14.2.3.3
Function block
IEC05000359-2-en.vsd
SCILO
POSOPEN
POSCLOSE
OPEN_EN
CLOSE_EN
EN_OPEN
EN_CLOSE
IEC05000359 V2 EN
Figure 307:
SCILO function block
14.2.3.4
Signals
Table 369:
SCILO Input signals
Name
Type
Default
Description
POSOPEN
BOOLEAN
0
Open position of switch device
POSCLOSE
BOOLEAN
0
Closed position of switch device
OPEN_EN
BOOLEAN
0
Open operation from interlocking logic is enabled
CLOSE_EN
BOOLEAN
0
Close operation from interlocking logic is enabled
Table 370:
SCILO Output signals
Name
Type
Description
EN_OPEN
BOOLEAN
Open operation at closed or interm. or bad pos. is
enabled
EN_CLOSE
BOOLEAN
Close operation at open or interm. or bad pos. is
enabled
14.2.3.5
Logic diagram
The function contains logic to enable the open and close commands respectively if the
interlocking conditions are fulfilled. That means also, if the switch has a defined end
position for example, open, then the appropriate enable signal (in this case
EN_OPEN) is false. The enable signals EN_OPEN and EN_CLOSE can be true at the
same time only in the intermediate and bad position state and if they are enabled by the
interlocking function. The position inputs come from the logical nodes Circuit
breaker/Circuit switch (SXCBR/SXSWI) and the enable signals come from the
interlocking logic. The outputs are connected to the logical node Switch controller
(SCSWI). One instance per switching device is needed.
Section 14
1MRK502052-UEN B
Control
648
Technical manual
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