Allen-Bradley 1756-LSP Controller Module

Series#: AllenBradley

Product Details

1756-LSP – High-performance ControlLogix standard safety controller for SIL 2/3 applications.
Redundant architecture support for maximum system uptime and fault tolerance.
Backward compatible with all ControlLogix 1756 chassis and communication modules.
Integrated safety logic execution with no additional programming overhead.
Certified for TÜV Rheinland functional safety standards.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The Allen-Bradley 1756-LSP is a flagship safety controller within the ControlLogix family, designed to deliver deterministic, high-integrity control for critical industrial processes. This module seamlessly integrates standard and safety control into a single platform, reducing wiring and cabinet complexity while meeting SIL 2/3 requirements per IEC 61508. With a dual-core architecture and redundant power supply options, the 1756-LSP ensures continuous operation in harsh environments such as oil & gas, chemical processing, and power generation. Its native support for EtherNet/IP and ControlNet allows for flexible network topologies, and the embedded safety firmware eliminates the need for external safety relays. Below is the detailed technical specification table for this model.

Parameter	Specification
Model Number	1756-LSP
Product Type	Safety Controller (ControlLogix)
Safety Integrity Level	SIL 2 / SIL 3 (per IEC 61508)
Processor Type	Dual-core ARM Cortex-A9
Memory (User Program)	4 MB
Memory (Data/Log)	8 MB
Logic Execution Rate	0.1 ms per 1K boolean instructions (safety tasks)
Supported I/O Modules	1756 Series Standard and Safety I/O
Communication Ports	2 x RJ45 (EtherNet/IP), 1 x BNC (ControlNet)
Network Protocols	EtherNet/IP, ControlNet, DeviceNet (via gateway)
Redundancy Support	Yes (Redundant chassis with 1756-RM2)
Power Supply Requirement	24 VDC (nominal), 1.5 A max
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)
Vibration Resistance	5 g Standard Models 10-500 Hz
Shock Resistance	30 g (11 ms half-sine)
Certifications	TÜV Rheinland, CE, UL, cUL, ATEX (Zone 2), IECEx
Weight	0.6 kg (1.3 lb)
Dimensions (H x W x D)	144 mm x 52 mm x 125 mm (5.67 in x 2.05 in x 4.92 in)
Warranty	2 Years (factory standard)