ABB PQFM Instruction Manual page 101

Table 42: 'Start, stop and fault acknowledgement' menu functionality according to the filter
Filter status
Filter stopped, no critical error
present (i.e. 'normal' stop
condition)
Filter running, no critical error
present (i.e. 'normal' running
condition)
Filter stopped on critical fault
Filter controlled by remote
control
Remark:
(a) After pushing this button, there is always a validation phase.
(b) In multi-master filter units, this function is available on the master unit that has the control
over the system.
In a multi-unit system, the PQF start, stop and fault acknowledgement menu will only
switch to the ACK. FAULT message when the complete filter system is shut down.
If one of the units of a multi-unit system is shut down due to a fault, this fault can be
acknowledged and
Monitoring/Status of module]). Note that in the reset process the whole system will be
shut down. If the fault of the unit cannot be reset, the ACK. FAULT message will be
displayed again for the unit considered. The filter system can be restarted at any time
and the units that are available will operate normally.
Acknowledging of a fault which resulted in a complete filter system shut down has two
possible consequences:
- If the fault is permanent (e.g. permanent network under voltage due to phase
loss), it cannot be cleared and the message 'ACK. FAULT' will remain on the
display. In this case the cause of the problem has to be identified and removed
before the filter can be restarted.
- If the fault is not present anymore when the 'ACK. FAULT' command is given, the
menu will change into 'PQF START' to indicate that the filter can be restarted.
Fault analysis can be done by consulting the 'PQF Monitoring' menu [/Welcome/PQF
Monitoring]. For more information on the 'PQF monitoring' menu, refer to
If the filter is set up for remote control operation, the local start/stop command has no
effect. Disable
[/Welcome/Settings/Customer set./Digital inputs].
Menu display
PQF START
PQF STOP
ACK. FAULT
PQF START or
PQF STOP or
ACK. FAULT
reset in the
the digital inputs
Manual Power Quality Filter PQFM ç The PQF-Manager user interface 101
status
Pushing
Starting the filter
Stopping the filter
Acknowledging the fault
No action on filter behavior
Display shows message that filter is
controlled by digital input
PQF Monitoring
to override
results in...
(a) (b)
(a) (b)
(a) (b)
menu [/Welcome/PQF
Section 7.10.
the remote control