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4	4	{{toc/}}
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6	6	= 1. Introduction =
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8	8	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
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29	29	* [[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.
30	30	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
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32	32	== 1.2 Example 2: Connect to Pulse Counter ==
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34	34	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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137	137
138	138	)))
139	139
140		-=== 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** ===
141	141
142	142	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
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144	144
145		-==== 1.3.3.1 via AT COMMAND: ====
	152	+==== **1.3.3.1 via AT COMMAND:** ====
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147	147	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
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249	249	AT COMMAND
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251	251
252		-==== 1.3.3.2 via LoRaWAN DOWNLINK ====
	259	+==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
253	253
254	254	[[image:image-20220527093358-15.png]]
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341	341	DOWNLINK
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343	343
344		-=== 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** ===
345	345
346	346	(((
347	347	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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390	390	USB
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392	392
393		-=== 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** ===
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395	395	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.
396	396