Sto Fault Reset - Allen-Bradley Kinetix 5700 User Manual

STO Fault Reset

IMPORTANT This section applies to 2198-xxxx-ERS3 drives. For fault reset on
To clear the STO Fault condition, a transition from logic 0 to 1 of the
SO.Reset tag is required after the SO.SafeTorqueOff tag has transitioned from
logic 0 to 1.
If the Kinetix 5700 servo drive safety controller detects a fault, the input
assembly tag SI.SafetyFault is set to 1.
To reset Axis.SafetyFault, an MAFR command must be issued.
IMPORTANT Transition of the SO.SafeTorqueOff tag to logic 1 must always be
IMPORTANT All Kinetix 5700 inverter axes enter the faulted state if any STO function
Refer to Figure 116
functionality.
Figure 116 - Reset Safe Torque-off Fault Diagram
Drv:SO.SafeTorqueOff
Drv:SO.ResetRequest
Drv:SI.TorqueDisabled
Drv:SI.SafetyFault
Drv:SI.ResetRequired
Axis.SafetyFault
Axis.SafeTorqueOffActiveInhibit
Axis.SafetyFaultStatus
Axis.SafetyResetRequestStatus
Axis.SafetyResetRequiredStatus
Axis.SafeTorqueOffActiveStatus
Axis.SafeTorqueDisabledStatus
Axis.SafeTorqueOffFault
Rockwell Automation Publication 2198-UM002E-EN-P - February 2018
Kinetix 5700 Safe Torque-off Function
2198-xxxx-ERS4 drives, see the Kinetix 5700 Safe Monitor Functions
Safety Reference Manual, publication 2198-RM001.
executed prior to transition of the SO.Reset tag to logic 1.
fault is detected. Refer to Table 139
troubleshooting.
for an understanding of the Kinetix 5700 STO state restart
Safety Fault Occurs
Disable Torque
Torque Permited
Torque Disabled
No Fault
Reset Not Required
Faulted (cleared by MAFR)
No Fault
Start Permitted
Start Inhibitted
No Fault
Faulted
S0.ResetRequest
Reset Not Required
Reset Required
Permit Torque
Disable Torque
Torque Permited
Torque Disabled
No Fault
Chapter 9
for integrated safety
Permit Torque
265