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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:
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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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171	171	AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
172	172	)))
173	173
174		-a: length for the return of AT+COMMAND
	177	+a:  length for the return of AT+COMMAND
175	175
176		-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.
177	177
178		-c: define the position for valid value.
	181	+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
184	184
	188	+
185	185	PAYLOAD is available after the valid value is intercepted.
186	186
187	187
188		-[[image:image-20220527093059-11.png]]
	192	+[[image:image-20220601143046-7.png]]
189	189
190	190	AT COMMAND
191	191
192	192
	197	+
193	193	You can get configured PAYLOAD on TTN.
194	194
195		-[[image:image-20220527093133-12.png]]
	200	+[[image:image-20220601143519-1.png]]
196	196
197	197	(((
198	198	AT COMMAND
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248	248	Payload:01 00 02 39 85 08 DC 00 00 00 44
249	249	)))
250	250
251		-[[image:image-20220527093204-13.png]]
	256	+[[image:image-20220601142936-6.png]]
252	252
253	253	AT COMMAND
254	254
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255	255
256	256	(% 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.**
257	257
258		-[[image:image-20220527093251-14.png]]
259	259
	264	+
	265	+[[image:image-20220601143642-2.png]]
	266	+
260	260	AT COMMAND
261	261
262	262
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320	320	)))
321	321
322	322	(((
	330	+
	331	+
323	323	(% style="color:#4f81bd" %)**Example:**
324	324	)))
325	325
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327	327	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
328	328	)))
329	329
330		-[[image:image-20220527093430-16.png]]
	339	+[[image:image-20220601144149-6.png]]
331	331
332	332	DOWNLINK
333	333
334	334
335		-[[image:image-20220527093508-17.png]]
336	336
	345	+[[image:image-20220601143803-3.png]]
	346	+
337	337	DOWNLINK
338	338
339	339
340		-[[image:image-20220527093530-18.png]]
341	341
	351	+[[image:image-20220601144053-5.png]]
	352	+
342	342	DOWNLINK
343	343
344	344
345		-[[image:image-20220527093607-19.png]]
346	346
	357	+[[image:image-20220601143921-4.png]]
	358	+
347	347	DOWNLINK
348	348
349	349
350		-[[image:image-20220527093628-20.png]]
351	351
	363	+[[image:image-20220601142805-5.png]]
	364	+
352	352	DOWNLINK
353	353
354	354
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379	379	USB
380	380
381	381
	395	+
382	382	[[image:image-20220527093747-22.png]]
383	383
384	384	USB
385	385
386	386
	401	+
387	387	(((
388	388	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.
389	389	)))
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411	411	)))
412	412	)))
413	413
414		-[[image:image-20220527093849-24.png]]
	429	+[[image:image-20220601142044-1.png]]
415	415
416	416
417	417	**Example**:These two meters are examples of setting parameters and device addresses.
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418	418
419	419	[[image:image-20220527093950-25.png]]
420	420
	436	+
421	421	[[image:image-20220527094028-26.png]]
422	422
423	423	(((
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438	438	)))
439	439	)))
440	440
441		-[[image:image-20220527094100-27.png]]
	457	+[[image:image-20220601142354-2.png]]
442	442
443	443	(% class="box infomessage" %)
444	444	(((
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465	465
466	466	Its default device address is 01, and the following are the parameters for configuring two energy meters.
467	467
468		-[[image:image-20220527094150-28.png]]
	484	+[[image:image-20220601142452-3.png]]
469	469
470	470
471		-[[image:image-20220527094224-29.png]]
	487	+[[image:image-20220601142607-4.png]]
472	472
473	473	**PAYLOAD:01 08 DF 43 62**
474	474
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486	486
487	487	* [[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
488	488
489		-
490	490	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
491	491
492	492	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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