Idle speed select
Variable speed
If the pedal signals become faulty, the engine will go
to idle. By releasing the pedal, the 'Idle speed select'
will go from zero to one.
When the 'Idle speed select' signal goes from one to
zero, the engine speed request will slowly ramp up to
70% of the maximum engine speed.
By releasing the pedal and setting the 'Idle speed
select' signal to one, idle speed is instantly requested.
Genset
If the pedal signals become faulty, the engine speed
request value will be frozen. If the 'Idle speed select'
signal goes from zero to one and engine load is low,
idle speed is requested.
Engine control interface, Speed control
18 47706587 05-2015 © AB VOLVO PENTA
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