The Pqf-Manager Locking Facilities - ABB PQFS Installation, Operation And Maintenance Instructions

Table 32
Reset condition after...
Applying power to the filter
Setting up commissioning parameters
Acknowledging fault successfully
7.4

The PQF-Manager locking facilities

In order to prevent unauthorized people to modify any of the active filter settings, switch
on the hardware lock
The hardware lock is switched on by pushing the blue button located at the bottom rear
side of the PQF-Manager with a pointed object (e.g. pencil). When the lock is set:
Once the PQF-Manager is locked, it can be unlocked by pushing the blue button again.
In order to prevent unauthorized people to modify the core installation settings of the
active filter but still giving them access to typical user settings (e.g. harmonics selection,
programming digital outputs, ...), switch on the software lock.
The software lock is switched on in the menu [/Welcome/Settings/Installation set./Install.
Lock].
In order to unlock the system go to the same menu. After giving the appropriate
password, the system will be unlocked. The password is a four-digit number, which is set
by default to 1234. Entering the password is done by choosing the right value with the
and
[/Welcome/Settings/Installation set/Change Password]. Entering the new password is
done by choosing the desired value with the
If hardware and software lock are combined, the hardware lock has priority over the
software lock.
Note: In active filter systems consisting of more than one master, the PQF-Manager of
the master that has the control over the system has full functionality and the PQF-
Managers of the other master units have limited functionality. In practice, the functions
76 The PQF-Manager user interface ç Manual Power Quality Filter PQFS
Figure 66: PQF-Manager display when the user interface is set up
gives an overview of the initialization steps for common reset conditions.
Table 32: Overview of common reset conditions and
corresponding PQF-Manager initialization steps
(Figure 17
·
will appear in the upper left-hand corner of the graphics display
·
will appear next to the menus that are locked. No modification can be made
to the settings
· Most setting values can be consulted
keys and then validating with
PQF-Manager initialization steps
Step 1 and Step 2
Step 1
Step 1
item 4).
. The password can be changed in the menu
and keys and then validating with .