Daviteq MBRTU-PODO Optical Dissolved Oxygen Sensor yokhala ndi Modbus output
Mawu Oyamba
Optical Dissolved Oxygen Sensor yokhala ndi Modbus linanena bungwe MBRTU-PODO
- Ukadaulo wolondola komanso wocheperako wa okosijeni wosungunuka (luminescent quenching).
- RS485 / Modbus chizindikiro chotulutsa.
- Muyeso wamakampani, nyumba yolimba yokhala ndi 3⁄4” NPT kutsogolo ndi kumbuyo.
- Flexible cable outlet: chingwe chokhazikika (0001) ndi chingwe chotuluka (0002).
- Integrated (probe-mounted) waterproof pressure sensor.
- Kutentha kwadzidzidzi ndi kupsinjika maganizo.
- Kulipiritsa mchere wodziwikiratu wokhala ndi zolowetsa-zolowera / kuchuluka kwa mchere.
- Chosavuta cha sensor cap m'malo ndi ma calibration ophatikizika.
KUYEZA OKSIJENI WOYENDWA M'MADZI
Kufotokozera
| Mtundu | DO Saturation%: 0 mpaka 500%. Kuyikirako: 0 mpaka 50 mg / L (ppm). Kutentha kwa ntchito: 0 mpaka 50 ° C. Kutentha kwa yosungirako: -20 mpaka 70 ° C. Kuthamanga kwa Atmospheric: 40 mpaka 115 kPa. Kuthamanga Kwambiri Kwambiri: 1000 kPa. |
| Nthawi Yoyankha | DO: T90 ~ 40s kwa 100 mpaka 10%. Kutentha: T90 ~ 45s kwa 5 - 45oC (w/ yolimbikitsa). |
| Kulondola | KUCHITA: 0-100% <± 1%. 100-200% <± 2%. Kutentha: ± 0.2 °C. Kupanikizika: ± 0.2 kPa. |
| Lowetsani /output/protocol | Zolowetsa: 4.5 - 36 V DC. Kugwiritsa ntchito: pafupifupi 60 mA pa 5V. Zotulutsa: RS485 / Modbus kapena UART. |
| Kuwongolera |
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| PITIRIZANI Zinthu Zolipirira | Kutentha: automatic, full range.
Mchere: wodziwikiratu ndi zolowetsa ogwiritsa ntchito (0 mpaka 55 ppt). Kupanikizika:
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| Kusamvana | Kutsika (<1 mg/L): ~ 1 ppb (0.001 mg/L). Pakati (<10 mg/L): ~ 4-8 ppb (0.004-0.008 mg/L). Kuchuluka (>10 mg/L): ~10 ppb (0.01 mg/L).* *Ulendo wapamwamba kwambiri, mawonekedwe apansi. |
| Moyo wa Sensor Cap Life | Moyo wothandiza mpaka zaka ziwiri ndizotheka muzochitika zabwino kwambiri. |
| Ena | Osalowa madzi: IP68 yokhala ndi chingwe chokhazikika. Zitsimikizo: RoHs, CE, C-Tick (ikuchitika). Zida: Ryton (PPS) thupi. Kutalika kwa chingwe: 6 m (zosankha zilipo). |
Zithunzi Zamalonda
NJIRA YOPHUNZITSIRA WOPHUNZITSIDWA WA OXYGEN SENSOR MBRTU-PODO
MBRTU-PODO-H1 .PNG
Wiring
Chonde wiritsani monga momwe zilili pansipa:
| Waya mtundu | Kufotokozera |
| Chofiira | Mphamvu (4.5 ~ 36 V DC) |
| Wakuda | GND |
| Green | UART_RX (yokulitsa kapena kulumikizana kwa PC) |
| Choyera | UART_TX (yokulitsa kapena kulumikizana kwa PC) |
| Yellow | Zamgululi |
| Buluu | Mtengo wa RS485B |
Chidziwitso: Mawaya awiri a UART atha kudulidwa ngati sikukweza / kukonza pulogalamu.
Calibration ndi Muyeso
PITIRIZANI Calibration mu Zosankha
Bwezeraninso kayerekezo
a) Bwezeretsani 100% kusinthidwa.
Wogwiritsa alembe 0x0220 = 8
b) Bwezeretsaninso 0% kusanja.
Wogwiritsa alembe 0x0220 = 16
c) Bwezeraninso kusintha kwa kutentha.
Wogwiritsa alembe 0x0220 = 32
1-point calibration
Kuwongolera kwa 1-point kumatanthauza kuwongolera kafukufukuyo pamlingo wa100% machulukitsidwe, omwe angapezeke mwa njira imodzi:
a) M'madzi odzaza mpweya (njira yokhazikika).
Madzi okhala ndi mpweya (mwachitsanzoample la 500 mL) litha kupezeka mosalekeza (1) kuyeretsa madzi ndi mpweya pogwiritsa ntchito chopukusira mpweya kapena mtundu wina wa mpweya pafupifupi mphindi 3-5, kapena (2) kusonkhezera madzi ndi maginito osonkhezera pansi pa 800 rpm kwa ola limodzi.
Madzi odzaza ndi mpweya akakonzeka, mizani kapu ya sensa ndi sensa ya kutentha kwa kafukufukuyo m'madzi odzaza mpweya, ndikuyesa kufufuza pambuyo powerenga kukhazikika (nthawi zambiri 1 ~ 3 mphindi).
Wogwiritsa alembe 0x0220 = 1 , kenako ndikudikirira masekondi 30.
Ngati kuwerenga komaliza kwa 0x0102 sikuli mu 100 ± 0.5%, chonde onani ngati kukhazikika kwa malo oyeserera kapena yesaninso.
b) Mu mpweya wodzaza ndi madzi (njira yabwino).
Kapenanso, kuyezetsa kwa 1-pt kumatha kuchitika mosavuta pogwiritsa ntchito mpweya wodzaza ndi madzi, koma cholakwika cha 0 ~ 2% chikhoza kuchitika kutengera magwiridwe antchito osiyanasiyana. Njira zovomerezeka zimaperekedwa motere:
i) kumiza kapu ya sensa ndi sensa ya kutentha kwa kafukufukuyo m'madzi atsopano / apampopi 1 ~ 2 mphindi.
ii) tulutsani kafukufukuyo ndikuviikani mwachangu madzi pamwamba pa kapu ya sensa ndi minofu.
iii) ikani mapeto a sensa mu botolo la calibration / yosungirako ndi siponji yonyowa mkati. Pewani kukhudzana mwachindunji ndi kapu ya sensa ndi madzi aliwonse omwe ali mu botolo la calibration / yosungirako panthawiyi. Sungani mtunda pakati pa kapu ya sensor ndi siponji yonyowa kukhala ~ 2 cm.
v) dikirani kuti zowerengerazo zikhazikike (2 ~ 4 mphindi) kenako lembani 0x0220 = 2.
2-point calibration (100% ndi 0% saturation points)
(i) Ikani kafukufukuyo m'madzi odzaza mpweya, lembani 0x0220 = 1 mutatha kuwerenga kwa DO kukhazikika.
(ii) Pambuyo powerenga DO kukhala 100%, sunthani kafukufukuyo ku zero oxygen madzi (gwiritsani ntchito sodium sulfide yowonjezeredwa ku a
madzi sample).
(iii) Lembani 0x0220 = 2, pambuyo powerenga DO kukhazikika (~ osachepera 2 mins).
- (iv) Kuchulukitsa kwa wogwiritsa ntchito pa 0x0102 pakusintha kwa 1-point, 0x0104 kwa 2-point calibration.
2-point cal siyofunika pamapulogalamu ambiri, pokhapokha ngati ogwiritsa ntchito akufunika kuyeza kolondola kwambiri muzambiri za DO (<0.5 ppm). - Kukakamiza "0% calibration" popanda "100% calibration" sikuloledwa.
Malo salibration kwa kutentha
i) Wogwiritsa alembe 0x000A = kutentha kozungulira x100 (Ex: Ngati kutentha kozungulira = 32.15, ndiye kuti wosuta alembe 0x000A=3215).
ii) Kutentha kwa wogwiritsa ntchito pa 0x000A. Ngati ndizofanana ndi zomwe mwalowetsa, kuwerengera kwachitika. Ngati sichoncho, chonde yesaninso Gawo 1.
Modbus RTU Protocol
Mapangidwe amalamulo:
- Malamulo sayenera kutumizidwa posachedwa kuposa 50mS kuchokera pomaliza kuyankha komaliza.
- Ngati yankho loyembekezeka lochokera kwa kapolo silikuwoneka pa> 25mS, ponyani cholakwika cholumikizirana.
- Probe imatsatira muyezo wa Modbus pazigawo 0x03, 0x06, 0x10, 0x17
Kapangidwe ka seri Transmission:
- Mitundu ya data ndi yayikulu-endian pokhapokha zitadziwika mwanjira ina.
- Kutumiza kulikonse kwa RS485 kudzakhala ndi: kuyambika kumodzi, ma data 8, osafanana pang'ono, ndi maimidwe awiri;
- Chiwerengero cha Baud chosasinthika: 9600 (ena mwa ma probe angakhale ndi Baudrate ya 19200);
- Adilesi Yofikira Kapolo: 1
- Ma data 8 omwe amafalitsidwa pambuyo poyambira ndi ofunika kwambiri poyamba.
- Pang'ono Sequence
| Yambani pang'ono | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Imani pang'ono |
Nthawi
- Zosintha za Firmware ziyenera kuyendetsedwa mkati mwa masekondi a 5 kuyatsa kapena kubwezeretsanso kofewa Probe nsonga ya LED idzakhala yolimba buluu panthawiyi.
- Lamulo loyamba silingayendetsedwe kale kuposa masekondi 8 kuchokera pamagetsi kapena kubwezeretsanso mofewa
- Ngati palibe yankho loyembekezeredwa kuchokera ku nthawi yolamula yoperekedwa imachitika pambuyo pa 200ms
Ndondomeko ya Modbus RTU:
| Register # | R/W | Tsatanetsatane | Mtundu | Zolemba |
| 0x0003 pa | R | LDO (mg/L) x100 | Uint16 | |
| 0x0006 pa | R | Kuchuluka% x100 | Uint16 | |
| 0x0008 pa | R/W | Mchere (ppt) x100 | Uint16 | |
| 0x0009 pa | R | Kupanikizika (kPa) x100 | Uint16 | |
| x000A | R | Kutentha (°C) x100 | Uint16 | |
| 0x000f ku | R | Mtengo wa Baud | Uint16 | Note 1 |
| 0x0010 pa | R | Adilesi ya Kapolo | Uint16 | |
| 0x0011 pa | R | Chidziwitso ID | Uint32 | |
| 0x0013 pa | R | Sensor Cap ID | Uint32 | |
| 0x0015 pa | R | Probe Firmware Version x100 | Uint16 | Note 2 |
| 0x0016 pa | R | Probe Firmware Minor Revision | Uint16 | Note 2 |
| 0x0063 pa | W | Mtengo wa Baud | Uint16 | Note 1 |
| 0x0064 pa | W | Adilesi ya Kapolo | Uint16 | |
| 0x0100 pa | R | LDO (mg/L) | Kuyandama | |
| 0x0102 pa | R | Kuchulukitsa % | Kuyandama | |
| 0x0108 pa | R | Pressure (kPa) | Kuyandama | |
| 0x010A | R | Kutentha (°C) | Kuyandama | |
| Zamgululi | R/W | Masiku Ano Probe Datetime | 6 pa | Note 3 |
| 0x010f ku | R | Zolakwika pang'ono | Uint16 | Note 4 |
| 0x0117 pa | R | Mchere (ppt) | Kuyandama | |
| 0x0132 pa | R/W | Kutentha Kutsika | Kuyandama | |
| 0x0220 pa | R/W | Ma Calibration Bits | Uint16 | Note 5 |
| 0x02f pa | R | Nambala ya Membrane Cap Serial | Uint16 | |
| 0x0300 pa | W | Kuyambiranso kofewa | Uint16 | Note 6 |
Zindikirani:
- Chidziwitso 1: Mitengo yamtengo wapatali: 0= 300, 1= 2400, 2= 2400, 3= 4800, 4= 9600, 5= 19200, 6=38400, 7= 115200.
- Chidziwitso 2: Mtundu wa Firmware ndi adilesi 0x0015 yogawidwa ndi 100, kenako decimal ndiye adilesi 0x0016. Eksample: ngati 0x0015 = 908 ndi 0x0016 = 29, ndiye mtundu wa firmware ndi v9.08.29.
- Chidziwitso 3: Probe ilibe RTC, ngati kafukufukuyo sanaperekedwe mphamvu zopitilira kapena akonzedwanso zikhalidwe zonse zidzabwerera ku 0.
Datetime byte ndi chaka, mwezi, tsiku, tsiku, ola, mphindi, sekondi. Zofunikira kwambiri mpaka zochepa.
Example: iftheuserwrites0x010C=0x010203040506,thetheDatetime will be set to February 3rd, 2001 4:05:06 am. - Zindikirani 4: Bits amawerengedwa kuti ndi ochepa kwambiri kwa ambiri, kuyambira pa 1:
- Bit 1 = Cholakwika Choyesa Kuyesa.
- Bit 3 = Probe Kutentha kwakutali, kupitirira 120 °C.
- Pang'ono 4 = Kuyikira kwambiri: kuchepera 0 mg/L, kupitirira 50 mg/L. o Bit 5 = Vuto la Probe Pressure Sensor.
- Bit 6 = Pressure Sensor yachoka patali: osachepera 10 kPa, pazipita 500 kPa.
Probe idzagwiritsa ntchito kuthamanga kosasintha = 101.3 kPa. - Bit 7 = Kulakwitsa kwa Pressure Sensor Communication, Probe idzagwiritsa ntchito kukakamiza kosasintha = 101.3 kPa.
Chidziwitso 5:Lembani (0x0220) 1 Thamangani 100% calibration. 2 Thamangani 0% calibration. 8 Bwezeretsani 100% kuwongolera. 16 Bwezeretsani 0% kuwongolera. 32 Bwezeraninso kusintha kwa kutentha.
- Note 6: Ngati 1 yalembedwa ku adilesi iyi kuyambiranso kofewa kumachitika, zowerengera zonse / zolembedwa sizimanyalanyazidwa.
Chidziwitso 7: ngati kafukufukuyo ali ndi kachipangizo kameneka kameneka ndi adiresi yowerengedwa.
Chidziwitso 8: Makhalidwewa ndi zotsatira za 2 point calibration, pamene adilesi ya 0x0003 ndi 0x0006 ikupereka zotsatira za 1 point calibration.
Exampndi Transmissions
CMD: Werengani Probe Data
Hex Yaiwisi: 01 03 0003 0018 B5C0
| Adilesi | Lamulo | Adilesi Yoyambira | # ya Registers | Mtengo CRC |
| 0x01 pa | 0x03 pa | 0x0003 pa | 0x0018 pa | 0xB5C0 |
| 1 | Werengani | 3 | 0x18 pa |
Example 1 yankho lochokera ku probe:
Hex Yaiwisi: 01 03 30 031B 0206 0000 2726 0208 0BB8 27AA 0AAA 0000 0000 0000 0BB8 0005 0001 0001 0410 0457 0000 038 FAD0052
Example 2 yankho lochokera ku probe:
Hex Yaiwisi: 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
| Kukhazikika (mg/L) | Kuchulukitsa % | Mchere (ppt) | Pressure (kPa) | Kutentha (°C) | Kuyikirapo 2pt (mg/L) | Kuchulukitsa % 2pt |
| 0x0313 pa | 0x26F3 | 0x0000 pa | 0x27AC pa | 0x0AC8 | 0x031A | 0x2748 pa |
| 7.87 mg/L | 99.71% | 0 ppt | 101.56 kpa | 27.60 °C | 7.94 mg/L | 100.56% |
CMD: Thamangani 100% Calibration
Hex Yaiwisi: 01 10 0220 0001 02 0001 4330
| Adilesi | Lamulo | Adilesi Yoyambira | # ya Registers | # ya Bytes | Mtengo | Mtengo CRC |
| 0x01 pa | 0x10 pa | 0x0220 pa | 0x0001 pa | 0x02 pa | 0x0001 pa | 0x4330 pa |
| 1 | Lembani Multi | 544 | 1 | 2 | Thamangani 100% Cal |
Example 1 yankho lochokera ku probe:
Hex Yaiwisi: 01 10 0220 0001 01BB Kupambana!
CMD: Thamangani 0% Calibration
Hex Yaiwisi: 01 10 0220 0001 02 0002 0331
| Adilesi | Lamulo | Adilesi Yoyambira | # ya Registers | # ya Bytes | Mtengo | Mtengo CRC |
| 0x01 pa | 0x10 pa | 0x0220 pa | 0x0001 pa | 0x02 pa | 0x0002 pa | 0x0331 pa |
| 1 | Lembani Multi | 544 | 1 | 2 | Thamangani 0% Cal |
Example 1 yankho lochokera ku probe:
Hex Yaiwisi: 01 10 0220 0001 01BB Kupambana!
CMD: Kusintha Salinity = 45.00 ppt, Pressure =101.00 kPa, ndi Kutentha = 27.00 °C
Hex Yaiwisi: 01 10 0008 0003 06 1194 2774 0A8C 185D
| Adilesi | Lamulo | Adilesi Yoyambira | # ya Registers | # ya Bytes | Mtengo | Mtengo CRC |
| 0x01 pa | 0x10 pa | 0x0008 pa | 0x0003 pa | 0x06 pa | 0x1194 2774 0A8C | 0x185d pa |
| 1 | Lembani Multi | 719 | 1 | 2 | 45, 101, 27 |
Example 1 yankho lochokera ku probe:
Hex Yaiwisi: 01 10 0008 0003 01CA Kupambana!
| Adilesi | Lamulo | Adilesi Yoyambira | # ya Registers | # ya Bytes | Mtengo | Mtengo CRC |
| 0x01 pa | 0x10 pa | 0x02f pa | 0x0001 pa | 0x02 pa | 0x0457 pa | 0xd751 pa |
| 1 | Lembani Multi | 719 | 1 | 2 | 1111 |
Example 1 yankho lochokera ku probe:
Hex Yaiwisi: 01 10 02CF 0001 304E Kupambana!
Makulidwe
KUKOKERA KWA MBRTU-PODO (Chigawo: mm)
Kusamalira
Kukonzekera kwa probe kumaphatikizapo kuyeretsa kapu ya sensa, komanso kukonza bwino, kukonzekera, ndi kusungirako makina oyesera.
Pamene kafukufukuyo sakugwiritsidwa ntchito, tikulimbikitsidwa kwambiri kusunga kafukufukuyo ndi kapu yake ya sensa yomwe imayikidwa ndi botolo la calibration / yosungirako lomwe linaphatikizidwa muzolemba zoyambirira, zokongoletsedwa pa probe. Beaker yamadzi oyera kapena makina onyezimira / achinyezi amathanso kukhala okwanira ngati botolo lowongolera / kusungirako silikupezeka. Siponji yomwe ili mkati mwa botolo la calibration/chosungira iyenera kukhala yonyowa kuti ipeze zotsatira zabwino.
Pewani kapu ya sensa yokhudza zosungunulira za organic, kukanda, ndi kugundana mwankhanza kuti mulimbikitse ndikutalikitsa moyo wogwira ntchito wa kapu ya sensor. Chisamaliro chapadera chiyenera kutengedwa kuyeretsa chophimba cha kapu, kuviika kafukufuku ndi kapu m'madzi abwino, ndiyeno kupukuta pamwamba ndi minofu. Osapukuta ❖ kuyanika pamwamba.
Bwezerani kapu ya sensor, ngati chophimba cha kapu chazimiririka kapena kuchotsedwa. OSAKHUDZA zenera lowoneka bwino pansonga ya kafukufuku mutamasula chipewa chakale. Ngati zonyansa kapena zotsalira zilipo pawindo kapena mkati mwa kapu, zichotseni mosamala ndi ufa wopukuta wopanda ufa. Kenako jambulaninso kapu yatsopano ya sensor pa probe.
Zolemba / Zothandizira
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Daviteq MBRTU-PODO Optical Dissolved Oxygen Sensor yokhala ndi Modbus output [pdf] Buku Logwiritsa Ntchito MBRTU-PODO Optical Dissolved Oxygen Sensor yokhala ndi Modbus output, MBRTU-PODO, Optical Dissolved Oxygen Sensor yokhala ndi Modbus output, Sensor yokhala ndi Modbus output, Modbus output |
