ABB RET650 Applications Manual page 182

Section 11
Control
176
Station HMI
Local
HMI
IED
Apparatus
Control
I/O
breakers disconnectors earthing switches
IEC08000227 V1 EN-US
Figure 63: 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
GW
Local
HMI
IED
Apparatus
Control
I/O
Transformer protection RET650 2.2 IEC
1MRK 504 169-UEN A
cc
Station bus
Local
HMI
IED
Apparatus
Control
I/O
IEC08000227.vsd
Application manual