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Allen-Bradley 1756-L71S GuardLogix PLC Controller
GuardLogix Safety Controller, 2 MB user memory, 1 MB safety memory, 1 USB port, Secure Digital non-volatile memory option, 100 motion axes
Description
Allen-Bradley 1756-L71S is a GuardLogix safety controller for ControlLogix chassis-based systems. Official Rockwell Automation product information identifies it as a Logix 5571S automation controller with 2 MB standard memory and 1 MB safety memory.
- Product family: GuardLogix
- Product type: Safety controller
- Catalog number: 1756-L71S
- Controller designation: Logix 5571S Automation Controller 2/1M
- User memory: 2 MB
- Safety memory: 1 MB
- Local programming port: 1 USB
- Non-volatile memory option: Secure Digital
- Motion axis support: 100 axes
- Replacement battery / energy storage module: 1756-ESMCAP
Rockwell Automation lists the lifecycle status for 1756-L71S as Active Mature. The product page also indicates repair options and alternative products are available, but no explicit replacement SKU is stated for this active catalog number.