ABB PQFS Installation, Operation And Maintenance Instructions page 73

In addition to the main functions, the PQF-Manager also incorporates:
· A digital output contact monitor located at the top of the screen (Cf.
item 3). When the PQF-Manager closes one of its six digital output relays (Cf.
Chapter 6) the corresponding symbol lights up. When the relay considered opens
again, the symbol disappears.
· An indicator showing when the PQF-Manager's alarm contact has been activated
(Cf. Figure 60, item 4). For the conditions under which the alarm contact is
switched on, refer to
indicator switches off.
In order to navigate through the menus of the PQF-Manager, the keypad (Cf.
item 1) has to be used. The starting point for the navigation after a power up is the
'Welcome' screen. The item selected is highlighted (e.g. the 'Measurements' menu in
Figure 60). The keypad and its basic functions are shown in
Refer to Table 31 for an explanation on the basic functions of the keypad buttons.
Table 31: PQF-Manager keypad button explanation
Item Description
(a)
1 Help key
Provides on-line help on the highlighted item
(b)
2
Escape key
To go back to the previous window or to leave the current menu or item selection without
making changes
3
Up and down arrows
To go up or down the item list or to go left (
or decrease a value
4 (b)
OK key
To go to the next submenu or to validate a modification or an operation
Remark:
(a)
On some items, help is not available. In that case pressing the Help key will have no
effect.
(b)
Depending on the menu, this key has a different meaning.
(c)
Depending on the menu, these keys have a different meaning.
Table 26 When the alarm condition has disappeared, the
Figure 62: Keypad of the PQF-Manager
(c)
) or right (
Manual Power Quality Filter PQFS ç The PQF-Manager user interface 73
Figure 60
Figure 60
Figure 62.
) in the item list or to increase