Vega FiberFlex LFXG-H, Руководство по эксплуатации

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vi LFXG-H Installation and Operation Guide
Switch for CE compliance ...................................................................37
Output current loop .............................................................................37
Relay ....................................................................................................... 37
RS-485 .................................................................................................... 38
Communication ...................................................................................38
Process alarm override switch ............................................................38
Conduit ...............................................................................................39
Commissioning the gauge ........................................................................39
Field service commissioning call checklist .........................................40
Chapter 3 Calibration ..................................................... 41
Calibrating the current loop (analog output) ..............................................41
Measuring the current loop output ......................................................42
Calibration methods ..................................................................................44
Theory of calibration ...........................................................................44
Both calibration methods ......................................................................... 44
Standard calibration method ................................................................... 45
Simple calibration method ....................................................................... 47
Choosing the linearizer type .....................................................................47
Table - Non-linear ...............................................................................48
Table - Linear .....................................................................................48
Checking the gauge repeatability ..............................................................49
Calibration procedures ..............................................................................51
1 Setting the low level and collecting Cal Low data ................................ 51
2 Setting the high level and collecting Cal High data .............................. 53
3 Collecting the linearizer table data ....................................................... 53
4 Calculating the linearity ........................................................................ 55
5 Calculating the calibration .................................................................... 56
Repeating the calibration ......................................................................... 56
Periodic process standardization ..............................................................57
Standardization reminder ...................................................................57
Chapter 4 Advanced functions ...................................... 59
Process chain ...........................................................................................59
Gauge Information ....................................................................................62
Process Variables tab .........................................................................62
Gauge Info tab ....................................................................................63
Min/Max History tab ............................................................................64
New hardware or corrupt EEPROM ..........................................................65
New Hardware tab ..............................................................................66
Responding to the New hardware found message .............................66