A. Bayani na samfurin

HCY mai hankali matsin lamba (bambancin matsin lamba) mai watsa kayan aiki ne bisa ci gaba da hadaddun microsilicon m jihar firikwensin fasaha, modular zane ra'ayi, m bincike da kuma ci gaba da sabon tsara na bambancin matsin lamba / matsin lamba mai watsa kayan aiki. The tushe kuskure na m matsin lamba mai watsawa ne ± 0.1%; dogon lokaci yawo tare da ± 0.10% URL / shekara; Matsakaicin rabo ne 40: 1; Yarjejeniyar sadarwa ta fitarwa: HART; daban-daban debugging hanyoyi: a gida button, handshaker, sadarwa software, da kuma a gida button da LCD header zai iya cimma aiki saiti na mai watsawa; Na'urar firikwensin cikawa mai zaɓi: silicon man fetur, fluorine man fetur.

HCY mai hankali mai watsawa ya hada da bambancin matsin lamba mai watsawa, matsin lamba mai watsawa, matsin lamba mai watsawa ya hada da nau'ikan matsin lamba, matsin lamba.

II. Aikace-aikace

HCY mai hankali matsin lamba mai watsawa ana amfani dashi don auna bambancin matsin lamba, matakin ruwa, kwarara, matsin lamba, matsin lamba, da dai sauransu a cikin aikin masana'antu, tare da fitarwar siginar daidai da yarjejeniyar 4mA ~ 20mA / HART, siginar dijital tana ƙunshe da daban-daban tsari, siginar jihohi da kuma ganewar ganewar kansa bayanai, ana amfani da LCD kansa don nuna aikin matsin lamba, siginar jihohi da ganewar kansa bayanai, maɓallin gida na iya kammala ayyukan tsari da yawa da sauransu.

2.1 yanayin muhalli

Alamar nau'in mai watsawa

Yanayin zafin jiki: -40 ℃ ~ + 85 ℃, -20 ℃ ~ + 60 ℃ lokacin da man fetur ya cika.

Dandin zafi: 0% ~ 100%.

Matsin lamba na yanayi: 86kPa ~ 106kPa.

AC waje magnetic filin ba ya fi 400A / m.

A kewaye da filin ya kamata ba ya ƙunshi gas da mai ƙonewa mai fashewa da ke da tasirin lalata a kan aluminum, chromium, nickel, zinc, bakin karfe da sauransu.

3. fasaha halaye

3.1 Shigarwa

3.1.Amount - bambancin matsin lamba mai watsawa:

Ma'aunin ƙasa: -100% URL ~ + 100% URL-Span

Matsayin iyaka: -100% URL + Span ~ + 100% URL

- Matsin lamba mai watsawa (mita matsin lamba):

Ma'auni ƙasa iyaka: -100% URL (≥-0.1MPa) ~ + 100% URL-Span

Matsayin iyaka: -100% URL + Span (≥-0.1MPa + Span) ~ + 100% URL

- Matsin lamba mai watsawa (matsin lamba):

Ma'auni ƙasa iyaka: 0 ~ + 100% URL-Span

Matsayin iyaka: Span ~ + 100% URL

3.1.2 Zero maki ƙaura

- bambancin matsin lamba mai watsawa:

Matsakaicin ƙaura mai kyau: + 100% URL-Span

Matsakaicin mummunan ƙaura: -100% URL

- Matsin lamba mai watsawa (mita matsin lamba):

Matsakaicin ƙaura mai kyau: + 100% URL-Span

Matsakaicin mummunan ƙaura: -100% URL (≥-0.1MPa)

- Matsin lamba mai watsawa (matsin lamba):

Matsakaicin ƙaura mai kyau: + 100% URL-Span

Matsakaicin mummunan ƙaura: Babu.

3.1.3 ma'auni, ma'auni rabo, rated matsin lamba (duba Table 1, Table 2)

Tebur 1 bambancin matsin lamba mai watsawa m, m rabo, rated matsin lamba kula tebur

Lura: The m aiki matsin lamba mai watsawa ne cikakken matsin lamba 3.5kPa.

Tebur 2 matsin lamba mai watsawa madaidaicin, madaidaicin rabo, matsin lamba iyaka iko tebur

3.1.4 Jama'a irin samar da wutar lantarki

samar da wutar lantarki (yana nufin mai watsawa wutar lantarki tashar) ne 15VDC ~ 45VDC (tare da LCD nuni kan), ripple abun ciki kasa da 0.1%,

Lokacin aiki a filin yana samar da wutar lantarki ta hanyar rarraba ko samar da wutar lantarki mai sarrafawa, yawancin aikin wutar lantarki shine 24VDC.

3.1.5 fashewa-resistant irin samar da wutar lantarki

General tsarin za a iya samar da wutar lantarki ta hanyar rarraba ko iko iko samar da wutar lantarki, yanayi aminci fashewa-resistant mai watsawa a lokacin da wannan tsarin tsaro aiki,

Ya kamata a samar da wutar lantarki ta hanyar ƙofar aminci kuma a watsa sigina. Ana samar da ƙarfin lantarki na fashewa mai watsawa na 24VDC.

3.2 fitarwa

3.2.1 Sadarwa dubawa

HART mai watsawa na jiki ya dace da: Version 8.1, lambar fayil HCF_SPEC-54 (1999.08.24). Data haɗin layers dace:

Version 8.2, lambar fayil HCF_SPEC-81 (2007.07.23), Umurin duniya: Version 7.1, lambar fayil HCF_SPEC-

127 (2008.05.10) da umarnin da aka saba amfani da shi: sigar 9.1, layi na biyu tare da lambar fayil HCF_SPEC-151 (2008.05.21)

Da 4mADC zuwa 20mADC.

3.2.2 Load siffofin

HART mai watsa kaya siffofin ne: RL ≤ (Vs-Vm) / 0.023

Tsarin: RL - Max load juriya; Vs - samar da wutar lantarki; Vm - 15V (tare da LCD nuni kafa). Load juriya yayin sadarwa da HART

(ciki har da siginar karɓar juriya da siginar watsa wayar juriya) bukatar 230 Ω ~ 600 Ω.

3.2.3 daidaitawa na sikelin da sifili bit

Sadarwa software don on-site button, HHT375 handheld, goyon bayan HART yarjejeniyar.

3.2.4 Amsa Lokaci

Lokacin amsa na mataki (63%) yana da alaƙa da ma'auni da ma'auni, 0.2s ~ 1.6s (lokacin da aka kashe wutar lantarki).

3.2.5 lantarki damping: 0.1s ~ 60s daidaitawa.

3.2.6 ƙararrawa

Kai bincike tsari gano matsala, kwaikwayon fitarwa high alarm halin yanzu ko low alarm halin yanzu ƙararrawa, inda:

- Hyper halin yanzu: 20.8mA;

- Low watsa halin yanzu: 3.8mA;

- High cike halin yanzu: 20.8mA;

- Low cike halin yanzu: 3.9mA.

3.3 aikin sigogi

3.3.1 Matsayi yanayi

zafin jiki: 15 ℃ ~ 25 ℃ (mafi girman canji na zafin jiki na muhalli shine 1 ℃ / 10min, amma ba zai wuce 3 ℃ / h ba);

dangi zafi: 45% ~ 75%;

Matsin lamba na yanayi: 86kPa ~ 106kPa;

Wutar lantarki: 24VDC ± 1%, Ripple abun ciki kasa da 0.1%;

Load juriya: 250Ω ± 0.005%;

Mai watsawa: daidai da yarjejeniyar HART, 316L keɓaɓɓen membrane, ruwa mai cikawa na silicon, babu ƙaura mai sifili, fitarwa mai layi, mafi girman sikelin.

Sai dai idan aka bayyana akasin haka, lokacin da aka auna canje-canje na tasiri a kan fitarwa, sauran tasiri ya kamata a kasance a cikin yanayin tunani.

3.3.2 daidaito ± 0.1%.

Lura 1: Ya haɗa da ƙarshen tushen rashin daidaito, rarrabuwa da kuma kuskuren da ba a maimaita ba.

Lura 2: Lokacin da ma'auni rabo ne mafi girma fiye da 10: 1, shi ne sama rashin daidaito nuna alama darajar * ma'auni rabo darajar / 10.

3.3.3 Tsawon lokaci: ± 0.10% URL / shekara.

3.3.4 Tasirin zafin jiki na muhalli

± (0.1% URL + 0.1% Span) / 10 ℃ (-20 ℃ ~ + 65 ℃);

Lura: Yankin zafin jiki yana ƙaruwa sau biyu a -40 ℃ ~ -20 ℃ da + 65 ℃ ~ + 85 ℃.

3.3.5 matsin lamba tasiri:

Tasirin matsin lamba na matsin lamba yana aiki ne kawai ga masu watsawa masu watsawa, ± 0.1% URL / 6.9MPa.

3.3.6 wutar lantarki ƙarfin lantarki tasiri, wutar lantarki ƙarfin lantarki tasiri < ± 0.01% / V.

3.3.7 Shigarwa Location Tasirin:

Zero-bit karkatarwa ba ya wuce 350Pa. Yana shawarar cewa kafin shigarwa kafin daidaitawa da sifili bayan shigarwa, tasirinsa za a iya gyara shi.

3.3.8 Electromagnetic jituwa (EMC)

Daidai da EN 61326-1: 2006 ka'idodin, gwajin abubuwa sun haɗa da radiation cin zarafi (shell), wayar da cin zarafi (wutar lantarki), Electrostatic saki (ESD) juriya, RF electromagnetic filin radiation juriya, aiki mita magnetic filin juriya, lantarki sauri canji pulse juriya, surge (impact) juriya, da kuma wayar da cin zarafi juriya ga RF filin ji.

3.3.9 m juriya: > 100MΩ (500VDC).

3.3.10 Anti-inji rawar jiki da kuma impact

mitar rawar jiki: 10Hz ~ 60Hz, 60Hz ~ 500Hz.

Gyere-gyere peak amplitude: 0.14mm.

Gyere-gyere peak hanzari: 2g.

Tashin peak hanzari: 10g.

3.3.11 kariya matakin: IP67.

3.3.12 ajiya zafin jiki / sufuri zafin jiki: -50 ℃ ~ + 85 ℃.

3.3.13 nauyi

Bambancin matsin lamba mai watsawa: kimanin 2.5kg (ba tare da kayan haɗi ba).

Matsin lamba / Matsin lamba mai watsawa: kimanin 1.0kg (ba tare da kayan haɗi ba).