Troubleshoot The Safe Torque-Off Function - Allen-Bradley Kinetix 5700 User Manual

Chapter 9 Kinetix 5700 Safe Torque-off Function
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Troubleshoot the Safe Torque-off Function

For hardwired STO fault code descriptions and possible solutions, see the
Kinetix 5700 Fault Codes.xlsx file attached to this publication. For more
information about the file, see
Figure 143 illustrates when the safe torque-off mismatch is detected and
GuardStopInputFault is posted.
Figure 143 - System Operation when Safety Enable Inputs Mismatch Occurs
Safety Input S1
Safety Input S2
GuardFault
SafeTorqueOffInhibit
GuardOKStatus
GuardGateDriveOutputStatus
GuardStopInputStatus
GuardStopRequestStatus
GuardStopInputFault
When one safety input is turned off, the second input must also be turned off,
otherwise a fault is asserted (see
first safety input is turned on again, without the second input transitioning to
the ON state.
Rockwell Automation Publication 2198-UM002G-EN-P - February 2019
Access the Attachments
1 Second Descrepancy Limit
No Fault
OK
No Fault
Figure 144). The fault is asserted even if the
on page 13.
Faulted
Start Inhibited
Not OK
Torque Disabled
Stop Requested
Faulted