Overview
The ABB CI546 is a communication interface module designed for ABB PLC and distributed control architectures. It provides high-speed connectivity between the control system backbone and field-level modules, facilitating decentralized automation and reliable data exchange.
General Information
Part Number: 3BSE012545R1
Manufacturer: ABB
Series: CI (Communication Interface)
Type: Bus Interface Module
Mounting: Card or slot installation within modular control panel
Technology: Embedded bus, diagnostic logic, signal isolation
Country of Origin: Sweden
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: Minimal, optimized for distributed I/O systems
Input Source: Backplane or I/O shelf interface
Protection: Surge suppression and reverse-polarity protection
Indicators: LEDs for power, communication, and error
Communication & Interface
Bus Type: Control and field data bus interface
Role: Coordinates control bus traffic between processor and field modules
Diagnostics: Link supervision, fault detection, and status reporting
Operator Interface: LED indicators
Reset Features: Supports software and hardware reset
I/O & Channels
Relay Channels: None (pure communication module)
External Load Support: None
Environmental
Operating Temperature: −40 to +70 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP20 (installed in electrical cabinet)
Dimensions & Weight
Dimensions (L × W × H): 260 × 25 × 122 mm
Weight: ~ 0.17 kg
