ABB Relion REC670 Applications Manual page 263

1MRK 511 358-UEN A
IED
Apparatus
Control
I/O
IEC08000227 V1 EN-US
Figure 104: 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
Application manual
Station HMI
Local
HMI
IED
Apparatus
Control
I/O
breakers disconnectors earthing switches
cc
GW
Station bus
Local
HMI
IED
Apparatus
Control
I/O
IEC08000227.vsd
Section 13
Control
Local
HMI
257