Process Intelligence ...............................................................................................................105
Echosperre ................................................................................................................................106
Position Echoerfassung .........................................................................................................107
Messbereich ......................................................................................................................................108
Nahbereich ...............................................................................................................................108
Endbereich ................................................................................................................................108
Reaktionszeit ......................................................................................................................................108
mA Ausgang .......................................................................................................................................108
Dämpfung ............................................................................................................................................109
Echoverlust (LOE) ..............................................................................................................................110
Ausfallverhalten ................................................................................................................................110
Failsafe Zeit ..............................................................................................................................110
Failsafewert ..............................................................................................................................110
Schleifenstrom ...................................................................................................................................116
Anlaufkurve ..............................................................................................................................117
Schwallrohrapplikation ..........................................................................................................122
Anhang F: HART ............................................................................................................124
HART Kommunikation ......................................................................................................................124
SIMATIC PDM ..........................................................................................................................124
HART Ausführung .............................................................................................................................127
Hornmaße .................................................................................................................................132
Abmessungen: Flansche .................................................................................................................136
1)
2)
,
..................................................................113
1)
............................................................115
iii