Purpose Of The Units - MTU 20V4000Lx2x Operating Instructions Manual

2.6.2 Purpose of the units

ECU 9 engine governor
Central control and monitoring unit for the engine
• Communication with other devices and higher-level systems via CAN bus
• Control of throttles (mixture and gas)
• Registration and analysis of engine operating states
• Limit value monitoring
• Self-monitoring and diagnostics
– Integral status/fault display
– Fault memory
• Extensive I/O features:
• Engine and genset-related parameter settings in flash memory
• In the event of inadmissible states and limit value violations: Initiation of power reduction, engine stop or
emergency engine stop (configurable)
• Diagnostic function via CAN interface (Default CAN1, connection for dialog unit provided)
Software structure:
• One data record for engine software
• One data record for genset software
36 | Product Summary | MS150122/00E 2015-07