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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]]
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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:
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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]]
	119	+[[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]]
	167	+[[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]]
	183	+[[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]]
	192	+[[image:image-20220601143046-7.png]]
190	190
191	191	AT COMMAND
192	192
193	193
	197	+
194	194	You can get configured PAYLOAD on TTN.
195	195
196		-[[image:image-20220527093133-12.png]]
	200	+[[image:image-20220601143519-1.png]]
197	197
198	198	(((
199	199	AT COMMAND
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249	249	Payload:01 00 02 39 85 08 DC 00 00 00 44
250	250	)))
251	251
252		-[[image:image-20220527093204-13.png]]
	256	+[[image:image-20220601142936-6.png]]
253	253
254	254	AT COMMAND
255	255
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256	256
257	257	(% 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.**
258	258
259		-[[image:image-20220527093251-14.png]]
260	260
	264	+
	265	+[[image:image-20220601143642-2.png]]
	266	+
261	261	AT COMMAND
262	262
263	263
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321	321	)))
322	322
323	323	(((
	330	+
	331	+
324	324	(% style="color:#4f81bd" %)**Example:**
325	325	)))
326	326
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328	328	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
329	329	)))
330	330
331		-[[image:image-20220527093430-16.png]]
	339	+[[image:image-20220601144149-6.png]]
332	332
333	333	DOWNLINK
334	334
335	335
336		-[[image:image-20220527093508-17.png]]
337	337
	345	+[[image:image-20220601143803-3.png]]
	346	+
338	338	DOWNLINK
339	339
340	340
341		-[[image:image-20220527093530-18.png]]
342	342
	351	+[[image:image-20220601144053-5.png]]
	352	+
343	343	DOWNLINK
344	344
345	345
346		-[[image:image-20220527093607-19.png]]
347	347
	357	+[[image:image-20220601143921-4.png]]
	358	+
348	348	DOWNLINK
349	349
350	350
351		-[[image:image-20220527093628-20.png]]
352	352
	363	+[[image:image-20220601142805-5.png]]
	364	+
353	353	DOWNLINK
354	354
355	355
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380	380	USB
381	381
382	382
	395	+
383	383	[[image:image-20220527093747-22.png]]
384	384
385	385	USB
386	386
387	387
	401	+
388	388	(((
389	389	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.
390	390	)))
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412	412	)))
413	413	)))
414	414
415		-[[image:image-20220527093849-24.png]]
	429	+[[image:image-20220601142044-1.png]]
416	416
417	417
418	418	**Example**:These two meters are examples of setting parameters and device addresses.
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419	419
420	420	[[image:image-20220527093950-25.png]]
421	421
	436	+
422	422	[[image:image-20220527094028-26.png]]
423	423
424	424	(((
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439	439	)))
440	440	)))
441	441
442		-[[image:image-20220527094100-27.png]]
	457	+[[image:image-20220601142354-2.png]]
443	443
444	444	(% class="box infomessage" %)
445	445	(((
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466	466
467	467	Its default device address is 01, and the following are the parameters for configuring two energy meters.
468	468
469		-[[image:image-20220527094150-28.png]]
	484	+[[image:image-20220601142452-3.png]]
470	470
471	471
472		-[[image:image-20220527094224-29.png]]
	487	+[[image:image-20220601142607-4.png]]
473	473
474	474	**PAYLOAD:01 08 DF 43 62**
475	475
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487	487
488	488	* [[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
489	489
490		-
491	491	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
492	492
493	493	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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