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
Regular price
$1,524.00
Sale price
$1,524.00
Regular price
6 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
Allen Bradley 1756-L8SP ControlLogix GuardLogix 5580 Safety Partner Processor, requires one for each GuardLogix L8 Controller
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Product Description P/N: 1756-L8SP

Description / Specifications

Description 

The Allen-Bradley 1756-L8SP GuardLogix safety partner controller is manufactured to control industrial machines safely and efficiently.

 

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 Allen-Bradley 1756-L8SP GuardLogix safety partner controller is manufactured to control industrial machines safely and efficiently. The Allen-Bradley 1756-L8SP GuardLogix safety partner controller is compatible with a variety of ControlLogix accessories and it is similar to the ControlLogix controllers, but it is better suited for safety applications. For example, ControlLogix controllers cannot be used for applications that require safety logic or safety connections, and GuardLogix controllers should be used instead.

The Allen-Bradley 1756-L8SP GuardLogix safety partner controller can be used in motion and safety configuration with a single controller as a safety partner device. It can also be used as a safety partner device in a multi-controller motion and safety machine configuration. The Allen-Bradley 1756-L8SP GuardLogix safety partner controller is essential for a machine to reach the SIL 3/PLe safety level. This safety partner controller can be reset with its reset button, but it can only be reset during the power-up or the restarting process. Trying to reset the safety partner controller at any other time will not damage the controller or lose any data, but the reset button will have no effect.

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.
QElectro 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 GuardLogix safety partner controller is manufactured to control industrial machines safely and efficiently.

 

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 Allen-Bradley 1756-L8SP GuardLogix safety partner controller is manufactured to control industrial machines safely and efficiently. The Allen-Bradley 1756-L8SP GuardLogix safety partner controller is compatible with a variety of ControlLogix accessories and it is similar to the ControlLogix controllers, but it is better suited for safety applications. For example, ControlLogix controllers cannot be used for applications that require safety logic or safety connections, and GuardLogix controllers should be used instead.

The Allen-Bradley 1756-L8SP GuardLogix safety partner controller can be used in motion and safety configuration with a single controller as a safety partner device. It can also be used as a safety partner device in a multi-controller motion and safety machine configuration. The Allen-Bradley 1756-L8SP GuardLogix safety partner controller is essential for a machine to reach the SIL 3/PLe safety level. This safety partner controller can be reset with its reset button, but it can only be reset during the power-up or the restarting process. Trying to reset the safety partner controller at any other time will not damage the controller or lose any data, but the reset button will have no effect.

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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