PHD-11TD-21

Bayani

Katangar aminci da aka keɓe a gefen ganowa: PHD-11TD-21, shigarwar analog da fitarwa, shigarwar guda ɗaya da fitarwa guda ɗaya.

^ Katangar da aka keɓe za ta iya ware ta kuma aika siginar 4 ~ 20mA ko siginar DC 4 ~ 20 mA da mai watsawa ya samar a yankin mai haɗari zuwa yankin aminci. Lokacin da mai watsawa tsarin waya biyu ko waya uku ne, katangar aminci tana ba da wutar lantarki ga mai watsawa.

^ Wannan samfurin yana buƙatar wutar lantarki ta waje mai ƙarfin 20-35VDC.

^ Wannan samfurin yana goyan bayan siginar HART da ƙararrawar yankewa.

* Lura: Idan kuna buƙatar wasu sigogi na wannan samfurin, tuntuɓi tallafin fasaha namu. Idan fitarwa wasu sigogi ne, ana nuna ta ta lamba 9, kuma takamaiman sigogi ana nuna su bayan lambar samfurin.

Tuntube mu

cikakkun bayanai game da samfurin

Sigar fasaha

Tsarin wayoyi

Takardar shaida

Saukewa

Bayani

Katangar aminci mai keɓewa ta shigar da analog tana ba da wutar lantarki mai keɓewasamar da na'urorin watsawa guda biyu da uku a wurare masu haɗari.

Siginar 4 ~ 20mA da mai watsawa ko tushen wutan lantarki ke samarwa ana watsa ta ne 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 wutan lantarki, wannan shingen tsaro yana goyan bayan sadarwa mai kusurwa biyu na siginar dijital ta Hart da aka ɗora a kan siginar 4 ~ 20mA kuma yana da aikin ƙararrawa na karyewar waya.

Wannan samfurin yana buƙatar samar da wutar lantarki mai zaman kanta, tare da keɓaɓɓun hanyoyin samar da wutar lantarki, shigarwa, da tashoshin fitarwa.

Ƙarfin wutar lantarki	20~35VDC Amfani da wutar lantarki: Lokacin da wutar lantarki ta 24V, fitarwa ta 20mA ≤65mA(PHD-11TD-21)
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
Siginar shigarwa	Mai watsawa mai waya biyu ko waya uku ko siginar tushen yanzu (HART)
Siginar fitarwa	4~20mA (HART)
Ƙarfin ɗaukar kaya da aka yarda da shi	0~500Ω (wanda za'a iya gyarawa)
Daidaiton fitarwa	0.1%FS(Matsakaicin ƙima:0.05% FS)
Juyawar yanayin zafi	0.005% FS/℃
Adadin shigarwa da fitarwa	Shigarwa 1 fitarwa 1
Kayan aikin filin da suka dace	Waya biyu, mai watsawa mai waya uku da siginar tushen yanzu, wannan samfurin ya dace da ABB, Fisher, Rosemount, Honeywell 11, da kuma 3351, EJA, SIEMENS da sauran kayayyaki masu fasahar shigo da kaya.
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)
Girma	Kauri 12.5mm* faɗi 108mm* tsayi 118mm
Dacewar na'urar lantarki	A cewar IEC 61326-1 (GB/T 18268), IEC 61326-3-1
Alamar hana fashewa	[Ex ia Ga] IIC [Ex ia Da] ⅢC
Takardar shaidar aminci ta aiki	SIL2 bisa ga ka'idojin IEC 61508 da EN 61511
Hukumar ba da takardar shaida	CQST (Cibiyar Kula da Ingancin Ƙasa da Gwaji ta Kare Kayayyakin Wutar Lantarki ta Ƙasa ta China)
Sigogi masu inganci (tsakanin tashoshi 1-2)	Um=250V Uo=3.5V Io=—mA Co=100μF Lo=--mH Po=--W
Sigogi masu inganci (tsakanin tashoshi 3-4)	Um=250V Uo=28V Io=93mA Co=0.05μF Lo=2.4mH Po=0.65W
Bukatun 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.
MTBF	≤100000h