Bronkhorst Multibus - Manual (Page 3)

BRONKHORST ®
Page 3 Operational instructions for digital multibus instruments 9.17.023
TABLE OF CONTENTS
1 GENERAL PRODUCT INFORMATION ................................................................................................. 5
1.1 I NTRODUCTION ................................................................................................................................................ 5
1.2 M ULTIBUS TYPES .............................................................................................................................................. 5
1.3 R EFERENCES TO OTHER APPLICABLE DOCUMENTS ..................................................................................................... 6
2 DIGITAL INSTRUMENT ..................................................................................................................... 7
2.1 G ENERAL ........................................................................................................................................................ 7
2.2 B ASIC DIAGRAM ............................................................................................................................................... 7
2.3 M EASURE AND CONTROL FUNCTIONAL BLOCK DIAGRAM ............................................................................................ 9
2.4 C ALIBRATION WITH MATHEMATICAL FUNCTIONS .....................................................................................................10
2.5 M ULTI F LUID / M ULTI R ANGE INSTRUMENTS .........................................................................................................11
3 PARAMETERS AND PROPERTIES ..................................................................................................... 12
3.1 G ENERAL .......................................................................................................................................................12
3.2 B RONKHORST SOFTWARE ..................................................................................................................................12
3.3 P ARAMETER USE .............................................................................................................................................13
4 NORMAL OPERATION PARAMETERS .............................................................................................. 16
4.1 M EASURE UNIPOLAIR .......................................................................................................................................16
4.2 M EASURE BIPOLAIR .........................................................................................................................................16
4.3 F MEASURE .....................................................................................................................................................16
4.4 S ETPOINT ......................................................................................................................................................17
4.5 F SETPOINT .....................................................................................................................................................17
4.6 S ETPOINT MONITOR MODE ................................................................................................................................17
4.7 S ETPOINT EXPONENTIAL SMOOTHING FILTER .........................................................................................................17
4.8 S ETPOINT SLOPE ..............................................................................................................................................18
4.9 A NALOG INPUT ...............................................................................................................................................18
4.10 C ONTROL MODE ..............................................................................................................................................18
4.11 S LAVE F ACTOR ................................................................................................................................................19
4.12 F LUID NUMBER ...............................................................................................................................................19
4.13 F LUID NAME ...................................................................................................................................................19
4.14 V ALVE OUTPUT ...............................................................................................................................................20
4.15 T EMPERATURE ................................................................................................................................................20
4.16 A CTUAL DENSITY .............................................................................................................................................20
4.17 S ENSOR TYPE ..................................................................................................................................................20
4.18 C APACITY 100% .............................................................................................................................................20
4.19 C APACITY 0% .................................................................................................................................................20
4.20 C APACITY UNIT INDEX .......................................................................................................................................21
4.21 C APACITY UNIT ...............................................................................................................................................22
5 CONTROL PARAMETERS................................................................................................................. 23
5.1 PID-K P .........................................................................................................................................................23
5.2 PID-T I ..........................................................................................................................................................23
5.3 PID-T D .........................................................................................................................................................23
5.4 C ONTROLLER SPEED .........................................................................................................................................23
5.5 O PEN FROM Z ERO RESPONSE .............................................................................................................................23
5.6 N ORMAL S TEP RESPONSE ..................................................................................................................................24
5.7 S TABLE RESPONSE ...........................................................................................................................................24
5.8 S ENSOR DIFFERENTIATOR U P .............................................................................................................................24
5.9 S ENSOR DIFFERENTIATOR D OWN ........................................................................................................................24
5.10 S ENSOR EXPONENTIAL SMOOTHING FILTER ............................................................................................................24
5.11 V ALVE SAFE STATE ...........................................................................................................................................25
6 ALARM / STATUS PARAMETERS ..................................................................................................... 26
6.1 G ENERAL .......................................................................................................................................................26
6.2 F UNCTIONAL ALARM SCHEMATIC .........................................................................................................................26
6.3 A LARM INFO ..................................................................................................................................................27
6.4 A LARM MODE ................................................................................................................................................27