He maha ngā mita ahumahi e whakamahi ana i te au hei tuku tohu, nā te mea kāore te au e aro ki te haruru. Ko te porowhita au o te 4 ~ 20mA he 4mA hei tohu i te tohu kore, 20mA hei tohu i te tauine katoa o te tohu, ā, ko te tohu i raro i te 4mA me runga ake i te 20mA ka whakamahia hei whakaoho i ngā hapa maha. Ko te putanga 4-20MA o ngā hua taputapu Lanrui he tohu 4-20MA hohe engari ko te mita wai, te mita rere moroiti me te mita wera. He kore mahi te putanga o te mita wai 4-20mA. Nō reira, ina whakamahia te putanga 4-20mA o te mita wai waea-rua, me hohe te taputapu e whiwhi ana i ngā tohu au. Raupapa Rerekētanga Wā: Ka whakamahia ngā tahua M53-M58 hei whakatikatika, hei whakarite me te manatoko i te putanga 4-20MA.
1. Mita raupapa Doppler: OUTPUT1 tīpakohia te 4-20 mA. Ka whakatakotohia e te Rere 4mA te Rere inamata mō te 4 mA. Ka whakatakotohia e te Rere 20mA te Rere inamata mō te 20mA. Mita wai/Raupapa rere iti: Ka whakatakotoria te mati tuatahi o te tahua CFU ki te 2 hei tahuri i te putanga o nāianei.
Kua whakatakotoria te tahua FF ki te 20mA kia rite ki te rere o te wa inamata; e tohu ana te 4mA ko te rere o te wa inamata he 0, ā, kāore he tahua hei whakatakoto.
2. Mita raupapa tere-horahanga: i roto i te tahua iti Putanga, tīpakohia te 4-20 ma ka whakatakoto i te rere inamata o te 4 mA me te 20mA.
3. Momo raupapa awa tuwhera momo paipa me ngā pā wai: i raro i ngā Tautuhinga tawhā rere, tīpakohia te 4-20 mA hei whakarite i te rere tere o te 20mA me te 0 mō te 4 mA. Kāore he tahua hei whakarite.
Wā tuku: 29 o Ākuhata-2022