Siemens FST020 - Page 6

Table of contents
FST020 Function manual
4 Function Manual, 09/2017, A5E42949526-AA
3.1.5.3 Process temperature .............................................................................................................. 24
3.1.5.4 Kinematic viscosity ................................................................................................................. 25
3.1.5.5 Process density ...................................................................................................................... 25
3.1.6 Sensor selection..................................................................................................................... 25
3.1.6.1 Sensor model ......................................................................................................................... 25
3.1.6.2 Clamp-on sensor size ............................................................................................................ 26
3.1.6.3 Nominal sensor frequency ..................................................................................................... 26
3.1.6.4 Sensor crystal projection ........................................................................................................ 26
3.1.6.5 Sensor phase velocity ............................................................................................................ 26
3.1.6.6 Sensor inactive wedge ........................................................................................................... 27
3.1.6.7 Sensor fixed time ................................................................................................................... 27
3.1.6.8 Mounting hole offset ............................................................................................................... 27
3.1.6.9 Spacing offset ........................................................................................................................ 27
3.1.6.10 Temperature code of the sensor ............................................................................................ 28
3.1.6.11 Temperature compensation factor ......................................................................................... 28
3.1.6.12 Length of sensor cables ......................................................................................................... 28
3.1.7 Path settings .......................................................................................................................... 29
3.1.7.1 Installed paths ........................................................................................................................ 29
3.1.7.2 Path 1 ..................................................................................................................................... 29
3.1.7.3 Path diagnostic alarm limits ................................................................................................... 31
3.1.8 User calibration ...................................................................................................................... 32
3.1.8.1 Slope ...................................................................................................................................... 32
3.1.8.2 Path 1 offset ........................................................................................................................... 32
3.1.9 Multipoint calibration .............................................................................................................. 33
3.1.9.1 Enable multipoint calibration .................................................................................................. 33
3.1.9.2 Asymmetric calibration table .................................................................................................. 33
3.1.9.3 Calibration point ..................................................................................................................... 34
3.1.9.4 Multipoint calibration table ..................................................................................................... 34
3.1.10 Flow direction ......................................................................................................................... 35
3.1.11 Miscellaneous ........................................................................................................................ 35
3.1.11.1 Preamplifier Setting ................................................................................................................ 35
3.1.11.2 Number of pulses to be transmitted ....................................................................................... 36
3.1.11.3 Minimum ringdown delay ....................................................................................................... 36
3.1.11.4 Electronic time delay .............................................................................................................. 36
3.1.12
Configuration of test blocks .................................................................................................... 37
3.1.12.1 About ...................................................................................................................................... 37
3.1.12.2 Sensor size ............................................................................................................................ 37
3.2 Process values ....................................................................................................................... 38
3.2.1 Volume flow ............................................................................................................................ 38
3.2.1.1 Units ....................................................................................................................................... 38
3.2.1.2 Custom units .......................................................................................................................... 38
3.2.1.3 Custom conversion factor ...................................................................................................... 39
3.2.1.4 Decimal places ....................................................................................................................... 39
3.2.1.5 Low flow cut-off ...................................................................................................................... 39
3.2.1.6 Alarm and warning limits ........................................................................................................ 40
3.2.2 Mass flow ............................................................................................................................... 41
3.2.2.1 Units ....................................................................................................................................... 41
3.2.2.2 Custom units .......................................................................................................................... 41
3.2.2.3 Custom conversion factor ...................................................................................................... 42
3.2.2.4 Decimal places ....................................................................................................................... 42
3.2.2.5 Low flow cut-off ...................................................................................................................... 42
3.2.2.6 Alarm and warning limits
........................................................................................................ 43