Description:

The Allen-Bradley 1756-L61 ControlLogix 5561 Processor is used in industrial automation systems as a central processing unit for executing control logic and managing I/O operations. Commonly installed in ControlLogix PLC racks, control panels, and automated manufacturing systems. Maintenance teams, OEMs, and system integrators use this part for system control, upgrades, and replacement of legacy PLC processors. 

Applications:

The Allen-Bradley 1756-L61 processor is widely used in industrial environments requiring high-performance and reliable control of complex automation processes. It is commonly integrated into ControlLogix systems in manufacturing lines, material handling systems, process industries, and large-scale automation setups where precise control, communication, and data processing are critical.

Technical Specifications:

• Manufacturer Part Number (MPN): 1756-L61
• Brand: Allen-Bradley
• Product Type: PLC CPU / Processor Module
• Series: ControlLogix 5560
• User Memory: 2 MB
• I/O Memory: 478 KB
• Nonvolatile Memory: CompactFlash supported
• Communication Ports: RS-232 serial port
• Firmware Revision: Series F, Version 1.9 compatible
• Backplane Current: 5V DC @ 1.2A
• Mounting Type: Chassis-mounted (ControlLogix rack)
• Operating Temperature: 0°C to +60°C
• Storage Temperature: -40°C to +85°C
• Protection Rating: IP20
• Compliance Standards: CE, UL, CSA

Common Replacements:

• Allen-Bradley 1756-L62 ControlLogix Processor
• Allen-Bradley 1756-L63 ControlLogix Processor
• Siemens CPU 315-2 PN/DP PLC