1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
    1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
    1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
    1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller
1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller

1756-L8SP | Allen-Bradley ControlLogix GuardLogix5580 Safety Partner Controller

Part #: 1756-L8SP Manufactured by: Allen-Bradley
$734.00
$734.00
6 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The Allen-Bradley 1756-L8SP is a GuardLogix safety partner controller that works in tandem with a GuardLogix primary unit....  Read more
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Product Description P/N: 1756-L8SP

Description / Specifications

Description 

The Allen-Bradley 1756-L8SP is a GuardLogix safety partner controller from the ControlLogix series. It is designed to work alongside standard ControlLogix controllers to provide SIL 3/PLe certified safety functionality in industrial automation systems.

 

 

Technical Specifications 

Condition New / Never Used Surplus
Brand Allen-Bradley
Series ControlLogix
Part Number 1756-L8SP
Chassis ControlLogix Series C Chassis
Product type Safety Partner Controller
Compatible configurations Single-controller and multi-controller
Primary controller hardware Not compatible
Power ControlLogix chassis power supply

  

 

Information About 1756-L8SP

The 1756-L8SP is part of the Allen-Bradley GuardLogix safety family, developed specifically for applications requiring integrated safety control. Unlike standard ControlLogix controllers, this safety partner unit is intended for use in both single-controller and multi-controller safety and motion configurations. It plays a critical role in enabling a system to meet SIL 3 and Performance Level e (PLe) requirements, ensuring compliance with global safety standards. The 1756-L8SP cannot operate as a primary controller but is paired with a GuardLogix primary controller to provide redundant safety logic execution. It features a dedicated reset button that functions only during power-up or restart cycles, preventing unintended resets during operation. Installed in a ControlLogix Series C chassis, the 1756-L8SP integrates seamlessly with ControlLogix system components and accessories, ensuring scalability and compatibility within safety-critical machine control environments.

Key Features:

  • Product Type: GuardLogix safety partner controller designed for safety-critical applications.
  • Compatibility: Works with ControlLogix Series C chassis and GuardLogix primary controllers.
  • Safety Standards: Enables compliance with SIL 3 and PLe functional safety levels.
  • Configurations: Supports both single-controller and multi-controller safety and motion system setups.
  • Reset Function: Reset button only effective during power-up or restart for controlled operation.
  • Integration: Fully compatible with a wide range of ControlLogix accessories for seamless system deployment.
  • Operation: Provides safety logic execution not possible with standard ControlLogix controllers.
  • Use Cases: Applied in machine safety, motion safety, and high-integrity industrial automation systems.

The 1756-L8SP delivers the safety, reliability, and compliance required for advanced GuardLogix machine control applications.

 

Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1756-L8SP
Question: What is the purpose of the 1756-L8SP module?
Date Update:03/06/2025
Answer:

The 1756-L8SP is a GuardLogix safety partner controller designed for use in safety-critical industrial automation systems. It enables SIL 3 / PLe rated safety functions when paired with a primary GuardLogix controller. This module ensures compliance with safety standards in hazardous environments and supports both single and multi-controller configurations. It acts strictly as a safety partner, without executing user logic independently.

Question: What is the main difference between ControlLogix and GuardLogix controllers?
Date Update:03/06/2025
Answer:

ControlLogix controllers are standard automation controllers used for process and machine control, whereas GuardLogix controllers include additional safety functionality. GuardLogix controllers meet SIL 3/PLe safety standards and are suitable for applications requiring certified safety logic. They use a paired architecture (primary + safety partner) where the partner (e.g., 1756-L8SP) ensures safety logic integrity. ControlLogix controllers cannot execute safety-rated logic on their own.

Question: What type of memory does the 1756-L8SP contain?
Date Update:03/06/2025
Answer:

The 1756-L8SP itself does not contain user-accessible memory as it is a safety partner and relies on the memory of its paired primary controller. It functions as a co-processor to monitor and validate the execution of safety logic. The safety signature and checksum are synchronized with the main GuardLogix controller. All safety program storage is handled by the primary CPU (e.g., 1756-L81ES).

Question: Can the 1756-L8SP operate as a standalone controller?
Date Update:03/06/2025
Answer:

No, the 1756-L8SP cannot function as a standalone controller. It must be paired with a primary GuardLogix processor, such as the 1756-L81ES, to form a safety-certified system. The module works solely as a partner device, monitoring and validating safety logic execution. It does not run user logic or maintain I/O connections on its own.

Question: Is the 1756-L8SP still in production?
Date Update:03/06/2025
Answer:

Yes, as of 2025, the 1756-L8SP is still in active production by Rockwell Automation. It is widely used in modern GuardLogix safety architectures and continues to receive firmware updates. However, it should be used in accordance with Rockwell’s lifecycle guidelines to ensure future compatibility. Users are encouraged to verify the status via Rockwell’s Product Lifecycle Status tool.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1756-L8SP is a GuardLogix safety partner controller from the ControlLogix series. It is designed to work alongside standard ControlLogix controllers to provide SIL 3/PLe certified safety functionality in industrial automation systems.

 

 

Technical Specifications 

Condition New / Never Used Surplus
Brand Allen-Bradley
Series ControlLogix
Part Number 1756-L8SP
Chassis ControlLogix Series C Chassis
Product type Safety Partner Controller
Compatible configurations Single-controller and multi-controller
Primary controller hardware Not compatible
Power ControlLogix chassis power supply

  

 

Information About 1756-L8SP

The 1756-L8SP is part of the Allen-Bradley GuardLogix safety family, developed specifically for applications requiring integrated safety control. Unlike standard ControlLogix controllers, this safety partner unit is intended for use in both single-controller and multi-controller safety and motion configurations. It plays a critical role in enabling a system to meet SIL 3 and Performance Level e (PLe) requirements, ensuring compliance with global safety standards. The 1756-L8SP cannot operate as a primary controller but is paired with a GuardLogix primary controller to provide redundant safety logic execution. It features a dedicated reset button that functions only during power-up or restart cycles, preventing unintended resets during operation. Installed in a ControlLogix Series C chassis, the 1756-L8SP integrates seamlessly with ControlLogix system components and accessories, ensuring scalability and compatibility within safety-critical machine control environments.

Key Features:

  • Product Type: GuardLogix safety partner controller designed for safety-critical applications.
  • Compatibility: Works with ControlLogix Series C chassis and GuardLogix primary controllers.
  • Safety Standards: Enables compliance with SIL 3 and PLe functional safety levels.
  • Configurations: Supports both single-controller and multi-controller safety and motion system setups.
  • Reset Function: Reset button only effective during power-up or restart for controlled operation.
  • Integration: Fully compatible with a wide range of ControlLogix accessories for seamless system deployment.
  • Operation: Provides safety logic execution not possible with standard ControlLogix controllers.
  • Use Cases: Applied in machine safety, motion safety, and high-integrity industrial automation systems.

The 1756-L8SP delivers the safety, reliability, and compliance required for advanced GuardLogix machine control applications.

 

Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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