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3	3
4	4	{{toc/}}
5	5
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6	6	= 1. Introduction =
7	7
8	8	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9	9
	15	+
10	10	== 1.1 Example 1: Connect to Leak relay and VFD ==
11	11
12	12	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:
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28	28	* [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code.
29	29	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30	30
	37	+
	38	+
31	31	== 1.2 Example 2: Connect to Pulse Counter ==
32	32
33	33	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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136	136
137	137	)))
138	138
139		-=== 1.3.3 How to configure RS485-LN and parse output commands ===
	147	+=== **1.3.3 How to configure RS485-LN and parse output commands** ===
140	140
141	141	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
142	142
143	143
144		-==== 1.3.3.1 via AT COMMAND: ====
	152	+==== **1.3.3.1 via AT COMMAND:** ====
145	145
146	146	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
147	147
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191	191	)))
192	192
193	193	(((
194		-**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	202	+(% style="color:#4f81bd" %)**Example**:
	203	+
	204	+CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
195	195	)))
196	196
197	197	(((
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200	200
201	201	(((
202	202	AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
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203	203	)))
204	204
205	205	(((
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212	212
213	213	(((
214	214	AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
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	228	+
215	215	)))
216	216
217	217	(((
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242	242	AT COMMAND
243	243
244	244
245		-==== 1.3.3.2 via LoRaWAN DOWNLINK ====
	259	+==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
246	246
247	247	[[image:image-20220527093358-15.png]]
248	248
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255	255	)))
256	256
257	257	(((
258		-**Type Code 0xAF**
	272	+(% style="color:#4f81bd" %)**Type Code 0xAF**
259	259	)))
260	260
261	261	(((
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302	302	)))
303	303
304	304	(((
305		-Example:
	319	+(% style="color:#4f81bd" %)**Example:**
306	306	)))
307	307
308	308	(((
309		-AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	323	+**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
310	310	)))
311	311
312	312	[[image:image-20220527093430-16.png]]
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334	334	DOWNLINK
335	335
336	336
337		-=== 1.3.4 How to configure and output commands for RS485 to USB ===
	351	+=== **1.3.4 How to configure and output commands for RS485 to USB** ===
338	338
339	339	(((
340	340	This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
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371	371	)))
372	372
373	373	(((
374		-**Example:**  input：01 03 00 31 00 02 95 c4
	388	+(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
375	375	)))
376	376
377	377	(((
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383	383	USB
384	384
385	385
386		-=== 1.3.5 How to configure multiple devices and modify device addresses ===
	400	+=== **1.3.5 How to configure multiple devices and modify device addresses** ===
387	387
388	388	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.
389	389
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452	452
453	453	[[image:image-20220527094224-29.png]]
454	454
455		-PAYLOAD:01 08 DF 43 62
	469	+**PAYLOAD:01 08 DF 43 62**
456	456
457	457	* 08 DF is the valid value of the meter with device address 02.
458	458	* 43 62 is the valid value of the meter with device address 01.
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477	477
478	478	* [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
479	479
	494	+
480	480	== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
481	481
482	482	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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
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483	483
484	484	* [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
485	485
	501	+
486	486	== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
487	487
488		-[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
	504	+[[image:image-20220527094556-31.png]]
489	489
490	490	Network Structure
491	491