Allen-Bradley 1756-L65 ControlLogix Processor Module – High-Performance Automation Controller with 32 MB Memory
Product Description
The Allen-Bradley 1756-L65 is a Series B ControlLogix processor module designed for industrial automation. It features a built-in RS-232 serial port, 32 MB user memory for logic and data, and 478 KB I/O memory. An optional nonvolatile memory module (1756-CF128) can be added for backup. Powered by a replaceable 1756-BA2 lithium battery, this controller supports up to 128,000 I/O points (4,000 analog). Compatible with multiple chassis (1756-A4, A7, A10, A13, A17), it ensures seamless integration into your control system.
Technical Data
| Brand: | Allen-Bradley (Rockwell Automation) |
| Model: | 1756-L65 /B (Series B) |
| I/O Memory: | 478 KB |
| User Memory: | 32 MB |
| Max I/O Capacity: | 128,000 (4,000 analog) |
| Power Consumption: | 3.5W (1200mA @5.1V DC, 14mA @24V DC) |
| Operating Temp: | 0°C to 60°C |
| Isolation Voltage: | 30V DC continuous |
| Compatible Chassis: | 1756-A4, A7, A10, A13, A17 |
Installation & Compatibility
Install the 1756-L65 in a compatible ControlLogix chassis. Ensure proper ventilation to maintain temperatures below 60°C. For backup, use only the 1756-BA2 battery and 1756-CF128 CompactFlash. Follow Rockwell Automation’s guidelines for wiring and grounding.
Packaging & Warranty
Includes: 1756-L65 controller, documentation, and compliance leaflet. 12-month warranty against manufacturing defects. Ships via FedEx, UPS, or DHL.
Download Resources
For detailed specifications, download the ControlLogix I/O Modules Manual.










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