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Apparatus control
Application software
To BLKCONL
CLOSE
&
From
SWI-
CON
OPEN
&
)LJXUH 'RXEOH SROH FRPPDQG RXWSXWV ZLWK VXSHUYLVLRQ
Figure 118 shows the configuration of single outputs used for purposes other than op-
erating high-voltage apparatuses. Here the ERROR signal is connected to an event
function block for alarming or as a condition for another application. The security is
limited compared to the solutions above - with two contacts in series.
Application software
For alarming
BO1
On/Off
BO2
On/Off
BO3
BO4
.
.
.
BO24
)LJXUH 6LQJOH RXWSXW FRPPDQGV
I/O-module
ERROR
BO1
BO2
BO3
BO4
.
.
.
BO24
I/O-module
ERROR
Binary
Switchyard
Output
Module
BO.01
BO.03
BO.04
BO.02
99000349.vsd
Binary
Switchyard/
Output
control room
Module
BO.01
+
BO.02
99000350.vsd
&KDSWHU
&RQWURO
Close
coil
+
-
Open
coil
-
-
235
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