Allen Bradley 1756-L7SP GuardLogix Safety Partner Controller

The AB 1756-L7SP is a GuardLogix Safety Partner Controller designed to function alongside a primary 1756 GuardLogix controller in a redundant safety configuration. This partner unit ensures compliance with functional safety standards up to SIL 3 (IEC 61508) and Performance Level e (EN ISO 13849-1), enabling high-integrity safety control in hazardous industrial environments.

This module cannot operate independently and is designed exclusively to act as a mirrored safety partner to a 1756-L7xS primary CPU. It ensures synchronous operation and automatic safety failover in accordance with dual-channel safety logic architecture.

Technical Specifications

Series: GuardLogix
Product Type: Safety Partner Controller
Model Number: 1756L7SP
System Compatibility: Requires 1756-L7xS primary GuardLogix controller
Safety Memory Size: 32 MB
Display: Yes
Processor Redundancy: Mirrored safety control operation with primary CPU
Communication Ports:

• 1 x USB (for configuration and diagnostics)

Electrical & Communication Specs

Backplane Current Draw (5.1V): 1.25 A
Backplane Current Draw (24V): 14 mA
Supported Protocols:

• EtherNet/IP (via associated primary controller)
• Modbus (via primary controller interface)

Safety Integrity Level (SIL): SIL 3 (IEC 61508)
Performance Level: PL e (EN ISO 13849-1)

Mechanical Specifications

Width: 292 mm
Height: 240 mm
Depth: 164.52 mm
Mounting Type: ControlLogix chassis only
Rack Mounting: Yes
Wall Mounting: No
Rail Mounting: No
Installation: Front installation supported

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: -40…85 °C
Humidity: 5–95% non-condensing
Vibration Resistance: IEC 60068-2 compliant
Shock Resistance: 30g
IP Rating: N/A (requires chassis enclosure)

Compliance & Certifications

SIL Certification: SIL 3 (IEC 61508)
Performance Level Certification: PL e (EN ISO 13849-1)
CE Marked: Yes
UL Listed: Yes
RoHS Compliant: Yes

Key Features & Benefits

✅ Redundant Safety Architecture – Mirrors the primary controller to ensure dual-processor safety operation in high-risk applications

✅ SIL 3 & PL e Certified – Ideal for safety-critical operations requiring the highest levels of compliance

✅ 32 MB Dedicated Safety Memory – Enables complex safety logic, user-defined safety routines, and extended diagnostics

✅ Tightly Integrated with ControlLogix – Seamlessly fits into any ControlLogix chassis next to the primary safety CPU

✅ Plug-and-Play Pairing – No external programming needed; automatically partners with the 1756-L7xS for fail-safe operation

📦 Buy the Allen Bradley 1756-L7SP at Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-L7SP prices. With fast shipping, expert support, and full GuardLogix system integration, we supply the safety automation hardware you need to protect your operations.

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