Changes for page Water Quality Sensors
Last modified by Karry Zhuang on 2025/02/18 15:43
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... ... @@ -11,17 +11,25 @@ 11 11 12 12 13 13 * **Power Input**: DC7~~30 14 + 14 14 * **Power Consumption** : < 0.5W 16 + 15 15 * **Interface**: RS485. 9600 Baud Rate 18 + 16 16 * **EC Range & Resolution:** 17 17 ** **ECK0.01** : 0.02 ~~ 20 μS/cm 18 18 ** **ECK0.1**: 0.2 ~~ 200.0 μS/cm 19 19 ** **ECK1.0** : 2 ~~ 2,000 μS/cm Resolution: 1 μS/cm 20 20 ** **ECK10.0** : 20 ~~ 20,000 μS/cm Resolution: 10 μS/cm 24 + 21 21 * **EC Accuracy**: ±1% FS 26 + 22 22 * **Temperature Measure Range**: -20 ~~ 60 °C 28 + 23 23 * **Temperature Accuracy: **±0.5 °C 30 + 24 24 * **IP Rated**: IP68 32 + 25 25 * **Max Pressure**: 0.6MPa 26 26 27 27 == 1.2 Application for Different Range == ... ... @@ -84,8 +84,11 @@ 84 84 85 85 86 86 * 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. 95 + 87 87 * 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. 97 + 88 88 * 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. 99 + 89 89 * 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.). 90 90 91 91 == 1.7 RS485 Commands == ... ... @@ -196,7 +196,8 @@ 196 196 197 197 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. 198 198 199 -**The calibration steps are as follows:** 210 +(% style="color:blue" %)**The calibration steps are as follows:** 211 + 200 200 (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. 201 201 202 202 (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) ... ... @@ -235,7 +235,6 @@ 235 235 |=(% 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 high 236 236 |(% style="width:99px" %)0X11|(% style="width:112px" %)0X06|(% style="width:135px" %)0X00|(% style="width:126px" %)0X26|(% style="width:85px" %)0X00|(% style="width:1px" %)0X02|(% style="width:1px" %)0XEB|(% style="width:1px" %)0X50 237 237 238 - 239 239 = 2. DR-PH01 Water PH Sensor = 240 240 241 241 == 2.1 Specification == ... ... @@ -242,51 +242,65 @@ 242 242 243 243 244 244 * **Power Input**: DC7~~30 256 + 245 245 * **Power Consumption** : < 0.5W 258 + 246 246 * **Interface**: RS485. 9600 Baud Rate 260 + 247 247 * **pH measurement range**: 0~~14.00pH; resolution: 0.01pH 248 -* **pH measurement error**:±0.15pH 249 -* **Repeatability error**:±0.02pH 250 -* **Temperature measurement range**:0~~60℃; resolution: 0.1℃ (set temperature for manual temperature compensation, default 25℃) 251 -* **Temperature measurement error**: ±0.5℃ 262 + 263 +* **pH measurement error**: ±0.15pH 264 + 265 +* **Repeatability error**: ±0.02pH 266 + 267 +* **Temperature measurement range**:0~~60°C; resolution: 0.1°C (set temperature for manual temperature compensation, default 25°C) 268 + 269 +* **Temperature measurement error**: ±0.5°C 270 + 252 252 * **Temperature Measure Range**: -20 ~~ 60 °C 272 + 253 253 * **Temperature Accuracy: **±0.5 °C 274 + 254 254 * **IP Rated**: IP68 276 + 255 255 * **Max Pressure**: 0.6MPa 256 256 257 257 == 2.2 Wiring == 258 258 281 + 259 259 [[image:image-20240720172548-2.png||height="348" width="571"]] 260 260 261 261 262 -== (% style="color:inherit; font-family:inherit" %)2.3(% style="color:inherit; font-family:inherit; font-size:26px" %)Mechinical Drawing(%%)==285 +== 2.3 Mechinical Drawing == 263 263 287 + 264 264 [[image:image-20240714174241-2.png]] 265 265 266 266 267 267 == 2.4 Installation Notice == 268 268 293 + 269 269 Do not power on while connect the cables. Double check the wiring before power on. 270 270 271 271 Installation Photo as reference: 272 272 273 -** ~Submerged installation:**298 +(% style="color:blue" %)**Submerged installation:** 274 274 275 275 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. 276 276 277 277 [[image:image-20240718191348-6.png]] 278 278 279 -** ~Pipeline installation:**304 +(% style="color:blue" %)**Pipeline installation:** 280 280 281 281 Connect the equipment to the pipeline through the 3/4 thread. 282 282 283 283 [[image:image-20240718191336-5.png||height="239" width="326"]] 284 284 285 -**Sampling:** 310 +(% style="color:blue" %)**Sampling:** 286 286 287 287 Take representative water samples according to sampling requirements. If it is inconvenient to take samples, you can also put the electrode into the solution to be tested and read the output data. After a period of time, take out the electrode and clean it. 288 288 289 -**Measure the pH of the water sample:** 314 +(% style="color:blue" %)**Measure the pH of the water sample:** 290 290 291 291 First rinse the electrode with distilled water, then rinse it with the water sample, then immerse the electrode in the sample, carefully shake the test cup or stir it to accelerate the electrode balance, let it stand, and record the pH value when the reading is stable. 292 292 ... ... @@ -295,55 +295,66 @@ 295 295 296 296 297 297 * 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! 323 + 298 298 * 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. 325 + 299 299 * 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. 327 + 300 300 * 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. 329 + 301 301 * 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. 331 + 302 302 * The electrode should be cleaned with deionized water before and after measurement to ensure accuracy. 333 + 303 303 * 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. 335 + 304 304 * 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. 305 -* ((( 306 -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. 307 -))) 308 308 338 +* 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. 339 + 309 309 == 2.6 RS485 Commands == 310 310 342 + 311 311 RS485 signaldefault address 0x10 312 312 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 313 313 346 + 314 314 === 2.6.1 Query address === 315 315 316 -send 317 317 318 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 319 -|=(% 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 350 +**send:** 351 + 352 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 353 +|=(% 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 320 320 |(% 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 321 321 322 -response 356 +**response:** 323 323 324 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 61.333px" %)325 -|=(% 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 high358 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 359 +|=(% 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 high 326 326 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 327 327 328 328 === 2.6.2 Change address === 329 329 364 + 330 330 For example: Change the address of the sensor with address 1 to 2, master → slave 331 331 332 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 676.25px" %)333 -|=(% style="width: 5 0px;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 high367 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 368 +|=(% 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 334 334 |(% 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 335 335 336 336 If the sensor receives correctly, the data is returned along the original path. 337 -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. 338 338 373 +(% 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.** 339 339 375 + 340 340 === 2.6.3 Modify intercept === 341 341 342 342 343 -send 379 +**send:** 344 344 345 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 70.333px" %)346 -|=(% style="width: 7 1px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width:74px; background-color: rgb(79, 129, 189); 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:57px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width:57px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high381 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 382 +|=(% style="width: 44.75px; background-color: rgb(79, 129, 189); color: white;" %)Address|=(% style="width: 64.75px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 69.75px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address high|=(% style="width: 69.75px; background-color: rgb(79, 129, 189); color: white;" %)Starting register address low|=(% style="width: 69.75px; background-color: rgb(79, 129, 189); color: white;" %)Register Length high|=(% style="width: 69.75px; 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 347 347 |(% style="width:71px" %)0X10|(% style="width:74px" %)0X06|(% style="width:67px" %)0X00|(% style="width:68px" %)0X10|(% style="width:69px" %)0X00|(% style="width:66px" %)0X64|(% style="width:57px" %)0X8A|(% style="width:57px" %)((( 348 348 0XA5 349 349 ))) ... ... @@ -350,10 +350,10 @@ 350 350 351 351 Change the intercept of the sensor at address 10 to 1 (default is 0). You need to pass the intercept 1*100 =100 into the command 0x006. 352 352 353 -response 389 +**response:** 354 354 355 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 676.25px" %)356 -|=(% 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 high391 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 392 +|=(% 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 high 357 357 |(% style="width:99px" %)0X10|(% style="width:112px" %)0X06|(% style="width:135px" %)((( 358 358 0X00 359 359 )))|(% style="width:126px" %)0X10|(% style="width:85px" %)0X00|(% style="width:1px" %)0X64|(% style="width:1px" %)0X8A|(% style="width:1px" %)((( ... ... @@ -365,14 +365,14 @@ 365 365 366 366 Query the data (PH) of the sensor (address 10), host → slave 367 367 368 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)369 -|=(% 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 high404 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 405 +|=(% 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 high 370 370 |(% style="width:99px" %)0X10|(% 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" %)0X4B 371 371 372 372 If the sensor receives correctly, the following data will be returned, slave → host 373 373 374 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)375 -|=(% 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 high410 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 411 +|=(% 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 376 376 |(% 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 377 377 378 378 The query data command is 10 03 00 00 00 01 87 4B. After the query, 7 bytes will be returned. ... ... @@ -386,11 +386,13 @@ 386 386 387 387 388 388 This device uses three-point calibration, and three known pH standard solutions need to be prepared. 389 -The calibration steps are as follows: 425 + 426 +(% style="color:blue" %)**The calibration steps are as follows:** 427 + 390 390 (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. 391 391 392 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 75.333px" %)393 -|=(% style="width: 6 4px; 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 high430 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 431 +|=(% style="width: 61px; 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 394 394 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 395 395 0X00 396 396 )))|(% style="width:68px" %)0X20|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X8A|(% style="width:55px" %)((( ... ... @@ -399,8 +399,8 @@ 399 399 400 400 (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. 401 401 402 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 75.333px" %)403 -|=(% style="width: 6 4px; 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 high440 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 441 +|=(% style="width: 61px; 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 404 404 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 405 405 0X00 406 406 )))|(% style="width:68px" %)0X21|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0XDB|(% style="width:55px" %)((( ... ... @@ -409,8 +409,8 @@ 409 409 410 410 (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. 411 411 412 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 75.333px" %)413 -|=(% style="width: 6 4px; 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 high450 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 451 +|=(% style="width: 61px; 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 414 414 |(% style="width:64px" %)0X10|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 415 415 0X00 416 416 )))|(% style="width:68px" %)0X22|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X2B|(% style="width:55px" %)((( ... ... @@ -422,41 +422,55 @@ 422 422 423 423 = 3. DR-ORP1 Water ORP Sensor = 424 424 425 - 426 426 == 3.1 Specification == 427 427 465 + 428 428 * **Power Input**: DC7~~30 467 + 429 429 * **Measuring range**:** **-1999~~1999mV 430 -**Resolution**: 1mV 469 + 470 +* **Resolution**: 1mV 471 + 431 431 * **Interface**: RS485. 9600 Baud Rate 473 + 432 432 * **Measurement error**: ±3mV 475 + 433 433 * **Stability**: ≤2mv/24 hours 434 -* **Equipment working conditions**: Ambient temperature: 0-60℃ Relative humidity: <85%RH 477 + 478 +* **Equipment working conditions**: Ambient temperature: 0-60°C Relative humidity: <85%RH 479 + 435 435 * **IP Rated**: IP68 481 + 436 436 * **Max Pressure**: 0.6MPa 437 437 484 + 485 + 438 438 == 3.2 Wiring == 439 439 488 + 440 440 [[image:image-20240720172620-3.png||height="378" width="620"]] 441 441 442 442 443 443 == 3.3 Mechinical Drawing == 444 444 494 + 445 445 [[image:image-20240714174241-2.png]] 446 446 497 + 447 447 == 3.4 Installation Notice == 448 448 500 + 449 449 Do not power on while connect the cables. Double check the wiring before power on. 450 450 451 -Installation Photo as reference: 503 +**Installation Photo as reference:** 452 452 453 -** ~Submerged installation:**505 +(% style="color:blue" %)** Submerged installation:** 454 454 455 455 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. 456 456 457 457 [[image:image-20240718191348-6.png]] 458 458 459 -** ~Pipeline installation:**511 +(% style="color:blue" %)** Pipeline installation:** 460 460 461 461 Connect the equipment to the pipeline through the 3/4 thread. 462 462 ... ... @@ -484,6 +484,7 @@ 484 484 485 485 (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. 486 486 539 + 487 487 == 3.6 RS485 Commands == 488 488 489 489 ... ... @@ -490,38 +490,45 @@ 490 490 RS485 signaldefault address 0x13 491 491 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 492 492 546 + 493 493 === 3.6.1 Query address === 494 494 495 -send 496 496 497 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 498 -|=(% 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 550 +**send:** 551 + 552 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 553 +|=(% 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 499 499 |(% 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 500 500 501 -response 502 502 503 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:561.333px" %) 504 -|=(% 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 557 +**response:** 558 + 559 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 560 +|=(% 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 high 505 505 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 506 506 563 + 507 507 === 3.6.2 Change address === 508 508 566 + 509 509 For example: Change the address of the sensor with address 1 to 2, master → slave 510 510 511 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 676.25px" %)512 -|=(% style="width: 5 0px;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 high569 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 570 +|=(% 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 513 513 |(% 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 514 514 515 515 If the sensor receives correctly, the data is returned along the original path. 516 -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. 517 517 575 +(% 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.** 518 518 577 + 519 519 === 3.6.3 Modify intercept === 520 520 521 -send 522 522 523 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %) 524 -|=(% 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 581 +**send:** 582 + 583 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 584 +|=(% 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 525 525 |(% 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" %)((( 526 526 0X96 527 527 ))) ... ... @@ -528,10 +528,10 @@ 528 528 529 529 Change the intercept of the sensor with address 1 to 10 (default 0), which is 0X000A in the command. 530 530 531 -response 591 +**response:** 532 532 533 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 676.25px" %)534 -|=(% 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 high593 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 594 +|=(% 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 high 535 535 |(% style="width:99px" %)0X13|(% style="width:112px" %)0X06|(% style="width:135px" %)((( 536 536 0X00 537 537 )))|(% style="width:126px" %)0X10|(% style="width:85px" %)0X00|(% style="width:1px" %)0X64|(% style="width:1px" %)0X8A|(% style="width:1px" %)((( ... ... @@ -538,19 +538,20 @@ 538 538 0X96 539 539 ))) 540 540 601 + 541 541 === 3.6.4 Query data === 542 542 543 543 544 544 Query the data (ORP) of the sensor (address 13), host → slave 545 545 546 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)547 -|=(% 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 high607 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 608 +|=(% 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 high 548 548 |(% 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 549 549 550 550 If the sensor receives correctly, the following data will be returned, slave → host 551 551 552 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)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: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 high613 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 614 +|=(% 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 554 554 |(% 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 555 555 556 556 The query data command is 13 03 00 00 00 01 87 78 ... ... @@ -562,12 +562,13 @@ 562 562 563 563 === 3.6.5 Calibration Method === 564 564 626 + 565 565 This device uses two-point calibration, and two known ORP standard solutions need to be prepared. The calibration steps are as follows: 566 566 (1) Place the electrode in distilled water to clean it, and then place it in 86mV standard buffer solution. After the data stabilizes, 567 567 enter the following calibration command, and the 86mV point calibration is completed; 568 568 569 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 75.333px" %)570 -|=(% 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 high631 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 632 +|=(% style="width: 42px; 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 high 571 571 |(% style="width:64px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 572 572 0X00 573 573 )))|(% style="width:68px" %)0X24|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0XCB|(% style="width:55px" %)((( ... ... @@ -576,9 +576,9 @@ 576 576 577 577 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. 578 578 579 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 75.333px" %)580 -|=(% 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 high581 -|(% style="width:6 4px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)(((641 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 642 +|=(% style="width: 42px; 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 high 643 +|(% style="width:68px" %)0X13|(% style="width:72px" %)0X06|(% style="width:66px" %)((( 582 582 0X00 583 583 )))|(% style="width:68px" %)0X25|(% style="width:72px" %)0XFF|(% style="width:70px" %)0XFF|(% style="width:55px" %)0X9A|(% style="width:55px" %)((( 584 584 0XC3 ... ... @@ -586,27 +586,35 @@ 586 586 587 587 = 4. DR-DO1 Dissolved Oxygen Sensor = 588 588 651 +== 4.1 Specification == 589 589 590 590 591 - ==4.1 Specification==654 +* **Measuring range**: 0-20mg/L, 0-50°C 592 592 656 +* **Accuracy**: 3%, ±0.5°C 593 593 594 -* **Measuring range**: 0-20mg/L, 0-50℃ 595 -* **Accuracy**: 3%, ±0.5℃ 596 -* **Resolution**: 0.01 mg/L, 0.01℃ 658 +* **Resolution**: 0.01 mg/L, 0.01°C 659 + 597 597 * **Maximum operating pressure**: 6 bar 661 + 598 598 * **Output signal**: A: 4-20mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 663 + 599 599 * **Power supply voltage**: 5-24V DC 600 -* **Working environment**: temperature 0-60℃; humidity <95%RH 665 + 666 +* **Working environment**: temperature 0-60°C; humidity <95%RH 667 + 601 601 * **Power consumption**: ≤0.5W 602 602 670 + 603 603 == 4.2 wiring == 604 604 673 + 605 605 [[image:image-20240720172632-4.png||height="390" width="640"]] 606 606 607 607 608 -== (% id="cke_bm_224234S" style="display:none" %) (%%)4.3 Impedance requirements for current signals ==677 +== 4.3 Impedance requirements for current signals == 609 609 679 + 610 610 [[image:image-20240718195414-8.png||height="100" width="575"]] 611 611 612 612 ... ... @@ -618,60 +618,71 @@ 618 618 619 619 == 4.5 Instructions for use and maintenance == 620 620 691 + 621 621 * It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor. 693 + 622 622 * If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently. 623 623 696 + 624 624 == 4.6 RS485 Commands == 625 625 699 + 626 626 RS485 signaldefault address 0x14 627 627 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 628 628 703 + 629 629 === 4.6.1 Query address === 630 630 631 -send 632 632 633 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 707 +**send:** 708 + 709 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 634 634 |=(% 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 635 635 |(% 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 636 636 713 + 637 637 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. 638 638 639 639 640 -response 717 +**response:** 641 641 642 642 Register 0 data high and register 0 data low indicate the actual address of the sensor: 1 643 643 Register 1 data high and register 1 data low indicate the sensor version 644 644 645 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)722 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 646 646 |=(% 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 647 647 |(% 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 648 648 726 + 649 649 === 4.6.2 Change address === 650 650 729 + 651 651 For example: Change the address of the sensor with address 1 to 2(address range: 1-119), master → slave 652 652 653 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 907.333px" %)732 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 654 654 |=(% 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 655 655 |(% 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 656 656 657 -response 736 +**response:** 658 658 659 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)738 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 660 660 |=(% 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 661 661 |(% 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 662 662 742 + 663 663 === 4.6.3 Query data === 664 664 665 665 666 666 Query the data (dissolved oxygen) of the sensor (address 14), host → slave 667 667 668 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)748 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 669 669 |=(% 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 670 670 |(% 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 671 671 752 + 672 672 If the sensor receives correctly, the following data will be returned, slave → host 673 673 674 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)755 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 675 675 |=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 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 676 676 |(% 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 677 677 ... ... @@ -682,56 +682,71 @@ 682 682 683 683 Query the data (temperature) of the sensor (address 14), host → slave 684 684 685 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)766 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 686 686 |=(% 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 687 687 |(% 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 688 688 770 + 689 689 If the sensor receives correctly, the following data will be returned, slave → host 690 690 691 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)773 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 692 692 |=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 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 693 693 |(% 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 694 694 777 + 695 695 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. 696 696 697 -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 ℃780 +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°C 698 698 699 699 700 700 = 5. DR-TS1 Water Turbidity Sensor = 701 701 785 +== 5.1 Specification == 702 702 703 703 704 - ==(% id="cke_bm_81470S"style="display:none"%) (%%)5.1Specification ==788 +* **Measuring range**: 0.1~1000.0NTU 705 705 706 -* **Measuring range**: 0.1~1000.0NTU 707 707 * **Accuracy**: ±5% 791 + 708 708 * **Resolution**: 0.1NTU 793 + 709 709 * **Stability**: ≤3mV/24 hours 710 -* **Output signal**: A: 4~20 mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 711 -* **Power supply voltage**: 5~24V DC (when output signal is RS485)12~24V DC (when output signal is 4~20mA) 712 -* **Working environment**: temperature 0~60℃; humidity ≤95%RH 713 -* **Power consumption**: ≤0.5W 714 714 796 +* **Output signal**: A: 4~20 mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01) 797 + 798 +* **Power supply voltage**: 5~24V DC (when output signal is RS485)12~24V DC (when output signal is 4~20mA) 799 + 800 +* **Working environment**: temperature 0~60°C; humidity ≤ 95%RH 801 + 802 +* **Power consumption**: ≤ 0.5W 803 + 804 + 715 715 == 5.2 wiring == 716 716 807 + 717 717 [[image:image-20240720172640-5.png||height="387" width="635"]] 718 718 719 719 720 720 == 5.3 Impedance requirements for current signals == 721 721 813 + 722 722 [[image:image-20240718195414-8.png||height="100" width="575"]] 723 723 724 724 725 725 == 5.4 Mechinical Drawing == 726 726 819 + 727 727 [[image:image-20240718195058-7.png||height="305" width="593"]] 728 728 729 729 730 730 == 5.5 Instructions for use and maintenance == 731 731 825 + 732 732 * It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor. 827 + 733 733 * If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently. 734 734 830 + 735 735 == 5.6 RS485 Commands == 736 736 737 737 ... ... @@ -738,11 +738,13 @@ 738 738 RS485 signaldefault address 0x15 739 739 Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1 740 740 837 + 741 741 === 5.6.1 Query address === 742 742 743 -send 744 744 745 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %) 841 +**send:** 842 + 843 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 746 746 |=(% 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 747 747 |(% 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 748 748 ... ... @@ -749,38 +749,43 @@ 749 749 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. 750 750 751 751 752 -response 850 +**response:** 753 753 754 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 61.333px" %)852 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 755 755 |=(% 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 756 756 |(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0 757 757 856 + 758 758 === 5.6.2 Change address === 759 759 760 760 For example: Change the address of the sensor with address 1 to 2, master → slave 761 761 762 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width: 676.25px" %)861 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 763 763 |=(% 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 764 764 |(% 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 765 765 865 + 766 766 If the sensor receives correctly, the data is returned along the original path. 767 -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. 768 768 868 +(% 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.** 869 + 769 769 === 5.6.3 Query data === 770 770 771 771 772 772 Query the data (turbidity) of the sensor (address 15), host → slave 773 773 774 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)875 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 775 775 |=(% 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 776 776 |(% 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 777 777 879 + 778 778 If the sensor receives correctly, the following data will be returned, slave → host 779 779 780 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:5 99.333px" %)882 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:518px" %) 781 781 |=(% style="width: 50px;background-color:#4F81BD;color:white" %)Address|=(% style="width: 72px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 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 782 782 |(% 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 783 783 886 + 784 784 The query data command is 15 03 00 00 00 01 87 1E 785 785 786 786 For example, the returned data is 15 03 02 (% style="color:red" %)**02 9A**(%%) 09 4C