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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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30	30	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
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33	33	== 1.2 Example 2: Connect to Pulse Counter ==
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35	35	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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139	139	)))
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141		-=== 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** ===
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143	143	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
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146		-==== 1.3.3.1 via AT COMMAND: ====
	152	+==== **1.3.3.1 via AT COMMAND:** ====
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148	148	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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250	250	AT COMMAND
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253		-==== 1.3.3.2 via LoRaWAN DOWNLINK ====
	259	+==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
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255	255	[[image:image-20220527093358-15.png]]
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342	342	DOWNLINK
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344	344
345		-=== 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** ===
346	346
347	347	(((
348	348	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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391	391	USB
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393	393
394		-=== 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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396	396	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.
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