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Allen-Bradley 1756-L71S

SKU: 1756-L71S
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$3,118.00
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Allen-Bradley 1756-L71S

Overview

The 1756-L71S is a high-performance GuardLogix safety controller from Allen-Bradley, providing integrated standard and safety control in a single platform. With 2MB standard memory and 1MB safety memory, it meets the requirements for applications needing SIL 3 and PLe compliance. Designed for use with a 1756-L7SP safety partner, this controller supports complex motion, process, and machine control systems.


Key Features

  • 2MB standard user memory

  • 1MB safety memory

  • Supports up to 128,000 digital and 4,000 analog I/O

  • 1 USB port for programming

  • 100 motion axes support

  • Programming: Ladder, ST, FBD, SFC (safety: ladder only)

  • Non-volatile memory via included 1GB SD card (1784-SD1)

  • Requires 1756-ESMCAP energy storage module (no battery needed)


Technical Specifications

  • Catalog Number: 1756-L71S

  • Controller Type: GuardLogix 5570

  • Standard Memory: 2MB

  • Safety Memory: 1MB

  • Backplane Current Draw: 5.1V DC @ 800 mA

  • Thermal Dissipation: 8.5 BTU/hr

  • Operating Temp: 0°C to 60°C (32°F to 140°F)

  • Storage Temp: -40°C to 85°C (-40°F to 185°F)

  • Humidity: 5–95% non-condensing

  • Certifications: UL, CE, TÜV, KC, CCC, ATEX, SIL 3, PLe


Applications

  • Integrated standard and safety control

  • Motion and process automation with safety needs

  • Systems requiring SIL 3 or PLe safety levels

  • Complex machine builds needing high I/O capacity


Why Choose the 1756-L71S?

  • Combines standard logic and safety in one controller

  • Scalable for small to large safety-critical systems

  • Simplifies design and maintenance of compliant safety architectures

  • Trusted Allen-Bradley reliability and long lifecycle support


 

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-L71S

Overview

The 1756-L71S is a high-performance GuardLogix safety controller from Allen-Bradley, providing integrated standard and safety control in a single platform. With 2MB standard memory and 1MB safety memory, it meets the requirements for applications needing SIL 3 and PLe compliance. Designed for use with a 1756-L7SP safety partner, this controller supports complex motion, process, and machine control systems.


Key Features

  • 2MB standard user memory

  • 1MB safety memory

  • Supports up to 128,000 digital and 4,000 analog I/O

  • 1 USB port for programming

  • 100 motion axes support

  • Programming: Ladder, ST, FBD, SFC (safety: ladder only)

  • Non-volatile memory via included 1GB SD card (1784-SD1)

  • Requires 1756-ESMCAP energy storage module (no battery needed)


Technical Specifications

  • Catalog Number: 1756-L71S

  • Controller Type: GuardLogix 5570

  • Standard Memory: 2MB

  • Safety Memory: 1MB

  • Backplane Current Draw: 5.1V DC @ 800 mA

  • Thermal Dissipation: 8.5 BTU/hr

  • Operating Temp: 0°C to 60°C (32°F to 140°F)

  • Storage Temp: -40°C to 85°C (-40°F to 185°F)

  • Humidity: 5–95% non-condensing

  • Certifications: UL, CE, TÜV, KC, CCC, ATEX, SIL 3, PLe


Applications

  • Integrated standard and safety control

  • Motion and process automation with safety needs

  • Systems requiring SIL 3 or PLe safety levels

  • Complex machine builds needing high I/O capacity


Why Choose the 1756-L71S?

  • Combines standard logic and safety in one controller

  • Scalable for small to large safety-critical systems

  • Simplifies design and maintenance of compliant safety architectures

  • Trusted Allen-Bradley reliability and long lifecycle support


 

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-L71S

Allen-Bradley 1756-L71S

$3,118.00
Add to wishlist
Allen-Bradley 1756-L71S

Allen-Bradley 1756-L71S

Your Price:
$3,118.00
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