Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -7,12 +7,15 @@ 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 == ... ... @@ -22,19 +22,19 @@ 22 22 ))) 23 23 24 24 ((( 25 -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. 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. 26 26 ))) 27 27 28 28 ((( 29 -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. 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. 30 30 ))) 31 31 32 32 ((( 33 -RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years. 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. 34 34 ))) 35 35 36 36 ((( 37 -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. 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. 38 38 ))) 39 39 40 40 ((( ... ... @@ -51,8 +51,11 @@ 51 51 52 52 [[image:1652953304999-717.png||height="424" width="733"]] 53 53 57 + 58 + 54 54 == 1.2 Specifications == 55 55 61 + 56 56 **Hardware System:** 57 57 58 58 * STM32L072CZT6 MCU ... ... @@ -59,8 +59,6 @@ 59 59 * SX1276/78 Wireless Chip 60 60 * Power Consumption (exclude RS485 device): 61 61 ** Idle: 6uA@3.3v 62 - 63 -* 64 64 ** 20dB Transmit: 130mA@3.3v 65 65 66 66 **Interface for Model:** ... ... @@ -114,9 +114,12 @@ 114 114 115 115 [[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);"]] 116 116 121 + 117 117 == 1.6 Hardware Change log == 118 118 119 119 ((( 125 + 126 + 120 120 v1.4 121 121 ))) 122 122 ... ... @@ -140,6 +140,8 @@ 140 140 141 141 ((( 142 142 Release version 150 + 151 + 143 143 ))) 144 144 145 145 = 2. Pin mapping and Power ON Device = ... ... @@ -153,6 +153,7 @@ 153 153 154 154 The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper. 155 155 165 + 156 156 = 3. Operation Mode = 157 157 158 158 == 3.1 How it works? == ... ... @@ -159,6 +159,8 @@ 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. 172 + 173 + 162 162 ))) 163 163 164 164 == 3.2 Example to join LoRaWAN network == ... ... @@ -194,8 +194,6 @@ 194 194 ))) 195 195 196 196 197 - 198 - 199 199 [[image:image-20220519174512-1.png]] 200 200 201 201 [[image:image-20220519174512-2.png||height="328" width="731"]] ... ... @@ -219,10 +219,13 @@ 219 219 220 220 [[image:1652953568895-172.png||height="232" width="724"]] 221 221 232 + 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. 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 + 226 226 ))) 227 227 228 228 === 3.3.1 onfigure UART settings for RS485 or TTL communication === ... ... @@ -303,6 +303,7 @@ 303 303 ))) 304 304 ))) 305 305 319 + 306 306 === 3.3.2 Configure sensors === 307 307 308 308 ((( ... ... @@ -323,8 +323,9 @@ 323 323 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 324 324 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 325 325 326 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>> path:#AT_CFGDEV]].340 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 327 327 342 + 328 328 === 3.3.3 Configure read commands for each sampling === 329 329 330 330 ((( ... ... @@ -649,41 +649,57 @@ 649 649 650 650 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 651 651 652 - 667 +((( 653 653 function Decoder(bytes, port) { 669 +))) 654 654 671 +((( 655 655 ~/~/Payload Formats of RS485-BL Deceive 673 +))) 656 656 675 +((( 657 657 return { 677 +))) 658 658 679 +((( 659 659 ~/~/Battery,units:V 681 +))) 660 660 683 +((( 661 661 BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 685 +))) 662 662 687 +((( 663 663 ~/~/GPIO_EXTI 689 +))) 664 664 691 +((( 665 665 EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 693 +))) 666 666 695 +((( 667 667 ~/~/payload of version 697 +))) 668 668 699 +((( 669 669 Pay_ver:bytes[2], 701 +))) 670 670 703 +((( 671 671 }; 705 +))) 672 672 707 +((( 673 673 } 709 +))) 674 674 675 - 676 - 677 - 678 - 679 - 680 - 711 +((( 681 681 TTN V3 uplink screen shot. 713 +))) 682 682 683 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]715 +[[image:1653274001211-372.png||height="192" width="732"]] 684 684 685 -1. 686 -11. Configure RS485-BL via AT or Downlink 717 +== 3.5 Configure RS485-BL via AT or Downlink == 687 687 688 688 User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 689 689 ... ... @@ -693,15 +693,15 @@ 693 693 694 694 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 695 695 696 -1. 697 -11. 727 +1. 728 +11. 698 698 111. Common Commands: 699 699 700 700 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]] 701 701 702 702 703 -1. 704 -11. 734 +1. 735 +11. 705 705 111. Sensor related commands: 706 706 707 707 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -1007,13 +1007,13 @@ 1007 1007 1008 1008 1009 1009 1010 -1. 1041 +1. 1011 1011 11. Buttons 1012 1012 1013 1013 |**Button**|**Feature** 1014 1014 |**RST**|Reboot RS485-BL 1015 1015 1016 -1. 1047 +1. 1017 1017 11. +3V3 Output 1018 1018 1019 1019 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -1031,7 +1031,7 @@ 1031 1031 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1032 1032 1033 1033 1034 -1. 1065 +1. 1035 1035 11. +5V Output 1036 1036 1037 1037 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -1051,13 +1051,13 @@ 1051 1051 1052 1052 1053 1053 1054 -1. 1085 +1. 1055 1055 11. LEDs 1056 1056 1057 1057 |**LEDs**|**Feature** 1058 1058 |**LED1**|Blink when device transmit a packet. 1059 1059 1060 -1. 1091 +1. 1061 1061 11. Switch Jumper 1062 1062 1063 1063 |**Switch Jumper**|**Feature** ... ... @@ -1103,7 +1103,7 @@ 1103 1103 1104 1104 1105 1105 1106 -1. 1137 +1. 1107 1107 11. Common AT Command Sequence 1108 1108 111. Multi-channel ABP mode (Use with SX1301/LG308) 1109 1109 ... ... @@ -1122,8 +1122,8 @@ 1122 1122 1123 1123 ATZ 1124 1124 1125 -1. 1126 -11. 1156 +1. 1157 +11. 1127 1127 111. Single-channel ABP mode (Use with LG01/LG02) 1128 1128 1129 1129 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1198,7 +1198,7 @@ 1198 1198 [[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]] 1199 1199 1200 1200 1201 -1. 1232 +1. 1202 1202 11. How to change the LoRa Frequency Bands/Region? 1203 1203 1204 1204 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1205,7 +1205,7 @@ 1205 1205 1206 1206 1207 1207 1208 -1. 1239 +1. 1209 1209 11. How many RS485-Slave can RS485-BL connects? 1210 1210 1211 1211 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]]. ... ... @@ -1222,7 +1222,7 @@ 1222 1222 1223 1223 1224 1224 1225 -1. 1256 +1. 1226 1226 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1227 1227 1228 1228 It might about the channels mapping. Please see for detail.