ABB CI853A Communication Interface
Description
ABB CI853A Communication Interface is a serial communication module from the ABB AC 800M series, designed to enable reliable data exchange between industrial automation system components and external devices.
| Specification | Value |
|---|---|
| Interface Types | 1 RS-232 full-duplex (DB9 female), 1 RS-422/RS-485 half-duplex/full-duplex (screw terminal or DB9), fiber expandable |
| Supported Protocols | Modbus RTU, COMLI, ASCII, Siemens 3964R, custom serial protocols |
| Baud Rate Range | 300 bps to 115.2 kbps, configurable |
| Power Supply | 24V DC via AC 800M backplane, 2-5W power consumption |
| Operating Temperature | -25 to 70 degrees Celsius |
| Storage Temperature | -40 to 70 degrees Celsius |
| Protection Rating | IP20 |
| Physical Dimensions | 60mm x 120mm x 100mm, 0.7kg weight |
Key Features:
- Software-configurable communication parameters including baud rate, data bits, and stop bits
- Optical isolation on RS-422/RS-485 ports to prevent ground loop interference
- Hot-swappable design for easy maintenance without system shutdown
- LED status indicators for power, communication, and fault monitoring
- Redundancy support at system level (Modbus RTU protocol excludes module redundancy)
Applications:
- SCADA system data collection and remote monitoring
- Integration of PLC, HMI, frequency converters, and industrial instruments
- Long-distance communication via fiber converter extension
- Modbus RTU network connectivity as master or slave device
Related Models:
- CI853K01
- CI853-1
- 3BSE018103R1