Thaum twg cov zis ntawm lub programmed timer energized?

Cov txheej txheem:

Thaum twg cov zis ntawm lub programmed timer energized?
Thaum twg cov zis ntawm lub programmed timer energized?

Video: Thaum twg cov zis ntawm lub programmed timer energized?

Video: Thaum twg cov zis ntawm lub programmed timer energized?
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Thaum lub sijhawm timer rung muaj qhov sib txuas ntxiv, lub timer pib suav cov sijhawm raws sijhawm thiab sijhawm kom txog thaum tus nqi sib npaug sib npaug ntawm tus nqi preset. Thaum lub sijhawm sib npaug sib npaug ntawm lub sijhawm teem ua ntej, cov zis tau ua kom muaj zog thiab lub sijhawm tso tawm cov ntaub ntawv cuam tshuam nrog cov zis raug kaw.

Thaum lub relay timer coil yog de energized lub sij hawm hu rov qab instantaneously rau lawv lub xeev li qub?

Thaum lub kauj yog de-energized, Cov neeg sib cuag yuav tam sim ntawd rov qab mus rau lawv lub xeev qub thiab lub moos rov qab mus rau zero.

Dab tsi yog 2 txoj kev uas feem ntau siv los sawv cev rau cov lus qhia timer hauv PLC ntaiv logic program?

Ib lub sijhawm yog PLC cov lus qhia ntsuas lub sijhawm dhau mus tom qab qhov xwm txheej. Cov lus qhia timer tuaj nyob rau hauv ob hom yooj yim: ncua sijhawm ncua sijhawm thiab sijhawm ncua sijhawm. Ob qho "on-delay" thiab "off-delay" timer cov lus qhia muaj ib qho kev tawm tswv yim ua rau lub sijhawm ua haujlwm.

Dab tsi yog qhov txawv ntawm kev ua haujlwm ntawm lub sijhawm tsis rov qab thiab lub sijhawm ua haujlwm rov qab?

Lub sijhawm rov qab yog ib qho uas khaws lub sijhawm thaum twg lub cuab yeej tau txais lub zog thiab khaws cov nqi khaws cia txawm tias poob ntawm lub zog. Lub sij hawm tsis rov qab (ON ncua sijhawm ncua sijhawm) tsuas yog khaws lub sijhawm tsuas yog thaum lub zog txuas ntxiv tau khaws ciaYog tias poob ntawm lub zog, tus nqi sib sau tau rov pib dua.

Yuav ua li cas muaj tseeb thaum lub timer ncav cuag nws tus nqi preset?

qhov ua tiav me ntsis hloov lub xeev thaum twg tus nqi nce mus txog tus nqi preset. nws nyob ntawm hom timer siv.

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