Yacht Devices YDEG-04, Руководство пользователя, Страница: 43 / 68

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Symbol Description Status in NMEA 2000 [bit]
System fault . Malfunction in engine cables
(open circuit, short circuit).
Can be mapped by user (*).
Auxilary alarm.
Triggering of auxiliary
sensor (if connected; depending on the
implementation).
Can be mapped by user (*).
Coolant temperature.
High temperature of coolant.
Over Temperature [2].
Oil pressure. Low oil pressure. Low Oil Pressure [3].
Charging.
Low voltage of ignition battery. Low System Voltage [6].
* The conditions «System fault » and «Auxiliary alarm » can be mapped by the user to bits of engine
status in NMEA 2000 using the settings:MDI_AUX_MASK and MDI_SYS_FAULT_MASK
(see V.8 and V.9)
2. Other Volvo Penta and J1939 engines
Modern engines can have more than 10 different sensors and provide hundreds of diagnostic codes
(in J1939 messages with PGN 65226). Generally used diagnostic codes are described in the J1939 standards.
Table 1. continued