6.1 AUTOMATIC AUTOMATIC MODE MODE OF OF OPERATIONOPERATION
NOTE:-
NOTE:- If a If a digital input digital input configured toconfigured to panel lock panel lock is active, changing module modes will not be is active, changing module modes will not be possible. Viewing the instruments and event logs is NOT affected by panel lock.
possible. Viewing the instruments and event logs is NOT affected by panel lock. Activate
Activate auto auto mode mode by by pressing pressing the the pushbutton. pushbutton. The The icon is icon is displayed displayed to to indicate indicate Auto Auto Mode Mode operation operation if if nono alarms are present.
alarms are present.
Auto mode will allow the generator to
Auto mode will allow the generator to operate fully automatically, starting and stopping as required operate fully automatically, starting and stopping as required with no userwith no user intervention.
intervention.
6.1.1
6.1.1 WAITING WAITING IN IN AUTO AUTO MODEMODE
If a starting request is made, the starting sequence will begin. If a starting request is made, the starting sequence will begin. Starting requests can be from the following sources :
Starting requests can be from the following sources :
•• Activation Activation of of an an auxiliary auxiliary input input that that has has been been configured configured toto remote start remote start
6.1.2
6.1.2 STARTING STARTING SEQUENCESEQUENCE
To allow for ‘false’ start requests, theTo allow for ‘false’ start requests, the start delay start delay timer begins. timer begins. Should all start requests be removed during the
Should all start requests be removed during the start delay start delay timer, the unit will return to a stand-by state. timer, the unit will return to a stand-by state. If a start request is still present at the end of the
If a start request is still present at the end of the start delay start delay timer, the fuel relay is energised and the engine will be timer, the fuel relay is energised and the engine will be cranked.
cranked.
NOTE:- If the unit has been configured for CAN, compatible ECU’s will receive the start command via NOTE:- If the unit has been configured for CAN, compatible ECU’s will receive the start command via CAN.
CAN.
If the engine fails to fire during this cranking attempt then the starter motor is disengaged for the
If the engine fails to fire during this cranking attempt then the starter motor is disengaged for the crank rest crank rest duration duration after which the next start attempt is made. Should this sequence continue beyond the set number of attempts, the after which the next start attempt is made. Should this sequence continue beyond the set number of attempts, the start sequence will be term
start sequence will be terminated and the display showsinated and the display shows Fail to Start.Fail to Start.
When the engine fires, the starter motor is disengaged. Speed detection is factory configured to be derived from the When the engine fires, the starter motor is disengaged. Speed detection is factory configured to be derived from the main alternator output frequency but can additionally be measured from a Magnetic Pickup mounted on the flywheel main alternator output frequency but can additionally be measured from a Magnetic Pickup mounted on the flywheel (Selected by PC using the 3000 series
(Selected by PC using the 3000 series configuration software).configuration software).
Additionally, rising oil pressure can be used to disconnect the starter motor (but cannot detect underspeed or Additionally, rising oil pressure can be used to disconnect the starter motor (but cannot detect underspeed or overspeed).
overspeed).
NOTE:- If the unit has been configured for CAN, speed sensing is via CAN. NOTE:- If the unit has been configured for CAN, speed sensing is via CAN. After the starter motor has disengaged, the
After the starter motor has disengaged, the Safety On Safety On timer activates, allowing Oil Pressure, timer activates, allowing Oil Pressure, High EngineHigh Engine Temperature, Under-speed,
Temperature, Under-speed, Charge Fail and any delayed Auxiliary fault inputs to stabilise without triggering theCharge Fail and any delayed Auxiliary fault inputs to stabilise without triggering the fault.
DSE Model 3000 Series Control & Instrumentation System Operators Manual DSE Model 3000 Series Control & Instrumentation System Operators Manual
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6.1.3
6.1.3 ENGINE ENGINE RUNNINGRUNNING
Once the engine is running and all starting timers have expired, the animated
Once the engine is running and all starting timers have expired, the animated icon is displayed icon is displayed.. DSE3110 - The generator will be placed on load if configured to do so.
DSE3110 - The generator will be placed on load if configured to do so.
NOTE:-The load transfer signal remains inactive until the Oil Pressure has risen. This prevents NOTE:-The load transfer signal remains inactive until the Oil Pressure has risen. This prevents excessive wear on the engine.
excessive wear on the engine. If all start requests are removed, the
If all start requests are removed, the stopping sequence stopping sequence will begin. will begin.
6.1.4
6.1.4 STOPPING STOPPING SEQUENCESEQUENCE
TheThe return delay return delay timer operates to ensure that the starting request has been permanently removed and isn’t just a timer operates to ensure that the starting request has been permanently removed and isn’t just a short term removal. Should another start request be made during the cooling down period, the set will return on short term removal. Should another start request be made during the cooling down period, the set will return on load.
load.
If there are no starting requests at the end of the
If there are no starting requests at the end of the return delayreturn delay timer, the load is removed from the generator to thetimer, the load is removed from the generator to the mains supply and the
mains supply and the cooling cooling timer is initiated. timer is initiated. The
The cooling cooling timer allows the set to run off load and cool sufficiently before being stopped. This is particularly timer allows the set to run off load and cool sufficiently before being stopped. This is particularly important where turbo chargers are fitted to the engine.
important where turbo chargers are fitted to the engine. After the
DSE Model 3000 Series Control and Instrumentation System Operators Manual DSE Model 3000 Series Control and Instrumentation System Operators Manual
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22 Part No. Part No. 057-086 057-086 3000 Series 3000 Series OPERATING MOPERATING MANUAL ISSUE ANUAL ISSUE 4 4 03/12/2009 ADM03/12/2009 ADM