Rockwell Automation Allen-Bradley PowerFlex 750 Series User Manual

Rockwell Automation Publication 750-UM002H-EN-P - February 2017 5
Preface
This manual explains how PowerFlex® 750-Series Safe Torque Off option
module can be used in Safety Integrity Level (SIL) CL3, Performance Level
[PLe], or Category (CAT.) 3 applications. It describes the safety requirements,
including PFD and PFH values and application verification information, and
provides information on installing, configuring, and troubleshooting the Safe
To r q u e O ff o p ti o n mo du l e .
Use this manual if you are responsible for designing, installing, configuring, or
troubleshooting safety applications that use the PowerFlex 750-Series Safe
To r q u e O ff o p ti o n mo du l e .
The 20-750-S Safe Torque Off option module applies to the following
PowerFlex 750-Series drives:
• PowerFlex 755TL low-harmonic, non-regenerative drives
• PowerFlex 755TR regenerative drives
• PowerFlex 755TM drive systems with regenerative bus-supplies and
common-bus inverters
• PowerFlex 755 AC drives
• PowerFlex 753 AC drives
Throughout this manual, PowerFlex 755T drive products is used to refer to
PowerFlex 755TL drives, PowerFlex 755TR drives, and PowerFlex 755TM
drive systems.
We recommend that you have a basic understanding of the electrical circuitry
and familiarity with these products. You must also be trained and experienced
in the creation, operation, and maintenance of safety systems.
Summary of Changes
This manual contains new and updated information as indicated in the
following table.
Topic Page
Added safety specifications (including PFD and PFH values) for PowerFlex 755T drive products. 12
Updated the Safe State information and added Safety Reaction Time specifications for PowerFlex
755T drive products.
13
Updated Access the Drive Control Pod with references to PowerFlex 755T drive products. 16…19
Updated jumper setting figures and added figure for PowerFlex 755T drive products. 20…21
Added Remove Power From the Drive System. 21
Updated Stop Category Wiring Examples with Guardmaster® safety relays. 30…33
Added Stop Category Wiring Example with POINT Guard I/O™ modules. 34
Updated Environmental Specifications table. 36

Rockwell Automation Allen-Bradley PowerFlex 750 Series Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley PowerFlex 750 Series
Category	DC Drives
Language	English