Commissioning and Operation
‑83‑
Step
Action Result
6.3
Test the STO channel 2 when the motor is running:
Set STO1 and STO2 to "H".
Start the drive and ensure the motor is running.
Awake the STO function by de‑energizing (low state or open‑circuit)
the STO input signal 2.
Ensure that the motor stops and the drive trips.
Reset the fault and try to start the drive.
Ensure that the motor stays at a standstill and the keypad of the drive
displays "E150.1".
6.4
Set STO2 to "H" and disable the ON/RUN command of the drive.
Then, reset the drive automatically and enable ON/RUN command of
the drive. Finally, check whether the motor runs normally.
7
Document and sign the acceptance test report which verifies that the
safety function is safe and acceptable for operation.
Special requirements
You must conduct STO diagnosis every three month by powering off and powering on
the drive once, or running the STO function once.
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