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
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 drive control program has the indication Safe torque off and warning Emergency
stop (off1 or off3) active,
• the emergency stop reset button indicator light [S62] on the cabinet door is on after
the emergency stop deceleration ramp time has passed
• the ON LED of the emergency stop safety relay [A61] is green and steady.
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!
If the drive start signal is on, and the operating switch is set to ON (1), the drive
starts automatically after the reset.
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 indication lamp of the emergency stop reset button [S62] goes off, the emergency
stop safety relay [A61] resets and the emergency stop deactivates.
3. Reset faults from the drive, if necessary.
6
Use of the safety function 33
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