Product Details
Product Description
The Allen-Bradley 1756-L7SP GuardLogix Safety Partner Module is designed to work alongside 1756-L7xS controllers, providing SIL 3 and PLe certified safety functionality. It ensures compliance with stringent safety standards while maintaining seamless integration into ControlLogix chassis systems.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: GuardLogix / ControlLogix
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Part Number: 1756-L7SP
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Product Type: Safety Partner Module for 1756-L7xS Controllers
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Weight: 0.25 kg
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Energy Storage Modules:
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1756-SPESMNSE (removable, no residual WallClockTime backup)
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1756-SPESMNRM (nonremovable, prevents USB and SD card use)
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Current Draw @ 1.2 VDC: 5 mA
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Current Draw @ 5.1 VDC: 800 mA
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Power Dissipation: 2.5 W
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Thermal Dissipation: 8.5 BTU/hr
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Isolation Voltage: 30 V continuous, USB port to backplane (basic insulation); type tested at 500 V AC for 60 seconds
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Slot Width: 2 (requires both modules, each occupies one slot)
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Module Location: Chassis-based, must be installed immediately to the right of the primary controller
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Compatible Chassis: 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17
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Compatible Power Supplies: 1756-PA72, 1756-PB72, 1756-PA75, 1756-PB75
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Wire Category: Category 3 (USB ports)
Application Scenarios
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Safety-Critical Automation: Provides SIL 3 and PLe safety compliance for GuardLogix systems
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Industrial Control Systems: Ensures redundancy and secure operation in manufacturing and process environments
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Secure Configurations: Nonremovable energy storage module prevents unauthorized USB or SD card access
FAQ
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Q: What is the role of the 1756-L7SP? A: It functions as a safety partner for GuardLogix controllers, enabling SIL 3 and PLe safety compliance.
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Q: Which energy storage modules are supported? A: The 1756-L7SP supports 1756-SPESMNSE (removable) and 1756-SPESMNRM (nonremovable).
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Q: Where should the module be installed? A: It must be placed in the chassis slot immediately to the right of the primary controller.
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Q: How does this differ from standard ControlLogix modules? A: Unlike standard modules, the 1756-L7SP is specifically designed for safety applications with SIL 3/PLe certification.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Evolving SCADA System Architectures in Industrial Automation
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Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.