WP3082ADAM 8AI 0 20MA / 4 20MA Analog Input Module / RS485 MODBUS RTU Communications

WP3082ADAM 8AI 0 20MA / 4 20MA Analog Input Module / RS485 MODBUS RTU Communications
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Oписание продукта

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Chapter 1 product introduction

A.Summary

MB8AO 8Road analog output module, 8 way 0-20mA, 4-20mA, 0-5V, 0-10V 4 analog signal output; by isolating RS485 interface can control 8AO data output; module uses Modbus-RTU communication, it can directly match PLC, DCS and various domestic configuration software.

Signal output, power supply, RS485 communication and electrical signals are isolated from each other, effectively suppressing all kinds of mode and common mode interference, ensuring the accuracy of data, and ensuring reliable operation of modules.

Two.Characteristic

1.The standard Modbus-RTU protocol is used.

2.The type of input signal for each channel can be set according to your own needs.

3.The type of signal output is designed with no jump line. It can be set by testing software without opening the shell setting line. It is very convenient for users to use..

4.The module analog output power supply has a built-in isolation DCDC module, and no additional analog output power supply is needed.

5.AOAnalog output mode

Module function mode

Functional characteristics

Load preloaded mode

1.Analog output [1]AOPower initial value] can be set to load a value by default to load0Value.

2.When the module is on electricity, the analog outputAOLoading [AOThe initial value of electricity.

Load off value mode

1.Uninterruptedly monitor the power supply of the module, and record the current when the module power supply is detected.AOThe output value of the channel.

2.When the module is on power again, the analog outputAOLoad the last value before power off.

6.Security: signal acquisition, signal output, power supply, RS485 communication electrical signals are isolated from each other.

7.Communication protection: RS485 communication signal output interface adopts overvoltage over current double protection.

8.The type of output signal and the format of communication can be set up by software.

9.Power polarity protection and overcurrent protection.

Three.Technical indicators

project

parameter

AO

signal output

1Output channel: 8 channel isolation analog output

2Output signal types: 4 analog signals of 0-20mA, 4-20mA, 0-5V and 0-10V

3Sampling rate: 8 channel 5mS can be updated once

4Resolution: 12 bit

5.Precision: voltage 0.2% Electric current 0.3%

6. Isolation voltage protection: 1500V

RS485

Communication output

1Communication protocol: MODBUS-RTU

2Interface type: isolation RS485 communication, output interface with overvoltage over current double protection

3Baud rate: 1200BPS, 2400bps, 4800bps, 9600bps, 19200bps

4Check bit: no check, parity check, odd check

5Setup mode: module address, baud rate, check bit can be set up by software

6. Isolation voltage protection: 1500V

Module size

A. Individual module size: 104mm*72mm*26mm

B. With terminal and guide box size: 124mm*72mm*45mm

Installation method

Standard DIN guide rail installation (35mm guideway or high and low guide rail)

work environment

Temperature: -10 ~ +55 C humidity: 35~85% (non condensation)

Working power supply

1Power supply voltage: 10V~30V wide range power supply.

2. With power polarity protection and overcurrent protection.

3Power consumption: less than 3W

Four.Product appearance and peripheral wiring diagram

Five.Module indicator light and switch function description

1.POW/SET; Module working status indication

A.Green light: module work in running state. B. red light: module configuration parameters have been written, need to re power.

2.TXD/RXD: Communication status indication

A.Green light flashes: the communication receives the data B. red light: the module is sending data

C.The green light is always bright: the communication RS485 line on DATA+ and DATA- connects to the reverse or the wiring has broken line.

3.Right reset switch of module

A.When the communication parameters (module address, baud rate, parity bit) do not know or communication parameter misspecification, and can not establish contact module communication, the solution is to reset the communication parameters; we use the clip to hold the reset switch is not open, 5 seconds after the [POW/SET] module of the red indicator lights, release the reset switch, the communication the parameters have been reset, as long as the power supply module after the restart time, the communication parameters of the module has been reset.

B.Post reset communication parameters: Address: 1, baud rate: 9600bps, check bit: No.

Six.Typical application wiring diagram

Seven.Terminal definition

 

terminal

Name

Explain

 

terminal

Name

Explain

1

+Vs

Power input +

19

A04I

Analog channel 4 current output

2

GND

Power input

20

AGND

Analog output

3

A00I

Analog channel 0 current output

21

A04V

Analog channel 4 voltage output

4

AGND

Analog output

22

AGND

Analog output

5

A00V

Analog channel 0 voltage output

23

A05I

Analog channel 5 current output

6

AGND

Analog output

24

AGND

Analog output

7

A01I

Analog channel 1 current output

25

A05V

Analog channel 5 voltage output

8

AGND

Analog output

26

AGND

Analog output

9

A01V

Analog channel 1 voltage output

27

A06I

Analog channel 6 current output

10

AGND

Analog output

28

AGND

Analog output

11

A02I

Analog channel 2 current output

 

29

A06V

Analog channel 6 voltage output

12

AGND

Analog output

 

30

AGND

Analog output

13

A02V

Analog channel 2 voltage output

 

31

A07I

Analog channel 7 current output

14

AGND

Analog output

 

32

AGND

Analog output

15

A03I

Analog channel 3 current output

 

33

A07V

Analog channel 7 voltage output

16

AGND

Analog output

 

34

AGND

Analog output

17

A03V

Analog channel 3 voltage output