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Allen-Bradley 20-750-S1 Safe Speed Monitor module for PowerFlex 750 drives

Allen-Bradley 20-750-S1

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Allen-Bradley 20-750-S1 Safe Speed Monitor Module for PowerFlex 750

Overview

The Allen-Bradley 20-750-S1 is a Safe Speed Monitor (SSM) module designed for use with PowerFlex 750-Series AC drives, enabling functional safety capabilities in accordance with industry standards. This option module allows safe speed, direction, and stop monitoring—supporting advanced safety functions without requiring external encoders or relays.

Key Features

  • Enables safety-rated speed monitoring for PowerFlex 750 drives

  • Supports Safe Stop 1 (SS1), Safe Stop 2 (SS2), Safe Limited Speed (SLS), and Safe Direction (SDI)

  • Five digital safety-rated inputs

  • Three sets of safety-rated relay outputs

  • One bipolar safety output

  • Helps achieve up to SIL 3 / PLe safety integrity levels

  • Reduces system wiring and complexity

Technical Specifications

  • Manufacturer: Allen-Bradley / Rockwell Automation

  • Part Number: 20-750-S1

  • Module Type: Safe Speed Monitor (SSM)

  • Drive Compatibility: PowerFlex 750-Series (e.g., 753, 755)

  • Safety Inputs: 5 digital inputs

  • Safety Outputs: 3 relay output sets, 1 bipolar output

  • Certifications: SIL 3 (IEC 61508), PLe (ISO 13849-1)

  • Power Supply: Powered through the drive backplane

  • Mounting: Internal drive-mounted option

Applications

  • Functional safety in industrial automation

  • Packaging, material handling, and heavy machinery

  • Applications requiring safe speed and direction monitoring

  • Safety zones with reduced risk and downtime

Benefits

  • Helps achieve compliance with global safety standards

  • Reduces need for external safety relays

  • Improves personnel protection and productivity

  • Simplifies design and speeds up commissioning

  • Integrated safety reduces panel space

Shipping & Availability

The Allen-Bradley 20-750-S1 Safe Speed Monitor Module is available for immediate shipping worldwide. 

PowerFlex 750-Series I/O, Feedback & Power Option Modules

Allen-Bradley Industrial Automation Products

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 20-750-S1 Safe Speed Monitor Module for PowerFlex 750

Overview

The Allen-Bradley 20-750-S1 is a Safe Speed Monitor (SSM) module designed for use with PowerFlex 750-Series AC drives, enabling functional safety capabilities in accordance with industry standards. This option module allows safe speed, direction, and stop monitoring—supporting advanced safety functions without requiring external encoders or relays.

Key Features

  • Enables safety-rated speed monitoring for PowerFlex 750 drives

  • Supports Safe Stop 1 (SS1), Safe Stop 2 (SS2), Safe Limited Speed (SLS), and Safe Direction (SDI)

  • Five digital safety-rated inputs

  • Three sets of safety-rated relay outputs

  • One bipolar safety output

  • Helps achieve up to SIL 3 / PLe safety integrity levels

  • Reduces system wiring and complexity

Technical Specifications

  • Manufacturer: Allen-Bradley / Rockwell Automation

  • Part Number: 20-750-S1

  • Module Type: Safe Speed Monitor (SSM)

  • Drive Compatibility: PowerFlex 750-Series (e.g., 753, 755)

  • Safety Inputs: 5 digital inputs

  • Safety Outputs: 3 relay output sets, 1 bipolar output

  • Certifications: SIL 3 (IEC 61508), PLe (ISO 13849-1)

  • Power Supply: Powered through the drive backplane

  • Mounting: Internal drive-mounted option

Applications

  • Functional safety in industrial automation

  • Packaging, material handling, and heavy machinery

  • Applications requiring safe speed and direction monitoring

  • Safety zones with reduced risk and downtime

Benefits

  • Helps achieve compliance with global safety standards

  • Reduces need for external safety relays

  • Improves personnel protection and productivity

  • Simplifies design and speeds up commissioning

  • Integrated safety reduces panel space

Shipping & Availability

The Allen-Bradley 20-750-S1 Safe Speed Monitor Module is available for immediate shipping worldwide. 

PowerFlex 750-Series I/O, Feedback & Power Option Modules

Allen-Bradley Industrial Automation Products

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 20-750-S1

Allen-Bradley 20-750-S1

$1,210.00
Add to wishlist
Allen-Bradley 20-750-S1

Allen-Bradley 20-750-S1

Your Price:
$1,210.00
Item Added to Your Cart
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