Overview
The Allen Bradley 1756-LSP is a GuardLogix Security Partner Controller for ControlLogix systems, designed to enhance safety and security in industrial automation environments. It works alongside primary GuardLogix controllers to provide redundancy, safety validation, and secure communication for critical machine and process control applications.
General Information
Part Number: 1756-LSP
Manufacturer: Allen Bradley
Brand / Country of Origin: Allen Bradley / USA
Series: ControlLogix GuardLogix
Type: Security Partner Controller / Safety Companion Module
Mounting: Chassis-mounted within a ControlLogix rack
Technology: GuardLogix safety architecture with partner-based control
Application: Safety-critical automation, redundant system validation, and secure industrial networks
Power Specifications
Supply Voltage: Powered via ControlLogix chassis backplane
Power Consumption: Low-power module-level consumption
Isolation: Backplane electrical isolation
Protection Features: Industrial-grade electrical and system protection
Status Indicators: RUN, OK, SAFETY, FAULT, and network diagnostic LEDs
Communication & Interface
Integrated Port: 1 × EtherNet/IP Port
Network Speed: 10/100/1000 Mbps auto-negotiating Ethernet
Communication Protocols: EtherNet/IP, CIP Safety, secure industrial communication protocols
USB Port: USB configuration and service interface
Diagnostics: System health monitoring, fault detection, and security event logging
Controller Features: Supports partner-based safety architecture and redundant system operations
Security: Advanced access control and security features for critical systems
Environmental
Operating Temperature: 0°C to +60°C
Storage Temperature: −40°C to +85°C
Humidity: 5% to 95% RH, non-condensing
Environmental Protection: Suitable for industrial cabinet installation
Shock Resistance: Designed for safety-critical industrial environments
Vibration Resistance: Compliant with industrial automation standards
Dimensions & Weight
Dimensions (L × W × H): 144.57 × 22 × 105.42 mm
Weight: 0.34 kg
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