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No
Type
50
Gen Volt Unbalance
Ground Relay Close
51
Failure
Ground Relay Open
52
Failure
53
Main Controller Failure
HGM9510N/HGM9530N Paralleled Genset Controller User Manual
It is always detected.
When this is enabled and the controller detects that the voltage
unbalanced value has exceeded the pre-set limit, it will initiate a block
alarm.
It is always detected.
When controller detects that ground relay close failure, that is, breaker
close input is inactive after ground relay close outputs, and then it will
initiate a block alarm.
It is detected when ground relay is closing.
When controller detects that ground relay open failure, that is, breaker
open input is inactive after ground relay open outputs, and then it will
initiate a block alarm.
It is detected when ground relay is opening.
When the controller detects the main controller fails, it will initiate a
block alarm.
Description
Page 29 of 116
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