ABB CI853A | Serial Communication Module RS-232C/RS-485
Manufacturer: ABB
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Part Number: CI853A
Condition：New with Original Package
Product Type: Serial Communication Module RS-232C/RS-485
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The ABB CI853A is a versatile communication interface module designed for AC 800M control systems.
It enables reliable serial communication with external devices using COMLI and Modbus RTU protocols.
Standard RS-232C and optional RS-485 interfaces allow flexible connections to a wide range of field devices.
The module supports hot swapping, master/slave configurations, and extended cable lengths through fiber optic converters.
Its robust design ensures reliable operation in distributed control systems across manufacturing, energy, and transportation sectors.
The CI853A facilitates seamless integration into automation architectures while maintaining high data integrity and system performance.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | CI853A |
| Part Number | 3BSE018103R1 |
| System Compatibility | ABB AC 800M |
| Communication Protocols | COMLI, Modbus RTU |
| Interface Type | RS-232C (standard), RS-485 (optional) |
| Baud Rate | Up to 38.4 kbps |
| Cable Length | Several kilometers with fiber optic converter |
| Hot Swap Support | Yes |
| Master/Slave Modes | Supported for COMLI and Modbus RTU |
| Mounting Type | DIN rail |
| Application Areas | Industrial automation, process control, energy systems |
FAQ
Q1: What is the ABB CI853A used for?
A1: It provides serial communication between AC 800M controllers and external devices.
Q2: Which communication protocols does it support?
A2: Supports COMLI and Modbus RTU for master/slave communication.
Q3: What interfaces are available on the CI853A?
A3: Standard RS-232C and optional RS-485 for flexible connectivity.
Q4: Can the module be hot-swapped?
A4: Yes, the CI853A supports hot swapping, enabling maintenance without downtime.
Q5: How far can the communication cables extend?
A5: Cable lengths can reach several kilometers using a fiber optic converter.