Overview
The Allen-Bradley 1785-BCM/C is a backup communication module designed for PLC-5 systems, providing redundancy and reliable data continuity in industrial control applications. It ensures uninterrupted communication between controllers and networks by enabling automatic backup switching in the event of a primary module or link failure, improving system availability in critical automation processes.
General Information
Part Number: 1785-BCM/C
Manufacturer: Allen-Bradley (Rockwell Automation)
Brand: Allen-Bradley
Country of Origin: USA
Series: PLC-5 Communication Modules
Type: Backup Communication Module
Installation: PLC rack-mounted module
Function: Provides communication redundancy and system backup capability
Application: PLC-5 systems, industrial automation redundancy solutions
Power Specifications
Supply Source: Powered via PLC backplane
Operating Voltage: 5 V DC (system backplane supply)
Power Consumption: Moderate low power consumption (< 6 W typical)
Protection: Built-in electrical isolation and fault protection
Status Indicators: LED indicators for module status, backup activity, and fault conditions
Communication & Interface
Network Support: PLC-5 communication network compatibility
Interface Type: Rack-mounted communication interface
Functionality: Primary/secondary communication backup switching
Diagnostics: Fault detection, link monitoring, and redundancy status reporting
Configuration: System configured via PLC programming tools
Environmental
Operating Temperature: 0 to +60 °C
Storage Temperature: −40 to +85 °C
Relative Humidity: 5% to 95% non-condensing
Vibration Resistance: Industrial-grade tolerance for control cabinet environments
Protection Level: Designed for enclosed PLC rack installations
Dimensions & Weight
Dimensions: 165 × 51 × 89 mm
Weight: 0.58 kg
Reliable Redundancy – Built for Continuous Operation