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4 20mA Remote IO Module

Basic Information
Place of Origin: Sichuan, CHINA
Certification: CE FCC RoHs
Model Number: ZHT0020
Minimum Order Quantity: 1PCS
Price: USD22~28/PCS
Packaging Details: 270*180*55mm CARTON PACKAGE
Delivery Time: 1 WEEK
Payment Terms: L/C, T/T, Western Union
Supply Ability: 50000PCS/MONTH
Material: PLASTIC Product Name: 0-5V 0-10V 4-20mA Remote IO Module
Interface: RS485/2 Channel Analog Signal Protocol: MODBUS RTU
Function: Analog Input Acquisition Application: IOT Monitoring
Working Voltage: 12V Module Type: RS485
Customized: Support
High Light:

20mA Remote IO Module


5V Remote IO Module


10V Analog Input Converter

0-5V 0-10V 4-20mA Remote IO Module To Rs485 Output Analog Input Converter


Introduction​ of Remote IO Module



ZHT0020 is a serial port control module, provide 2 channel Analog Signal and a RS485 interface, support 0-5V 0-10V 4-20mA to rs485 and standard Modbus RTU protocol, which can widely used in  warehousing and logistics, weather monitoring, smart energy, and aquaculture.


Parameters of Remote IO Module


Parameter Description
Durability 100,000 times
Rated voltage DC10-30V
Indicator status indicator
Temperature range industrial grade, -40℃~60℃
Size 50mm*96mm*31mm
Default communication format 4800,1,8,none
Data interface RS485
Baud rate 240048009600



◆DC10~30V wide voltage

◆Power consumption: 0.4W

◆Dual watchdogs, no downtime for 24 hours, stable operation

◆Support RS485 communication

◆Communication baud rate: 2400; 4800; 9600; (default 4800 for appearance)

◆Communication protocol: Support Modbus RTU protocol

◆ 01-FF device addresses can be set, and 1-30 address codes can be set with the 5-digit address dial switch


4 20mA Remote IO Module 0

4 20mA Remote IO Module 1

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RS485 Modbus
2 Channel Analog Intput
Standard Modbus Protocol



Contact Details

Phone Number : 8618982006591

WhatsApp : +8618982006591