Safety-Switch Settings; Unlocking A Safety Switch - ABB ACS6080 User Manual

9.4.7.2

Safety-switch settings

Location
(1)
(2)
(3)
9.4.7.3

Unlocking a safety switch

1. To access the release dial, remove the screw cap.
2. Loosen the locking screw (1) until the release dial can be turned.
3. Turn the release dial from the locked to the unlocked position.
You can now actuate the locking bar and open the doors.
3BHS842007 E01 REV C
Figure 9-12 Safety switch settings
Setting Description
Unlocked Enables opening the door of a medium voltage unit
whether the auxiliary voltage is switched on or off.
Release dial Direction of arrow indicates safety switch status, ie,
locked or unlocked
Locked Normal operating setting.
To open the door of a medium voltage unit, the DC
link must be discharged and the auxiliary voltage
must be switched on.
09 PREVENTIVE AND CORRECTIVE MAINTENANCE
1 2 3
PZ0
1
1
5 mm
ACS6080 USER MANUAL 203/238