Siemens siprotec 7SA522 User Manual page 405

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 6-133
7SA522 Manual
C53000-G1176-C119-2
Switching Authority
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 6-12.
Table 6-12 Interlocking commands
Interlocking commands
Control authorization
System interlock
Zone controlled
Target state = present state
(check switch position)
Block by protection
Switching Mode
&
&
Non-Interlocked
or SCHEDULED=ACT .y/n
&
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
or
y/n
Abbrev. Message
L L
S S
Z Z
P P
B B
Functions
.
Command
Output
to Relay
6-257