ABB rec670 - Page 357

Station HMI
GW
cc
Station bus
breakers disconnectors grounding switches
ANSI08000227.vsd
Apparatus
Control
IED
CLOSE/OPEN
Local
HMI
Apparatus
Control
IED
Apparatus
Control
IED
Local
HMI
Local
HMI
CLOSE/OPENCLOSE/OPEN
ANSI08000227 V1 EN-US
Figure 120: 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 synchronism check
• Pole discrepancy 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
• Bay reserve QCRSV
1MRK 511 401-UUS A Section 14
Control
Bay control REC670 2.2 ANSI 351
Application manual