ID-DCU-MARINE-2.2.2, ©ComAp – June 2015 - 82 -
ID-DCU-MARINE-2.2.2.pdf
Analog Inputs
Logical analog inputs list
LCD Brightness
Analog input for external LCD brightness setting (e.g. via potentiometer). Keyboard LCD brightness setting
does not work when input is configured. Expected value is in the range 0 to 100%.
Engine Speed
RPM value from ECU - J1939.
Oil Press
Running indication and speed dependable protection in PRP. This value is indicated on the first controller
screen.
Coolant Temp
This value is indicated on the first controller screen.
Hint:
Configure Oil Press and Coolant Temp logical inputs to display values on the first controller screen.
Coolant Press (PRP only)
Running indication and speed dependable protection in PRP.
Requested RPM
AI influences directly Engine Values: Speed Request register when configured without ramp. In the case of
sensor fail (out of range) is Speed request = 0,0% for PRP and 50,0% (=Nominal RPM) for AUX. There is
expected range of values 0,0 … 100,0% for this Logical Analog input.
See Engine Values: Speed Request charts for PRP and AUX / EME / HRB modes.
Engine Torque (PRP only)
Actual engine torque in %, received from J1939.
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