• Model: CI810B

• Part No: 3BSE020520R1

• Type: RS232/RS485 Serial Communication Interface Module

• Applicable System: ABB AC800M / System 800xA

• Mount Base: TU810/TU811 terminal unit

Communication Parameters

• Interface Standard: RS-232 + RS-485

• Supported Protocols: Modbus RTU, ASCII, Generic serial protocol

• Baud Rate: 300 ~ 115200 bps

• Data Format: Data bits 7/8, Stop bits 1/2, Parity None/Odd/Even

• Isolation: Electrical isolation between field side and system side

• Max Connection: Multi-point serial bus connection

Electrical Specification

• Supply Voltage: 24VDC

• Working Current: Low power consumption

• Status Indicators: Power, Run, Tx, Rx, Fault LED

Environmental & Mechanical

• Operating Temp: 0°C ~ +60°C

• Storage Temp: -40°C ~ +85°C

• Humidity: 5%~95% RH, non-condensing

• Protection Grade: IP20

• Installation: Rack mounting, hot swappable

Main Functions

1. Realize serial data communication for AC800M controller

2. Connect third-party instruments, meters, sensors and serial devices

3. Support Modbus master/slave mode

4. Easy configuration via Control Builder M

5. Suitable for industrial process automation, power, chemical, water treatment industry