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205	205	|=(% 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
206	206	|(% 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
207	207
	208	+
208	208	= 2. DR-PH01 Water PH Sensor =
209	209
210	210
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292	292	|=(% 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
293	293	|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
294	294
	296	+
295	295	=== 2.6.2 Change address ===
296	296
297	297	For example: Change the address of the sensor with address 1 to 2, master → slave
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327	327	0XA5
328	328	)))
329	329
	332	+
330	330	=== 2.6.4 Query data ===
331	331
332	332
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379	379
380	380	= 3. DR-ORP1 Water ORP Sensor =
381	381
382		-
383		-
384		-== 3.1 Specification:[[Edit>>url:http://wiki.dragino.com/xwiki/bin/edit/Main/Water%20Quality%20Sensors/WebHome?section=2]] ==
385		-
386		-* **Power Input**: DC7~~30
387		-* **Power Consumption** : < 0.5W
388		-* **Interface**: RS485. 9600 Baud Rate
389		-* **Measurement error**: ±3mV
390		-* **Stability**: ≤2mv/24 hours
391		-* **Equipment working conditions**: Ambient temperature: 0-60℃ Relative humidity: <85%RH
392		-* **IP Rated**: IP68
393		-* **Max Pressure**: 0.6MPa
394		-
395		-== 3.2 Wiring ==
396		-
397		-
398		-== 3.3 Mechinical Drawing ==
399		-
400		-[[image:image-20240714174241-2.png]]
401		-
402		-== 3.4 Installation Notice ==
403		-
404		-Do not power on while connect the cables. Double check the wiring before power on.
405		-
406		-Installation Photo as reference:
407		-
408		-**~ Submerged installation:**
409		-
410		-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.
411		-
412		-[[image:image-20240718191348-6.png]]
413		-
414		-**~ Pipeline installation:**
415		-
416		-Connect the equipment to the pipeline through the 3/4 thread.
417		-
418		-[[image:image-20240718191336-5.png||height="239" width="326"]]
419		-
420		-
421	421	== 3.7 RS485 Commands ==
422	422
423	423