• Inzwa yemvula yensimbi engagqwali esiteshini samanzi sangaphandle

Inzwa yemvula yensimbi engagqwali esiteshini samanzi sangaphandle

Incazelo emfushane:

Inzwa yemvula (i-transmitter) ifanele iziteshi zezulu (iziteshi), iziteshi ze-hydrological, ezolimo, ezamahlathi, ezokuvikela kuzwelonke neminye iminyango ehlobene, futhi isetshenziselwa ukukala ukude ukuna koketshezi, ukushuba kwemvula, nesikhathi sokuqala nesokuphela kwemvula.Leli thuluzi lihlela ngokuqinile ukukhiqizwa, ukuhlanganiswa kanye nokuqinisekiswa ngokuvumelana nezindinganiso zikazwelonke zokuthipha igeji yemvula yamabhakede.Ingasetshenziselwa i-othomathikhi ye-hydrological forecasting station kanye ne-automatic field predicting station ngenjongo yokuvimbela izikhukhula, ukuthunyelwa kwamanzi, ukuphathwa kombuso wamanzi eziteshini zikagesi namadamu.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ipharamitha ye-Technique

Izinga lokuthwala amanzi Ф200 ± 0.6mm
Ibanga lokulinganisa ≤4mm / min (imvula enamandla)
Isixazululo 0.2mm (6.28ml)
Ukunemba ± 4% (isivivinyo sangaphakathi esimile, ukushuba kwemvula ngu-2mm / min)
Imodi yokunikezwa kwamandla I-DC 5V
I-DC 12V
I-DC 24V
Okunye
Ifomu lokukhiphayo Yamanje 4 ~ 20mA
Isiginali yokushintsha: Ukucisha kweswishi yomhlanga
Amandla kagesi: 0-2.5V
Amandla kagesi: 0 ~ 5V
Amandla kagesi 1 ~ 5V
Okunye
Ubude bomugqa wensimbi Okujwayelekile: 5 m
Okunye
Izinga lokushisa lokusebenza 0 ~ 50 ℃
Izinga lokushisa lesitoreji -10 ℃ ~ 50 ℃

Indlela Yezintambo

1.Uma ifakwe isiteshi sezulu esikhiqizwa yinkampani, xhuma ngqo inzwa ku-interface ehambisanayo esiteshini sezulu usebenzisa umugqa wezinzwa;

2. Uma inzwa ithengwa ngokwehlukana, njengoba inzwa ikhipha isethi yezimpawu zokushintsha, isixhumi sekhebula asinandaba ukuthi silungile futhi sibi.Xhuma inzwa kumjikelezo njengoba kuboniswe esithombeni.

I-lf-0004-imvula

Uma inzwa ikhipha amanye amasiginali, ukulandelana komugqa ohambisanayo nomsebenzi wenzwa evamile kungokulandelayo:

Umbala womugqa Isignali yokuphumayo
Amandla kagesi Okwamanje ukuxhumana
Okubomvu Amandla+ Amandla+ Amandla+
Mnyama(eluhlaza Indawo yamandla Indawo yamandla Indawo yamandla
Okuphuzi Isignali ye-voltage Isiginali yamanje A+/TX
Okuluhlaza okwesibhakabhaka     B-/RX
I-lf-0004-imvula1

Ubukhulu besakhiwo

I-lf-0004-imvula2

Usayizi we-Transmitter

Iphrothokholi yokuxhumana ye-MODBUS-RTU

1. ifomethi ye-serial
I-data bits 8 bits
Misa kancane 1 noma 2
Hlola Idijithi Ayikho
Isilinganiso se-Baud 9600 Isikhawu sokuxhumana okungenani singu-1000ms
2. Ifomethi yokuxhumana
[1] Bhala ikheli ledivayisi
Thumela: 00 10 Ikheli CRC (5 bytes)
Izimbuyiselo: 00 10 CRC (4 bytes)
Qaphela: 1. Ingxenye yekheli lomyalo wekheli lokufunda nokubhala kufanele libe ngu-00.
2. Ikheli liyibhayithi elingu-1 futhi ububanzi bungu-0-255.
Isibonelo: Thumela 00 10 01 BD C0
Ibuyisela 00 10 00 7C
[2] Funda ikheli ledivayisi
Thumela: 00 20 CRC (4 bytes)
Izimbuyiselo: 00 20 Adress CRC (5 bytes)
Incazelo: Ikheli ngu-1 byte, ububanzi bungu-0-255
Isibonelo: Thumela u-00 20 00 68
Ibuyisela 00 20 01 A9 C0
[3] Funda idatha yesikhathi sangempela
Thumela: Ikheli 03 00 00 00 01 XX XX
Qaphela: njengoba kukhonjisiwe ngezansi:

Ikhodi Incazelo yomsebenzi Qaphela
Ikheli Inombolo yesiteshi (ikheli)  
03 Fikhodi yokukhipha  
00 00 Ikheli lokuqala  
00 01 Funda amaphuzu  
XX XX CRC Hlola ikhodi, ngaphambili iphansi kamuva phezulu  

Ukubuyisela: Ikheli 03 02 XX XX XX XX YY YY
Qaphela

Ikhodi Incazelo yomsebenzi Qaphela
Ikheli Inombolo yesiteshi (ikheli)  
03 Fikhodi yokukhipha  
02 Funda iyunithi byte  
XX XX Idatha (phezulu ngaphambili, iphansi ngemva)
Hex
XX XX Ikhodi ye-CRCCheck  

Ukuze ubale ikhodi ye-CRC:
1. Irejista ye-16-bit esethiwe ngaphambilini ithi FFFF nge-hexadecimal (okungukuthi, zonke zingu-1).Shayela le rejista ngerejista ye-CRC.
2. XOR idatha yokuqala ye-8-bit enebhithi engezansi yerejista ye-CRC engu-16 futhi ifake umphumela kurejista ye-CRC.
3.Shifta okuqukethwe kwerejista kwesokudla ngebhithi eyodwa (ubheke kwencane), gcwalisa ibhithi ephezulu kakhulu ngo-0, bese uhlola ibhithi elincane kakhulu.
4. Uma ibhithi ebaluleke kakhulu ingu-0: phinda isinyathelo sesi-3 (shintsha futhi), uma okuncane okubalulekile kungu-1: irejista ye-CRC ifakwe ku-XORed nge-polynomial A001 (1010 0000 0000 0001).
5.Phinda izinyathelo 3 no-4 kuze kube izikhathi ezingu-8 kwesokudla, ukuze yonke idatha ye-8-bit icutshungulwe.
6. Phinda izinyathelo 2 kuya kwezi-5 ukuze uthole ukucubungula kwedatha okungu-8-bit.
7.Irejista ye-CRC ekugcineni itholakele ikhodi ye-CRC.
8. Uma umphumela we-CRC ufakwa ohlakeni lolwazi, amabhithi aphezulu naphansi ayashintshaniswa, bese kuthi kancane kuqala.

Isifunda se-RS485

Isifunda se-RS485

Incazelo yokufaka

1. Isikhundla sokufakwa kwenzwa singakhethwa phansi, ishubhu elikhulu elenziwe mathupha, insika yensimbi flange noma ophahleni lwendlu ngokwezidingo zangempela.
2.Lungisa izikulufu ezintathu zokulinganisa ku-chassis ukuze wenze izinga lokukhomba ibhamuza lezinga (ibhamuza lihlala maphakathi nesiyingi), bese uqinisa kancane kancane izikulufi zokulungisa ezintathu ze-M8 × 80;uma ibhamuza leleveli lishintsha, udinga ukulungisa kabusha.
3. Hlanganisa futhi ulungise inzwa njengoba kukhonjisiwe emfanekisweni ongenhla.
4. Ngemva kokulungisa, vula ibhakede lemvula bese usika izibopho zekhebula enayiloni kufaneli, faka kancane kancane amanzi ahlanzekile kunzwa yemvula, bese ubheka inqubo yokuphenduka yebhakede ukuze uhlole ukuthi idatha iyatholwa yini ethuluzini lokutholwa.Ekugcineni, amanzi amaningi (60-70mm) ayajovwa.Uma idatha eboniswa ithuluzi lokutholwa ihambisana nenani lamanzi ajovwe, ithuluzi livamile, ngaphandle kwalokho kufanele lilungiswe futhi lilungiswe.
5. Gwema ukuqaqa inzwa ngesikhathi sokufakwa.

Izinyathelo zokuzivikela

1. Sicela uhlole ukuthi iphakheji iphelele futhi uhlole ukuthi imodeli yomkhiqizo iyahambisana yini nokukhetha.
2. Ungaxhumi ulayini ovuliwe.Hlola kuphela izintambo futhi uqiniseke ukuthi amandla avuliwe.
3.Ubude bekhebula lenzwa buzothinta isignali yokuphumayo yomkhiqizo.Ungabeki ngokungafanele izingxenye noma izintambo ezidayisiwe lapho umkhiqizo uphuma efekthri.Uma kunesidingo soshintsho, sicela uxhumane nomkhiqizi.
4. Inzwa kufanele ihlolwe njalo ukuze kukhishwe uthuli, udaka, isihlabathi, amaqabunga nezinambuzane, ukuze ungavimbi umzila wokugeleza kwamanzi we-tube engenhla (i-funnel).Isihlungi se-cylindrical singasuswa futhi sigezwe ngamanzi.
5.Kunokungcola odongeni lwangaphakathi lwebhakede lokulahla, elingagezwa ngamanzi noma ngotshwala noma ngesisombululo samanzi sokuhlanza.Kwenqatshelwe ngokuphelele ukusula ngeminwe noma ezinye izinto, ukuze ungatholi amafutha noma unganwayi udonga lwangaphakathi lwebhakede lokulahla.
6. Ngesikhathi seqhwa ebusika, ithuluzi kufanele limiswe futhi lingabuyiselwa ekamelweni.
7. Sicela ulondoloze isitifiketi sokuqinisekisa kanye nesitifiketi sokuvumelana, futhi usibuyisele kanye nomkhiqizo lapho ulungisa.

Ukuxazulula inkinga

1. Imitha yokubonisa ayinakho inkomba.Umqoqi angase angakwazi ukuthola ulwazi ngendlela efanele ngenxa yezinkinga zezintambo.Sicela uhlole ukuthi izintambo zilungile futhi ziqinile.
2.Inani elibonisiwe lesibonisi ngokusobala alihambisani nesimo sangempela.Sicela uthulule ebhakedeni lamanzi futhi uphinde ugcwalise ibhakede ngenani elithile lamanzi (60-70mm), futhi uhlanze udonga lwangaphakathi lwebhakede.
3. Uma kungezona izizathu ezingenhla, sicela uxhumane nomkhiqizi.

Ithebula Lokukhetha

No Ukunikezwa kwamandla kagesi Isiginali yokuphumayo Iziyalezo
I-LF-0004     Inzwa yemvula
  5V-    
12V-    
24V-    
YV-    
  M Shintsha okukhiphayo kwesignali
V 0-2.5V
V 0-5V
W2 RS485
A1 4-20mA
X Okunye
Isb: LF-0014-5V-M: Inzwa yemvula.Ukunikezwa kwamandla okungu-5V, shintsha ukuphuma kwesignali

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