Engine Interface Module (EIM)
The Engine Interface Module (EIM) is the central connection box on the engine. It covers the complete mini-
mum scope of a marine engine. It does not comprise controls of components requiring maintenance.
Functions:
• Starter control (start repetition, tooth alignment, starter protection)
• Monitoring of the battery-charging generator
• Open bus interface to the plant (SAE J1939)
• Emergency stop function with line break monitoring
• Redundant power supply
• Optional control of emergency-air shutoff flaps
• Key switch logic
• Interface to ECU and EMU
• MCS5 dialog interface
• Control of an MTU lube oil priming pump (power components in separate MTU PPC Box)
• Connection facility for an MTU Local Operating Station (LOS)
Serial RS422 interface for diagnosis
The engine interface comprises two parts. The first part of signals is integrated in the engine wiring harness
with a 62-pin Tyco connector X52. The second part refers to signals associated with higher currents. These
signals are led out via M threaded pins and also integrated in the engine wiring harness.
Functions
• ECU supply
• EMU supply
• Plant signals (ECU7 connector X1)
• Bus interface (2x MCS5 CAN)
• CAN dialog output (1xMCS5 CAN)
• Emergency stop from EMU and ECU
• Electric starter
• Terminal 45 starter A/B (engaged)
• Pneumatic starter
• Starting air pressure valve
• Starting air pressure sensor
• Barring device (Barring Gear 1 and 2)
• Battery-charging generator (with exciter control)
• Optional emergency-air shutoff flaps
• Activation signal to air shutoff flaps 1+2
• Feedback signal from air shutoff flaps 1+2
Electronic engine governor (ECU)
Functions:
• Engine speed control with fuel and speed limitation dependent on engine status and operating conditions
• Control of sequential turbocharging, cylinder bank cut-out and air recirculation function
• Data processing logistics for analog and binary signals
• Interface for data transfer to CAN field bus for remote control and ship-side monitoring
Electronic Engine Monitoring Unit (EMU)
Functions:
• Data processing logistics for analog and binary signals
• Interface for data transfer to CAN field bus for remote control and ship-side monitoring
42 | General Information | MS15035/00E 2018-08
TIM-ID: 0000069190 - 001
Summary of Contents for 12V4000M*3 series
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