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Emerson 7829 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    Inst allation and Configuration Manual P/N MMI-20015441, Rev . AA July 2009 Micro Motion ® 7829 V iscomaster ® and V iscomaster Dynamic ™ V iscosity Meters[...]

  • Page 2

    ©2009, Micro Motion, Inc. All rights reserved. V iscomaster is a registered tr ademark, and Visc omaster Dynamic is a trademark of one of the compa nies of Emerson Electric Co. Micro Motion is a registered t rade name of Micro Mot ion, Inc., Boulder , Colorado. The Micro Motion and Emerson log os are trademarks and service mar ks of Emerson Electr[...]

  • Page 3

    Installation and Conf iguration Manual i Contents Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Safety guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 About the m eter . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 4

    ii Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Contents 3.8.3 RS-485 multi-drop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3.8.4 T r ansmission mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Chapter 4 Using ADView and ProLink II[...]

  • Page 5

    Installation and Conf iguration Manual iii Contents B.3 Kinematic v iscosity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 B.4 Base kinema tic viscosity referral using ASTM D341 . . . . . . . . . . . . . . . . . . . . . . . . . 63 B.5 Ignition qua lity . . . . . . . . . . . . . . . . . . . . [...]

  • Page 6

    iv Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Contents[...]

  • Page 7

    Installation and Conf iguration Manual 1 Installation Using AD View and Pro Link II Electrical Connections Intro duction Chapter 1 Introduction 1.1 Safety guidelines Handle the 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter with great care. • Do not drop the meter . • Do not use liquids incompatible with mater ials of const ruc[...]

  • Page 8

    2 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Introduction T wo forms of output are a vailable: • T wo of f 4-20 mA analog outputs, factory set b ut ha ve ind ivid ually conf igurable span, bias, limits, and filter options. The stan dard factory settings for thes e outputs are Line Kinematic V iscosity on Analog[...]

  • Page 9

    Installation and Conf iguration Manual 3 Introduction Installation Using AD View and Pro Link II Electrical Connections Intro duction 1.2.4 What is it used for? The 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter is design ed specifically to control the viscosity of Hea vy Fuel Oil (HFO) used by po we r plants. This is typically ach[...]

  • Page 10

    4 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Introduction Figure 1-1 T ypical HFO Fu el Circuit 1 HFO fuel tank 2 Mix er 3 Re-circulation pump 4 Fuel heater 5 Control valv e 6 Viscomaster 7 Heater Controller 8 P ersonal Computer (PC) 9 Engine Manageme nt Computer 10 Bur ner or 11 Large Diesel Engine 12 Unburned f[...]

  • Page 11

    Installation and Conf iguration Manual 5 Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Chapter 2 Installation 2.1 Introduction There are a v ariety of external f actors that af fect the ability of the 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter to operate successfully . In order to ensure that y[...]

  • Page 12

    6 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation Factors which may adv ersely affect the rele vance of the measurements could include: • Measurement used for control purposes being made too far away from the point of control, so that the system cannot respond properly to chang es. • Measurements made[...]

  • Page 13

    Installation and Conf iguration Manual 7 Installation Installation Using AD View and Pr oLink II Electrical Conn ections Introduction This next vie w shows other pipe outlines superimposed: The smaller circle represents a 4" (100 mm) v ertical pipe, which because the meter orientation is constant irrespectiv e of pipe orientatio n intersects t[...]

  • Page 14

    8 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation From this, it would appear that almost e very installa tion requires a separate in situ calibration – a very undesirable situation. Th e problem is resolv ed by pro viding standard ca li bration geometries which can be used in all pipe work co nfiguratio[...]

  • Page 15

    Installation and Conf iguration Manual 9 Installation Installation Using AD View and Pr oLink II Electrical Conn ections Introduction 2.2.4 Entrained ga s Gas pock ets can disrup t the measuremen t. A brief disruption i n the signal caused by transient gas pockets can be neg ated in the signal conditioning software, b ut more frequen t disruptions [...]

  • Page 16

    10 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation 2.4 Standard installations 2.4.1 Over view T o ov ercome the need for in situ calibration for ev ery installation, three st andard installations are proposed. If an installation conforms to one of these standards, th e f actory calibration of the 7829 Vi [...]

  • Page 17

    Installation and Conf iguration Manual 11 Installation Installation Using AD View and Pr oLink II Electrical Conn ections Introduction These three types of st andard installation are graphically sh own in the following schematic. 2.4.2 Meter orientatio n The meter must alwa ys be installe d horizontally , and orientated to allo w flow in the gap be[...]

  • Page 18

    12 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation Figure 2-1 Meter orientation Note: All dr awings and dimensions given in t h e following sections ar e derived fr om detailed dimensional drawings. They ar e given he r e for planning purposes on ly . Befor e commencing fabrication, r eference should alwa[...]

  • Page 19

    Installation and Conf iguration Manual 13 Installation Installation Using AD View and Pr oLink II Electrical Conn ections Introduction The three compression f ittings on the flo w pockets (½" drain, ¾" temp probe, and 1-½" mounting nut for the meter) are rated to abo ve the w orking pre ssure of the flo w pocket. The f ittings may[...]

  • Page 20

    14 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation The 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter is mounted 0.98” (25 m m) aw ay from the main flo w line, allo wing good product mix ing, sensor protection and stable measurement conditions. T ypical dime nsions are sh o wn in Figure[...]

  • Page 21

    Installation and Conf iguration Manual 15 Installation Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Figure 2-2 V AF Viscosense retrofit dimensions 14.49 (368) 5.9 (150) 150 mm unit shown DN50 PN16 flang es shown Dimensions show n in inches (mm)[...]

  • Page 22

    16 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation 2.4.5 V AF Viscotherm retrofit Conditions: • T emperature: -50 to +200 ° C (–58 °F to 392 °F) • Flo w: 40 to 330 l/min (2.5 to 20 m 3 /hr) (11 to 87 US g al/min) • V iscosity limit: Up to 100 cSt • Pressure: As defined by process flanges • [...]

  • Page 23

    Installation and Conf iguration Manual 17 Installation Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Figure 2-3 V AF Viscotherm retrofit dimensions Dimensions shown in inches (mm) 1.57 (40) 11.85 (301) 4.5 (115) Ø 6.3 (160)[...]

  • Page 24

    18 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation 2.5 Commissioning 1. Once the pipe work installation has been prepar ed, and before installin g the 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter and thermal insula tion, fit a blanking compression nut to the meter mounting, and pr essur[...]

  • Page 25

    Installation and Conf iguration Manual 19 Installation Installation Using AD View and Pr oLink II Electrical Conn ections Introduction When the abov e conditions are satisf ied, slacken the lock nut by 1-½ to 2 turns, suf ficient for the sensor to be rocked. (If necessary , jolt the meter loose with a blow of the hand to the amplifier housing.) Th[...]

  • Page 26

    20 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Installation[...]

  • Page 27

    Installation and Conf iguration Manual 21 Electrical Connectio ns Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLink II[...]

  • Page 28

    22 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns It is recommended that bo th outputs are installed, requiring a minimum of eight wires (two for each output, and tw o for po wer). Although you may not immediately require the Modbu s connection, it may be required for in-s itu calibration adju[...]

  • Page 29

    Installation and Conf iguration Manual 23 Electrical Connectio ns Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLink II[...]

  • Page 30

    24 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns Another method of sur ge protection is to connect an MO V (Metal Oxide V aristor) (breakdown v oltage >30 V) with an NE-2 neon b ulb in parallel across each wire and ground. These can be mou nted in a junction box cl ose to the meter. If the[...]

  • Page 31

    Installation and Conf iguration Manual 25 Electrical Connectio ns Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLink II[...]

  • Page 32

    26 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns 3.3 Wiring the meter Figure 3-2 shows the terminal board of the 7829 V isco master ® / V iscomaster Dynamic ™ viscosity meter. T o re veal the terminal board, it is nece ssary to unscrew the housin g cap; the procedure is described in the W [...]

  • Page 33

    Installation and Conf iguration Manual 27 Electrical Connectio ns Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLink II[...]

  • Page 34

    28 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns Figure 3-4 Modbus co nnections < 100 m 3.6 4-20 mA outputs Te r m i n a l s 5 , 6 , 7 and 8 are for connecting the two 4-20 mA analog outputs to e xternal de vices, such as a signal con verter . Upon leaving the factory , the two 4-20 mA ana[...]

  • Page 35

    Installation and Conf iguration Manual 29 Electrical Connectio ns Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLink II[...]

  • Page 36

    30 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns Figure 3-7 4–20 mA output using a third power supply Note: The e xternal devi ce must be located in a non-ha zar dous (safe) ar ea unless it is explosio n pr oof and suitably certified. Fault conditions within t he m ete r are indicated by a [...]

  • Page 37

    Installation and Conf iguration Manual 31 Electrical Connectio ns Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLink II[...]

  • Page 38

    32 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns 3.8 Further informat ion on RS-485 3.8.1 RS-485 The meter’ s Modbus communic ations uses the RS-485 electrical standard. This uses the difference between the two signal cores to transmit and detect logic lev els, and is therefore able to tole[...]

  • Page 39

    Installation and Conf iguration Manual 33 Electrical Connectio ns Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLink II[...]

  • Page 40

    34 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns Figure 3-9 Modbus co nnections > 100 m The default conf iguration of the KD485-ADE has Port 2 conf igured for 9600 baud. This is the correct baud rate for the meter. (S ee Section 3.8.4 for details). The switch on the KD485-ADE should be set[...]

  • Page 41

    35 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns 3.8.3 RS-485 multi-drop When se veral de vices are connected in parallel on an RS-485 network, t his is known as a multi-drop network. Although it is theoretically possible to ha ve up to 256 de vices, in practice this is limited to around 32 o[...]

  • Page 42

    36 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Electrical Connectio ns[...]

  • Page 43

    Installation and Conf iguration Manual 37 Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Chapter 4 Using ADView and ProLink II 4.1 Using ADView software 4.1.1 What is ADView? AD V iew is a software package provided by Micro Motion to enable you to: • Conf igure our density and viscosity meters. • V ie w and sav [...]

  • Page 44

    38 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Using ADView and ProLink II 4. When the installation program st arts, you will be asked to supply your name and company name for registration purposes, and supply a dire ctory path into which AD V iew’ s f iles can be loaded (a default director y path will be sugges[...]

  • Page 45

    Installation and Conf iguration Manual 39 Using ADView and ProLink II Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLin[...]

  • Page 46

    40 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Using ADView and ProLink II When it finds a de vice, the message box belo w appears: If no acti ve de vice is found, a warning message is given: In this case, check that the device is po wered up co rrectly , that the cables an d adapter are pushed fully home, and tha[...]

  • Page 47

    Installation and Conf iguration Manual 41 Using ADView and ProLink II Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLin[...]

  • Page 48

    42 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Using ADView and ProLink II Certain parameters are not av ailable for configura tion by AD V ie w , including the Density Of fset value which may be required to fine tune the calibration of the meter . Howe ver , AD V iew does ha ve tools for reading and writing to in[...]

  • Page 49

    Installation and Conf iguration Manual 43 Using ADView and ProLink II Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLin[...]

  • Page 50

    44 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Using ADView and ProLink II Register Read / Write In a fe w cases, it may be useful to write directly to a singl e Modbus re gister . T wo likely occasions for using this feature are to set the Slav e Address of the unit and to co nfigure a density of fset. Appendix B[...]

  • Page 51

    Installation and Conf iguration Manual 45 Using ADView and ProLink II Installation Using AD View and Pr oLink II Electrical Conn ections Introduction Installa tion Using AD View and Pr oLink II Electrical Connections Introducti on Installation Using AD View and Pr oLink II Electrical Connections Intr oduction Installation Usin g AD View and Pr oLin[...]

  • Page 52

    46 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Using ADView and ProLink II 4.2.4 ProLink II con figuration upload/do wnload ProLink II provides a conf iguratio n upload/do wnload function which a llo ws you to sav e configurati on sets to your PC. This allo ws: • Easy backup and restore of meter conf iguration ?[...]

  • Page 53

    Installation and Conf iguration Manual 47 General Maintenance Calibration Chec k Chapter 5 Calibration Check 5.1 Calibration 5.1.1 Factory calibration Prior to leaving the f actory , the 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter is calibrated within a standard physical bo undary (typically 52.5 mm diameter) against T ransfer S[...]

  • Page 54

    48 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Calibration Check 5.1.3 Instrument calibration Each meter is issued with its o w n calibration which is programmed into the instrument electronics before it leav es the factory . Under normal circumsta n ces it should not be necessary to re-calibrate the meter provide[...]

  • Page 55

    Installation and Conf iguration Manual 49 Calibration Check General Maintenance Calibration Chec k 5.2 Calibration certi ficate examples 5.2.1 Viscomaster sample calibration certificate Note: F igur e 5-1 is an example only . It is NO T the calibration certificat e for your V iscomaster . Figure 5-1 Ex ample Calibration Certificat e for Viscomaster[...]

  • Page 56

    50 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Calibration Check 5.2.2 Viscomaster Dynamic sample calibration certificate Note: F igur e 5-2 is an example only . It is NO T the calibration certificat e for your V iscomaster . Figure 5-2 Example Calibration Certifi cate for Viscomaster Dynamic (Metric Units) CALIBR[...]

  • Page 57

    Installation and Conf iguration Manual 51 Calibration Check General Maintenance Calibration Chec k 5.3 User calibration checks 5.3.1 Ambient air calibration check An air check is a simple and co n venient method to see if any long term drift o r corrosion and deposition on the tines has occurred. Ambient air check procedure: 1. Isolate and, if nece[...]

  • Page 58

    52 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Calibration Check Energy In stitute: HM7. Density , sediment and water . Section 1: Genera l guidance on test methods (fo rmerly PMM P art VII, S1) 1st ed 1996 ISBN 9 78-0-85293-154-7 Energy In stitute: HM8. Density , sediment and water . Section 2: Contin uous densit[...]

  • Page 59

    Installation and Conf iguration Manual 53 General Maintenance Calibration Chec k Chapter 6 General Maintenance 6.1 Overvie w The 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter is rugged and robust, and has no moving parts. When correctly i nst alled and operated, servicing is no t normally required, ev en with poor quality fluid, a[...]

  • Page 60

    54 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters General Maintenance 6.2.2 Electrical check 1. Check the po wer supply and current consumption at the meter terminals, p ins 1 and 2, ha ving disconnected all analog outputs. These s hould gi v e 35 mA to 42 mA at 22.8 V to 25.2 V . If the current consumption is outsid[...]

  • Page 61

    Installation and Conf iguration Manual 55 General Maintenance General Maintenance Calibration Chec k Analog output = 0 mA No power to analog outpu t If v oltage across pins 5 and 6 is not 15 to 28 V , re place power supply . Analog output circuit failure Use AD View’ s facility to set the analog output to 4, 12 or 20 mA (in Board Configuration) t[...]

  • Page 62

    56 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters General Maintenance 6.3.2 Mechanical servicing This mainly comprises the cleanin g of an y deposition or corrosion from the tines. Deposi tion is remov ed by the use of a suitable solv ent. For corrosi on, solvent and the careful use of a f ine abrasi ve will usually [...]

  • Page 63

    Installation and Conf iguration Manual 57 General Maintenance General Maintenance Calibration Chec k • Modbus Register 137: contains the T ime period count, which is the maximum number of measurements to be rejected before resuming no rmal operation; the preset v alue is 2. If the v alue is set to 0, TPT is disabled, and th e output will al ways [...]

  • Page 64

    58 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters General Maintenance[...]

  • Page 65

    Installation and Conf iguration Manual 59 Calculated Parameters Modbus Communications Safety Certification Factory Default Settings Appendix A Factor y Default Settings A.1 Default configuration for analog outputs The 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter is supplied in a standard configuration. Analog Output 1 is set to p[...]

  • Page 66

    60 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Factory Defa ult Settings Line density scale factor (Not Applicable) 1 Line density offset (Not Applicable) 0 API referral: Product type (Not Applicable) General refined User K0 (Not Applicable) +0000E+00 User K1 (Not Applicable) +0000E+00 Base temperature (Not Applic[...]

  • Page 67

    Installation and Conf iguration Manual 61 Calculated P arameters Modbus Communications Safety Certification Factory Default Settings Appendix B Calculated Parameters B.1 Overview The 7829 V iscomaster ® / V iscomaster Dynamic ™ viscosity meter is capabl e of calculating a number of parameters based on the meas ured line dynamic viscosity , densi[...]

  • Page 68

    62 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Calculated Paramete rs where K 0 and K 1 are known as the API f actors. Hydrocarbon group selectio n The hydrocarbon group can be selected as: • General refined products • General crude products • User defi ned K 0 and K 1 are programmed into the meter for the f[...]

  • Page 69

    Installation and Conf iguration Manual 63 Calculated Paramete rs Calculated P arameters Modbus Communications Safety Certification Factory Default Settings A correlation equation has been es tablished for from the a vailabl e compressibility data; such as, log e C = -1.62080 + 0.0002159 2t + 0.87096 x 10 6 ( ρ 15 ) -2 + 4.2092t x 10 3 ( ρ 15 ) -2[...]

  • Page 70

    64 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Calculated Paramete rs Where: • t = T emperature in deg C • ν = Kinematic viscosity (cSt) • ρ 15 = Density at base temperature 15 ° C. The carbon aromaticity index (CCA I ) is defined as: Where: • t = T emperature in deg C • ν = Kinematic viscosity (cSt)[...]

  • Page 71

    Installation and Conf iguration Manual 65 Safety Cer tification Calculated Parameters Modbus Communications Safety Certification Factory Default Settings Appendix C Safety Certification C.1 Safety certification Please contact Micro Motion if you need to ha ve copies of the latest safety certif ication for the 7829 Vi s c o m a s t e r ® / V iscoma[...]

  • Page 72

    66 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Safety Cer tification[...]

  • Page 73

    Installation and Conf iguration Manual 67 Modbus Commu nications Calculated P arameters Modbus Communications Safety Certification Factory Default Settings Calculated P arameters Modbus Communications Safety Certification Factory Default Settings Calculated P arameters Modbus Communications Safety Certification Factory Default Settings Calculated P[...]

  • Page 74

    68 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Modbus Commu nications D.2 Accessing Modbus registers Any de vice which can dri ve the RS-485 interface on the 7829 V i scomaster ® / V iscomaster Dynamic ™ viscosity meter can, in theory , access the Modbus re gist ers. In practice, some sort of user interface is [...]

  • Page 75

    Installation and Conf iguration Manual 69 Modbus Commu nications Calculated P arameters Modbus Communications Safety Certification Factory Default Settings Calculated P arameters Modbus Communications Safety Certification Factory Default Settings Calculated P arameters Modbus Communications Safety Certification Factory Default Settings Calculated P[...]

  • Page 76

    70 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Modbus Commu nications 4 Base density units Long integer D .5.2 5 T emperat ure units Long intege r D .5.2 9 Output av e raging time Long integer D .5.3 10 Analog Output 1 selected variable Long integer D .5.4 11 Analog Output 2 selected variable Long integer D .5.4 1[...]

  • Page 77

    Installation and Conf iguration Manual 71 Modbus Commu nications Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated Pa rameters Modbus Communications Safety Certification Factory Default Settings Calculated[...]

  • Page 78

    72 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Modbus Commu nications D.5 Index cod es This section provides an interp retation of the numerical indices used to represent non-numerical va lu es . 263 R TD resistance (in ohms) (1) 4-byte float 264 Meter coil pickup le v el (in volts) (1) 4-b yte float 265 Meter res[...]

  • Page 79

    Installation and Conf iguration Manual 73 Modbus Commu nications Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated Pa rameters Modbus Communications Safety Certification Factory Default Settings Calculated[...]

  • Page 80

    74 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Modbus Commu nications D.5.4 Analog output selection Used in Re gister 10. D.5.5 Referral temperature Used in Re gister 27 D.5.6 Software versio n Used in Re gister 49. D.5.7 Hardware type Used in Re gisters 61. Index Output 0 Density 1 Ref erred Density 2 T emperat u[...]

  • Page 81

    Installation and Conf iguration Manual 75 Modbus Commu nications Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated Pa rameters Modbus Communications Safety Certification Factory Default Settings Calculated[...]

  • Page 82

    76 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Modbus Commu nications D.5.10 Line dynamic viscosity units Used in Re gister 421. D.6 Establishing Modbus communications Using AD V iew , it is possible to establish which devi ces are a v ailable on the network, and their sla ve addresses. Ho wever , if you are not u[...]

  • Page 83

    Installation and Conf iguration Manual 77 Modbus Commu nications Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated Pa rameters Modbus Communications Safety Certification Factory Default Settings Calculated[...]

  • Page 84

    78 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Modbus Commu nications D.7 Example of direct Modbus access In many applications, direct a ccess to Modb us will be unnecessary . AD V ie w provides a w ay of confi guring the 7829 V iscomaster ® / V iscom aster Dynami c ™ viscosity meter, and for accessing indi vid[...]

  • Page 85

    Installation and Conf iguration Manual 79 Modbus Commu nications Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated P arameters Mo dbus Communications Safety Certification Factory Default Settings Calculated Pa rameters Modbus Communications Safety Certification Factory Default Settings Calculated[...]

  • Page 86

    80 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Modbus Commu nications[...]

  • Page 87

    Installation and Conf iguration Manual 81 Return P olicy Product Data Appendix E Product Data E.1 Density / temperat ure relationship of hydrocarbo n products E.1.1 Crude oil E.1.2 Refined products Ta b l e E - 1 Crude oil T emp. (°C) Density (kg/m 3 ) 60 738.9 1 765.06 791.94 8 17.15 843.11 869.01 894 .86 920.87 946.46 55 742.9 6 768.98 794.93 8 [...]

  • Page 88

    82 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Product Data The abov e tables are deri ved from equations, which form the basis of the data in the Revised P etr oleum Measur ement T ables (IP 200, ASTM D1250, API 254 0 and ISO R91 Addendum 1). The density tempera ture relationship used is: Where: = Density at line[...]

  • Page 89

    Installation and Conf iguration Manual 83 Product Data Return P olicy Product Data E.1.4 Density of ambient air T aken at a relati ve humidity of 50%. E.1.5 Density of water Use pure, bubble-free water . Ta b l e E - 4 Density of ambient air (in kg/m 3 ) Air Pressure Air T emperature (°C) ( m b ) 6 1 01 41 82 22 63 0 900 1.122 1.105 1.0 89 1.073 1[...]

  • Page 90

    84 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Product Data E.1.6 Velocity of sound in liquids Ta b l e E - 6 Velocity of sound in liquids Liquid T emp. (t °C) V elocity of Sound (m s –1 ) Rate of Change ( m s –1 K –1 ) Acetic acid 20 1173 ---- Acetone 20 1190 –4.5 Amyl acetate 29 1173 ---- Aniline 20 165[...]

  • Page 91

    Installation and Conf iguration Manual 85 Product Data Return P olicy Product Data n-P entane 20 1044 –4.2 n-Prop yl acetate 26 1182 ---- T oluen e 20 1320 –4.3 T ur pe ntine 25 1225 ---- W ater (distilled) 10 1447.2 ---- 20 1482.3 ---- 30 1509.1 ---- 50 1542.5 ---- 70 1554.8 ---- W ater (sea) –4 1430.2 ---- 00 1449.5 ---- 05 1471.1 ---- 15 1[...]

  • Page 92

    86 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Product Data[...]

  • Page 93

    Installation and Conf iguration Manual 87 Return P olicy Product Data Appendix F Return Policy F .1 General guide lines Micro Motion pro cedures must be followed when returning equipment. These proced ures ensure legal compliance with gov ernment transportation agencies and help pro vide a safe working en vironment for Micro Motion employees. Failu[...]

  • Page 94

    88 Micro Motion 7829 Viscoma ster ® and Viscomaster Dynamic ™ Viscosity Meters Return Policy[...]

  • Page 95

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    Micro Motion USA Worldwide Headquarters 7070 Winchester Circle Boulder , CO 80301 T +1 303-527-5200 +1 303-522-6277 F +1 303-530-8459 Micro Motion Slough Emerson Process Management 158 Edinburgh Avenue Slough, Berks, UK SL1 4UE T +44 1753 756600 F +44 1753 823589 Micro Motion Asia Emerson Process Management 1 Pandan Crescent Singapore 128461 Republ[...]