Dubawa

Shingayen keɓewar shigar da RTD na iya canza siginar waya biyu ko uku na thermistor (RTD) a wurare masu haɗari zuwa sigina na yanzu na 4-20mA kuma ya fitar da su zuwa yankin aminci. Ana iya daidaita shi da hankali, kuma ana iya saita ainihin kewayon juriyar zafi ta hanyar software na kwamfuta. Yana da ayyuka na ƙararrawar fasa waya da ƙararrawa mara iyaka.

"*" yana wakiltar nau'in shigarwa na thermistor, kuma takamaiman samfurin yana wakiltar lambar (duba "Nau'in Siginar Shigar da Teburin Range" don cikakkun bayanai).

Nau'in siginar shigarwa da kewayon ma'auni

Misali: lokacin da shigarwar sune abubuwan 2 tare da K-ma'aurata, kewayon zafin jiki shine 0 ~ 1200 ℃, 2 fitarwa 4 ~ 20mA, samar da wutar lantarki 20 ~ 35VDC, sannan samfurin ya zama PHD-22TT-1111 (0 ~ 1200 ℃).

Za a iya saita kewayon aunawa zuwa kewayon 0 ~ 1200 ℃ ta kwamfuta.

* Tashar wutar lantarki ta bas, da fatan za a duba ƙarin bayani.

Ƙayyadaddun bayanai

Shigarwa a cikin yanki mai wahala
Siginar shigarwa	Waya biyu ko uku siginonin thermistor waya (duba "Nau'in Siginar Shigar da Teburin Range" don cikakkun bayanai)
Kashe haɗin shigarwa	Za'a iya canza tsohuwar "ƙananan ƙararrawa" zuwa "high ƙararrawa" ta hanyar software na daidaitawa
Kewayon sigina	Madaidaicin kewayon ma'aunin zafin zafi
Kewayon aunawa	Masu amfani suna yin tsarin nasu lokacin yin oda, kuma suna nuna shi a lambar wutsiya ko akasin haka.
Fitowar gefen aminci:
Siginar fitarwa	4 ~ 20mA
Ƙarfin lodin fitarwa	0 ~ 500Ω (wanda ake iya sabawa) Nau'in fitarwa na zaɓi na zaɓi, juriya mai ɗaukar nauyi RL ≥ 330kΩ
LED nuna alama	Green: Alamar wuta Ƙaramar ƙararrawa ƙararrawa mai haske rawaya, ƙararrawar babban kewayon ja haske a kunne
Daidaiton fitarwa	Da fatan za a koma zuwa "Nau'in Siginar shigarwa da Teburin Range" don cikakkun bayanai
Lokacin amsawa	Kai 90% na ƙimar ƙarshe a cikin 300ms
Juyin yanayin zafi	0.005% FS/℃
Ma'aunin zafin jiki	Yanayin aiki: -20 ℃ ~ + 60 ℃, ajiya zazzabi: -40 ℃ ~ + 80 ℃
Dangi zafi	10% ~ 95% RH babu kwandishan
Dielectric ƙarfi	Tsakanin gefen aminci na ciki da kuma gefen da ba na ciki ba (≥ 3000VAC/min); Tsakanin samar da wutar lantarki da tasha mai aminci (≥ 1500VAC/min)
Juriya na rufi	≥100MΩ (tsakanin shigarwa / fitarwa / samar da wutar lantarki)
Daidaitawar lantarki	Dangane da IEC 61326-1 (GB/T 18268), IEC 61326-3-1
Farashin MTBF	100000h
Bukatun waya	A kwance yankan surface ≥ 0.5mm2; Ƙarfin rufi ≥ 500V
Kayan aikin filin da ake amfani da su	Waya biyu ko uku thermistors waya G53, Cu50, Pt100, Pt1000, Ni1000
Wurin shigarwa	An shigar da shi a cikin wani yanki mai aminci, ana iya haɗa shi da kayan aikin aminci na ciki a wurare masu haɗari har zuwa Zone 0, IIC, Zone 20, da IIIC
Tabbacin aminci na ciki
Takaddun amincin aiki	SIL3 bisa ga ka'idodin IEC 61508
Alamar tabbacin fashewa	[Ex ia Ga] lIC [Ex ia Da]llC
Ma'aunin tabbatar da fashewa	GB/T3836.1-2021 GB/T3836.4-2021
Tashar tasha 3-2,4-2	Um: 250V AC/DC Uo=8.4V DC lo=31mA Po=65.1mW Co=4.8µF Lo=20mH
Hukumar tabbatarwa	CQST(Cibiyar Kula da Ingancin Ƙasa ta Sin da Cibiyar Gwaji don Kariyar Kayayyakin Wutar Lantarki)

Tsarin tsari

Ayyuka na ƙarshe da girma

Tasha	Tasha ayyuka
9	Wutar lantarki +	20~Saukewa: 35VDC
10	Tushen wutan lantarki -
	2-waya	3-waya
2	tare da 4 gajeriyar haɗi	Shigar-
3	Shigarwa+	Shigarwa+
4	Shigar-	Shigar-
5	Fitarwa+	4~20mA
6	Fitowa-