gentec-EO U-LINK Single Channel Laser Power and Energy Meter User Manual
- June 3, 2024
- gentec-EO
Table of Contents
gentec-EO U-LINK Single Channel Laser Power and Energy Meter User Manual
U-LINK User Manual
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WARRANTY
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The Gentec-EO U-LINK Single Channel Laser Power/Energy Meter carries a one- year warranty (from date of shipment) against material and/or workmanship defects when used under normal operating conditions. The warranty does not cover recalibration, or damages related to misuse.
Gentec-EO will repair or replace at our option any U-LINK which proves to be defective during the warranty period, except in the case of product misuse.
Any attempt by an unauthorized person to alter or repair the product will void the warranty.
The manufacturer is not liable for consequential damages of any kind.
In the case of a malfunction, contact your local Gentec-EO distributor or the nearest Gentec-EO office to obtain a return authorization number. Return the material to the address below.
Contacting Gentec Electro-Optics Inc.
Gentec Electro-Optics, Inc. 445, St-Jean-Baptiste, Suite 160
Québec, QC Canada, G2E 5N7
Tel: 418-651-8003 Fax:
418-651-1174 E-mail: service@gentec-
eo.com Website: gentec-eo.com
CLAIMS
To obtain warranty service, contact your nearest Gentec-EO agent or send the
product, with a description of the problem, transportation and insurance
prepaid, to the nearest Gentec-EO agent. Gentec-EO Inc. assumes no risk for
the damage in transit. Gentec-EO Inc. will, at its option, repair or replace
the defective product free of charge or refund your purchase price. However,
if Gentec-EO Inc. determines that the failure is caused by misuse,
alterations, accident or abnormal condition of operation or handling, you will
be billed for the repair and the repaired product will be returned to you,
transportation prepaid.
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SAFETY INFORMATION
Do not use the U-LINK if the device or the detector looks damaged, or if you suspect that the U-LINK is not operating properly. Appropriate installation must be done for water-cooled and fan-cooled detectors. Refer to the specific instructions for more information. The user must wait for a while before handling these detectors after power is applied. Surfaces of the detectors get very hot and there is a risk of injury if they are not allowed to cool down.
Note:
This equipment has been tested and found to comply with the limits for a Class
A digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment
is operated in a commercial environment. This equipment generates, uses, and
can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is
likely to cause harmful interference in which case the user will be required
to correct the interference at his own expense.
Caution:
Changes or modifications not expressly approved in writing by Gentec Electro- Optics Inc. may void the user’s authority to operate this equipment.
SYMBOLS
The following international symbols are used in this manual:
Refer to the manual for specific Warning or Caution information to avoid any damage to the product.
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TABLE OF CONTENTS
1. U-LINK Single Channel Laser Power and Energy Meter …………………………….. 6 1.1.
Introduction……………………………………………………………………………………………. 6 1.2. Included with your
U-LINK……………………………………………………………………….. 6 1.3. Specifications
………………………………………………………………………………………… 7
1.3.1. External trigger timing requirements …………………………………………………………………………… 8
1.4. Connections ………………………………………………………………………………………….. 9
2. Operating Instructions …………………………………………………………………………… 13 2.1. Installing
the USB Driver ……………………………………………………………………….. 13 2.2. Quick Measurement
Procedure………………………………………………………………. 13
3. User Interface ……………………………………………………………………………………….. 14
4. Serial Communication …………………………………………………………………………… 15 4.1. Description
………………………………………………………………………………………….. 15 4.2. Setting up Communication to the
U-LINK…………………………………………………. 15
4.2.1. Verify the COM Port ……………………………………………………………………………………………….. 15 4.2.2.
Connect the U-LINK ……………………………………………………………………………………………….. 15
4.3. Serial Command Format ……………………………………………………………………….. 16 4.4. Binary Mode
output Format ……………………………………………………………………. 16 4.5. List of Serial Commands for
the U-LINK ………………………………………………….. 18 4.6. Detailed Description of the Serial
commands For U-LINK…………………………… 19
4.6.1. Display ………………………………………………………………………………………………………………….. 19 4.6.2. Data
Acquisition……………………………………………………………………………………………………… 23 4.6.3. Setup
……………………………………………………………………………………………………………………. 27 4.6.4. Control
………………………………………………………………………………………………………………….. 29 4.6.5. Instrument and
Detector Information…………………………………………………………………………. 36
4.7. Error Messages ……………………………………………………………………………………. 40
5. Declaration of Conformity ……………………………………………………………………… 41
6. UKCA DECLARATION OF CONFORMITY ………………………………………………… 43
Appendix A WEEE Directive………………………………………………………………………… 45
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Table of Figures
Figure 1 Valid External Trigger Window …………………………………………………………………………………………. 9
Figure 2 U-LINK USB Front Panel …………………………………………………………………………………………………. 9
Figure 3 U-LINK RS232 Front Panel ……………………………………………………………………………………………… 9
Figure 4 U-LINK USB and RS232 Rear Panel……………………………………………………………………………….. 10
Figure 5 USB Cable Wire Diagram ………………………………………………………………………………………………. 11
Figure 6 DB9: View looking into female connector on RS-232 U-LINK Cable
……………………………………. 12 Figure 7 Opening U-LINK for Recycling
Disposal…………………………………………………………………………… 45
Table of Tables
Table 1 Table of Specifications ……………………………………………………………………………………………………… 7
Table 2 Multi-Function Port Feature Availability
…………………………………………………………………………….. 10 Table 3 Multi-Function Port Cable
Assignment………………………………………………………………………………. 10 Table 4 RS-232 U-LINK Cable
Pinout ………………………………………………………………………………………….. 12 Table 5 U-LINK COM Port
Settings ……………………………………………………………………………………………… 15 Table 6 Serial
Commands…………………………………………………………………………………………………………… 18 Table 7 Measurement Scale
Indices…………………………………………………………………………………………….. 19 Table 8 STS Data Structure
………………………………………………………………………………………………………… 37 Table 9 ST2 Data Structure
………………………………………………………………………………………………………… 38 Table 10 Product Standards
……………………………………………………………………………………………………….. 41 Table 11 Performance Criteria
…………………………………………………………………………………………………….. 42 Table 12 Product Standards
……………………………………………………………………………………………………….. 43 Table 13 Performance Criteria
…………………………………………………………………………………………………….. 44
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1. U-LINK SINGLE CHANNEL LASER POWER AND ENERGY METER
1.1. INTRODUCTION
To obtain full performance from U-LINK, we recommend that you read this manual
carefully.
The U-LINK is a microprocessor-based power and energy interface that uses the latest technology to provide a multitude of options in a user-friendly environment. It is a complete power and energy PC interface, which can provide a statistical analysis of your measurements. Moreover, it can be updated over the Internet by connecting the USB or RS-232 port to a personal computer. The U-LINK USB and RS-232 versions have enhanced communication capabilities that take advantage of the USB or RS-232 port for data acquisition and remote control depending on the U-LINK version. It can transfer data to a PC for more sophisticated data analysis and respond to commands through the communication interface.
Easy software upgrade Keep in touch with the latest improvements to our user- friendly software. You can download the latest software version anytime from our website www.gentec-eo.com and install it on your PC.
1.2. INCLUDED WITH YOUR U-LINK
USB U-LINK USB USB-Mini Cable Calibration Certificate
RS232 U-LINK RS232 9V Power Supply (AC cable included) RS232 Cable Calibration Certificate
U-LINK USB is furnished with a 180 cm (6 foot) USB cable. U-LINK RS232 is furnished with a Multi-Function Port to DB9 Female adapter, Gentec-EO part number 100-201860 of 180 cm (6 foot) length.
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1.3. SPECIFICATIONS
The following specifications are based on a one-year calibration cycle, an
operating temperature of 18 to 28 (64 to 82) and a relative humidity not
exceeding 80%.
Table 1 Table of Specifications
U-LINK
USB
RS232
Compatible Heads
Power Meter Specifications
XLP series, HP series, UP series, PH series, UM series, THz-D series (New
DB-15)
Power Range
THz-B V2 Series 4 pW to 100 kW
Power Scales2 (PH series photodetectors)
Power Scales2 (UP, HP, XLP thermal detectors) Power Scales2 (UM-B series
pyroelectric detectors) Power Scales2 (THz-B series pyroelectric detectors)
Resolution (digital)
Monitor Accuracy
300 pW, 10nW, 30nW, 100nW, 300nW, 1µW, 3µW, 10µW, 30µW, 100µW, 300µW, 1mW,
3mW, 10mW, 30mW, 100mW,
300mW, 1W, 3W 300uW, 1mW, 3mW, 10mW, 30mW, 100mW, 300mW, 1W, 3W,
10W, 30W, 100W, 300W, 1kW, 3kW, 10kW, 30 kW, 100kW 100µW, 300µW, 1mW, 3mW,
10mW, 30mW, 100mW, 300mW
300nW,3µW,10µW,30µW,100µW, 300µW, 1mW, 3mW, 10mW, 30mW
Selected scale / 8388608 (power mode) Selected scale / 3754 (energy mode,
pyroelectric power mode
and fast power mode at 100Hz) ±0.5 % ±3 µV from 20% to full scale1
Response Time (accelerated)2 Data transfer rate4
Statistics Data Storage
Head dependent Accelerated: 1 second 15 Hz at 24-bit resolution 100 Hz at
12-bit (fast power mode) 10Hz at 12-bit (pyroelectric detectors)
10Hz (THz-B V2) 1 reading per pulse (energy mode) Current Value, Max., Min.,
Average, Std. Dev., RMS stability,
PTP stability. Continuous on PC hard drive
Compatible Heads
Energy Range Energy Scales2 (PE series photodetectors)
Energy Scales2 (QE, UP thermal detectors) Resolution (Digital)3 Accuracy3
Default Trigger Level Software Trigger Level Data Transfer Rate4
Frequency Measurement
Energy Meter Specifications
QE series, UP and XLP in energy mode, PE series, Calorimeters 2 fJ to 30 kJ
300fJ, 1 pJ, 3 pJ, 10 pJ, 30 pJ, 300pJ, 1 nJ, 3 nJ, 10 nJ, 30 nJ, 100nJ,
300nJ, 1 uJ, 3 uJ,10uJ, 30uJ, 100µJ, 300µJ, 1mJ, 3mJ,
10mJ, 30mJ 10uJ, 300uJ, 3mJ, 10mJ, 30mJ, 100mJ, 300mJ, 1J, 3J, 10J,
30J, 100J, 300J, 1kJ, 3kJ, 10kJ, 30kJ Selected scale / 3754
1.0% ±50 µV < 500 Hz 2.0% ±50 µV 500 Hz to 10 kHz
2%
0.1% to 99%, 0.1% resolution
10kHz maximum
1kHz maximum
2.5kHz ASCII Mode
500Hz ASCII Mode
0.1 to 1000 Hz: 2% ±0.1Hz
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1000 to 10000 Hz: 5% ±1Hz
Statistics Data Storage
Current Value, Max., Min., Average, Std. Dev., RMS stability, PTP stability,
Number of Pulses, Repetition Rate, Avg. Power
Continuous on PC hard drive
PC Software Specifications
Display Rate Data Displays
3 Hz numeric display 3 Hz bar graph display and needle display
3 Hz in Real time mode 15 Hz in graph modes Real-Time, Scope, Averaging,
Statistics, Digital Tuning Needle,
Histogram, Setup
General Specifications
User Input Correction Factors
1 multiplier and 1 offset (7-digit floating point)
Analog Output
0 2.0 Volt user defined, full scale, ±1% of measurement, ±5mV
External Trigger External Trigger Pulse Width
3.3V up to 12V DC signal Non-isolated 1µs minimum
External
Trigger
Requirements
Internet Upgrades
Timing
USB
See below
RS-232
PC Serial Commands
USB
RS-232
Dimensions (without stand)
91 (L) x 57 (W) x 26 max (H) mm
Weight
101g
105g
Power Supply
USB 5V 150mA
9-12 VDC 200mA
Specifications are subject to change without notice
1 Voltage bias can introduce an error into low power measurements with low sensitivity detectors. It is essential to use the Zero Offset to re-zero the U-Link before making a measurement in these conditions. It is always good practice to use the Zero Offset. 2 Varies with detector head. 3 Including linearity.
4 This is PC dependent. The host PC must be fast enough to receive and process incoming data. Recommended: Intel Duo Core processor with a 2.4GHz clock speed or better.
1.3.1. External trigger timing requirements
The beginning of the external trigger signal must arrive in a time window
relative to the beginning of the laser pulse. This window begins 20% of the
rise-time before the laser pulse and ends one rise-time after the beginning of
the pulse minus the minimum trigger pulse width. Example for QE12LP-H-MB
Detector Head: The following value is found in the Detector Head user manual.
Signal rise-time = 550 sec 20% of rise-time = 550 X 20% = 110 sec Rise-time
minus minimum trigger pulse width = 550 1 = 549 sec Therefore, the
acceptable window for the beginning of the external trigger pulse is from 110
sec before the laser pulse begins to 549 sec after the laser pulse begins.
Incorrect energy measurements may result if the trigger pulse arrives outside
of this window.
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Figure 1 Valid External Trigger Window
1.4. CONNECTIONS
Figure 2 U-LINK USB Front Panel
Figure 3 U-LINK RS232 Front Panel
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Figure 4 U-LINK USB and RS232 Rear Panel USB COMMUNICATION AND POWER The U-LINK USB allows remote control and data transfer between the U-LINK and a computer that has a USB communication port. The U-LINK is also powered via this port on the USB model.
MULTI-FUNCTION PORT
The features available on this port vary depending on U-LINK model.
Table 2 Multi-Function Port Feature Availability
USB
Analog Output RS232
AVAILABLE NOT AVAILABLE
Trigger Input
AVAILABLE
Sync Output
AVAILABLE
RS232
AVAILABLE
AVAILABLE NOT AVAILABLE NOT AVAILABLE
This connector is a Micro-USB AB receptacle. To create your own adapter cable, a standard Micro-USB A or Micro-USB B connector can be used. If the cable conforms to the USB specification, use the table below:
Table 3 Multi-Function Port Cable Assignment
Analog Output Trigger Input / RS232 RX Sync Output / RS232 TX
Ground
USB Wire Colour
Red
Green
White
Black and Shield
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Figure 5 USB Cable Wire Diagram
ANALOG OUTPUT
For monitoring laser average power or energy by using external equipment such as a chart recorder, a computer with an analog interface, a voltmeter, etc. Use this port with Gentec-EO Part Number 100-201958 Analog Out Cable for this feature.
The output signal represents a DC analog voltage proportional to the amplified and anticipated power detector response in the case of a power measurement. In the case of an energy measurement, the output signal is a DC voltage representing the pulse energy value.
The user must enter the maximum output voltage and the maximum power/energy scale in the PC-GentecEO software or via serial commands. The measured power or energy is then scaled to the output voltage and to the selected range according to the following equation:
Voutput = ( Measurement × Max Output Voltage ) / Max Analog Out Range For example, with a 10 W max analog range and 2.0V max output voltage:
2.0 V corresponds to 10 W 1.0 V corresponds to 5 W
Another useful example: To set the analog output so that 1V corresponds to a measurement of 56W, with a maximum output voltage of 2V, the Max Analog Out Range must be set to 112W according to the following equation:
Max Analog Out Range = 56 × 2.0 = 112
Specifications on the analog output:
Maximum output voltage: Connector type: Full-scale accuracy:
2.0 V Female BNC 1% of measured value
The analog output should be used with a high-impedance load.
RS232
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The U-LINK RS-232 allows remote control and data transfer between the U-LINK and a computer, a terminal, or any device that has a serial communication port. Replacement RS232 adapter cables can be ordered using the Gentec-EO Part Number 201860. Do not use an RS232 adapter with a U-LINK USB.
Table 4 RS-232 U-LINK Cable Pinout Pin Number 1 2 3 4 5 6 7 8 9
Signal No Connection TX RX No Connection Signal GND Do Not Connect (Reserved) No Connection No Connection No Connection
TX: Data transmitted from the U-LINK (output) RX: Serial commands received by the U-LINK (input)
Figure 6 DB9: View looking into female connector on RS-232 U-LINK Cable
TRIGGER INPUT The U-LINK USB allows connection to an external trigger input
for energy measurements. Use Gentec-EO Part Number 201956, which has a Male
BNC connector, for this input. Refer to section 1.3.1. External trigger timing
requirements for timing requirements. SYNC OUTPUT The U-LINK USB can trigger
another U-LINK USB via its Sync Output. Use Gentec-EO Part Number 205117 and a
BNC cable to connect two U-LINKs together. The U-LINK with the Sync Output
enabled must be in Self-Triggered Energy Mode. When it detects an energy
pulse, it will send a signal via its Sync Output connection to the other
U-LINK in External Triggered Energy Mode, starting a measurement on the other
U-LINK. The Sync Output signal should only be connected to the External
Trigger Input of another GentecEO U-Link energy monitor.
EXTERNAL POWER SUPPLY INPUT JACK
Input voltage required: 9-12 VDC/200 mA. Note: The external power supply input
is provided only for the U-LINK with the RS-232 Serial Connection Option.
Permanent damage may occur to the device if an external power supply other
than the GENTEC-EO 200130, 200960, SPU15A-105 or SPU15A-104 is used. Please
call GENTEC-EO or your local distributor if extra power supplies are needed
for a particular setup.
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DETECTOR HEAD INPUT JACK
The U-LINK uses a DB-15 female connector to mate with the detector heads
(probes). The U-LINK works with all Gentec-EO power and energy detectors that
have this DB-15 connector, except certain, older THz-D models with an
incompatible DB-15 head. It automatically recognizes every power or energy
detector head, which ensures accurate auto-calibration. More importantly, it
can take advantage of our Personal wavelength correctionTM. It reads the
memory in the Smart Interface connector (version 5 and higher) to provide a
wavelength correction that is based on spectral data measured from that
specific detector. The U-LINK may not recognize some of the earlier heads.
This DB-15 connector, though similar to that of the former TPM-310 and TPM-330
monitors, is incompatible with the power detector heads of PS-310 Series
Version 1 and PS-330 Series Version 1. These heads used a different technology
and do not have the same pin-out configuration.
The GENTEC C-300 adaptor can be used in order to connect the power detector
heads of PS-310 Series and PS-330 Series Version 1 and 2. Please contact your
local Gentec-EO distributor or the nearest GentecEO office for further
information. Any attempt to modify connectors of the early version heads to
mate with the U-LINK can result in damage to the device. Note the U-LINK RS232
model does not support THz-B V2 Series detectors due to the chopper
synchronization signal required for these detectors.
2. OPERATING INSTRUCTIONS
First, install the PC-Gentec-EO software on your computer, along with the USB
drivers. Please find the latest version on our website (www.gentec-eo.com) in
the Downloads section. The software will list the attached Gentec-EO devices
available to connect. As soon as you are connected, you are ready to adjust
the settings (please refer to the PC-Gentec-EO manual).
2.1. INSTALLING THE USB DRIVER
Plug the U-LINK into a USB port on the PC. If the PC supports USB 1.1, Windows
detects the new device and prompts you for the software drivers. A window will
open that says “Found New Hardware USB Device” and after a few moments, the
“Found New Hardware Wizard” will appear. The USB drivers are available on our
website (www.gentec-eo.com) in the Downloads section At the end of this
process, a new serial COM port will be added to the list of communication
ports. It may be used as any other serial port. The COM port will then be
listed in the PC-Gentec-EO software. Verify COM Port To verify the USB
installation and find the COM port number, open the device manager and scroll
down to Ports (COM & LPT) and double click that line. One of the options
should be:
USB-to-Serial Port (COM#) Note the COM port number, you will need it for the
next step.
2.2. QUICK MEASUREMENT PROCEDURE
This section will show you how to make a laser power or energy measurement
with U-LINK and a GentecEO power or energy detector.
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U-LINK automatically recognizes all the Gentec-EO power heads and energy heads
of version 5 or higher. All customized technical data required for optimum
operation of the detector will be automatically downloaded from the EEPROM in
the DB-15 connector. These data include all the necessary head parameters such
as sensitivity, model, serial number, version, wavelength correction factors,
time response and others. U-LINK doesn’t support energy detectors before
version 5.
Quick power and energy measurement procedure: 1. Install the PC-Gentec-EO
software on your PC. Also install the U-LINK drivers. 2. Install the power or
energy detector head on its optical stand. 3. First, slide the connector latch
to the right to unlock the connector. 4. Connect a compatible power or energy
detector head to the U-LINK using the PROBE INPUT JACK (see previous
Connections section). The U-LINK allows hot-swapping between heads. 5. Slide
the latch to the left to lock the connector into place. 6. Connect U-LINK to
your computer via USB. 7. Start the PC-Gentec-EO software. Click the Connect
button in the top left corner and select your U-LINK from the list of devices
that appear. 8. Power heads will default to power measurement; energy heads
will default to energy measurement. The display will default to a dual display
in real time and scope in auto range mode. Remove the head’s protective cover
and start the laser. 9. Put the detector head into the laser beam path. Leave
it there for a few minutes, until the detector has reached an equilibrium
temperature. The entire laser beam must be within the sensor aperture. Do not
exceed maximum specified densities, energies or powers. For the most accurate
measurement, spread the beam across 60% to 80% of the sensor area.
Power heads can be used with both CW and pulsed lasers. Energy heads can only
be used with pulsed lasers.
Adjusting the zero (step 10-A for power heads and 10-B for photodiode heads)
10. The power read by the U-LINK when no laser beam is incident on the
detector may not be exactly zero. For power measurements, this is because the
detector is not thermally stabilized and/or there is a heat source in the
field of view of the detector. For photodiode measures, zeroing will remove
the detector’s offset. a. Block off laser radiation to the detector. To reset
the zero, wait until the reading has stabilized and click Zero in the toolbar
ribbon. The zero will be taken for all scales in AutoScale mode or for the
current scale if you have selected a scale. b. If you have connected a
photodiode to U-LINK, you must cover the diode. Click Zero in the toolbar
ribbon and the zero offset will be taken for all scales.
Notes: · Refer to specific power detector documentation for complete
installation and operating instructions. · Power detectors are thermal sensors
and are thus sensitive to temperature variations. · For high-precision
measurements, it is recommended to: o Allow the power detector temperature to
stabilize before zeroing. o Touch only the stand when handling the power
detector. Do not touch the detector head. o Do not zero energy detectors, such
as the QE series. o Avoid forced airflow or drafts around the detector. 11.
Apply the laser beam to the detector head. 12. The laser beam average power or
energy can be displayed in several ways for your convenience: a. Digitally for
real time measurements; b. On a scope graph to evaluate the laser’s variations
in time; c. On a digitally produced analog display using a needle for easy
visualization of the laser beam power variation during laser fine-tuning; d.
Averaged over a certain number of measurements; e. Complete statistical
results over a certain period of time.
3. USER INTERFACE
Please refer to the PC-Gentec-EO manual for more information concerning the
user interface. The manual can be downloaded on our website at https://www
.gentec-eo.com/resources/download-center.
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4. SERIAL COMMUNICATION
4.1. DESCRIPTION
The U-LINK has two main communication modes: binary mode for fast data
acquisition and ASCII mode for human-readable output. Both modes require text
input commands which must follow rules stated in this section.
The USB class used by U-LINK USB is a CDC, or Communications Device Class.
This means it shows up in the host PC as a COM port, but it is not a COM port,
rather a true full speed USB port. You can talk to it as if it were an RS232
port, and take advantage of faster speeds offered by USB. Follow the Windows
prompts to install the USB drivers. The USB drivers are fully tested and
digitally signed by Microsoft.
Open the appropriate port in your software with standard COM port tools. None
of the port settings matter since they are irrelevant, so leave them at
whatever default they are in. It’s a real USB connection. The U-LINK RS232
features a typical RS232 port and port settings do have an effect. Be sure to
use the correct settings, indicated later in this section.
4.2. SETTING UP COMMUNICATION TO THE U-LINK
4.2.1. Verify the COM Port
To verify the USB installation and find the COM port number, click:
Start Settings Control Panel System Device Manager Scroll down to Ports (COM &
LPT) and double click that line. One of the options should be
USB Serial Device (COM#) Note the COM port number, you will need it for the
next step.
4.2.2. Connect the U-LINK
You may use any serial communications software that you are familiar with. Our
instructions are for HyperTerminal because it is widely available on PCs with
Windows. The installation of HyperTerminal will not be covered in this manual.
Start HyperTerminal.
To save communication settings, enter a name for the connection. In the drop-
down menu for “Connect using” select the COM port that the USB driver was
installed on (Section 4.2.1). Select OK.
Input the following settings into the communications parameter window that
appears next.
Table 5 U-LINK COM Port Settings
Bits per second Data bits Parity Stop bits
Flow control
USB
Any setting will work Any setting will work Any setting will work Any setting
will work Any setting will work
RS232
115200 8
None 1
None
Click OK to begin entering serial commands in the HyperTerminal window. The commands you type will not appear in the HyperTerminal window unless you set up the HyperTerminal to do so. Only the response from the U-LINK will be displayed. If you prefer to see the commands you are typing on the HyperTerminal window click the File menu and execute the following sequence:
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File Properties Settings ASCII setup “Echo typed characters locally” OK In the
HyperTerminal window, type VER. If the response is the version of your
U-LINK, you are successfully connected and ready for serial command action. In
some cases, the U-LINK has connection problems that can be solved by adding a
character delay. To adjust this delay, click the File menu and execute the
following sequence:
File Properties Settings ASCII setup “Character delay”: add a few milliseconds
of delay OK When you end the session, HyperTerminal asks if you want to save
your settings. To avoid inputting the communication parameters again in the
future, save by clicking Yes. The next time you execute the string of
commands, the name of your session will appear after HyperTerminal. Clicking
on the session name will open the connection using the saved settings. To
avoid re-entering the string of commands, put a shortcut to this file on your
desktop: search for the file name, select the file. Right click and select
Shortcut in the drop-down menu.
4.3. SERIAL COMMAND FORMAT
Commands are sent as text strings. The response will either be data or an
empty string. All text commands must begin with a trigger character (). You
do not need to end with a line-feed and/or a carriage-return. Parameters must
NOT be separated by spaces. Characters do not have to be capitalized; mixed
upper and lower cases are ok. Replies to all text mode commands are also in
text mode, and end with a carriage-return and a line-feed. In case of an
error, the reply string is one of the following:
“Command Error. Command not recognized.” or “Command Error. Command must start
with ‘'” Because all Text Mode replies end with a carriage return
4.4. BINARY MODE OUTPUT FORMAT
The U-LINK’s resolution is 12-bit for Joulemeter mode. To keep compatibility
with other Gentec-EO monitors, a 14-bit value is sent, but the two LSB of the
low byte are non-significant. Only the Joulemeters support the binary mode.
Thermopiles in energy mode, thermal heads in standard mode and Photo Detectors
output only in ASCII. By default, the Joulemeters are in ASCII mode. To turn
on the binary mode, send the command
Examples to Decode Binary Commands
Decoding CAU or CVU If you send CAU, U-LINK will send continuous data with
2 bytes per pulse. If you send CVU, U-LINK will send the current measurement
with 2 bytes per pulse.
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Bit 7 of each byte is the Order Bit, and the rest is the binary data. If the Order Bit is 0, the byte is the high byte (MSB). If the Order Bit is 1, the byte is the low byte (LSB). You must then mask out the Order Bit, shift the MSB, add the two bytes, and apply scaling. See example below.
The 2 bytes are decoded as follows: High byte: 0XXX XXXX in binary 0 indicates this is the High byte and X is the upper binary data. If the measurement is over-range, this byte is 0xFE.
Low byte: 1XXX XXYY in binary 1 indicates this is the Low byte, X is the lower binary data and Y is non-significant data. Y will always be 0 for measurement data. If the measurement is over-range, this byte is 0x7F.
Example 1: Using CAU or CVU U-LINK is measuring 151 mJ in a 300mJ scale. The
data sent by U-LINK will be: 0x40B4
Decode this as follows. 1. Look at bit 7 of each byte to determine the high
and low bytes. 2. Keep bits 0 to 6 of each byte (logical AND with 0x7F). 3.
Shift the high byte left by 7 bits (multiply by 128 as a 16-bit value). 4. Add
the high and low bytes (logical 16-bit OR) 5. Switching to floating-point,
divide the result by the full-scale value, 16382. 6. Multiply the result by
the set scale, 300mJ.
The two data bytes are 0x40 and 0xB4. In binary they are: 0100 0000 and 1011
0100. The order bit is 0 for the high byte and 1 for the low byte. The high
byte is therefore 0x40, and the low byte is 0xB4. The data is the lower 7 bits
of each byte, or high byte of 0x40 and low byte of 0x34. Shifting the high
byte by 7 results in 0x40 × 128 = 0x2000. Adding this value to the low byte
results in 0x2034, or 8244 in decimal. Dividing by the full-scale value “300
mJ / 16382”, we get: ( 8244 / 16382 ) × 300mJ = 151mJ.
If the value of these bytes is 0xFE7F, an out-of-scale condition exists.
Decoding CEU or CTU If you send CEU or CTU U-LINK will send data with 9
bytes per pulse.
The 9 bytes are decoded as follows: Byte 8 Always 0x02, which is ASCII STX.
Lets the host know this is the start of data. Byte 7 The scale index, OR’d
with 0x80. This is done so that it can never be the STX or ETX byte. If the
scale was set to 29, then this byte would be hex (29) = 0x1D. OR this with
0x80 and the value sent is 0x9D. Byte 6 The upper 7 data bits of the energy,
OR’d with 0x80. If the pulse is over range, this byte is 0xFE. Byte 5 The
lower 7 data bits of the energy, OR’d with 0x80. If the pulse is over range,
this byte is 0x7F. Byte 4 The upper 7 bits of the pulse period timer OR’d with
0x80. (28 bits total) Byte 3 The next 7 bits of the pulse period timer OR’d
with 0x80. (28 bits total) Byte 2 The next 7 bits of the pulse period timer
OR’d with 0x80. (28 bits total) Byte 1 The lower 7 bits of the pulse period
timer OR’d with 0x80. (28 bits total) Byte 0 Always 0x03, which is ASCII ETX.
Lets the host know this is the end of data.
Example 2: Using CEU and CTU U-LINK is measuring 151 mJ in a 300 mJ scale.
The pulse frequency is 20 Hz. The data sent by U-LINK will be:
0x0297A0B681DBDAFC03.
Decode this as follows. 1. The valid data is between the 0x20 (Start of Text)
and 0x03 (End of Text) codes. 2. Valid data is 0x97A0B681DBDAFC 3. The first
byte is the scale, OR’d with 0x80 4. The second and third bytes are the data,
each OR’d with 0x80. 5. The remaining 4 bytes are the pulse period counts,
each OR’d with 0x80
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The scale byte is 0x97. Mask off bit 7 results in 0x17, or 23 in decimal. Refer to the scale table in the serial commands section. Scale number 23 is 300mJ. The energy data bytes are 0xA0B6. If these bytes are 0xFE7F, an out of scale condition exists. If no out of scale condition exits, mask off bit 7 of each byte, then follow steps 3 to 6 of the procedure to decode *CAU readings.
The pulse period bytes are 0x81DBDAFC. Mask off bit 7 of each byte, shift and
OR the bytes in order resulting in a 28-bit value, in this case 0x36ED7C, or
3599740 in decimal. The period timer is based on a 72 MHz clock, so the period
is found as:
3599740 counts / 72×10^6 counts per second = 49.9s The pulse frequency will be
1 / 49.9s = 20Hz.
4.5. LIST OF SERIAL COMMANDS FOR THE U-LINK
Note: U-LINK also supports M-LINK and T-RAD legacy commands for software
compatibility. Please refer to the user manuals for those products for a list
of legacy serial commands. Also note that the detector heads compatible with
T-RAD cannot be used on the U-LINK. Only Version 2 THZ-B Series heads can be
used with U-LINK. Any attempt to modify a detector head, cable, or monitor, or
use of a modified detector with a monitor, will void the warranty.
Table 6 Serial Commands
Command Command Name
DISPLAY SCS SSU SSD GCR SAS GAS DVS STL GTL GMD
Set Scale Set Scale Up Set Scale Down Get Current Scale Index Set Auto-scale Get Auto-scale Display Valid Scale Set Trigger Level Get Trigger Level Get Measure Mode Display
DATA ACQUISITION
*CVU
Query Current Value
*CAU
Send Continuous Transmission
of Data
*CEU
Send Continuous Value with
Frequency
*CTU
Send Current Value with
Frequency
*CSU
Stop the CAU Command
*NVU
Query New Value Ready
*GRR
Get Laser Frequency
*SS1
Set Joulemeter Data Mode
*GBM
Get Joulemeter Data Mode
*TIM
Set moving average window
*QTM
Query moving average window
SETUP
*PWC
Set Personal Wavelength
Correction in nm
*PWM
Set Personal Wavelength
Correction in microns
*GWL
Get Wavelength
CONTROL ANT GAN
Set Anticipation Get Anticipation Status
Description
Manually sets the scale and disables auto-scale selection Changes scale to the
next higher scale Changes scale to the next lower scale Returns the current
scale index (between 0 and 41) Enables the auto-selection of most appropriate
scale Returns auto-scale status Displays the valid scales for the connected
head Sets the internal trigger level for pulse energy Returns trigger level
value Returns the current measure mode of the monitor
Gets the value currently in ASCII or binary Sends the values in ASCII or
binary to the serial port with the data sampling setting Sends continuous
value with frequency in ASCII or binary
Sends current value with frequency in ASCII or binary
Stops the CAU or CEU output Determine if new reading is available or not
Sends the laser rep rate frequency in ASCII Sets the joulemeter data mode:
Binary or ASCII Returns the joulemeter data mode: Binary or ASCII Set time
window of moving average for power measurements Returns time window of
averaging for power measurements
Specifies the wavelength in nm
Specifies the wavelength in microns (for THZ heads only)
Returns the wavelength in nm
Turns the anticipation on or off Returns the anticipation status
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AVG SOU COU GZO SDZ MUL *GUM
Noise Suppression Set Zero Offset Clear Zero Offset Get Zero Offset Set Diode Zero Offset Set User Multiplier Get User Multiplier
Applies the noise suppression algorithm Zeroes the reading Undoes the zeroing of the reading for a power detector Returns the zero-offset status Zeroes the reading for all the scales for a photo detector Sets the multiplier value Returns the current multiplier value
OFF GUO SSE GSE ATT GAT ET POL SYN AOB SFS TAU *AOD
Set User Offset Get User Offset Set Single Shot Energy Mode Query single shot energy Set Attenuator Get Attenuator External Trigger Set external trigger polarity Set sync output mode Set analog output scale Set analog output voltage Set LIA time constant Set analog output dwell time
Sets the offset value Returns the current offset value Sets the Single Shot Energy mode Returns if SSE mode is enabled Sets the attenuator Returns the attenuator status Activates or deactivates the external trigger Sets the polarity of the external trigger input Activates or deactivates the sync output for energy heads Sets the analog output maximum scale in Joules or Watts Sets the analog output voltage maximum in Volts Sets the LIA time constant for THz-B detectors Sets the length of the analog output pulse
INSTRUMENT AND DETECTOR INFORMATION
*BPS
Change baud rate
Sets the baud rate for RS-232
*VER
Query Version
Gets firmware version of the monitor
*STS
Query Status
Retrieves the detector information and monitor settings
*ST2
Query Extended Status
Returns the extended status table
*GSV
Query firmware version
Returns firmware version number
*IDN
Query instrument ID
Returns monitor type
*MLK
Set M-LINK command mode
Allows compatibility with M-LINK commands
All text commands must begin with a trigger character (*) and do not require a line-feed or a carriage-return. All parameters must NOT have a space between the command and the list of parameters, nor between the parameters themselves. The characters do not have to be uppercase and mixed case is OK. Replies to all text mode commands are also in text mode, and end with a carriage-return and line-feed.
4.6. DETAILED DESCRIPTION OF THE SERIAL COMMANDS FOR U-LINK
4.6.1. Display
*SCS – Set Scale
This command is used to force the display of the current data into a specific
scale. The minimum value of each scale is always zero. The maximum value of
each scale can be found in the table below. The parameter must be one of the
identifiers in the table below and have 2 digits. Sending this command will
disable the Auto-Scale function if it is enabled.
Command SCS
Parameters Range index
Answer None
Table 7 Measurement Scale Indices
Index
Value
00
1 picowatt or picojoule
01
3 picowatts or picojoules
02
10 picowatts or picojoules
03
30 picowatts or picojoules
04
100 picowatts or picojoules
05
300 picowatts or picojoules
Index
21 22 23 24 25 26
Value
30 milliwatts or millijoules 100 milliwatts or millijoules 300 milliwatts or
millijoules 1 watt or joule 3 watts or joules 10 watts or joules
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1 nanowatt or nanojoule
27
07
3 nanowatts or nanojoules
28
08
10 nanowatts or nanojoules
29
09
30 nanowatts or nanojoules
30
10
100 nanowatts or nanojoules
31
11
300 nanowatts or nanojoules
32
12
1 microwatt or microjoule
33
13
3 microwatts or microjoules
34
14
10 microwatts or microjoules
35
15
30 microwatts or microjoules
36
16
100 microwatts or microjoules
37
17
300 microwatts or microjoules
38
18
1 milliwatt or millijoule
39
19
3 milliwatts or millijoules
40
20
10 milliwatts or millijoules
41
Default: Auto-scale selection
20
30 watts or joules 100 watts or joules 300 watts or joules 1 kilowatt or
kilojoule 3 kilowatts or kilojoules 10 kilowatts or kilojoules 30 kilowatts or
kilojoules 100 kilowatts or kilojoules 300 kilowatts or kilojoules 1 megawatt
or megajoule 3 megawatts or megajoules 10 megawatts or megajoules 30 megawatts
or megajoules 100 megawatts or megajoules 300 megawatts or megajoules
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Example The following example sets the scale to 3 nanowatts or nanojoules:
Command: *SCS07
Answer:
*SSU – Set Scale Up This command is used to force the display of the current data into the next higher scale.
Command SSU
Parameters None
Answer None
*SSD – Set Scale Down This command is used to force the display of the current data into the next lower scale.
Command SSD
Parameters None
Answer None
*GCR – Get Current Scale Index This command returns the scale index between 0 and 41. Please refer to Set Scale command (SCS) details for the complete scale index table.
Command GCR
Parameters None
Answer Index from 0 to 41
Command: *GCR
Example Answer:
Range: 10
*SAS – Set Auto-Scale This command is used to force the display into auto-scale.
Command SAS
Default: 1 (On)
Parameters
1: On 0: Off
Answer None
*GAS – Get Auto-Scale This command returns whether or not the auto-scale option is activated.
Command GAS
Parameters None
Answer
1: On 0: Off
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Command: *GAS
Example Answer:
AutoScale: 1
*DVS – Display Valid Scale This command is used to display all of the valid scales the connected head supports. The scales are displayed alongside their scale index. Please refer to the Set Scale section for the list of scales.
Command DVS
Parameters None
Answer The list of valid scales
The following example is for a UP19K, which can have the following scales: 100 mW 300 mW 1W 3W 10 W 30 W 100 W
Command: *DVS
Example Answer:
[22]: 100.0 m
*STL – Set Trigger Level This command sets the internal software trigger level when using the device in energy mode.
Command STL
Parameters
Answer
Trigger Level (in percentage) None must be 4 characters
Default: 2%
The value should be set between 0.1 and 99.9.
Command: STL15.4 (15.4%) STL00.2 (0.2%)
Example Answer:
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*GTL – Get Trigger Level
This command returns the trigger level in %. The value is between 0.1% and
99.9%. This is for joulemeters and watt-meters in Energy mode only.
Command GTL
Parameters None
Answer Returns the trigger level in %.
Command: *GTL
Example Answer: Trigger Level: 2.0
*GMD Get Measure Mode Display This command returns the current measurement mode. Depending on the head, it can be Power Mode in W, Energy Mode in J or Single Shot Energy Mode in J (SSE).
Command GMD
Parameters None
Answer
POWER = 0 ENERGY = 1 SSE = 2
Command: *GMD
Example Answer:
Mode: 0
4.6.2. Data Acquisition
*CVU – Query Current Value This command is used to query the value that is currently being displayed by the monitor. The value is displayed in watts or in joules. For joulemeters, the data can also be in binary format (refer to section 4.4).
If you send this command with an energy detector attached but before a trigger event has occurred, it will return “No New Data Available”
Command CVU
Parameters None
Answer
Data in ASCII (Scientific notation) or in binary format
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Examples
For example, a 506.601W reading and a -12.25631mW reading would be displayed like this:
Command: CVU Command: CVU
Answer: Answer:
+5.066010e+02
*CAU – Send Continuous Transmission of Data This command is used to send data to the serial port according to the data sampling setting. For Joulemeters, the data can also be in binary format (refer to section 4.4)
Command CAU
Parameters None
Answer
Data in ASCII (Scientific notation) or in binary format
Examples For example, with a wattmeter, a reading around 500 milliwatts would
be displayed like this
until the command *CSU is sent:
Command: *CAU
Answer:
+5.066010e-01
With a joulemeter, a reading around 500 millijoules would be displayed like this until the command *CSU is sent:
Command: *CAU
Answer:
+5.066010e-01
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*CEU – Send Continuous Values with Frequency U-LINK will send continuous energy data and the pulse repetition rate in Hz. They are comma separated. This is for joulemeters only. For joulemeters, the data can also be in binary format (refer to section 4.4)
Command CEU
Parameters None
Answer
Continuous value with pulse repetition rate in Hz in ASCII (Scientific
notation) or binary format
Example This example is for a 32 Hz laser:
Command: *CEU
Answer:
+5.066010e-01,32.0
*CTU – Send Current Value with Frequency U-LINK will send the current measurement and the pulse repetition rate in Hz. They are comma separated. This is for joulemeters only. For joulemeters, the data can also be in binary format (refer to section 4.4)
Command CTU
Parameters None
Answer
Current value with pulse repetition rate in Hz in ASCII (Scientific notation)
or binary format
Command: *CTU
Example This example is for a 32 Hz laser:
Answer: +5.066010e-01,32.0
*CSU – Stop the CAU or CEU Command This command is used to stop the real time transfer enabled by the CAUand CEU commands.
Command CSU
Parameters None
Answer None
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*NVU Query New Value Ready
This command is used to check whether a new value is available from the
device. Though optional, its use is recommended when used with single pulse
operation This is for joulemeters only.
Command NVU
Parameters None
Answer
New Data Available or New Data Not Available
Command: *NVU
Example Answer: New Data Not Available
*GRR – Get Laser Frequency
This command is used to get the laser frequency. This is for joulemeters only.
Command GRR
Parameters None
Answer Data in ASCII
*SS1 – Set Binary Joulemeter Mode
This command is used to set the monitor in binary or ASCII mode. This is for
joulemeters only.
Command SS1
Parameters
0= ASCII 1= Binary
Answer None
Command: *SS11
Example Answer:
*GBM – Get Binary Joulemeter Mode
This command returns whether or not the binary joulemeter mode is activated
for serial communication. This is for joulemeters only.
Command GBM
Parameters None
Answer
1: On 0: Off
Example
U-LINK User Manual Command: *GBM
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Answer: Binary Joulemeter Mode: 0
*TIM Set Moving Average Window This command will set the window for the moving average calculation. This moving average is applied as a smoothing factor to all power measurements. The window value is in seconds.
Command TIM
Parameters Window length in seconds
Default: The default value is 0.2 seconds.
Answer None
Example The following example sets the window length to 2.5 seconds.
Command: *TIM2.50
Answer:
*QTM Query Moving Average Window This command will return the moving average window time in seconds.
Command QTM
Default: 0.2 Seconds
Parameters None
Answer Window length in seconds
Command: *QTM
4.6.3. Setup
Example Answer: 0.2
*PWC – Set Personal Wavelength Correction in nm This command is used to specify the wavelength in nm being used on the detector. The EEPROM in the detector contains measured spectral data for a wide range of wavelengths. A valid value is set between the lowest and highest wavelengths supported by the device, and it should not be a floating-point value. The input parameter must have 5 digits. If the desired wavelength does not have 5 digits you must enter a zeropadded number. For example, to set the wavelength at 514 nm, you must enter 00514. Specifying zero as a wavelength or providing an out-of-bound value as a parameter has no effect.
Command PWC
Parameters Wavelength nm
Answer None
Default: Calibration wavelength, (typically 1064 nm, varies with the detector model)
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Example The following example sets the wavelength to 1550 nm.
Command: *PWC01550
Answer:
*PWM – Set Personal Wavelength Correction in microns
This command is used to specify the wavelength in microns for THZ detectors
only. The EEPROM in the detector contains measured spectral data for a wide
range of wavelengths. A valid value is set between the lowest and highest
wavelengths supported by the device. The input parameter must have 5 digits
and can be a floating-point value. If the desired wavelength does not have 5
digits you must enter a zero-padded number. For example, to set the wavelength
at 10.6 micron, you must enter 010.6. Please note that the resolution is
limited as follow:
Wavelength Range
Less than 100 µm Greater than 99.99 µm or less than 1000 µm Greater than
999.9um
Resolution limit
10 nm 100 nm
1 µm
Specifying zero as a wavelength or providing an out-of-bound value as a parameter has no effect.
Command PWM
Parameters Wavelength µm
Answer None
Default: Calibration wavelength, (typically 1064 nm, varies with the detector model)
Example The following example sets the wavelength to 25 microns (25000 nm).
Command: *PWM025.0
Answer:
*GWL – Get Wavelength This command returns the wavelength in nm.
Command GWL
Parameters None
Answer Returns the wavelength in nm
Command: *GWL
Example Answer:
PWC: 1064
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4.6.4. Control
*ANT – Set Anticipation
This command is used to enable or disable the anticipation processing when the
device is reading from a wattmeter. The anticipation is a software-based
acceleration algorithm that provides faster readings using the detector’s
calibration.
Command ANT
Default: On
Parameters
1: On 0: Off
Answer None
Example The following example sets the anticipation On.
Command: *ANT1
Answer:
*GAN – Get Anticipation Status This command returns the anticipation status. If the anticipation is not available, it will always be at “off”.
Command GAN
Parameters None
Answer
1: On 0: Off
Command: *GAN
Example Answer:
Anticipation: 0
*AVG – Noise Suppression Averaging
Sets the sampling size of the noise suppression. For pyroelectric detectors
and UM detectors only.
The joulemeter mode has a special proprietary algorithm that can lower the
noise-induced error when reading low energy levels, or energy readings of any
level with noise present. This feature greatly reduces the effect of noise on
the peak-to-peak measurement in joulemeter mode. The monitor will need to
measure the number of pulses selected in the Sampling Size before the
algorithm will settle to the noise suppressed value. Once the readings have
stabilized, any subsequent reading will be stable until the Sampling Size is
changed. The system will then stabilize to the new value. Larger sampling
sizes will result in more noise suppression. Noise suppression works best with
the external trigger. This function will greatly improve the accuracy of the
lowest scale or in any scale when used in a noisy environment.
The parameter must consist of exactly 3 digits.
Command AVG
Parameters
Answer
Number of samples to include Ok. in the moving average
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Example The following example sets the sampling size to 16 pulses.
Command: *AVG016
Answer: Ok.
SOU – Set Zero Offset This command subtracts the current value from all future measurements the moment the command is issued to set a new zero point. This command does not work with photodiodes. Please refer to SDZ.
Command SOU
Parameters None
Answer Autoscale:
Please Wait… Done!
Fixed scale: None
Command: *SOU
Example (when in Auto-Scale)
Answer:
Please Wait…
*COU – Clear Zero Offset This command undoes the zero offset command to set the zero point at zero.
Command COU
Parameters None
Answer None
*GZO – Get Zero Offset This command returns whether the zero offset has been activated or not.
Command GZO
Parameters None
Answer
1: On 0: Off
Command: *GZO
Example Answer:
Zero: 0
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SDZ – Set Diode Zero Offset This command subtracts the current value for all available scales from all future measurements the moment the command is issued to set a new zero point. This is for photodiodes only. Please refer to SOU for other detectors.
Command SDZ
Parameters None
Answer Autoscale:
Please Wait… Done!
Fixed scale: None
Command: *SDZ
Example (when in Auto-Scale)
Answer:
Please Wait…
*MUL – Set User Multiplier This command is used to set the value of the user-specified multiplier.
Command MUL
Default: 1
Parameters 8-character numerical value
Answer None
Example The following example sets multiplier = 33
Command: MUL00000033 Or MUL3.3000e1
Answer:
*GUM – Get User Multiplier This command returns the multiplier value.
Command GUM
Parameters None
Answer Current multiplier value
Command: *GUM
Example Answer: User Multiplier: 1.0000000E+00
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*OFF – Set User Offset This command is used to set the value of the user-specified offset.
Command OFF
Default: 0
Parameters 8-character numerical value
Answer None
Example The following example sets the offset to 1.5 milliwatts or 1.5 millijoules.
Command: OFF0.001500 or OFF1.500e-3
Answer:
The other option available is the zero offset. The zero offset operation is done first, before the User Multiplier and User Offset are added to the calculation.
*GUO – Get User Offset This command returns the offset value.
Command GUO
Parameters None
Answer Current offset value
Command: *GUO
Example Answer: User Offset: 1.5000000E-03
*SSE – Set Single Shot Energy Mode This command is used to toggle to Single Shot Energy Mode when using a wattmeter. It is recommended to wait at least 2 seconds after this command before sending another command, to avoid communication problems.
Command SSE
Default: Off
Parameters
1: On 0: Off
Answer None
*GSE Query single shot energy This command returns whether or not a wattmeter is in Single Shot Energy Mode.
Command GSE
Parameters None
Answer SSE: 0
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or SSE: 1
*ATT – Set Attenuator This command is used to adjust the processing of the monitor with the readings of the head, depending on whether the head is using an external attenuator or not.
Command ATT
Default: Off
Parameters
1: On 0: Off
Answer None
Example The following example sets the attenuator On, this means that the attenuator in on the detector:
Command: *ATT1
Answer:
*GAT – Get Attenuator This command returns the attenuator status. If the attenuator is not available, it will always be off.
Command GAT
Parameters None
Answer
1: On 0: Off
Command: *GAT
Example Answer:
Attenuator: 0
*ET External Trigger Activates or deactivates the external trigger for monitors which have an external trigger option.
Command ET
Parameters
1: On 0: Off
Answer None
Command: *ET1
Example Answer:
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*POL Set External Trigger Polarity Sets the external trigger polarity to either a rising edge or falling edge.
Command POL
Default: 1 (Falling Edge)
Parameters
0: Rising edge 1: Falling edge
Answer None
Command: *POL0
Example Answer:
*SYN Enable / Disable Sync Output Enables or disables the Sync Output feature. If this feature is enabled, the Sync Output Cable, Gentec-EO part number 100-205117 can be used along with a second U-LINK and External Trigger Cable 100-201956 to synchronize the two monitors.
Command SYN
Parameters
1: On 0: Off
Answer None
Command: *SYN1
Example Answer:
*AOB Set Analog Output Scale Watts / Joules Sets the output scale of the Analog Output feature. The value entered is the maximum value of the analog output in Watts or Joules. Please see the Analog Output portion of the Connections section of this manual for more information. The value entered must be entered in scientific notation as the below example and must contain exactly eight characters.
Command AOB
Default: 1.00 W/J
Parameters Analog Scale W/J
Answer None
Example The following example sets the analog output scale to 5 Watts/Joules.
Command: *AOB5.00E+00
Answer:
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*SFS Set Analog Output Voltage Range Sets the output range of the Analog Output feature. The value entered is the maximum value of the analog output in Volts. Please see the Analog Output portion of the Connections section of this manual for more information. The value entered must be entered in scientific notation as the below example and must contain exactly eight characters.
Command SFS
Default: 2.70 Volts
Parameters Analog Scale Volts
Answer None
Example The following example sets the analog output scale to 2 Volts.
Command: *SFS.00E+00
Answer:
*TAU Set Lock-In Amplifier Time Constant Sets the value of the Lock-In Amplifier time constant used for THz Series B V2 heads that require the use of the Lock-In Amplifier. The value is in seconds and must be entered in the same format as the below example, using exactly five characters.
Command TAU
Default: 1 second
Parameters LIA Time Constant Seconds
Answer None
Example The following example sets the LIA time constant to one quarter second or 10 seconds.
Command: TAU0.250 or TAU10.00
Answer:
*AOD Set Analog Output Dwell Time Sets the amount of time in seconds the analog output will remain active after a successful energy measurement before returning to zero. If the value entered is zero, the analog signal will not return to zero and will continue to output the last conversion value. The value entered must be entered in scientific notation as the below example and must contain exactly eight characters.
Command AOD
Parameters Analog Output Dwell Time
Default: 0 (do not return to zero)
Answer None
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Example The following example sets the analog output dwell time to 2 seconds.
Command: *AOD2.00E+00
Answer:
4.6.5. Instrument and Detector Information
*BPS – Change baud rate for RS-232 This command is used to default baud rate of the RS-232 model. This will permanently change the baud rate and save it in the monitor’s flash memory. If you want to change it back, you will have to send the command again at the new baud rate. If you want to update the monitor’s firmware, you will have to change the baud rate to 115200.
Command BPS
Default: 4 (115200 bps)
Parameters
0 1 2 3 4
9600 19200 38400 57600 115200
Answer ACK: (New Baud Rate)
Example
Command: *BPS0
Answer: ACK: 9600
*VER – Query Version This command is used to query the device to get information about the firmware version and the device type.
Command VER
Parameters None
Answer Version and device type
Example
Command: *VER
Answer: U-Link Version 1.00.00
*STS – Query Status This command is used to query the device to get information about the following characteristics:
Measure Mode Maximum, minimum and current scale
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Maximum, minimum and current wavelength with and without attenuation Attenuator availability and status Detector model Detector serial number
Command STS
Parameters None
Answer
A hexadecimal structure described in the table below.
The first byte represents the validity of the structure: 0 represents a valid line while 1 is the end of the structure. The next 4 bytes represent the address line and the last 4 bytes are the actual value. The values are written on 32 bits, which means that all the values are written on two lines. The first line represents the LSB and the second line represents the MSB.
The following table shows the output with an XLP12-3S-H2-INT-D0 (s/n 199672)
Table 8 STS Data Structure
Hexadecimal Structure
Valid
Address Value
:0
0000
0003
:0
0001
0000
:0
0002
0003
:0
0003
0000
:0
0004
0000
:0
0005
0000
:0
0006
0015
:0
0007
0000
:0
0008
0019
:0
0009
0000
:0
000A
0011
:0
000B
0000
:0
000C
0428
:0
000D
0000
:0
000E
2968
:0
000F
0000
:0
0010
00C1
:0
0011
0000
:0
0012
0001
:0
0013
0000
:0
0014
0000
:0
0015
0000
:0
0016
2968
:0
0017
0000
:0
0018
00C1
:0
0019
0000
:0
001A
4C 58
:0
001B
31 50
:0
001C
2D 32
:0
001D
53 33
:0
001E
48 2D
:0
001F
2D 32
:0
0020
30 44
:0
0021
0000
:0
0022
0000
:0
0023
0000
:0
0024
0000
:0
0025
40 03
:0
0026
00 1A
:0
0027
00 00
Converted
Value
3 0 3 0 0 0 21 0 25 0 17 0 1064 0 10600 0 193 0 1 0 0 0 10600 0 193 0 X L P 1
2 3 S – H 2 D 0
Definition
Reserved Reserved Reserved Reserved Measure Mode LSB Measure Mode MSB Current
scale LSB (refer to scale index SCS) Current scale MSB (refer to scale index
SCS) Maximum scale LSB (refer to scale index SCS) Maximum scale MSB (refer
to scale index SCS) Minimum scale LSB (refer to scale index SCS) Minimum
scale MSB (refer to scale index SCS) Current wavelength LSB (nm) Current
wavelength MSB (nm) Maximum wavelength LSB (nm) Maximum wavelength MSB (nm)
Minimum wavelength LSB (nm) Minimum wavelength MSB (nm) Is Attenuator
available LSB (1= yes 0 = no) Is Attenuator available MSB (1= yes 0 = no) Is
Attenuator on LSB (1= yes 0 = no) Is Attenuator on MSB (1= yes 0 = no) Maximum
wavelength with attenuation LSB (nm) Maximum wavelength with attenuation MSB
(nm) Minimum wavelength with attenuation LSB (nm) Minimum wavelength with
attenuation MSB (nm) Detector name (You must convert the hexadecimal values in
ASCII characters)
0000 = Null termination character The rest of the characters aren’t valid
until line 002A
@
U-LINK User Manual
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:0
0028
E1 20
á
:0
0029
00 3A
:
:0
002A
39 31
1 9
:0
002B
36 39
9 6
:0
002C
32 37
7 2
:0
002D
00 00
:1
0000
00 00
Detector serial number (You must convert the hexadecimal values in ASCII
characters)
0000 = Null termination character End of structure
*ST2 – Query Extended Status
This command is used to query the device to get information about the following characteristics:
Measure Mode Maximum, minimum and current scale Maximum, minimum and current wavelength with and without attenuation Attenuator availability and status Detector model Detector serial number Trigger level (0.001 to 0.999) Auto- scale mode Anticipation mode Zero offset mode User multiplier User offset
Command ST2
Parameters None
Answer
A hexadecimal structure described in the table below.
The first byte represents the validity of the structure: 0 represents a valid line while 1 is the end of the structure. The next 4 bytes represent the address line and the last 4 bytes are the actual value. The values are written on 32 bits, which means that all the values are written on two lines. The first line represents the LSB and the second line represents the MSB.
The following table shows the output with an XLP12-3S-H2-INT-D0 (s/n 199672)
Table 9 ST2 Data Structure
Hexadecimal Structure
Valid
Address Value
:0
0000
0003
:0
0001
0000
:0
0002
0003
:0
0003
0000
:0
0004
0000
:0
0005
0000
:0
0006
0011
:0
0007
0000
:0
0008
0019
:0
0009
0000
:0
000A
0011
:0
000B
0000
:0
000C
0428
:0
000D
0000
:0
000E
2968
:0
000F
0000
:0
0010
00C1
:0
0011
0000
:0
0012
0001
:0
0013
0000
Converted
Value
3 0 3 0 0 0 17 0 25 0 17 0 1064 0 10600 0 193 0 1 0
Definition
Reserved Reserved Reserved Reserved Measure Mode LSB Measure Mode MSB Current
scale LSB (refer to scale index SCS) Current scale MSB (refer to scale index
SCS) Maximum scale LSB (refer to scale index SCS) Maximum scale MSB (refer
to scale index SCS) Minimum scale LSB (refer to scale index SCS) Minimum
scale MSB (refer to scale index SCS) Current wavelength LSB (nm) Current
wavelength MSB (nm) Maximum wavelength LSB (nm) Maximum wavelength MSB (nm)
Minimum wavelength LSB (nm) Minimum wavelength MSB (nm) Is Attenuator
available LSB (1= yes 0 = no) Is Attenuator available MSB (1= yes 0 = no)
U-LINK User Manual
:0
0014
:0
0015
:0
0016
:0
0017
:0
0018
:0
0019
:0
001A
:0
001B
:0
001C
:0
001D
:0
001E
:0
001F
:0
0020
:0
0021
:0
0022
:0
0023
:0
0024
:0
0025
:0
0026
:0
0027
:0
0028
:0
0029
:0
002A
:0
002B
:0
002C
:0
002D
:0
002E
:0
002F
:0
0030
:0
0031
:0
0032
:0
0033
:0
0034
:0
0035
:0
0036
:0
0037
:0
0038
:0
0039
:1
0000
0000 0000 2968 0000 00C1 0000 4C 58 31 50 2D 32 53 33 48 2D 2D 32 30 44 0000 0000 0000 1F 00 40 03 00 1A 0000 E1 20 00 3A 39 31 36 39 32 37 0000 D70A 3CA3 0001 0000 0000 0000 0000 0000 0000 3F80 0000 0000 0000
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0 0 10600 0 193 0 X L P 1 2 3 S – H 2 D 0
Is Attenuator on LSB (1= yes 0 = no) Is Attenuator on MSB (1= yes 0 = no)
Maximum wavelength with attenuation LSB (nm) Maximum wavelength with
attenuation MSB (nm) Minimum wavelength with attenuation LSB (nm) Minimum
wavelength with attenuation MSB (nm) Detector name (You must convert the
hexadecimal values in ASCII characters)
0000 = Null termination character The rest of the characters aren’t valid
until line 002A
@
Á : 1 9 9 6 7 2
0.0200
1 0 0 0 0 0 1.0000
0.0000
0
Detector name (You must convert the hexadecimal values in ASCII characters)
0000 = Null termination character Trigger Level LSB (between 0.001 and 0.999)
Trigger Level MSB (between 0.001 and 0.999) Is auto-scale mode on? LSB Is
auto-scale mode on? MSB Is anticipation on? LSB Is anticipation on? MSB Is
zero offset on? LSB Is zero offset on? MSB Correction Multiplier LSB
Correction Multiplier MSB Correction Offset LSB Correction Offset MSB End of
structure
*GSV Return firmware version
Returns the version number of the firmware installed in the U-Link.
Command
Parameters
GSV
None
Answer Version number
Command: GSV IDN Query instrument ID
Example Answer: 1.00.00
U-LINK User Manual
Returns the name of the device. Command IDN
Revision 1.5
Parameters None
40
Answer Device name
Command: *IDN
Example Answer: U-Link
*MLK Set M-LINK compatibility mode
Allows the U-LINK to respond to legacy M-LINK commands. Please refer to the
M-LINK manual for more details. Once activated, the U-LINK will stay in this
mode, even after being unplugged.
The M-LINK SQL command will not function.
Command MLK
Parameters
1: On 0: Off
Answer None
Command: *MLK1
Example Answer:
4.7. ERROR MESSAGES
Error Command Error. Command not recognized. Command Error. Command must start
with ‘*’
Detector not present
Comment
Command is invalid. All text commands must begin with a trig character (*).
Detector head must be attached to execute this command.
U-LINK User Manual
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5. DECLARATION OF CONFORMITY
Application of Council Directive(s): 2014/30/EU The EMC Directive
Manufacturer’s Name: Manufacturer’s Address:
Gentec Electro Optics, Inc. 445 St-Jean Baptiste, suite 160 (Québec), Canada G2E 5N7
European Representative Name: Representative’s Address:
Laser Components S.A.S. 45 bis Route des Gardes 92190 Meudon (France)
Type of Equipment: Model No.: Year of test & manufacture:
Laser Power/Energy Meter U-LINK 2018
Standard(s) to which Conformity is declared: EN61326-1 (2013) Radiated Emissions Heavy Industrial Standard EN61326-1 (2013) Conducted Emissions Heavy Industrial Standard EN61326-1 (2013) Power Line Harmonics Heavy Industrial Standard (RS232 Version) EN61326-1 (2013) Power Line Voltage Fluctuation & Flicker Standard (RS232 Version)
Table 10 Product Standards
Product Standard
Test Standard
EN 61326-1_Ed2:2013 EN55011:2017 Class A /
(IEC 61326-1_Ed2:2012) CISPR 11Ed6.1:2016 Class
Heavy Industrial
A
EN 61326-1_Ed2:2013 EN55011:2017 Class A /
(IEC 61326-1_Ed2:2012) CISPR 11Ed6.1:2016 Class
Heavy Industrial
A
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-3-2:2014 (IEC61000-3-2:2014)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-33:2013(IEC61000-3-3:2013)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-2:2008 61000-4-2:2008Ed.2)
(IEC
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-
3:2006+A1:2008+A2:2010
(IEC
61000-4-
3:2006+A1:2007+A2:2010)
EN 61326-1_Ed2:2013 EN61000-4-
(IEC 61326-1_Ed2:2012) 4:2004+A1:2010(IEC 61000-
Heavy Industrial
4-4:2004+A1:2010)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-5:2006(IEC 61000-4-5:2005)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-6:2009(IEC 61000-4-6:2008Ed.3)
Description
Radiated Emissions
Conducted Emissions
Power Line Harmonics
Power Line Voltage Fluctuation & Flicker Electrostatic Discharge Immunity ±4
kV contact discharge ±8 kV air discharge RF Field Immunity 10 V/m, 80 to 1000
MHz 3 V/m, 1.4 to 2 GHz 1 V/m, 2 to 2.7 GHz Electrical Fast Transient/Burst
(EFT) Immunity 2 kV Peak Electrical Slow Transient (Surge) Immunity 0.5 kV
peak – differential mode 1 kV peak – common mode RF Conducted Immunity 3 Vrms,
150 kHz to 80 MHz
Performance Criteria Pass Pass Pass Pass Criteria B
Criteria A
Criteria B Criteria B Criteria A
U-LINK User Manual
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42
Product Standard
Test Standard
EN 61326-1_Ed2:2013 EN61000-4-
(IEC 61326-1_Ed2:2012) 11:2004(IEC61000-4-
Heavy Industrial
11:2004Ed.2)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) IEC 61000-4-8:2010 Heavy Industrial
Description
Voltage Interruption Immunity 100% dip, 20 mS – Perf. B 30% dip, 500 mS –
Perf. C 60 % dip, 200 mS – Perf. C 100% dip, 5 Sec – Perf. C
Magnetic Field Immunity 30 A/m, 50/60 Hz
Performance Criteria
As shown Criteria A
Table 11 Performance Criteria Performance Criteria
Description
Criteria A
The DUT does not have any noticeable deviations in its performance before, during or after the application of the EMC test. If a range of performance is specified as normal operation, the DUT did not have any readings outside of this range before, during or after the application of the EMC test.
Criteria B
The DUT does not have any deviations of performance before or after the
application of the EMC test, but during the application a deviation is noted
that is not considered normal operation. When the EMC test is paused or
completed the DUT recovered on its own and did not require any user
intervention to return it to normal operation.
If a range of performance is specified as normal operation, the DUT’s
performance was outside of this range during the application of the test, but
recovered on its own and operated within its normal range after the
application of the EMC test.
No permanent damage occurred to the DUT or any AE as a result of the
disturbance.
Criteria C
The DUT was operating normally before the application of the EMC test, but during the application, the DUT stopped operating normally, and did not recover after the application of the EMC test until an operator intervened. This includes but is not limited to: – Power cycling the DUT, – Restarting the exercising software on the DUT, and – Unplugging and re-plugging the DUT or any AE The act of “recovering” the DUT must be something that could be accomplished by the customer with little training. No permanent damage occurred to the DUT or any AE as a result of the disturbance.
Additional Criteria
No incorrect data recorded while logging:
U-Link with Thermal Detector XLP12-3S-H2-DO measuring 420mJ ± 5mJ U-Link
with Optical Detector PH100-SI-HA-DO measuring 100W ± 1W U-Link with Energy
Detector QE65-LP-S-MV-DO measuring 100W ± 1W
I, the undersigned, hereby declare that the equipment specified above conforms
to the above Directive(s) and Standard(s).
Place: Québec (Québec) Date: November 14, 2018
(President)
U-LINK User Manual
Revision 1.5
43
6. UKCA DECLARATION OF CONFORMITY
Application of Council Directive(s): 2014/30/EU The EMC Directive
Manufacturer’s Name: Manufacturer’s Address:
Gentec Electro Optics, Inc. 445 St-Jean Baptiste, suite 160 (Québec), Canada G2E 5N7
European Representative Name: Representative’s Address:
Laser Components S.A.S. 45 bis Route des Gardes 92190 Meudon (France)
Type of Equipment: Model No.: Year of test & manufacture:
Laser Power/Energy Meter U-LINK 2018
Standard(s) to which Conformity is declared: EN61326-1 (2013) Radiated Emissions Heavy Industrial Standard EN61326-1 (2013) Conducted Emissions Heavy Industrial Standard EN61326-1 (2013) Power Line Harmonics Heavy Industrial Standard (RS232 Version) EN61326-1 (2013) Power Line Voltage Fluctuation & Flicker Standard (RS232 Version)
Table 12 Product Standards
Product Standard
Test Standard
EN 61326-1_Ed2:2013 EN55011:2017 Class A /
(IEC 61326-1_Ed2:2012) CISPR 11Ed6.1:2016 Class
Heavy Industrial
A
EN 61326-1_Ed2:2013 EN55011:2017 Class A /
(IEC 61326-1_Ed2:2012) CISPR 11Ed6.1:2016 Class
Heavy Industrial
A
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-3-2:2014 (IEC61000-3-2:2014)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-33:2013(IEC61000-3-3:2013)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-2:2008 61000-4-2:2008Ed.2)
(IEC
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-
3:2006+A1:2008+A2:2010
(IEC
61000-4-
3:2006+A1:2007+A2:2010)
EN 61326-1_Ed2:2013 EN61000-4-
(IEC 61326-1_Ed2:2012) 4:2004+A1:2010(IEC 61000-
Heavy Industrial
4-4:2004+A1:2010)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-5:2006(IEC 61000-4-5:2005)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) Heavy Industrial
EN61000-4-6:2009(IEC 61000-4-6:2008Ed.3)
Description
Radiated Emissions
Conducted Emissions
Power Line Harmonics
Power Line Voltage Fluctuation & Flicker Electrostatic Discharge Immunity ±4
kV contact discharge ±8 kV air discharge RF Field Immunity 10 V/m, 80 to 1000
MHz 3 V/m, 1.4 to 2 GHz 1 V/m, 2 to 2.7 GHz Electrical Fast Transient/Burst
(EFT) Immunity 2 kV Peak Electrical Slow Transient (Surge) Immunity 0.5 kV
peak – differential mode 1 kV peak – common mode RF Conducted Immunity 3 Vrms,
150 kHz to 80 MHz
Performance Criteria Pass Pass Pass Pass Criteria B
Criteria A
Criteria B Criteria B Criteria A
U-LINK User Manual
Revision 1.5
44
Product Standard
Test Standard
EN 61326-1_Ed2:2013 EN61000-4-
(IEC 61326-1_Ed2:2012) 11:2004(IEC61000-4-
Heavy Industrial
11:2004Ed.2)
EN 61326-1_Ed2:2013 (IEC 61326-1_Ed2:2012) IEC 61000-4-8:2010 Heavy Industrial
Description
Voltage Interruption Immunity 100% dip, 20 mS – Perf. B 30% dip, 500 mS –
Perf. C 60 % dip, 200 mS – Perf. C 100% dip, 5 Sec – Perf. C
Magnetic Field Immunity 30 A/m, 50/60 Hz
Performance Criteria
As shown Criteria A
Table 13 Performance Criteria Performance Criteria
Description
Criteria A
The DUT does not have any noticeable deviations in its performance before, during or after the application of the EMC test. If a range of performance is specified as normal operation, the DUT did not have any readings outside of this range before, during or after the application of the EMC test.
Criteria B
The DUT does not have any deviations of performance before or after the
application of the EMC test, but during the application a deviation is noted
that is not considered normal operation. When the EMC test is paused or
completed the DUT recovered on its own and did not require any user
intervention to return it to normal operation.
If a range of performance is specified as normal operation, the DUT’s
performance was outside of this range during the application of the test, but
recovered on its own and operated within its normal range after the
application of the EMC test. No permanent damage occurred to the DUT or any AE
as a result of the disturbance.
Criteria C
The DUT was operating normally before the application of the EMC test, but
during the application, the DUT stopped operating normally, and did not
recover after the application of the EMC test until an operator intervened.
This includes but is not limited to: – Power cycling the DUT, – Restarting the
exercising software on the DUT, and – Unplugging and re-plugging the DUT or
any AE
The act of “recovering” the DUT must be something that could be accomplished
by the customer with little training. No permanent damage occurred to the DUT
or any AE as a result of the disturbance.
Additional Criteria
No incorrect data recorded while logging:
U-Link with Thermal Detector XLP12-3S-H2-DO measuring 420mJ ± 5mJ U-Link
with Optical Detector PH100-SI-HA-DO measuring 100W ± 1W U-Link with Energy
Detector QE65-LP-S-MV-DO measuring 100W ± 1W
I, the undersigned, hereby declare that the equipment specified above conforms
to the above Directive(s) and Standard(s).
Place: Québec (Québec) Date: December 02, 2021
(President)
U-LINK User Manual
Revision 1.5
45
APPENDIX A WEEE DIRECTIVE
Recycling and separation procedure for WEEE directive 2002/96/EC
This section is used by the recycling center when the monitor reaches its end
of life. Breaking the calibration seal or opening the device will void the
U-LINK’s warranty. The complete device contains:
1 Interface device 1 Power supply (RS-232 model power supply not made by
Gentec-EO) 1 USB cable (USB model) 1 Calibration certificate
Separation
Paper: Manual and certificate Plastic: Device side enclosure Wires: USB cable
and power supply plug Printed circuit board: Inside the device Aluminum:
Device enclosure
Opening the Device
Figure 7 Opening U-LINK for Recycling Disposal
References
- eo.com
- Laser power, laser energy and terahertz power measurement systems - Gentec-EO
- Laser power, laser energy and terahertz power measurement systems - Gentec-EO
- Laser power, laser energy and terahertz power measurement systems - Gentec-EO
- Laser power, laser energy and terahertz power measurement systems - Gentec-EO
- Download center - Gentec-EO
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