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Communication DGC-2020ES
• Rated Speed (50 or 60 Hz) - sent based on the Rated Speed setting of the DGC-2020ES. However,
these are reversed if the Alternate Frequency Override is true. A setting of 60 Hz Rated Speed
results in 50 Hz being sent and a setting of 50 Hz Rated Speed results in 60 Hz being sent when
the Alternate Frequency Override is true.
Generator Control Communications Configuration: A parameter is provided to configure generator
control communications. If the standard PGNs for Generator Control One and Generator Control Two are
broadcast by the generator controller, the Cummins ECU will use those. If they are not broadcast, the
ECU will expect the Cummins Engine Governing PGN (0xFF69) and Cummins Generator Control PGN
(0xFF73). If the user selects Standard for the Generator Control Communications setting, the DGC-
2020ES will not broadcast 0xFF69 and 0xFF73 in order to minimize loading on the CAN Bus.
MTU
If the engine is configured as MTU MDEC, the configuration of the following settings is necessary:
• MDEC Module Type - Specifies the type of MDEC module.
• Speed Demand Switch - Specifies speed demand source for the MTU engine ECU.
• NMT Alive Transmit Rate - Specifies the rate at which messages are transmitted to the MTU engine.
If the engine is configured as MTU ADEC, the configuration of the following settings is necessary:
• Speed Demand Switch - Specifies speed demand source for the MTU engine ECU.
• Overspeed Test - Temporarily drives an MTU ECU into overspeed for testing overspeed.
• Governor Param Switch Over - Specifies which governor parameters an MTU ECU should use.
• Trip Reset - Resets trip information such as trip fuel used, trip hours, trip idle time, etc.
• Int Oil Prime - Causes an MTU ECU engine to perform an internal lubrication cycle.
If the engine is configured as MTU ECU7/ECU8, the configuration of the following settings is necessary:
• Speed Demand Switch - Specifies speed demand source for the MTU engine ECU.
• Overspeed Test - Temporarily drives an MTU ECU into overspeed for testing overspeed.
• Speed Up - Increases speed of the MTU ECU.
• Speed Down - Decreases speed of the MTU ECU.
• Idle Request - Turns the idle request on or off.
• Increased Idle - Sets the MTU ECU idle.
• Trip Reset - Resets trip information such as trip fuel used, trip hours, trip idle time, etc.
• Int Oil Prime - Causes an MTU ECU engine to perform an internal lubrication cycle.
• MTU 50 Hz 60 Hz Switch Setting - Set automatically based on rated frequency of the DGC-2020ES
and the state of the alternate frequency override.
• Engine Start Prime - Turns the engine start prime on or off.
• Fan Override - Turns the fan override on or off.
• Mode Switch - Turns the mode switch on or off.
• Governor Param Set Select - Sets the governor parameter set select.
• CAN Rating Switch 1 & 2 - Turns the CAN rating switch 1 & 2 on or off.
• Cylinder Cutout Disable 1 & 2 - Turns the cylinder cutout disable 1 & 2 on or off.
• MTU ECU7/ECU8 Module Type - Specifies ECU7/ECU8 Module type.
• NMT Alive Transmit Rate - Specifies the rate at which messages are transmitted to the MTU engine.
If the engine is configured as MTU Smart Connect, the configuration of the following settings is
necessary:
• Speed Demand Switch - Specifies speed demand source for the MTU engine ECU.
• Overspeed Test - Temporarily drives an MTU ECU into overspeed for testing overspeed.
• Speed Up - Increases speed of the MTU ECU.
• Speed Down - Decreases speed of the MTU ECU.
• Idle Request - Turns the idle request on or off.
• Trip Reset - Resets trip information such as trip fuel used, trip hours, trip idle time, etc.
• Int Oil Prime - Causes an MTU ECU engine to perform an internal lubrication cycle.
• Governor Param Switch Over - Specifies which governor parameters an MTU ECU should use.
• Cylinder Cutout Disable 2 - Turns the cylinder cutout disable 2 on or off.
• Engine Operating Mode - Selects engine operating mode 1 or 2.
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