The 1757-SRM is a ControlLogix System Redundancy Module. It is designed to provide redundancy and fault tolerance for ControlLogix systems by creating a redundant pair of ControlLogix controllers. Redundancy is important in critical control systems to ensure system availability and minimize the potential impact of a single point of failure.

The 1757-SRM module operates by monitoring the primary ControlLogix controller and continuously synchronizing it with the redundant controller. If a fault or failure occurs in the primary controller, the 1757-SRM automatically switches control to the redundant controller to maintain system operation without interruption. The failover is seamless and allows the system to continue running without any noticeable downtime.

The 1757-SRM module can be used in various applications where system availability and fault tolerance are crucial, such as manufacturing plants, power generation facilities, and other industrial automation environments.

Allen Bradley 1734 Series Plc Model 

1734-IE2V

1734-IE4C

1734-IJ

1734-IK

1734-IM4

1734-IT2I

1734-OA2

1734-OA4

1734-OB2

1734-OB2EP

1734-OB4

1734-OB4E

1734-OB8

1734-OE2V

1734-OV8E

1734-OW4

1734-PDN

1734-RTB

1734-SSI

1734-TB

1734-TB3

1734-TBCJC

1734-TBS

1734-TOP

1734-TOP3

1734-TOP3S

1734-TOPS