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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 85  == 1.3 Features ==
86 86  
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165 165  [[image:1653268227651-549.png||height="592" width="720"]]
166 166  
167 167  (((
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:
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:
169 169  )))
170 170  
171 171  (((
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217 217  
218 218  (((
219 219  (((
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.
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.
221 221  )))
222 222  
223 223  (((
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422 422  
423 423  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
424 424  
425 -
426 426  1. PAYVER: Defined by AT+PAYVER
427 427  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
428 428  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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502 502  
503 503  There are two kinds of Commands:
504 504  
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]]
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]]
506 506  
507 507  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
508 508  
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522 522  
523 523  === 3.5.3 Sensor related commands ===
524 524  
518 +==== ====
525 525  
526 -
527 527  ==== **RS485 Debug Command** ====
528 528  
529 529  This command is used to configure the RS485 devices; they won’t be used during sampling.
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730 730  
731 731  * **AT Command:**
732 732  
733 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
726 +No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
734 734  
735 735  
736 736  * **Downlink Payload:**
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738 738  **0x08 FF**, RS485-LN will immediately send an uplink.
739 739  
740 740  
734 +==== ====
741 741  
742 742  ==== **Clear RS485 Command** ====
743 743  
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754 754  
755 755  The uplink screen shot is:
756 756  
757 -[[image:1654160691922-496.png]]
751 +[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
758 758  
759 759  
760 760  * **Downlink Payload:**
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853 853  |=**Button**|=(% style="width: 1420px;" %)**Feature**
854 854  |**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**
855 855  |**RST**|(% style="width:1420px" %)Reboot RS485
856 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
850 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
857 857  
858 -
859 -
860 860  == 3.8 LEDs ==
861 861  
862 862  (% border="1" style="background-color:#f7faff; width:500px" %)
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864 864  |**PWR**|Always on if there is power
865 865  |**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.
866 866  
867 -
868 -
869 869  = 4. Case Study =
870 870  
871 871  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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885 885  [[image:1654162368066-342.png]]
886 886  
887 887  
888 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
878 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
889 889  
890 890  
891 891  == 5.2 Common AT Command Sequence ==
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977 977  
978 978  **Step3: **Open flashloader; choose the correct COM port to update.
979 979  
980 -(% 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.
970 +(% style="color:#037691" %) 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.
981 981  
972 +[[image:image-20220602102605-1.png]]
982 982  
983 -[[image:image-20220602175818-12.png]]
984 984  
975 +[[image:image-20220602102637-2.png]]
985 985  
986 -[[image:image-20220602175848-13.png]]
987 987  
978 +[[image:image-20220602102715-3.png]]
988 988  
989 -[[image:image-20220602175912-14.png]]
990 990  
991 -
992 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
993 -
994 -[[image:image-20220602175638-10.png]]
995 -
996 -
997 997  == 6.2 How to change the LoRa Frequency Bands/Region? ==
998 998  
999 999  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
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1008 1008  
1009 1009  When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1010 1010  
1011 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
995 +Detail info check this link: [[Set Packet Receiving Response Level>>End Device AT Commands and Downlink Command||anchor="H7.23SetPacketReceivingResponseLevel"]]
1012 1012  
1013 1013  
1014 1014  = 7. Trouble Shooting =
1015 1015  
1000 +
1016 1016  == 7.1 Downlink doesn’t work, how to solve it? ==
1017 1017  
1018 1018  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
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1025 1025  
1026 1026  = 8. Order Info =
1027 1027  
1028 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1013 +(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1029 1029  
1030 1030  (% style="color:blue" %)**XXX:**
1031 1031  
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1040 1040  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1041 1041  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1042 1042  
1043 -= 9.Packing Info =
1044 -
1045 -
1046 -**Package Includes**:
1047 -
1048 -* RS485-LN x 1
1049 -* Stick Antenna for LoRa RF part x 1
1050 -* Program cable x 1
1051 -
1052 -**Dimension and weight**:
1053 -
1054 -* Device Size: 13.5 x 7 x 3 cm
1055 -* Device Weight: 105g
1056 -* Package Size / pcs : 14.5 x 8 x 5 cm
1057 -* Weight / pcs : 170g
1058 -
1059 -= 10. FCC Caution for RS485LN-US915 =
1060 -
1061 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1062 -
1063 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1064 -
1065 -
1066 -**IMPORTANT NOTE:**
1067 -
1068 -**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1069 -
1070 -—Reorient or relocate the receiving antenna.
1071 -
1072 -—Increase the separation between the equipment and receiver.
1073 -
1074 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1075 -
1076 -—Consult the dealer or an experienced radio/TV technician for help.
1077 -
1078 -
1079 -**FCC Radiation Exposure Statement:**
1080 -
1081 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1082 -
1083 -
1084 -= 11. Support =
1085 -
1086 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1087 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1028 +(% class="wikigeneratedid" %)
1029 +
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