eyc-tech DPM04 Flow Totalizer User Manual

: June 13, 2024
: eyc-tech

eyc-tech DPM04 Flow Totalizer

eyc-tech DPM04 Flow Totalizer

Security Considerations

Please read this Specification carefully, prior to use of this, and keep the manual properly,
for timely reference.
Solemn Statement：
This product can not be used for any explosion-proof area.
Do not use this product in a situation where human life may be affected.
eyc-tech will not bear any responsibility for the results produced by the operators！

Warning!

Installation and wiring must be performed by qualified personnel in accordance with all applicable safety standards.
This product must be operated under the operating conditions specified in manual to prevent equipment damages.
Please using the product under the ordinary pressure, or it will influence safe problem.
This product must be operated under the operating condition specified in this manual to prevent equipment damages.
This product must be operated under the normally atmospheric condition to prevent equipment damages.
To prevent products damage, always disconnect the power supply from the product before performing any wiring and installation.
All wiring must comply with local codes of indoor wiring and electrical installation rules.
Please use crimp type terminal.
To prevent personal injury, do not touch the moving part of product in operation.
It may cause high humidity atmosphere during the product was breakdown. Please take safety strategy.

Dimension

Dimension
Installation Dimension

Connection

Installation

Configuration Software

Application Program Introduction

User may download the configuration software on eyc-tech web site. Please decompress the application prior to execute it. Operating System requirements:
above Windows 7 SP1. Other application program requirements: above Microsoft Office 2003. Hardware requirements: USB to RS-485 converter.

Establish RS-485 connection

Connect product to PC via RS-485 converter
Execute configuration software
Click “Interface > Config”
Select the corresponding values of com port as following :
a. Port: Please confirm the connection com port first
b. Baud Rate (DPM04 default 9600)
c. Data Frame (device default None Parity Check, 8 data bits, 1 stop bit)
d. Response Timeout (default 300ms)
e. Retry, trial cycles if communication error (default 2 times)
f. Station ID (default 1)
Click “Apply”
Connect successfully
a. Show value and trend chart of the measurement
b. Show value and tread chart of device mcu temperature
c. Show “Open Port, Read successful”

Scan RS-485 connection

※Use scan function to connect when forgetting the connection information or having more facilities.

Connect the product to PC via RS-485 converter
Execute configuration software
Click “Interface > Config”
Select the corresponding values of com port as fallowing
Click “Scan” to execute connection facilities
Scan connection facilities and set up
a. Select Station ID
b. Click “CLOSE AND EXPORT”
Click “Apply”
Connect successfully
a. Show value and trend chart of the measurement
b. Show value and tread chart of device mcu temperature
c. Show “Open Port, Read successful

Setting RS-485 ModBus Protocol

Setting RS-485 connection as step 5.1
Click “Setting” tab
Select Modbus Protocol parameter
a. Station ID：1~247
b. Baud Rate：9600, 19200, 38400, 57600, 115200
c. Data Frame：None-8Bit-1Stop, None-8Bit-2Stop, Even-8Bit-1Stop,
Even-8Bit-2Stop, Odd-8Bit-1Stop, Odd-8Bit-1Stop

Measurement Programming

Click the “Configuration” tab, the configuration divide by 4 sub groups as following.

1. Input function, this function could be found in “Input” tab
a. Input type, current, voltage, frequency, pulse or modbus
b. Number of input rate decimal places, up to 4
c. Low point of input span
d. High point of input span
e. volume unit of input rate
f. period unit of input rate
g. Analog input range (valid when the input selects current)
h. Analog input range (valid when the input selects voltage)
i. Low point of frequency input (valid when the input selects frequency)
j. High point of frequency input (valid when the input selects frequency)
k. value of pulse input (valid when the input selects pulse)
l. unit of pulse input (valid when the input selects pulse) The following input is valid when 485 is selected
m. Modbus protocol type, master or slaver
n. station ID
o. Baud rate (valid when the input selects the master node)
p. Parity check
q. Stop bit
r. Register address
s. Register data type
t. Data format, data word high and low exchange
u. Numerical magnification
The flow totalizer setting items
v. Number of decimal places
w. volume unit
x. duct profile area (valid when velocity to volume conversion)
y. flow coefficient (valid when velocity to volume conversion)
Output function, this function could be found in “Output” tab
a. output type, current or voltage
b. analog output range (valid when the output selects current)
c. analog output range (valid when the output selects voltage)
d. low point of output span
e. high point of output span
f. error reaction, force current output if error detected. Select None if function disable. (valid when the output selects current)
g. linear correction, Off if disable, Interpolation if linear interpolation, Square Root if root extraction
h. output cut-off, disable if set 0
i. response time, e.g. set 3.0 if take 3.0 seconds for rise time T90
Relay function, this function could be found in “Relay” tab
a. driven signal source, rate or totalizer
b. set point
c. action mode, HI.AL if upscale active, LO.AL if downscale active
d. hysteresis
e. alarm, NONE if disable, HOLD if memory and hold the first alarm until reboot, Action if active when alarm assert, Deaction if inactive when alarm assert
f. relay on delay time (seconds)
g. relay off delay time (seconds)
The other items could be found in “Option” tab
a. LED brightness, 0 darkest, 9 brightest
b. password validation, NO if disable, YES is enable
c. new password
d. pause counter of volume accumulation
e. reset factory default (without counter of totalizer)

Linearity Computation

Click the Interpolation tab to specify the linear interpolation points

a. interpolation table
b. interpolation curve
c. Interpolate input column, device measured value (raw value)
d. Interpolate output column, device output value (standard value or correction value)
e. Read the interpolation table of the device
f. Clear the interpolation table on configuration software. Note: this action will not modify the interpolation table of the device
g. apply, the interpolation would be written in device

Export and Import Configuration

Click the Setting tab to export and import device configuration

a. summary text of device configuration
b. read device configuration
c. write device configuration
d. load device configuration
e. save device configuration
export procedure: device connection → step b→ step e
import procedure: device connection→ step d → step c
Configuration Software

Device Information

Click the Information tab to get device information

a. device serial number
b. device model name
c. firmware version
d. factory mode enabled state
e. firmware checksum
f. RS-485 enabled state
g. input function enabled state
h. output function enabled state
i. totalizer enabled state input calibration information
j. analog current input calibration points
k. analog voltage input calibration points
l. frequency input calibration points
Output calibration information
m. analog voltage output calibration points
n. analog current output calibration points
o. Calibration date
Configuration Software

Totalizer

Click the Totalizer tab to display the volumetric accumulation and related function

a. instantaneous flow rate, programmable unit
b. instantaneous flow rate, unit of Liter/min
c. accumulative flow, unit conversion 1, default m3
d. accumulative flow, unit conversion 2, default Liter
e. unit of accumulative flow 1
f. unit of accumulative flow 2
g. master enable of volumetric accumulation
h. enable of accumulation 1
i. enable of accumulation 2
j. reset button of accumulation 1
k. reset button of accumulation 2
Configuration Software

Display and Data Log

Click the Display tab to display the measurement data and start data log function

data display: click the “Display” tab
button description
clear the plot chart
toggle chart plotting line style
select the OUTPUT channel you want to set
set the line color of the selected OUTPUT channel
snap the currently chart plot
export data log since device is connected
axis Y main coordinate, ON or OFF
axis X coordinate, ON or OFF
axis Y secondary coordinate, ON or OFF
legend, ON or OFF
measurement data logging, ON or OFF
axis X time scale
axis Y amplitude scale
Set the logging time interval
a. Click File > Log Interval
b. select the logging interval
Store/log measurement data
store measurement data: save the logging data since device is connected
click Display > Exportspecify the path and filename > Save

Note : If the specified path and file name are the same, the original file data will be over written
log measurement data: start data logging
click Display > Log(OFF)

specify the path and filename > save

Note : If the specified path and file name are the same, the original file data will be over written.

Button name and location
Menu Operation

DPM status and button function

Button Instruction	DPM Mode
Normal Mode	Menu Mode
Press UP once	Reserved
Press OK once	Go Menu Mode

eyc-tech DPM04 Menu Flowchart

Inspection And Maintenance

Maintenance

Since this product is inspected and calibrated for high accuracy at the factory before shipment, no calibration on the installation site is necessary when this product is installed. For inspection and maintenance follow the instructions below:
Periodically inspect this product for its sensing accuracy. Set the period between inspections based on operating temperature, dust content and dirt condition of the place of installation, and regular calibration is carried out to guarantee the accuracy.