Action
We recommend that you monitor these signals with the Drive composer PC tool:
• 01.01 Motor speed used (rpm)
• 01.02 Motor speed estimated (rpm)
• 01.07 Motor current (A)
• 01.10 Motor torque (%)
• 23.01 Speed ref ramp input (rpm)
• 23.02 Speed ref ramp output (rpm)
• 90.01 Motor speed for control (rpm)
• When using an encoder, also: 90.10 Encoder 1 speed (rpm)
Make sure that it is safe to start, run and stop the motor(s) during the test.
Start the drive and make sure that the motor is running. Then stop the motor. The POUS function should
be activated only when the motor is stopped.
Activate the POUS function by switching off the POUS switch.
Make sure that the control panel displays a related warning. See sections Operation principle and Ac-
tivating the safety function.
Make sure that the POUS indication lamp switches on.
Make sure that you cannot start the drive from any control location: Switch the external start signal off
and on (in the external control mode) or press the start key of the control panel (in the local control
mode).
Deactivate the POUS function by switching on the POUS switch. Make sure that the drive does not restart
directly after deactivation.
Make sure that the POUS indication lamp switches off and the related warning is no longer shown.
Make sure that "STO hardware failure" (5090) is not generated. If the failure occurs, see section Fault
tracing.
Switch off the drive start signal. If the drive generates a fault message, reset the drive.
Restart the drive and ensure that the drive and the motor operate normally.
Fill in and sign the acceptance test report which verifies that the safety function is safe and accepted
for operation.
Start-up and acceptance test 25
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