A-b 1756-RM/A module
Product name: A-B 1756-RM/A Redundancy module

Product Description:

The A-B 1756-RM/A is A redundant module for the ControlLogix 5570 and ControlLogix 5571 controllers. It can configure two controllers as redundant pairs to improve system reliability and availability.

Product parameters:

Support hot backup: When the primary controller fails, the secondary controller seamlessly takes over control

without manual intervention.
Automatic switchover: When the primary controller fails, the system automatically switches to the secondary controller.
Synchronous communication: The active and standby controllers can synchronize communication to ensure data consistency.
Status monitoring: The status of the primary and secondary controllers can be monitored in real time, facilitating troubleshooting and maintenance.
Manual switching: Allows the operator to manually switch to the standby controller when needed.
Fault diagnosis: It can detect and report module faults to help solve problems quickly.
Communication interface: 1 LC optical fiber connector for redundant communication.
Power supply: 24 VDC
Power consumption: 9 watts
Heat dissipation: 31 BTU/ hour
Dimensions: 89 x 45 x 25 mm
Weight: 230 grams
Operating temperature: 0°C to 60°C
Storage temperature: -40°C to 85°C
Relative humidity: 5% to 95% (non-condensing)
Specifications:

Meets IEC 60529 IP67 protection rating
Compliance with EMC Directive 2014/30/EU
Comply with RoHS Directive 2011/65/EU
Applications:

Industrial automation system
Mission critical application
Any application that requires high reliability and availability