Vega vegaflex 83 Operating Instruction

Also see for vegaflex 83: Operating instructions Safety manual Supplementary instructions Operating instructions Operating instructions

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Vega vegaflex 83 Operating Instruction Manual pdf 59 page image

599 Diagnostics and serviceVEGAFLEX 83 • Profibus PA44223-EN-1404309 Diagnostics and service9.1 MaintenanceIf the device is used correctly, no maintenance is required in normaloperation.9.2 Diagnosis memoryThe instrument has several memories which are available for diagno-sis purposes. The data remain even with voltage interruption.Up to 100,000 measured values can be stored in the sensor in a ringmemory. Each entry contains date/time as well as the respectivemeasured value. Storable values are for example:• Distance• Filling height• Percentage value• Lin. percent• Scaled• Current value• Meas. reliability• Electronics temperatureWhen the instrument is shipped, the measured value memory isactive and stores distance, measurement certainty and electronicstemperature every 3 minutes.In "Extended adjustment" you can select the respective measuredvalues.The requested values and recording conditions are set via a PC withPACTware/DTM or the control system with EDD. Data are thus readout and also reset.Up to 500 events are automatically stored with a time stamp in thesensor (non-deletable). Each entry contains date/time, event type,event description and value. Event types are for example:• Modification of a parameter• Switch-on and switch-off times• Status messages (according to NE 107)• Error messages (according to NE 107)The data are read out via a PC with PACTware/DTM or the controlsystem with EDD.The echo curves are stored with date and time and the correspondingecho data. The memory is divided into two sections:Echo curve of the setup: This is used as reference echo curve forthe measurement conditions during setup. Changes in the measure-ment conditions during operation or buildup on the sensor can thusbe recognized. The echo curve of the setup is stored via:• PC with PACTware/DTM• Control system with EDDMeasured value memoryEvent memoryEcho curve memory