HGM400 Series Genset Controller User Manual
HGM400 Series Genset Controller ISSUE 2015-05-27 Version 1.6 Page 25 of 44
When generator voltage has
fallen below the set value and the
“Gen abnormal delay” has
expired, Gen Under Voltage is
active. When set the value as
30V, the controller does not
detect under voltage signal.
When engine speed has fallen
below the set value for 10s,
Under Speed is active. It will
initiate a shutdown alarm signal.
When engine speed has
exceeded the set value for 2s,
Over Speed is active. It will
initiate a shutdown alarm signal.
When generator frequency has
fallen below the set value but Not
equal to 0 for 10s, Under
Frequency is active. It will initiate
a shutdown alarm signal.
When generator frequency has
exceeded the set value for 2s,
Over Frequency is active. It will
initiate a shutdown alarm signal.
When the temperature value of
the external temperature sensor
exceeds the set value, “High
Temperature” timer is initiated.
Detecting only after safety on
delay has expired. If the set value
is 140, high temperature signal
will not be sent (this only
concerns external temperature
sensor, not high temperature
signal via config. input port).
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