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Station HMI
GW
cc
Station bus
breakers disconnectors earthing switches
IEC08000227.vsd
Apparatus
Control
IED
I/O
Local
HMI
Apparatus
Control
IED
I/O
Apparatus
Control
IED
I/O
Local
HMI
Local
HMI
IEC08000227 V1 EN-US
Figure 324: Overview of the apparatus control functions
Features in the apparatus control function:
•
Operation of primary apparatuses
•
Select-Execute principle to give high security
•
Selection and reservation function to prevent simultaneous operation
•
Selection and supervision of operator place
•
Command supervision
•
Block/deblock of operation
•
Block/deblock of updating of position indications
•
Substitution of position indications
•
Overriding of interlocking functions
•
Overriding of synchrocheck
•
Pole discordance supervision
•
Operation counter
•
Suppression of mid position
The apparatus control function is realized by means of a number of function blocks
designated:
•
Switch controller SCSWI
•
Circuit breaker SXCBR
•
Circuit switch SXSWI
•
Bay control QCBAY
•
Position evaluation POS_EVAL
•
Bay reserve QCRSV
•
Reservation input RESIN
•
Local remote LOCREM
•
Local remote control LOCREMCTRL
1MRK 505 343-UEN B
Section 14
Control
551
Application manual
Содержание Relion 670 series
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