Daviteq MBRTU-PODO Optical Dissolved Oxygen Sensor nwere mmepụta Modbus
Okwu mmalite
Ihe mmetụta Oxygen gbasasịa ngwa anya nwere mmepụta Modbus MBRTU-PODO
- Teknụzụ ikuku oxygen gbazere nke ọma na nke dị ala (luminescent quenching).
- Mmepụta mgbama RS485/Modbus.
- Standardkpụrụ ụlọ ọrụ, ụlọ ahụ siri ike nwere 3⁄4” NPT n'ihu na azụ.
- Mwepu eriri na-agbanwe agbanwe: eriri USB (0001) na eriri nwere ike ịpụpụ (0002).
- Ihe mmetụta nrụgide mmiri jikọtara ọnụ (nyocha-nyocha).
- Igwe ọkụ akpaaka na ụgwọ nrụgide.
- Nkwụghachi salinity akpaaka yana uru ntinye aka nke onye ọrụ/salinity.
- Mgbanwe okpu ihe mmetụta dị mma yana nhazi nhazi agbakwunyere.
Ịtụ Oxygen etisasịwo n'ime mmiri
Nkọwapụta
| Oke | Ime saturation%: 0 ruo 500%. DO ntinye uche: 0 ruo 50 mg/L (ppm). Okpomọkụ na-arụ ọrụ: 0 ruo 50 Celsius. Nchekwa okpomọkụ: -20 ruo 70 Celsius. Nrụgide ikuku na-arụ ọrụ: 40 ruo 115 kPa. Nrụgide kachasị elu: 1000 kPa. |
| Oge nzaghachi | Mee: T90 ~ 40s maka 100 ruo 10%. Okpomọkụ: T90 ~ 45s maka 5 - 45oC (w/ ịkpali). |
| Izi ezi | Eme: 0-100% <± 1 %. 100-200% <± 2 %. Okpomọkụ: ± 0.2 °C. Nrụgide: ± 0.2kPa. |
| Ntinye / mmepụta/protocol | Ntinye: 4.5 - 36 V DC. Oriri: nkezi 60 mA na 5V. Mmepụta: RS485/Modbus ma ọ bụ UART. |
| nhazi nhazi |
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| Mee ihe ndị na-akwụ ụgwọ | Okpomọkụ: akpaka, oke zuru oke.
Salinity: akpaka na ntinye onye ọrụ (0 ruo 55 ppt). Nrụgide:
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| Mkpebi | Oke dị ala (<1 mg/L): ~ 1 ppb (0.001 mg/L). Ogologo etiti (<10 mg/L): ~ 4-8 ppb (0.004-0.008 mg/L). Oke dị elu (> 10 mg / L): ~ 10 ppb (0.01 mg / L) * * Oke dị elu, mkpebi dị ala. |
| Ndụ Cap Sensor tụrụ anya | Ndụ bara uru ruo afọ 2 ga-ekwe omume n'ọnọdụ kachasị mma. |
| Ndị ọzọ | Waterproof: IP68 rating na ofu USB. Asambodo: RoHs, CE, C-Tick (na-arụ ọrụ). Akụrụngwa: Ryton (PPS) ahụ. Ogologo eriri USB: 6 m (nhọrọ dị). |
Foto ngwaahịa
Usoro ngwa anya gbasasịa Oxygen sensọ MBRTU-PODO
MBRTU-PODO-H1 .PNG
Wiring
Biko jikọọ wiwi dị ka egosiri n'okpuru:
| Waya agba | Nkọwa |
| Uhie | Ike (4.5 ~ 36V DC) |
| Nwa | GND |
| Akwụkwọ ndụ akwụkwọ ndụ | UART_RX (maka nkwalite ma ọ bụ njikọ PC) |
| Ọcha | UART_TX (maka nkwalite ma ọ bụ njikọ PC) |
| Odo | RS485A |
| Acha anụnụ anụnụ | RS485B |
Mara: Enwere ike ịkpụ wires UART abụọ ma ọ bụrụ na ọ bụghị nkwalite / nyocha mmemme.
Nhazi na nha
Mee nhazi na Nhọrọ
Tọgharia mmezi
a) Tọgharia nhazi 100%.
Onye ọrụ na-ede 0x0220 = 8
b) Tọgharia nhazi 0%.
Onye ọrụ na-ede 0x0220 = 16
c) Tọgharia nhazi ihu igwe.
Onye ọrụ na-ede 0x0220 = 32
Nhazi nke 1-isi
1-point calibration pụtara calibrating nyocha na n'ókè nke 100% saturation, nke nwere ike nweta site na otu n'ime ndị a ụzọ:
a) Na mmiri juru ikuku (usoro ọkọlọtọ).
Mmiri juru ikuku (maka example nke 500 ml) nwere ike nweta site na-aga n'ihu (1) na-asachapụ mmiri na ikuku site na iji ikuku bubbler ma ọ bụ ụfọdụ ụdị aeration banyere 3 ~ 5 nkeji, ma ọ bụ (2) ịkpali mmiri site magnetik stirrer n'okpuru 800 rpm maka 1 hour.
Mgbe mmiri juru ikuku dị njikere, tinye okpu ihe mmetụta na ihe mmetụta okpomọkụ nke nyocha n'ime mmiri jupụtara na ikuku, na calibrate nyocha mgbe ọgụgụ ahụ kwụsiri ike (na-emekarị 1 ~ 3 nkeji).
Onye ọrụ na-ede 0x0220 = 1, wee chere 30 sekọnd.
Ọ bụrụ na agụ ikpeazụ nke 0x0102 adịghị na 100 ± 0.5%, biko lelee ma nkwụsi ike nke gburugburu ule ugbu a ma ọ bụ gbalịa ọzọ.
b) Na mmiri na-ejupụta ikuku (usoro dị mma).
N'aka nke ọzọ, enwere ike ịme nhazi 1-pt n'ụzọ dị mfe site na iji ikuku jupụtara na mmiri, mana enwere ike ịkpata njehie 0 ~ 2% dabere na arụmọrụ dị iche iche. Enyere usoro ndị akwadoro dịka n'okpuru:
i) imikpu okpu ihe mmetụta na ihe mmetụta okpomọkụ nke nyocha n'ime mmiri ọhụrụ / mgbata 1 ~ 2 nkeji.
ii) wepụta nyocha ahụ ngwa ngwa wee kpoo mmiri ahụ n'elu okpu ihe mmetụta site na anụ ahụ.
iii) tinye ihe mmetụta mmetụta na calibration / nchekwa karama na sponge mmiri dị n'ime. Zere kọntaktị kpọmkwem nke okpu ihe mmetụta na mmiri ọ bụla dị na karama mmezi/nkwakọba n'oge usoro nhazi a. Debe ebe dị n'etiti okpu ihe mmetụta na sponge mmiri dị ~ 2 cm.
v) chere ka agụọ gị kwụsie ike (nkeji 2 ~ 4) wee dee 0x0220 = 2.
Nhazi 2-point (100% na 0% saturation point)
(i) Tinye nyocha ahụ n'ime mmiri jupụtara n'ikuku, dee 0x0220 = 1 mgbe agụchara DO kwụsiri ike.
(ii) Mgbe ịgụchara akwụkwọ wee bụrụ 100%, bugharịa nyocha ahụ na mmiri oxygen efu (jiri sodium sulfide agbakwunyere karịa na
mmiri sample).
(iii) Dee 0x0220 = 2, mgbe agụchara DO kwadoro (~ opekata mpe 2 mins).
- (iv) Onye ọrụ na-agụ saturation na 0x0102 maka nhazi 1-point, 0x0104 maka nhazi 2-point.
Cal-point cal adịghị mkpa maka ọtụtụ ngwa, ọ gwụla ma ndị ọrụ chọrọ nha ziri ezi na ntinye uche DO dị ala (<2 ppm). - A naghị anabata mmanye nke "0% calibration" na-enweghị "100% calibration".
Ntuzi aka maka okpomọkụ
i) Onye ọrụ na-ede 0x000A = ọnọdụ okpomọkụ x100 (Ex: Ọ bụrụ na ọnọdụ okpomọkụ = 32.15, mgbe ahụ onye ọrụ dee 0x000A=3215).
ii) Onye ọrụ na-agụ okpomọkụ na 0x000A. Ọ bụrụ na ọ ha nhata n'ihe ị tinyere, a na-eme nhazi ahụ. Ọ bụrụ na ọ bụghị, biko nwaa nzọụkwụ 1 ọzọ.
Modbus RTU Protocol
Usoro iwu:
- E kwesịghị izipu iwu ngwa ngwa karịa 50mS site na mmecha nke nzaghachi ikpeazụ.
- Ọ bụrụ na ahụghị nzaghachi a na-atụ anya site na ohu ahụ maka> 25mS, tụfuo njehie nkwukọrịta.
- Nyocha na-agbaso ọkọlọtọ Modbus maka ọrụ 0x03, 0x06, 0x10, 0x17
Usoro nnyefe usoro:
- Ụdị data bụ nnukwu-endian ma ọ bụrụ na edeghị ya ọzọ.
- Nfefe RS485 ọ bụla ga-enwe: otu mmalite bit, 8 data ibe n'ibe, enweghị parity bit, na abụọ nkwụsị ibe n'ibe;
- Ọnụego Baud ndabara: 9600 (ụfọdụ n'ime nyocha nwere ike ịnwe Baudrate nke 19200);
- Adreesị Ohu mbụ: 1
- Ihe nrịbama data 8 a na-ebufe mgbe mmalite mmalite bụ nke kachasị mkpa na mbụ.
- Usoro Bit
| Malite bit | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Kwụsị ntakịrị |
N'oge
- Ekwesịrị ịme mmelite firmware n'ime sekọnd 5 nke ike ma ọ bụ nrụgharị dị nro Nchọpụta Nchọpụta LED ga-abụ acha anụnụ anụnụ n'oge a.
- Enweghị ike ịme iwu mbụ tupu sekọnd 8 site na ọkụ ma ọ bụ ntọgharị nro
- Ọ bụrụ na enweghị nzaghachi a na-atụ anya site na oge iwu enyerela na-eme ka 200ms gachara
Modbus RTU protocol:
| Debanye aha # | R/W | Nkọwa | Ụdị | Ihe ndetu |
| 0x0003 | R | LDO (mg/L) x100 | Nkeji 16 | |
| 0x0006 | R | Saturation% x100 | Nkeji 16 | |
| 0x0008 | R/W | Salinity (ppt) x100 | Nkeji 16 | |
| 0x0009 | R | Nrụgide (kPa) x100 | Nkeji 16 | |
| x000A | R | Okpomọkụ (°C) x100 | Nkeji 16 | |
| 0x000F | R | Ọnụego Baud | Nkeji 16 | Rịba ama 1 |
| 0x0010 | R | Adreesị Ohu | Nkeji 16 | |
| 0x0011 | R | Nchọpụta nyocha | Nkeji 32 | |
| 0x0013 | R | Ihe mmetụta Cap ID | Nkeji 32 | |
| 0x0015 | R | Nyochaa ụdị Firmware x100 | Nkeji 16 | Rịba ama 2 |
| 0x0016 | R | Nyochaa Obere Ndozigharị Firmware | Nkeji 16 | Rịba ama 2 |
| 0x0063 | W | Ọnụego Baud | Nkeji 16 | Rịba ama 1 |
| 0x0064 | W | Adreesị Ohu | Nkeji 16 | |
| 0x0100 | R | LDO (mg/L) | Fee n'elu | |
| 0x0102 | R | Saturation% | Fee n'elu | |
| 0x0108 | R | Nrụgide (kPa) | Fee n'elu | |
| 0x010A | R | Okpomọkụ (°C) | Fee n'elu | |
| 0C | R/W | Oge nyocha ugbu a | 6 bytes | Rịba ama 3 |
| 0x010F | R | Mpekere mperi | Nkeji 16 | Rịba ama 4 |
| 0x0117 | R | Salinity (ppt) | Fee n'elu | |
| 0x0132 | R/W | Mbelata okpomọkụ | Fee n'elu | |
| 0x0220 | R/W | Ntụzigharị Bits | Nkeji 16 | Rịba ama 5 |
| 0x02CF | R | Nọmba Oghe Membrane | Nkeji 16 | |
| 0x0300 | W | Malitegharịa ekwentị dị nro | Nkeji 16 | Rịba ama 6 |
Mara:
- Rịba ama 1: Ọnụego Baud: 0= 300, 1= 2400, 2= 2400, 3= 4800, 4= 9600, 5= 19200, 6=38400, 7= 115200.
- Rịba ama 2: Ụdị Firmware bụ adreesị 0x0015 kewara site na 100, wee bụrụ nkeji iri, wee adreesị 0x0016. Ọpụample: ọ bụrụ na 0x0015 = 908 na 0x0016 = 29, mgbe ahụ ụdị firmware bụ v9.08.29.
- Rịba ama 3: Nchọpụta enweghị RTC, ọ bụrụ na enyeghị nyocha ike na-aga n'ihu ma ọ bụ tọgharịa ụkpụrụ niile ga-atụgharị na 0.
Oge bytes bụ afọ, ọnwa, ụbọchị, ụbọchị, elekere, nkeji, sekọnd. Kacha dị ịrịba ama na kacha nta.
Example: iftheuserwrites0x010C=0x010203040506, mgbe ahụ, a ga-etinye oge na February 3rd, 2001 4:05:06 nke ụtụtụ. - Rịba ama 4: A na-agụta ihe ka ọtụtụ n'ime ibe ha dị ntakịrị, malite na 1:
- Bit 1 = Njehie nhazi nhazi.
- Bit 3 = Nyochaa okpomọkụ adịghị oke, kacha 120 Celsius.
- Bit 4 = Ntinye uche na-anọghị nso: opekempe 0 mg/L, kacha 50 mg/l. o Bit 5 = Njehie ihe mmetụta nrụgide.
- Bit 6 = Sensọ nrụgide na-anọghị nso: opekempe 10 kPa, kacha 500 kPa.
Nyocha ga-eji ndabara mgbali = 101.3 kPa. - Bit 7 = Njehie nkwukọrịta ihe mmetụta nrụgide, Nchọpụta ga-eji nrụgide ndabara = 101.3 kPa.
Rịba ama 5:Dee (0x0220) 1 Gbaa nhazi nhazi 100%. 2 Gbaa nhazi nhazi 0%. 8 Tọgharia nhazi 100% 16 Tọgharia nhazi 0% 32 Tọgharia nhazi ọnọdụ okpomọkụ.
- Note 6: Ọ bụrụ na edere 1 n'adreesị a, a na-arụ ọrụ mmalite dị nro, a na-eleghara agụ/agụ ndị ọzọ anya.
Rịba ama 7: Ọ bụrụ na nyocha ahụ nwere ihe mmetụta nrụgide arụnyere nke a bụ naanị adreesị na-agụ.
Rịba ama 8: Uru ndị a bụ nsonaazụ nke nhazi isi ihe abụọ, ebe adreesị nke 2x0 na 0003x0 na-egosi nsonaazụ nke nhazi 0006 isi.
Exampna Mbufe
CMD: Gụọ data nyocha
Raw Hex: 01 03 0003 0018 B5C0
| Adreesị | Iwu | Malite adreesị | # nke ndebanye aha | CRC |
| 0x01 | 0x03 | 0x0003 | 0x0018 | 0xB5C0 |
| 1 | Gụọ | 3 | 0x18 |
Exampnzaghachi le 1 site na nyocha:
Raw Hex: 01 03 30 031B 0206 0000 2726 0208 0BB8 27AA 0AAA 0000 0000 0000 0BB8 0005 0001 0001 0410 0457 0000 038 0052 FAD0001
Exampnzaghachi le 2 site na nyocha:
Raw Hex: 01 03 30 0313 0206 0000 26F3 0208 0000 27AC 0AC8 0000 0000 0000 0000 0005 0001 0001 0410 0457
0000 038C 0052 0001 031A 2748 0000 5BC0
| Ntinye uche (mg/L) | Saturation% | Salinity (ppt) | Nrụgide (kPa) | Okpomọkụ (°C) | Ntinye uche 2pt (mg/L) | Saturation% 2pt |
| 0x0313 | 0x26F3 | 0x0000 | 0x27AC | 0x0AC8 | 0x031A | 0x2748 |
| 7.87 mg/L | 99.71% | 0 ppt | 101.56kp | 27.60 Celsius C | 7.94 mg/L | 100.56% |
CMD: Gbaa nhazi 100%
Raw Hex: 01 10 0220 0001 02 0001 4330
| Adreesị | Iwu | Malite adreesị | # nke ndebanye aha | # nke Bytes | Uru | CRC |
| 0x01 | 0x10 | 0x0220 | 0x0001 | 0x02 | 0x0001 | 0x4330 |
| 1 | Dee Multi | 544 | 1 | 2 | Gbaa 100% Cal |
Exampnzaghachi le 1 site na nyocha:
Raw Hex: 01 10 0220 0001 01BB ịga nke ọma!
CMD: Gbaa nhazi 0%
Raw Hex: 01 10 0220 0001 02 0002 0331
| Adreesị | Iwu | Malite adreesị | # nke ndebanye aha | # nke Bytes | Uru | CRC |
| 0x01 | 0x10 | 0x0220 | 0x0001 | 0x02 | 0x0002 | 0x0331 |
| 1 | Dee Multi | 544 | 1 | 2 | Gbaa 0% Cal |
Exampnzaghachi le 1 site na nyocha:
Raw Hex: 01 10 0220 0001 01BB ịga nke ọma!
CMD: Mmelite salinity = 45.00 ppt, Nrụgide = 101.00 kPa, na okpomọkụ = 27.00 °C
Raw Hex: 01 10 0008 0003 06 1194 2774 0A8C 185D
| Adreesị | Iwu | Malite adreesị | # nke ndebanye aha | # nke Bytes | Uru | CRC |
| 0x01 | 0x10 | 0x0008 | 0x0003 | 0x06 | 0x1194 2774 0A8C | 0x185D |
| 1 | Dee Multi | 719 | 1 | 2 | 45, 101, 27 |
Exampnzaghachi le 1 site na nyocha:
Raw Hex: 01 10 0008 0003 01CA ịga nke ọma!
| Adreesị | Iwu | Malite adreesị | # nke ndebanye aha | # nke Bytes | Uru | CRC |
| 0x01 | 0x10 | 0x02CF | 0x0001 | 0x02 | 0x0457 | 0XD751 |
| 1 | Dee Multi | 719 | 1 | 2 | 1111 |
Exampnzaghachi le 1 site na nyocha:
Raw Hex: 01 10 02CF 0001 304E ịga nke ọma!
Akụkụ
MBRTU-PODO MMỤTA (Nkeji: mm)
Nlekọta
Nlekọta nyocha gụnyere ihicha okpu ihe mmetụta, yana nhazi kwesịrị ekwesị, nkwadebe, na nchekwa nke usoro ule.
Mgbe a naghị eji nyocha ahụ, a na-atụ aro ka ịchekwaa nyocha ya na okpu ihe mmetụta ya na karama calibration/nchekwa nke etinyere na nkwakọ ngwaahịa mbụ, etinyere na nyocha ahụ. Mpempe mmiri dị ọcha ma ọ bụ usoro mkpuchi mmiri / iru mmiri nwekwara ike ezuru ma ọ bụrụ na karama mmezi/ nchekwa adịghị. Ogbo dị n'ime karama mmezi/nkwakọba kwesịrị idobe mmiri mmiri maka nsonaazụ kacha mma.
Zere okpu ihe mmetụta na-emetụ ihe mgbaze organic, ịcha, na nkuko mkparị iji wusie ike na ịgbatị ndụ ọrụ nke okpu ihe mmetụta. Ekwesịrị ịkpachapụ anya pụrụ iche iji hichaa mkpuchi nke okpu, itinye nyocha na okpu n'ime mmiri dị ọhụrụ, wee jiri anụ ahụ kpatụ elu ahụ. Ejichala elu mkpuchi.
Dochie okpu ihe mmetụta, ma ọ bụrụ na mkpuchi okpu akpọnwụwo ma ọ bụ wepụ ya. Emetụla mpio doro anya dị n'ọnụ ọnụ nyocha mgbe ị kwụsịrị okpu ochie. Ọ bụrụ na ihe ọ bụla na-emerụ emerụ ma ọ bụ ihe fọdụrụ dị na windo ma ọ bụ n'ime okpu ahụ, jiri nlezianya wepụ ya na ntụ ntụ na-adịghị ehichapụ. Mgbe ahụ, tụgharịa okpu ihe mmetụta ọhụrụ na nyocha ahụ.
Akwụkwọ / akụrụngwa
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Daviteq MBRTU-PODO Optical Dissolved Oxygen Sensor nwere mmepụta Modbus [pdf] Ntuziaka onye ọrụ MBRTU-PODO Optical Dissolved Oxygen Sensor nwere Modbus mmepụta, MBRTU-PODO, Optical Dissolved Oxygen Sensor nwere Modbus mmepụta, Sensọ nwere Modbus mmepụta, Modbus mmepụta |
