Operation principle and hardware description   31
 Door switches and lights
Main switch-disconnector Q1
The switch-disconnector handle switches the main voltage to the drive on and off.
Label in English Label in local 
language
Description
1 READY - Ready pilot light (option +G327)
2 RUN - Run pilot light (option+G328)
3 FAULT - Fault pilot light (option +G329)
4
MAIN CONT. - Operating switch with option +F250
5 EMERGENCY 
STOP RESET
- Emergency stop reset push button with option +Q951
6 EMERGENCY 
STOP
- Emergency stop push button with option +Q951
The layout depends on the options selected.
0 Opens the main contactor (Q2) and disables starting of 
the drive
1 Closes the main contactor (Q2)