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6	6	**RS485-LN – RS485 to LoRaWAN Converter User Manual**
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9	9	**Table of Contents:**
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	13	+{{toc/}}
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15	15	= 1.Introduction =
16	16
17	17	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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74	74	* Preamble detection.
75	75	* 127 dB Dynamic Range RSSI.
76	76	* Automatic RF Sense and CAD with ultra-fast AFC.
77		-* Packet engine up to 256 bytes with CRC.
	83	+* Packet engine up to 256 bytes with CRC
78	78
79	79	== 1.3 Features ==
80	80
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159	159	[[image:1653268227651-549.png||height="592" width="720"]]
160	160
161	161	(((
162		-The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
	168	+The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
163	163	)))
164	164
165	165	(((
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211	211
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214		-There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
	220	+There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
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283	283	)))
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	292	+
286	286	=== 3.3.2 Configure sensors ===
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301	301	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302	302	)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
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	311	+
304	304	=== 3.3.3 Configure read commands for each sampling ===
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306	306	(((
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416	416
417	417	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
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	427	+
419	419	1. PAYVER: Defined by AT+PAYVER
420	420	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421	421	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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495	495
496	496	There are two kinds of Commands:
497	497
498		-* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
	507	+* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
499	499
500	500	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
501	501
	511	+
502	502	=== 3.5.1 Common Commands ===
503	503
504	504	They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
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515	515
516	516	=== 3.5.3 Sensor related commands ===
517	517
518		-==== ====
519	519
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520	520	==== **RS485 Debug Command** ====
521	521
522	522	This command is used to configure the RS485 devices; they won’t be used during sampling.
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723	723
724	724	* **AT Command:**
725	725
726		-No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
	736	+No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
727	727
728	728
729	729	* **Downlink Payload:**
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731	731	**0x08 FF**, RS485-LN will immediately send an uplink.
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733	733
734		-==== ====
735	735
736	736	==== **Clear RS485 Command** ====
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748	748
749	749	The uplink screen shot is:
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751		-[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
	760	+[[image:1654160691922-496.png]]
752	752
753	753
754	754	* **Downlink Payload:**