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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 +
86 +
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  
98 +
99 +
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  
109 +
110 +
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:
174 +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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515 515  
516 516  === 3.5.3 Sensor related commands ===
517 517  
518 -==== ====
530 +(% class="wikigeneratedid" id="H" %)
531 +
519 519  
533 +
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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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  
866 +
867 +
852 852  == 3.8 LEDs ==
853 853  
854 854  (% border="1" style="background-color:#f7faff; width:500px" %)
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869 869  
870 870  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
871 871  
872 -[[image:1654135840598-282.png]]
888 +[[image:1654162355560-817.png]]
873 873  
874 874  
875 875  In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
876 876  
877 -[[image:1654136105500-922.png]]
893 +[[image:1654162368066-342.png]]
878 878  
879 879  
880 880  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
... ... @@ -918,13 +918,13 @@
918 918  === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
919 919  
920 920  
921 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
937 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
922 922  
923 923  (% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
924 924  
925 925  (% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
926 926  
927 -(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
943 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
928 928  
929 929  (% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
930 930  
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946 946  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
947 947  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
948 948  
949 -[[image:1654136435598-589.png]]
965 +[[image:1654162478620-421.png]]
950 950  
951 951  
952 952  = 6. FAQ =
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953 953  
954 954  == 6.1 How to upgrade the image? ==
955 955  
956 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
972 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
957 957  
958 958  * Support new features
959 959  * For bug fix
960 960  * Change LoRaWAN bands.
961 961  
962 -Below shows the hardware connection for how to upload an image to RS485-BL:
978 +Below shows the hardware connection for how to upload an image to RS485-LN:
963 963  
964 -[[image:1654136646995-976.png]]
980 +[[image:1654162535040-878.png]]
965 965  
966 966  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
967 967  
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969 969  
970 970  **Step3: **Open flashloader; choose the correct COM port to update.
971 971  
972 -[[image:image-20220602102605-1.png]]
988 +(% 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.
973 973  
974 974  
975 -[[image:image-20220602102637-2.png]]
991 +[[image:image-20220602175818-12.png]]
976 976  
977 977  
978 -[[image:image-20220602102715-3.png]]
994 +[[image:image-20220602175848-13.png]]
979 979  
980 980  
997 +[[image:image-20220602175912-14.png]]
981 981  
999 +
1000 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1001 +
1002 +[[image:image-20220602175638-10.png]]
1003 +
1004 +
982 982  == 6.2 How to change the LoRa Frequency Bands/Region? ==
983 983  
984 984  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
985 985  
986 986  
987 -
988 988  == 6.3 How many RS485-Slave can RS485-BL connects? ==
989 989  
990 990  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
991 991  
992 992  
1015 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
993 993  
994 -= 7. Trouble Shooting =
1017 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
995 995  
1019 +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  
1021 +
1022 += 7. Trouble Shooting =
1023 +
997 997  == 7.1 Downlink doesn’t work, how to solve it? ==
998 998  
999 999  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
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1006 1006  
1007 1007  = 8. Order Info =
1008 1008  
1009 -(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1036 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1010 1010  
1011 1011  (% style="color:blue" %)**XXX:**
1012 1012  
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1021 1021  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1022 1022  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1023 1023  
1024 -(% class="wikigeneratedid" %)
1025 -
1051 +
1052 +
1053 += 9.Packing Info =
1054 +
1055 +
1056 +**Package Includes**:
1057 +
1058 +* RS485-LN x 1
1059 +* Stick Antenna for LoRa RF part x 1
1060 +* Program cable x 1
1061 +
1062 +**Dimension and weight**:
1063 +
1064 +* Device Size: 13.5 x 7 x 3 cm
1065 +* Device Weight: 105g
1066 +* Package Size / pcs : 14.5 x 8 x 5 cm
1067 +* Weight / pcs : 170g
1068 +
1069 += 10. FCC Caution for RS485LN-US915 =
1070 +
1071 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1072 +
1073 +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.
1074 +
1075 +
1076 +**IMPORTANT NOTE:**
1077 +
1078 +**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:
1079 +
1080 +—Reorient or relocate the receiving antenna.
1081 +
1082 +—Increase the separation between the equipment and receiver.
1083 +
1084 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1085 +
1086 +—Consult the dealer or an experienced radio/TV technician for help.
1087 +
1088 +
1089 +**FCC Radiation Exposure Statement:**
1090 +
1091 +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.
1092 +
1093 +
1094 += 11. Support =
1095 +
1096 +* 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.
1097 +* 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]].
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