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...	...	@@ -67,8 +67,9 @@
67	67
68	68	Connection2
69	69
70		-[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]]
71	71
	71	+[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]]
	72	+
72	72	Connection3
73	73
74	74
...	...	@@ -89,7 +89,9 @@
89	89	* 5th and 6th bytes: Number of registers to read
90	90	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
91	91
	93	+(((
92	92	How to parse the reading of the return command of the parameter：
	95	+)))
93	93
94	94	(% class="box infomessage" %)
95	95	(((
...	...	@@ -117,7 +117,7 @@
117	117
118	118	[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
119	119
120		-**AT COMMAND**
	123	+AT COMMAND
121	121
122	122	(% class="box infomessage" %)
123	123	(((
...	...	@@ -146,27 +146,49 @@
146	146
147	147	[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
148	148
	152	+(((
149	149	AT COMMAND
	154	+)))
150	150
	156	+(((
151	151	**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	158	+)))
152	152
	160	+(((
153	153	RETURN1:01 03 02 00 02 39 85 00 00(return data)
	162	+)))
154	154
	164	+(((
155	155	AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
	166	+)))
156	156
	168	+(((
157	157	CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
	170	+)))
158	158
	172	+(((
159	159	RETURN2:01 03 02 08 DC BE 1D(return data)
	174	+)))
160	160
	176	+(((
161	161	AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
	178	+)))
162	162
	180	+(((
163	163	CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
	182	+)))
164	164
	184	+(((
165	165	RETURN3:01 03 04 00 00 00 44 FA 00(return data)
	186	+)))
166	166
	188	+(((
167	167	AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
	190	+)))
168	168
	192	+(((
169	169	Payload:01 00 02 39 85 08 DC 00 00 00 44
	194	+)))
170	170
171	171	[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
172	172