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 51: 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 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
• Bay control QCBAY
• Local remote LOCREM
• Local remote control LOCREMCTRL
Section 10 1MRK 505 388-UEN B
Control
152 Busbar protection REB650 2.2 IEC
Application manual
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