ABB FS4000, Operating Instruction

Page: 5 / 126

Contents
D184B097U02 FV4000 / FS4000 5
8.7 Description of parameters ............................................................................................................................84
8.7.1 Nominal size..........................................................................................................................................84
8.7.2 Mean k factor ........................................................................................................................................84
8.7.3 Hardware config. ...................................................................................................................................85
8.7.4 Error 3/9 ................................................................................................................................................86
8.7.5 Standard factor......................................................................................................................................87
8.7.6 Operating density ..................................................................................................................................87
8.8 Parameterization of gases, steams, and liquids...........................................................................................88
9 Error messages ..........................................................................................................................................90
9.1 Error register ................................................................................................................................................90
9.1.1 Error register LCD display when no errors are pending .......................................................................90
9.1.2 Error register LCD display when errors are pending ............................................................................90
9.1.3 Power failure totalizer............................................................................................................................90
9.1.4 Clearing the error register .....................................................................................................................90
9.2 Error description ...........................................................................................................................................91
10 Maintenance / Repair .................................................................................................................................92
10.1 Maintaining the flowmeter sensor ................................................................................................................92
10.2 Cleaning .......................................................................................................................................................92
10.3 Replacing the transmitter .............................................................................................................................93
10.4 Disassembling the flowmeter .......................................................................................................................95
11 Ex relevant specifications .........................................................................................................................96
11.1 General ex relevant specifications ...............................................................................................................96
11.1.1 HART devices .......................................................................................................................................96
11.1.2 Fieldbus devices ...................................................................................................................................97
11.1.3 Differences between explosion-proof designs with regard to safety engineering ................................98
11.2 Ex "ib" / Ex "n" design for VT41/ST41 and VR41/SR41 (4 ... 20 mA / HART).............................................99
11.2.1 Supply power or supply current ............................................................................................................99
11.2.2 Approval data for hazardous areas.....................................................................................................100
11.2.3 Medium temperatures / Temperature classes ....................................................................................100
11.3 Ex "d" / Ex "ib" / Ex "n" design for VT42/ST42 and VR42/SR42 (4 ... 20 mA / HART) ..............................101
11.3.1 Supply power or supply current ..........................................................................................................102
11.3.2 Approval data for hazardous areas.....................................................................................................102
11.3.3 Medium temperatures / Temperature classes ....................................................................................103
11.4 FM approval design for the USA and Canada for VT43/ST43 and VR43/SR43 (4 ... 20 mA / HART)......103
11.4.1 Supply power or supply current ..........................................................................................................104
11.4.2 Medium temperatures / Temperature classes ....................................................................................104
11.4.3 Approval data for hazardous areas.....................................................................................................104
11.4.4 Trio-Wirl control drawing .....................................................................................................................105
11.5 EEX "ia" design for VT4A/ST4A and VR4A/SR4A (fieldbus) .....................................................................106
11.5.1 PROFIBUS PA electrical connection ..................................................................................................106
11.5.2 FOUNDATION Fieldbus electrical connection....................................................................................106
11.5.3 Approval data for hazardous areas.....................................................................................................107
11.5.4 Medium temperatures / Temperature classes ....................................................................................107
12 Specifications ...........................................................................................................................................108
12.1 Nominal diameter selection........................................................................................................................108
12.2 Measured value deviation for flow measurement.......................................................................................108
12.2.1 Reproducibility as a percentage of the measured value.....................................................................108
12.3 Measured value deviation for temperature.................................................................................................108