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1	1	(% class="wikigeneratedid" %)
2		- **Contents:**
	2	+ ** Table of** **Contents:**
3	3
4	4	{{toc/}}
5	5
...	...	@@ -10,11 +10,13 @@
10	10
11	11	= **1. Introduction** =
12	12
	13	+
13	13	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14	14
15	15
16	16	== **1.1 Example 1: Connect to Leak relay and VFD** ==
17	17
	19	+
18	18	This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Relay and VFD and communicate with Mobile. The structure is like below:
19	19
20	20	[[image:image-20220527091852-1.png]]
...	...	@@ -36,6 +36,7 @@
36	36
37	37
38	38
	41	+
39	39	== **1.2 Example 2: Connect to Pulse Counter** ==
40	40
41	41	This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below:
...	...	@@ -50,6 +50,7 @@
50	50
51	51	Connection
52	52
	56	+
53	53	* [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document
54	54	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
55	55
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72	72	Connection1
73	73
74	74
	79	+
75	75	(((
76	76	How to connect with Energy Meter：
77	77	)))
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101	101	Connection2
102	102
103	103
	109	+
104	104	[[image:image-20220527092555-7.png]]
105	105
106	106	Connection3
...	...	@@ -110,7 +110,7 @@
110	110
111	111	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.
112	112
113		-[[image:image-20220527092629-8.png]]
	119	+[[image:image-20220601143257-10.png]]
114	114
115	115
116	116	(% class="box infomessage" %)
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158	158	If the configured parameters and commands are incorrect, the return value is not obtained.
159	159	)))
160	160
161		-[[image:image-20220527092748-9.png]]
	167	+[[image:image-20220601143201-9.png]]
162	162
163	163	AT COMMAND
164	164
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168	168	AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
169	169	)))
170	170
171		-a: length for the return of AT+COMMAND
	177	+a:  length for the return of AT+COMMAND
172	172
173		-b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
	179	+b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
174	174
175		-c: define the position for valid value.
	181	+c:  define the position for valid value.
176	176
177		-[[image:image-20220527092936-10.png]]
	183	+[[image:image-20220601143115-8.png]]
178	178
179	179	AT COMMAND
180	180
181	181
	188	+
182	182	PAYLOAD is available after the valid value is intercepted.
183	183
184	184
185		-[[image:image-20220527093059-11.png]]
	192	+[[image:image-20220601143046-7.png]]
186	186
187	187	AT COMMAND
188	188
189	189
	197	+
190	190	You can get configured PAYLOAD on TTN.
191	191
192		-[[image:image-20220527093133-12.png]]
	200	+[[image:image-20220601143519-1.png]]
193	193
194	194	(((
195	195	AT COMMAND
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245	245	Payload:01 00 02 39 85 08 DC 00 00 00 44
246	246	)))
247	247
248		-[[image:image-20220527093204-13.png]]
	256	+[[image:image-20220601142936-6.png]]
249	249
250	250	AT COMMAND
251	251
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252	252
253	253	(% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
254	254
255		-[[image:image-20220527093251-14.png]]
256	256
	264	+
	265	+[[image:image-20220601143642-2.png]]
	266	+
257	257	AT COMMAND
258	258
259	259
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317	317	)))
318	318
319	319	(((
	330	+
	331	+
320	320	(% style="color:#4f81bd" %)**Example:**
321	321	)))
322	322
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324	324	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
325	325	)))
326	326
327		-[[image:image-20220527093430-16.png]]
	339	+[[image:image-20220601144149-6.png]]
328	328
329	329	DOWNLINK
330	330
331	331
332		-[[image:image-20220527093508-17.png]]
333	333
	345	+[[image:image-20220601143803-3.png]]
	346	+
334	334	DOWNLINK
335	335
336	336
337		-[[image:image-20220527093530-18.png]]
338	338
	351	+[[image:image-20220601144053-5.png]]
	352	+
339	339	DOWNLINK
340	340
341	341
342		-[[image:image-20220527093607-19.png]]
343	343
	357	+[[image:image-20220601143921-4.png]]
	358	+
344	344	DOWNLINK
345	345
346	346
347		-[[image:image-20220527093628-20.png]]
348	348
	363	+[[image:image-20220601142805-5.png]]
	364	+
349	349	DOWNLINK
350	350
351	351
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376	376	USB
377	377
378	378
	395	+
379	379	[[image:image-20220527093747-22.png]]
380	380
381	381	USB
382	382
383	383
	401	+
384	384	(((
385	385	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.
386	386	)))
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408	408	)))
409	409	)))
410	410
411		-[[image:image-20220527093849-24.png]]
	429	+[[image:image-20220601142044-1.png]]
412	412
413	413
414	414	**Example**:These two meters are examples of setting parameters and device addresses.
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415	415
416	416	[[image:image-20220527093950-25.png]]
417	417
	436	+
418	418	[[image:image-20220527094028-26.png]]
419	419
420	420	(((
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435	435	)))
436	436	)))
437	437
438		-[[image:image-20220527094100-27.png]]
	457	+[[image:image-20220601142354-2.png]]
439	439
440	440	(% class="box infomessage" %)
441	441	(((
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462	462
463	463	Its default device address is 01, and the following are the parameters for configuring two energy meters.
464	464
465		-[[image:image-20220527094150-28.png]]
	484	+[[image:image-20220601142452-3.png]]
466	466
467	467
468		-[[image:image-20220527094224-29.png]]
	487	+[[image:image-20220601142607-4.png]]
469	469
470	470	**PAYLOAD:01 08 DF 43 62**
471	471
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483	483
484	484	* [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen
485	485
486		-
487	487	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
488	488
489	489	This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below:

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