Rockwell / Allen-Bradley 1756-BATM Series A ControlLogix Battery Module

The Rockwell Allen-Bradley 1756-BATM Series A is a battery backup module for ControlLogix PLC systems. It maintains power to the real-time clock and memory during unexpected power loss, preserving critical program data and configuration settings. The module uses lithium battery technology and installs directly into a standard ControlLogix chassis slot, making it essential for industrial automation environments where data integrity and system continuity are non-negotiable.

Technical Specifications

• Manufacturer: Rockwell Automation


• Product Series: ControlLogix


• Model: 1756-BATM Series A


• Battery Technology: Lithium


• Primary Function: Real-time clock and memory backup


• Form Factor: Standard ControlLogix module, installed within chassis


• Installation: Direct slot mounting in ControlLogix chassis

Key Features

• Lithium battery provides extended backup power to clock and memory circuits


• Maintains data retention during power interruptions


• Prevents loss of program logic and system configuration


• Finite battery lifespan dependent on system uptime, ambient temperature, and data retention load


• Replaceable battery design supports planned maintenance cycles


• Operates with standard ControlLogix controllers and compatible chassis

Typical Applications

• Industrial control systems requiring continuous clock and configuration backup


• Manufacturing facilities where unplanned downtime creates operational cost


• Process automation where real-time data logging must persist across power events


• Any ControlLogix deployment where program or configuration loss is unacceptable

Compatibility & Integration The 1756-BATM integrates with Rockwell Allen-Bradley ControlLogix PLC systems and standard ControlLogix chassis. It works with compatibility with various ControlLogix controllers that require memory and clock backup functionality. The module occupies a single slot in the ControlLogix chassis architecture.