Rockwell Automation 22А PowerFlex DriveGuard Safe-Off User Manual - Series B - Manual

User Manual
Safe Torque Off Option (Series B)
for PowerFlex 40P and PowerFlex 70
Enhanced Control AC Drives
Catalog Number 20A-DG01
Original Instructions
Topic Page
General Description 2
What Is the DriveGuard Safe Torque Off Option? 2
Certifications and Compliance 3
CE Certification 4
Certified Equipment 5
Important Safety Considerations 5
Safe State 6
Safety Category 3 / PL (d) Performance Definition 6
Stop Category Definitions 7
Performance Level and Safety Integrity Level (SIL) CL2 7
PFD and PFH Definitions 7
PFD and PFH Data 8
Functional Proof Tests 9
Contact Information if Safety Option Failure Occurs 9
Installation and Wiring 10
Pre-Installation Instructions 10
EMC Considerations 11
DriveGuard Safe Torque Off Option Installation 11
Wiring 15
Verify Operation 16
Description of Operation 18
PowerFlex 40P Safe Torque Off Operation 18
PowerFlex 70 Safe Torque Off Operation 19
Connection Examples 20
PFLEX-UM003.fm Page 1 Wednesday, July 18, 2012 8:26 AM