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Functions
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.
LOCAL .. Command via substation controller.
REMOTE
troller to device
Standard Interlocking Arrangements
Figure 6-159
6-322
Switching Authority
Switching Mode
Local
&
Local
&
Remote
DIGSI
&
DIGSI
or
Remote
&
Command via telecontrol system to substation controller and from substation con
.
The display shows the configured interlocking reasons. The are marked by letters ex-
plained in the following table 6-21.
Table 6-21
Interlocking commands
Interlocking commands
Control authorization
System interlock
Zone controlled
Target state = present state
(check switch position)
Block by protection
&
&
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
Abbrev.
or
y/n
Message
L
L
S
S
Z
Z
P
P
B
B
C53000-G1176-C156-2
.
Command
Output
to Relay
7SA6 Manual
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