Changes for page Water Quality Sensors
Last modified by Karry Zhuang on 2025/07/18 16:37
From version 60.5
edited by Karry Zhuang
on 2025/07/15 15:34
on 2025/07/15 15:34
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... ... @@ -1,1 +1,1 @@ 1 -XWiki. karry1 +XWiki.Xiaoling - Content
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... ... @@ -11,26 +11,17 @@ 11 11 12 12 13 13 * **Power Input**: DC7~~30 14 - 15 15 * **Power Consumption** : < 0.5W 16 - 17 17 * **Interface**: RS485. 9600 Baud Rate 18 - 19 19 * **EC Range & Resolution:** 20 20 ** **ECK0.01** : 0.02 ~~ 20 μS/cm 21 21 ** **ECK0.1**: 0.2 ~~ 200.0 μS/cm 22 -** **ECK1.0** : 0 ~~ 2,000 μS/cm Resolution: 1 μS/cm 23 -** **ECK10.0** : 10 ~~ 20,000 μS/cm Resolution: 10 μS/cm 24 -** **ECK200.0** : 1 ~~ 200,000 μS/cm Resolution: 1 μS/cm 25 - 19 +** **ECK1.0** : 2 ~~ 2,000 μS/cm Resolution: 1 μS/cm 20 +** **ECK10.0** : 20 ~~ 20,000 μS/cm Resolution: 10 μS/cm 26 26 * **EC Accuracy**: ±1% FS 22 +* **Temperature Measure Range**: -20 ~~ 60 °C 27 27 * **Temperature Accuracy: **±0.5 °C 28 -* **Working environment:** 29 -** Ambient Temperature: 0–60°C 30 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 31 -** ECK200.0 Continuous monitoring of cross-section water quality, aquaculture, sewage treatment, environmental protection, pharmaceuticals, food, tap water, seawater and other high conductivity environments 32 32 * **IP Rated**: IP68 33 - 34 34 * **Max Pressure**: 0.6MPa 35 35 36 36 == 1.2 Application for Different Range == ... ... @@ -42,17 +42,15 @@ 42 42 == 1.3 Wiring == 43 43 44 44 45 -[[image:image-2024 1129142314-1.png||height="352" width="1108"]]36 +[[image:image-20240720172533-1.png||height="347" width="569"]] 46 46 47 47 48 48 == 1.4 Mechinical Drawing == 49 49 50 - ECK1 and ECK10 ECK200 51 51 42 +[[image:image-20240714174241-2.png]] 52 52 53 -[[image:image-20240714174241-2.png]] [[image:1752564223905-283.png||height="399" width="160"]] 54 54 55 - 56 56 == 1.5 Installation == 57 57 58 58 ... ... @@ -95,11 +95,8 @@ 95 95 96 96 97 97 * The equipment itself generally does not require daily maintenance. When an obvious fault occurs, please do not open it and repair it yourself, and contact us as soon as possible. 98 - 99 99 * If the electrode is not used for a long time, it can generally be stored in a dry place, but it must be placed (stored) in distilled water for several hours before use to activate the electrode. Electrodes that are frequently used can be placed (stored) in distilled water. 100 - 101 101 * Cleaning of conductivity electrodes: Organic stains on the electrode can be cleaned with warm water containing detergent, or with alcohol. Calcium and magnesium precipitates are best cleaned with 10% citric acid. The electrode plate or pole can only be cleaned by chemical methods or by shaking in water. Wiping the electrode plate will damage the coating (platinum black) on the electrode surface. 102 - 103 103 * The equipment should be calibrated before each use. It is recommended to calibrate it every 3 months for long-term use. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). 104 104 105 105 == 1.7 RS485 Commands == ... ... @@ -210,8 +210,7 @@ 210 210 211 211 This device uses one-point calibration, and you need to prepare a known E standard solution. When mileage K=1, 1~~2000 uses 1413μS/cm standard solution, and when mileage K=10, 10~~20000 uses 12.88mS/cm standard solution. 212 212 213 -(% style="color:blue" %)**The calibration steps are as follows:** 214 - 199 +**The calibration steps are as follows:** 215 215 (1) Place the electrode in distilled water and clean it. When mileage 1~~2000 uses 1413μS/cm standard solution, enter the following calibration command after the data is stable. 216 216 217 217 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) ... ... @@ -256,29 +256,16 @@ 256 256 257 257 258 258 * **Power Input**: DC7~~30 259 - 260 260 * **Power Consumption** : < 0.5W 261 - 262 262 * **Interface**: RS485. 9600 Baud Rate 263 - 264 264 * **pH measurement range**: 0~~14.00pH; resolution: 0.01pH 265 - 266 -* **pH measurement error**: ±0.15pH 267 - 268 -* **Repeatability error**: ±0.02pH 269 - 270 -* **Temperature measurement range**:0~~60°C; resolution: 0.1°C (set temperature for manual temperature compensation, default 25°C) 271 - 272 -* **Temperature measurement error**: ±0.5°C 273 - 274 -* **Working environment:** 275 -** Ambient Temperature: 0–60°C 276 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 277 - 247 +* **pH measurement error**:±0.15pH 248 +* **Repeatability error**:±0.02pH 249 +* **Temperature measurement range**:0~~60℃; resolution: 0.1℃ (set temperature for manual temperature compensation, default 25℃) 250 +* **Temperature measurement error**: ±0.5℃ 251 +* **Temperature Measure Range**: -20 ~~ 60 °C 278 278 * **Temperature Accuracy: **±0.5 °C 279 - 280 280 * **IP Rated**: IP68 281 - 282 282 * **Max Pressure**: 0.6MPa 283 283 284 284 == 2.2 Wiring == ... ... @@ -287,7 +287,7 @@ 287 287 [[image:image-20240720172548-2.png||height="348" width="571"]] 288 288 289 289 290 -== 2.3 Mechinical Drawing == 262 +== (% style="color:inherit; font-family:inherit" %)2.3 (% style="color:inherit; font-family:inherit; font-size:26px" %)Mechinical Drawing(%%) == 291 291 292 292 293 293 [[image:image-20240714174241-2.png]] ... ... @@ -325,23 +325,17 @@ 325 325 326 326 327 327 * The equipment itself generally does not require daily maintenance. When an obvious fault occurs, please do not open it and repair it yourself. Contact us as soon as possible! 328 - 329 329 * There is an appropriate amount of soaking solution in the protective bottle at the front end of the electrode. The electrode head is soaked in it to keep the glass bulb and the liquid junction activated. When measuring, loosen the bottle cap, pull out the electrode, and rinse it with pure water before use. 330 - 331 331 * Preparation of electrode soaking solution: Take a packet of PH4.00 buffer, dissolve it in 250 ml of pure water, and soak it in 3M potassium chloride solution. The preparation is as follows: Take 25 grams of analytical pure potassium chloride and dissolve it in 100 ml of pure water. 332 - 333 333 * The glass bulb at the front end of the electrode cannot come into contact with hard objects. Any damage and scratches will make the electrode ineffective. 334 - 335 335 * Before measurement, the bubbles in the electrode glass bulb should be shaken off, otherwise it will affect the measurement. When measuring, the electrode should be stirred in the measured solution and then placed still to accelerate the response. 336 - 337 337 * The electrode should be cleaned with deionized water before and after measurement to ensure accuracy. 338 - 339 339 * After long-term use, the pH electrode will become passivated, which is characterized by a decrease in sensitivity gradient, slow response, and inaccurate readings. At this time, the bulb at the bottom of the electrode can be soaked in 0.1M dilute hydrochloric acid for 24 hours (0.1M dilute hydrochloric acid preparation: 9 ml of hydrochloric acid is diluted to 1000 ml with distilled water), and then soaked in 3.3M potassium chloride solution for 24 hours. If the pH electrode is seriously passivated and soaking in 0.1M hydrochloric acid has no effect, the pH electrode bulb can be soaked in 4% HF (hydrofluoric acid) for 3-5 seconds, washed with pure water, and then soaked in 3.3M potassium chloride solution for 24 hours to restore its performance. 340 - 341 341 * Glass bulb contamination or liquid junction blockage can also cause electrode passivation. At this time, it should be cleaned with an appropriate solution according to the nature of the contaminant. 307 +* ((( 308 +The equipment should be calibrated before each use. For long-term use, it is recommended to calibrate once every 3 months. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). After aging, the electrodes should be replaced in time. 309 +))) 342 342 343 -* The equipment should be calibrated before each use. For long-term use, it is recommended to calibrate once every 3 months. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). After aging, the electrodes should be replaced in time. 344 - 345 345 == 2.6 RS485 Commands == 346 346 347 347 ... ... @@ -412,7 +412,7 @@ 412 412 413 413 If the sensor receives correctly, the following data will be returned, slave → host 414 414 415 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; 381 +(% border="1" cellspacing="3" style="background-color:#f2f2f2;width:518px" %) 416 416 |=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 417 417 |(% style="width:99px" %)0X10|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X02|(% style="width:72px" %)0XAE|(% style="width:56px" %)0XC4|(% style="width:56px" %)0X9B 418 418 ... ... @@ -427,13 +427,11 @@ 427 427 428 428 429 429 This device uses three-point calibration, and three known pH standard solutions need to be prepared. 430 - 431 -(% style="color:blue" %)**The calibration steps are as follows:** 432 - 396 +**The calibration steps are as follows:** 433 433 (1) Place the electrode in distilled water to clean it, and then place it in 9.18 standard buffer solution. After the data stabilizes, enter the following calibration command, and the 9.18 calibration is completed. 434 434 435 435 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 436 -|=(% style="width: 6 1px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high400 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 437 437 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 438 438 0X00 439 439 )))|(% style="width:68px" %)0X20|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X8A|(% style="width:55px" %)((( ... ... @@ -443,7 +443,7 @@ 443 443 (2) Wash the electrode in distilled water and place it in 6.86 standard buffer. After the data stabilizes, enter the following calibration command. The 6.86 calibration is completed. 444 444 445 445 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 446 -|=(% style="width: 6 1px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high410 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 447 447 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 448 448 0X00 449 449 )))|(% style="width:68px" %)0X21|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0XDB|(% style="width:55px" %)((( ... ... @@ -453,7 +453,7 @@ 453 453 (3) Wash the electrode in distilled water and place it in 4.01 standard buffer. After the data stabilizes, enter the following calibration command, and the 4.00 calibration is completed. 454 454 455 455 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 456 -|=(% style="width: 6 1px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high420 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 457 457 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 458 458 0X00 459 459 )))|(% style="width:68px" %)0X22|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X2B|(% style="width:55px" %)((( ... ... @@ -467,53 +467,38 @@ 467 467 468 468 == 3.1 Specification == 469 469 470 - 471 471 * **Power Input**: DC7~~30 472 - 473 473 * **Measuring range**:** **-1999~~1999mV 474 - 475 -* **Resolution**: 1mV 476 - 436 +**Resolution**: 1mV 477 477 * **Interface**: RS485. 9600 Baud Rate 478 - 479 479 * **Measurement error**: ±3mV 480 - 481 481 * **Stability**: ≤2mv/24 hours 482 - 483 -* **Working environment:** 484 -** Ambient Temperature: 0–60°C 485 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 486 - 440 +* **Equipment working conditions**: Ambient temperature: 0-60℃ Relative humidity: <85%RH 487 487 * **IP Rated**: IP68 488 - 489 489 * **Max Pressure**: 0.6MPa 490 490 491 491 == 3.2 Wiring == 492 492 493 - 494 494 [[image:image-20240720172620-3.png||height="378" width="620"]] 495 495 496 496 497 497 == 3.3 Mechinical Drawing == 498 498 499 - 500 500 [[image:image-20240714174241-2.png]] 501 501 502 - 503 503 == 3.4 Installation Notice == 504 504 505 - 506 506 Do not power on while connect the cables. Double check the wiring before power on. 507 507 508 - **Installation Photo as reference:**457 +Installation Photo as reference: 509 509 510 - (% style="color:blue" %)** Submerged installation:**459 +**~ Submerged installation:** 511 511 512 512 The lead wire of the equipment passes through the waterproof pipe, and the 3/4 thread on the top of the equipment is connected to the 3/4 thread of the waterproof pipe with raw tape. Ensure that the top of the equipment and the equipment wire are not flooded. 513 513 514 514 [[image:image-20240718191348-6.png]] 515 515 516 - (% style="color:blue" %)** Pipeline installation:**465 +**~ Pipeline installation:** 517 517 518 518 Connect the equipment to the pipeline through the 3/4 thread. 519 519 ... ... @@ -541,7 +541,6 @@ 541 541 542 542 (9) The equipment should be calibrated before each use. It is recommended to calibrate once every 3 months for long-term use. The calibration frequency should be adjusted appropriately according to different application conditions (degree of dirt in the application, deposition of chemical substances, etc.). After aging, the electrodes should be replaced in time. 543 543 544 - 545 545 == 3.6 RS485 Commands == 546 546 547 547 ... ... @@ -548,43 +548,38 @@ 548 548 RS485 signaldefault address 0x13 549 549 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 550 550 551 - 552 552 === 3.6.1 Query address === 553 553 501 +send 554 554 555 -**send:** 556 - 557 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 558 -|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)CRC16 high 503 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 504 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 559 559 |(% style="width:99px" %)0XFE |(% style="width:112px" %)0X03|(% style="width:135px" %)0X00|(% style="width:126px" %)0X50|(% style="width:85px" %)0X00|(% style="width:1px" %)0X00|(% style="width:1px" %)0X51|(% style="width:1px" %)0XD4 560 560 561 - **response:**507 +response 562 562 563 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:51 8px" %)564 -|=(% style="width: 103.6px;background-color:#4F81BD;color:white" %)New address|=(% style="width:103.6px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high509 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %) 510 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)New address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 106px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 93px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 104px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 565 565 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 566 566 567 567 === 3.6.2 Change address === 568 568 569 - 570 570 For example: Change the address of the sensor with address 1 to 2, master → slave 571 571 572 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)573 -|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Function code|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address high|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width:64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)CRC16 high517 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 518 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 574 574 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X50|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X08|(% style="width:1px" %)0X1A 575 575 576 576 If the sensor receives correctly, the data is returned along the original path. 522 +Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query. 577 577 578 -(% style="color:red" %)**Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query.** 579 579 580 - 581 581 === 3.6.3 Modify intercept === 582 582 527 +send 583 583 584 -**send:** 585 - 586 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 587 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 68px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register Length high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register Length low|=(% style="width: 68px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 68px;background-color:#4F81BD;color:white" %)CRC16 high 529 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 530 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 67px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 69px; background-color: rgb(79, 129, 189); color: white;" %)Register Length high|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Register Length low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 588 588 |(% style="width:99px" %)0X13|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X10|(% style="width:85px" %)0X00|(% style="width:1px" %)0X64|(% style="width:1px" %)0X8A|(% style="width:1px" %)((( 589 589 0X96 590 590 ))) ... ... @@ -591,10 +591,10 @@ 591 591 592 592 Change the intercept of the sensor with address 1 to 10 (default 0), which is 0X000A in the command. 593 593 594 - **response:**537 +response 595 595 596 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)597 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px;background-color:#4F81BD;color:white" %)Function code|=(% style="width:68px;background-color:#4F81BD;color:white" %)Address high|=(% style="width:68px;background-color:#4F81BD;color:white" %)Address low|=(% style="width:68px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:68px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width:68px;background-color:#4F81BD;color:white" %)CRC16 high539 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 540 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 598 598 |(% style="width:99px" %)0X13|(% style="width:112px" %)0X06|(% style="width:135px" %)((( 599 599 0X00 600 600 )))|(% style="width:126px" %)0X10|(% style="width:85px" %)0X00|(% style="width:1px" %)0X64|(% style="width:1px" %)0X8A|(% style="width:1px" %)((( ... ... @@ -606,14 +606,14 @@ 606 606 607 607 Query the data (ORP) of the sensor (address 13), host → slave 608 608 609 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)610 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high552 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 553 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 611 611 |(% style="width:99px" %)0X13|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X00|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0X87|(% style="width:56px" %)0X78 612 612 613 613 If the sensor receives correctly, the following data will be returned, slave → host 614 614 615 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)616 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high558 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 559 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 617 617 |(% style="width:99px" %)0X13|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X02|(% style="width:72px" %)0XAE|(% style="width:56px" %)0X80|(% style="width:56px" %)0X9B 618 618 619 619 The query data command is 13 03 00 00 00 01 87 78 ... ... @@ -625,13 +625,12 @@ 625 625 626 626 === 3.6.5 Calibration Method === 627 627 628 - 629 629 This device uses two-point calibration, and two known ORP standard solutions need to be prepared. The calibration steps are as follows: 630 630 (1) Place the electrode in distilled water to clean it, and then place it in 86mV standard buffer solution. After the data stabilizes, 631 631 enter the following calibration command, and the 86mV point calibration is completed; 632 632 633 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)634 -|=(% style="width: 4 2px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high575 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %) 576 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 635 635 |(% style="width:64px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 636 636 0X00 637 637 )))|(% style="width:68px" %)0X24|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0XCB|(% style="width:55px" %)((( ... ... @@ -640,9 +640,9 @@ 640 640 641 641 Wash the electrode in distilled water and place it in 256mV standard buffer. After the data is stable, enter the following calibration command to complete the 256mV point calibration. 642 642 643 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)644 -|=(% style="width: 4 2px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high645 -|(% style="width:6 8px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)(((585 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %) 586 +|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 66px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 55px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 587 +|(% style="width:64px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 646 646 0X00 647 647 )))|(% style="width:68px" %)0X25|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X9A|(% style="width:55px" %)((( 648 648 0XC3 ... ... @@ -650,39 +650,29 @@ 650 650 651 651 = 4. DR-DO1 Dissolved Oxygen Sensor = 652 652 653 -== 4.1 Specification == 654 654 655 655 656 - ***Measuringrange**: 0-20mg/L, 0–50℃597 +== 4.1 Specification == 657 657 658 -* **Accuracy**: 3%, ±0.5℃ 659 659 600 +* **Measuring range**: 0-20mg/L, 0-50℃ 601 +* **Accuracy**: 3%, ±0.5℃ 660 660 * **Resolution**: 0.01 mg/L, 0.01℃ 661 - 662 662 * **Maximum operating pressure**: 6 bar 663 - 664 664 * **Output signal**: A: 4-20mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 665 - 666 666 * **Power supply voltage**: 5-24V DC 667 - 668 -* **Working environment:** 669 -** Ambient Temperature: 0–60°C 670 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 671 - 606 +* **Working environment**: temperature 0-60℃; humidity <95%RH 672 672 * **Power consumption**: ≤0.5W 673 673 674 674 == 4.2 wiring == 675 675 676 - 677 677 [[image:image-20240720172632-4.png||height="390" width="640"]] 678 678 679 679 680 -== 4.3 Impedance requirements for current signals == 614 +== (% id="cke_bm_224234S" style="display:none" %) (%%)4.3 Impedance requirements for current signals == 681 681 616 +[[image:image-20240718195414-8.png||height="100" width="575"]] 682 682 683 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:400px" %) 684 -|(% style="width:132px" %)**Supply Voltage**|(% style="width:67px" %)**9V**|(% style="width:67px" %)**12V**|(% style="width:67px" %)**20V**|(% style="width:67px" %)**24V** 685 -|(% style="width:132px" %)**Max Impedance**|(% style="width:65px" %)**<250Ω**|(% style="width:67px" %)**<400Ω**|(% style="width:67px" %)**<500Ω**|(% style="width:65px" %)**<900Ω** 686 686 687 687 == 4.4 Mechinical Drawing == 688 688 ... ... @@ -692,52 +692,46 @@ 692 692 693 693 == 4.5 Instructions for use and maintenance == 694 694 695 - 696 696 * It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor. 697 - 698 698 * If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently. 699 699 700 700 == 4.6 RS485 Commands == 701 701 702 - 703 703 RS485 signaldefault address 0x14 704 704 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 705 705 706 - 707 707 === 4.6.1 Query address === 708 708 637 +send 709 709 710 -**send:** 711 - 712 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 713 -|=(% style="width: 64.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register address high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register address low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 639 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 640 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 714 714 |(% style="width:99px" %)0XFF|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X0A|(% style="width:70px" %)0X00|(% style="width:72px" %)0X02|(% style="width:56px" %)0XF1|(% style="width:56px" %)0XD7 715 715 716 716 If you forget the original address of the sensor, you can use the broadcast address 0XFF instead. When using 0XFE, the host can only connect to one slave, which can be used as a method of address query. 717 717 718 718 719 - **response:**646 +response 720 720 721 721 Register 0 data high and register 0 data low indicate the actual address of the sensor: 1 722 722 Register 1 data high and register 1 data low indicate the sensor version 723 723 724 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)725 -|=(% style="width: 40px;background-color:#4F81BD;color:white" %)Address|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data high|=(% style="width:59.75px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data low|=(% style="width: 59.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 59.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high651 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 652 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register 1 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 726 726 |(% style="width:99px" %)0XFF|(% style="width:72px" %)0X03|(% style="width:64px" %)0X04|(% style="width:68px" %)0X00|(% style="width:70px" %)0X01|(% style="width:72px" %)0X00|(% style="width:56px" %)0X00|(% style="width:56px" %)0XB4|(% style="width:56px" %)0X3C 727 727 728 728 === 4.6.2 Change address === 729 729 730 - 731 731 For example: Change the address of the sensor with address 1 to 2(address range: 1-119), master → slave 732 732 733 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 518px" %)734 -|=(% style="width: 40px; background-color: rgb(79, 129, 189); color: white;" %)Original address|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Start address high|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Start address low|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width:40px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width:39px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high|=(% style="width:39px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low659 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:907.333px" %) 660 +|=(% style="width: 67px; background-color: rgb(79, 129, 189); color: white;" %)Original address|=(% style="width: 71px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 65px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 65px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Start address high|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Start address low|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width: 53px; background-color: rgb(79, 129, 189); color: white;" %)Sensor version|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low 735 735 |(% style="width:67px" %)0X01|(% style="width:71px" %)0X10|(% style="width:65px" %)0X00|(% style="width:65px" %)0X0A|(% style="width:70px" %)0X00|(% style="width:72px" %)0X02|(% style="width:53px" %)0X04|(% style="width:53px" %)0X00|(% style="width:72px" %)0X02|(% style="width:53px" %)0X00|(% style="width:53px" %)0X00|(% style="width:56px" %)0XD2|(% style="width:53px" %)0X10 736 736 737 - **response:**663 +response 738 738 739 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)740 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high665 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 666 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 741 741 |(% style="width:99px" %)0X01|(% style="width:72px" %)0X10|(% style="width:64px" %)0X00|(% style="width:68px" %)0X0A|(% style="width:70px" %)0X00|(% style="width:72px" %)0X02|(% style="width:56px" %)0X61|(% style="width:56px" %)0XCA 742 742 743 743 === 4.6.3 Query data === ... ... @@ -745,14 +745,14 @@ 745 745 746 746 Query the data (dissolved oxygen) of the sensor (address 14), host → slave 747 747 748 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)749 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high674 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 675 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 750 750 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X14|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0XC6|(% style="width:56px" %)0XCB 751 751 752 752 If the sensor receives correctly, the following data will be returned, slave → host 753 753 754 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)755 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high680 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 681 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 756 756 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X03|(% style="width:72px" %)0X78|(% style="width:56px" %)0XB5|(% style="width:56px" %)0X55 757 757 758 758 After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 (% style="color:red" %)**03 78**(%%) B5 55. 03 78 is the value of dissolved oxygen. ... ... @@ -762,68 +762,54 @@ 762 762 763 763 Query the data (temperature) of the sensor (address 14), host → slave 764 764 765 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)766 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high691 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 692 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 767 767 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X11|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0XD6|(% style="width:56px" %)0XCA 768 768 769 769 If the sensor receives correctly, the following data will be returned, slave → host 770 770 771 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)772 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high697 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 698 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 773 773 |(% style="width:99px" %)0X14|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X09|(% style="width:72px" %)0XA4|(% style="width:56px" %)0XB2|(% style="width:56px" %)0X6C 774 774 775 775 After the query, 7 bytes will be returned. For example, the returned data is 14 03 02 (% style="color:red" %)**09 A4**(%%) B2 6C. 03 78 is the value of dissolved oxygen temperature. 776 776 777 -Converted to decimal, it is 2468. Add two decimal places to get the actual value. 09 A4 means the current dissolved oxygen temperature is 24.68 °C703 +Converted to decimal, it is 2468. Add two decimal places to get the actual value. 09 A4 means the current dissolved oxygen temperature is 24.68℃ 778 778 779 779 780 780 = 5. DR-TS1 Water Turbidity Sensor = 781 781 782 -== 5.1 Specification == 783 783 784 784 785 - ***Measuring range**:0.1~~1000.0NTU710 +== (% id="cke_bm_81470S" style="display:none" %) (%%)5.1 Specification == 786 786 712 +* **Measuring range**: 0.1~1000.0NTU 787 787 * **Accuracy**: ±5% 788 - 789 789 * **Resolution**: 0.1NTU 790 - 791 791 * **Stability**: ≤3mV/24 hours 716 +* **Output signal**: A: 4~20 mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 717 +* **Power supply voltage**: 5~24V DC (when output signal is RS485)12~24V DC (when output signal is 4~20mA) 718 +* **Working environment**: temperature 0~60℃; humidity ≤95%RH 719 +* **Power consumption**: ≤0.5W 792 792 793 -* **Output signal**: RS485 (standard Modbus-RTU protocol, device default address: 01) 794 - 795 -* **Power supply voltage**: 5~~24V DC (when output signal is RS485), 12~~24V DC (when output signal is 4~~20mA) 796 - 797 -* **Working environment:** 798 -** Ambient Temperature: 0–60°C 799 -** Relative Humidity: <85% RH(Specifically refers to the cable male and female) 800 - 801 -* **Power consumption**: ≤ 0.5W 802 - 803 803 == 5.2 wiring == 804 804 805 - 806 806 [[image:image-20240720172640-5.png||height="387" width="635"]] 807 807 808 808 809 809 == 5.3 Impedance requirements for current signals == 810 810 728 +[[image:image-20240718195414-8.png||height="100" width="575"]] 811 811 812 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:400px" %) 813 -|(% style="width:132px" %)**Supply Voltage**|(% style="width:67px" %)**9V**|(% style="width:67px" %)**12V**|(% style="width:67px" %)**20V**|(% style="width:67px" %)**24V** 814 -|(% style="width:132px" %)**Max Impedance**|(% style="width:65px" %)**<250Ω**|(% style="width:67px" %)**<400Ω**|(% style="width:67px" %)**<500Ω**|(% style="width:65px" %)**<900Ω** 815 815 816 816 == 5.4 Mechinical Drawing == 817 817 818 - 819 819 [[image:image-20240718195058-7.png||height="305" width="593"]] 820 820 821 821 822 822 == 5.5 Instructions for use and maintenance == 823 823 824 - 825 825 * It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor. 826 - 827 827 * If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently. 828 828 829 829 == 5.6 RS485 Commands == ... ... @@ -832,52 +832,47 @@ 832 832 RS485 signaldefault address 0x15 833 833 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 834 834 835 - 836 836 === 5.6.1 Query address === 837 837 749 +send 838 838 839 -**send:** 751 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 752 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 753 +|(% style="width:99px" %)0XFE |(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X50|(% style="width:70px" %)0X00|(% style="width:72px" %)0X00|(% style="width:56px" %)0X51|(% style="width:56px" %)0XD4 840 840 841 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 842 -|=(% style="width: 80.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Address high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Address low|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 54.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 58.75px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 843 -|(% style="width:99px" %)0XFE |(% style="width:64.75px" %)0X03|(% style="width:64px" %)0X00|(% style="width:64.75px" %)0X50|(% style="width:70px" %)0X00|(% style="width:72px" %)0X00|(% style="width:56px" %)0X51|(% style="width:56px" %)0XD4 844 - 845 845 If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, which can be used as a method of address query. 846 846 847 847 848 - **response:**758 +response 849 849 850 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:51 8px" %)851 -|=(% style="width: 103.6px;background-color:#4F81BD;color:white" %)New address|=(% style="width:103.6px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 103.6px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high760 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %) 761 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)New address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 106px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 93px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 104px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 852 852 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 853 853 854 854 === 5.6.2 Change address === 855 855 856 - 857 857 For example: Change the address of the sensor with address 1 to 2, master → slave 858 858 859 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)860 -|=(% style="width: 80.75px;background-color:#4F81BD;color:white" %)Original address|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Function code|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address high|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Address low|=(% style="width:64.75px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width:64.75px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 54.75px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 58.75px;background-color:#4F81BD;color:white" %)CRC16 high768 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 769 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Original address|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Function code|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address high|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Quantity high|=(% style="width: 1px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 low|=(% style="width: 50px;background-color:#4F81BD;color:white" %)CRC16 high 861 861 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X50|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0X08|(% style="width:1px" %)0X1A 862 862 863 863 If the sensor receives correctly, the data is returned along the original path. 773 +Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query. 864 864 865 -(% style="color:red" %)**Note: If you forget the original address of the sensor, you can use the broadcast address 0XFE instead. When using 0XFE, the host can only connect to one slave, and the return address is still the original address, which can be used as a method of address query.** 866 - 867 - 868 868 === 5.6.3 Query data === 869 869 870 870 871 871 Query the data (turbidity) of the sensor (address 15), host → slave 872 872 873 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)874 -|=(% style="width: 42px;background-color:#4F81BD;color:white" %)Address|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width:68px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high780 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 781 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 64px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register length high|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Register length low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 875 875 |(% style="width:99px" %)0X15|(% style="width:72px" %)0X03|(% style="width:64px" %)0X00|(% style="width:68px" %)0X00|(% style="width:70px" %)0X00|(% style="width:72px" %)0X01|(% style="width:56px" %)0X87|(% style="width:56px" %)0X1E 876 876 877 877 If the sensor receives correctly, the following data will be returned, slave → host 878 878 879 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 18px" %)880 -|=(% style="width: 44px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 79px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:79px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high786 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 787 +|=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Data length|=(% style="width: 68px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data high|=(% style="width: 70px; background-color: rgb(79, 129, 189); color: white;" %)Register 0 Data low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high 881 881 |(% style="width:99px" %)0X15|(% style="width:72px" %)0X03|(% style="width:68px" %)0X02|(% style="width:70px" %)0X02|(% style="width:72px" %)0X9A|(% style="width:56px" %)0X09|(% style="width:56px" %)0X4C 882 882 883 883 The query data command is 15 03 00 00 00 01 87 1E ... ... @@ -885,9 +885,3 @@ 885 885 For example, the returned data is 15 03 02 (% style="color:red" %)**02 9A**(%%) 09 4C 886 886 887 887 02 9A is the turbidity value, converted to decimal, it is 666, and then divided by 10, the actual value is 66.6, 02 9A means the current turbidity value is 66.6 NTU 888 - 889 - 890 -= 6. Water Quality Sensor Datasheet = 891 - 892 - 893 -* **[[Water Quality Sensor Transmitter Datasheet>>https://www.dropbox.com/scl/fi/9tofocmgapkbddshznumn/Datasheet_WQS-xB-WQS-xS_Water-Quality-Sensor-Transmitter.pdf?rlkey=wxua12ur9swk30rkqnh2boo9z&st=axga6epf&dl=0]]**
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