Control During Operation
7-34 7SA6 Manual
C53000-G1176-C156-2
7.2.2 Changeover of Setting Groups
Four different setting groups for the protective functions are available. The active
group can be changed onsite while the 7SA6 is in-service by using the integrated op-
erating field on the device or the operating interface on a PC running DIGSI
®
4. Alter-
natively, you may decide that the active setting group be remotely controlled via binary
inputs or the System (SCADA) interface.
Password No 5 (password for individual settings) is required to change setting groups.
The first setting group is called group A. The others are groups B, C, and D. If setting
group changing is to be used, then settings for the groups to be employed must have
been entered (see Section 6) and the switching process must be
Enabled under Ad-
dress
103 Grp Chge OPTION.
From the
DeviceFront
When the device is ready for operation, first press the key. The MAIN MENU ap-
pears.
Using the key, select the menu item
Settings and switch to the settings with the
key. The selection
SETTINGS appears.
Using the key, select the item
Change Group and move to the selection of groups
with the key. The sub-menu
CHANGE GROUP appears, as shown in Figure 7-34.
The first Address
301 is marked. The address displays the setting group presently in
effect (in Figure 7-34, the active group is
Group A).
Using the key, select Address
302 and confirm with the key.
Enter the password No 5 for individual settings, and confirm.
Using the key, select one of the four groups A, B, C, or D, or give control to another
source.
If
Binary Input (activation using binary inputs) is selected, setting group switching
is controlled by binary inputs, provided appropriate configuration has been done and
the necessary physical connections are present (see Section 5.2).
If
via Protocol is chosen (enabled via VDEW-protocol or IEC 60870-5-103), set-
ting group changes can be controlled via the system serial interface.
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