Excellent PLC
Product Introduction
The Allen Bradley 1756-L65 ControlLogix Logix5565 Processor is a high-capacity programmable automation controller designed for large and complex industrial automation systems. As the most powerful standard controller within the Logix5560 family, the 1756-L65 provides expanded processing capability and 32 MB of user memory, enabling it to manage highly detailed control strategies and extensive I/O databases.
This processor is intended for applications where large tag counts, multiple coordinated tasks, and high system integration are required. It supports centralized and distributed control architectures and integrates seamlessly into the ControlLogix chassis platform alongside communication, motion, and specialty modules.
With advanced task scheduling and deterministic execution performance, the 1756-L65 is well suited for enterprise-level automation systems that demand reliability, scalability, and long-term expandability.
Product Specifications
| Parameter | Specification |
|---|---|
| Processor Type | Logix5565 |
| User Memory | 32 MB |
| I/O Memory | 478 KB |
| Maximum Digital I/O | 128,000 |
| Maximum Analog I/O | 4,000 |
| Tasks Supported | Up to 32 |
| Programs per Task | Up to 100 |
| Current Draw @ 5.1 VDC | 1200 mA |
| Current Draw @ 24 VDC | 14 mA |
| Power Dissipation | 3.5 W |
| Thermal Dissipation | 11.9 BTU/hr |
| Isolation Voltage | 30 V continuous |
| Operating Temperature | 0 to 60°C |
| Relative Humidity | 5–95% noncondensing |
| Vibration | 10–500 Hz |
| Dimensions | 145.2 x 34.6 x 139.6 mm |
| Weight | 0.17 kg |
Applications
• Large-scale manufacturing systems requiring extensive program memory and high I/O density
• Automotive production lines with synchronized robotic and conveyor operations
• Oil & gas processing facilities managing distributed field I/O networks
• Power generation control systems integrating turbine and auxiliary process automation
• Batch and pharmaceutical processing environments requiring detailed data handling
• High-speed packaging and material handling systems with coordinated multi-task execution
• Plant-wide automation systems integrating multiple ControlLogix chassis across networks
The 1756-L65 is particularly suited for applications that demand significant data processing capacity and complex control logic execution.
Advantages
• Large 32 MB user memory supporting complex automation programs and extensive tag databases
• High I/O scalability with support for up to 128,000 digital and 4,000 analog I/O points
• Deterministic multi-task performance ensuring predictable and stable control cycles
• Efficient power consumption with optimized current draw characteristics
• Integrated modular architecture within the ControlLogix platform
• Strong environmental tolerance suitable for industrial vibration and humidity conditions
• Seamless compatibility with Studio 5000 software simplifying configuration and diagnostics
• Reliable backplane communication ensuring stable data exchange across modules
The 1756-L65 offers enhanced performance for high-demand control environments while maintaining compatibility with the broader ControlLogix ecosystem.
