ABB Relion 670 Series Applications Manual page 306

Section 12
Control
0.1sec because both master and slave should not send the circuit breaker closing command at the same
time.
12.3 Apparatus control
12.3.1 Function revision history
12.3.2 Application
The apparatus control is a functionality for control and supervising of circuit breakers, disconnectors, and
grounding switches within a bay. Permission to operate is given after evaluation of conditions from other
functions such as interlocking, synchronism check, operator place selection and external or internal
blockings.
Figure 139
to an apparatus can be initiated from the Control Centre (CC), the station HMI or the local HMI on the
IED front.
IED
Apparatus
Control
CLOSE/OPEN
ANSI08000227 V1 EN-US
Figure 139: 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
300
shows from which places the apparatus control function receives commands. The commands
Station HMI
Local
Local
HMI
HMI
IED
Apparatus
Control
CLOSE/OPEN
breakers disconnectors grounding switches
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cc
GW
Station bus
Local
HMI
IED
Apparatus
Control
CLOSE/OPEN
ANSI08000227.vsd
1MRK 505 370-UUS Rev. K
IP14560-1 v3
GUID-CC62CA75-201A-4C5D-9FD4-89DBFD56F97C v2
M13443-4 v15
Busbar protection REB670
Application manual