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...	...	@@ -696,12 +696,8 @@
696	696
697	697	== 5.6 RS485 Commands ==
698	698
	699	+=== 4.6.1 Query address ===
699	699
700		-RS485 signaldefault address 0x15
701		-Standard Modbus-RTU protocol, baud rate: 9600; check bit: none; data bit: 8; stop bit: 1
702		-
703		-=== 5.6.1 Query address ===
704		-
705	705	send
706	706
707	707	(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %)
...	...	@@ -717,33 +717,11 @@
717	717	|=(% 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
718	718	|(% style="width:99px" %)0X01|(% style="width:112px" %)0X03|(% style="width:106px" %)0X00|(% style="width:93px" %)0X20|(% style="width:104px" %)0XF0
719	719
	716	+=== 5.6.2 Query data ===
720	720
721		-=== 5.6.2 Change address ===
722	722
723		-For example: Change the address of the sensor with address 1 to 2, master → slave
	719	+The address of the dissolved oxygen sensor is 15
724	724
725		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:676.25px" %)
726		-|=(% 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
727		-|(% 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
728		-
729		-If the sensor receives correctly, the data is returned along the original path.
730		-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.
731		-
732		-=== 5.6.3 Query data ===
733		-
734		-
735		-Query the data (turbidity) of the sensor (address 15), host → slave
736		-
737		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %)
738		-|=(% 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
739		-|(% 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
740		-
741		-If the sensor receives correctly, the following data will be returned, slave → host
742		-
743		-(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:599.333px" %)
744		-|=(% 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
745		-|(% 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
746		-
747	747	The query data command is 15 03 00 00 00 01 87 1E
748	748
749	749	For example, the returned data is 15 03 02 (% style="color:red" %)**02 9A**(%%) 09 4C