LF-0020 sensor yubushyuhe bwamazi
| Urwego rwo gupima | -50 ～ 100 ℃ |
| -20 ～ 50 ℃ | |
| Ukuri | ± 0.5 ℃ |
| Amashanyarazi | DC 2.5V |
| DC 5V | |
| DC 12V | |
| DC 24V | |
| Ibindi | |
| Hanze | Ibiriho: 4 ～ 20mA |
| Umuvuduko: 0 ～ 2.5V | |
| Umuvuduko: 0 ～ 5V | |
| RS232 | |
| RS485 | |
| Urwego rwa TTL: (inshuro; ubugari bwa pulse) | |
| Ibindi | |
| Uburebure bw'umurongo | Bisanzwe: metero 10 |
| Ibindi | |
| Ubushobozi bwo kwikorera | Ibisohoka ubu impedance≤300Ω |
| Umuvuduko w'amashanyarazi impedance≥1KΩ | |
| Ibidukikije bikora | Ubushyuhe: -50 ℃ ～ 80 ℃ |
| Ubushuhe: ≤100% RH | |
| Tanga ibiro | Probe 145 g, hamwe nuwakusanyije 550 g |
| Gukwirakwiza ingufu | 0.5 mW |
Ubwoko bwa voltage (0 ～ 5V):
T = V / 5 × 70 -20
.
T = V / 5 × 150 -50
.
Ubwoko bwa none (4 ～ 20mA)
T = （I-4） / 16 × 70 -20
(T ni igipimo cy'ubushyuhe bwo gupima (℃), Ndi ibisohoka (mA), ubu bwoko bujyanye no gupima -20 ~ 50 ℃)
T = (I-4) / 16 × 150 -50
.
Icyitonderwa: Imibare yo kubara ijyanye nibisohoka byerekana ibimenyetso bitandukanye kandi ibipimo bitandukanye byo gupima bigomba kubarwa!
1.Niba ufite ibikoresho byikirere byakozwe nisosiyete yacu, huza byimazeyo sensor nu murongo uhuye na sitasiyo yikirere ukoresheje umugozi wa sensor.
2. Niba insimburangingo yaguzwe ukwayo, guhuza insinga zikurikirana za transmitter ni:
| Ibara ry'umurongo | Ikimenyetso gisohoka | ||
| Ubwoko bwa voltage | Ubwoko bwa none | Ubwoko bw'itumanaho | |
| Umutuku | Imbaraga + | Imbaraga + | Imbaraga + |
| Umukara (icyatsi) | Ubutaka | Ubutaka | Ubutaka |
| Umuhondo | Ikimenyetso cya voltage | Ikimenyetso kigezweho | A + / TX |
| Ubururu |
|
| B- / RX |
3. Umuyoboro wa transmitter hamwe nibisohoka wiring:
Wiring ya voltage isohoka muburyo
Wiring kubisohoka ubu
(Icyuma cy'ubushyuhe bw'amazi)
(Icyuma cy'ubushyuhe bw'amazi)
1. Imiterere y'uruhererekane
Amakuru bits 8 bits
Hagarika bit 1 cyangwa 2
Reba Umubare
Igipimo cya Baud 9600 Intera itumanaho byibuze 1000m
2. Imiterere y'itumanaho
[1] Andika aderesi yibikoresho
Kohereza: 00 10 Adresse CRC (5 bytes)
Garuka: 00 10 CRC (4 bytes)
Icyitonderwa: 1. Aderesi ya bito yo gusoma no kwandika adresse igomba kuba 00.
2. Adresse ni 1 byte naho intera ni 0-255.
Urugero: Kohereza 00 10 01 BD C0
Garuka 00 10 00 7C
[2] Soma aderesi yibikoresho
Kohereza: 00 20 CRC (4 bytes)
Garuka: 00 20 Adresse CRC (5 bytes)
Ibisobanuro: Adresse ni 1 byte, intera ni 0-255
Kurugero: Kohereza 00 20 00 68
Garuka 00 20 01 A9 C0
[3] Soma amakuru nyayo
Kohereza: Aderesi 03 00 00 00 02 XX XX
Icyitonderwa: nkuko bigaragara hano:
| Kode | Igisobanuro cyibikorwa | Icyitonderwa |
| Adresse | Numero ya sitasiyo (aderesi) |
|
| 03 | Fkode |
|
| 00 00 | Aderesi ya mbere |
|
| 00 01 | Soma ingingo |
|
| XX XX | CRC Reba kode, imbere hepfo nyuma hejuru |
Garuka: Adresse 03 02 XX XX XX XX
| Kode | Igisobanuro cyibikorwa | Icyitonderwa |
| Adresse | Numero ya sitasiyo (aderesi) |
|
| 03 | Fkode |
|
| 02 | Soma ibice byte |
|
| XX XX | Ubushyuhe bwubutaka (hejuru mbere, hasi nyuma) | Hex |
| XX XX | Ubutakaubuhehereamakuru (hejuru mbere, hasi nyuma) |
Kubara code ya CRC:
1. Kwiyandikisha mbere ya 16-bit ni FFFF muri hexadecimal (ni ukuvuga, bose ni 1).Hamagara iyi rejisitiri igitabo cya CRC.
2.XOR amakuru yambere 8-biti hamwe na bito yo hasi ya 16-biti ya CRC hanyuma ushire ibisubizo mubitabo bya CRC.
3.Hindura ibiri muri rejisitiri iburyo na bito imwe (werekeza kuri bito), wuzuze bito na 0, hanyuma urebe bito yo hasi.
4.Niba bito bito cyane ari 0: subiramo intambwe ya 3 (ongera uhindure), niba bito bito byingenzi ari 1: igitabo cya CRC ni XORed hamwe na polinomial A001 (1010 0000 0000 0001).
5. Subiramo intambwe 3 na 4 kugeza inshuro 8 iburyo, kugirango amakuru 8-bit yose yatunganijwe.
6. Subiramo intambwe ya 2 kugeza kuri 5 yo gutunganya amakuru 8-bitaha.
7.CRC kwiyandikisha amaherezo yabonetse ni code ya CRC.
8. Iyo CRC ibisubizo ishyizwe mumakuru yamakuru, hejuru na bito bito birahanahana, kandi bito ni mbere.
Huza sensor ukurikije amabwiriza yuburyo bwo gukoresha insinga, hanyuma winjize icyuma cya sensor mubutaka kugirango upime ubushyuhe, hanyuma utange ingufu kubakusanyirizo hamwe na sensor kugirango ubone ubushyuhe bwamazi aho bapimye.
1. Nyamuneka reba niba ibipfunyitse bidahwitse kandi urebe niba ibicuruzwa byerekana ibicuruzwa bihuye no guhitamo.
2. Ntugahuze nimbaraga kuri, hanyuma imbaraga kuri nyuma yo kugenzura insinga.
3. Ntugahindure uko bishakiye ibice cyangwa insinga byagurishijwe mugihe ibicuruzwa biva muruganda.
4.Rukuruzi ni igikoresho gisobanutse.Nyamuneka ntukayisenye wenyine cyangwa ngo ukore hejuru ya sensor hamwe nibintu bikarishye cyangwa amazi yangirika kugirango wirinde kwangiza ibicuruzwa.
5. Nyamuneka komeza icyemezo cyo kugenzura nicyemezo cyo guhuza, hanyuma usubize nibicuruzwa mugihe cyo gusana.
1.Iyo ibisohoka byamenyekanye, kwerekana byerekana ko agaciro ari 0 cyangwa kari kure.Reba niba hari inzitizi ziva mubintu byamahanga.Uwatoraguye ntashobora kubona amakuru neza kubera ibibazo byinsinga.Nyamuneka reba niba insinga ari nziza kandi ihamye.
2.Niba atariyo mpamvu zavuzwe haruguru, nyamuneka hamagara uwagikoze.
| Umubare | Uburyo bwo gutanga amashanyarazi | Ikimenyetso gisohoka | Sobanura |
| LF-0020 |
|
| Ubushyuhe bwamazi |
|
| 5V- |
| 5Vimbaraga |
| 12V- |
| 12Vimbaraga | |
| 24V- |
| 24Vimbaraga | |
| YV- |
| Ibindiimbaraga | |
|
| 0 | Nta gihinduka | |
| V | 0-5V | ||
| V1 | 1-5V | ||
| V2 | 0-2.5V | ||
| A1 | 4-20mA | ||
| A2 | 0-20mA | ||
| W1 | RS232 | ||
| W2 | RS485 | ||
| TL | TTL | ||
| M | Indwara | ||
| X | Ibindi | ||
| Kurugero: LF-0020-24V-A1: sensor yubushyuhe bwamazi (transmitter) 24V itanga amashanyarazi, 4-20mA isohoka | |||
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