Use of the safety function
Contents of this chapter
This chapter describes the use of the safety function with factory default settings.
Activating the safety function
Activation procedure:
1. Push the emergency stop button [S61]. The emergency stop is activated and the button
locks in the “ON” (open) position.
When the emergency stop is active, the following indications are shown:
• the inverter unit control program has the warning
Emergency stop
active
• the supply unit control program has the warning
Emergency stop
active
• the emergency stop reset button indicator light [S62] on the cabinet door is on.
If configured with parameter
31.22 STO indication run/stop
, an indication for Safe torque
off is shown when the drive STO is activated.
Resetting the safety function
WARNING!
Make sure that the drive does not start accidentally. This can occur after the reset
of the safety function, if a level-triggered start command and the start enable signal
are on at the same time.
1. Turn the emergency stop button [S61] until it releases.
2. Push the emergency stop reset button [S62] on the cabinet door for 0.1 … 3 seconds.
The emergency stop reset button indicator light [S62] goes off, and the emergency stop
is deactivated.
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Use of the safety function 23