Daim ntawv thov piv txwv ntawm PLC hauv daim ntawv ntim cov nplais
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov khoom ntawv, cov ntawv me, cov ntawv nplaum, tag nrho hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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1 Taw qhia
Ib pawg ntawm cov khoom siv nrog txhua xyoo ntawm 150,000 tons ntawm polyester yaj, cov khoom sib txuas hauv qab yog txhua xyoo ntawm 70,000 tons ntawm cov ntaub ntawv luv luv, thiab ntxiv cov yaj yog hlais hauv cov nplais yas uas yog pelletizer thiab ntim rau hauv ib lub hnab ntim rau export . Lub tshuab ntim tshuab siv ib lub hnab ntim ib qho uas tsis siv neeg thiab thawb ntim ntawm lub Chaw Kuaj Aerospace. Muaj ob qho lawm. Lub kaw lus siv lub tshuab hlwb hlau (programmable) rau kev tswj kom tsis txhob tuaj. Tsab xov xwm no yuav tsom mus rau daim ntawv thov PLC hauv lub ntim qhov system.
2 qhov system tag nrho
Cov ntawv ntim no feem ntau siv technology tshuab hlwb hlau. Lub tshuab hlwb hlau (programmable controller (PLC) thiab qhov ntsuas qhov ntsuas tswj F701 tsim ib qho kev ntsuas thiab tswj kev ua haujlwm kom tiav cov txheej txheem ntawm cov kev nyhav, ntsuas thiab ntim ntawm daim. Lub system siv PLC ua tus tswj chaw, nrog ntsuas qhov ntsuas kev ntsuas, pneumatic actuator, fais actuator, kev tswj tsis siv neeg thiab kev kho khoom siv kom paub qhov dynamic online online ntsuas thiab ntim ntawm cov hlais. Cov txheej txheem ntawm daim duab ntawm daim phiaj txheej txheem ntawm daim duab yog muaj nyob hauv daim duab 1.
2.1 Kev Tswj Xyuas Hluav Taws Xob
Chav tsev tswj kav ntawm lub tshuab ntim khoom muaj ob ntu.
(1) Vaj huam sib luag: Nws muaj cov tswj kev tswj hwm, lub koom haum pab tswj haujlwm thiab ob qhov chaw hauv lub lag luam. Lub chaw tswj lub txee tsuas yog PLC thiab qhov ntsuas qhov ntsuas twj ntsuas F701, lub tshuab kos lub cav, lub txee thiab lwm yam. Cov chaw pabcuam tswjfwm yog cov AC contactors thiab thermal relays, uas yog tswj cov M1 kiv cua, M2 lifting mechanism engine, thiab M4 kis mechanism. Ntawm lawv, txoj kev tshem cov cuab yeej siv ob contactor vim qhov nce thiab poob. Lub lag luam teb AR1 yog siv rau cov khoom nqa chaw nres nkoj, thiab AR2 yog siv rau kev tiv thaiv kab mob.
(2) Nyob ntawm qhov chaw:
3 motors M1, M2, M3;
4 qhov chaw uas muaj tsib txoj hauj lwm solenoid kom sib koom tes nrog lub cylinder los tswj lub qhov rooj noj mis 1 (solenoid valve YV1), lub qhov rooj noj mis 2 (solenoid valve YV2), lub qhov rooj tawm (solenoid valve YV4) thiab tso lub hnab tsho (solenoid) valve YV5);
6 txwv kev hloov, SQ1 yog qhov chaw kaw qhov kev pub mis, SQ3 yog kaw qhov rooj ntawm qhov rooj tawm, thiab SQ4, SQ5, SQ6 thiab SQ7 raws haum rau sab sauv, qis, qis thiab qis dua ntawm cov khoom siv ntawm lub hnab tshem txoj haujlwm mechanism;
3 load hlwb BP1, BP2, BP3;
Lub teeb hloov ntawm photoelectric SQ11 yog siv los xyuas txog cov khoom pob mus rau thaum xaus ntawm txoj hlua sib txuas.
Lub tshuab hluav taws xob loj muaj xws li coystick, slab conveyors, bagging mechanisms, tswj cov qhov rooj, thiab cov qhov rooj tawm. Txij thaum daim nplaum yog ib qho xim zoo tshaj plaws, nws muaj lub cev zoo thiab nws tsis ua raws li cov khoom powdery, yog li nws tuaj yeem nqeg los ntawm nws tus kheej qhov hnyav, thiab qhov khov tsis tas yuav tshwj xeeb ua. Lub qhov rooj tswj txais ob lub qhov rooj, thiab thaum tswj qhov rooj 1 thiab 2 qhib tag nrho, qhov pub yog ceev, thiab thaum lub qhov rooj kaw 2 yog kaw, qhov pub qeeb qeeb.
2.2 Ntim txheej txheem
(1) Qhov txheej txheem: Cov txheej txheem no muaj ob hom kev khiav lag luam, kev siv twj thiab kev ceev, tiam sis phau ntawv qhia kev ua haujlwm kuj pom tau los ntawm PLC. Daim ntawv muaj tseeb yog siv rau kev debugging, kho thiab teeb meem, li ntawd, cov haujlwm tsis siv neeg yog siv ua piv txwv.
Tom qab lub PLC txiav tawm lub teeb liab tis ntawm F701 (lub qhov hnyav yog pib ntawm 0), qhov kev tswj qhov rooj 1 thiab 2 yog qhib, thiab lub twj tso tawm sai sai mus rau qhov ntsuas qhov hnav (ceev ceev ceev txog 23kg / s), thaum tus nqi pib muaj qhov tshwj xeeb. Thaum lub qhov rooj kaw 2 yog kaw lawm, qhov kev pub mov noj yog hloov mus rau qhov kev pub mov qeeb (qhov kev kub ceev yog kwv yees li 2 kg / s), thiab thaum twg cov khoom siv raws li qhov poob nqis, qhov tswj qhov 1 kaw lawm, thiab kev noj mov xaus. Tom qab tswj hwm, PLC xa cov ntaub ntawv tuav cov cim rau F701. Cov F701 yuav muab sib piv nrog cov tsis muaj teeb meem, tshaj, thiab siab tshaj. Yog hais tias tus nqi tsim nyog, lub teeb "hnyav" yog nyob rau. Yog hais tias qhov nyiaj ntau dhau los lossis tsis txaus, qhov "tsis tso cai" lub teeb nyob rau thiab lub tswb nrov.
(2) Txhim kho cov tswv yim ua haujlwm thiab kev tso tawm haujlwm: Ntxiv lub hnab ntim rau qhov chaw tawm thiab nias "pub chaw nres nkoj" khawm ntawm AR1 kom tos qhov "ntsuas" teeb kom pom kev, qhov chaw nres nkoj khoom yuav tau nce mus rau sab txoj hauj lwm, thiab tus kiv cua yuav pib ua rau lub 15s. Tom qab qhov paug tag lawm, cov qhov rooj tawm qhib tau qhib kom pib tawm. Thaum lub F701 xa ib qho teeb meem ntawm xoom, lub qhov rooj tawm ntawm lub qhov rooj tawm tau kaw 5 lij, ces lub hnab lo lub qhov ncauj tau raug txiav tawm, thiab lub hnab ntim yog nce los ntawm 1. PLC xa ib daim tawv nqaij rov ua dua cov lus ceeb toom rau F701 (tshem tawm Cov tare hnyav ua haujlwm), lub hnab ntim tau muab tso rau ntawm qhov khoom siv los ntawm cov kaus hniav.
(3) Hloov Txheej Txheem: Nias lub "Hloov Pib" khawm ntawm AR2, M4 yuav tau xa ib lub hnab kom nres, thiab lub qhov ncauj yuav cia qis rau qis dua. Txhua lub sij hawm ib lub hnab nyhav, ib lub chaw nres tsheb yog xa mus rau hauv qhov kev txiav txim ntawm cov pib hloov khawm hnab. Qhov voj voog no. Siv lub forklift rau diav rawg lub hnab rau ntawm lub khoom siv hauv lub sijhawm.
Thaum tus nqi qis, nws raug tso cai pub los ntawm nias qhov "qeeb nrawm" khawm thiab nws yuav mus txog qhov tsim nyog; Yog tias tsis muaj kev nqis tes kho ntxiv rau lub tswb thaum lub zog ntau dhau lawm, lub pob "quab yuam" yuav tsum muab nias kom qhib qhov rooj tawm.
3 PLC tswj qhov system
3.1 Kho vajtse teebmeem
Cov tub ntxhais tswj qhov ntawm qhov khoob no yog PLC. PLC xaiv lub C200HE ntawm Omron nrog kev ua tau zoo thiab kev ua kom zoo.
(1) CPU xaiv SYSMACC200HE-CPU42-E, thiab qhov kev pab cuam muaj peev xwm yog 7.2k lus.
(2) Muaj 4 daim npav digital (DI). Cov qauv yog DC input units ntawm hom B ID212. Daim npav no txhawb 16-point DC voltage input. Tag nrho ntawm 32 kev siv, suav nrog kev tswj cov teeb meem ntawm qhov qhia tau qhov sib npaug ntawm F401 thiab cov tswv yim ntawm cov nyees khawm, pob qhov rooj, thiab cov kwj pis tsawg.
(3) Muaj peb qho zis cov ntawv sau (DO). Tus qauv yog hom B OC222 relay tso tawm 2, daim npav no txhawb zog 12-point relay; A-hom OD411 transistor tso tawm tsev, daim npav no txhawb nqa 8 cov ntsiab lus. Ib qho tawm ntawm 20 qhov kev sib tw tawm, nrog rau cov kev tso dej solenoid, cov kev taw qhia txog kev tsav lub cev, cov cim teeb liab, thiab kev tswj cov teeb liab xa mus rau F701.
(4) Fais fab mov thiab sab nraud. Lub hwj huam siv cov PA204, thiab hauv qab phaj yog ib qho chaw nkaum 8-pob.
3.2 PLC txoj haujlwm
C200HE qhov kev pab cuam yog sawv cev los ntawm ib qho yooj yim-to-taub ntaiv ntawm daim duab. Thaum siv lub programmer coj los siv, cov ntaub qhwv toob khab yuav tsum muab hloov dua siab tshiab rau cov tswv yim. Txawm hais tias tus txheej txheem ntawm C200HE tsis zoo, qhov no, qhov sib thooj thiab interlocking tso cai commands-IL (02) thiab ILC (03) thiab kev dhia thiab dhia xaj cov lus qhia-JMP (04) thiab JME (05) qauv zoo ib yam li modularity. Qhov kev pabcuam ntawm no yuav siv tagnrho ntawm 4 cov ntawv qhia ntawm IL thiab ILC cov lus qhia. Thawj pawg yog siv los xyuas seb qhov kev hloov ntawm kev tswj qhov rooj thiab cov qhov rooj tawm mus nyob hauv qhov chaw. Seb puas muaj ob qhov kiv nyob rau hauv qhov chaw los sis tsis yog lub ntsiab ntawm qhov kev pab cuam kauj ruam. Yog tias qhov kev pab cuam tsis tau txiav, nws yuav cuam tshuam rau qhov kev vam meej kev ua tiav, yog li nws yuav tsum yog Tim lub tswb qhia rau tus neeg teb xov tooj. Ob tug qauv ntawm JMP thiab JME lus txib yog nested hauv pawg thib ob, uas sib txuas rau cov txheej txheem tsis siv neeg ua haujlwm thiab kev ua haujlwm cov txheej txheem ntawm kev ua haujlwm rau kev ua haujlwm. Cov pab pawg thib peb yog siv rau kev hloov qhov kev rho tawm thiab plaub pawg neeg siv rau kev hloov cov txheej txheem.
Qhov ntsuas qhov ceeb thawj ntawm qhov ntim no tsis siv ib daim npav rau analog, tab sis pom tau tias siv peb lub hlwb pob txha tib si thiab ib qho uas qhia tau tias F701. F701 yog ib lub 'meter' tshwj xeeb uas siv rau qhov hnyav weighing thiab tswj cov khoom ib qho. Qhov luj ntawm qhov teeb meem no analog yog ua tiav los ntawm F701, thiab PLC thiab F701 yog tag nrho cov teeb liab. Nyob rau hauv txoj kev no, lub PLC ua tiav ntawm qhov system yog txhua qhov teeb meem ntawm digital tswj, uas ua rau kev tswj precision heev zoo dua, thiab lub cajmeem kuj yooj yim, tsis siv cov lus txib nyuaj, thiab vim qhov nyhav poob tom qab lub zog tawm thiab lub zog, thiab kev ua haujlwm thaum lub sijhawm ua haujlwm. Tsis muaj dab tsi hloov tom qab nres lub lag luam kom txog rau thaum rov qab ua haujlwm rov qab, yog li cov ntaub ntawv tuav tseg tsis xam, qhov ntawd yog, tshwj xeeb nco thiab coj cov lus txib hauv PLC tsis tas yuav tsum ua. Daim phiaj siv kev lag luam uas tsis siv neeg khiav lag luam yog qhia nyob hauv daim duab 3.
Cov nram qab no piav qhia txog kev sib raug zoo ntawm txoj kev pub nqa khoom ntawm cov khoom ntim thiab nqa tes ntawm lub PLC thiab qhov qhia tau hais tias F701 nrog rau qhov kev qhia ntawm PLC ntawm cov ntaub ntawv qhia. Cov teeb meem siv DI siv yog 00000 (ze li 0), 00001 (preset value), 00002 (poob nqi), 00003 (tsis txaus), 00004 (tshaj tawm), cov teeb meem saum toj no raug xa tawm ntawm F701 rau PLC, thiab 00009 (automatic hom kev hloov pob zeb), 00301 (txwv tsis pub hloov SQ1, kaw thaum lub qhov rooj laj kab pub raug kaw), 00303 (txwv tsis pub hloov SQ3, kaw thaum lub qhov rooj tawm rooj tawm); Cov teeb liab puas muaj 00700 (tev tau lub teeb meem), 00701 (Cov tawv nqaij rov ua teeb meem), 00701 (cov ntaub ntawv khaws tseg), cov lus ceeb toom saum toj no raug xa tawm ntawm PLC rau F701, 00600 (pub rooj vag 1 qhib), 00601 (pub rooj vag 2 qhib) , 00602 (tawm rooj tawm rooj tawm), 00603 (qhov ncauj qhov ncauj) Cov ntawv tso tawm yog tso tawm). Hauv PLC qhov kev pabcuam, qhov teebmeem ntawm qhov txawv tus nqi yog siv los ua qhov teebmeem kawg. Vim hais tias qhov nyhav yog ze rau kev tswj tus nqi, txoj kev tiv thaiv lub qhov rooj kaw lawm. Thaum lub sij hawm, tsuas yog lub caij nyoog thaum lub valve raug kaw. Qhov loj ntawm qhov txawv yog tom qab lub rooj vag tswj kaw lawm. Muaj tsis muaj qhov hnyav hnyav mus rau hauv lub qhov taub. Daim phiaj xwm txheej ntaiv qhia nyob hauv daim duab 4.
Kev noj cov zaub mov: Cov kab lus thib ob thiab cov kab lus thib ob yog lub caij pib thaum lub kaw lus rau thawj zaug los yog thawj zaug txhua zaus pib tau muab ntim cia. Lub sijhawm no, lub qhov rooj noj mov raug kaw thiab kev pub mis rau noj. Cov kab lus thib peb yog qhov pib ntawm lub pob thib ob pib ntim. Nyob rau lub sij hawm no, lub pob khoom dhau los tau raug muab pub, thiab lub hnab qhib tau tso tawm thiab lub qhov rooj pub mis raug kaw lawm. Plaub kab lus hais tias qhov kev pub mis noj yog tau ntsib thaum twg ob ntawm qhov kawg ntawm qhov kev mob txaus siab thiab lub qhov rooj tawm ntawm tsev tawm mus kaw lawm.
Cov txheej txheem pub mis: Qhov thib tsib kab lus hais tias PLC xa ib qho 0 xuab moos thib ob rau F701 ua ntej kev pub mis rau kev ua haujlwm tare. Lub sij hawm no, lub F701 teev cov nyhav rau 0 tam sim ntawd. Hauv qib thib rau, xya, kaum, thiab kaum ib kab lus, sab hauv I / O tshaj 09010 yog qhov hnyav uas tsis tau mus txog tus nqi qub. Ua ntej no, 00600 thiab 00601 nkawv ob leeg qhib qhov rooj pub mis 1, 2, thiab lub sij hawm no yog kev pub mis loj; qhov nqi preset yog 00001. 09010 yog 0. Lub sij hawm no, lub xiam oob khab tsis tau them lub qhov rooj tawm ntawm lub qhov rooj tawm ntawm lub qhov rooj yog raug kaw rau ib qho pub me me. 03009 yog qhov hnyav tsis tau txog qhov kawg tus nqi (poob nqis), ua ntej 00600 tes qhib qhov rooj qhov pub 1, qhov ntawd yog qhov nqi preset tau los txog thiab lub qhov rooj noj 1 yog qhib thaum tsis tiav qhov nqi. Lub sijhawm no, kev pub mis yog me me, thiab qhov kawg tus nqi yog 03009. Qhov rooj ntawm qhov pub 1 yog kaw rau 0,00600 fais fab tuag tsis ua haujlwm, thiab cov khoom tiav lawm.
Tus txheej txheem tshem tawm: Cov lus thib 8 thiab 9 yog tom qab tus nqi kawg ntawm qhov kev cia siab tau mus txog 4.5 tawm lawm, lub PLC xa cov ntaub ntawv tuav cia rau qhov F701, thiab qhov sib piv ntawm qhov kev sib piv yog ua li cas rau lub sijhawm no. Cov kab lus 12 thiab 13, 03006, yog qhov kawg ntawm kev nce nqi. Cov kev tswj paug 09012 tsis rog thiab yog 1 tom qab qhov kawg ntawm kev nce nqi. Nyob rau lub sij hawm no, 00602 siv zog qhib lub qhov rooj tawm thiab tawm, thiab thaum nws nyob ze li 0, 5s09012 yog 0. 00602 Cov hluav taws xob tsis zoo thiab kaw qhov rooj tawm mus xyuas kom cov khoom siv tau tag. Cov kab lus thib 14 yog hais tias tom qab tso tawm tag lawm, lub PLC xa ib qho 0.12 pulse rau F701 los ua haujlwm ntawm daim tawv nqaij rov qab, uas yog, lub lag luam ua luj ua ntej kev pub mis lawm. Tom qab lub voj voog raug xa rov qab, lub laub ua haujlwm yog ua kom paub tseeb tias qhov nyhav nyhav yog xam txhua lub sijhawm.
4 Xaus
Ntim yog ib qho mob uas tsim nyog rau cov khoom siv nkag mus rau hauv thaj chaw ncig, thiab txoj kev siv cov khoom tseem ceeb ntawm kev ua tiav yog siv cov ntim khoom ntim. Qhov tseeb ntawm cov thawv ntim yuav ncaj qha mus rau lub meej mom thiab kev pab nyiaj txiag ntawm lub tuam txhab. Txawm hais tias lub C200HE yog ib yam khoom thaum ntxov, tus neeg teb xov tooj ntawm lub tshuab ntim khoom yog nyob rau ntawm qhov chaw, thiab tsis tas siv cov khoom lag luam xws li lub tshuab computer thiab cov kev lag luam, thiab lub teeb liab thiab lub tswb nrov siv, thiab cov txheej txheem ua tiav yog cov digital. Yog li ntawd, lub C200HE kuj yog ib qho kev tsim txiaj kom zoo rau hauv qhov khoos kas no. Lub thawv ntim muaj ntau lub hnab ntim ntawm 32 lub hnab / H, thiab tus neeg teb xov tooj tsuas xav tau 2 mus rau 3 leej neeg, uas yooj yim rau kev khiav lag luam. Cov kev tswj kav yog tswj los ntawm PLC kom ntseeg tau tias muaj kev ywj pheej thiab kev tswj xyuas qhov tseeb. Cov kev ntsuas yog tsim los ua 1000kg ± 0.8k. Txij li thaum lub system tau raug kuaj ob zaug, qhov ntsuas kev ntsuas ntawm tag nrho lub cev yog zoo dua 0.2 ‰. Txij li thaum lub lag luam ntawm cov cuab yeej tsav khoom, tsis muaj neeg tau qhia tias qhov khoom muaj hnyav teeb meem, uas tau zoo khaws cia ntawm lub tuam txhab lub koob npe nrov.