• Ihe mmetụta okpomọkụ mmiri LF-0020

Ihe mmetụta okpomọkụ mmiri LF-0020

Nkọwa dị mkpirikpi:

LF-0020 mmiri okpomọkụ ihe mmetụta (transmitter) na-eji elu-nkenke thermistor dị ka akụkụ mmetụta, nke nwere àgwà nke elu nha nha nha na ezi nkwụsi ike.Mgbama na-ebufe modul agbakwunyere sekit dị elu, nke nwere ike ịtụgharị okpomọkụ ka ọ bụrụ voltaji kwekọrọ ma ọ bụ akara ugbu a dịka mkpa dị iche iche nke ndị ọrụ si dị.Ngwá ọrụ dị ntakịrị na nha, dị mfe ịwụnye na obere ibu, ma nwee arụmọrụ a pụrụ ịdabere na ya;ọ na-anabata ahịrị ndị nwe ya, ezigbo linearity, ikike ibu siri ike, ogologo nnyefe ogologo, yana ikike mgbochi mgbochi siri ike.Enwere ike iji ya mee ihe n'ọtụtụ ebe maka nha okpomọkụ na mpaghara meteorology, gburugburu ebe obibi, ụlọ nyocha, ụlọ ọrụ na ọrụ ugbo.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Usoro Parameter

Oke nha -50 ~ 100 ℃
-20 ~ 50 ℃
izi ezi ± 0.5 ℃
Ịnye ọkụ DC 2.5V
DC 5V
DC 12V
DC 24V
Ndị ọzọ
Ọpụpụ Ugbu a: 4 ~ 20mA
Voltaji: 0 ~ 2.5V
Voltaji: 0 ~ 5V
RS232
RS485
Ọkwa TTL: (ugboro; obosara usu)
Ndị ọzọ
Ogologo ahịrị Ọkọlọtọ: mita 10
Ndị ọzọ
Ikike ibu impedance mmepụta ugbu a≤300Ω
Mwepụta mmepụta voltaji≥1KΩ
gburugburu ebe ọrụ Okpomọkụ: -50℃ ~ 80℃
iru mmiri: ≤100% RH
Mepụta ibu Nyocha 145 g, ya na onye nchịkọta 550 g
Mgbasa ike 0.5mW

Usoro mgbako

Ụdị voltaji (0 ~ 5V):
T=V / 5 × 70 -20
(T bụ uru okpomọkụ a tụrụ atụ (℃), V bụ voltaji mmepụta (V), usoro a kwekọrọ na nha nha -20 ~ 50 ℃)
T = V / 5 × 150 -50
(T bụ uru okpomọkụ a tụrụ atụ (℃), V bụ voltaji mmepụta (V), usoro a kwekọrọ na nha nha -50 ~ 100 ℃)
Ụdị ugbu a (4 ~ 20mA)
T= (I-4)/ 16 × 70 -20
(T bụ nha okpomọkụ uru (℃), m bụ mmepụta ugbu a (mA), ụdị a kwekọrọ na nha nso -20 ~ 50 ℃)
T=(I-4)/ 16 × 150 -50
(T bụ uru okpomọkụ a tụrụ atụ (℃), m bụ mmepụta ugbu a (mA), usoro a kwekọrọ na nha nha -50 ~ 100 ℃)
Mara: Ekwesịrị ịmegharị usoro ngụkọ kwekọrọ na nsonaazụ mgbaàmà dị iche iche yana nha nha dị iche iche!

Usoro waya

1.Ọ bụrụ na a kwadebere ya na ọdụ ihu igwe nke ụlọ ọrụ anyị mepụtara, jikọọ ihe mmetụta ozugbo na interface kwekọrọ na ọdụ ihu igwe site na iji eriri sensọ.
2. Ọ bụrụ na a zụtara onye na-ebufe ya iche, usoro eriri USB dabara na nke nnyefe bụ:

Agba agba

Mgbama mmepụta

Ụdị voltaji

Ụdị dị ugbu a

Ụdị nzikọrịta ozi

Uhie

Ike+

Ike+

Ike+

Nwa (akwụkwọ ndụ akwụkwọ ndụ)

Ala ike

Ala ike

Ala ike

Odo

Mgbama voltaji

Mgbama dị ugbu a

A+/TX

Acha anụnụ anụnụ

 

 

B-/RX

3. voltaji na-ebufe na wiwi mmepụta ugbu a:

LF-0020 mmiri okpomọkụ ihe mmetụta5

Wiring maka ọnọdụ mmepụta voltaji

Ihe mmetụta okpomọkụ mmiri LF-00206

Wiring maka ọnọdụ mmepụta ugbu a

Nha nhazi

LF-0020 ihe mmetụta okpomọkụ mmiri7

(Ihe mmetụta okpomọkụ mmiri)

Nha sensọ

LF-0020 mmiri okpomọkụ sensọ8

(Ihe mmetụta okpomọkụ mmiri)

MODBUS-RTUPROtocol

1. Usoro usoro
Data ibe 8 bit
Kwụsị bit 1 ma ọ bụ 2
Lelee ọnụọgụ ọ bụla
Ọnụọgụ Baud 9600 Oge nzikọrịta ozi bụ opekata mpe 1000ms
2. Usoro nzikọrịta ozi
[1] Dee adres ngwaọrụ
Ziga: 00 10 CRC (5 bytes)
Nlaghachi: 00 10 CRC (4 bytes)
Cheta na: 1. Obere adreesi nke ịgụ na ide adreesị ga-abụrịrị 00.
2. Adress bụ 1 byte na oke bụ 0-255.
Ọmụmaatụ: Zipụ 00 10 01 BD C0
laghachi 00 10 00 7C
[2] Gụọ adreesị ngwaọrụ
zipu: 00 20 CRC (4 bytes)
Nlaghachi: 00 20 Adreesị CRC (5 bytes)
Nkọwa: Adreesị bụ 1 byte, oke ya bụ 0-255
Ọmụmaatụ: Zipụ 00 20 00 68
laghachi 00 20 01 A9 C0
[3] Gụọ data ozugbo
Ziga: Adress 03 00 00 00 02 XX XX
Mara: dị ka egosiri n'okpuru:

Koodu

Nkọwa ọrụ

Rịba ama

Adreesị

Nọmba ọdụ (adreesị)

 

03

Fkoodu nkwekọrịta

 

0000

Adreesị mbụ

 

0001

Gụọ isi ihe

 

XX XX

CRC Lelee koodu, n'ihu dị ala ma emechaa dị elu

 

Nlaghachi: Adreesị 03 02 XX XX XX XX

Koodu

Nkọwa ọrụ

Rịba ama

Adreesị

Nọmba ọdụ (adreesị)

 

03

Fkoodu nkwekọrịta

 

02

Gụọ otu byte

 

XX XX

Data okpomọkụ nke ala (dị elu tupu, obere mgbe)

Hex

XX XX

Alairu mmiridata (dị elu tupu, obere mgbe)

 

Iji gbakọọ koodu CRC:
1. Ndebanye aha 16-bit preset bụ FFFF na hexadecimal (ya bụ, ha niile bụ 1).Kpọọ aha ndebanye aha CRC.
2.XOR data 8-bit nke mbụ nwere ntakịrị ntakịrị nke ndebanye aha CRC 16-bit wee tinye nsonaazụ ya na ndekọ CRC.
3.Bugharịa ọdịnaya nke ndekọ ahụ gaa n'aka nri site na otu bit (n'akụkụ ntakịrị ntakịrị), dejupụta ntakịrị kacha elu na 0, wee lelee ntakịrị ntakịrị.
4.Ọ bụrụ na nke kacha nta dị ịrịba ama bụ 0: kwugharịa nzọụkwụ 3 (gbanwee ọzọ), ọ bụrụ na nke kacha nta dị mkpa bụ 1: A na-edebanye aha CRC na polynomial A001 (1010 0000 0000 0001).
5. Tinyegharịa usoro 3 na 4 ruo ugboro 8 n'aka nri, nke mere na edozila data 8-bit dum.
6. Tinyegharịa usoro 2 ruo 5 maka nhazi data 8-bit ọzọ.
7.Ndebanye aha CRC mechara nweta bụ koodu CRC.
8. Mgbe a na-etinye nsonaazụ CRC n'ime etiti ozi, a na-agbanwe ihe dị elu na nke dị ala, na obere ntakịrị bụ nke mbụ.

RS485 okirikiri

LF-0020 mmiri okpomọkụ sensọ9

Ntuziaka maka ojiji

Jikọọ ihe mmetụta dị ka ntụziaka dị na usoro wiring, wee tinye nyocha ihe mmetụta n'ime ala iji tụọ okpomọkụ, ma nye ike na onye nchịkọta na ihe mmetụta iji nweta okpomọkụ mmiri na ebe nha.

Mkpachapụ anya

1. Biko lelee ma nkwakọ ngwaahịa adịghị ma lelee ma ụdị ngwaahịa ọ dabara na nhọrọ ahụ.
2. Ejila ọkụ jikọọ, wee gbanye mgbe ịlele wiring.
3. Agbanwela ngwa ngwa ma ọ bụ wires ndị ereworo mgbe ngwaahịa ahụ hapụrụ ụlọ ọrụ ahụ.
4.Ihe mmetụta bụ ngwaọrụ nkenke.Biko ewepụla ya n'onwe gị ma ọ bụ jiri ihe dị nkọ ma ọ bụ mmiri na-emebi emebi metụ elu ihe mmetụta ahụ ka ị ghara imebi ngwaahịa ahụ.
5. Biko dowe asambodo nkwenye na asambodo nnabata, wee were ngwaahịa weghachi ya mgbe ị na-arụzi ya.

Nchọpụta nsogbu

1.Mgbe achọpụtara mmepụta, ihe ngosi na-egosi na uru ya bụ 0 ma ọ bụ na-anọghị nso.Lelee ma enwere ihe mgbochi sitere na ihe mba ọzọ.Onye na-anakọta nwere ike ọ gaghị enwe ike ịnweta ozi ahụ nke ọma n'ihi nsogbu waya.Biko lelee ma waya ọ̀ ziri ezi ma kwụsie ike.
2.Ọ bụrụ na ọ bụghị ihe ndị a dị n'elu, biko kpọtụrụ onye nrụpụta.

Tebụl nhọrọ

Nọmba

Ụdị ọkọnọ ike

Mgbama mmepụta

Kọwaa

LF-0020

 

 

Ihe mmetụta okpomọkụ mmiri

 

5V-

 

5Vkwadoro

12V-

 

12Vkwadoro

24V-

 

24Vkwadoro

YV-

 

Ndị ọzọkwadoro

 

0

Enweghị mgbanwe

V

0-5V

V1

1-5V

V2

0-2.5V

A1

4-20mA

A2

0-20mA

W1

RS232

W2

RS485

TL

TTL

M

Pulse

X

Ndị ọzọ

Ọmụmaatụ: LF-0020-24V-A1: mmiri okpomọkụ ihe mmetụta (transmitter)

24V ike ọkọnọ, 4-20mA mmepụta


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