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Allen-Bradley 1756-L72S GuardLogix 5570 safety controller, 4MB standard memory, SIL 3, ControlLogix, dual-processor, industrial automation.

Allen-Bradley 1756-L72S

SKU: 1756-L72S
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$2,400.00
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Allen-Bradley 1756-L72S | High-Integrity Safety Controller for Demanding ControlLogix Applications

Overview

The Allen-Bradley 1756-L72S is a GuardLogix 5570 safety controller with integrated standard and safety control in a single platform. With 4MB standard memory and SIL 3/PLe capability, this controller is ideal for applications that require both complex logic and certified safety functionality in a ControlLogix system.

Key Features

  • Part of the ControlLogix 5570 and GuardLogix safety controller family

  • 4MB standard user memory

  • 1.5MB safety memory

  • Safety Integrity Level (SIL) 3 / Performance Level e (PLe)

  • Dual-processor architecture for safety and standard control separation

  • Supports Studio 5000 Logix Designer

  • Integrated motion, discrete, batch, and process control

  • Embedded USB port for programming

  • Compatible with ControlNet, EtherNet/IP, and DeviceNet via communication modules

  • Hot-swappable within a ControlLogix chassis

  • Extensive diagnostics and fault handling

Technical Specifications

  • Catalog Number: 1756-L72S

  • User Memory: 4MB (standard) + 1.5MB (safety)

  • Safety: SIL 3, PLe, Category 4

  • Battery: 1756-BA2 (nonvolatile memory backup)

  • Programming Software: Studio 5000 Logix Designer

  • Backplane Current: 1.2A @ 5.1V DC

  • Operating Temperature: 0°C to 60°C

  • Mounting: ControlLogix chassis (1756 series)

  • Certifications: TÜV, UL, CE, CSA, ATEX, RoHS

Applications

  • Safety-critical systems

  • Oil & gas and chemical plants

  • Machine safety and interlocking

  • Material handling systems

  • High-availability industrial automation

Why Choose the 1756-L72S?

  • Combines standard and safety control in one module

  • High-performance processing for complex safety logic

  • Easily integrates into existing ControlLogix systems

  • Reduces hardware and wiring costs in safety applications

  • Backed by Rockwell Automation's reliability and global support

Order Now

Available and ready to ship. 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Allen-Bradley 1756-L72S | High-Integrity Safety Controller for Demanding ControlLogix Applications

Overview

The Allen-Bradley 1756-L72S is a GuardLogix 5570 safety controller with integrated standard and safety control in a single platform. With 4MB standard memory and SIL 3/PLe capability, this controller is ideal for applications that require both complex logic and certified safety functionality in a ControlLogix system.

Key Features

  • Part of the ControlLogix 5570 and GuardLogix safety controller family

  • 4MB standard user memory

  • 1.5MB safety memory

  • Safety Integrity Level (SIL) 3 / Performance Level e (PLe)

  • Dual-processor architecture for safety and standard control separation

  • Supports Studio 5000 Logix Designer

  • Integrated motion, discrete, batch, and process control

  • Embedded USB port for programming

  • Compatible with ControlNet, EtherNet/IP, and DeviceNet via communication modules

  • Hot-swappable within a ControlLogix chassis

  • Extensive diagnostics and fault handling

Technical Specifications

  • Catalog Number: 1756-L72S

  • User Memory: 4MB (standard) + 1.5MB (safety)

  • Safety: SIL 3, PLe, Category 4

  • Battery: 1756-BA2 (nonvolatile memory backup)

  • Programming Software: Studio 5000 Logix Designer

  • Backplane Current: 1.2A @ 5.1V DC

  • Operating Temperature: 0°C to 60°C

  • Mounting: ControlLogix chassis (1756 series)

  • Certifications: TÜV, UL, CE, CSA, ATEX, RoHS

Applications

  • Safety-critical systems

  • Oil & gas and chemical plants

  • Machine safety and interlocking

  • Material handling systems

  • High-availability industrial automation

Why Choose the 1756-L72S?

  • Combines standard and safety control in one module

  • High-performance processing for complex safety logic

  • Easily integrates into existing ControlLogix systems

  • Reduces hardware and wiring costs in safety applications

  • Backed by Rockwell Automation's reliability and global support

Order Now

Available and ready to ship. 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Allen-Bradley 1756-L72S

Allen-Bradley 1756-L72S

$2,400.00
Add to wishlist
Allen-Bradley 1756-L72S

Allen-Bradley 1756-L72S

Your Price:
$2,400.00
Item Added to Your Cart
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