ABB REG670 Applications Manual page 503

1MRK 502 071-UEN -
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Application manual
Station HMI
Local
HMI
IED
Apparatus
Control
I/O
breakers disconnectors earthing switches
IEC08000227 V1 EN
Figure 232: 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
• Bay reserve QCRSV
GW
Local
HMI
IED
Apparatus
Control
I/O
Section 15
Control
cc
Station bus
Local
HMI
IED
Apparatus
Control
I/O
IEC08000227.vsd
497