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...	...	@@ -10,7 +10,6 @@
10	10
11	11	Connection
12	12
13		-
14	14	[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
15	15
16	16	Connection
...	...	@@ -29,7 +29,6 @@
29	29
30	30	Connection
31	31
32		-
33	33	[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
34	34
35	35	Connection
...	...	@@ -53,29 +53,17 @@
53	53
54	54	Connection1
55	55
56		-(((
57	57	How to connect with Energy Meter：
58		-)))
59	59
60		-(((
61	61	Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively.
62		-)))
63	63
64		-(((
65	65	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
66		-)))
67	67
68		-(((
69	69	Power Source VIN to RS485-LN VIN+
70		-)))
71	71
72		-(((
73	73	Power Source GND to RS485-LN VIN-
74		-)))
75	75
76		-(((
77	77	Once there is power, the RS485-LN will be on.
78		-)))
79	79
80	80	[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
81	81
...	...	@@ -82,7 +82,7 @@
82	82	Connection2
83	83
84	84
85		-[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
	71	+[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="763" width="573"]]
86	86
87	87	Connection3
88	88
...	...	@@ -138,7 +138,7 @@
138	138
139	139	(% class="box infomessage" %)
140	140	(((
141		- AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	127	+AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
142	142	)))
143	143
144	144	a: length for the return of AT+COMMAND
...	...	@@ -225,7 +225,7 @@
225	225
226	226	==== 1.3.3.2 via LoRaWAN DOWNLINK ====
227	227
228		-[[image:image-20220512104358-3.png]]
	214	+[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
229	229
230	230	(((
231	231	DOWNLINK
...	...	@@ -236,15 +236,12 @@
236	236	)))
237	237
238	238	(((
239		-**Type Code 0xAF**
	225	+Type Code 0xAF
240	240	)))
241	241
242	242	(((
243		-(% class="box infomessage" %)
244		-(((
245	245	0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
246	246	)))
247		-)))
248	248
249	249	(((
250	250	Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
...	...	@@ -309,7 +309,6 @@
309	309
310	310	DOWNLINK
311	311
312		-
313	313	[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
314	314
315	315	DOWNLINK
...	...	@@ -337,12 +337,12 @@
337	337	check digit: Even
338	338	)))
339	339
340		-[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
	322	+[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]
341	341
342	342	USB
343	343
344	344
345		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
	327	+[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]]
346	346
347	347	USB
348	348
...	...	@@ -368,36 +368,28 @@
368	368	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.
369	369
370	370	(((
371		-(((
372	372	Set the device address according to the parameters in the appendix of the MODBUS communication protocol.
373	373	)))
374		-)))
375	375
376	376	[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
377	377
378		-**Example**:These two meters are examples of setting parameters and device addresses.
	358	+Example:These two meters are examples of setting parameters and device addresses.
379	379
380		-[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
	360	+[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="800" width="600"]]
381	381
382	382	[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
383	383
384	384	(((
385		-(((
386	386	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.
387	387	)))
388		-)))
389	389
390	390	(((
391		-(((
392	392	We can use AT+CFGDEV to set the device address.
393	393	)))
394		-)))
395	395
396	396	(((
397		-(((
398	398	We modify the device address 01 of the first energy meter to 02.
399	399	)))
400		-)))
401	401
402	402	[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
403	403

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