Industrial 4-Channel Serial I/O Node & Modbus Controller

Engineered for legacy serial networks, this isolated 4-channel RS485/RS232 edge node consolidates essential digital, analog, and relay signals, providing robust Modbus protocol integration for localized SCADA data acquisition.

Part No. 4CH-IO-RS232/485
sku : IoT-RIC100
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Primary function

Rail-Mount Support

Supports 35mm standard guide rail, with rail-mount buckle, easy to install.

Product Show

Outline dimensions

Remote I/O Controller Selection Guide

Model

REMOTE I/O CONTROLLE TYPE

Communication method

Power Supply

Voltage Range

Dimensions
(L × W × H)

4CH-IO-RS232/485

2 AI 4 DI 4 DO Remote I/O Controller

RS232/485

Screw terminal

DC 9~24V

121*72*34mm

4CH-IO-ETH

2 AI 4 DI 4 DO Remote I/O Controller

Ethernet

Screw terminal

DC 9~24V

121*72*34mm

8CH-IO-ETH

8 AI 8 DI 8 DO Remote I/O Controller

Ethernet

Screw terminal + DC 5.5 power port

DC 9~24V

197*92*25mm

8CH-IO-WE

8 AI 8 DI 8 DO Remote I/O Controller

WIFI

Screw terminal

DC 9~24V

197*92*25mm

8CH-IO-LTE

8 AI 8 DI 8 DO Remote I/O Controller

4G

Screw terminal + DC 5.5 power port

DC 9~24V

197*92*25mm

 

External interface

Size

L x W x H =12.2cm×7.2cm×3.4cm

Serial port parameters

RS485 interface, 1200-115200(default 9600bps), 8-bit data bits, NONE check, and 1-bit stop bit

Software

Upper-level agreement

MODBUS RTU

Underlying communication

RS485

Relay transmission speed (i.e., response time)

4CH-IO-RS232/485: <30ms

AI input form(Confirm before leaving the factory)

Current input: 4~20mA,0~20mA

Voltage input: 0-5V, 0-10V

Resistance input: 0-10K, resistance-type temperature and humidity sensors, etc

Power consumption

4CH-IO-RS232/485：<1.7W  <70mA@24V

Environmental requirements

Operating temperature

-40~85℃

Storage temperature

-45~165℃

Humidity range

5 to 95% relative humidity

Remote RS-485 data acquisition modules is an intelligent device based on RS485 for digital input and output as well as analog input. This remote IO controller can be conveniently connected to the 485 bus to achieve RS485 access. 4CH-IO-RS232/485 is an ideal choice for users to achieve remote control and data acquisition.

4CH-IO-RS232/485: This model is based on RS485 transmission and can simultaneously monitor 4 digital inputs, 2 analog inputs, and control 4 relay outputs. Remote IO control and data acquisition adopt the Modbus protocol.

[User Manual] Valtoris-4CH-IO-RS232/485 User Manual

 
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