118 Rockwell Automation Publication 2198-UM002L-EN-P - October 2021
Chapter 4 Connector Data and Feature Descriptions
Functional Safety Features Kinetix 5700 servo drives have safe torque-off (STO) capability and can safely
turn off the inverter power transistors in response to the removal of the STO
digital inputs, resulting in Stop Category 0 behavior. Hardwired and
integrated safety options are available on all Kinetix 5700 servo drives.
Hardwired STO Mode
Hardwired safe torque-off (STO) mode supports parallel input terminals for
cascading to adjacent drives over duplex wiring. For applications that do not
require the safety function you must install jumper wires to bypass the safe
torque-off feature. This applies to 2198-xxxx-ERS3 and 2198-xxxx-ERS4
inverters.
Refer to Hardwired Safe Torque-off
on page 291 for the STO connector pinout,
installation, and wiring information.
Integrated Mode
For 2198-xxxx-ERS3 inverters in integrated STO mode, when any GuardLogix®
or Compact GuardLogix safety controller issues the safe torque-off (STO)
command over the EtherNet/IP network and the Kinetix 5700 drives execute
the STO commands.
Refer to Integrated Safe Torque-off
on page 302 for integrated safety drive
specifications, configuring motion and safety connections, direct motion
commands, and the STO bypass feature.
For 2189-xxxx-ERS4 inverters in integrated mode, the GuardLogix 5580 or
Compact GuardLogix 5380 safety controller activates the Monitored SS1
stopping function or any of the Drive Safety instructions providing controller-
based safety functions over the EtherNet/IP network.
For 2189-xxxx-ERS4 and 2189-xxxx-ERS3 (series B) drives, Timed SS1 and STO
are drive-based safety functions that are activated by the GuardLogix 5580 or
Compact Guardlogix 5380 controller over the
EtherNet/IP network.
Refer to the Kinetix 5700 Safe Monitor Functions Safety Reference Manual,
publication 2198-RM001
, for a description and configuration examples of the
integrated stopping functions in the Studio 5000 Logix Designer application.
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