6F2S1915 (0.46)
GRZ200 (Soft 031 & 032)
- 436 -
Control hierarchy
It is important that the user understand the meaning of the terms ‘control-right’ and ‘control-
hierarchy’ in connection with the functioning of the control and monitoring applications in the
sub-station automation system (SAS) and the sub-station control and monitoring system
(SCMS). For instance, when we wish to operate a device (such as a piece of switchgear or
others), the system has the device forbidden to operate if the system is unable to give a ‘control-
right’ for the device using the ‘control-hierarchy’. Figure 3.3-1 depicts the control-hierarchy;
the control-hierarchy is made of three control-levels, two selector-switches, and three control-
points. Either control command of three control-points is permitted so that the other
commands will be forbidden in the system. On this account, no collision of control-points exists
within the system.
Network level
Control-point in RCC
Communication
OWS
EWS
Station level
Selector switch
(43R)
Bay level
Control-right
Local (L)
Remote (R)
Selector switch (43BCU
‡
)
RCC
EWS/OWS
Switchgear and others
Control-point in OWS/EWS
Control-point in LCP
Control levels
Selector switches
Control points and positions of selector switches
L
R
ON/OFF operation on LCD(MIMIC)
Operation
KEY
Figure 3.3-1 Control hierarchy and selector switches
‡Note:
The L|R key on the IED is used for the 43BCU switch. The L|R key
can be programmed during manufacture using the PLC function before shipment,
but it can also be programmed by the user.
§Note:
The user can implement a hierarchy by programming the PLC. For more
details, see Chapter
PLC function.
Содержание GR 200 Series
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Страница 1354: ...6F2S1915 0 46 GRZ200 Soft 031 032 1333 Appendix 1 Signal list for common function ...
Страница 1369: ...6F2S1915 0 46 GRZ200 Soft 031 032 1348 Unit mm Panel cut out for 1 2 case size Figure 2 2 3 Panel cutout figure 1 2 size case ...
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Страница 1480: ...6F2S1915 0 46 GRZ200 Soft 031 032 1459 Appendix 6 Ordering ...
Страница 1497: ...6F2S1915 0 46 GRZ200 Soft 031 032 1476 Appendix 7 Technical data ...
Страница 1518: ...6F2S1915 0 46 GRZ200 Soft 031 032 1497 Appendix 8 Manufacture setting ...
Страница 1520: ...6F2S1915 0 46 GRZ200 Soft 031 032 1499 Appendix 9 Matrix between VCT terminals and relay applications ...
Страница 1523: ...6F2S1915 0 46 GRZ200 Soft 031 032 1502 Appendix 10 CT requirement ...
Страница 1531: ...6F2S1915 0 46 GRZ200 Soft 031 032 1510 Appendix 12 Engineering exercise ...
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