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Last modified by Xiaoling on 2025/04/23 15:57
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edited by Xiaoling
on 2022/05/23 10:48
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To version 29.7
edited by Xiaoling
on 2022/06/01 18:01
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7 7  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 9  
10 +
10 10  **Table of Contents:**
11 11  
13 +{{toc/}}
12 12  
13 13  
14 14  
15 15  
18 +
16 16  = 1.Introduction =
17 17  
18 18  == 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
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60 60  * Power Consumption (exclude RS485 device):
61 61  ** Idle: 6uA@3.3v
62 62  
63 -*
66 +*
64 64  ** 20dB Transmit: 130mA@3.3v
65 65  
66 66  **Interface for Model:**
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159 159  
160 160  (((
161 161  The RS485-BL is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-BL. It will auto join the network via OTAA.
165 +
166 +
162 162  )))
163 163  
164 164  == 3.2 Example to join LoRaWAN network ==
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222 222  == 3.3 Configure Commands to read data ==
223 223  
224 224  (((
225 -There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
230 +There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
231 +
232 +
226 226  )))
227 227  
228 228  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
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709 709  
710 710  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
711 711  
712 -1.
713 -11.
719 +1.
720 +11.
714 714  111. Common Commands:
715 715  
716 716  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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
717 717  
718 718  
719 -1.
720 -11.
726 +1.
727 +11.
721 721  111. Sensor related commands:
722 722  
723 723  ==== Choose Device Type (RS485 or TTL) ====
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1023 1023  
1024 1024  
1025 1025  
1026 -1.
1033 +1.
1027 1027  11. Buttons
1028 1028  
1029 1029  |**Button**|**Feature**
1030 1030  |**RST**|Reboot RS485-BL
1031 1031  
1032 -1.
1039 +1.
1033 1033  11. +3V3 Output
1034 1034  
1035 1035  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1047,7 +1047,7 @@
1047 1047  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1048 1048  
1049 1049  
1050 -1.
1057 +1.
1051 1051  11. +5V Output
1052 1052  
1053 1053  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
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1067 1067  
1068 1068  
1069 1069  
1070 -1.
1077 +1.
1071 1071  11. LEDs
1072 1072  
1073 1073  |**LEDs**|**Feature**
1074 1074  |**LED1**|Blink when device transmit a packet.
1075 1075  
1076 -1.
1083 +1.
1077 1077  11. Switch Jumper
1078 1078  
1079 1079  |**Switch Jumper**|**Feature**
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1119 1119  
1120 1120  
1121 1121  
1122 -1.
1129 +1.
1123 1123  11. Common AT Command Sequence
1124 1124  111. Multi-channel ABP mode (Use with SX1301/LG308)
1125 1125  
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1138 1138  
1139 1139  ATZ
1140 1140  
1141 -1.
1142 -11.
1148 +1.
1149 +11.
1143 1143  111. Single-channel ABP mode (Use with LG01/LG02)
1144 1144  
1145 1145  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
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1214 1214  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1215 1215  
1216 1216  
1217 -1.
1224 +1.
1218 1218  11. How to change the LoRa Frequency Bands/Region?
1219 1219  
1220 1220  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
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1221 1221  
1222 1222  
1223 1223  
1224 -1.
1231 +1.
1225 1225  11. How many RS485-Slave can RS485-BL connects?
1226 1226  
1227 1227  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>>path:#downlink_A8]].
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1238 1238  
1239 1239  
1240 1240  
1241 -1.
1248 +1.
1242 1242  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1243 1243  
1244 1244  It might about the channels mapping. Please see for detail.