InteliDrive DCU Marine - 3.0.0 Global Guide
187
Related FW 3.0.0 Related applications All
Comm object 44
Description
Blocks all protections except Over-speed, Emergency Stop and protections configured as “Sd override”
(=Sprinkler).
All alarms are detected
Alarms are recorded on the controller Alarm list screen
Alarm are recorded into History
Enabled Active calls remains active
Controller front panel engine RED LED blinks or lights
Note: The setpoint Crank Attempts is not followed if Sd Override is active, crank attempts number is
then unlimited in case of Blackout Start.
Sd Override
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Related FW 3.0.0 Related applications All
Comm object 164
Description
The Engine Values: Speed Request is decreased / increased when the binary input is closed. Speed Down
has higher priority when both Up and Down inputs are active. RPM inc/dec rate is defined by setpoint Engine
params: BI Speed ramp.
Engine speed can be set by Logical Analog Input Requested RPM or by BI Speed Up and Speed Down.
Following Speed Request initialization is valid when Analog input Requested RPM is not configured.
Speed Request (Idle) = 0,0%. Inputs are active in LOC (Local) mode.
Speed Request (Running) = 50,0% for AUX (ECU 50% = Nominal RPM).
Speed Request (Running) = 0,0% for PRP.
See Engine Values: (page 267) and (page 267) modes.
The Binary inputs SpeedUp and SpeedDown ramp
function is for the 0,6 sec constant 0,4%/s and does not
depend on Engine params: SpeedRamp setting. This
function enables fine setting of Engine speed to specific
like 1500 RPM value.
Dual rate ramp
Note: Minimal Speed Up and Speed Down pulse duration is 110ms to be accepted by controller.
Speed Down
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