Idan na'urar auna kwararar ultrasonic ɗinku ta gaza samar da sadarwa ta hanyar RS485 ko Modbus tare da tsarin waje (misali, PLC, SCADA, ko HMI), bi wannan jagorar gyara matsala mataki-mataki don gano da magance matsalar.
Dalilan da Suka Faru na Rashin Haɗin Kai
- Sigogi na Sadarwa marasa Daidaita: Ba daidai ba ne ƙimar baud, daidai, bits na tsayawa, ko saitunan adireshin na'ura tsakanin na'urar auna kwarara da tsarin mai masaukin baki.
- Kurakurai a Wayoyi: Haɗi mara kyau, juyewar polarity (layukan A/B), ko kebul da suka lalace (misali, masu tuƙi da suka karye ko kariya).
- Tsangwama ta Wutar Lantarki: Hayaniya daga kayan aiki masu ƙarfin lantarki ko kebul marasa kariya waɗanda ke kawo cikas ga watsa sigina.
- Matsalolin Kayan Aiki: Tashoshin RS485 marasa inganci (akan na'urar auna kwarara ko mai masaukin baki), na'urorin watsawa da suka lalace, ko matsalolin samar da wutar lantarki.
- Rashin jituwa da Yarjejeniyar Sadarwa: Bambance-bambancen Modbus marasa daidaituwa (misali, Modbus RTU da ASCII) ko lambobin aiki marasa tallafi.
Matakan Magance Matsaloli
1. Tabbatar da Saitunan Sigar Sadarwa
- Duba Tsarin Na'urar auna ruwa: Shiga menu na na'urar auna ruwa don tabbatarwa:
- Yawan Baud (misali, 9600, 19200)
- Daidaito (Babu, Ko da, Baƙo)
- Nau'in da aka ƙayyade (1 ko 2)
- Adireshin na'urar (dole ne ya zama na musamman a cikin bas)
- Saitunan Tsarin Mai Ba da Shawara: Tabbatar da cewa PLC/HMI tana amfani da sigogi iri ɗaya. Duba littafin jagorar mai amfani na na'urar aunawa don ƙimar tsoho (misali, 9600 baud, 8N1 don Modbus RTU).
2. Duba Wayoyi da Haɗin Jiki
- Duba Ingancin Kebul: Yi amfani da na'urar multimeter don gwada ci gaba a cikin layukan A/B na RS485 da haɗin ƙasa. Sauya kebul ɗin da suka lalace.
- Tabbatar da Polarity: Tabbatar da cewa tashar RS485 A ta na'urar auna kwarara ta haɗu da tashar A ta mai masaukin baki, kuma B zuwa B. Polarity mai juyawa yana toshe sadarwa.
- Haɗin kai Mai Tsaro: A daure sukurori don hana haɗuwa da ba ta da kyau, wanda ke haifar da asarar sigina a lokaci-lokaci.
3. Rage Tsangwama a Wutar Lantarki
- Yi amfani da Kebul ɗin da aka Kare: Tabbatar da cewa kebul ɗin sadarwa yana da garkuwar ƙasa don rage hayaniya daga injina, na'urori masu canza wutar lantarki, ko na'urorin mita masu canzawa (VFDs).
- Iyaka Tsawon Kebul: Don RS485, ajiye tsawon kebul a ƙasa da mita 1200 (ƙafa 4000) don guje wa lalacewar sigina. Yi amfani da masu maimaitawa don nisan nesa.
4. Gwaji Kayan Aikin
- Na'urorin Musanya: Haɗa na'urar auna kwarara zuwa wani mai aiki da aka sani (ko akasin haka) don gano ko matsalar tana tare da na'urar auna kwarara, mai masaukin baki, ko kebul.
- Duba Wutar Lantarki: Tabbatar da cewa shigarwar wutar lantarki ta na'urar auna kwarara (yawanci 24V DC) tana da daidaito. Canjin wutar lantarki na iya lalata na'urorin watsawa na RS485.
5. Tabbatar da Dacewa da Tsarin Lantarki na Modbus
- Tabbatar da Nau'in Tsarin Aiki: Tabbatar cewa na'urorin biyu suna amfani da nau'in Modbus iri ɗaya (misali, RTU akan RS485). Mai auna kwarara na iya zama RTU ta asali; daidaita mai masaukin daidai gwargwado.
- Gwaji Ta Amfani da Kayan Aikin Ganewa: Yi amfani da manhajar gwajin Modbus (misali, Modbus Poll) don aika umarnin karantawa (misali, lambar aiki 03) kuma ka tabbatar ko na'urar auna gudu ta amsa.
Idan Matsalolin Sun Yi Tsanani
Tuntuɓi tallafin fasaha idan kuna da waɗannan bayanai:
- Samfurin mitar kwarara da lambar serial
- Nau'in tsarin mai masaukin baki (samfurin PLC/HMI)
- Hotunan allo na saitunan sigogi (mita mai kwarara da mai masaukin baki)
- Sakamakon matakan gyara matsala a sama
Ƙungiyarmu za ta taimaka wajen gano cutar, duba firmware, ko maye gurbin hardware idan ya cancanta.
Lokacin Saƙo: Yuli-01-2025