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3	3
4	4	{{toc/}}
5	5
	6	+= 1. Introduction =
6	6
7		-
8		-
9		-
10		-
11		-= **1. Introduction** =
12		-
13	13	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14	14
15	15
16		-== **1.1 Example 1: Connect to Leak relay and VFD** ==
	11	+== 1.1 Example 1: Connect to Leak relay and VFD ==
17	17
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
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34	34	* [[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.
35	35	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36	36
	32	+== 1.2 Example 2: Connect to Pulse Counter ==
37	37
38		-
39		-== **1.2 Example 2: Connect to Pulse Counter** ==
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:
42	42
43	43	[[image:image-20220527092058-3.png]]
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45	45	Connection
46	46
47	47
48		-
49	49	[[image:image-20220527092146-4.png]]
50	50
51	51	Connection
52	52
53		-
54	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
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	57	== ==
58	58
59		-== **1.3 Example3: Use RS485-LN with energy meters** ==
	50	+== 1.3 Example3: Use RS485-LN with energy meters ==
60	60
61		-=== **1.3.1 OverView** ===
	52	+=== 1.3.1 OverView ===
62	62
63	63	(((
64	64	**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
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107	107	Connection3
108	108
109	109
110		-=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
	101	+=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
111	111
112	112	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.
113	113
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146	146
147	147	)))
148	148
149		-=== **1.3.3 How to configure RS485-LN and parse output commands** ===
	140	+=== 1.3.3 How to configure RS485-LN and parse output commands ===
150	150
151	151	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
152	152
153	153
154		-==== **1.3.3.1 via AT COMMAND:** ====
	145	+==== 1.3.3.1 via AT COMMAND: ====
155	155
156	156	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
157	157
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258	258	AT COMMAND
259	259
260	260
261		-==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
	252	+==== 1.3.3.2 via LoRaWAN DOWNLINK ====
262	262
263	263	[[image:image-20220527093358-15.png]]
264	264
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350	350	DOWNLINK
351	351
352	352
353		-=== **1.3.4 How to configure and output commands for RS485 to USB** ===
	344	+=== 1.3.4 How to configure and output commands for RS485 to USB ===
354	354
355	355	(((
356	356	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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399	399	USB
400	400
401	401
402		-=== **1.3.5 How to configure multiple devices and modify device addresses** ===
	393	+=== 1.3.5 How to configure multiple devices and modify device addresses ===
403	403
404	404	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.
405	405
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468	468
469	469	[[image:image-20220527094224-29.png]]
470	470
471		-**PAYLOAD:01 08 DF 43 62**
	462	+PAYLOAD:01 08 DF 43 62
472	472
473	473	* 08 DF is the valid value of the meter with device address 02.
474	474	* 43 62 is the valid value of the meter with device address 01.
475	475
476		-
477	477	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
478	478
479	479	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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below:
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484	484
485	485	* [[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
486	486
487		-
488	488	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
489	489
490	490	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: