ABB FV4000-VT4, Инструкция по эксплуатации

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Contents
6 FV4000-VT4/VR4 / FS4000-ST4/SR4 D184B097U02
10.4 Replacing the transmitter ...........................................................................................................................101
10.5 Disassembling the flowmeter .....................................................................................................................103
11 Ex relevant specifications ..............................................................................................................................104
11.1 General technical data for hazardous areas ..............................................................................................104
11.1.1 HART devices .....................................................................................................................................104
11.1.2 Fieldbus devices .................................................................................................................................105
11.1.3 Differences between explosion-proof designs with regard to safety engineering...............................106
11.2 Ex "ib" / Ex "n" design for VT41/ST41 and VR41/SR41 (4 ... 20 mA / HART)...........................................107
11.2.1 Supply power or supply current ..........................................................................................................107
11.2.2 Approval data for hazardous areas.....................................................................................................108
11.2.3 Medium temperatures / Temperature classes ....................................................................................108
11.3 Ex "d" / Ex "ib" / Ex "n" design for VT42/ST42 and VR42/SR42 (4 ... 20 mA / HART) ..............................109
11.3.1 Supply power or supply current ..........................................................................................................110
11.3.2 Approval data for hazardous areas.....................................................................................................110
11.3.3 Medium temperatures / Temperature classes ....................................................................................111
11.4 FM approval design for the USA and Canada for VT43/ST43 and VR43/SR43 (4 ... 20 mA / HART)......111
11.4.1 Supply power or supply current ..........................................................................................................112
11.4.2 Medium temperatures / Temperature classes ....................................................................................112
11.4.3 Approval data for hazardous areas.....................................................................................................112
11.4.4 Trio-Wirl control drawing .....................................................................................................................113
11.5 EEX "ia" design for VT4A/ST4A and VR4A/SR4A (fieldbus) .....................................................................114
11.5.1 PROFIBUS PA electrical connection ..................................................................................................114
11.5.2 FOUNDATION Fieldbus electrical connection....................................................................................114
11.5.3 Approval data for hazardous areas.....................................................................................................115
11.5.4 Medium temperatures / Temperature classes ....................................................................................115
12 Specifications ..................................................................................................................................................116
12.1 Static overpressure in the case of fluids ....................................................................................................116
12.2 Standard densities of selected gases ........................................................................................................116
12.3 Overload capability.....................................................................................................................................116
12.4 Measured value deviation for flow measurement ......................................................................................116
12.4.1 Minimum Reynolds number Re min for linear start of scale value......................................................116
12.4.2 Reproducibility as a percentage of the measured value.....................................................................116
12.5 Measured value deviation for temperature.................................................................................................117
12.6 Temperature of medium .............................................................................................................................117
12.7 Reference conditions for flow measurement..............................................................................................117
12.8 Process connections ..................................................................................................................................117
12.9 Materials.....................................................................................................................................................118
12.10 Ambient conditions .....................................................................................................................................119
12.10.1 Permissible operating pressures FV4000 ...........................................................................................120
12.10.2 Permissible operating pressures FS4000 ...........................................................................................121