

The Allen-Bradley 1756-L7SP is a state-of-the-art safety controller designed for mission-critical industrial automation systems requiring the highest level of functional safety. As part of the ControlLogix family, this module integrates seamlessly into existing ControlLogix chassis, providing a unified platform for both standard and safety control. The 1756-L7SP executes safety logic independently while sharing data with standard controllers via the ControlLogix backplane, enabling efficient coordination between safety and non-safety processes. With its dual-processor architecture, the controller ensures fail-safe operation and meets stringent SIL 3 (IEC 61508) and PLe (ISO 13849) safety integrity levels. It supports extensive safety I/O configurations, including distributed safety modules via EtherNet/IP or ControlNet, making it ideal for complex safety applications in industries such as automotive, oil and gas, and pharmaceuticals.
| Parameter | Specification |
|---|---|
| Product Type | Safety Controller |
| Model | 1756-L7SP |
| Form Factor | Single-slot, ControlLogix chassis |
| Processor Architecture | Dual-redundant, fail-safe |
| Safety Integrity Level | SIL 3 (IEC 61508), PLe (ISO 13849) |
| Maximum Safety Tasks | 32 |
| Maximum Safety I/O Modules | 128 |
| Memory (Safety Logic) | 2 MB |
| Communication Protocols | EtherNet/IP, ControlNet, DeviceNet (via backplane) |
| Backplane Data Rate | Up to 100 Mbps (ControlLogix backplane) |
| Power Consumption | 3.5 W (typical) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Certifications | CE, UL, cUL, TÜV, ATEX (Zone 2), IECEx |
| Safety Certifications | TÜV Rheinland, SIL 3, PLe |
| Software Compatibility | Studio 5000 Logix Designer v20 or later |
| Weight | 0.25 kg (0.55 lbs) |
| Dimensions (H x W x D) | 144 mm x 35 mm x 105 mm (5.67 in x 1.38 in x 4.13 in) |
| Warranty | 1 year (standard) |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22