Fisher 8800A manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Fisher 8800A. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Fisher 8800A o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Fisher 8800A se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Fisher 8800A, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Fisher 8800A debe contener:
- información acerca de las especificaciones técnicas del dispositivo Fisher 8800A
- nombre de fabricante y año de fabricación del dispositivo Fisher 8800A
- condiciones de uso, configuración y mantenimiento del dispositivo Fisher 8800A
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Fisher 8800A no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Fisher 8800A y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Fisher en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Fisher 8800A, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Fisher 8800A, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Fisher 8800A. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    Model 8800C and Model 8800A V or tex Flowm eter with F OUNDATI ON ™ Fieldbus (Dev ice Re vis ion 2) 00809- 0100-477 2 Englis h Re v . D A[...]

  • Página 2

    Product Man ual Model 8800C and Model 8800A V or tex Flo wmeter with F OUNDATION ™ Fieldb us (Device Rev ision 2 ) Rosemo unt, th e Rosem ount lo gotype, Fi sher -Rosem ount, M anagin g the Pr ocess B etter, and Plan tWeb are mark s of on e of th e Fishe r-Ros emount gr oup of compan ies. F OUNDATION is a trademar k of the Fie ldbus Foundation . [...]

  • Página 3

    T ab le of Contents Procedures and instructions in this manual may require special precautions to ensure the saf ety of t he personnel perf orming the operations. Refer to the safety messages at the beginning of each section befor e performing any op erations. IMPORT ANT i SECTION 1 Introduction How to Use This Manual . . . . . . . . . . . . . . . [...]

  • Página 4

    ii Calibratio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Software Configurati on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-22 T agging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 SECTION 3 Flowmeter Operation Overview . . . . . . . . . . . . . [...]

  • Página 5

    iii Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Flow Ra te V alue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14 Shedding Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14 Sensor S ignal Strengt h . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Lowpas[...]

  • Página 6

    iv Remote E lectronics P rocedure . . . . . . . . . . . . . . . . . . . . . . .6-19 Disconnect the Coaxial Cable at the Mete r . . . . . . . . . .6-19 Detach the Meter Adapte r . . . . . . . . . . . . . . . . . . . . . . . 6-20 Attach the Meter Adapt er . . . . . . . . . . . . . . . . . . . . . . .6-20 Connect the Coaxial C able at the Meter . . . [...]

  • Página 7

    v Configuratio n Data Sheet (CDS) . . . . . . . . . . . . . . . . . . . . . . . .8-14 Item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-14 U .S. Unit (SI Unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14 SECTION 9 Electr onics V erifica - tion Safety M essages . . . . . . . . . . . . . . . . [...]

  • Página 8

    vi Applicatio n Example: Pres sure Tran smitter use d to Me asure Level in an Open T ank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9 Situation # 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9 Solution t o Situati on #1 . . . . . . . . . . . . . . . . . . . . . . . . . B-9 Situation # 2 . . . . . . [...]

  • Página 9

    vii APPENDIX D Operation with Fisher-Rosemount ® DeltaV™ Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1 Software Functional ity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1 Configure the L oop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2 Creat[...]

  • Página 10

    Section 1-1 1 Intr oduction HOW TO USE THIS MANUAL This manual pr ovides ins tallation, configuration, t roublesho oting, and other procedur es for the Rosemount Model 8800C V ortex Flowmeter with F OUN DAT ION fieldb us . S pecificatio ns and other important infor mation are also i nclude d. Section 2: Installation Section 2 p rovides assis tance [...]

  • Página 11

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 1-2 SAFET Y MESS AG ES Procedures and instructi ons in this manual may requir e special precau tions to ens ure th e safe ty of the pers onne l perfo rming the operations . Refer to the safe ty messages , listed at the beginni ng of each section, be fore performing any op erat[...]

  • Página 12

    Section 2-1 2 Installation Section 2 provide s specific inf ormation pertaini ng to th e installa tion o f the Model 8 800C V ortex Flo wmeter wit h F OUNDAT ION fieldbus . SAFET Y MESS AG ES Instructions and procedures in this sectio n may require special precau tions to ens ure th e safe ty of the pers onne l perfo rming the operati ons . Please [...]

  • Página 13

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-2 Flo wmeter Orientation Design pro cess piping so the meter bod y will remain full , with no entrapped air . Allow enough straig ht pipe both upstream and downstream of the met er body to ensure a nonskewe d, symmetrical profile. Install valves d ownstream o f the mete r wh[...]

  • Página 14

    2-3 Installation Upstream/Downstrea m Piping The vortex meter may be installed with a minimum of ten straight pipe diameters (D ) upstream and five straight pipe diameters (D) downstrea m. Rated accuracy is based on the number of pipe diameters from an upstrea m disturbance. An additi onal 0.5 % shift in K- factor may be introduced be tween 10 D an[...]

  • Página 15

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-4 Har dware Configuration The hardw are jumpers on the Mo del 8800C Flowmeter en able you to set the fi eldbus simulat e enable and tra nsmitter secu rity (see Figure 2-4). T o acce ss the ju mpers, re move the e lectroni cs housing cover from the e nd of the Model 8800 C Fl[...]

  • Página 16

    2-5 Installation LCD Indicator Option If your electroni cs are equipped with the LCD indicator (O ption M5), the fieldbus simulate e nable a nd transmitt er security jumpers are located on the face of the indicator as shown in Figure 2-5. Figure 2-5. LC D Indicator Fie ldbus Simula te En able an d T ra nsm itt er Security J umpers. INSTALLATION T A[...]

  • Página 17

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-6 T ABLE 2- 1. Minim um Recommen ded Stud B olt Le ngth s for W afer Inst all ati on with ANSI Flanges. T ABLE 2- 2. Minim um Recommen ded Stud B olt Le ngth s for W afer Inst all ati on with DIN Flanges. TA B L E 2 - 3 . Minimum Rec ommend ed S tud B olt Lengths f or W afer[...]

  • Página 18

    2-7 Installation W a fer -Style Flo wmeter Alignment and Mounting Center the wafer-style m eter b ody in side dia met er wi th respe ct to t he inside diame ter of t he adjo ining upstrea m and down stream piping, which will ensure that the flowmeter achieve s its specified accuracy . Alignment rings are provided with each w afer -style meter body [...]

  • Página 19

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-8 FIGURE 2-6. W afe r-Style Flowmet er Install ation with Al ignment Rings. FIGURE 2-7. Flanged -Style Flowm eter Installa tion. Alignment Ri ngs 8800-046 5A01 B Flow Gaskets (Supplied b y Customer) Install ation Studs and Nuts (Supplied b y Customer) Alignment Rin g Spacer [...]

  • Página 20

    2-9 Installation Flanged-Style Flowmeter Mounting Mounting a flanged-s tyle flowme ter is s imilar to instal ling a typi cal sectio n of pipe. C onventi onal tools , equipment, a nd accessories (such as bolts a nd ga skets) are required . Tight en the nuts f ollow ing the sequ ence shown in Figure 2- 8. NOTES The require d bolt load for se aling th[...]

  • Página 21

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-10 High-T emperature Ins tallations Inst all the mete r body so the el ectr onics are p ositio ned t o th e side of or below the pipe, as shown in Figure 2- 1 on page 2- 2. Insulation m ay be required aro und the pi pe to mainta in a temper ature below 185 °F (85 °C). Cond[...]

  • Página 22

    2-11 Installation Figure 2-10. Flanged-Style Flo wmeter Dimension al Drawings ( 1 / 2 - through 8-in. / 15 through 200 m m Line Size s). T ABLE 2-5. Flanged -Style Flo wmeter ( 1 / 2 -t h r o u g h2 - i n ./1 5t h r o u g h5 0m mL i n eS i z e s ) . Nominal Si z e Inch (mm) Flange Rating Face-to-face A Inch (mm) A ANSI RTJ Inch (mm) Diameter B Inch[...]

  • Página 23

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-12 T ABLE 2-6. Flanged-Styl e Flowmete r (3- through 8-in. / 80 through 200 mm Line Siz es). (1) (1) Ref e r to Figure 2-10. Nominal Size Inch (mm) Flan g e Rating Face-to-face A Inch (mm) A ANSI RTJ Inch (mm) Diameter B Inch (mm) C Inch (mm) We ight (2) lb (kg) (2) Add 0.2 [...]

  • Página 24

    2-13 Installation Figure 2-11. Waf er-Style Dimens ional Dr aw ings ( 1 / 2 - through 1 1 / 2 -in. / 15 through 40 mm Line Sizes) . NO T E Electr onics hou sing may be r otate d in 90 degree inc rements. T erminal Cover 1.00 (25) NO T E Dime nsions are in i nches (mi llimeter s). Diameter 3.06 (78) 8800-0 002D 01D , 00 02C01C Electrical Connection [...]

  • Página 25

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-14 Figure 2 -12. W afer-Style Dimensional Dr awings (2 - through 8-in. / 50 thr ough 200 mm Li ne Siz es). NO T E Electro nics housi ng may be rotated in 90 deg ree increm ents. T erminal Cover 1.0 0 (25) NO T E Dime nsions are in i nches (mi llimeter s). Diameter 3.06 (78) [...]

  • Página 26

    2-15 Installation Figure 2 -13. V or te x Dual-Sensor Style Fl owm eter Dim ensional Dr awings ( 1 / 2 - through 8-in. / 15 through 200 mm L ine Sizes). T ABLE 2-11. V or tex Dual-Sens or Style Flowmeter ( 1 / 2 through 1 1 / 2 -in. / 15 through 40 mm Line Siz es). Nominal Size Inch (mm) Flange Rat ing Face-to-face A Inch (mm) A ANSI RTJ Inch (mm) [...]

  • Página 27

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-16 T ABLE 2-12. V or tex Dual-S ensor Style Flowm eter (2- through 8-in. / 50 through 200 mm L i ne Sizes ). (Ref er to Figure 2-13) Nominal Size Inch (mm) Flange Rating Face-to-face A Inch (mm) A ANSI RTJ Inch (mm) Diameter B Inch (mm) C Inch (mm) We ight lb (kg) (1 ) (1) A[...]

  • Página 28

    2-17 Installation Figure 2 -14. Dimensio nal Dra wings f or Remote M ount T ransmit ters. Figure 2 -15. Dimensional Drawings f or Remote Moun t Wa fer-Style F lowmeters ( 1 / 2 - t hroug h 8-in. / 15 th rough 2 00 mm Li ne Sizes) . NO TE Dimensions ar e in inches (millime ters). 1.80 (46) T erminal Cover Electrical Connection ASME B16.5 (ANSI) ½?[...]

  • Página 29

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-18 Figure 2 -16. Dimensional Dra wings f or Flanged- and Dual-Sen sor Flang ed-Style Remote M ount Flo wmeters ( 1 / 2 - thr ough 8-inch / 15 through 20 0 mm Line Sizes). E NO T E Dimens ions ar e in inche s (millim eters). Flanged Flowmeter Dual-Sensor Flanged-Style Flowmet[...]

  • Página 30

    2-19 Installation ELECTR IC AL CONSIDERATIONS Prope r elect rical inst allation is neces sary to preve nt errors due to electrical noise and interference. Shielded cabl e should be used for best results i n elect rically noisy enviro nments. P ower Supply The transmitter requires a minimum of 9 V dc and a maximum of 32 V dc at the transmit ter powe[...]

  • Página 31

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-20 Figure 2- 17. Model 8800C T ransmitter Field W ir in g. Remote E lectronics If you order one o f the remote electro nics options (opti ons R10, R20, R30, or RX X), the f lowmete r assembly w ill be s hipped in two p arts: 1. T he met er body with a n adapt er install ed i[...]

  • Página 32

    2-21 Installation Cable Connections Refer to Figure 2-18 and the following instructions to connect the loose end of the coaxial cable to the elect ronics housing. Figure 2-18. R emote Electronic s Installation. 1. If you pla n to run the coa xial cable in co nduit, carefu lly cut the conduit to the desired length to prov ide for proper ass embly at[...]

  • Página 33

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 2-22 Calibration Model 8 800C F lowmeters are wet-cal ibrated at the factory a nd need no further calibration duri ng installation. Th e calibratio n factor (K-factor) is stamped o n each meter body and is entered into the el ectronics . SOFTWARE CONFIGURATION T o compl ete th[...]

  • Página 34

    Section 3-1 3 Flo wmeter Operation Section 3 covers basic opera tion, software f unctionality , and b asic configuration p rocedures f or the Mo del 8800C V ortex Flowmete r with F OUNDATION fi eldbus. F or more information abou t the F OUNDATION fieldbus technology and the functi on bl ocks used in the transmitter , refer to Section 4: Transducer [...]

  • Página 35

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 3-2 ASSIGNING DEV ICE T AG AND NODE ADDRESS The Model 8 800C Fl owmeter is shipped with a bla nk tag and a tempor ary addres s to allow a host to a utomati cally ass ign an add ress and a ta g. If the ta g or address need to be c hanged, us e the features of the conf igurati o[...]

  • Página 36

    3-3 Flowmeter Operation GENERAL BLOC K CONFIGURATION In general, only t he transducer bl ock and A I block have configurations for flow-specific parameters . All other function blocks are configured by linking the AI block to othe r blocks to be used f or control and/or monitoring app lications. See the appropriat e function b lock app endix for sp[...]

  • Página 37

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 3-4 Cascade Control Cascade cont rol appl ications require two input s . T he config uration is to link the outpu t of one AI block i nto the PID b lock in the Model 8800C transmit ter and t o link the A I blo ck of a se cond Mo del 8800 C transmitte r into the P ID block of t[...]

  • Página 38

    Section 4-1 4 T ransducer Bloc k OVERVI EW Sect ion 4 contains informatio n on the M odel 8800C V ortex Flowmete r transducer block. Descrip tions of a ll transduce r block param eters, errors, and diagnostics are liste d. Also, the mod es, alarm detection, status ha ndling, application informat ion, and trou bleshoo ting are discusse d. Figure 4- [...]

  • Página 39

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-2 Configuration Or de r The Model 8 800C Transd ucer Block parame ters can be co nfigured in any order , but the following is offered as a recommende d procedure and can be used as a checklist f or configurat ion item s . 1. K F act or 2. S ervice Type 3. P ipe Inside Diamet[...]

  • Página 40

    4-3 T ransducer Block If Standard/N ormal e ngineering units are s elected (N ormal m 3 /sec, Standard ft 3 / sec, etc .) and you have the Density Ratio , then you must configure: 1. P rocess Densit y Rati o Using the Resource Block RESTART parameter , initiate a PROCESS OR restar t. When th e transmit ter come s back on li ne, verify your configur[...]

  • Página 41

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-4 P arameters and Descriptions T ABLE 4-1. T ransducer Bloc k Pa rameters . P aramet er Index Number Def init ion ALERT_KEY 4 The aler t ke y is the identification number of the plant unit. This information may be used in the host for sorting alar ms, etc. BASE_COMPR ESSIBIL[...]

  • Página 42

    4-5 T ransducer Block LFC_IN_ENG_UNITS 44 This read-only parameter will indicate Lo w Flow Cutoff in currently configured engineering units. LINEAR_TYPE 27 This parameter represents the linearization type used to describe the behavior of the sensor output. 1 = linear with input LOW_FLO W_CUTOFF 43 The low-flo w cutoff (LFC) represents the minimum r[...]

  • Página 43

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-6 PROCESS_TEMP_UNITS 52 The engineer ing units of process temperature: 1001 = °C 1002 = °F PROCESS_TEMPERA TURE 51 P rocess temperature is the configured temperature of the process fluid, in unit s of °C or °F . This parameter is used to compensate the K-f actor for mete[...]

  • Página 44

    4-7 T ransducer Block SIMULA TION_UNITS 62 This defines the units used to interpret the Simulation Hi gh and Low points. Acceptable values are: 1 = PV Engineer ing Units: V alues ar e in currently configured engineer ing units. 2 = PV Percent of Range: V alues are a perc ent of PV Range. ST_REV 1 This parameter represents the revision lev el of the[...]

  • Página 45

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-8 Bloc k/T ransducer Error s The following conditions are reported in the BLOCK_ERR and XD_ERROR parameters. Conditions in italics are inactive for the transducer block and are given here o nl y for your reference . T A BLE 4 -2. BLOC K_E RR Co ndi tio ns. . T ABLE 4-3. XD_E[...]

  • Página 46

    4-9 T ransducer Block Diagnostics In additio n to the BLOCK_ERR and XD_ERROR para meters , more detailed information o n the me asurement s tatus can be o btained vi a TB_ELECTRONICS_STATUS . T able 4-4 lists the potenti al errors and the poss ible correctiv e actions for the giv en values. The correcti ve actions are in order o f increasing system[...]

  • Página 47

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-10 Alarm De tection Alarms are not generated by the t ransducer block. By correctly handling the s tatus of the channel va lues, the down st ream blo ck (AI) will generate the nece ssary a larms for the me asurement. The error that generated the alarm can be determined by lo[...]

  • Página 48

    4-11 T ransducer Block T RANSDUCER BLOCK The transd ucer block contains the actu al flow me asurement d ata. The data include informat ion about sens or type, engineer ing units, digital filter se ttings, damping, and diagnostics. Pr ocess V ariable s (PV) PV V alue PV V alue is the actual meas ured flow rate in t he line. On the bench, the valu e [...]

  • Página 49

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-12 This value mus t be enter ed if usin g Standar d or Norma l units (SCFM , SCFH, NCMM, NCMH, NCMD). These units a re configured in t he AI block. The density rat io can al so be calc ulated by e ntering the process and base conditions as des cribed belo w (The Model 8800C [...]

  • Página 50

    4-13 T ransducer Block Servic e T ype The flowmet er can be used f or liquid or gas /steam applic ations, but it must be confi gured specif ically for t he applicati on. If th e flowme ter is not configured for the prope r service type , readings will be inaccurate. Select the proper Se rvice Ty pe for your a pplication: • Liquid •G a s / S t e[...]

  • Página 51

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-14 Flange T ype Flange Type enables yo u to specify t he type of flan ge on the flowmeter for later reference. This variable is pres et at the factory but can be cha nge d i f ne ce ssa r y . •W a f e r • ASME B16.5 (ANSI) 150 • ASME B16.5 (ANSI) 300 • ASME B16.5 (AN[...]

  • Página 52

    4-15 T ransducer Block Filter A uto Adjust The F i lter Auto Adjus t is a function that can be used to optimize the range of t he flowmet er based on the den s ity of the f luid. The elec tronics uses process dens it y to calculate the minimum measurable flow rate, while reta ining at leas t a 4.0 sign al strength value . Required Process Density T[...]

  • Página 53

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 4-16 Sim - Ex tern al Ge nera tor Sim - External G enerator f l ow allows you to disconnect the se nsor electronically so an external f requency source can b e used. Simulation Units The flow simulation can be performed as either a percent of range or flow rate in current engi[...]

  • Página 54

    Section 5-1 5 Resour ce Bloc k OVERVI EW Section 5 contai ns information o n the Mode l 8800C F lowmeter reso urce block. Descriptions of all resource block parameters, erro rs, and diagnost ics are included. Also the modes, alarm detection, status handling, V irtual Communication Relationships (VCRs), and troubles hooti ng are dis cussed. Definiti[...]

  • Página 55

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 5-2 DEV_REV 12 DEV_REV spec ifies the manuf acturer revision number associated with the res ource— used by an i nterface device t o locate the DD file f or the resource. DEV_TYPE 11 DEV_TYPE spec ifies the manuf actur er’ s model number associated with the resource— used[...]

  • Página 56

    5-3 Resource Bloc k SA VE_CONFIG_BLOCKS 57 This parameter represents the number of EEPROM b locks that ha ve been modified since the last burn. This value will count down to zero when the configuration is saved. SA VE_CONFIG_NOW 56 SA VE_CONFIG_NOW controls saving of configuration in EEPRO M . SECURITY_JUMPER 60 This parameter represents the status[...]

  • Página 57

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 5-4 Bloc k Errors T able 5-2 li sts cond itions repo rted in the BL OCK_ER R parameter . Conditions in italics are inactiv e for the reso urce blo ck an d are gi ven here only for your referen ce. T A BLE 5 -2. BLOC K_E RR Co ndi tio ns. . Modes The resource b lock support s t[...]

  • Página 58

    5-5 Resource Bloc k Alarm De tection A block alarm will be generated whenever the BLOCK_ERR has an error bit set. The types of block error for the resource block are defined above (see T able 5 -2). A write alarm is generate d whenever the WRIT E_LOCK p arameter is cleared . The priorit y of t he writ e alarm is se t in the follow ing parameter: ?[...]

  • Página 59

    Section 6-1 6 Maintenance and T roub leshooting T able 6-1 provides summarized trou b leshooting s uggestions f or t he most common problems that occur during operation. Th e symptoms of metering problems include: • Flo w in pipe but no tran smitter o utput • Flow in pipe with incorrect transmitter outp ut • Output with no actual flow NO TE T[...]

  • Página 60

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-2 T ROUB LESHOOTING TA B L E S The most commo n problems experienced by users of the M odel 8800C Flowmete r are list ed in T able 6-1, along with potentia l causes of the proble m and sugg ested co rrective actions. See live if the proble m you are experie ncing is not list[...]

  • Página 61

    6-3 Maintenance and T roubleshooting Flow in P ipe, Incorrect Output (cont inued ) 50/60 Hz Measurement • Ma y indicate electrical or magnetic interf erence; c heck the meter ground. • If the meter is located near a large motor or electric furnace, tr y diff erent meter orientations to reduce the noise. Magnetic fields must be less t han 5 gaus[...]

  • Página 62

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-4 ADV AN CED T ROUB LESHOOTING Th e Model 8800C ele ctronics provid es several adva nced troubles hooting fe atures. These feature s enhance your abili ty to lo ok inside the e lectronics a nd can be help ful for troubl eshoot ing inaccurate readings. As shown in Figure 6-1,[...]

  • Página 63

    6-5 Maintenance and T roubleshooting TP1 is easil y measured wi th standard equip ment. Figures 6- 3, 6-4, a nd 6-5 s how ide al (clean ) waveforms and waveforms that m ay cause th e outp ut to be in accurate. Pleas e consu lt the factory if the wave form you detect is not similar in principle to these wa veforms. FIGURE 6 -3. Clean Signa ls. FIGUR[...]

  • Página 64

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-6 Shedding Frequency O ut Shedding freq uency out is prob ably the easies t point to measure and interpret; i t is the final waveform after all fi ltering has taken pl ace. Sheddin g frequency out is t he flow signa l that is sent to the microproce ssor t o be p roces sed in[...]

  • Página 65

    6-7 Maintenance and T roubleshooting HARD WAR E MAINTENANCE The Model 8800C Flowmeter has no moving parts and requires a minimum amount of scheduled maintenance . The transmitter features a modular design for easy maintenance. I f you suspect a malfunction, chec k for an external cause before perfo rmi ng the diagnostics presented b elow . The foll[...]

  • Página 66

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-8 Replacing the F OUNDATION Fieldb us T erminal Block in the Housing T o replace the F OUND ATION fieldbus field termina l block in the housing, you will nee d a small, flat-he a d screwdriv er . Use the following procedure to repla ce the terminal blo ck in the housing o f [...]

  • Página 67

    6-9 Maintenance and T roubleshooting Replacing the F OUNDATION Fieldb us Electr onics Boar ds The Model 8 800C Fl owmeter F OUNDATION field bus el ect roni cs boar ds may ne ed to be re placed if they hav e bee n dama ged or ot herw ise become dysf unctional. Use the following procedures t o replace electroni cs boards in t he Mo del 880 0C Flowmet[...]

  • Página 68

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-10 Install the E lectronics Boards 1. V erify that electri c power to the Model 8 800C Fl owmeter is off . 2. Align the two electroni cs boards over the capt ive screw holes in the housing . 3. S lowly press t he bo ards into p lace. Do no t force the boa rds dow n. Check th[...]

  • Página 69

    6-11 Maintenance and T roubleshooting 5. Use a hex wren ch to loosen the hou sing rotati on screws (at the base o f the el ectronics housing) by turning t he screws clockwise (inward) unti l they clear the bracket. Se e Figure 6- 9. Figure 6-9. Ho using Rotation Scre ws. 6. S lowly pull t he electro nics housing no mo re than 1.5 in. from the top o[...]

  • Página 70

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-12 Replacing the Sensor The sensor for the M odel 8800C is a se nsitive i nstrument that shou ld not be removed unless t here is a problem with it. If you must replace the senso r , follow t hese procedures closely . The Model 8800 C V ortex Flowmete r sensor is extrem ely r[...]

  • Página 71

    6-13 Maintenance and T roubleshooting Sensor Compatibility Guide 1. Determine the sensor serial number . The senso r serial number is located on t he top of the sensor . 2. V e rify meter body number designator as either “none”, “ A”, or “B”. The body number is found on the meter body tag . Ex. 10146 7, 101467A, or 1014 67B . Meter body[...]

  • Página 72

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-14 Replacing the Sensor : Remov able and Integral Suppor t T ubes The following procedure app lies to flowmeters equipped with a removable sup p ort tube , i.e. all flanged meters and ½- throug h 4-inch (DN 15 thr ough 1 00) wafer mete rs. 1. De-pressurize t he flow line . [...]

  • Página 73

    6-15 Maintenance and T roubleshooting Integral Support Mount (fo r 6- to 8-in. wafer meters ) 6. Remove access cover . (See Figure 6-11.) FIGURE 6 -11. Integ ral Support T ube Asse mbl y . 7. P roce ed to step 8. 8. Loosen an d remove the se nsor nut from the sens or cavity with a 1 1 / 8 -inch open end wrench. (Use a 3 / 4 -inch open end wrench fo[...]

  • Página 74

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-16 Cleaning the Sealing Surface Before installing a sensor in the meter body , clean the s ealing surface by completing the fo llowing procedure . The metal o-ring on the sensor is used to seal the sensor cavi ty in the event tha t process fl uid shoul d corrode through the [...]

  • Página 75

    6-17 Maintenance and T roubleshooting Sensor Installation 1. Carefully pla ce sensor over the post in the s e nsor cav ity . 2. Insure that the sensor is cent ered on the post. See Fig ure 6-13 for an example o f imprope r installati on and Figure 6-14 for an examp le of proper insta llation. FIGURE 6 -13. Sensor I nstalla tion – Improper A lignm[...]

  • Página 76

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-18 3. S ensor shoul d rema in as close to verti cal a s possib le whe n applying force to seat. See Figure 6-15. FIGURE 6 -15. Sensor Installa tion – Applying F orce. 4. M anually push do wn on the se nsor by ap plying equa l pressure for engagement onto the po st. 5. Scre[...]

  • Página 77

    6-19 Maintenance and T roubleshooting Remote E lectronics Pr ocedure If the Model 88 00C elec tronics hous ing is mount ed remotely , some replaceme nt procedures are diff erent than for the fl owmeter with integral electronics. The fo llowing pro cedures are exactly the same: • Rep lacing the Field T erminal Blo ck (see page page 6- 8). • Rep [...]

  • Página 78

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-20 Detach the Meter Adapter The above instructions w ill provid e access to the mete r body . Use the following s teps if it is necess ary to remov e the co axial cable: 1. Loosen th e two screws that hold the union onto the mete r adapter and pull the union away from the ad[...]

  • Página 79

    6-21 Maintenance and T roubleshooting Coaxial C able at the Electroni cs H ousing Disconnect the Coaxial Cable from the Electronics Housing 1. Loosen th e three screws fr om the housing ad apter . 2. Remove the a dapter from th e housing. 3. L oosen and remo ve the co axial cabl e nut from t he bas e of the electron ics housing . Remove the Coaxial[...]

  • Página 80

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 6-22 Connect the coaxia l cable 1. At tach and securely tighten the co axial cabl e nut to the connectio n on the electronics housing . 2. Ali gn the housing adapte r with the housing and attach with three screws . 3. Tighten the conduit adapter to the housing adapter . Changi[...]

  • Página 81

    6-23 Maintenance and T roubleshooting RETURN OF MATERIAL T o expedite the return process, call the Rosemount North American Respon se Center at 800 -654-RSMT (7768) . The ce nter , available 24 hours a day , wi ll assist y ou with any ne eded informat ion or materials. The center will as k for product model and serial numbe rs , and will provide a [...]

  • Página 82

    Section 7-1 7 Options The optio ns available for the Mo del 8800C Flowmet er are d escribed in this section. The numbers in parent heses refer to the codes used to order ea ch option. SAFET Y MESS AG ES Instructions and procedures in this sectio n may require special precau tions to ens ure th e safe ty of the pers onne l perfo rming the operati on[...]

  • Página 83

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 7-2 Figure 7-1. Mod el 8800C Flowmete r with F OUNDATION Fiel dbus with Option al Indicator . The indicator features an eight-character (and five alphanumeric) LCD that gives a direct reading of the digital si gnal from the microprocess or . During normal operation, the displa[...]

  • Página 84

    7-3 Options Installing the Indic ator F or flowmeters ordered wi th the LCD indi cator , the indicator is shi pped installed. When purchased s eparately from the Model 88 00C Flowmete r , y ou must inst all the indicator using a small instrument screwdriver and the indicator kit. The indicator kit includes: • One LCD indicator asse mbly • One e[...]

  • Página 85

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fieldbus 7-4 Diagnostic Messages In ad dition to the outp ut, the LCD indicator di splays diag nostic messages for t roubleshootin g the flowme ter . These me ssages are as follow s: FA U LT _ R O M The flowmete r electronics ha ve undergone an EPROM chec k sum fault. Contact your fiel[...]

  • Página 86

    Section 8-1 8 Specifications SPECIFICA TIONS Functional Specifications Servic e Liquid, gas, and steam appl ications. Fluids must be homogeneous and single-pha se. Line Sizes W afer , Flanged, and Dual-Sensor Style 1 / 2 , 1, 1 1 / 2 , 2, 3, 4, 6, and 8 in. (DN 15, 25, 40, 50, 8 0, 100, 1 50, and 20 0). Pipe Schedules Process p iping schedule s 10,[...]

  • Página 87

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus 8-2 NO TE The ρ in T ables 2 and 3 i s the process f luid densit y at flow ing conditi ons in lb/ft 3 for ft/s and kg/m 3 for m/s . Process T emperature Limits Standar d –40 to 4 50 °F (–4 0 to 2 32 °C). Extended –330 to 800 °F (–200 to 427 °C ). Ambient T empe r[...]

  • Página 88

    8-3 Specifications T A BLE 8 -5. Air Flow R ate Li mit s at 59 °F ( 15 °C) . NO TE The Model 8800C Flo wmeter measures the volumetric flo w under operati ng conditions (i.e., t he actual volume at the operat ing pres- sure a nd temperature—acfm or acmh) , as shown above. Ho w e ver , gas volumes are strongly dependent on pressur e and temperatu[...]

  • Página 89

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus 8-4 T ABLE 8-6. Saturated Steam Flo w Rate Limits. Process Pressure Flow Rate Limits Minimum and Maximum Saturated Steam (1) Flow Rates (1) Assumes Steam Quality is 100%. ½ in./DN 15 1 in./DN 25 1½ in./DN 40 2 in. /DN 50 lb/hr kg/ hr lb/hr kg/hr lb/hr kg/hr lb/hr kg/hr 15 p[...]

  • Página 90

    8-5 Specifications Pressure Limits Flange and wafer rated for ASME B16.5 (ANS I) Class 150, 300 , and 600; DIN PN 10, 16, 25, 40, 6 4, and 100; and JIS 10K, 20K, and 40K. P ower Suppl y External pow er supply required. Flowmet er oper ates on 9 to 32 V dc, 17.8 mA nomina l, 19.0 mA maximum. Optional LCD Indicator Displa ys flow variable , percent o[...]

  • Página 91

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus 8-6 KEMA/CENE LEC Flameproof Cert ifications ED EEx d ia IIC T6 (T amb =70 °C) Special Conditions When installing the instrument, particular pr ecautions must b e taken to en sure that the f luid t emper ature o r the am bient temperature do es not cause the temp erature of [...]

  • Página 92

    8-7 Specifications Pressure Loss Equations to determin e approximat e pressure lo ss: Engli sh Metric where: ∆ P = Press ure loss (psi or kP a) r f = Density at operat ing condit ions (lb/ft 3 or kg/m 3 ) D = Flowmeter bore diameter (in. or mm) Q gpm or lpm = Act ual volumetric f low rate (gall ons/minute or liters/mi nute) Q acfm or acmh = Act u[...]

  • Página 93

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus 8-8 Alarms The AI block allows the user to configure the alarm to HI-HI, HI, LO, or LO-L O wi th a vari ety of prio rit y lev els. Security When the secu rity jumper is on, t he electron ics will not allow you to modify parame ters that affect flowme ter output. Low Flo w Cut[...]

  • Página 94

    8-9 Specifications Liquids—for Re y nolds Number s ov er 20,000 Gas and Steam— for Rey nolds Numbers o v er 15,0 00 NO TE As the Re ynolds nu mber decrea ses below th e stat ed limit to 10 ,000, the positive limit of the accuracy error band will increase to 2.1 % (e.g ., +2.1% to –0.65% f or liquids). Stability ±0.1% of rate over one y ear .[...]

  • Página 95

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus 8-10 Vibration Effect An output with no proces s flow may be detec ted if sufficient ly high vibration is prese nt. The meter des ign will minimize this effect, and the facto ry settings for signa l pro cessi ng a re se lecte d to elimin ate these erro rs for mos t applicatio[...]

  • Página 96

    8-11 Specifications Process-We tted Mate rials Meter Body 316L wro ught s tainless and CF-3 M cast stainles s or Hast ello y C-22 and C-276 w rought Hastello y or CX2MW a nd CW1 2MW cast Hast elloy . Flanges 316/316L stainle ss stee l. Collars Hastel loy C- 22. Surface Finish of Flanges and Colla rs Standard: 1 25 to 250 m in. (3.1 t o 6.3 m m) R a[...]

  • Página 97

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus 8-12 OR DERING INF ORMATION Mode l Product Description 8800C V or tex Flo wmeter, Stainless Steel W afer , Flanged, and Dual-sensor and Hastello y Flanged and Dual-sensor • 8800A V or tex Flo wmeter, Hastello y Waf er Meters Only • Code Meter Style W Waf er Style • F Fl[...]

  • Página 98

    8-13 Specifications Code Option s PlantW eb S oftware Functions A01 Basic Control: One Propor tional/Integral/ Der ivativ e (PID) Function Block • Hazardous Locatio n Certifications E5 Factory Mutual (FM) Explosion Proof Approval • I5 F actor y Mutual (FM) Intrinsic Safety Approv al • K5 Factory Mutual (FM ) E5 and I5 Co mbination Approval ?[...]

  • Página 99

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus 8-14 CONFIGURATION DATA SHEE T (CDS) One comple ted configurat ion data sheet (008 06-0100- 4772) is required for each flowmeter ordered. Application Information The in formation requested on the front side of the CDS is require d for each fl owmeter purchase d and provides i[...]

  • Página 100

    Section 9-1 9 Electr onics V erification Electronic s verification of the Model 8 800C can be do ne by either utilizing t he internal signa l simulatio n capability or by a pplying a n exte rnal si gnal sourc e to the “TEST FREQ IN” a nd “GND” pins . NOTE It is not recommended to perf orm electro nics verification while the pro cess is runn[...]

  • Página 101

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fieldbus 9-2 ELECTRONI CS V ERIFICATION Electronics function ality can be verified v ia two different verification methods: • Flow Simulation Mode • Using an External Frequency Generator Both meth ods require the use of a F OUNDATION fieldbus-compliant host, such as DeltaV with AMS [...]

  • Página 102

    9-3 El ectr onic s V erif icatio n Electr onics V erifica tion U s i n ga nE x t e r n a l Frequency Generator If an ext ernal frequ ency so urce is desi rable, then test p oints at th e top of the electr onics are ava ilable (s ee Figure 9- 2). T ools Needed •F OUNDATION fieldbus-compliant host, s uch as DeltaV with AMS insid e • Standard sine[...]

  • Página 103

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fieldbus 9-4 Calculating Output V ariables with Kno wn Input Frequency Use the following equations wit h a known input frequency fo r verificati on of a flow rate wit hin a given calib rated range. Select the proper equat ion dependi ng on whether you are veri fying a flow rate or a mas[...]

  • Página 104

    9-5 El ectr onic s V erif icatio n T o V erify a Mass Flow Rate P erform the following calculation to verify a mass flow rate for a given mass f requency and K- factor (compe nsated). Conditions: •M = f l o w r a t e • F = frequency , measured in Hz • K = K-facto r (compensated) • ρ = densi ty at ope rating conditions • C = the uni t con[...]

  • Página 105

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fieldbus 9-6 T ABLE 9-1. Unit Con version s. ρ =operating density C x Units (act) Con version F actor C 1 gal/s 1.00000E+00 C 2 gal/m 1.66667E-02 C 3 gal/h 2.77778E-04 C 4 Impgal/s 1.20095E+00 C 5 Impgal/m 2.00158E-02 C 6 Impgal/h 3.33597E-04 C 7 l/s 2.64172E-01 C 8 l/m 4.40287E-03 C 9[...]

  • Página 106

    9-7 El ectr onic s V erif icatio n EXAMPL ES The f ollowing examples illustrate the calculatio ns that may be nece ssary for your app licatio n. The firs t set of th ree example s is in English units. The second set of three examples is in SI units. Exam ples: English U nits Example 1 (English Units) In th is ap plica tion, an i nput fre quency of [...]

  • Página 107

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fieldbus 9-8 Example 2 (E nglish Units) In this appli cation, an inp ut freq uency of 400 .00 Hz rep resents a flow rate of 19 ,271.2 lb/h. Given: • M = mass flow rate • F = freque ncy: 400. 00 Hz • K = K-facto r (compensa ted): 10. 678 (via fie ldbus configuration tool) •C x = [...]

  • Página 108

    9-9 El ectr onic s V erif icatio n Exam ples: SI Units Example 1 (SI Units) In th is ap plica tion, an i nput fre quency of 80 .00 Hz rep resent s a flow rate of 1, 686.8 lp m. Given: •Q = f l o w r a t e • F = frequency: 8 0.00 Hz • K = K-facto r (compensa ted): 10. 772 (via fie ldbus configuration tool) •C x = C 8 •C 8 = 4.4028 7E-03 (f[...]

  • Página 109

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fieldbus 9-10 Example 2 (SI Units) In this appli cation, an inp ut freq uency of 650 .00 Hz rep resents a flow rate of 3, 446.4 kg /hr . Given: • M = mass flow rate • F = freque ncy: 650. 00 Hz • K = K-facto r (compensa ted): 10. 715 (via fie ldbus configuration tool) •C x = C 1[...]

  • Página 110

    Appendix A-1 A F OUNDATION ™ fieldb us T echnolog y and Fieldb us Function Bloc ks OVERVI EW This section introduces fieldbus systems t hat are common to all fieldbus devices . INTR ODUCTION A fieldbus system is a distribu ted syst em composed of field devices an d control and mo nitoring equipm ent integrat ed into the phys ical environment of a[...]

  • Página 111

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus A-2 Figure A-1 illustrate s the in ternal structure o f a function block. When execution begins , input parameter values from other blocks are snapp ed-in by the b l ock. The input snap process ens ures that these values do no t change during the block ex ecution. New values [...]

  • Página 112

    A-3 F OUNDATION TM fieldbus T echnology and Fieldb us Function Bl ocks interoperabili ty of function blocks within device s from various vendors. Additional ly , human int erface devi ces , such as operat or consoles and computers , do not have to be prog ra mmed specificall y for each type o f device on the bus . Instead their displays and interac[...]

  • Página 113

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus A-4 Figure A-2. Simpl e, Single-Link Fieldb us Network. Link Active Scheduler (LAS) All links h ave on e and only o ne Link Ac tive Sche duler (LAS ). Th e LAS operate s as the bus arb iter for the link. The LAS does the following: • recognizes and adds new devi ces to the [...]

  • Página 114

    A-5 F OUNDATION TM fieldbus T echnology and Fieldb us Function Bl ocks De vice Addr essing Fieldbus uses addr esses bet ween 0 and 255. Addr esses 0 through 15 are reserved for group addre ssing and for use by the data link layer . F or all Fish er -Rosemount fieldbus devices addresse s 20 through 35 are available to the device. If there are t wo o[...]

  • Página 115

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus A-6 Figure A-3 . Scheduled Da ta T ra nsfer . Unscheduled T ransfers Figure A-4 diagrams an unscheduled transfer . Unschedule d transfers are used fo r things like user-initiated changes, including set po int changes , mode changes , tuning changes , and upload/download. Unsc[...]

  • Página 116

    A-7 F OUNDATION TM fieldbus T echnology and Fieldb us Function Bl ocks Function Block Scheduling Fig ure A-5 sho ws an ex ample of a link schedul e. A single iteratio n of the lin k-wide schedu le is called t he macrocycle . When the syst em is configured and the function blocks are linked, a master link- wide schedule is created for the LAS. Each [...]

  • Página 117

    Appendix B-1 B Analog Input (AI) Function Bloc k The Analog Input (AI) funct ion block processes field device measureme nts and mak es them ava ilable to other functio n blocks. The output val ue from the AI block is i n engineeri ng units and contains a status indicating the qu a lity of the measurement. The measuring device may have several measu[...]

  • Página 118

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus B-2 BLOCK_AL M 21 None The block alarm is used for all confi guration, hardware, connection f ailure or system problems in the b lock. The cause of the alert is entered in the subcode field. The f irst aler t to become active will set the Activ e status in the Status paramete[...]

  • Página 119

    B-3 Analog Input (AI) Function Bloc k Simulatio n T o support t e sting , you can either c hange the mode of t he bloc k to manual and adjust the output value, or you can enable simulation through the configuration tool and manually enter a value for the measurement value and i ts status . In both cases , you must first set th e ENABLE jumper on th[...]

  • Página 120

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus B-4 Figure B-1. Analog I nput Functio n Block Schem atic. Figure B-2. Analog In put Function Bloc k Timing Diagr am. Filtering The fil tering featur e changes the respon se time of the devi ce to smooth variations i n output readings caused by rapid change s in input. Y ou ca[...]

  • Página 121

    B-5 Analog Input (AI) Function Bloc k Signal Con version Y ou can set t he signal co nversion ty pe with the Linear ization Ty pe (L_TYPE) parameter . Y ou can view the converted signal (in percent of XD_SC ALE) through the FIELD_V AL parameter . Y ou can choose from direct, indirect, or indirect square root signal convers ion with the L_TY PE para[...]

  • Página 122

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus B-6 Indirect Square Root Indire ct Square Root signal conversio n takes the square ro ot of the value computed w ith the indirect s ignal convers ion and scale s it to the range and unit s of the PV and OUT parame ters . When th e convert ed input value is below the l imit sp[...]

  • Página 123

    B-7 Analog Input (AI) Function Bloc k • Out of Se rvice (O/ S) Th e block is not process ed. FIELD _V AL and PV are not upda ted and the OUT status is se t to Bad: Out of Service. The BLOCK_ERR parameter shows Out of Service . In this mode, you can make change s t o all configurable parameters. The target mode of a block may be restricted to one [...]

  • Página 124

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus B-8 NOTES 1. The inst rument must be in Manual or O u to fS e r v i c e m ode to set th e status opt ion. 2. The AI bl ock only sup ports the B A D if Limited option. Unsupported options are not grayed out ; they appea r on the screen in th e same manner as supported o ptions[...]

  • Página 125

    B-9 Analog Input (AI) Function Bloc k . Figure B-3. Analog In put Function Bloc k Diagram f or a T ypical T emper ature T ransmi tter . Application Exa mple: Pressure T ransmitter us ed to Measure Level in an Open T ank Situation # 1 The level of an open t ank is to be me asured usi ng a pres sure tap at the bottom of the t ank. The level me asurem[...]

  • Página 126

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus B-10 Figure B-5. Fu nction Bloc k Diagram f or aP r e s s u r eT r a n s m i t t e ru s e di nL e v e l Measur ement. Situation # 2 The transm itter in sit uation #1 is installed below t he tank in a p osition where the liquid column in the impulse line, when the tan k is emp[...]

  • Página 127

    B-11 Analog Input (AI) Function Bloc k Application Example: Differential P ressure T r ansmitter to Measure Flow Situation T he liquid f low in a l ine is to be me asured usi ng the d iffer ential pressu re across an orific e plate i n the li ne, a nd the flow m easurement will be use d in a fl ow control lo op. Based on the orifice sp ecification [...]

  • Página 128

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus B-12 T roubleshooting Refer to T able B-7 t o trouble shoot any p roblems that you e ncounter . T ABLE B-7. T roub leshooting . Symptom Possible Cau ses Corrective Action Mode will not leave O OS T arg et mode not set. Set target mode to something other than OOS. Configuratio[...]

  • Página 129

    Appendix C-1 C PID Function Bloc k The PID function block comb ines al l of the nece ssary log ic to perform proportiona l /integral/ derivative (P ID) control. The b lock suppo rts mode control, signal s caling an d limiting, feedforward control, override tracking, alarm limit detection, and signal status p ropagati on. The bl o ck suppo rts two f[...]

  • Página 130

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-2 T o further customize the block fo r use in your app lication, you can configure filte ring , feedforward input s, t racking inputs , setpoint and output li miti ng, PID equation struct ures, and block ou tput ac tion. T able C-1 lis ts the PID bl ock paramete rs and th e[...]

  • Página 131

    C-3 PID Function Bloc k FF_SCALE 41 None The high and low scale v alues, engineering units code, and number of digits to the right of the decim al point associated with t he feedf orward value (FF_V AL). FF_V AL 40 EU of FF_SCALE T he feedf orward contro l input v alue and status. GAIN 23 None The propor tional gain value . This value cannot = 0. G[...]

  • Página 132

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-4 SP_FTIME 69 Seconds The t ime constant of the f irst-order SP filter . It is the time r equired for a 63 percent change in the IN value. SP_HI_LIM 21 EU of PV_SCALE The highest SP v alue allowed. SP_LO_LIM 22 EU of PV_SCALE The low es t SP value allo wed. SP_RA TE_DN 19 E[...]

  • Página 133

    C-5 PID Function Bloc k Figure C-1. PID Func tion Bloc k Schematic. FF_V AL BKCAL_IN TRK _IN_ D CAS_IN IN TRK _V AL FF_ GA IN FF_SCALE RCAS_OUT RCAS_IN SP_HI_LIM SP_LO_LI M SP_RA TE_DN SP_RA TE_UP SP_FTIME GAIN RA TE RESE T Feedf orward Calculation MODE Setpoi nt Lim itin g and Filt erin g PID Equation Ou tput Lim itin g ROUT_OUT R OUT_IN OUT_HI_LI[...]

  • Página 134

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-6 Setpoint Selection and Limiting The setp oint of th e PID bloc k is de term ined b y the mode. Y ou c an configure the SP _HI_LI M and SP _LO_ LIM param eters to limi t the setpoint. In Cascade or RemoteC ascade mode, the setpoint is adjusted by another function block or [...]

  • Página 135

    C-7 PID Function Bloc k Output Selection and Limiting Output s election is determined by t he mode and the setpoint. In A utomatic , Cascade , or RemoteCascade mode, the output is computed by the PID control equation. In Manua l and RemoteOutp ut mode, the output may be entered manually ( s ee also “Setpoint S election and Limiting” on page C-6[...]

  • Página 136

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-8 Rever se and Direc t Action T o configure the bloc k output action, en able the Direct Acting control option. This option defines the relatio nship between a ch ange in PV and the corres ponding cha nge in output. Wi th Direct Acting en abled (Tr ue), an increase in PV re[...]

  • Página 137

    C-9 PID Function Bloc k RemoteOutput (Rout)—The OUT IS provided by a host computer that writes to t he ROUT_IN parameter Local Override (LO)—T he track functio n is act ive. OUT is set by TRK_V AL. The BLOCK_ERR parameter shows Local override . Initialization Manual (IM an)—The output path is not complete (for example , the casca de-to-sl ave[...]

  • Página 138

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-10 Status Handling If the input sta tus on th e PID blo ck is Bad , the mode of th e block reverts to Ma nual . In addition, you can se lect the T ar get to Manu al if Bad IN status option to direct the target mode to revert to manual. Y ou can set th e status option in Man[...]

  • Página 139

    C-11 PID Function Bloc k The MOD E parameter is a switch tha t indicates t he targ et and a ctual mode of opera t ion. Mode selecti on has a large impact on the operati on of the PID block: • Manual mod e allows the ope rator t o set t he val ue of the lo op output signal directly . • A utomatic mode allows t he opera tor to s elect a set point[...]

  • Página 140

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-12 Solutio n The PI D loop us es TT10 1 as a n input and p rovides a sign al to th e analog ou tput TCV1 01. The BKCAL_O UT of the AO block and t he BKCAL_IN of the PID block communicate the status and quality of information b eing passed be tween the blocks. The st atus in[...]

  • Página 141

    C-13 PID Function Bloc k Figure C -6. Fun c tion Blo ck Diagr am fo r Feed forw ard Control. Application Example: Cas cade Contr ol with Master and Slave Loops Situation A s lave loop is added to a basic P ID cont rol configurati on to mea sure and control st eam flow to the stea m heater . V ariations in th e steam pressu re cause th e temper atur[...]

  • Página 142

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-14 Solutio n If the flow is control led, st eam pres sure variati ons will be compens ated befo re they sig nificant ly affect th e heat exc hanger te mperatu re . The output f rom the master te mperature loop is used as the setpoint for the sla ve steam flow loop . The BKC[...]

  • Página 143

    C-15 PID Function Bloc k If the instrument connect e d to the AI block fails, you can place the AI block in Manua l mode and set the output to some nominal value for use in the I nteg rator f uncti on b lock. In this case, IN at the s lave PID bl ock is con stant an d preve nts the in tegral term from i ncreasin g or decreasing. Figu re C- 9. Fu nc[...]

  • Página 144

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus C-16 T roubleshooting Refer to T able C-3 t o trouble shoot any p roblems that you e ncounter . T ABLE C-3. T roublesh ooting. Symptom Possible Cau ses Corrective Action Mode will not leave O OS T arg et mode not set. Set target mode to something other than OOS. Configuration[...]

  • Página 145

    C-17 PID Function Bloc k Mode sheds fro m RCAS to AUT O Remote Cascade V alue Host system is not wr iting RCAS_IN with a quality and status of “good cascade” within shed time (see 2 below). Shed Timer The m ode shed timer , S HED_RCAS in the resource block is set too low . Increase the value. Mode sheds fro m ROUT to MAN Remote output value Hos[...]

  • Página 146

    Appendix D-1 D Operation with Fisher -Rosemount ® DeltaV ™ INTR ODUCTION Appendix D provides s pecific instructi ons for perfor ming basic configuration op erations on the Mo del 8800C V ortex Flowme ter using the Fisher-Rosemount Del taV host s oftware . Appendix D is not a comprehensive resource , but a sta rting point. F or more information, [...]

  • Página 147

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus D-2 CONFIGURE THE LOOP T o compl etely configure the tr ansmitt er for use in a fieldbus l oop, you must perform t he following procedure: 1. Create a device profile —A device profile is an electro nic represen tati on of the transm itter that exist s only in the De ltaV so[...]

  • Página 148

    D-3 Operation with Fisher-Rosemount ® DeltaV ™ The FI ELDBUS D EVI CE PROPERTIES dialog bo x appears ( see Figure D-2). Figure D-2. FIEL DBUS DE VICE PR OPERTIES Dialog Box . 4. Enter a ll of the requeste d device inf ormation in the dialog box. NOTE The Delta V software auto matically complete s the ADDRESS field. Y ou can customize these field[...]

  • Página 149

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus D-4 Define the Control Strategy 1. Cli ck STAR T and s elect DELTAV > ENGINEERING > CONTROL STUD IO from the menus that appear . The MAIN CONTRO L STUDIO screen appears (see Figure D- 3 ). Figure D-3 . MAIN CONTROL STUDIO Screen. 2. Select the function block s you wish [...]

  • Página 150

    D-5 Operation with Fisher-Rosemount ® DeltaV ™ 6. Co nnec t the blo cks as yo u want th em to ex ecu te. F o r the p urpos e of this ex ample, we connecte d the blocks a s in Figure D -5. NOTE If you are not able to draw connections between the blocks (as in Figure D-5), select t he CONNECT but ton ( ) and try again. Figure D-5. Basic Con trol S[...]

  • Página 151

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus D-6 The DEVICE COMMISSIONIN G WIZARD – ST AR T dialog box ap pears (see F i gure D-7). Figure D-7. DE VICE COMMISSIONING W IZARD – START Dialog Bo x. 4. Cli ck NEXT . The DEVICE COMMISSIONING WIZARD – RECONC ILE BLOCK dialog box 1 appe ars (see Figure D-8). Figure D-8. [...]

  • Página 152

    D-7 Operation with Fisher-Rosemount ® DeltaV ™ The DEVICE COMMISSIONING WIZARD – RECONC ILE BLOCK dialog box 2 appe ars (see Figure D-9). Figure D-9. DE VICE COMMISSIONING W IZARD – RECONCILE BLOC K Dialog Bo x 2. NOTE T o reconcile differences between the tran sducer block in the transmitte r and the t ransducer blo ck in the de vice prof i[...]

  • Página 153

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus D-8 Figure D- 11. W AITING FOR DEV ICE TO CHANGE STATE Dialog Bo x. Once the Delt aV software finishes commis sioning the device, the ico n in DELTAV EX PLORER changes from noncommiss i oned ( ) to commissioned ( ). Set T ransmitter Configuration P arameter s 1. Cli ck STAR T[...]

  • Página 154

    D-9 Operation with Fisher-Rosemount ® DeltaV ™ The TRANSDUCER BLOCK PR O PER TIES dialog box appears ( see Figure D-14) . Figure D- 14. T RANSDUCER BLOCK PR OPERTIES Dialog Box . 5. Cli ck the MODE tab. 6. S elect the O U TO FS E R V I C E (OOS) check box and dese l ect the AUT O check box i n the TA R G E T M O D E column of the dialog bo x. Th[...]

  • Página 155

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus D-10 The ACTUAL MODE region changes to OOS . 9. Cli ck OK to return to the DELTA V EXPLORER . 10. Right-click on the TRANSDUCER blo ck icon to acce ss the CONFIGURATION PARAMETERS menu. 11. Select the parame ter you wish t o configure , and follow the on- line instructions to[...]

  • Página 156

    D-11 Operation with Fisher-Rosemount ® DeltaV ™ Download the Control Strate gy to the Device 1. Click ST AR T and select DE LTAV > ENGINEERING > CONTROL STUD IO from the menus that appear . The MAIN CONTRO L STUDIO screen appears (s ee Figure D-17). Figure D- 17. MAIN CONTRO L STUDIO Scree n . 2. Open the contro l strateg y that you define[...]

  • Página 157

    Appendix E-1 E Appr o v al Drawings CSA Intrinsic Safety Installation Dra wings Rosemount Dr awing 08800-0111 , Rev . AA, 2 S heets: CSA Intrinsic Saf ety Installatio n Drawings for Model 88 00C . FM Intrinsic Safety Installation Dra wings Rosemount Dr awing 08800-0106 , Rev . AA, 2 S heets: F acto ry Mutual Intrinsic S afety Insta llation Drawings[...]

  • Página 158

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus E-2 8800-0 111AA[...]

  • Página 159

    E-3 Appro val Draw ings 8800-011 AA03[...]

  • Página 160

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION TM Fi el dbus E-4 8800-011 1AA05[...]

  • Página 161

    E-5 Appro val Draw ings 8800-01 11AA04[...]

  • Página 162

    I-1 Inde x A Accuracy ....... ........... ...... 8 - 8 Address ..... .............. ...... A - 5 tempor ary ........... ......... A - 5 temporar y node ......... ...... 3 - 2 AI block configu ratio n genera l ........ ........... 3 - 3 tempe rature spec ific ..... ... 3 - 2 parameters ALARM_TYPE ...... ......B - 8 BLOCK_ERR ....... ......B - 6 CHAN[...]

  • Página 163

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fi el dbus I-2 Device descriptions definition ...... ........... ... A - 2 Device ID ......... ........... .. 2 - 2 2 Device t ag .. ........... ......... 3 - 2 Diagram PID block ......... .......C - 1 ,C - 5 Direct action ...... ..............C - 8 Direct signal conversio n . ........[...]

  • Página 164

    I-3 Ind ex Installatio n ....... ........... ... 2 - 1 Electrical ......... ........ .. 2 - 1 9 Wiring .............. ........ 2 - 1 9 Installatio n Effects ........... .. 4 - 1 3 Installatio n T asks .... ........ ... 2 - 5 Intrinsic Safety Insta llatoin Draw ings E-1 Introduction ...... ........ ...... 1 - 1 IO_OPTS AI block ........ ........ ...[...]

  • Página 165

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fi el dbus I-4 PID b lock ......... ..............C - 1 BLOCK_ERR conditions ..... ... C - 8 closed l oop con trol ....... .....C - 1 0 diagram .... .............. ... C - 1 filtering .. ......... ...........C - 6 Mode .... ........... ....C - 8 ,C - 1 1 output selec tion and limiting [...]

  • Página 166

    I-5 Ind ex Cleaning the Sensor Sealing Surface ....... ........... .. 6 - 1 6 Remova ble Support Tube ...... 6 - 1 4 Sensor Serial Number ........ .. 4 - 1 1 Sens or Signal St rength ......... 4 - 1 4 Service Ty pe ........... .... 4 - 1 1 ,4 - 1 3 Setpoin t selectio n PID block ......... ...........C - 6 Setpoin t tracking ....... .........C - 7 S[...]

  • Página 167

    Rosemount Model 8800C V ort ex Flo w meter with F OUNDATION ™ Fi el dbus I-6 W W afer -style Flowmeter Alignment and Mounting .. ......... ........... 2 - 6 W afer-style F lowmet er Installat ion with Alignment Rings .... ...... 2 - 8 W etted Mate rial ... ............. 4 - 1 3 WRITE_LOCK resource b lock ...... ........... 5 - 5 X XD_ERROR trans [...]

  • Página 168

    00809-01 00-4772 Rev. DA 1/00 ¢00809-0100-4772 S¤ Rose mount In c. 8200 Market Boulevard Chanhassen, MN 55317 USA T el 1-800-999-9307 Fax (612) 949-7001 © 2000 Rosemount Inc. P R I N T E D IN U. S. A. http://w ww .rose mount.com Fisher-Rosem ount Flow Groeneveldselaan 6-8 3903 AZ Veenendaal The Netherlands T el 31 (0) 318 549 549 Fax 31 (0) 318 [...]