Gabatarwa ga Fitar 4-20 mA

1. Menene fitowar 4-20 mA
4-20 mA siginar lantarki ce ta analog wadda ake amfani da ita sosai a cikin kayan aikin masana'antu, kamar su mitar matakin, mitar kwarara, masu watsa matsi, da sauransu.
4 mA yana wakiltar ƙimar kewayon ƙasa da 0%
20 mA yana wakiltar ƙimar babban kewayon 100%
2. Fa'idodin 4-20 mA
Ƙarfin hana tsangwama, wanda ya dace da watsawa mai nisa
Ba a rage tasirin juriyar kebul da raguwar ƙarfin lantarki ba
Mai sauƙin gano karyewar waya (sigina < 4 mA yana nufin matsala)
Mai jituwa da yawancin PLCs, DCS, masu rikodi da tsarin sarrafawa
Mai karko kuma abin dogaro a cikin mawuyacin yanayin masana'antu
3. Aikace-aikace na yau da kullun
Aika ƙimar da aka auna (matakin, kwarara, matsin lamba, zafin jiki)
Haɗa zuwa tsarin sarrafawa don sa ido da sarrafawa
Ana amfani da shi a cikin kayan aikin filin masana'antu daban-daban
Ya dace da mai, maganin ruwa, sinadarai, wutar lantarki da sauran masana'antu