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DSE 5xxx Configuration Software ManualMiscellaneous DescriptionItemConfigurationdescriptionJ1939 optionsFunction53xx modules only.Alows a description to be given to the module’s configuration file. Thisallows for easy reference to what the configuration is used for, whoconfigured it and when.J1939 CanBus = Engine speed sensing is from alternator AC or magnetic pickup asconfigured below. Additionally other parameters such as oil pressure andcoolant temperature are read direct from engine mounted sensors. = Configures the module to read engine speed, oil pressure, coolanttemperature, hours run information and internal diagnostics information fromthe engine’s ECU via the optional CanBus J1939 datalink.Engine type (53xx modules only) Generic j1939 – Basic J1939 is available when used in conjunction withan SAE J1939 enabled engine. Other engine types allow selection of engine manufacturer specificoptions such as ECU enable outputs and enhanced J1939instrumentation.Enhanced J1939 instrumentation = Enhanced instrumentation disabled. = Enhanced instrumentation is shown on the module’s display.NOTE:- These options require a J1939 enabled controllerconnected to a supported J1939 engine ECU.Speed sensingoptionsThese settings are used to select which method of speed sensing is used :-Generator Frequency - = Speed sensing will not be derived from generator output frequency. = Speed sensing will be derived from the generator output frequencyThe number of alternator poles then needs to be set to allow the module todetermine the engine speed.Magnetic Pick-up - = Speed sensing will not be derived from the magnetic pickup. = Speed sensing will be derived from the magnetic pickupThe number of flywheel teeth on the engine then needs to be set.NOTE:- Selecting either of the above will enable or disablerelevant selections throughout the remainder of the configuration.DSE5xxx Configuration software ISSUE 2 02/07/04 AM 15