PowerFlex 755/755T Integrated Safety Functions

1 PowerFlex 755/755T Integrated Safety Functions Option Module Catalog Numbers 20-750-S4, 20-750-S4-XTUser ManualOriginal Instructions2 Rockwell Automation Publication 750-UM005E-EN-P - April 2022 PowerFlex 755/755T Integrated Safety Functions Option Module User ManualImportant User InformationRead this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product. Users are required to familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws, and including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to be carried out by suitably trained personnel in accordance with applicable code of this equipment is used in a manner not specified by the manufacturer.

2 The protection provided by the equipment may be no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and patent liability is assumed by Rockwell Automation, Inc.

3 With respect to use of information, circuits, equipment, or software described in this of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is this manual, when necessary, we use notes to make you aware of Safety may also be on or inside the equipment to provide specific R N I N G : Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic : Identifies information about practices or circumstances that can lead to personal injury or death, property damage, or economic loss.

4 Attentions help you identify a hazard, avoid a hazard, and recognize the information that is critical for successful application and understanding of the HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may be HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach dangerous FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to potential Arc Flash.

5 Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).Rockwell Automation Publication 750-UM005E-EN-P - April 20223 Table of ContentsPreface .. 9 Summary of Changes .. 9 Conventions .. 10 Terminology .. 10 Product Firmware and Release Notes .. 12 Additional Resources .. 13 Chapter 1 About Safe Stop and Safe Monitor FunctionsWhat Is the Integrated Safety Functions Option Module?

6 15 Compatible Drives .. 17 Compatible Safety Controllers .. 17 Safety Application Requirements .. 18 Safety Certification.. 18 Proof Tests .. 20 PFDavg and PFH Definitions .. 20 PFDavg and PFH Data .. 21 Safety Reaction Time .. 24 Considerations for Safety Ratings.. 24 Encoder Considerations .. 24 Contact Information If Safety Option Failure Occurs .. 28 Chapter 2 InstallationRemove Power to the System .. 32 Access the Control Pod .. 32 Set the Safety and Hardware ENABLE Jumpers .. 33 Install the Safety Option Module.

7 34 Feedback Installation Guidelines.. 36I/O Wiring .. 37 Cabling .. 37 Power Supply Requirements .. 38 Chapter 3 Safety I/OSafety Inputs.. 41 Safety Input Operation .. 41 Latch Input Error Operation in Single Channel Mode .. 43 Single Channel Safety Input Status Data .. 44 Dual-channel Safety Input Operation .. 45 Equivalent Dual-channel Input Operation.. 46 Complementary Dual-channel Input Operation .. 47 Standard Input Operation.. 48 Safety Input Safety Data .. 48 Safety Input Alarms.

8 51 Determining Safety Input Alarm Type .. 52 Safety Input Alarm Recovery .. 534 Rockwell Automation Publication 750-UM005E-EN-P - April 2022 Table of ContentsInput Delays .. 53 Use With PowerFlex 750-Series ATEX Option Module .. 54 Safety Outputs .. 54 Safety Output with Test Pulse .. 54 Single-channel Mode .. 55 Latch Output Error Operation in Single Channel Mode .. 56 Dual-channel Mode .. 57 Latch Output Error Operation in Dual Channel Mode .. 57 Safety Output Safety Data.. 59 Commanding Safety and Test Outputs.

9 61 Safety Output Alarms.. 62 Determining Safety Output Alarm Type .. 63 Safety Output Alarm Recovery .. 64 Test Output .. 64 Standard Output Mode .. 65 Test Output Mode .. 65 Power Supply Output.. 65 Test Output Data .. 65 Test Output Status .. 66 Test Output Ready .. 66 Chapter 4 Drive-based Safe Stop FunctionsSafety Output Assembly Safe Stop Function Tags .. 69 Safety Input Assembly Safe Stop Function Tags.. 70 Safety Function in Response to Connection Event .. 72 Connection Loss Action.

10 72 Connection Idle Action .. 73 Safe Torque Off Function .. 73 Safe Torque Off Activation .. 74 Safe Torque Off Reset .. 74 Safe Torque Off Delay .. 75 Safe Torque Off Operation.. 76 Safe Torque Off Stopping Action and Source .. 78 STO Safety Fault .. 79 Safe Stop 1 Function .. 80 Safe Stop 1 Activation .. 80 Safe Stop 1 Reset .. 81 Safe Stop 1 Stopping Action and Source .. 82 Timed Safe Stop 1 .. 82 Monitored Safe Stop 1 .. 83SS1 Safety Fault .. 86 Safe Brake Control Function .. 87 Safe Brake Control Activation.