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ControlLogix Safety PLC Processor Allen-Bradley 1756-L71S
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Allen-Bradley 1756-L71S
High-performance ControlLogix safety processor with integrated ProcessLogix capability for mission-critical process and safety applications
| Brand | Allen-Bradley |
| Model | 1756-L71S |
| Voltage | 5V DC (Chassis Backplane) |
| Country of Origin | USA |
| Weight | 0.32 kg |
| Dimensions | 145 x 35 x 142 mm |
| Certifications | CE, UL, cUL, ATEX, IEC 61508 SIL2, PLd |
| SKU / MPN | 1756-L71S |
| What’s in the box | 1756-L71S Processor Module, key, installation guide |
| User Memory | 2 MB |
| I/O Memory | 1 MB |
| Number of Tasks | 32 |
| Programs per Task | 100 |
| Communication Ports | EtherNet/IP, ControlNet, DeviceNet, RS-232 |
| Safety Integrity Level | SIL 2 / PLd |
Key benefits: Integrated safety functionality (SIL 2/PLd), 2 MB user memory, scalable communication via EtherNet/IP, robust chassis-based design, seamless integration with Studio 5000 Logix Designer
Typical applications: Process control systems, burner management, emergency shutdown systems (ESD), high-integrity pressure protection, turbine control, plant-wide automation in oil & gas, chemical, and power industries
Lifecycle: Active product, long-term availability with continued Rockwell Automation support
1 review for ControlLogix Safety PLC Processor Allen-Bradley 1756-L71S
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Robert M. –
The power supply unit is stable under full load. Better than expected.