2006/05/18 < 1>2007/12/18© MAN Diesel SE

MAN Diesel PrimeServ Academy CPHIntroduction to the ME engine

ME Engine control system - Introduction to ME engine (Jan 2008)

2007/12/18 < 2>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)

Designations

6 S 70 M E-B/C/GI7

ConceptC Camshaft controlled

E Electronically controlled

S Super long stroke

K Short strokeL Long stroke

Design C Compact engine

GI Gas Injection and compact

B Electronically controlledsmall bore engine

Engine programme

Diameter of piston in cm

Stroke/bore ratio

Number of cylinders

Mark version

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ME Engine

2007/12/18 < 4>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)

Development of the MEDevelopment of the ME--engineengine

1991 Start of Intelligent Engine Project

1993 4T50MX equipped with Electronic Engine Control equipment

1997 4T50MX with 2nd generation control equipment

2003 First production engine

1998/2000 Design - Production - Test - Installation of Engine Control System on M/T ”Bow Cecil”

1997/98 Design - Production - Installation of mechanical/hydraulic components for service test on M/T "Bow Cecil"

2000 Start of service test on M/T ”Bow Cecil”

1997/98 Design and implementation of governor functionality, and service test onboard ”Shanghai Express”

2007/12/18 < 5>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)

MC-C ComponentsOmitted / re-designed

•• Chain drive Chain drive •• Chain wheel frameChain wheel frame•• Chain box on frame boxChain box on frame box•• Camshaft with camsCamshaft with cams•• Roller guides for fuel pumpRoller guides for fuel pump

and exhaust valveand exhaust valve•• Fuel pumpsFuel pumps•• Exhaust valveExhaust valve•• Exhaust actuatorExhaust actuator•• Starting air distributorStarting air distributor•• GovernorGovernor•• Regulating shaftRegulating shaft•• Mechanical LubricatorMechanical Lubricator•• Local control standLocal control stand

2007/12/18 < 6>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)

New Components / re-designed

•• Hydraulic Power SHydraulic Power Supplyupply ((HPSHPS))

•• Hydraulic Cylinder Unit Hydraulic Cylinder Unit ((HCUHCU))

•• Engine Control System Engine Control System ((ECSECS))

•• Crankshaft Crankshaft ppositionosition sensingsensing systemsystem

•• Local Local OOperationperation PPanelanel ((LOPLOP))

Starting air valvesStarting air valvesSStart and tart and RReversingeversing sequencessequencesGGovernorovernor functionfunctionAAuxiliaryuxiliary blowersblowersElectronicElectronicallyally ProfileProfiledd Injection (EPIC)Injection (EPIC)EExhaustxhaust valve actuationvalve actuationCylinder lubrication (ACC)Cylinder lubrication (ACC)

•• Exhaust valveExhaust valve

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The ME Engine Hydraulic Oil Loop

EL. driven hydraulic pumps

Engine drivenhydraulic pumps

Fuel 7 - 8 bar Hydrauliccylinder unit

ME lubricator

Servo oilreturn to sump

Fine aut. Filter 6μ

Piston cooling + bearings

From Main lub oil pump, cooler and 50 μ filter

Valve block

Servo oil

Fuel oil pressurebooster Exhaust valve actuator

FIVA

Cyl. 1 Cyl. 2 Cyl. 3 Cyl. 4 Cyl. 5 Cyl. 6CCUCCU CCU CCU CCU CCU Approx200 bar

2007/12/18 < 8>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)

RedundancyFilter 25μ

Electrically Driven Start-up Pumps

Engine Driven Axial Piston Pumps

Self Cleaning Filter 6μ

Safety and Accumulators Block

Chain Wheel and Step-up Gear

Casing with Drain

and Alarm Functions

Hydraulic Power Supply - HPS

7S60ME-C

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HHydraulic ydraulic CCylinder ylinder UUnit nit -- HCUHCU

FIVA Proportional Valve FIVA Proportional Valve (controlling fuel injection and (controlling fuel injection and exhexh. Valve operation. Valve operation

Distribution BlockDistribution Block

Exhaust Valve Actuator Exhaust Valve Actuator

Fuel Oil Pressure BoosterFuel Oil Pressure Booster

Cylinder Lubricator Cylinder Lubricator

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ME ME Fuel Fuel OilOil PressurePressure BoosterBoosterMC versus ME

S50MCS50MC--CC S50MES50ME--CC

Fuel Fuel PPlungerlunger

Hydraulic Hydraulic actuatoractuator

Fuel oFuel oilil inlet inlet pressurepressure 7 7 -- 8 bar8 bar

Feed back Feed back Position sensorPosition sensor

Suction ValveSuction Valve

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FIVA on-off valveFIVA on-off valve

Exhaust valve spindleExhaust valve spindle

High pressurehydraulic oil –inlet

High pressurehydraulic oil –inlet

MembraneaccumulatorMembraneaccumulator

Hydraulicpush rodHydraulicpush rod

Exhaust valve ActuatorExhaust valve Actuator

Exhaust valve systemMC versus ME

2007/12/18 < 12>© MAN Diesel SEME Engine control system - Introduction to ME engine (Jan 2008)

BridgeBridge

Engine Control RoomEngine Control Room

Engine Room/On EngineEngine Room/On Engine

MainOperating

PanelPC

Control RoomPanel

BACK-UP FOR MOP

BridgePanel

ACU CCU

ECU A

EICU A

Auxiliariy Control Units 1, 2 and 3

Engine Interface Control Units A and B

ECU B

Cylinder Control Units 1 per cylinder

EICU B

Engine Control Units A and B

LocalOperation

Panel

Control Network

ME ME Engine Control SystemEngine Control System

MultiMulti--Purpose Purpose ControllerController

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ME Tacho-system