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Device with Source
of Command =
On/Off
LOCAL
1
SAS REMOTE
),
DIGSI
AUTO
Switching Authority
(Local/Remote)
Switching Authority
DIGSI
Switching Mode
Local
Switching Mode
Remote
feedback Indication
On/Off
Protection Blocking
52 Close
52 Open
Event
Condition
1
) Source REMOTE also includes SAS.
REMOTE
Standard Interlocking Arrangements
Figure 6-72
Control Logic using
CFC
Switching
Authority
7SJ63 Manual
C53000-G1140-C120-1
mote DIGSI connection or via the SCADA interface is only allowed if the Key Switch
is set to REMOTE.
An overview for processing the interlocking conditions in the relay is shown by Figure
6-72.
Switching Authority
Switching Mode
Local
&
Local
&
Remote
DIGSI
&
DIGSI
or
Remote
&
Command using remote source such as SCADA through controller to device
For Zone Controlled (field interlocking), control logic can be developed, using the
CFC.
Switching authority configures the relay to perform Local/Remote Supervisory func-
tions. Note, that only one source can have authority at a time. The following switching
authority ranges are defined in the following priority sequence:
− LOCAL (commands are issued from the relay keyboard)
&
&
Non-Interlocked
SCHEDULED=ACT .y/n
or
&
Interlocked
&
or
SCHEDULED=ACT.y/n
System Interlock.*)y/n
Field Interlocking
Protection Blockingy/n
Double Oper. Blocky/n
SW. Auth. LOCA> y/n
Sw. Auth. REMOTEy/n
*) Starting With Version 4.2
Command using substation controller.
Functions
Command
or
y/n
Output
to Relay
.
6-179
.
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