ABB CB801 3BSE042245R1 Communications Bridge Module

Overview

The ABB CB801 is a communications bridge module designed to provide redundancy and communication path management in ABB’s distributed automation systems. It ensures high availability and integrity when interfacing between control modules and field networks.

General Information

• Part Number: 3BSE042245R1

• Manufacturer: ABB

• Series: CB (Communication Bridge)

• Type: Redundant Communications / Bridge Module

• Mounting: Rack or chassis mount in ABB control cabinets

• Technology: Dual-path Ethernet/serial bridging with failover logic

Power Specifications

• Supply Voltage: 24 V DC

• Power Consumption: ~4–6 W

• Input: Redundant 24 V DC supplies

• Outputs: Ethernet/serial network interfaces

• Protection: Surge suppression, reverse polarity protection

• Indicators: LEDs for power, link status, fault, activity

Communication & Interface

• Ethernet Ports: Dual 10/100 Mbps RJ-45 ports

• Serial Ports: RS-232 / RS-485 for legacy device integration

• Microprocessor: Onboard logic for bridging, redundancy, and diagnostics

• LAN Management: Automatic path selection and link integrity monitoring

• Operator Interface: Status indicators and optional local diagnostics port

• Reset Features: Hardware reset and remote reset via management interface

I/O & Channels

• Relay Channels: None (pure communications module)

• External Load Support: No output loading; functions as signal router

Environmental

• Operating Temperature: –20 °C to +60 °C

• Storage Temperature: –40 °C to +85 °C

• Humidity: 5% to 95% RH, non-condensing

• Protection Class: IP20

Dimensions

• Size (L × W × H): 180 × 120 × 60 mm

• Weight: ~0.8 kg