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Pemphani Mtengo
Kulumikizana pakati pa gawo lolumikizirana la PLC ndi makompyuta a mafakitale
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Kulumikizana pakati pa gawo lolumikizirana la PLC ndi makompyuta a mafakitale

2025-01-02 10:57:36

Mu gawo lamakono la automation yamafakitale, makompyuta a PLC ndi mafakitale ndi zigawo ziwiri zofunika komanso zofunika, ndipo ziwirizi sizingasiyanitsidwe. Kompyuta yamafakitale imagwiritsidwa ntchito poyang'anira ndikuwongolera deta; mgwirizano wa awiriwa ukhoza kupititsa patsogolo kwambiri magwiridwe antchito opanga. Kuchita bwino kuti akwaniritse ntchito zovuta zama automation.

M'ndandanda wazopezekamo

1. Chidule cha nkhaniyi:

Nkhaniyi ifotokoza udindo wa ma module olumikizirana a PLC ndi momwe ma module awa angalankhulire bwino ndikuyanjana ndi makompyuta a mafakitale. Mwa kusanthula ntchito, mitundu ndi ma protocol ofanana a ma module olumikizirana a PLCC mwatsatanetsatane, mutha kumvetsetsa bwino udindo wawo mu machitidwe odziyimira pawokha a mafakitale. , ndi momwe ubale pakati pa awiriwa ulili.

2. Ntchito ya gawo lolumikizirana la PLC:

Gawo lolumikizirana la PLC limagwiritsidwa ntchito makamaka pakukulitsa luso losinthana deta ndi kulumikizana. Mphamvu zake zimaphatikizapo kusinthana deta kuti ipereke kutumiza deta pakati pa PLC ndi zida zina monga masensa, ma actuator, ma PLC ena ndi makompyuta amafakitale; kudzera m'magawo osiyanasiyana olumikizirana, PLC imatha kulumikizana ndi mitundu yambiri ya zida kuti iwonjezere kusinthasintha kwa makina ndi kukula kwake.

Njira zathu zolankhulirana za PLC ndi izi:

1. Gawo lolumikizirana la seri:

RS-232: Kawirikawiri imagwiritsidwa ntchito polumikizana ndi malo apafupi, yoyenera kutumiza deta pamlingo wotsika
RS-485: imathandizira kulumikizana kwa mfundo zambiri, yoyenera kulumikizana kwa nthawi yayitali ndi zida zingapo, ndipo ndiyoyenera kwambiri pazinthu zamafakitale (zodzichitira zokha zamafakitale)

2. Gawo lolumikizirana opanda zingwe:

Kulankhulana opanda zingwe ndi zipangizo zina za PLC kungatheke kudzera mu ukadaulo wopanda zingwe monga WiFi, koma ma module olumikizirana otere ayenera kugwiritsidwa ntchito pazochitika za mafoni.

3. Ubale pakati pa gawo lolumikizirana la PLC ndi makompyuta a mafakitale:

Kusinthana kwa deta kumaphatikizapo mbali ziwiri. Choyamba ndi kupeza masensa. PLC imapeza deta kuchokera ku masensa osiyanasiyana kudzera mu ma module olumikizirana. Deta iyi imaphatikizapo kutentha, kuthamanga, kuyenda, ndi zina zotero, kenako PLC imatumiza deta iyi ku kompyuta yamafakitale kuti iwunikidwenso.

Kenako kompyuta ya mafakitale imapanga malangizo ofanana kutengera deta ya sensa yolandiridwa ndi malingaliro okonzedweratu, omwe adzatumizidwa ku mayunitsi ena owongolera kudzera mu gawo lolumikizirana la PLC kuti achite zomwezo.

Kugwira ntchito bwino komanso kudalirika kwa kulumikizana pakati pa gawo lolumikizirana la PLC ndi kompyuta yamakampani kudzadalira njira yolumikizirana. Ndikofunikira kusankha njira yoyenera yolumikizirana. Njira zolumikizirana zodziwika bwino zimaphatikizapo Modbus, Profibus, Ethernet/IP, ndi CANopen.

4. Kuphatikiza kwa PLC ndi makompyuta a mafakitale molimba:

1. Kulamulira ndi kuyang'anira nthawi yeniyeni

Kudzera mu gawo lolumikizirana la PLC, kompyuta yamafakitale imatha kuyang'anira ndikuwongolera magawo osiyanasiyana ndi momwe ntchito yopangira ikuyendera nthawi yeniyeni. Kuchita bwino kumeneku ndikofunikira kwambiri kuti njira yopangira ipite patsogolo bwino komanso kuyankha pazochitika zosazolowereka nthawi yomweyo.

2. Kujambula ndi Kusanthula Deta

Kompyuta ya mafakitale ikapeza deta kuchokera ku PLC, imatha kulemba ndikusanthula detayo. Deta iyi singagwiritsidwe ntchito poyang'anira nthawi yeniyeni, komanso kusanthula deta yakale, motero kukonza njira yopangira ndikukweza magwiridwe antchito opangira.

3. Kuwongolera ndi kuyang'anira kutali

Makompyuta a mafakitale amatha kuwongolera ndikuwongolera zida zakutali kudzera mu ma module olumikizirana a PLC. Izi ndizofunikira kwambiri mu machitidwe owongolera ogawidwa komanso zochitika za mapulogalamu zomwe zimafuna kuyang'anira ndi kuwongolera kutali.

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