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6	6	**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7	7
8	8
9		-
10		-
11	11	**Table of Contents:**
12	12
13		-{{toc/}}
14	14
15	15
16	16
17	17
18		-
19		-
20		-
21	21	= 1.Introduction =
22	22
23	23	== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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80	80	* Preamble detection.
81	81	* 127 dB Dynamic Range RSSI.
82	82	* Automatic RF Sense and CAD with ultra-fast AFC.
83		-* Packet engine up to 256 bytes with CRC
	77	+* Packet engine up to 256 bytes with CRC.
84	84
85		-
86	86	== 1.3 Features ==
87	87
88	88	* LoRaWAN Class A & Class C protocol (default Class C)
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94	94	* Support Modbus protocol
95	95	* Support Interrupt uplink (Since hardware version v1.2)
96	96
97		-
98	98	== 1.4 Applications ==
99	99
100	100	* Smart Buildings & Home Automation
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104	104	* Smart Cities
105	105	* Smart Factory
106	106
107		-
108	108	== 1.5 Firmware Change log ==
109	109
110	110	[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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168	168	[[image:1653268227651-549.png||height="592" width="720"]]
169	169
170	170	(((
171		-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:
	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:
172	172	)))
173	173
174	174	(((
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220	220
221	221	(((
222	222	(((
223		-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.
	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.
224	224	)))
225	225
226	226	(((
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292	292	)))
293	293	)))
294	294
295		-
296		-
297	297	=== 3.3.2 Configure sensors ===
298	298
299	299	(((
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312	312	mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313	313	)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
314	314
315		-
316		-
317	317	=== 3.3.3 Configure read commands for each sampling ===
318	318
319	319	(((
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528	528
529	529	=== 3.5.3 Sensor related commands ===
530	530
	518	+==== ====
531	531
532		-
533	533	==== **RS485 Debug Command** ====
534	534
535	535	This command is used to configure the RS485 devices; they won’t be used during sampling.
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744	744	**0x08 FF**, RS485-LN will immediately send an uplink.
745	745
746	746
	734	+==== ====
747	747
748	748	==== **Clear RS485 Command** ====
749	749
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861	861	|**RST**|(% style="width:1420px" %)Reboot RS485
862	862	|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
863	863
864		-
865	865	== 3.8 LEDs ==
866	866
867	867	(% border="1" style="background-color:#f7faff; width:500px" %)
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869	869	|**PWR**|Always on if there is power
870	870	|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
871	871
872		-
873	873	= 4. Case Study =
874	874
875	875	User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
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983	983
984	984	(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
985	985
	972	+[[image:image-20220602102605-1.png]]
986	986
987		-[[image:image-20220602175818-12.png]]
988	988
	975	+[[image:image-20220602102637-2.png]]
989	989
990		-[[image:image-20220602175848-13.png]]
991	991
	978	+[[image:image-20220602102715-3.png]]
992	992
993		-[[image:image-20220602175912-14.png]]
994		-
995		-
996	996	**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
997	997
998	998	[[image:image-20220602175638-10.png]]
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1044	1044	* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1045	1045	* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1046	1046
1047		-
1048	1048	= 9.Packing Info =
1049	1049
1050	1050
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1061	1061	* Package Size / pcs : 14.5 x 8 x 5 cm
1062	1062	* Weight / pcs : 170g
1063	1063
1064		-
1065	1065	= 10. FCC Caution for RS485LN-US915 =
1066	1066
1067	1067	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.