Control During Operation
7-46 7SA522 Manual
C53000-G1176-C119-2
7.4.7 Switching Mode
The switching mode can be changed during operation; so, for example, non-inter-
locked switching can be enabled during the commissioning of the installed equipment.
From the
Device Front
With a device ready for operation, first press the key. The 0$,10(18 appears.
Using the key, select the menu item &RQWURO and move to editing the control func-
tions with the key. The selection &21752/ appears.
Here, select the menu item 6ZLWFK0RGH with the key and switch to the next se-
lection using the key. The selection 6:,7&+02'( appears (see Figure 7-52).
Figure 7-52 Operating Menu for Switching Mode Using Front Panel
Pressing the key opens a selection window in which the options ,17(5/2&.('
121,17(5/2&.(' are offered.
Make the choice using the and keys, and confirm with the key.
Acknowledge the safety inquiry that follows by again pressing the key. Use the
key to return to the &21752/ level. Press the key to return to the 0$,10(18.
From PC with
DIGSI
®
4
When the 2QOLQH window in DIGSI
®
4 is opened with a double click, the operating
functions for the device appear in the left part of the window (Figure 7-32). Clicking on
&RQWUROV brings up the function selection in the right side of the window (Figure 7-
44). By double clicking on %UHDNHU6ZLWFKHV, a dialog field is opened in which,
among other options, the option for interlocked and non-interlocked (Unlock) switching
is offered.
To switch operating resources without a check of the associated interlocking condi-
tions, mark the option 8QORFN by clicking in that field, see section 7.3.1.
To set the switching mode for interlocked switching, the aforementioned option field
must not be marked. The marking is removed by clicking in the field again.
Further switching operations are possible until the dialog field %UHDNHU6ZLWFKHV
is closed, or the switching mode is changed.
DANGER!
Only highly qualified personnel who have an exact knowledge of the power sys-
tem conditions shall perform non-interlocked switching. Inappropriate switch-
ing operations can lead to death, serious personnel injury and property dam-
age.
MENU
&21752/
!6ZLWFK$XWK²!
!6ZLWFK0RGH²!
6:,
!,17(5/2&.('
,1121²,17(5/2&.('
12
ENTER
ENTER
ENTER
MENU
: