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OPERATION
PRODUCT
ACS1000W
DOCUMENT KIND
User manual
DOCUMENT ID.
3BHS213400 E01
REV.
J
LANG.
en
PAGE
116/166
9.9. Emergency
-
off
The drive is equipped with a hard-wired emergency off circuit. When an emergency
situation occurs during operation, this safety feature ensures that the drive can be
disconnected without delay from the main power supply. If the
EMERGENCY
-
OFF
push button has been pressed while the drive is at standstill, the main power
supply cannot be connected to the drive, hence the drive cannot be started up.
The
EMERGENCY
-
OFF
push button of the drive is part of the operator control panel
1) and features a latching switch action.
IMPORTANT!
Pressing the
EMERGENCY
-
OFF
push button does not disconnect the
auxiliary power supply from the drive.
9.9.1. Initiating an emergency
-
off
To initiate an emergency off, press the
EMERGENCY
-
OFF
push button on the
control compartment door, or an external
EMERGENCY
-
OFF
push button (if
present) linked to the emergency
-
off circuit.
When an emergency
-
off is initiated during drive operation, the following takes
place:
–
MCB opens
–
Drive coasts down
–
Status line of the CDP control panel displays the message
Emerg Off
–
The DC link of the drive discharges.
1 L ->
600.0 rpm
ACS 1000
*** FAULT ***
Emerg Off
1L ->
600.0 rpm
ACS 1000
*** FAULT ***
Emerg Off