Depending on the connected I3P channels to the current switch, the
Primary
current
settings between the source I3P must match. Depending on the connected
IRES channels, the
Primary current
settings between the source IRES must
match. Setting validation for the primary current fails unless they are all stored
simultaneously to the protection relay.
3.20.17.6 Signals
Table 267: CMSWI Input signals
Name Type Default Description
I3P1 SIGNAL - Three-phase currents
1
I3P2 SIGNAL - Three-phase currents
2
I3P3 SIGNAL - Three-phase currents
3
I3P4 SIGNAL - Three-phase currents
4
IRES1 SIGNAL - Residual current 1
IRES2 SIGNAL - Residual current 2
IRES3 SIGNAL - Residual current 3
IRES4 SIGNAL - Residual current 4
SWITCH_TO2 BOOLEAN 0=False Switch to source 2
SWITCH_TO3 BOOLEAN 0=False Switch to source 3
SWITCH_TO4 BOOLEAN 0=False Switch to source 4
Table 268: CMSWI Output signals
Name Type Description
SOURCE1 BOOLEAN Selected current source is source 1
SOURCE2 BOOLEAN Selected current source is source 2
SOURCE3 BOOLEAN Selected current source is source 3
SOURCE4 BOOLEAN Selected current source is source 4
I3P SIGNAL Three-phase currents
IRES SIGNAL Residual current
ALARM BOOLEAN Alarm
WARNING BOOLEAN Warning
3.20.17.7 CMSWI Monitored data
Table 269: CMSWI Monitored data
Name
Type Values (Range) Unit Description
SWITCH_POS Enum
1=Source 1
2=Source 2
Switch position
Basic functions 1MRS759142 F
280 REX640
Technical Manual
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