Siemens ntse hluav taws xob valve positioner debugging thiab feem ntau yuam kev tsom xam valve positioner ua hauj lwm hauv paus ntsiab lus qhia
Nyob rau hauv daim ntawv no, lub hauv paus ntsiab lus ntawm regulating valve thiab Siemens SIPART PS2 ntse hluav taws xob valve positioner, debugging method cov kauj ruam, feem ntau txhaum kev soj ntsuam thiab kev kho mob yog qhia thiab soj ntsuam kom meej. 1 lub ntsiab lus
Siemens SIPART PS2 ntse hluav taws xob valve positioner (tom qab no hu ua positioner), los ntawm kev tsim txiaj ntawm nws yooj yim txiv neej-tshuab sib tham interface, tuaj yeem ua haujlwm ntawm qhov chaw los ntawm cov yuam sij ntawm qhov chaw thiab LCD npo, lub positioner yog tus cwj pwm los ntawm tsis tshua muaj roj. noj, zaub mov qauv, yooj yim tswj, txhim khu kev qha kev ua tau zoo, yooj yim rau tus tswv, Cov nyhuv siv tau zoo, tau siv rau hauv kev lag luam roj av thiab petrochemical thoob plaws lub tebchaws.
Ua ke nrog kev xyaum ua haujlwm engineering, daim ntawv no qhia txog qhov kev debugging ntawm cov neeg txawj ntse thiab cov kev ua yuam kev hauv cov txheej txheem debugging.
2 Basic Debugging Methods of Locators 2.1 Ua Haujlwm Vaj Huam Sib Luag
Ua ntej kev debugging tus locator, koj yuav tsum xub paub txog lub vaj huam sib luag ua haujlwm ntawm qhov chaw (Daim duab 1). A yog tus yuam sij "me me" yog hom yuam sij, nias thiab tuav rau 5 s nkag mus rau qhov chaw teeb tsa ciam teb; B yog rau increment bond; C yog tus yuam sij txo.
Daim duab 1 Siemens SIPART PS2 ntse hluav taws xob valve positioner daim duab tseem ceeb
2.2 Parameter Chaw
Thaum teeb tsa cov kev txwv, nias lub hom phiaj ua haujlwm ua ntej thiab tuav nws li 5 vib nas this kom nkag mus rau qhov parameter teeb tsa interface. Nias tus yuam sij hom ua hauj lwm ib zaug txhua lub sij hawm nkag mus rau cov ntawv qhia zaub mov ntawm qhov kev teeb tsa tom ntej. Yog tias koj xav hloov qhov kev teeb tsa tshwj xeeb ntawm ib qho parameter, nias lub pob nce lossis nqis rau kev teeb tsa.
Cov kev tsis sib xws ntawm locator menu yog raws li hauv qab no:
Yam khoom "1.YFCT" muaj nuj nqi rau angular stroke, ncaj stroke xaiv, nias los tsim lossis tsim rau xaiv. Tig yog lub angular stroke thiab Txoj kev yog txoj kab ncaj nraim. Qhov thib ob yam khoom "2.YAGL" yog qhov kev teeb tsa ntawm txoj kev mus los ntawm tus actuator. Tsuas muaj ob txoj kev xaiv rau qhov teeb tsa no: 33 ° thiab 90 °. Yog hais tias tus actuator muaj ib tug angular stroke, nws yog teem rau 90 ° thiab yog hais tias tus actuator muaj ib tug ncaj stroke, nws yog teem rau 33 °. Qhov thib peb yam "3.YWAY" mus txawv tebchaws ntau qhov chaw. 90 ° thaum stroke yog 20 hli; Thaum mob stroke tsawg dua 20 hli, xaiv 33 °. 4.INITA Tsis siv neeg pov thawj. Thaum xav tau kev kuaj xyuas tsis siv neeg, nias thiab tuav lub pob "+" rau 5 vib nas this los kuaj xyuas tus kheej; Qhov kev kuaj tus kheej ib txwm muaj 7 kauj ruam, uas yog: thawj kauj ruam thiab theem ob los txiav txim siab txog kev taw qhia (RUN 1); Kauj Ruam 3 xyuas qhov kev hloov pauv thiab kho qhov xoom thiab ntau yam (RUN 2); Kauj Ruam 4 Txiav txim siab thiab lub sijhawm ua haujlwm tiag tiag (RUN 3); Kauj Ruam 5 txiav txim siab qhov ** me me (RUN4); Kauj Ruam 6 Ua kom zoo rau cov tshuaj tiv thaiv ib ntus (RUN 5); Kauj Ruam 7 Xaus Kev Ntsuas Tus Kheej (FINSH). Yam thib tsib 5.INITM tsis pom zoo rau kev txheeb xyuas phau ntawv. Yam 6 “6.SCUR” TEEB MEEM LUB VALVE tam sim no. 0 m A yog 0 txog 20 m A, 4 m A yog 4 mus rau 20 m A. Qhov thib xya yam khoom "7.SDIR" teeb tsa tus nqi taw qhia. Raws li 4 ~ 20 mA teeb liab valve txav kev taw qhia teeb tsa, cov tshuaj tiv thaiv xaiv lub caij nplooj zeeg, kev ua haujlwm zoo xaiv nce. Qhov thib kaum khoom "10.TSUP" teeb tus nqi yog inclined kom sawv, xaiv nws pib. Yam 12 "12.SFCT" teeb taw tes ua haujlwm. Xaiv Lin rau tus mob stroke ncaj qha thiab N1-50 rau lub angular stroke (tus yam ntxwv zoo). Yam khoom 38 “38.YDIR” qhia thiab qhov chaw tawm tswv yim txog kev tswj xyuas qhov sib txawv. Kev taw qhia kev teeb tsa (kev taw qhia valve txoj hauj lwm tso tawm los ntawm positioner): ntog; Sawv. 39.YCLS kaw nruj nreem los ntawm kev tswj hwm qhov sib txawv. Yam 50 “50.PRST” pib dua qhov chaw. Yog hais tias qhov chaw ntawm cov kev txwv saum toj no tsis raug thaum lub sij hawm debugging, koj tuaj yeem nias thiab tuav lub Ntxiv key (+) nyob rau hauv lub xeev no. Thaum lub LCD qhia "OCAY", qhov rov pib ua tiav.
3 Kev ua yuam kev thiab kev daws teeb meem
Hom: yog tias lub tso pa tso tawm tau tso tawm, tom qab ntawd cov khoom siv thiab cov yeeb nkab tawm tuaj yeem txuas nrog rov qab.
Thib ob: yog tias lub valve surge, qhov sib npaug yuav tsis pom, muaj qhov tshwm sim ntawm qhov tshwm sim, qhov tshwm sim ntawm lub valve surge yog ntau tshaj 90% ntawm qhov chaw tso zis cua qhov chaw cov yeeb nkab xau tshwm sim.
Qhov thib peb: yog tias 4 ~ 20 m Ib lub teeb liab tau txais los ntawm tus positioner tsis ua raws li cov kev taw qhia tiag tiag ntawm kev ua haujlwm ntawm lub valve, tom qab ntawd kho 7 thiab 38 cov khoom ntawm qhov ntsuas qhov ntsuas hauv cov ntawv qhia zaub mov feem, kom txog rau thaum chav tswj thiab lub teb zoo ib yam.
(3) Yog tias lub valve tsis tuaj yeem dhau los ntawm thawj kauj ruam lossis theem thib ob thiab thib peb tsis tuaj yeem mus dhau qee zaus, nws yuav muaj teeb meem nrog lub valve tawm tswv yim pas nrig. Cov ntsia hlau ntawm lub tswv yim pas nrig tsis nruj los yog cov ntsia hlau tsis nyob hauv qhov zawj zawv zawg ntawm cov lus taw qhia pas nrig. Nyob rau lub sijhawm no, peb yuav tsum nrhiav cov lus tawm tswv yim nyob rau hauv txoj hauj lwm zoo thiab ceev cov ntsia hlau, thiab qhov kev ntsuam xyuas tus kheej yuav tsum muaj peev xwm ua tau zoo li qub.
Daim duab 2 Siemens SIPART PS2 ntse hluav taws xob valve positioner log txoj hauj lwm daim duab
(4) Hauv lwm qhov xwm txheej, thaum ntsib thaj chaw tuag, lub pulley tseem tuaj yeem txav mus rau hauv cov txheej txheem ntsuas tus kheej ntawm qhov chaw kom nws dhau.
4 xaus
Los ntawm peb ntau xyoo ntawm Siemens SIPART PS2 ntse hluav taws xob valve positioner debugging site thiab cov txheej txheem debugging ntawm ntau yam teeb meem ntsib nyob rau hauv kev tsom xam thiab cov ntsiab lus, summed txog cov txheej txheem debugging thiab kev ua txhaum kev. Nws cia siab tias cov txheej txheem kev debugging thiab kev daws teeb meem tau hais hauv daim ntawv no tuaj yeem muaj qee yam kev siv tus nqi thiab ua haujlwm rau cov phooj ywg lossis cov neeg ua haujlwm debugging.
Ua hauj lwm hauv paus ntsiab lus ntawm lub valve positioner yog qhia lub valve positioner, raws li cov qauv ntawm pneumatic valve positioner, hluav taws xob valve positioner thiab ntse valve positioner, yog lub ntsiab tswj valve accessories, feem ntau nrog pneumatic tswj valve, nws txais lub regulator tso zis teeb liab, thiab tom qab ntawd mus rau nws cov teeb liab tso zis los tswj lub pneumatic tswj valve, thaum lub regulator ua, Qhov kev hloov ntawm lub valve qia yog pub rov qab mus rau lub valve positioner los ntawm lub tshuab cuab yeej, thiab lub valve txoj hauj lwm yog kis mus rau lub sab sauv system los ntawm hluav taws xob teeb liab.
Raws li cov qauv los ntawm pneumatic valve positioner, valve positioner, hluav taws xob valve positioner thiab ntse valve positioner, yog lub ntsiab tswj valve accessories, feem ntau nrog pneumatic tswj valve, nws txais regulator tso zis teeb liab, thiab ces mus rau nws tso zis teeb liab los tswj pneumatic tswj. valve, thaum lub regulator, qhov txav ntawm qia thiab lub tshuab los ntawm kev tawm tswv yim rau lub valve positioner, lub valve txoj hauj lwm yog kis mus rau lub sab sauv system los ntawm hluav taws xob teeb liab.
Valve positioner raws li nws cov qauv qauv thiab lub hauv paus ntsiab lus ua haujlwm tuaj yeem muab faib ua pneumatic valve positioner, hluav taws xob-gas valve positioner thiab ntse valve positioner.
Valve positioner tuaj yeem ua kom lub zog tso tawm ntawm cov tswj valve, txo qis kev sib kis ntawm cov teeb liab tswj tau tshwm sim, ua kom lub zog ceev ntawm lub valve qia, tuaj yeem txhim kho cov kab ntawm lub valve, kov yeej kev sib txhuam ntawm lub valve qia thiab tshem tawm cov cawv. ntawm unbalanced quab yuam, thiaj li mus xyuas kom meej qhov chaw ntawm lub regulating valve.
Valve positioner classification:
Feem ntau tuaj yeem muab faib ua pneumatic valve positioner, hluav taws xob valve positioner thiab ntse valve positioner.
Valve positioner muab faib ua pneumatic valve positioner, hluav taws xob valve positioner thiab ntse valve positioner raws li lub teeb liab tawm tswv yim. Lub tswv yim teeb liab ntawm pneumatic valve positioner yog tus qauv roj teeb liab, piv txwv li, 20 ~ 100kPa roj teeb liab, nws cov teeb liab tso tawm kuj yog cov teeb liab roj teeb. Lub tswv yim teeb liab ntawm hluav taws xob valve positioner yog tus qauv tam sim no lossis voltage teeb liab, piv txwv li, 4 ~ 20mA tam sim no teeb liab lossis 1 ~ 5V voltage teeb liab, thiab lwm yam. cov zis gas teeb liab mus rau toggle tswj valve. Qhov ntse hluav taws xob valve positioner nws yuav tswj cov chav tso zis tam sim no rau hauv lub tsav tswj lub valve gas teeb liab, raws li lub valve qia kev sib txhuam thaum ua haujlwm, offset nruab nrab siab hloov pauv thiab tsis sib npaug, kom lub valve qhib sib xws rau chav tswj cov zis tam sim no. Thiab cov tsis sib xws tuaj yeem raug teeb tsa los ntawm kev teeb tsa ntse los txhim kho kev ua haujlwm ntawm kev tswj valve.
1 pneumatic valve positioner:
Cov qauv siv hluav taws xob cuam tshuam nrog lub valve positioner uas hloov hluav taws xob cov teeb liab mus rau hauv cov teeb liab siab thiab tswj qhov qhib ntawm lub valve nrog compressed cua los yog nitrogen raws li cov huab cua ua haujlwm.
2. Hluav taws xob valve positioner:
Lub teeb liab DC tam sim no muab los ntawm kev tswj hwm tau hloov mus rau hauv lub teeb liab roj tsav lub regulating valve los tswj qhov kev txiav txim ntawm lub regulating valve. Nyob rau tib lub sij hawm raws li qhov qhib ntawm lub valve tawm tswv yim, kom lub valve txoj hauj lwm yuav tsum raug positioned raws li qhov system tso zis tswj teeb liab.
3. Intelligent valve positioner:
Cov qauv siv hluav taws xob cuam tshuam nrog lub valve positioner uas tsis xav tau kev hloov kho, tuaj yeem pom qhov xoom, tag nrho thiab kev sib txhuam coefficient ntawm kev tswj lub valve, thiab txiav txim siab tswj tsis tau.
Raws li kev taw qhia ntawm qhov kev txiav txim tuaj yeem muab faib ua ib-txoj kev valve positioner thiab ob-txoj kev valve positioner.
Lub ib-txoj kev valve positioner yog siv nyob rau hauv lub piston actuator, lub valve positioner tsuas yog ua hauj lwm nyob rau hauv ib tug kev taw qhia, ob txoj kev valve positioner ua hauj lwm nyob rau hauv ob sab ntawm lub tog raj kheej ntawm lub piston actuator, nyob rau hauv ob txoj kev.
Raws li lub valve positioner tso zis thiab input teeb liab nce lub cim yog muab faib ua zoo valve positioner thiab cov tshuaj tiv thaiv valve positioner. Raws li cov tswv yim teeb liab mus rau qhov zoo-ua yeeb yam valve positioner nce, cov zis teeb liab kuj nce, yog li qhov nce yog qhov zoo. Reaction valve positioner input teeb liab nce, cov teeb liab tso zis tsawg, yog li ntawd, qhov nce yog qhov tsis zoo.
Raws li lub valve positioner input signal yog analog teeb liab lossis digital teeb liab, tuaj yeem muab faib ua qhov zoo tib yam valve positioner thiab lub tsheb npav hluav taws xob valve positioner. Lub teeb liab input ntawm lub hom valve locator yog analog siab lossis tam sim no, voltage teeb liab, lub teeb liab input ntawm fieldbus hluav taws xob valve locator yog cov teeb liab ntawm lub fieldbus.
Raws li seb lub valve positioner muaj CPU, nws tuaj yeem muab faib ua cov hluav taws xob zoo tib yam valve positioner thiab ntse hluav taws xob valve positioner. Feem ntau cov hluav taws xob valve positioners tsis muaj CPU, yog li ntawd, tsis muaj kev txawj ntse, tsis tuaj yeem tswj cov haujlwm ntse. Kev txawj ntse hluav taws xob valve positioner nrog CPU, tuaj yeem cuam tshuam nrog kev ua haujlwm ntse, piv txwv li, tuaj yeem nqa mus tom ntej channel nonlinear them, thiab lwm yam., fieldbus hluav taws xob valve positioner tuaj yeem nqa P>
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm valve positioner:
Valve positioner tuaj yeem ua kom lub zog tso tawm ntawm cov tswj valve, txo qis kev sib kis ntawm cov teeb liab tswj tau tshwm sim, ua kom lub zog ceev ntawm lub valve qia, tuaj yeem txhim kho cov kab ntawm lub valve, kov yeej kev sib txhuam ntawm lub valve qia thiab tshem tawm cov cawv. ntawm unbalanced quab yuam, thiaj li mus xyuas kom meej qhov chaw ntawm lub regulating valve.
Txoj haujlwm ua haujlwm ntawm valve positioner
Lub valve positioner yog lub ntsiab accessory ntawm lub valve tswj. Nws yuav siv lub valve qia tshem tawm teeb liab raws li cov lus qhia tawm tswv yim ntsuas teeb liab, siv lub teeb liab tso zis hluav taws xob raws li lub teeb liab teeb liab, sib piv, thaum ob qhov sib txawv, hloov nws cov teeb liab tawm mus rau tus actuator, ua rau lub actuator ua, tsim lub valve qia. kev hloov pauv thiab cov khoom siv hluav taws xob tso tawm ntawm qhov sib txuas lus ib-rau-ib. Yog li ntawd, lub valve positioner muaj lub tswv yim tswj qhov system nrog lub qia txav raws li qhov ntsuas teeb liab thiab cov khoom tso tawm raws li lub teeb liab teeb liab. Kev tswj qhov sib txawv ntawm kev tswj qhov system yog lub teeb liab tso tawm ntawm lub valve positioner rau tus actuator.
Post lub sij hawm: Sep-20-2022
