Daviteq MBRTU-PODO Optical Dissolved Oxygen Sensor e nang le tlhahiso ea Modbus
Selelekela
Optical Dissolved Oxygen Sensor e nang le Modbus e hlahisoang ke MBRTU-PODO
- Theknoloji e nepahetseng le e tlaase ea tlhokomelo ea optical e qhibilihisitsoeng (luminescent quenching).
- RS485 / Modbus pontšo e hlahisoang.
- Maemo a indasteri, matlo a matla a 'mele a nang le 3⁄4” NPT ka pele le ka morao.
- Flexible cable outlet: cable e tsitsitseng (0001) le cable e ka khonang (0002).
- Sensor e kopantsoeng (probe-mounted) e sa keneleng metsi.
- Mocheso o itekanetseng le matšeliso a khatello.
- Matšeliso a ikemetseng a letsoai a nang le mosebelisi-input conductivity/bohlokoa ba letsoai la letsoai.
- Sensor cap e nchafalitsoeng e nang le calibration e kopaneng.
HO LEkanya Oksijene E HLALLENG METSING
Tlhaloso
| Range | ETSA Saturation %: 0 ho 500%. ETSA ho tsepamisa maikutlo : 0 ho 50 mg / L (ppm). Mocheso oa ho sebetsa: 0 ho 50°C. Mocheso oa polokelo: -20 ho isa ho 70°C. Khatello ea Atmospheric e sebetsang: 40 ho 115 kPa. Boholo ba Khatello ea Boipheliso: 1000 kPa. |
| Nako ea Karabelo | ETSA: T90 ~ 40s bakeng sa 100 ho 10%. Mocheso: T90 ~ 45s bakeng sa 5 - 45oC (w/ e tsosang). |
| Ho nepahala | ETSA: 0-100% <± 1%. 100-200% <± 2%. Mocheso: ± 0.2 °C. Khatello: ± 0.2 kPa. |
| Kenya (ke-na) /output/protocol | Kenyelletso: 4.5 - 36 V DC. Tšebeliso: karolelano ea 60 mA ho 5V. Sephetho: RS485 / Modbus kapa UART. |
| Tekanyetso |
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| ETSA Lintlha tsa Matšeliso | Mocheso: othomathike, sebaka se felletseng.
Letsoai: ka tsela e iketsang e nang le kenyo ea mosebelisi (0 ho isa ho 55 ppt). Khatello:
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| Qeto | Boemo bo tlase (<1 mg/L): ~ 1 ppb (0.001 mg/L). Bohareng ba mefuta (<10 mg/L): ~ 4-8 ppb (0.004-0.008 mg/L). Boemo bo phahameng (>10 mg/L): ~10 ppb (0.01 mg/L).* *Bophahamo bo phahameng, qeto e tlase. |
| Bophelo ba Sensor Cap e lebelletsoeng | Bophelo bo sebetsang ba ho fihlela lilemo tse 2 bo ka khoneha maemong a nepahetseng. |
| Ba bang | Ha e kenelle metsi: Boemo ba IP68 ka thapo e tsitsitseng. Setifikeiti: RoHs, CE, C-Tick (e ntse e sebetsa). Lisebelisoa: 'mele oa Ryton (PPS). Bolelele ba cable: 6 m (likhetho li teng). |
Litšoantšo tsa lihlahisoa
TŠEBELETSO EA OPTICAL HLAHLANG OXYGEN SENSOR MBRTU-PODO
MBRTU-PODO-H1 .PNG
Wiring
Ka kopo wiring joalo ka ha ho bonts'itsoe ka tlase:
| Mohala mmala | Tlhaloso |
| Khubedu | Matla (4.5 ~ 36 V DC) |
| Ntsho | GND |
| Botala | UART_RX (bakeng sa ntlafatso kapa khokahanyo ea PC) |
| Bosoeu | UART_TX (bakeng sa ho ntlafatsa kapa khokahanyo ea PC) |
| Bosehla | RS485A |
| Boputsoa | RS485B |
Tlhokomeliso: Lithapo tse peli tsa UART li ka khaoloa haeba e se ho ntlafatsa / ho etsa lipatlisiso.
Tekanyetso le Tekanyo
ETSA Tekanyo ka Likhetho
Seta ho lekanya bocha
a) Seta bocha 100% tekano.
Mosebelisi o ngola 0x0220 = 8
b) Seta bocha 0% tekano.
Mosebelisi o ngola 0x0220 = 16
c) Seta botjha tekanyetso ya mocheso.
Mosebelisi o ngola 0x0220 = 32
Tekanyetso ea lintlha tse 1
1-point calibration e bolela ho lekanya probe ntlheng ea 100% saturation, e ka fumanoang ka e 'ngoe ea mekhoa e latelang:
a) Metsing a tletseng moea (mokhoa o tloaelehileng).
Metsi a tletseng moea (mohlalaample ea 500 mL) e ka fumanoa ka ho tsoela pele (1) ho hloekisa metsi ka moea ka ho sebelisa bubbler ea moea kapa mofuta o itseng oa aeration hoo e ka bang metsotso e 3 ~ 5, kapa (2) ho susumetsa metsi ka matla a khoheli tlas'a 800 rpm bakeng sa hora e le 'ngoe.
Kamora hore metsi a tletseng moea a se a lokile, qoelisa sekoaelo sa sensor le sensor ea mocheso ea mochini oa probe metsing a tletseng moea, 'me u lekanye probe ka mor'a hore 'malo o tsitsa (hangata metsotso e 1 ~ 3).
Mosebelisi o ngola 0x0220 = 1, ebe o emela metsotsoana e 30.
Haeba 'malo oa ho qetela oa 0x0102 o se ho 100 ± 0.5%, ka kopo sheba hore na botsitso ba tikoloho ea tlhahlobo ea hajoale kapa leka hape.
b) Moeeng o tletseng metsi (mokhoa o bonolo).
Ntle le moo, tekanyo ea 1-pt e ka etsoa habonolo ho sebelisoa moea o tletseng metsi, empa phoso ea 0 ~ 2% e ka bakoa ho latela ts'ebetso e fapaneng. Mekhoa e khothalletsoang e fanoa ka tlase:
i) qoelisa cap ea sensor le sensor ea mocheso ea probe metsing a hloekileng / a pompo 1 ~ 2 metsotso.
ii) tsoa probe 'me ka potlako qoelisa omisa metsi ka holim'a sensor cap, ka lisele.
iii) kenya pheletso ea sensor ka botlolo ea calibration / polokelo e nang le seponche se metsi kahare. Qoba ho ikopanya ka kotloloho le cap ea sensor ka metsi afe kapa afe a ka har'a botlolo ea calibration / polokelo nakong ea mohato ona oa ho lekanya. Boloka sebaka se pakeng tsa sekoahelo sa sensor le seponche se metsi se le ~ 2 cm.
v) emela hore lipalo li tsitse (2 ~ 4 metsotso) ebe u ngola 0x0220 = 2.
Tekanyo ea lintlha tse 2 (lintlha tse 100% le 0%)
(i) Kenya probe metsing a tletseng moea, ngola 0x0220 = 1 ka mor'a hore 'malo oa DO o tsitse.
(ii) Kamora 'malo oa DO e fetoha 100%, isa probe ho metsi a oksijene ea zero (sebelisa sodium sulfide e kenyellelitsoeng ho feta ho
metsi sample).
(iii) Ngola 0x0220 = 2, ka mor'a hore ho bala DO ho tsitsa (~ bonyane 2 mins).
- (iv) Phatlalatso ea 'malo oa mosebelisi ho 0x0102 bakeng sa ho lekanya ntlha e le 1, 0x0104 bakeng sa tekanyo ea lintlha tse 2.
2-point cal ha e hlokehe bakeng sa lits'ebetso tse ngata, ntle le haeba basebelisi ba hloka tekanyo e nepahetseng haholo maemong a tlase a DO (<0.5 ppm). - Ho phethahatsa "0% calibration" ntle le "100% calibration" ha e lumelloe.
Tekanyo ea ntlha bakeng sa mocheso
i) Mosebelisi a ngole 0x000A = mocheso oa tikoloho x100 (Mohlala: Haeba mocheso oa tikoloho = 32.15, joale mosebelisi o ngola 0x000A=3215).
ii) Thempereichara ea ho bala mosebelisi ho 0x000A. Haeba e lekana le seo u se kentseng, calibration e etsoa. Haeba ho se joalo, ka kopo leka Mohato oa 1 hape.
Protocol ea Modbus RTU
Sebopeho sa taelo:
- Litaelo ha lia lokela ho romelloa kapele ho feta 50mS ho tloha ha karabo ea ho qetela e phethoa.
- Haeba karabelo e lebelletsoeng ho tsoa ho lekhoba e sa bonoe bakeng sa> 25mS, lahlela phoso ea puisano.
- Probe e latela maemo a Modbus bakeng sa mesebetsi 0x03, 0x06, 0x10, 0x17
Sebopeho sa phetisetso ea serial:
- Mefuta ea data e kholo-endian ntle le ha ho boletsoe ka tsela e 'ngoe.
- Phetiso e 'ngoe le e' ngoe ea RS485 e tla ba le: e le 'ngoe ea ho qala, 8 data bits, no parity bit , le li-stop bits tse peli;
- Sekhahla sa Baud sa kamehla: 9600 (tse ling tsa li-probe li ka ba le Baudrate ea 19200);
- Aterese ea Lekhoba la kamehla: 1
- Lintlha tse 8 tsa data tse fetisoang kamora ho qala hanyane ke tsona tse bohlokoa haholo pele.
- Bit Sequence
| Qala hanyane | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Emisa hanyane |
Nako
- Lintlafatso tsa Firmware li tlameha ho tsamaisoa nakong ea metsotsoana e 5 ea matla kapa ho seta bocha Probe Tip LED e tla ba boputsoa bo tiileng nakong ena.
- Taelo ea pele e ke ke ea tsamaisoa pejana ho metsotsoana e 8 ho tloha ha o sebelisa kapa o seta bocha
- Haeba ho se na karabelo e lebelletsoeng ho tsoa ho nako ea taelo e fanoeng e etsahala kamora 200ms
Protocol ea Modbus RTU:
| Ngolisa # | R/W | Lintlha | Mofuta | Lintlha |
| 0x0003 | R | LDO (mg/L) x100 | Uint16 | |
| 0x0006 | R | Saturation% x100 | Uint16 | |
| 0x0008 | R/W | Letsoai (ppt) x100 | Uint16 | |
| 0x0009 | R | Khatello (kPa) x100 | Uint16 | |
| x000A | R | Mocheso (°C) x100 | Uint16 | |
| 0x000F | R | Baud Rate | Uint16 | Hlokomela 1 |
| 0x0010 | R | Aterese ea Lekhoba | Uint16 | |
| 0x0011 | R | Probe ID | Uint32 | |
| 0x0013 | R | Sensor Cap ID | Uint32 | |
| 0x0015 | R | Probe Firmware Version x100 | Uint16 | Hlokomela 2 |
| 0x0016 | R | Phetolelo e nyane ea Firmware ea Probe | Uint16 | Hlokomela 2 |
| 0x0063 | W | Baud Rate | Uint16 | Hlokomela 1 |
| 0x0064 | W | Aterese ea Lekhoba | Uint16 | |
| 0x0100 | R | LDO (mg/L) | Phallana | |
| 0x0102 | R | Saturation % | Phallana | |
| 0x0108 | R | Khatello (kPa) | Phallana | |
| 0x010A | R | Mocheso (°C) | Phallana | |
| 0x010C | R/W | Nako ea hona joale ea Probe | 6 li-byte | Hlokomela 3 |
| 0x010F | R | Likotoana tsa phoso | Uint16 | Hlokomela 4 |
| 0x0117 | R | Letsoai (ppt) | Phallana | |
| 0x0132 | R/W | Mocheso Offset | Phallana | |
| 0x0220 | R/W | Li-Bits tsa Calibration | Uint16 | Hlokomela 5 |
| 0x02CF | R | Nomoro ea serial ea Membrane Cap | Uint16 | |
| 0x0300 | W | Ho qala bocha ho bonolo | Uint16 | Hlokomela 6 |
Hlokomela:
- Tlhokomeliso 1: Litekanyetso tsa sekhahla sa Baud: 0= 300, 1= 2400, 2= 2400, 3= 4800, 4= 9600, 5= 19200, 6=38400, 7= 115200.
- Tlhokomeliso 2: Firmware version ke aterese 0x0015 e arotsoe ke 100, ebe decimal ebe aterese 0x0016. Example: haeba 0x0015 = 908 le 0x0016 = 29, joale firmware version ke v9.08.29.
- Tlhokomeliso 3: Probe ha e na RTC, haeba probe e sa fuoa matla a tsoelang pele kapa e setiloe bocha, boleng bohle bo tla beoa bocha ho 0.
Li-byte tsa nako ke selemo, khoeli, letsatsi, letsatsi, hora, motsotso, motsotsoana. E bohlokoa haholo ho bonyane.
Example: ha mosebedisi a ngola0x010C=0x010203040506,theDatetime e tla behoa hore e be February 3rd, 2001 4:05:06 am. - Tlhokomeliso ea 4: Li-Bits li nkoa e se tsa bohlokoa ho ba bangata, ho qala ka 1:
- Bit 1 = Phoso ea Tekanyo ea Tekanyo.
- Bit 3 = Probe Temperature ha e fapane, boholo ba 120 °C.
- Bit 4 = Tekanyo e tsoa ho mefuta: bonyane 0 mg/L, boholo ba 50 mg/L. o Bit 5 = Phoso ea Probe Pressure Sensor.
- Bit 6 = Sensor ea Khatello e tsoa sebakeng: bonyane 10 kPa, boholo ba 500 kPa.
Probe e tla sebelisa khatello ea kamehla = 101.3 kPa. - Bit 7 = Phoso ea Puisano ea Sensor ea Khatello, Probe e tla sebelisa khatello ea kamehla = 101.3 kPa.
Tlhokomeliso 5:Ngola (0x0220) 1 Matha 100% calibration. 2 Matha 0% calibration. 8 Seta bocha 100% calibration. 16 Seta bocha 0% calibration. 32 Seta hape tekano ea mocheso.
- Note 6: Haeba 1 e ngoletsoe atereseng ena ho qalisoa bocha ho etsoa, tse ling kaofela tse baloang / ho ngola li hlokomolohuoa.
Tlhokomeliso 7: haeba probe e na le sensor e hahiloeng ka har'a khatello ena ke aterese e baloang feela.
Tlhokomeliso 8: Maemo ana ke liphetho tsa ho lekanya lintlha tse 2, ha aterese ea 0x0003 le 0x0006 e hlahisa liphetho tsa tlhahlobo ea ntlha e le 'ngoe.
Example Transmissions
CMD: Bala Boitsebiso ba Probe
Raw Hex: 01 03 0003 0018 B5C0
| Aterese | Taelo | Qala Aterese | # ea Lirekoto | CRC |
| 0x01 | 0x03 | 0x0003 | 0x0018 | 0xB5C0 |
| 1 | Bala | 3 | 0x18 |
Example 1 karabo e tsoang ho probe:
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 0001 FAD031
Example 2 karabo e tsoang ho probe:
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
| Tekanyo (mg/L) | Saturation % | Letsoai (ppt) | Khatello (kPa) | Mocheso (°C) | Concentration 2pt (mg/L) | Saturation % 2pt |
| 0x0313 | 0x26F3 | 0x0000 | 0x27AC | 0x0AC8 | 0x031A | 0x2748 |
| 7.87 mg/L | 99.71% | 0 ppt | 101.56 kPa | 27.60 °C | 7.94 mg/L | 100.56% |
CMD: Matha 100% Calibration
Raw Hex: 01 10 0220 0001 02 0001 4330
| Aterese | Taelo | Qala Aterese | # ea Lirekoto | # ea li-Byte | Boleng | CRC |
| 0x01 | 0x10 | 0x0220 | 0x0001 | 0x02 | 0x0001 | 0x4330 |
| 1 | Ngola Multi | 544 | 1 | 2 | Matha 100% Cal |
Example 1 karabo e tsoang ho probe:
Raw Hex: 01 10 0220 0001 01BB Katleho!
CMD: Matha 0% Calibration
Raw Hex: 01 10 0220 0001 02 0002 0331
| Aterese | Taelo | Qala Aterese | # ea Lirekoto | # ea li-Byte | Boleng | CRC |
| 0x01 | 0x10 | 0x0220 | 0x0001 | 0x02 | 0x0002 | 0x0331 |
| 1 | Ngola Multi | 544 | 1 | 2 | Matha 0% Cal |
Example 1 karabo e tsoang ho probe:
Raw Hex: 01 10 0220 0001 01BB Katleho!
CMD: Nchafatsa Letsoai = 45.00 ppt, Khatello =101.00 kPa, le Mocheso = 27.00 °C
Raw Hex: 01 10 0008 0003 06 1194 2774 0A8C 185D
| Aterese | Taelo | Qala Aterese | # ea Lirekoto | # ea li-Byte | Boleng | CRC |
| 0x01 | 0x10 | 0x0008 | 0x0003 | 0x06 | 0x1194 2774 0A8C | 0x185D |
| 1 | Ngola Multi | 719 | 1 | 2 | 45, 101, 27 |
Example 1 karabo e tsoang ho probe:
Raw Hex: 01 10 0008 0003 01CA Katleho!
| Aterese | Taelo | Qala Aterese | # ea Lirekoto | # ea li-Byte | Boleng | CRC |
| 0x01 | 0x10 | 0x02CF | 0x0001 | 0x02 | 0x0457 | 0xD751 |
| 1 | Ngola Multi | 719 | 1 | 2 | 1111 |
Example 1 karabo e tsoang ho probe:
Raw Hex: 01 10 02CF 0001 304E Katleho!
Litekanyo
TŠEBELETSO EA MBRTU-PODO (Yuniti: mm)
Tlhokomelo
Tlhokomelo ea probe e kenyelletsa ho hloekisa cap ea sensor, hammoho le boemo bo nepahetseng, boitokiso le polokelo ea sistimi ea liteko.
Ha probe e sa sebelisoe, ho khothaletsoa haholo ho boloka probe e kentsoe sensor cap e kentsoeng le botlolo ea calibration/storage e neng e kenyellelitsoe ka har'a sephutheloana sa mantlha, e kentsoeng holim'a probe. Beake ea metsi a hloekileng kapa mochine o nang le mongobo / o mongobo o ka lekane haeba botlolo ea ho lokisa / polokelo e le sieo. Seponche se ka har'a botlolo ea calibration/storage se lokela ho bolokoa se le mongobo bakeng sa litholoana tse ntle.
Qoba sensor cap ho ama organic solvent, scratching, le likhohlano tse mpe ho matlafatsa le ho lelefatsa bophelo ba ho sebetsa ba cap ea sensor. Tlhokomelo e khethehileng e lokela ho nkoa ho hloekisa sekoahelo sa cap, ho qoelisa probe le cap ka metsing a hloekileng, ebe o tlanya holim'a metsi ka lesela. U se ke ua hlakola sebaka sa ho roala.
Kenya sebaka sa cap ea sensor, haeba seaparo sa cap se fifetse kapa se tlositsoe. O SE KE oa ama fensetere e hlakileng ntlheng ea probe ka mor'a hore u lokolle kepisi ea khale. Haeba ho na le litšila kapa masala a teng fensetereng kapa ka har'a sekoahelo, li tlose ka hloko ka phofo ea mahala ea ho hlakola. Ebe u shebisisa cap e ncha ea sensor holim'a probe.
Litokomane / Lisebelisoa
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Daviteq MBRTU-PODO Optical Dissolved Oxygen Sensor e nang le tlhahiso ea Modbus [pdf] Bukana ea Mosebelisi MBRTU-PODO Optical Dissolved Oxygen Sensor e nang le Modbus output, MBRTU-PODO, Optical Dissolved Oxygen Sensor e nang le Modbus output, Sensor e nang le Modbus output, Modbus output. |
