9.4.5 Application
In the field of distribution and sub-transmission automation, the reliable control
and status indication of primary switching components both locally and remotely
is in a significant role. These features are needed especially in modern remote
controlled substations. The application area of DCSXSWI and ESSXSWI functions
covers remote and local status indication of, for example, disconnectors, air-
break switches and earthing switches, which represent the lowest level of power
switching devices without short-circuit breaking capability.
9.4.6 Signals
9.4.6.1 DCSXSWI Input signals
Table 1492: DCSXSWI Input signals
Name Type Default Description
POSOPEN BOOLEAN 0=False Signal for open po-
sition of apparatus
from I/O
POSCLOSE BOOLEAN 0=False Signal for close po-
sition of apparatus
from I/O
9.4.6.2 ESSXSWI Input signals
Table 1493: ESSXSWI Input signals
Name Type Default Description
POSOPEN BOOLEAN 0=False Signal for open po-
sition of apparatus
from I/O
POSCLOSE BOOLEAN 0=False Signal for close po-
sition of apparatus
from I/O
9.4.6.3 DCSXSWI Output signals
Table 1494: DCSXSWI Output signals
Name
Type Description
OPENPOS BOOLEAN Apparatus open position
CLOSEPOS BOOLEAN Apparatus closed position
OKPOS BOOLEAN Apparatus position is ok
1MRS759142 F Control functions
REX640
Technical Manual
1541
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