Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -25,19 +25,19 @@ 25 25 ))) 26 26 27 27 ((( 28 -The Dragino RS485-BL is a (% style="color:blue" %)**RS485 / UART to LoRaWAN Converter**(%%)for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.28 +The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server. 29 29 ))) 30 30 31 31 ((( 32 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides (% style="color:blue" %)**a 3.3v output**(%%)and**(% style="color:blue" %)a 5v output(%%)** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.32 +RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption. 33 33 ))) 34 34 35 35 ((( 36 -RS485-BL is IP67 (% style="color:blue" %)**waterproof**(%%)and powered by(% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use for several years.36 +RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years. 37 37 ))) 38 38 39 39 ((( 40 -RS485-BL runs standard (% style="color:blue" %)**LoRaWAN 1.0.3 in Class A**(%%). It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.40 +RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server. 41 41 ))) 42 42 43 43 ((( ... ... @@ -54,11 +54,8 @@ 54 54 55 55 [[image:1652953304999-717.png||height="424" width="733"]] 56 56 57 - 58 - 59 59 == 1.2 Specifications == 60 60 61 - 62 62 **Hardware System:** 63 63 64 64 * STM32L072CZT6 MCU ... ... @@ -65,6 +65,8 @@ 65 65 * SX1276/78 Wireless Chip 66 66 * Power Consumption (exclude RS485 device): 67 67 ** Idle: 6uA@3.3v 65 + 66 +* 68 68 ** 20dB Transmit: 130mA@3.3v 69 69 70 70 **Interface for Model:** ... ... @@ -118,12 +118,9 @@ 118 118 119 119 [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]] 120 120 121 - 122 122 == 1.6 Hardware Change log == 123 123 124 124 ((( 125 - 126 - 127 127 v1.4 128 128 ))) 129 129 ... ... @@ -147,8 +147,6 @@ 147 147 148 148 ((( 149 149 Release version 150 - 151 - 152 152 ))) 153 153 154 154 = 2. Pin mapping and Power ON Device = ... ... @@ -162,7 +162,6 @@ 162 162 163 163 The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper. 164 164 165 - 166 166 = 3. Operation Mode = 167 167 168 168 == 3.1 How it works? == ... ... @@ -169,8 +169,6 @@ 169 169 170 170 ((( 171 171 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. 172 - 173 - 174 174 ))) 175 175 176 176 == 3.2 Example to join LoRaWAN network == ... ... @@ -206,6 +206,8 @@ 206 206 ))) 207 207 208 208 200 + 201 + 209 209 [[image:image-20220519174512-1.png]] 210 210 211 211 [[image:image-20220519174512-2.png||height="328" width="731"]] ... ... @@ -229,13 +229,10 @@ 229 229 230 230 [[image:1652953568895-172.png||height="232" width="724"]] 231 231 232 - 233 233 == 3.3 Configure Commands to read data == 234 234 235 235 ((( 236 -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. 237 - 238 - 228 +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. 239 239 ))) 240 240 241 241 === 3.3.1 onfigure UART settings for RS485 or TTL communication === ... ... @@ -316,7 +316,6 @@ 316 316 ))) 317 317 ))) 318 318 319 - 320 320 === 3.3.2 Configure sensors === 321 321 322 322 ((( ... ... @@ -337,9 +337,8 @@ 337 337 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 338 338 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 339 339 340 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>> ||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].329 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]]. 341 341 342 - 343 343 === 3.3.3 Configure read commands for each sampling === 344 344 345 345 ((( ... ... @@ -724,15 +724,15 @@ 724 724 725 725 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 726 726 727 -1. 728 -11. 715 +1. 716 +11. 729 729 111. Common Commands: 730 730 731 731 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]] 732 732 733 733 734 -1. 735 -11. 722 +1. 723 +11. 736 736 111. Sensor related commands: 737 737 738 738 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -1038,13 +1038,13 @@ 1038 1038 1039 1039 1040 1040 1041 -1. 1029 +1. 1042 1042 11. Buttons 1043 1043 1044 1044 |**Button**|**Feature** 1045 1045 |**RST**|Reboot RS485-BL 1046 1046 1047 -1. 1035 +1. 1048 1048 11. +3V3 Output 1049 1049 1050 1050 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -1062,7 +1062,7 @@ 1062 1062 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1063 1063 1064 1064 1065 -1. 1053 +1. 1066 1066 11. +5V Output 1067 1067 1068 1068 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -1082,13 +1082,13 @@ 1082 1082 1083 1083 1084 1084 1085 -1. 1073 +1. 1086 1086 11. LEDs 1087 1087 1088 1088 |**LEDs**|**Feature** 1089 1089 |**LED1**|Blink when device transmit a packet. 1090 1090 1091 -1. 1079 +1. 1092 1092 11. Switch Jumper 1093 1093 1094 1094 |**Switch Jumper**|**Feature** ... ... @@ -1134,7 +1134,7 @@ 1134 1134 1135 1135 1136 1136 1137 -1. 1125 +1. 1138 1138 11. Common AT Command Sequence 1139 1139 111. Multi-channel ABP mode (Use with SX1301/LG308) 1140 1140 ... ... @@ -1153,8 +1153,8 @@ 1153 1153 1154 1154 ATZ 1155 1155 1156 -1. 1157 -11. 1144 +1. 1145 +11. 1158 1158 111. Single-channel ABP mode (Use with LG01/LG02) 1159 1159 1160 1160 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1229,7 +1229,7 @@ 1229 1229 [[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]] 1230 1230 1231 1231 1232 -1. 1220 +1. 1233 1233 11. How to change the LoRa Frequency Bands/Region? 1234 1234 1235 1235 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1236,7 +1236,7 @@ 1236 1236 1237 1237 1238 1238 1239 -1. 1227 +1. 1240 1240 11. How many RS485-Slave can RS485-BL connects? 1241 1241 1242 1242 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]]. ... ... @@ -1253,7 +1253,7 @@ 1253 1253 1254 1254 1255 1255 1256 -1. 1244 +1. 1257 1257 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1258 1258 1259 1259 It might about the channels mapping. Please see for detail.