Juha Salimaki Area Sales Manager Country Manager India Beamex Oy Finland brPage 2br 1 What is calibration 2 Why calibrate 3 The operation of fieldbus transmitters 4 Fieldbus transmitters must also be calibrated 5 The principles of calibrati ng fiel ID: 64769
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Fieldbus transmitter must also be calibratedFieldbus transmitter must also be calibrated Area Sales Manager, Country Manager -India 1.What is calibration2.Why calibrate3.The operation of fieldbus transmitters4.Fieldbus transmitters must also be calibrated5.The principles of calibrati6.Conventional way of calibrating fieldbus transmitters7.New solution -Calibrating fieldbus transmitters with a Beamex Calibration can be briefly described as an The keywords here are known reference, Terminology differs between conventional and The primary reason for calibrating is that even the best instruments drift The drift makes calibration necessary.Environment conditions, elapsed time and type Even instruments of the same manufacturer, To maintain the credibTo maintain the quality of process instruments Safety and environmental regulations. ISO9000, other quality systems and ISO9000 and ISO14000 can assist in guiding Analogone-way signalOnly one variableA pair of cable to each instrumentConversion of mAsignal System CV-101 I/O SUBSYSTEM4-20 mA4-20 mA4-20 mA Digital two-way signalHuge amount of information is transferredSeveral instrument in one bus cableNo conventional I/O systems neededOpen standard Instruments from any Control System SEGMENT CONTROLLERHOST-LEVEL NETWORK(Profibus DP, Foundation HSE, etc) CV-101FT-101 FIELD-LEVEL NETWORK(Profibus PA, Foundation Fieldbus The main difference between a fieldbus that the output signal is a fully digital fieldbus Changing the output signal does not change the need for periodic calibration. Although modern fieldbus transmitters have Calibrator is needed to measure (generate) Process Fieldbus transmitterVoltage, Current, Resistance, etc Generate accurate process inputRead FF outputDocument resultsTrim (adjust) if requiredCalibration CANNOT be made Process Fieldbus transmitterVoltage, Current, Pulse,Resistance, etc Minimum two persons often requiredVarious measuring instruments neededManual documentation of calibrationDoesnt work for stand-alone transmitters Fieldbus Process Configuration System CONTROL ROOM FIELD calibrator and a fieldbusconfigurator, which Foundation Fieldbus H1 and ProfibusPA 1.Make connections-View/edit instrument configurations-Verify the instruments during commissioning2.Calibrate and document automatically-Simulate or generate the input and read the digital output of the Fieldbus instrument3.Trim (adjust) if required and perform As Left calibration automatically or manually4.Upload calibration results to calibration software and print the calibration certificate Thank You Thank You KIITOS!KIITOS!