Okpomọkụ ala na iru mmiri ihe mmetụta ala transmitter
| Oke nha | mmiri ala 0 ℃ 100% ala okpomọkụ -20 ~ 50 ℃ |
| Mkpebi mmiri nke ala | 0.1% |
| Mkpebi okpomọkụ | 0.1 ℃ |
| Ala mmiri ziri ezi | ± 3% |
| Okpomọkụ ziri ezi | ± 0,5 ℃ |
| Ụdị ọkọnọ ike | DC 5V |
| DC 12V | |
| DC 24V | |
| Ndị ọzọ | |
| Ụdị mmepụta | Ugbu a: 4 ~ 20mA |
| Voltaji: 0 ~ 2.5V | |
| Voltaji: 0 ~ 5V | |
| RS232 | |
| RS485 | |
| Ọkwa TTL: (ugboro; obosara usu) | |
| Ndị ọzọ | |
| Nguzogide ibu | Ụdị voltaji: RL≥1K |
| Ụdị ugbu a: RL≤250Ω | |
| Ọnọdụ okpomọkụ na-arụ ọrụ | -50 ℃ 80 ℃ |
| Iru mmiri dị ala | 0 ruo 100% |
| Ibu ngwaahịa | 220 g nyocha na transmitter 570 g |
| oriri ike ngwaahịa | ihe dịka 420mW |
iru mmiri ala:
Ụdị voltaji (mpụta 0 ~ 5V):
R = V / 5 × 100%
(R bụ uru mmiri ala na V bụ uru voltaji mmepụta (V))
Ụdị dị ugbu a (mpụta 4 ~ 20mA):
R = (I-4) / 16 × 100%
(R bụ uru mmiri ala, m bụ uru mmepụta ugbu a (mA))
Okpomọkụ ala:
Ụdị voltaji (mpụta 0 ~ 5V):
T = V / 5 × 70-20
(T bụ uru okpomọkụ a tụrụ atụ (℃), V bụ uru voltaji mmepụta (V), usoro a kwekọrọ na nha nha -20 ℃ 50 ℃)
Ụdị ugbu a (4 ~ 20mA)
T = (I-4) / 16 × 70 -20
(T bụ uru okpomọkụ a tụrụ atụ (℃), m bụ mmepụta ugbu a (mA), usoro a kwekọrọ na nha nha -20 ℃ 50 ℃)
1.Ọ bụrụ na a kwadebere ya na ọdụ ihu igwe nke ụlọ ọrụ ahụ mepụtara, jikọọ ihe mmetụta ozugbo na interface kwekọrọ na ọdụ ihu igwe site na iji eriri ihe mmetụta;
2. Ọ bụrụ na a zụtara onye na-ebufe ya iche, usoro ahịrị kwekọrọ nke onye na-ebugharị bụ:
| Agba agba | Mgbama mmepụta | ||||
| Voltaji | Ugbu a | nzikọrịta ozi | |||
| Uhie | Ike + | Ike + | Ike + | ||
| Black (green) | Ala ike | Ala ike | Ala ike | ||
| Odo | Mgbama voltaji | Mgbama dị ugbu a | A+/TX | ||
| Acha anụnụ anụnụ | B-/RX | ||||
voltaji na-ebufe na wiwi mmepụta ugbu a:
Wiring maka ọnọdụ mmepụta voltaji
Wiring maka ọnọdụ mmepụta ugbu a
Akụkụ Ọdịdị
Nha sensọ
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 | |
| 0002 | Gụọ isi ihe | |
| XX XX | CRC Lelee koodu, n'ihu dị ala ma emechaa dị elu |
Nlaghachi: Adress 03 04 XX XX XX XX YY YY
Rịba ama
| Koodu | Nkọwa ọrụ | Rịba ama |
| Adreesị | Nọmba ọdụ (adreesị) | |
| 03 | Fkoodu nkwekọrịta | |
| 04 | Gụọ otu byte | |
| XX XX | Data okpomọkụ nke ala (dị elu tupu, obere mgbe) | Hex |
| XX XX | Alairu mmiridata (dị elu tupu, obere mgbe) | Hex |
| YY YY | Koodu CRCCheck |
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.
Jikọọ ihe mmetụta dị ka ntuziaka dị na usoro wiring, wee tinye ntụtụ nyocha nke ihe mmetụta n'ime ala iji tụọ iru mmiri, ma gbanye ọkụ na onye na-anakọta ihe iji nweta okpomọkụ ala na iru mmiri n'ebe nlele.
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.
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 ahụ ọ ziri ezi ma kwụsie ike;
2. Ọ bụrụ na ọ bụghị ihe ndị a dị n'elu, biko kpọtụrụ onye nrụpụta.
| No | Ịnye ọkụ | MpụtaSignal | Intụziaka |
| LF-0008- | Okpomọkụ ala na ihe mmetụta iru mmiri | ||
| | 5V- | 5V ike ọkọnọ | |
| 12V- | 12V ike ọkọnọ | ||
| 24V- | 24V ike ọkọnọ | ||
| YV- | Ike ọzọ | ||
| V | 0-5V | ||
| V2 | 0-2.5V | ||
| A1 | 4-20mA | ||
| W1 | RS232 | ||
| W2 | RS485 | ||
| TL | TTL | ||
| M | Pulse | ||
| X | Oebe ahụ | ||
| Dịka:LF-0008-12V-A1:Okpomọkụ ala na ihe mmetụta iru mmiri 12V ịnye ọkụ,4-20mA cmmepụta mgbama ngwa ngwa | |||
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