Rockwell Automation Publication 2198-UM001M-EN-P - November 2022 165
Chapter 10
Kinetix 5500 Safe Torque Off - Integrated Safety
The 2198-Hxxx-ERS2 servo drives are equipped for integrated Safe Torque Off
(STO). The integrated STO function meets the requirements of Performance
Level e (PLe) and safety category 3 (CAT 3) per ISO 13849-1, and SIL 3 per IEC
61508, IEC 61800-5-2, and IEC 62061.
With integrated safety, the GuardLogix® 5570 or Compact GuardLogix 5570
safety controller issues the Safe Torque Off (STO) command over the
EtherNet/IPâ„¢ network and the 2198-Hxxx-ERS2 servo drive executes the STO
command.
Certification The TÃœV Rheinland group has approved 2198-Hxxx-ERS2 servo drives with
integrated Safe Torque Off for use in safety-related applications up to
ISO 13849-1, Performance Level e (PLe) and Category 3, SIL CL 3 per IEC 61508,
IEC 61800-5-2, and IEC 62061, in which removing the motion producing power
is considered to be the safe state.
For product certifications currently available from Rockwell Automation, go to
website rok.auto/certifications
.
Important Safety Considerations
You, the system user, are responsible for the following:
• Validation of any sensors or actuators that are connected to the system
• Completing a machine-level risk assessment
• Certification of the machine to the desired ISO 13849-1 Performance
Level or IEC 62061 SIL level
• Project management and proof testing performed in accordance with
ISO 13849
Topic Page
Certification 165
Description of Operation 167
Probability of Dangerous Failure Per Hour 168
Safe Torque Off Feature 169
Out-of-Box State 169
Understand Integrated Safety Drive Replacement 171
Replace an Integrated Safety Drive in a GuardLogix System 171
Motion Direct Commands in Motion Control Systems 173
Safe Torque Off Specifications 178
Safe Torque Off Specifications 178
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