Protection - Smartgen MGC310 User Manual

5 PROTECTION

Icons Alarm Contents
Over Frequency
Under Frequency
Temp. High
Temp. High Input
Oil Pressure Low Input
Gen Over Current
Gen Over Current
Gen Over Current
Cooling
Gen Voltage High
Gen Voltage Low
Crank Failure
Outside Shutdown
Alarm Input
Fuel Level Low
Fuel Level Low Input
Stop Failure
Battery Voltage Low
Battery Voltage High
NOTE 1: Shutdown alarms are latched signals and alarms can be removed by using Stop key (in stop
status); warning alarms are not latched.
MGC300 Series Genset Controller User Manual
Table 5 Alarm Types
Type
Gen frequency is above over frequency limit for 2s, it
Shutdown
alarms;
Detected when genset is running normally; gen freq. is
Shutdown
less than under frequency limit for 10s, and it alarms;
Detected after safety on delay; when temp. high is
Shutdown
above high temp. limit for 3s, it alarms;
Detected after safety on delay; when temp. high input
Shutdown
is active, it alarms;
Detected after safety on delay; when oil pressure low
Shutdown
input is active, it alarms;
Action is set as Warning; gen current is over pre-set
Warning
value, and lasting time is over delay time, it alarms;
Action is set as Shutdown; gen current is over pre-set
Shutdown
value, and lasting time is over delay time, it alarms;
Action is set as Cooling Shutdown; gen current is over
Shutdown pre-set value and lasting time is over delay time, it
alarms;
Detected after safety on delay; gen voltage is over the
Shutdown
threshold, and lasting time is over delay, and it alarms;
Detected after genset normal running; gen voltage is
Shutdown lower than threshold, and lasting time is over delay
time, and it alarms;
It alarms when crank failure during the pre-set crank
Shutdown
attempts;
When the input port is configured as "Outside
Shutdown
Shutdown Alarm Input", and it is active, it alarms;
When fuel level is lower than the threshold for 10s, it
Warning
alarms;
Warning When fuel level low input is active, it alarms;
Complete stop time is over but genset still not stops
Warning
completely and it alarms;
Battery voltage is lower than the threshold for 20s, it
Warning
alarms;
Battery voltage is higher than the threshold for 20s, it
Warning
alarms.
Trigger Condition
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