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Smartgen HGM160 Genset Controller
The
Model 160 is an Manual Engine Control Module. The module is used to
manual start and stop the engine, indicating the operational status and
fault conditions, automatically shutting down the engine and indicating
the engine failure by LED on the front panel.
Operation
Operation
of the module is via a two position key switch mounted on the front
panel with OFF(O), STARTpositions. In the ‘ ’ position the output are
de-energized.
Manual Operation:
1. Select manual run
2. Depress pre-heat button for required length of time
3. Press STARTto crank engine
Once
the Start button is pressed and maintained, the engine fuel system is
energized. The ‘Crank’ output is then energized and the starter motor
operated, disengaging automatically when the engine fires or when the
‘Start’ button is released. The protection hold-off timer is then
initiated.
Operation of any of the following alarms (which are close on fault) will cause the run output to de-energize:
Low Oil Pressure High Engine Temperature Auxiliary Shutdown Over speed
This
will remove the fuel supply from the engine and bring it to rest. Each
alarm has its own LED indicator and once activated no further alarm
conditions will be accepted. The alarm output and relevant LED will
remain active until the unit is reset by turning the switch to the ‘ ’
position.
Over speed Protection
Over
speed protection is derived from the generator Hz output. The over
frequency circuit monitors the generator Hz output and will shut down
the engine immediately if a pre-set frequency level is exceeded. This
trip level is selected by a switch for either 50Hz or 60Hz nominal
operation (57Hz or 68Hz trip respectively ).
During engine cranking
and for a short time afterwards the protection hold-off timer (10
seconds) is active and the relevant alarm inputs are inhibited. This
enables the engine to start and achieve normal running conditions. Once
the timer has expired the inputs are enabled providing normal protection
from the module.
Charge Failure warning
Charge
Failure warning is also provided by monitoring the WL terminal on the
charge alternator. This operates on a similar principal to the warning
lamp fitted in a motor vehicle, should the output fail the charge fail
LED will illuminate. The module will also provide the alternator
excitation current via this connection.
Specification
DC Supply:
8 to 35 V Continuous.
Alternator Input Range:
15 - 275 V AC RMS
Alternator Input Frequency:
50 - 60 Hz at rated engine speed.
(Minimum 75V AC)
Over speed: nominal frequency +14% (+24% Overshoot)
Start Output:
Solid State 200mA negative grounding terminal
Fuel Output:
Solid State 200mA negative grounding terminal
Pre-heat Output:
Solid State200mA negative grounding terminal
Operating Temperature Range:
-30 to +70°C