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1	1	(% class="wikigeneratedid" %)
2		- **Contents:**
	2	+ ** Table of** **Contents:**
3	3
4	4	{{toc/}}
5	5
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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]]
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36	36
37	37
38	38
	41	+
39	39	== **1.2 Example 2: Connect to Pulse Counter** ==
40	40
	44	+
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:
42	42
	47	+
43	43	[[image:image-20220527092058-3.png]]
44	44
45	45	Connection
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51	51	Connection
52	52
53	53
54		-* [[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
	59	+* Configure Document: [[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/]]
55	55	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
56	56
57		-== ==
58	58
	63	+
	64	+
59	59	== **1.3 Example3: Use RS485-LN with energy meters** ==
60	60
61	61	=== **1.3.1 OverView** ===
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113	113
114	114	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.
115	115
116		-[[image:image-20220527092629-8.png]]
	122	+[[image:image-20220601143257-10.png]]
117	117
118	118
119	119	(% class="box infomessage" %)
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161	161	If the configured parameters and commands are incorrect, the return value is not obtained.
162	162	)))
163	163
164		-[[image:image-20220527092748-9.png]]
	170	+[[image:image-20220601143201-9.png]]
165	165
166	166	AT COMMAND
167	167
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177	177
178	178	c:  define the position for valid value.
179	179
180		-[[image:image-20220527092936-10.png]]
	186	+[[image:image-20220601143115-8.png]]
181	181
182	182	AT COMMAND
183	183
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186	186	PAYLOAD is available after the valid value is intercepted.
187	187
188	188
189		-[[image:image-20220527093059-11.png]]
	195	+[[image:image-20220601143046-7.png]]
190	190
191	191	AT COMMAND
192	192
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194	194
195	195	You can get configured PAYLOAD on TTN.
196	196
197		-[[image:image-20220527093133-12.png]]
	203	+[[image:image-20220601143519-1.png]]
198	198
199	199	(((
200	200	AT COMMAND
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250	250	Payload:01 00 02 39 85 08 DC 00 00 00 44
251	251	)))
252	252
253		-[[image:image-20220527093204-13.png]]
	259	+[[image:image-20220601142936-6.png]]
254	254
255	255	AT COMMAND
256	256
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259	259
260	260
261	261
262		-[[image:image-20220527093251-14.png]]
	268	+[[image:image-20220601143642-2.png]]
263	263
264	264	AT COMMAND
265	265
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333	333	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
334	334	)))
335	335
336		-[[image:image-20220527093430-16.png]]
	342	+[[image:image-20220601144149-6.png]]
337	337
338	338	DOWNLINK
339	339
340	340
341	341
342		-[[image:image-20220527093508-17.png]]
	348	+[[image:image-20220601143803-3.png]]
343	343
344	344	DOWNLINK
345	345
346	346
347		-[[image:image-20220527093530-18.png]]
348	348
	354	+[[image:image-20220601144053-5.png]]
	355	+
349	349	DOWNLINK
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351	351
352		-[[image:image-20220527093607-19.png]]
353	353
	360	+[[image:image-20220601143921-4.png]]
	361	+
354	354	DOWNLINK
355	355
356	356
357		-[[image:image-20220527093628-20.png]]
358	358
	366	+[[image:image-20220601142805-5.png]]
	367	+
359	359	DOWNLINK
360	360
361	361
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386	386	USB
387	387
388	388
	398	+
389	389	[[image:image-20220527093747-22.png]]
390	390
391	391	USB
392	392
393	393
	404	+
394	394	(((
395	395	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.
396	396	)))
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418	418	)))
419	419	)))
420	420
421		-[[image:image-20220527093849-24.png]]
	432	+[[image:image-20220601142044-1.png]]
422	422
423	423
424	424	**Example**:These two meters are examples of setting parameters and device addresses.
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425	425
426	426	[[image:image-20220527093950-25.png]]
427	427
	439	+
428	428	[[image:image-20220527094028-26.png]]
429	429
430	430	(((
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445	445	)))
446	446	)))
447	447
448		-[[image:image-20220527094100-27.png]]
	460	+[[image:image-20220601142354-2.png]]
449	449
450	450	(% class="box infomessage" %)
451	451	(((
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472	472
473	473	Its default device address is 01, and the following are the parameters for configuring two energy meters.
474	474
475		-[[image:image-20220527094150-28.png]]
	487	+[[image:image-20220601142452-3.png]]
476	476
477	477
478		-[[image:image-20220527094224-29.png]]
	490	+[[image:image-20220601142607-4.png]]
479	479
480	480	**PAYLOAD:01 08 DF 43 62**
481	481
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493	493
494	494	* [[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
495	495
496		-
497	497	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
498	498
499	499	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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