Shigarwar Analog
- Tashar Jiragen Sama
- Shingayen Tsaro da Aka Keɓe
- Masu Rarraba Sigina
- Na'urorin Kariya Masu Tasowa
- Tsaron jigilar kaya
- Modules na I/O masu Hankali da Aka Raba
- Ƙofofin Wayo Masu Hankali
- Masu Canja wurin Bayanan Masana'antu
- Masu Nazarin Dew Point na Kan layi
- Sassan Samun Bayanai
- Mai canza bayanai na HART
PHD-11TD-21+ / PHD-12TD-211+
Bayani
Katangar tsaro da aka keɓe ta hanyar analog tare da aikin kariyar ƙaruwa tana samar da wutar lantarki da aka keɓe ga masu watsa waya biyu da uku a wurare masu haɗari. Siginar 4-20mA da mai watsawa ko tushen wuta ke samarwa ana watsa ta daga yankin mai haɗari zuwa wurin fitarwa na yanki mai aminci, ta haka ne ke motsa kaya a yankin aminci. Ga masu watsa waya biyu ko uku ko siginar tushen wuta, wannan katangar tsaro tana goyan bayan sadarwa mai kusurwa biyu na siginar dijital ta Hart da aka ɗora akan siginar 4-20mA kuma tana da aikin ƙararrawa na karyewar waya.
Wannan samfurin yana buƙatar samar da wutar lantarki mai zaman kanta, tare da samar da wutar lantarki mai zaman kanta, shigarwa, da tashoshin fitarwa.
| Shigarwa a cikin yanki mai haɗari | |
| Siginar shigarwa | Mai watsawa biyu ko uku ko tushen yanzu (siginar dijital ta HART) |
| Wutar lantarki ta rarrabawa mai watsawa | Ƙarfin wutar lantarki na da'irar buɗewa shine ≤28V, kuma ƙarfin fitarwa shine ≥15.5V lokacin da da'irar take 20mA. |
| Fitarwa a cikin amintaccen yanki | |
| Siginar fitarwa | 4~20 mA (HART) siginar dijital) |
| Nauyin fitarwa | Lokacin fitar da 20mA, 0~500 Ω (ana iya keɓancewa) |
| Fasali na kariyar karuwa: | |
| Nau'in wutar lantarki mai fitarwa ln(8/20μs) | 5kA ku |
| Matsayin kariyar wutar lantarki Sama (8/20μs): | 60V (layi zuwa layi) |
| Matsayin kariyar wutar lantarki Sama (8/20μs): | 600V (layi zuwa ƙasa) |
| Dangane da ƙa'idodi | GB/T18802.21-2016(daidai da 1EC61643-21:2012) |
| Sigogi na asali | |
| Ƙarfin wutar lantarki | 20~35VDC |
| Amfani da wutar lantarki | Lokacin da wutar lantarki ta 24V, fitarwa ta 20mA |
| ≤65mA(PHD-11TD-21+) | |
| ≤95mA(PHD-12TD-211+) | |
| Alamar LED | Kore: alamar wuta |
| Lokacin amsawa | 2ms don isa 90% na ƙimar ƙarshe |
| Juyawar yanayin zafi | 0.005% FS/℃ |
| Sigogin zafin jiki | Zafin aiki: -20℃ ~ +60℃, |
| Zafin ajiya: -40℃ ~ +80℃ | |
| Danshin da ya dace | 10% ~ 95% RH babu danshi |
| Ƙarfin rufin | Tsakanin ɓangaren da ke da aminci a cikin zuciya da ɓangaren da ba shi da aminci a cikin zuciya (≥3000VAC/min); tsakanin wutar lantarki da ɓangaren da ba shi da aminci a cikin zuciya (≥1500VAC/min) |
| Juriyar rufi | ≥100MΩ (tsakanin shigarwa/fitarwa/ samar da wutar lantarki) |
| Dacewar na'urar lantarki | A cewar IEC 61326-1 (GB/T 18268), IEC 61326-3-1 |
| MTBF | 100000h |
| Bukatun waya | Sashe na giciye ≥ 0.5mm²; Ƙarfin rufi ≥ 500W |
| Kayan aikin filin da suka dace | Siginar watsawa ta waya biyu (HART) ko siginar tushen yanzu (HART) |
| Wurin shigarwa | An sanya shi a cikin yankin aminci, ana iya haɗa shi da kayan aikin tsaro na ciki a cikin yankuna masu haɗari har zuwa Yanki 0, IIC, Yanki 20, da IIIC. |
| Takaddun shaida mai aminci a cikin gida | |
| Alamar tabbatar fashewa | [Ex ia Ga]lIC [Ex ia Da]lllC |
| Ma'aunin kariya daga fashewa | GB/T3836.1-2021 GB/T3836.4-2021 |
| Tashoshi 5-6、5-4 | Um:250V AC/DC Uo=28V DC lo=93mA Po=0.65W Co=0.083μF Lo=4.2mH |
| Tashar 4-6 | Um:250V AC/DC Uo=7.2V DC lo=-- Po=-Co=12μF Lo=-- |
| Hukumar ba da takardar shaida | CQST (Cibiyar Kula da Ingancin Ƙasa da Gwaji ta Kare Kayayyakin Wutar Lantarki ta Ƙasa ta China) |
| Cibiyar gwajin kayayyakin kariya daga walƙiya ta Shanghai | |
Lura: 1. PHD-11TD-21+ bai haɗa da fitarwa kashi 2 ba.
2. Samar da wutar lantarki ta layin wutar lantarki aiki ne na zaɓi. Masu amfani suna buƙatar
ƙayyade yanayin samar da wutar lantarki lokacin yin oda.
Da fatan za a duba abin da aka makala a shafi na 89.
PHD-11TC-33A-23
PHD-11TD-21+ / PHD-12TD-211+
