Vega VEGAPULS 62 standpipeversion Operating Instructions Manual
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9 Diagnosis, Asset Management and service9.1 MaintainingIf the device is used correctly, no maintenance is required in normaloperation.9.2 Measured value and event memoryThe instrument has several memories which are available fordiagnosis purposes. The data remain even with voltage interruption.Up to 70,000 measured values can be stored in the sensor in a ringmemory. Each entry contains date/time as well as the respectivemeasured value.Stored values are for example:l Original sensor valuel Filling heightl Signal currentl Meas. reliabilityl Electronics temperatureThe 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:l Modification of a parameterl Switching on and off timesl Status messagesl Error messagesThe 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 for themeasurement conditions during setup. Changes in the measurementconditions during operation or buildup on the antenna can thus berecognized.The echo curve of setup is stored via:l PC with PACTware/DTMl Control system with EDDl Indicating and adjustment moduleMeasured value memoryEvent memoryEcho curve memoryVEGAPULS 62 standpipe version • Foundation Fieldbus 359 Diagnosis, Asset Management and service36510-EN-120301 |
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