Annabta na 89448-3020 don kayan aiki na Tooyota

1. Sadarwa mai nisa

Yanzu (4 zuwa 20 Ma) shine mafi kyawun zane-zane yayin watsa bayanai game da nesa mai nisa. Wannan saboda fitowar wutar lantarki shine mafi saukin kamuwa da tsangwama na amo, kuma siginar kanta za ta kasance ta hanyar cable juriya. Koyaya, fitarwa na yanzu na iya yin tsayayya da nisa da kuma samar da cikakke da ingantaccen matsin lamba matsin lamba daga tsarin satar bayanai zuwa tsarin siye da bayanan.

2

Lines na USB suna da haɗari ga zaɓaɓɓen lantarki (EMI) / Mitar Mitar (rfi) / Eld) (ESD) daga igiyoyin gidaje da layin. Hayaniyar wutar lantarki mara izini zai haifar da mummunar lalacewa zuwa ga alama mai ɗaukar hoto kamar alamun ƙarfin lantarki. Wannan matsala na iya samun sauƙin shawo kan amfani da ƙarancin sigina da manyan sigina na yanzu, kamar 4-20 ma.

3, Shirya matsala

Sigurin 4-20 na yana da fitowar 4 na Ma kuma darajar matsi ba sifili ce. Wannan da gaske yana nufin cewa siginar tana da "live sifili", don haka ko da karanta matsin lamba shine sifili, zai cinye 4 na yanzu. Idan siginar ta faɗi zuwa 0 ma, wannan aikin na iya samar da mai amfani tare da nuna alamar kuskuren karatun ko asarar sigina. Ba za a iya cimma wannan batun siginar wutar lantarki ba, wanda yawanci kewayon 0-5 v ko 0-10 v, inda 0 VP ya fito da matsin lamba.

4.

Alamar 4-20 ta fitowar siginar yanayi mara nauyi ce, da groupinging a duka iyakar (infriting da karɓa) na iya haifar da madauki na ciki na iya haifar da siginar marasa lafiya. Don kauce wa wannan, kowane 4-20 ma an ware layi daidai. Koyaya, idan aka kwatanta da 0-10 v Fitput, wannan yana hana firikwensin daga kasancewa daisy-daular kayayyakin more rayuwa guda ɗaya.

5. Samun daidaito

A lokacin da watsa daga firikwacin firikwensin, VoltMeter na iya fassara siginar 0-10 v a ƙarshen karbar. Don 4-20 Ma fitarwa, ana iya karanta sigina bayan mai karɓar kawai ya canza zuwa wutar lantarki. Domin maida wannan siginar ta shiga cikin digo na wutar lantarki, ana yin tsayayya a jerin a tashar fitarwa. Daidaitawar wannan mai tsayayya yana da matukar muhimmanci ga daidaito na ma'aunin siginar da aka karɓa.