Parker AC30 series - Page 97

Safe Torque Off 6-30
AC30V series Variable Speed Drive
Channel A Check:
STO test Comprehensive Check, Activity Expected reaction and effect
6
With drive running and motor turning at SPT1, momentarily disconnect terminal
X10/01 (maximum duration of disconnect = 1 second), while retaining +24V at
terminal X10/03.
Motor must immediately coast to rest.
Drive must report STO trip immediately.
X10/05 and /06 must remain OFF.
7 Ensure terminals X10/01 and X10/03 are both 24V. Try to restart the drive.
Drive must restart at SPT1.
STO trip must clear.
X10/05 and /06 must remain OFF.
Channel B Check:
STO test Comprehensive Check, Activity Expected reaction and effect
8
With drive running and motor turning at SPT1, momentarily disconnect terminal
X10/03 (maximum duration of disconnect = 1 second), while retaining +24V at
terminal X10/01.
Motor must immediately coast to rest.
Drive must report STO trip immediately.
X10/05 and /06 must remain OFF.
9 Ensure terminals X10/01 and X10/03 are both 24V. Try to restart the drive.
Drive must restart at SPT1.
STO trip must clear.
X10/05 and /06 must remain OFF.
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