Rockwell Automation Publication 2198-UM001I-EN-P - May 2019 177
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/IP™ network and the 2198-Hxxx-ERS2 servo drive executes the
STO command.
Certification
The TÜV 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 (PL e) 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
.
Topic Page
Certification 177
Description of Operation 179
Probability of Dangerous Failure Per Hour 181
Safe Torque-off Feature 181
Out-of-Box State 182
Understand Integrated Safety Drive Replacement 183
Replace an Integrated Safety Drive in a GuardLogix System 184
Motion Direct Commands in Motion Control Systems 186
Safe Torque-off Specifications 192
Safe Torque-off Specifications 192
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