ABB CI853A 3BSE018103R1 System 800xA Dual RS-232 Communication Interface

Description

The ABB CI853A is a high-reliability serial communication interface module engineered for the AC 800M controller series within the System 800xA framework. This specific "A" variant offers enhanced performance for point-to-point serial connectivity, providing two independent RS-232C ports. It serves as a vital bridge for integrating non-networked peripherals—such as printers, terminals, modems, and third-party PLC systems—directly into the process control environment. The module ensures secure data flow and protocol flexibility for critical industrial applications.

Specifications

• Manufacturer: ABB

• Country of Origin: Switzerland

• Model Number: CI853A

• Order Code: 3BSE018103R1

• Product Type: Serial Communication Interface

• Channels: 2 Isolated RS-232C Ports

• Baud Rate: Up to 115.2 kbps

• Dimensions: 185 mm x 59 mm x 127.5 mm

• Weight: 0.55 kg

• Isolation: Galvanic isolation per port

Features

• Multi-Protocol Versatility: Supports a wide range of standard serial protocols including Modbus RTU, COMLI, and Siemens 3964R.

• Hardware Flow Control: Full support for RS-232 signals (RTS, CTS, DTR, DSR) enabling stable communication with telecommunication modems.

• Controller-Based Processing: Offloads serial communication tasks from the main CPU to ensure consistent controller performance.

• Simplified Diagnostics: Front-mounted LED status indicators provide immediate visual feedback for module health and port traffic.

• Compact Integration: Designed for efficient mounting on the AC 800M communication expansion bus, saving cabinet space.

• Hot-Swap Support: Allows for module replacement without interrupting the entire system's power, maintaining process uptime.