1756-L1/A Allen-Bradley PLC CPUs & Systems

Allen-Bradley 1756-L1/A Overview The Allen-Bradley 1756-L1/A is a legacy ControlLogix processor module with 750KB of user memory , designed for use in early-generation ControlLogix control systems . As part of Series A , this CPU is compatible with RSLogix 5000 programming software and is suitable for maintaining or upgrading existing automation systems still operating on this platform. Key Features Processor Type: ControlLogix standard CPU Memory: 750KB user memory Series: A Programming Software: RSLogix 5000 Chassis Compatibility: 1756 ControlLogix chassis Communication: Supports ControlNet, DeviceNet, and EtherNet/IP via communication modules Battery Backup: Optional lithium battery supported LED Indicators: Status, fault, and activity indicators on front panel Technical Specifications Catalog Number: 1756-L1/A User Memory: 750KB Chassis Slot Size: 1 Programming Environment: RSLogix 5000 Firmware Range: Compatible with early ControlLogix firmware Battery Backup: Yes (optional battery module required) Status LEDs: RUN, OK, RS232, BAT, FORCE, and others Operating Temp: 0°C to 60°C Certifications: UL, CE, CSA Lifecycle Status: Legacy (no longer actively manufactured) Applications Legacy ControlLogix automation systems Manufacturing lines with early-generation PLCs OEM machines requiring backward compatibility System migrations or spare part replacements Training and simulation environments Why Choose the 1756-L1/A Cost-Effective Legacy Support: Ideal for extending the life of older ControlLogix systems Straightforward Integration: Compatible with early RSLogix 5000 versions Reliable Operation: Time-tested design from Rockwell Automation Spare Part Replacement: Suitable for maintaining legacy installations 1-Slot Compact Design: Fits easily in existing chassis setups Order Now The Allen-Bradley 1756-L1/A processor module is available and ships worldwide.