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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		-
209	209	= 2. DR-PH01 Water PH Sensor =
210	210
211	211
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293	293	|=(% 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
294	294	|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
295	295
296		-
297	297	=== 2.6.2 Change address ===
298	298
299	299	For example: Change the address of the sensor with address 1 to 2, master → slave
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329	329	0XA5
330	330	)))
331	331
332		-
333	333	=== 2.6.4 Query data ===
334	334
335	335
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382	382
383	383	= 3. DR-ORP1 Water ORP Sensor =
384	384
	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	+
385	385	== 3.7 RS485 Commands ==
386	386
387	387