HGM9580 BUS TIE BUS PARALLEL UNIT
HGM9580 Bus Tie Bus Parallel Unit ISSUE 2014-02-16 Version 1.0 Page 13 of 33
4.4 AUTO OPERATION
Auto mode is selected by pressing the
button; a LED besides the button will illuminate to
confirm the operation.
1. When remote start input is active:
a) If either of the two buses is deactivate, then bus close signal will be initiated and the bus will be
paralleled with the other bus;
b) If both of Bus 1 and Bus 2 are active, the controller will adjust frequency and voltage to
synchronize bus with bus; when synchronism requirements has been achieved, bus close
signal will be initiated and the bus will be paralleled with the other bus.
2. When remote start input is deactivate, then bus open relay activate and the bus split from the
other bus.
Note:
The bus voltage is regarded as active if it has exceeded the dead bus voltage (the dead
bus voltage is configurable); otherwise, it is regarded as deactivate.