Product Overview

Description

High Quality Digital Input Modbus Controller Output Module

CWT-MB series Modbus IO module series with multi-channel DI/DO/AI/PT100 input. This module is designed for the whole industry, power supply, signal inputs and outputs, RS232 and RS485 interface(option Ethernet), interference protection designed to ensure data accuracy and reliability. RS485 communication interface performs MODBUS RTUprotocol, can be directly connected with the various types of PLC, DCS system, operator panel and a variety of configuration software.

 

 

 

model list

Ethernet is optional for all models

 

System parameters

CPU	32-bit ATMEL ARM, 72MHZ
OS	GCOS,10ms scheduling mechanism
Power	7-35VDC @2W, power supply reverse protection, isolation design
Installation	DIN rail mounting or screw fixing
Working Environment	-40°C~85°C,5%~95%RH(non-condensing)
Protection	IP20
Watchdog	1.5m guard

 

Series port parameters

Port type	1RS485 & 1RS232
Protection	DCDC isolation design, 2500V lightning protection, ESD, overvoltage, overcurrent protection
Baud rate	1200~115200,default 9600
Parity	Even, Odd, None
start bit	1 bit
data bits	8 bit
Stopbits	1,2bits
Protocol	MODBUS RTU
default	9600.N.8.1,slave id is 1

 

Analog input

Input type	4~20mA<default>,option: 0~20mA/0~5/1~5/0~10V
Precision	0.1%,16 bit
Refresh rate	0.01m

 

 

Digital input

ON signal level	5-30VDC,6mA@24VDC
OFF signal level	0-3VDC
Protection	optocoupler isolation, 2500V lightning protection, overvoltage, overcurrent protection
sample rate	0.01m

 

Digital output

Output type	normal open relay or Transistor output
Isolation	optocoupler isolation& relay isolation
Resistive load	5A/250VAC, 5A/30VDC
Response time	≤0.01s

 

PT100 Input

Input type	PT100
Precision	0.1°C
Measure range	-200°C to 320°C

 

 

 

 

we also provide GSM/GPRS/3G/4G RTU

 the modbus io module can extend DI/DO/AI/AO for Cellular RTU

£   CWT5000 series cellular RTU list 

model	IO interface	communication interface	Modbus	SMS	TCP/IP Over cellular	More detail
CWT5005A	2DI+2DO	1 RS232	×	√	×	view»
CWT5005B	2DI+1DO(relay)	1 RS232	×	√	×	view»
CWT5010	4DI+4DO	1 RS232	×	√	×	view»
CWT5011	8DI+8DO+4AI	1 RS232	×	√	×	view»
CWT5110	4DI+4DO	1 RS232	×	√	√	view»
CWT5111	8DI+8DO+4AI	1 RS232	×	√	√	view»
CWT5015	2DI+3DO(relay)+1AI	1 RS232	×	√	√	view»
CWT5016	4DI+4DO+4TI+4AI	1 RS232	×	√	√	view»
CWT5002	4DI+4DO	1 RS232(RS485 optional)	√	√	√	view»
CWT5018	4DI+2DO(relay)+8AI	1 RS232+1RS485+1Ethernet	√	√	√	view»
Cellular module default is 2G module, option: 3G/4G module

  

£   Application case

 

£   Application

 

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£   Certificates

 

 

 

 

 

RS485 Ethernet Digital Analog Input Output SCADA modbus rtu Data Acquisition i/o Module

RS485 Ethernet Digital Analog Input Output SCADA modbus rtu Data Acquisition i/o Module