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...	...	@@ -67,9 +67,8 @@
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"]]
70	70
71		-[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
72		-
73	73	Connection3
74	74
75	75
...	...	@@ -90,9 +90,7 @@
90	90	* 5th and 6th bytes: Number of registers to read
91	91	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
92	92
93		-(((
94	94	How to parse the reading of the return command of the parameter：
95		-)))
96	96
97	97	(% class="box infomessage" %)
98	98	(((
...	...	@@ -120,7 +120,7 @@
120	120
121	121	[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
122	122
123		-AT COMMAND
	120	+**AT COMMAND**
124	124
125	125	(% class="box infomessage" %)
126	126	(((
...	...	@@ -149,53 +149,27 @@
149	149
150	150	[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
151	151
152		-(((
153	153	AT COMMAND
154		-)))
155	155
156		-(((
157		-
158		-)))
159		-
160		-(((
161	161	**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
162		-)))
163	163
164		-(((
165	165	RETURN1:01 03 02 00 02 39 85 00 00(return data)
166		-)))
167	167
168		-(((
169	169	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.
170		-)))
171	171
172		-(((
173	173	CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
174		-)))
175	175
176		-(((
177	177	RETURN2:01 03 02 08 DC BE 1D(return data)
178		-)))
179	179
180		-(((
181	181	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.
182		-)))
183	183
184		-(((
185	185	CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
186		-)))
187	187
188		-(((
189	189	RETURN3:01 03 04 00 00 00 44 FA 00(return data)
190		-)))
191	191
192		-(((
193	193	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.
194		-)))
195	195
196		-(((
197	197	Payload:01 00 02 39 85 08 DC 00 00 00 44
198		-)))
199	199
200	200	[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
201	201
...	...	@@ -292,7 +292,6 @@
292	292
293	293	DOWNLINK
294	294
295		-
296	296	[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
297	297
298	298	DOWNLINK
...	...	@@ -300,47 +300,30 @@
300	300
301	301	=== 1.3.4 How to configure and output commands for RS485 to USB ===
302	302
303		-(((
304	304	This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
305		-)))
306	306
307		-(((
308	308	First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter.
309		-)))
310	310
311		-(((
312	312	Open the serial port debugging, set the send and receive to HEX.
313		-)))
314	314
315		-(((
316	316	Baud rate: 9600
317		-)))
318	318
319		-(((
320	320	check digit: Even
321		-)))
322	322
323		-[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
	283	+[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]
324	324
325	325	USB
326	326
	287	+[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
327	327
328		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
329		-
330	330	USB
331	331
332		-
333		-(((
334	334	The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command.
335		-)))
336	336
337		-(((
338		-**Example:**  input：01 03 00 31 00 02 95 c4
339		-)))
	293	+Example:input：01 03 00 31 00 02 95 c4
340	340
341		-(((
342		- output:01 03 04 00 00 00 42 7A 02
343		-)))
	295	+{{{ output:01 03 04 00 00 00 42 7A 02
	296	+}}}
344	344
345	345	[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
346	346
...	...	@@ -350,11 +350,7 @@
350	350
351	351	If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01.
352	352
353		-(((
354		-(((
355	355	Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
356		-)))
357		-)))
358	358
359	359	[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
360	360
...	...	@@ -362,19 +362,13 @@
362	362
363	363	[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]]
364	364
365		-[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
	314	+[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]]
366	366
367		-(((
368	368	First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address.
369		-)))
370	370
371		-(((
372	372	We can use AT+CFGDEV to set the device address.
373		-)))
374	374
375		-(((
376	376	We modify the device address 01 of the first energy meter to 02.
377		-)))
378	378
379	379	[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
380	380