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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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18 18  
19 19  (((
20 20  (((
27 +(((
21 21  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22 22  )))
30 +)))
23 23  
24 24  (((
33 +(((
25 25  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
26 26  )))
36 +)))
27 27  
28 28  (((
39 +(((
29 29  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
30 30  )))
42 +)))
31 31  
32 32  (((
45 +(((
33 33  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 +)))
34 34  
49 +(((
35 35  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
36 36  )))
37 37  )))
53 +)))
38 38  
39 39  [[image:1653267211009-519.png||height="419" width="724"]]
40 40  
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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.
93 +* Packet engine up to 256 bytes with CRC
78 78  
79 79  == 1.3 Features ==
80 80  
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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:
178 +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.
230 +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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416 416  
417 417  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418 418  
435 +
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]]
515 +* (% 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  
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515 515  
516 516  === 3.5.3 Sensor related commands ===
517 517  
518 -==== ====
519 519  
536 +
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.
743 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] 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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748 748  
749 749  The uplink screen shot is:
750 750  
751 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
767 +[[image:1654160691922-496.png]]
752 752  
753 753  
754 754  * **Downlink Payload:**
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847 847  |=**Button**|=(% style="width: 1420px;" %)**Feature**
848 848  |**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**
849 849  |**RST**|(% style="width:1420px" %)Reboot RS485
850 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
866 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
851 851  
868 +
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  
876 +
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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875 875  [[image:1654162368066-342.png]]
876 876  
877 877  
878 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
896 +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/]]
879 879  
880 880  
881 881  == 5.2 Common AT Command Sequence ==
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967 967  
968 968  **Step3: **Open flashloader; choose the correct COM port to update.
969 969  
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.
988 +(((
989 +(% 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.
990 +)))
971 971  
972 -[[image:image-20220602102605-1.png]]
973 973  
993 +[[image:image-20220602175818-12.png]]
974 974  
975 -[[image:image-20220602102637-2.png]]
976 976  
996 +[[image:image-20220602175848-13.png]]
977 977  
978 -[[image:image-20220602102715-3.png]]
979 979  
999 +[[image:image-20220602175912-14.png]]
980 980  
1001 +
1002 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1003 +
1004 +[[image:image-20220602175638-10.png]]
1005 +
1006 +
981 981  == 6.2 How to change the LoRa Frequency Bands/Region? ==
982 982  
983 983  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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992 992  
993 993  When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
994 994  
995 -Detail info check this link: [[Set Packet Receiving Response Level>>End Device AT Commands and Downlink Command||anchor="H7.23SetPacketReceivingResponseLevel"]]
1021 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
996 996  
997 997  
998 998  = 7. Trouble Shooting =
999 999  
1000 -
1001 1001  == 7.1 Downlink doesn’t work, how to solve it? ==
1002 1002  
1003 1003  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
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1010 1010  
1011 1011  = 8. Order Info =
1012 1012  
1013 -(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1038 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1014 1014  
1015 1015  (% style="color:blue" %)**XXX:**
1016 1016  
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1025 1025  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1026 1026  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1027 1027  
1028 -(% class="wikigeneratedid" %)
1053 +
1054 +
1055 += 9.Packing Info =
1056 +
1057 +
1058 +**Package Includes**:
1059 +
1060 +* RS485-LN x 1
1061 +* Stick Antenna for LoRa RF part x 1
1062 +* Program cable x 1
1063 +
1064 +**Dimension and weight**:
1065 +
1066 +* Device Size: 13.5 x 7 x 3 cm
1067 +* Device Weight: 105g
1068 +* Package Size / pcs : 14.5 x 8 x 5 cm
1069 +* Weight / pcs : 170g
1070 +
1071 +
1072 +
1073 += 10. FCC Caution for RS485LN-US915 =
1074 +
1075 +(((
1076 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1077 +)))
1078 +
1079 +(((
1080 +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.
1081 +)))
1082 +
1083 +(((
1029 1029  
1085 +)))
1086 +
1087 +(((
1088 +**IMPORTANT NOTE:**
1089 +)))
1090 +
1091 +(((
1092 +**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:
1093 +)))
1094 +
1095 +(((
1096 +—Reorient or relocate the receiving antenna.
1097 +)))
1098 +
1099 +(((
1100 +—Increase the separation between the equipment and receiver.
1101 +)))
1102 +
1103 +(((
1104 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1105 +)))
1106 +
1107 +(((
1108 +—Consult the dealer or an experienced radio/TV technician for help.
1109 +)))
1110 +
1111 +(((
1112 +
1113 +)))
1114 +
1115 +(((
1116 +**FCC Radiation Exposure Statement:**
1117 +)))
1118 +
1119 +(((
1120 +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.
1121 +)))
1122 +
1123 +
1124 += 11. Support =
1125 +
1126 +* (((
1127 +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.
1128 +)))
1129 +* (((
1130 +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]].
1131 +)))
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