

The ALLEN-BRADLEY 1768-L45S is a high-integrity CompactLogix 5335S Safety Controller designed for demanding industrial automation environments requiring both standard and safety control. This robust module combines a 32-bit processor with a dedicated safety co-processor, enabling SIL 3 (IEC 61508) and PL e (ISO 13849) performance. With its dual Ethernet/IP and ControlNet ports, the 1768-L45S facilitates real-time data exchange and redundant network topologies, making it a cornerstone for integrated safety systems in manufacturing, packaging, and material handling. The controller supports up to 1.5 MB of user memory, allowing for extensive logic, safety routines, and data logging. Its compact form factor reduces panel space while delivering the processing power needed for synchronized motion and safety interlocks.
| Parameter | Specification |
|---|---|
| Model Number | 1768-L45S |
| Product Family | CompactLogix 5335S Safety Controller |
| Processor Type | 32-bit dual-core (Standard + Safety) |
| User Memory | 1.5 MB (standard logic + safety logic) |
| Safety SIL Rating | SIL 3 per IEC 61508 |
| Safety PL Rating | PL e per ISO 13849 |
| Network Ports | 2 x Ethernet/IP (RJ45), 1 x ControlNet (coaxial) |
| Safety Tasks | Up to 32 safety tasks |
| Standard Tasks | Up to 32 standard tasks |
| I/O Capacity | Up to 128 local I/O modules (via 1769 bus) |
| Backplane Current | 1.2 A Standard Models 5V DC (typical) |
| Power Supply Voltage | 24V DC (nominal) |
| 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, cULus, TÜV, ATEX (Zone 2), IECEx |
| Dimensions (H x W x D) | 118 mm x 87 mm x 87 mm (4.65 in x 3.43 in x 3.43 in) |
| Weight | 0.45 kg (1.0 lb) |
| 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