Allen-Bradley 1756-L61 – processor module

The Allen-Bradley 1756-L61 is a high-performance processor module designed for the ControlLogix platform. With 2MB of user memory, it ensures reliable execution of automation programs in medium and large-scale industrial systems. The module is engineered for stable operation in demanding environments and supports distributed control architectures within ControlLogix systems.

Installed directly into a ControlLogix chassis, the processor communicates via RS-232 interface and supports optional CompactFlash memory for additional data storage and program backup. Its robust design and proven reliability make it suitable for long-term industrial use.

Technical overview:
• Series: ControlLogix 5560
• Module type: processor (CPU)
• User memory: 2 MB
• I/O memory: approx. 478 KB
• Communication: 1 × RS-232
• Optional memory: CompactFlash
• Backplane current: approx. 1.2 A @ 5.1V DC
• Power dissipation: approx. 3.5 W
• Operating temperature: 0°C to +60°C
• Mounting: ControlLogix chassis

Typical applications:
• Industrial automation systems
• Manufacturing and production lines
• Process control systems
• PLC-based machine control
• Distributed control architectures

About the manufacturer:
Allen-Bradley, part of Rockwell Automation, is a global leader in industrial automation, recognized for high-performance PLC systems, advanced control solutions and reliable industrial technologies.