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 ((( ... ... @@ -437,7 +437,7 @@ 437 437 438 438 **Examples:** 439 439 440 -1 )For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49428 +1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 441 441 442 442 If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 443 443 ... ... @@ -445,7 +445,7 @@ 445 445 446 446 [[image:1653271044481-711.png]] 447 447 448 - 2)For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49436 +1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 449 449 450 450 If we set AT+SEARCH1=2, 1E 56 34+31 00 49 451 451 ... ... @@ -464,18 +464,16 @@ 464 464 * **c: define the position for valid value. ** 465 465 ))) 466 466 467 - **Examples:**455 +Examples: 468 468 469 469 * Grab bytes: 470 470 471 471 [[image:1653271581490-837.png||height="313" width="722"]] 472 472 473 - 474 474 * Grab a section. 475 475 476 476 [[image:1653271648378-342.png||height="326" width="720"]] 477 477 478 - 479 479 * Grab different sections. 480 480 481 481 [[image:1653271657255-576.png||height="305" width="730"]] ... ... @@ -518,7 +518,6 @@ 518 518 519 519 [[image:1653271763403-806.png]] 520 520 521 - 522 522 === 3.3.4 Compose the uplink payload === 523 523 524 524 ((( ... ... @@ -526,7 +526,7 @@ 526 526 ))) 527 527 528 528 ((( 529 -(% style="color:# 037691" %)**Examples: AT+DATAUP=0**514 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 530 530 ))) 531 531 532 532 ((( ... ... @@ -538,7 +538,7 @@ 538 538 ))) 539 539 540 540 ((( 541 -(% style="color:#4f81bd" %) **Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**526 +(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx 542 542 ))) 543 543 544 544 ((( ... ... @@ -547,12 +547,8 @@ 547 547 548 548 [[image:1653272787040-634.png||height="515" width="719"]] 549 549 550 - 551 - 552 552 ((( 553 -(% style="color:#037691" %)**Examples: AT+DATAUP=1** 554 - 555 - 536 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 556 556 ))) 557 557 558 558 ((( ... ... @@ -564,7 +564,7 @@ 564 564 ))) 565 565 566 566 ((( 567 -(% style="color:#4f81bd" %) **Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**548 +(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 568 568 ))) 569 569 570 570 1. ((( ... ... @@ -731,15 +731,15 @@ 731 731 732 732 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 733 733 734 -1. 735 -11. 715 +1. 716 +11. 736 736 111. Common Commands: 737 737 738 738 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]] 739 739 740 740 741 -1. 742 -11. 722 +1. 723 +11. 743 743 111. Sensor related commands: 744 744 745 745 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -1045,13 +1045,13 @@ 1045 1045 1046 1046 1047 1047 1048 -1. 1029 +1. 1049 1049 11. Buttons 1050 1050 1051 1051 |**Button**|**Feature** 1052 1052 |**RST**|Reboot RS485-BL 1053 1053 1054 -1. 1035 +1. 1055 1055 11. +3V3 Output 1056 1056 1057 1057 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -1069,7 +1069,7 @@ 1069 1069 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1070 1070 1071 1071 1072 -1. 1053 +1. 1073 1073 11. +5V Output 1074 1074 1075 1075 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -1089,13 +1089,13 @@ 1089 1089 1090 1090 1091 1091 1092 -1. 1073 +1. 1093 1093 11. LEDs 1094 1094 1095 1095 |**LEDs**|**Feature** 1096 1096 |**LED1**|Blink when device transmit a packet. 1097 1097 1098 -1. 1079 +1. 1099 1099 11. Switch Jumper 1100 1100 1101 1101 |**Switch Jumper**|**Feature** ... ... @@ -1141,7 +1141,7 @@ 1141 1141 1142 1142 1143 1143 1144 -1. 1125 +1. 1145 1145 11. Common AT Command Sequence 1146 1146 111. Multi-channel ABP mode (Use with SX1301/LG308) 1147 1147 ... ... @@ -1160,8 +1160,8 @@ 1160 1160 1161 1161 ATZ 1162 1162 1163 -1. 1164 -11. 1144 +1. 1145 +11. 1165 1165 111. Single-channel ABP mode (Use with LG01/LG02) 1166 1166 1167 1167 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1236,7 +1236,7 @@ 1236 1236 [[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]] 1237 1237 1238 1238 1239 -1. 1220 +1. 1240 1240 11. How to change the LoRa Frequency Bands/Region? 1241 1241 1242 1242 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1243,7 +1243,7 @@ 1243 1243 1244 1244 1245 1245 1246 -1. 1227 +1. 1247 1247 11. How many RS485-Slave can RS485-BL connects? 1248 1248 1249 1249 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]]. ... ... @@ -1260,7 +1260,7 @@ 1260 1260 1261 1261 1262 1262 1263 -1. 1244 +1. 1264 1264 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1265 1265 1266 1266 It might about the channels mapping. Please see for detail.