Sei 4 ~ 20mA 2-waya Ichiita Mainstream Output yeTransmitter

Nezvekutumira masaini ekutumira mukushandiswa kwemagetsi muindasitiri, 4~20mA ndiyo imwe yesarudzo dzakajairika. Kana paine hukama hwakatarwa pakati pekuchinja kwemaitiro (kumanikidzwa, mwero, tembiricha, nezvimwewo) uye kubuda kwemagetsi. 4mA inomiririra muganho wakaderera, 20mA inomiririra muganho wepamusoro, uye kureba kwenzvimbo i16mA. Ndezvipi zvinobatsira zvinosiyanisa 4~20mA kubva kune mamwe magetsi emagetsi nemagetsi uye zvinova zvakakurumbira?

Azvino uye voltage ese ari maviri anoshandiswa pakufambisira masaini emagetsi. Nekudaro chiratidzo chazvino chinofarirwa kupfuura voltage mune zvekushandisa. Chimwe chechikonzero chikuru ndechekuti nguva dzese kubuda kwazvino kashoma kukonzeresa kudonha kwevoltage pamusoro pekutapurirana kwakareba sezvo ichikwanisa kukwidza voltage yekutyaira kutsiva kutapurirana. Zvichakadaro, zvichienzaniswa nechiratidzo chevoltage, yazvino inoratidza hukama hwakanyanya mutsara nemaitiro akasiyana ayo anobatsira kune yakareruka calibration uye muripo.

Mheni Dziviriro Kunyudza Level Transmitter, 4 ~ 20mA 2-waya

Kusiyana nezvimwe zviyero zvemagetsi zvenguva dzose (0~10mA, 0~20mA nezvimwewo), chinhu chikuru che4~20mA ndechekuti haisarudze 0mA semuganho wakaderera wekuyera. Chikonzero chekukwidza chiyero chezero kuita chiri mupenyu ndechekugadzirisa dambudziko re dead zero zvinoreva kuti kusakwanisa kuona kusashanda zvakanaka kwesystem kunokonzera kukundikana kunotungamira ku 0mA output isingazivikanwe kana chiyero chemagetsi chenguva yakaderera chiriwo 0mA. Kana iri chiratidzo che4~20mA, kuputsika kunogona kuzivikanwa zvakajeka nekudonha kwemagetsi zvisina kujairika pasi pe4mA sezvo isingazotariswe semutengo wakayerwa. 

4 ~ 20mA Differential Pressure Transmitter, rarama zero 4mA

Pamusoro pezvo, iyo 4mA yakaderera muganho inovimbisa kushoma inodiwa simba rekushandisa kushandisa chiridzwa nepo 20mA yepamusoro muganho inorambidza kukuvara kunouraya kumuviri wemunhu nezvikonzero zvekuchengetedza. 1: 5 reshiyo reshiyo inoenderana neyakajairwa pneumatic control system inobatsira pakuverenga kuri nyore uye dhizaini iri nani. Yazvino loop-powered 2-waya ine yakasimba ruzha yekudzivirira yakanakira kuisirwa.

Aya mabhenefiti mune ese maficha anowanzoita 4-20mA imwe yeanonyanya kuenderana chiridzwa kuburitsa mu process control automation. Shanghai WangYuan ari pamusoro 20 makore chiridzwa mugadziri. Isu tinopa zviridzwa zvakatanhamara ne4-20mA kana imwe yakasarudzika yekubuda sarudzo dzekumanikidzwa, level, tembirichauyekuyereracontrol.