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6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 +
10 +
9 9  **Table of Contents:**
10 10  
13 +{{toc/}}
11 11  
12 12  
13 13  
14 14  
18 +
19 +
20 +
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  
85 +
79 79  == 1.3 Features ==
80 80  
81 81  * LoRaWAN Class A & Class C protocol (default Class C)
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87 87  * Support Modbus protocol
88 88  * Support Interrupt uplink (Since hardware version v1.2)
89 89  
97 +
90 90  == 1.4 Applications ==
91 91  
92 92  * Smart Buildings & Home Automation
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96 96  * Smart Cities
97 97  * Smart Factory
98 98  
107 +
99 99  == 1.5 Firmware Change log ==
100 100  
101 101  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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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:
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:
163 163  )))
164 164  
165 165  (((
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211 211  
212 212  (((
213 213  (((
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.
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.
215 215  )))
216 216  
217 217  (((
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283 283  )))
284 284  )))
285 285  
295 +
296 +
286 286  === 3.3.2 Configure sensors ===
287 287  
288 288  (((
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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
303 303  
315 +
316 +
304 304  === 3.3.3 Configure read commands for each sampling ===
305 305  
306 306  (((
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416 416  
417 417  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418 418  
432 +
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]]
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]]
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  
516 +
517 +
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  
535 +
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.
742 +No AT Command for this, user can press the [[ACT button>>||anchor="3.7Buttons"]] 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.
732 732  
733 733  
734 -==== ====
735 735  
736 736  ==== **Clear RS485 Command** ====
737 737  
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849 849  |**RST**|(% style="width:1420px" %)Reboot RS485
850 850  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
851 851  
867 +
852 852  == 3.8 LEDs ==
853 853  
854 854  (% border="1" style="background-color:#f7faff; width:500px" %)
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856 856  |**PWR**|Always on if there is power
857 857  |**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.
858 858  
875 +
859 859  = 4. Case Study =
860 860  
861 861  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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969 969  
970 970  (% 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.
971 971  
972 -[[image:image-20220602102605-1.png]]
973 973  
990 +[[image:image-20220602175818-12.png]]
974 974  
975 -[[image:image-20220602102637-2.png]]
976 976  
993 +[[image:image-20220602175848-13.png]]
977 977  
978 -[[image:image-20220602102715-3.png]]
979 979  
996 +[[image:image-20220602175912-14.png]]
997 +
998 +
980 980  **Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
981 981  
982 982  [[image:image-20220602175638-10.png]]
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1028 1028  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1029 1029  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1030 1030  
1050 +
1031 1031  = 9.Packing Info =
1032 1032  
1033 1033  
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1044 1044  * Package Size / pcs : 14.5 x 8 x 5 cm
1045 1045  * Weight / pcs : 170g
1046 1046  
1067 +
1047 1047  = 10. FCC Caution for RS485LN-US915 =
1048 1048  
1049 1049  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

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