Allen Bradley 1756-LSP Safety Partner Controller

Core Performance & Industrial Application

The Allen Bradley 1756-LSP is a GuardLogix safety partner coprocessor designed for ControlLogix safety control system.

It forms 1oo2 redundant safety architecture together with 1756-L61S, 1756-L62S or 1756-L63S main safety controller.

It provides an independent isolated second channel for safety logic calculation, to achieve SIL3 and PLe safety level.

It has no independent user program memory and communication port, all configuration and operation are managed by the main controller.

It supports safety program verification, fault diagnosis and safety response for emergency stop, safety door and safety I/O signals.

It is widely used for machinery safety, packaging, power and petrochemical safety interlock control systems.

Technical Specifications

▶ Product type: GuardLogix safety partner controller, order no. 1756-LSP

▶ Brand: Allen Bradley (Rockwell Automation)

▶ Series: ControlLogix / GuardLogix 5560

▶ Matching main controller: 1756-L61S, 1756-L62S, 1756-L63S

▶ Safety level: SIL 3, PLe, Cat.4

▶ Power consumption: 3.5 W

▶ Current draw: 1200mA @5.1V DC, 14mA @24V DC

▶ Mounting: 1756 series chassis, installed next to main safety controller

▶ Operating temperature: 0℃ ~ +60℃

▶ Protection rating: IP20 (cabinet mounting)

▶ Feature: 1oo2 redundant safety channel, built-in self-diagnosis

▶ Country of origin: USA

▶ Compliance: CE, UL, TÜV safety certification

Industry Applications

Applied in machine tools, packaging machinery, power plants and petrochemical industry for safety interlock and safety control system maintenance.

Note: Confirm matching main safety controller and firmware version before ordering