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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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429	429
430	430	(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
431	431
432		-
433	433	1. PAYVER: Defined by AT+PAYVER
434	434	1. PAYLOAD COUNT: Total how many uplinks of this sampling.
435	435	1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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509	509
510	510	There are two kinds of Commands:
511	511
512		-* (% 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]]
	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]]
513	513
514	514	* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
515	515
516		-
517		-
518	518	=== 3.5.1 Common Commands ===
519	519
520	520	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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531	531
532	532	=== 3.5.3 Sensor related commands ===
533	533
	518	+==== ====
534	534
535		-
536	536	==== **RS485 Debug Command** ====
537	537
538	538	This command is used to configure the RS485 devices; they won’t be used during sampling.
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747	747	**0x08 FF**, RS485-LN will immediately send an uplink.
748	748
749	749
	734	+==== ====
750	750
751	751	==== **Clear RS485 Command** ====
752	752
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864	864	|**RST**|(% style="width:1420px" %)Reboot RS485
865	865	|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
866	866
867		-
868	868	== 3.8 LEDs ==
869	869
870	870	(% border="1" style="background-color:#f7faff; width:500px" %)
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872	872	|**PWR**|Always on if there is power
873	873	|**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.
874	874
875		-
876	876	= 4. Case Study =
877	877
878	878	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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986	986
987	987	(% 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.
988	988
	972	+[[image:image-20220602102605-1.png]]
989	989
990		-[[image:image-20220602175818-12.png]]
991	991
	975	+[[image:image-20220602102637-2.png]]
992	992
993		-[[image:image-20220602175848-13.png]]
994	994
	978	+[[image:image-20220602102715-3.png]]
995	995
996		-[[image:image-20220602175912-14.png]]
997		-
998		-
999	999	**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1000	1000
1001	1001	[[image:image-20220602175638-10.png]]
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1047	1047	* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1048	1048	* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1049	1049
1050		-
1051	1051	= 9.Packing Info =
1052	1052
1053	1053
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1064	1064	* Package Size / pcs : 14.5 x 8 x 5 cm
1065	1065	* Weight / pcs : 170g
1066	1066
1067		-
1068	1068	= 10. FCC Caution for RS485LN-US915 =
1069	1069
1070	1070	Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.