ABB CI853A Communication Interface Module

Product Description

The CI853A from ABB is a serial communication interface module engineered for the AC 800M controller within the System 800xA automation platform. Designed for industrial-grade reliability, it provides flexible serial connectivity and supports multiple communication protocols for robust integration of external devices and subsystems.

Technical Specifications

Key Features

• Supports both ABB’s proprietary COMLI protocol and the widely adopted Modbus RTU standard.

• Hot-swappable module reduces system downtime during maintenance.

• Fiber optic converters allow extended communication over long distances.

• Can operate as both Master and Slave for versatile system integration.

• Built for industrial environments in manufacturing, energy distribution, and transportation systems.

Typical Applications

• Process Automation: Interfaces with sensors, actuators, and industrial subsystems.

• Energy Systems: Communication with monitoring, metering, and distribution devices.

• Transportation Infrastructure: Reliable data exchange in railway signaling and control systems.

• Legacy Equipment Integration: Supports older communication technologies, including dial-up modems.

FAQ

Q: Can the CI853A module be replaced without shutting down the AC 800M system?
A: Yes, it supports hot-swap functionality for seamless replacement.

Q: What protocol should I use for maximum compatibility?
A: COMLI is ABB-specific, while Modbus RTU provides broad interoperability with third-party devices.

Q: Can I extend the communication distance beyond standard serial cable limits?
A: Yes, using fiber optic converters, communication can span several kilometers.

Q: Is the module compatible with non-ABB controllers?
A: No, it is designed specifically for AC 800M controllers within System 800xA.