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When the emergency start signal
START_EMERG
is set high, the thermal level is set to a
value below the thermal restart inhibit level. This allows at least one motor start-up, even
though the thermal level has exceeded the restart inhibit level.
When the thermal content reaches 100 percent, the
TRIP
output is activated. The
TRIP
output is deactivated when the value of the measured current falls below 12 percent of
Current reference
or the thermal content drops below 100 percent.
The activation of the
BLOCK
input blocks the
ALARM
,
BLK_RESTART
and
TRIP
outputs.
1MAC059074-MB A
Section 4
Protection functions
615 series ANSI
303
Technical Manual
Содержание Relion 615 series
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