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DIGSI
4
7.3.8
Control Messages
7-48
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.
When the 2QOLQH window in DIGSI
functions for the device appear in the left part of the window (Figure 7-37). Clicking on
&RQWUROV brings up the function selection in the right side of the window (Figure 7-
46). 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
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.
In the course of system control, the device generates several messages that docu-
ment the process. For example, messages may be given to report the end of a com-
mand or provide the reason for a command denial. These messages and the associ-
ated causes are listed in Table 7-4, together with other messages for the control of de-
vice functions.
Table 7-4
Possible Control Messages
Message Text
6\VWHP (UURU
0DQ2YHUZULWH 2.
0DQ2YHUZULWH )DLO Return routing cannot be carried out
&RQWURO $ERUW 2.
&RQWURO $ERUW )DLO Process cannot be interrupted because no command is issued,
&RQWURO ([HFXWHG
&RQWURO )DLOHG
,QWHUORFNHG
®
4 is opened with a double click, the operating
field,
Message Cause
Interruption by system error
Return routing carried out
Command interruption carried out correctly
command runs in different switching direction, or interruption is not
planned or set up.
Command was correctly executed and ended
Refusal because the command number or the origination source is
not permitted
Refusal because the communication interface was blocked or the
command object is blocked by a protective function.
see section 7.3.1.
7SJ63 Manual
C53000-G1140-C120-1
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