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94	94	Connection2
95	95
96	96
97		-[[image:image-20220527092555-7.png]]
98	98
99	99	Connection3
100	100
...	...	@@ -103,12 +103,11 @@
103	103
104	104	If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
105	105
106		-[[image:image-20220527092629-8.png]]
	105	+[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
107	107
108		-
109	109	(% class="box infomessage" %)
110	110	(((
111		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
	109	+Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
112	112	)))
113	113
114	114	* The first byte : slave address code (=001～247)
...	...	@@ -123,7 +123,7 @@
123	123
124	124	(% class="box infomessage" %)
125	125	(((
126		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	124	+Example:RETURN1：01 03 02 08 FD 7E 05
127	127	)))
128	128
129	129	* The first byte ARD: slave address code (=001～254)
...	...	@@ -133,16 +133,10 @@
133	133	* The 6th and 7th bytes: CRC16 checksum
134	134	* 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
135	135
136		-(% class="wikigeneratedid" %)
137		-(((
138		-
139		-)))
140		-
141	141	=== 1.3.3 How to configure RS485-LN and parse output commands ===
142	142
143	143	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
144	144
145		-
146	146	==== 1.3.3.1 via AT COMMAND: ====
147	147
148	148	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
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151	151	If the configured parameters and commands are incorrect, the return value is not obtained.
152	152	)))
153	153
154		-[[image:image-20220527092748-9.png]]
	146	+[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
155	155
156	156	AT COMMAND
157	157
158		-
159	159	(% class="box infomessage" %)
160	160	(((
161	161	AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
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167	167
168	168	c: define the position for valid value.
169	169
170		-[[image:image-20220527092936-10.png]]
	161	+[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
171	171
172	172	AT COMMAND
173	173
174		-
175	175	PAYLOAD is available after the valid value is intercepted.
176	176
177	177
178		-[[image:image-20220527093059-11.png]]
	168	+[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
179	179
180	180	AT COMMAND
181	181
182		-
183	183	You can get configured PAYLOAD on TTN.
184	184
185		-[[image:image-20220527093133-12.png]]
186	186
	175	+[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
	176	+
187	187	(((
188	188	AT COMMAND
189	189	)))
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232	232	Payload:01 00 02 39 85 08 DC 00 00 00 44
233	233	)))
234	234
235		-[[image:image-20220527093204-13.png]]
	225	+[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
236	236
237	237	AT COMMAND
238	238
239		-
240	240	01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
241	241
242		-[[image:image-20220527093251-14.png]]
243	243
	232	+[[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]]
	233	+
244	244	AT COMMAND
245	245
246	246

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