PeakTech 4094 Digital Multimeter User Manual

PeakTech 4094
Digital Multimeter Programming Manual
www.peaktech.de

Introduction to the SCPI Language

Syntax Rules
SCPI language itself defines a group of sub-system keywords, and at the same time allows users to add or reduce keywords. Those keywords can be meaningful English words and are easy to remember, which are called mnemonics. Mnemonic has long and short types. The short is the abbreviation of the long. Use specific characters to separate keywords, data, and sentences.

Rule to format mnemonics

1. If the letter number of an English word is less than or equal to 4, then the word itself can be the mnemonic.(such as “Free” can be “FREE”);
2. If the letter number of an English word exceeds 4, then the first four letters will be mnemonic. (such as “Frequency” can be “FREQ”);
3. If the forth letter is a vowel, then the mnemonic uses the former three letters. Vowels consist of a, e, i, o, and u.(such as “Power” can be “POW”);
4. If it is not a word but a sentence, then use the first letters of the former words and the whole of the last word. (such as “Input Voltage “ can be “voltage”)

Usage of symbols

1. Space
   The space is used to separate commands and parameters.

2. Colon:
   If the colon is in front of the first character, it means the following is Root Command. When the colon is set between two keywords, then it means moving from the current level to the next level.

3. *asterisk
   The commands that start with an asterisk are named Common Command, which is used to execute IEEE488.2 common commands.

4. Braces{}
   The parameters enclosed in the braces are optional and are usually separated by the vertical bar “|”. When using this command, one of the parameters must be selected.

5. Vertical Bar |
   The vertical bar is used to separate multiple parameters and one of the parameters must be selected when using the command.

6. Triangle Brackets < >
   The parameter enclosed in the triangle brackets must be replaced by an effective value.

Parameter Type

1. Value
   The command required to use value type parameter. It’s compatible with all the common decimal display terms including optional symbols, decimal points, scientific notation and etc. Specific value such as MIN, MAX, and DEF is available. Voltage:{AC|DC}:RANGe {|MINimum|MAXimum}

2. Discrete
   The parameter should be one of the values listed. For example, TEMPerature:RTD:UNIT {C|F|K}

3. Integer
   Unless otherwise noted, the parameter can be any integer (NR1 format) within the effective value range. Note that, do not set the parameter to a decimal, otherwise errors will occur.

4. Bool
   The parameter could be “OFF”, “ON”, for example, TEMPerature:RTD:NULL {OFF|ON}

Command Abbreviation

Each SCPI command can be written mixed with uppercase and lowercase according to the syntax rules, and the capital letter part is just the abbreviation of the command. If the abbreviation is used, all the capital letters in the command must be written completely. For parameters with units, please refer to the detailed parameter specifications in the sub-system.

VOLTage:DC: RANGe
Abbreviation Below:
VOLT:DC: RANG

Third-party API
The SCPI protocol of this product adopts a USB port or LAN port for communication.
If you want to use the software of our company, after you open the software, click to enter remote control, then click the SCPI command on the remoter control interface to enable SCPI protocol and communicate through SCPI protocol.

IEEE488.2 Common Commands
*IDN
Return the ID character string of the instrument
Description
The query returns the ID character string of the instrument.
Return Format
PeakTech,,,X.XX.XX,{3} ：the model number of the instrument ：the serial number of the instrument X.XX.XX： the software version of the instrument.
Example*
PeakTech,P4094,1546011,V1.0.0,3
RST**
Restore the instrument to its default value.

SCPI Command-List

SENSe command subsystem
SenSe subsystem configuration. The basic SenSe command is [SENSe:]FUNCtion[1|2], which can choose the main display and sub-display measurement function. Function[1|2] to switch mode. Other SenSe commands only change specific mode parameters, and don’t change mode, for example VOLT:AC:RANGE: AUTO ON command will start AC voltage mode and auto-measure, but don’t switch to AC voltage mode.

[SENSe:]FUNCtion[1|2] Command format
[SENSe:]FUNCtion[2] “”
[SENSe:]FUNCtion[1|2]?
Function description
Select measure function, some functions can only be selected as the main display.
Parameter
[1|2] 1 for the main display, 2 for the sub-display. If leave out this parameter, the display defaults at 1 (main display).
The parameter for [SENSe:]FUNCtion[2] “”, that is, can only been used as sub display： Name| Type| Parameter| Measure Function
---|---|---|---
**** | **** discrete| FREQuency| Secondary display opening  frequency measurement
NONe| close sub-display

Return format
Use quotation to keep abbreviated selected return function, no available keyword.

For FUNCtion2? command, if not start dual display, then return NONe.

[SENSe:]TEMPerature:RTD: TYPe
Syntax
[SENSe:]TEMPerature:RTD:TYPe {}
[SENSe:]TEMPerature:RTD: TYPe?
Description
Select RTD type for temperature measurement.

Parameter

Return format
Return the query result by character.
[SENSe:]TEMPerature:RTD:UNIT
Syntax
[SENSe:]TEMPerature:RTD:UNIT {C|F|K}
Description
Select temperature unit for temperature measurement, optional for C (Celsius), F(Fahrenheit),
K(Kelvin).
Return format
Return the query result by character
[SENSe:]TEMPerature:RTD:SHOW
Syntax
[SENSe:]TEMPerature:RTD:SHOW {TEMP|MEAS|ALL}
Description
Select temperature measurement display mode, optional for TEMP (only display temperature), MEAS (only display measured value), ALL (display both temperature and measured value)
Return format
Return the query result by character
[SENSe:]CONT: THREshold
Syntax
[SENSe:]CONT:THREshold
Description
Sets the continuity threshold
CONFigure command subsystem
CONFigure sub-system is used to switch measure mode
Configure[:SCALar][:VOLTage]:{AC|DC}
Syntax
Configure[:SCALar][:VOLTage]:{AC|DC} [{|MINimum|MAXimum|DEF|AUTO}] Description
Restore all the measurement and trigger parameters to default, and process AC/DC voltage measurement. Then set the measuring range.
Parameter

500E-3(500mV), 5(5V), 50(50V), 500(500V), 1000(1000V)

CONFigure[:SCALar]:CURRent:{AC|DC}
Syntax
CONFigure[:SCALar]:CURRent:{AC|DC} [{|MINimum|MAXimum|DEF|AUTO}] Description
Restore all the measurement and trigger parameters to default, process AC/DC current measurement. Then set the measuring range.
Parameter

50E-3(50mV), 500E-3(500mV), 5(5V), 50(50V), 500(500V), 1000(1000V)

CONFigure[:SCALar]:{RESistance|FRESistance}
Syntax
CONFigure[:SCALar]:{RESistance|FRESistance} [{|MINimum|MAXimum|DEF|AUTO}] Description
Restore all the measurement and trigger parameters to default, process RESistance and
FRESistance measurement. Then set the measuring range.
Parameter

50E6(50MΩ), 500E6(500MΩ)

Note: the maximum range of four-wire resistance is 50KΩ.
CONFigure[:SCALar]:{FREQuency|PERiod}
Syntax
CONFigure[:SCALar]:{FREQuency|PERiod}
Description
Restore all the measurement and trigger parameters to default, process FREQuency/PERiod measurement.
CONFigure[:SCALar]:CAPacitance
Syntax
CONFigure[:SCALar]:CAPacitance [{|MINimum|MAXimum|DEF|AUTO}] Description
Restore all the measurement and trigger parameters to default, process capacitance measurement. Then set the scale.
Parameter

50E-9(50nF),500E-9(500nF),5E-6(5uF),50E-6(50uF),500E-6(500uF),5E-3(5mF), 50E-3(50mF)

CONFigure[:SCALar]:TEMPerature:RTD
Syntax
CONFigure[:SCALar]:TEMPerature:RTD [{}] Description
Restore all the measurement and trigger parameters to default, process temperature measurement. Then set the PT type.
Parameter

CONFigure[:SCALar]:DIODe
Syntax
CONFigure[:SCALar]:DIODe
Description
Restore all the measurement and trigger parameters to default, process diode measurement.
Parameter
CONFigure[:SCALar]:CONTinuity
Syntax
CONFigure[:SCALar]:CONTinuity
Description
Restore all the measurement and trigger parameters to default, process continuity test.
Parameter
CALCulate command Subsystem
CALCulate command is used to manage math functions (Sum up, db/dBm, relative value), and the Function command is used to switch math mode (from three modes). Average, DB, DBM, and NULL command is used to set corresponding function parameters, and won’t change the current math function.
Calculate:AVERage: ALL?
Syntax
CALCulate:AVERage: ALL?
Description
The query returns the minimum value, maximum value, average value, and count of all measurements taken since the statistics were last cleared.
Parameter
(none)
CALCulate:AVERage:AVERage?
Syntax
CALCulate:AVERage:AVERage?
Description
Query returns the average value of all measurements taken since the statistics were last
cleared.
Parameter
(none)
CALCulate:AVERage:MAXimum?
Syntax
CALCulate:AVERage:MAXimum?
Description
Query returns the maximum value of all measurements taken since the statistics were last cleared.
Parameter
(none)
CALCulate:AVERage:MINimum?
Syntax
CALCulate:AVERage:MINimum?
Description
Query returns the minimum value of all measurements taken since the statistics were last cleared.
Parameter
(none)
CALCulate:DB: REFerence|
Syntax
Calculate:DB:REFerence
CALCulate:DB: Reference?
Description
Set DB relative resistance.
Parameter

800, 900, 1000, 1200, 8000

CALCulate:DBM: REFerence
Syntax
Calculate:DBM: REFerence
CALCulate:DBM: REFerence?
Description
Set DBM relative resistance.
Parameter

800, 900, 1000, 1200, 8000

CALCulate: FUNCtion
Syntax
Calculate:FUNCtion {NULL|DB|DBM|AVERage}
CALCulate: FUNCtion?
Description
Set mathematic calculation as NULL, DB, DBM, AVERage.

CALCulate:NULL: OFFSet
Syntax
CALCulate:NULL:OFFSet {|MINimum|MAXimum}
CALCulate:NULL: OFFSet? [MINimum|MAXimum] Description
Set relative value.
Parameter

CALCulate: STATe
Syntax
CALCulate:STATe {OFF}
Description
Close MATH function
Parameter

SYSTem command Subsystem
SYSTem:BEEPer: STATe
Syntax
SYSTem:BEEPer:STATe {ON|OFF}
SYSTem:BEEPer: STATe?
Description
Start or close the buzzer
Parameter

Name| Type| Range|
---|---|---|---