Ko te tohu hiko rahinga anarohiko paerewa e whakamahia whānuitia ana i roto i te ahumahi ko te tuku i te rahinga anarohiko me te iahiko DC 4~20mA. Ko te take i whakamahia ai te tohu iahiko he kore e ngāwari te pokanoa, ā, he mutunga kore te ātete ā-roto o te pūtake iahiko. Kāore te raupapa ātete waea i roto i te koropiko e pā ki te tika, ā, ka taea te tuku mō ngā rau mita i runga i te takirua miro noa. Ko te rohe o runga o te 20mA nā ngā whakaritenga ātete-pahū: ko te kaha mura i puta mai i te wehenga o te iahiko o te 20mA kāore e ranea ki te mura o te hau. Ko te take kāore i whakatakotoria te rohe o raro ki te 0mA he kite i te aho whati: kāore e iti iho i te 4mA i roto i te mahi noa. Ina whati te aho tuku nā te hapa, ā, ka heke te iahiko koropiko ki te 0, ka whakatakotoria te 2mA hei uara whakaoho aho whati.
Wā tuku: 29 o Ākuhata-2022