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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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76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 77  * Packet engine up to 256 bytes with CRC
78 78  
79 -
80 -
81 81  == 1.3 Features ==
82 82  
83 83  * LoRaWAN Class A & Class C protocol (default Class C)
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89 89  * Support Modbus protocol
90 90  * Support Interrupt uplink (Since hardware version v1.2)
91 91  
92 -
93 -
94 94  == 1.4 Applications ==
95 95  
96 96  * Smart Buildings & Home Automation
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163 163  [[image:1653268227651-549.png||height="592" width="720"]]
164 164  
165 165  (((
166 -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:
167 167  )))
168 168  
169 169  (((
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215 215  
216 216  (((
217 217  (((
218 -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.
219 219  )))
220 220  
221 221  (((
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420 420  
421 421  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
422 422  
425 +
423 423  1. PAYVER: Defined by AT+PAYVER
424 424  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
425 425  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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499 499  
500 500  There are two kinds of Commands:
501 501  
502 -* (% 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]]
505 +* (% 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]]
503 503  
504 504  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
505 505  
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519 519  
520 520  === 3.5.3 Sensor related commands ===
521 521  
522 -==== ====
523 523  
526 +
524 524  ==== **RS485 Debug Command** ====
525 525  
526 526  This command is used to configure the RS485 devices; they won’t be used during sampling.
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727 727  
728 728  * **AT Command:**
729 729  
730 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
733 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
731 731  
732 732  
733 733  * **Downlink Payload:**
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735 735  **0x08 FF**, RS485-LN will immediately send an uplink.
736 736  
737 737  
738 -==== ====
739 739  
740 740  ==== **Clear RS485 Command** ====
741 741  
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752 752  
753 753  The uplink screen shot is:
754 754  
755 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
757 +[[image:1654160691922-496.png]]
756 756  
757 757  
758 758  * **Downlink Payload:**
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851 851  |=**Button**|=(% style="width: 1420px;" %)**Feature**
852 852  |**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
853 853  |**RST**|(% style="width:1420px" %)Reboot RS485
854 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
856 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
855 855  
858 +
856 856  == 3.8 LEDs ==
857 857  
858 858  (% border="1" style="background-color:#f7faff; width:500px" %)
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860 860  |**PWR**|Always on if there is power
861 861  |**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.
862 862  
866 +
863 863  = 4. Case Study =
864 864  
865 865  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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879 879  [[image:1654162368066-342.png]]
880 880  
881 881  
882 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
886 +More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
883 883  
884 884  
885 885  == 5.2 Common AT Command Sequence ==
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971 971  
972 972  **Step3: **Open flashloader; choose the correct COM port to update.
973 973  
978 +(((
974 974  (% 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.
980 +)))
975 975  
976 976  
977 977  [[image:image-20220602175818-12.png]]
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1034 1034  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1035 1035  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1036 1036  
1043 +
1044 +
1037 1037  = 9.Packing Info =
1038 1038  
1039 1039  
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1050 1050  * Package Size / pcs : 14.5 x 8 x 5 cm
1051 1051  * Weight / pcs : 170g
1052 1052  
1061 +
1062 +
1053 1053  = 10. FCC Caution for RS485LN-US915 =
1054 1054  
1055 1055  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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