Control During Operation
7-36 7SA6 Manual
C53000-G1176-C156-2
Double click on Change Group.TheChange Group window is opened, as shown
in Figure 7-36.
Figure 7-36 Setting group switching in DIGSI
®
4
Theactivesettinggroupisdisplayed.Toswitchtoanothersettinggroup,clickonthe
field
Value and select the desired option from the drop-down list. Before closing the
window, transfer the change to the device. This is done by clicking on the button
Digsi → Device. A request for Password No. 7 (password for setting groups) is
given. Enter the correct password, and then click on
OK.
7.2.3 Test Messages to the System (SCADA) Interface during Test Operation
Depending on the type of protocol, all messages and measured values transferred to
the central control system can be identified with an added message “test operation”-
bit while the device is being tested onsite (test mode). This identification prevents the
messages from being incorrectly interpreted as resulting from an actual power system
disturbance or event. As another option, all messages and measured values normally
transferred via the SCADA interface can be blocked during the testing (block data
transmission).
A password for test and diagnostics is required (password no. 4) to block the messag-
es and measured values.
Datatransmissionblockcanbeaccomplishedbycontrollingbinaryinputs,byusing
the operating panel on the device, or via DIGSI
®
4.
If binary inputs are used, then the appropriate inputs must be configured.
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