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91	91
92	92	send
93	93
94		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
95		-|=(% 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
96		-|(% 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
	94	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %)
	95	+|=(% 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
	96	+|(% 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
97	97
98	98	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.
99	99
...	...	@@ -108,9 +108,9 @@
108	108
109	109	For example: Change the address of the sensor with address 1 to 2, master → slave
110	110
111		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
112		-|=(% 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
113		-|(% 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
	111	+(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:575.333px" %)
	112	+|=(% style="width: 69px; background-color: rgb(79, 129, 189); color: white;" %)Original address|=(% style="width: 76px; background-color: rgb(79, 129, 189); color: white;" %)Function code|=(% style="width: 67px; 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: 73px; background-color: rgb(79, 129, 189); color: white;" %)Quantity high|=(% style="width: 73px; background-color: rgb(79, 129, 189); color: white;" %)Quantity low|=(% style="width: 57px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 low|=(% style="width: 56px; background-color: rgb(79, 129, 189); color: white;" %)CRC16 high
	113	+|(% style="width:69px" %)0X01|(% style="width:76px" %)0X06|(% style="width:67px" %)0X00|(% style="width:68px" %)0X50|(% style="width:73px" %)0X00|(% style="width:73px" %)0X02|(% style="width:57px" %)0X08|(% style="width:56px" %)0X1A
114	114
115	115	If the sensor receives correctly, the data is returned along the original path.
116	116	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.
...	...	@@ -380,11 +380,11 @@
380	380	= 3. DR-ORP1 Water ORP Sensor =
381	381
382	382
383		-
384	384	== 3.1 Specification ==
385	385
386	386	* **Power Input**: DC7~~30
387		-* **Power Consumption** : < 0.5W
	386	+* **Measuring range**:** **-1999~~1999mV
	387	+**Resolution**: 1mV
388	388	* **Interface**: RS485. 9600 Baud Rate
389	389	* **Measurement error**: ±3mV
390	390	* **Stability**: ≤2mv/24 hours
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451	451	|=(% 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
452	452	|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
453	453
454		-
455		-
456	456	=== 3.6.2 Change address ===
457	457
458	458	For example: Change the address of the sensor with address 1 to 2, master → slave
...	...	@@ -522,13 +522,42 @@
522	522	0XC3
523	523	)))
524	524
	523	+= 4. DR-DO1 Dissolved Oxygen Sensor =
525	525
526	526
527		-= 4. DR-DO1 Dissolved Oxygen Sensor =
528	528
529		-== 4.7 RS485 Commands ==
	527	+== 4.1 Specification ==
530	530
	529	+* **Measuring range**: 0.1～1000.0NTU
	530	+* **Accuracy**: ±5%
	531	+* **Resolution**: 0.1NTU
	532	+* **Stability**: ≤3mV/24 hours
	533	+* **Output signal**: A: 4～20 mA (current loop)B: RS485 (standard Modbus-RTU protocol, device default address: 01)
	534	+* **Power supply voltage**: 5～24V DC (when output signal is RS485)12～24V DC (when output signal is 4～20mA)
	535	+* **Working environment**: temperature 0～60℃; humidity ≤95%RH
	536	+* **Power consumption**: ≤0.5W
531	531
	538	+== 4.2 Impedance requirements for current signals ==
	539	+
	540	+[[image:image-20240718195414-8.png||height="100" width="575"]]
	541	+
	542	+
	543	+== 4.3 wiring ==
	544	+
	545	+== 4.4 Mechinical Drawing ==
	546	+
	547	+[[image:image-20240718195058-7.png||height="305" width="593"]]
	548	+
	549	+
	550	+=== 4.5 Instructions for use and maintenance ===
	551	+
	552	+* It can be directly put into water without adding a protective tube, ensuring the long-term stability, reliability and accuracy of the sensor.
	553	+* If the water conditions are complex and you want accurate data, you need to wipe the sensor probe frequently.
	554	+
	555	+== 4.6 RS485 Commands ==
	556	+
	557	+4.6.1
	558	+
532	532	The address of the dissolved oxygen sensor is 14
533	533
534	534	The query data command is 14 03 00 14 00 01 C6 CB

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