A-B 1756-RM2
The 1756-RM2 is a redundant module in the Allen-Bradley ControlLogix family of programmable logic controllers (PLCS). It is used to implement system redundancy in critical applications to improve system reliability and availability. The module has the following features:
Supports ControlLogix 5570, 5571, 5572, and 5580 controllers0
Primary/secondary redundancy can be realized
Provides fault detection and isolation functions
Support hot switching
Diagnostic light
The 1756-RM2 is suitable for a variety of applications such as:
Process control
Discrete manufacturing
Automobile manufacturing
Electric power system
transportation
Product parameter
Parameter value
Compatible controller models ControlLogix 5570, 5571, 5572 and 5580
Redundancy Configures primary/secondary redundancy
Fault detection and isolation Yes
Eager support
Diagnostic light Yes