Product Description
Allen-Bradley 1756-L71/B ControlLogix 5571 Controller
The Allen-Bradley 1756-L71/B is a ControlLogix 5571 Controller designed for high-performance industrial automation applications. As a key component of the Rockwell Automation Logix5000 family, this processor provides a scalable solution for demanding process, motion, and safety control. It features 2 MB of user memory and 0.98 MB of I/O memory, delivering robust processing power for complex logic and motion control tasks. The 1756-L71/B is equipped with a built-in USB port for convenient programming and can support a wide range of communication modules, including EtherNet/IP, ControlNet, and DeviceNet, ensuring seamless integration into various plant-wide architectures. This controller is ideal for applications requiring high-speed data acquisition, multi-axis motion control, and sophisticated process management.
Technical Specifications:
- User Memory: 2 MB
- I/O Memory: 0.98 MB
- Communication Port: 1 x USB 2.0 (Full Speed)
- Controller Tasks: 32 Tasks, 100 Programs/Task
- Current Draw: 800 mA at 5.1V DC; 5 mA at 1.2V DC
- Power Dissipation: 2.5 W
- Chassis Compatibility: 1756 ControlLogix Chassis

Allen-Bradley 1756-L71/B
Discover the Allen-Bradley 1756-L71/B, a powerful ControlLogix 5571 PLC processor with 2MB of user memory. Ideal for high-performance industrial automation, motion, and process control systems.








