ComAp InteliDrive DCU Marine - ID-DCU MARINE Analog Inputs Software Configuration

ID-DCU-MARINE-2.2.2, ©ComAp – June 2015 - 63 -
ID-DCU-MARINE-2.2.2.pdf
RunIndication1, RunIndication2, RunIndication3
Binary input can be used for engine running indication e.g. via Oil pressure contact. Active Running
indication blocks engine start (to avoid starter damage).
Engine running state =
RPM > Engine params: Starting RPM or
Analog input Oil pressure > Engine params: Starting Poil or
Active Binary input RunIndication1 or
Active Binary input RunIndication2 or
Active Binary input RunIndication3.
Nominal Speed
Skips Idle Time and switch controller from Idle to Running state when closed before Idle Time is over.
Emerg.Manual
This input is designed to allow the engine to be controlled externally, not by the controller. This feature is
especially designed for marine gen-sets, which are supposed to be started manually as the controller has no
power supply before the gen-set is started. It may be also useful in case of testing the gen-set or in case of a
failure, which does not allow the gen-set to be controlled by the controller, but the gen-set itself is stays
operational.
The controller behaves following way:
- Shows the text EmergMan in the engine status on the main screen.
- Stops all functions regarding the engine control, deactivates all outputs related to it except Fuel Solenoid.
- Stop Fail alarm is not being evaluated and Stop Solenoid is not activated if nonzero speed is detected.
- When the input is deactivated, the controller takes control over the engine according to the situation in
which the gen-set was in the moment of deactivation. I.e. the engine remains running if it was running in the
moment the input was deactivated.
EnClutchStart (PRP only)
Binary input activates Engine start via clutch. Engine is started by the other running engine via closed clutch
- binary output Clutch Connect. See Load sharing: MaxClStrPer protection setpoint.
Sd Override
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
Hint:
The setpoint Crank Attempts is not followed if Sd Override is active, crank attempts number is then
unlimited in case of Blackout Start.
Speed Down, Speed Up
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: Speed Request charts for PRP and AUX / EME / HRB modes.
Hint:
Minimal Speed Up and Speed Down pulse duration is 110ms to be accepted by controller.