LF-0020 inzwa yobushushu bamanzi

LF-0020 isivamvo lobushushu bamanzi Featured Image

Inkcazelo emfutshane:

I-LF-0020 inzwa yokushisa kwamanzi (i-transmitter) isebenzisa i-thermistor echanekileyo njengenxalenye yokuva, eneempawu zokuchaneka komlinganiselo ophezulu kunye nokuzinza okulungileyo.Umdluliseli womqondiso wamkela imodyuli edityanisiweyo yesekethe ephambili, enokuguqula iqondo lobushushu libe ngumbane ohambelanayo okanye umqondiso wangoku ngokweemfuno ezahlukeneyo zabasebenzisi.Isixhobo sincinci ngobukhulu, kulula ukuyifaka kwaye iphathekayo, kwaye inokusebenza okuthembekileyo;yamkele imigca yobunini, umgca olungileyo, umthamo oqinileyo womthwalo, umgama omde wothumelo, kunye nobuchule obunamandla bokuchasana nokuphazamiseka.Ingasetyenziselwa ngokubanzi ukulinganisa ubushushu kwiinkalo zemeteorology, indalo, ibhubhoratri, ishishini kunye nezolimo.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Technique Parameter

Uluhlu lomlinganiselo	-50℃100℃
Uluhlu lomlinganiselo	-20℃50℃
Ukuchaneka	±0.5℃
Ukunikezwa Amandla	I-DC 2.5V
	I-DC 5V
	I-DC 12V
	I-DC 24V
	Okunye
Okuphumayo	Okwangoku: 4～20mA
	Umbane: 0～2.5V
	Umbane: 0～5V
	RS232
	RS485
	Inqanaba le-TTL: (i-frequency; Pulse wide)
	Okunye
Ubude bomgca	Umgangatho: 10 yeemitha
Ubude bomgca	Okunye
Umthamo womthwalo	Impembelelo yangoku yemveliso≤300Ω
Umthamo womthwalo	Impembelelo ye-Voltage output≥1KΩ
Indawo yokusebenza	Ubushushu: -50℃～80℃
Indawo yokusebenza	Ukufuma: ≤100%RH
Ukuvelisa ubunzima	Probe 145 g, kunye nomqokeleli 550 g
Ukutshatyalaliswa kwamandla	0.5 mW

Ifomula yokubala

Uhlobo lombane (0～5V):
T = V / 5 × 70 -20
(T lixabiso lobushushu elilinganisiweyo (℃), V ngumbane wokuphuma (V), le fomula ihambelana noluhlu lomlinganiselo -20 ~ 50 ℃)
T = V / 5 × 150 -50
(T lixabiso lobushushu elilinganisiweyo (℃), V ngumbane wokuphuma (V), le fomula ihambelana noluhlu lomlinganiselo -50 ~ 100 ℃)
Uhlobo lwangoku (4～20mA)
T = (I-4)/ 16 × 70 -20
(T lixabiso lobushushu lomlinganiselo (℃), mna yimveliso yangoku (mA), olu hlobo luhambelana noluhlu lomlinganiselo -20 ~ 50 ℃)
T = (I-4)/ 16 × 150 -50
(T lixabiso lobushushu elilinganisiweyo (℃), mna yimveliso yangoku (mA), le fomula ihambelana noluhlu lomlinganiselo -50 ~ 100 ℃)
Qaphela: Iifomula zokubala ezihambelana neziphumo zemiqondiso eyahlukeneyo kunye noluhlu lwemilinganiselo eyahlukeneyo kufuneka ibalwe kwakhona!

Indlela yokufaka iiNcingo

1.Ukuba uxhotyiswe ngesikhululo semozulu esiveliswe yinkampani yethu, qhagamshela ngokuthe ngqo i-sensor kwi-interface ehambelanayo kwisikhululo semozulu usebenzisa i-sensor cable.
2. Ukuba i-transmitter ithengiwe ngokwahlukileyo, ukulandelelana kwentambo ehambelanayo ye-transmitter yile:

Umbala womgca	Umqondiso wemveliso
Umbala womgca	Uhlobo lombane	Uhlobo lwangoku	Uhlobo lonxibelelwano
Bomvu	Amandla+	Amandla+	Amandla+
Mnyama (luhlaza)	Umhlaba wamandla	Umhlaba wamandla	Umhlaba wamandla
Lubhelu	Umqondiso wombane	Umqondiso wangoku	A+/TX
Luhlaza			B-/RX

3. I-voltage yokudlulisa kunye nocingo oluphumayo lwangoku:

Ucingo lwemowudi yokuphuma kwamandla ombane

Ucingo lwemowudi yemveliso yangoku

Ubungakanani besakhiwo

(Inzwa yobushushu bamanzi)

Ubungakanani boluvo

(Inzwa yobushushu bamanzi)

MODBUS-RTUProtocol

1. Ifomathi yothotho
Amasuntswana edatha ayi-8
Misa bit 1 okanye 2
Jonga iDijithi Akukho
Isantya se-Baud 9600 Isithuba sonxibelelwano ubuncinane yi-1000ms
2. Indlela yonxibelelwano
[1] Bhala idilesi yesixhobo
Thumela: 00 10 Adress CRC (5 bytes)
Imbuyekezo: 00 10 CRC (4 bytes)
Qaphela: 1. Intwana yedilesi yomyalelo wedilesi yokufunda nokubhala mayibe ngu-00.
2. Idilesi yi-byte eyi-1 kwaye uluhlu luyi-0-255.
Umzekelo: Thumela 00 10 01 BD C0
Ibuyisela 00 10 00 7C
[2] Funda idilesi yesixhobo
Thumela: 00 20 CRC (4 bytes)
Imbuyekezo: 00 20 Adress CRC (5 bytes)
Ingcaciso: Idilesi yi-1 byte, uluhlu luyi-0-255
Umzekelo: Thumela u-00 20 00 68
Ibuyisela 00 20 01 A9 C0
[3] Funda idatha yexesha langempela
Thumela: Idilesi 03 00 00 00 02 XX XX
Qaphela: njengoko kubonisiwe ngezantsi:

Ikhowudi	Inkcazo yomsebenzi	Phawula
Idilesi	Inombolo yesitishi (idilesi)
03	Fikhowudi yesenzo
00 00	Idilesi yokuqala
00 01	Funda iingongoma
XX XX	CRC Jonga ikhowudi, ngaphambili isezantsi emva kwexesha phezulu

Ukubuyisela: Idilesi 03 02 XX XX XX XX

Ikhowudi	Inkcazo yomsebenzi	Phawula
Idilesi	Inombolo yesitishi (idilesi)
03	Fikhowudi yesenzo
02	Funda iyunithi byte
XX XX	Idatha yobushushu bomhlaba (phezulu ngaphambili, iphantsi emva)	Hex
XX XX	Umhlabaukufumaidatha (phezulu ngaphambili, iphantsi emva)

Ukubala ikhowudi ye-CRC:
1. Irejista ye-16-bit ecwangcisiweyo yi-FFFF kwi-hexadecimal (oko kukuthi, zonke ziyi-1).Tsalela le rejista kwirejista ye-CRC.
2.XOR idatha yokuqala ye-8-bit kunye ne-bit esezantsi ye-16-bit yerejista ye-CRC kwaye ubeke umphumo kwirejista ye-CRC.
3.Shifta imixholo yerejista ngasekunene ngesuntswana elinye (ukubhekisa kwisuntswana elisezantsi), gcwalisa eyona bit iphezulu ngo-0, kwaye ujonge eyona bit iphantsi.
4.Ukuba eyona bit ibalulekileyo ngu-0: phinda inyathelo lesi-3 (shift kwakhona), ukuba eyona bit ibalulekileyo ngu-1: irejista ye-CRC iXORed ngepolynomial A001 (1010 0000 0000 0001).
5. Phinda amanyathelo 3 kunye ne-4 kude kube ngamaxesha angama-8 ukuya ekunene, ukuze yonke idatha ye-8-bit iqhutywe.
6. Phinda amanyathelo 2 ukuya ku-5 kwi-8-bit elandelayo yokucubungula idatha.
7.Irejista ye-CRC ekugqibeleni ifunyenwe yikhowudi ye-CRC.
8. Xa isiphumo se-CRC sifakwe kwisakhelo solwazi, i-bits ephezulu kunye nephantsi iyatshintshwa, kwaye i-bit ephantsi iqala.

RS485 Isekethe

Imiyalelo yokusetyenziswa

Xhuma i-sensor ngokwemiyalelo kwindlela yocingo, uze ufake i-sensor probe emhlabeni ukulinganisa ubushushu, kwaye unikeze amandla kumqokeleli kunye nenzwa ukufumana ubushushu bamanzi kwindawo yokulinganisa.

Ukulumkela

1. Nceda ujonge ukuba ukupakishwa kusemgangathweni kwaye ujonge ukuba imodeli yemveliso iyahambelana nokukhetha.
2. Musa ukudibanisa ngombane, kwaye emva koko uvule emva kokujonga i-wiring.
3. Musa ukutshintsha izinto okanye iingcingo ezithe zathengiswa xa imveliso iphuma kumzi-mveliso.
4.Uluvo sisixhobo esichanekileyo.Nceda ungayiqhawuli ngokwakho okanye uchukumise umphezulu we-sensor ngezinto ezibukhali okanye ulwelo oludlekayo ukuze uphephe ukonakalisa imveliso.
5. Nceda ugcine isatifikethi sokuqinisekisa kunye nesatifikethi sokuhambelana, kwaye usibuyisele kunye nemveliso xa ulungisa.

Ukulungisa ingxaki

1.Xa imveliso ifunyenwe, umboniso ubonisa ukuba ixabiso li-0 okanye lingaphandle koluhlu.Khangela ukuba kukho isithintelo kwizinto zangaphandle.Umqokeleli akanakukwazi ukufumana ulwazi ngokuchanekileyo ngenxa yeengxaki zocingo.Nceda ujonge ukuba i-wiring ichanekile kwaye yomelele.
2.Ukuba ayizizo zizathu zingasentla, nceda uqhagamshelane nomvelisi.

Itheyibhile yokhetho

Inani	Imowudi yonikezelo lwamandla	Umqondiso wemveliso	Cacisa
LF-0020			Inzwa yobushushu bamanzi
	5V-		5Vinikwe amandla
	12V-		12Vinikwe amandla
	24V-		24Vinikwe amandla
	YV-		Okunyeinikwe amandla
		0	Akukho tshintsho
		V	0-5V
		V1	1-5V
		V2	0-2.5V
		A1	4-20mA
		A2	0-20mA
		W1	RS232
		W2	RS485
		TL	TTL
		M	Ukubetha
		X	Okunye
Umzekelo: LF-0020-24V-A1: inzwa yobushushu bamanzi (i-transmitter) 24V amandla ombane, 4-20mA imveliso

Ngaphambili: Uluvo lwe-PH

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