Allen Bradley 1785-BCM/C Backup Communication Module

Product Introduction

The Allen Bradley 1785-BCM/C Backup Communication Module is designed to provide redundant communication capability for PLC-5 control systems. Developed by Rockwell Automation under the Allen-Bradley product family, this module enables reliable processor backup and coordinated operation between primary and secondary PLC-5 controllers.

The 1785-BCM/C module supports one high-speed serial link and two DH+/RIO communication channels, allowing two PLC-5 processors to operate in a backup configuration. When the primary controller experiences a failure, the secondary controller can automatically take over control, minimizing system downtime and maintaining continuous industrial operations.

Product Specifications

Applications

• Redundant PLC-5 control systems, ensuring continuous operation in critical industrial processes.

• Process industries, such as chemical plants, oil and gas facilities, and power generation systems.

• Manufacturing automation, where production lines require high system availability.

• Remote I/O network coordination, allowing stable communication between controllers and distributed I/O devices.

• Control system redundancy, supporting primary and standby PLC processors.

• Legacy automation systems, maintaining reliable communication in established PLC-5 installations.

Advantages

• Controller redundancy support, allowing seamless switching between primary and backup PLC-5 processors.

• High-speed serial communication link, ensuring fast synchronization between processors.

• Dual DH+/RIO interfaces, supporting flexible industrial network connectivity.

• Improved system reliability, reducing downtime caused by controller failures.

• Stable data synchronization, ensuring both processors maintain identical control programs and data.

• Designed for critical industrial environments, supporting long-term reliability in automation systems.

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