Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Mengting Qiu on 2025/07/14 09:59
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 35 added, 0 removed)
- 1653268091319-405.png
- 1653268155545-638.png
- 1653268227651-549.png
- 1653269403619-508.png
- 1653269438444-278.png
- 1653269551753-223.png
- 1653269568276-930.png
- 1653269593172-426.png
- 1653269618463-608.png
- 1653269759169-150.png
- 1653269916228-732.png
- 1653270130359-810.png
- 1654157178836-407.png
- 1654157342174-798.png
- 1654158783574-851.png
- 1654159460680-153.png
- 1654160691922-496.png
- 1654162355560-817.png
- 1654162368066-342.png
- 1654162478620-421.png
- 1654162535040-878.png
- image-20220602153621-1.png
- image-20220602153621-2.png
- image-20220602153621-3.png
- image-20220602155039-4.png
- image-20220602163333-5.png
- image-20220602165351-6.png
- image-20220602165351-7.png
- image-20220602171200-8.png
- image-20220602171200-9.png
- image-20220602175638-10.png
- image-20220602175743-11.png
- image-20220602175818-12.png
- image-20220602175848-13.png
- image-20220602175912-14.png
Details
- Page properties
-
- Content
-
... ... @@ -6,70 +6,70 @@ 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 -== 1.1 What is RS485- BL RS485 to LoRaWAN Converter ==23 +== 1.1 What is RS485-LN RS485 to LoRaWAN Converter == 18 18 19 19 ((( 20 - 21 -))) 22 - 23 23 ((( 24 -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. 25 -))) 26 - 27 27 ((( 28 - RS485-BLcaninterface to RS485 sensor,3.3v/5vUARTsensororinterrupt sensor.RS485-BLprovides**a3.3voutput** and** a 5voutput** topowerexternalsensors. Bothoutputvoltagesarecontrollabletominimizethetotalsystempowerconsumption.28 +The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 29 29 ))) 30 - 31 -((( 32 -RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years. 33 33 ))) 34 34 35 35 ((( 36 -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. 33 +((( 34 +RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. 37 37 ))) 36 +))) 38 38 39 39 ((( 40 -For data uplink, RS485-BL sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-BL will process these returns data according to user-define rules to get the final payload and upload to LoRaWAN server. 39 +((( 40 +(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server. 41 41 ))) 42 +))) 42 42 43 43 ((( 44 -For data downlink, RS485-BL runs in LoRaWAN Class A. When there is downlink commands from LoRaWAN server, RS485-BL will forward the commands from LoRaWAN server to RS485 devices. 45 +((( 46 +(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices. 45 45 ))) 46 46 47 47 ((( 48 - EachRS485-BL pre-loadwithaetofunique keysforLoRaWANregistration,register thesekeystoLoRaWAN serverandit willauto connectfter poweron.50 +(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]] 49 49 ))) 52 +))) 53 +))) 50 50 51 -[[image:165 2953304999-717.png||height="424" width="733"]]55 +[[image:1653267211009-519.png||height="419" width="724"]] 52 52 57 + 53 53 == 1.2 Specifications == 54 54 60 + 55 55 **Hardware System:** 56 56 57 57 * STM32L072CZT6 MCU 58 58 * SX1276/78 Wireless Chip 59 59 * Power Consumption (exclude RS485 device): 60 -** Idle: 6uA@3.3v 66 +** Idle: 32mA@12v 67 +** 20dB Transmit: 65mA@12v 61 61 62 -* 63 -** 20dB Transmit: 130mA@3.3v 64 - 65 65 **Interface for Model:** 66 66 67 -* 1 x RS485 Interface 68 -* 1 x TTL Serial , 3.3v or 5v. 69 -* 1 x I2C Interface, 3.3v or 5v. 70 -* 1 x one wire interface 71 -* 1 x Interrupt Interface 72 -* 1 x Controllable 5V output, max 71 +* RS485 72 +* Power Input 7~~ 24V DC. 73 73 74 74 **LoRa Spec:** 75 75 ... ... @@ -78,28 +78,33 @@ 78 78 ** Band 2 (LF): 410 ~~ 528 Mhz 79 79 * 168 dB maximum link budget. 80 80 * +20 dBm - 100 mW constant RF output vs. 81 +* +14 dBm high efficiency PA. 81 81 * Programmable bit rate up to 300 kbps. 82 82 * High sensitivity: down to -148 dBm. 83 83 * Bullet-proof front end: IIP3 = -12.5 dBm. 84 84 * Excellent blocking immunity. 86 +* Low RX current of 10.3 mA, 200 nA register retention. 85 85 * Fully integrated synthesizer with a resolution of 61 Hz. 86 -* LoRa modulation. 88 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 87 87 * Built-in bit synchronizer for clock recovery. 88 88 * Preamble detection. 89 89 * 127 dB Dynamic Range RSSI. 90 -* Automatic RF Sense and CAD with ultra-fast AFC. 92 +* Automatic RF Sense and CAD with ultra-fast AFC. 93 +* Packet engine up to 256 bytes with CRC 91 91 92 92 == 1.3 Features == 93 93 94 -* LoRaWAN Class A & Class C protocol (default Class A)97 +* LoRaWAN Class A & Class C protocol (default Class C) 95 95 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 96 96 * AT Commands to change parameters 97 -* Remote configure parameters via LoRa WANDownlink100 +* Remote configure parameters via LoRa Downlink 98 98 * Firmware upgradable via program port 99 99 * Support multiply RS485 devices by flexible rules 100 100 * Support Modbus protocol 101 -* Support Interrupt uplink 104 +* Support Interrupt uplink (Since hardware version v1.2) 102 102 106 + 107 + 103 103 == 1.4 Applications == 104 104 105 105 * Smart Buildings & Home Automation ... ... @@ -109,55 +109,50 @@ 109 109 * Smart Cities 110 110 * Smart Factory 111 111 117 + 118 + 112 112 == 1.5 Firmware Change log == 113 113 114 -[[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);"]]121 +[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 115 115 123 + 116 116 == 1.6 Hardware Change log == 117 117 118 118 ((( 119 -v1.4 120 -))) 121 - 122 122 ((( 123 -~1. Change Power IC to TPS22916 124 -))) 128 +v1.2: Add External Interrupt Pin. 125 125 130 +v1.0: Release 126 126 127 -((( 128 -v1.3 132 + 129 129 ))) 130 - 131 -((( 132 -~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire 133 133 ))) 134 134 136 += 2. Power ON Device = 135 135 136 136 ((( 137 -v1.2 138 -))) 139 +The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 139 139 141 +* Power Source VIN to RS485-LN VIN+ 142 +* Power Source GND to RS485-LN VIN- 143 + 140 140 ((( 141 - Releaseversion145 +Once there is power, the RS485-LN will be on. 142 142 ))) 143 143 144 - = 2. Pinmappingand Power ON Device =148 +[[image:1653268091319-405.png]] 145 145 146 -((( 147 -The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL. 150 + 148 148 ))) 149 149 150 -[[image:1652953055962-143.png||height="387" width="728"]] 151 - 152 - 153 -The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper. 154 - 155 155 = 3. Operation Mode = 156 156 157 157 == 3.1 How it works? == 158 158 159 159 ((( 160 -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. 158 +The RS485-LN is configured as LoRaWAN OTAA Class C 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-LN. It will auto join the network via OTAA. 159 + 160 + 161 161 ))) 162 162 163 163 == 3.2 Example to join LoRaWAN network == ... ... @@ -164,27 +164,37 @@ 164 164 165 165 Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 166 166 167 -[[image:1652 953414711-647.png||height="337" width="723"]]167 +[[image:1653268155545-638.png||height="334" width="724"]] 168 168 169 + 169 169 ((( 170 -The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. 171 +((( 172 +The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below: 171 171 ))) 172 172 173 173 ((( 174 - The LG308isalreadysettoconnectto [[TTN V3 network>>url:https://www.thethingsnetwork.org/]].So what we need to nowisonly configureheTTN V3:176 +485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively. 175 175 ))) 176 176 179 +[[image:1653268227651-549.png||height="592" width="720"]] 180 + 177 177 ((( 178 - **Step1**:CreateadeviceinTTN V3 withOTAAkeys fromRS485-BL.182 +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: 179 179 ))) 180 180 181 181 ((( 182 - Each RS485-BLisshipped withastickerwithuniquedeviceEUI:186 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 183 183 ))) 184 184 189 +((( 190 +Each RS485-LN is shipped with a sticker with unique device EUI: 191 +))) 192 +))) 193 + 185 185 [[image:1652953462722-299.png]] 186 186 187 187 ((( 197 +((( 188 188 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: 189 189 ))) 190 190 ... ... @@ -191,13 +191,11 @@ 191 191 ((( 192 192 Add APP EUI in the application. 193 193 ))) 204 +))) 194 194 195 - 196 - 197 - 198 198 [[image:image-20220519174512-1.png]] 199 199 200 -[[image:image-20220519174512-2.png||height="32 8" width="731"]]208 +[[image:image-20220519174512-2.png||height="323" width="720"]] 201 201 202 202 [[image:image-20220519174512-3.png||height="556" width="724"]] 203 203 ... ... @@ -213,44 +213,43 @@ 213 213 214 214 215 215 ((( 216 -**Step 2**: Power on RS485- BL and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.224 +**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 217 217 ))) 218 218 219 219 [[image:1652953568895-172.png||height="232" width="724"]] 220 220 229 + 221 221 == 3.3 Configure Commands to read data == 222 222 223 223 ((( 224 -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. 233 +((( 234 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 225 225 ))) 226 226 227 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 237 +((( 238 +(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 228 228 229 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 240 + 241 +))) 242 +))) 230 230 231 - **~1. RS485-MODBUSmode:**244 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 232 232 233 - AT+MOD=1~/~/Support RS485-MODBUStype sensors.Usercanconnect multiplyRS485,Modbus sensorstotheA/Bpins.246 +To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are: 234 234 235 -**2. TTL mode:** 236 - 237 -AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 238 - 239 -RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match. 240 - 241 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %) 242 -|((( 248 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %) 249 +|(% style="width:128px" %)((( 243 243 **AT Commands** 244 -)))|(% style="width: 285px" %)(((251 +)))|(% style="width:305px" %)((( 245 245 **Description** 246 -)))|(% style="width:34 7px" %)(((253 +)))|(% style="width:346px" %)((( 247 247 **Example** 248 248 ))) 249 -|((( 256 +|(% style="width:128px" %)((( 250 250 AT+BAUDR 251 -)))|(% style="width: 285px" %)(((258 +)))|(% style="width:305px" %)((( 252 252 Set the baud rate (for RS485 connection). Default Value is: 9600. 253 -)))|(% style="width:34 7px" %)(((260 +)))|(% style="width:346px" %)((( 254 254 ((( 255 255 AT+BAUDR=9600 256 256 ))) ... ... @@ -259,18 +259,12 @@ 259 259 Options: (1200,2400,4800,14400,19200,115200) 260 260 ))) 261 261 ))) 262 -|((( 269 +|(% style="width:128px" %)((( 263 263 AT+PARITY 264 -)))|(% style="width:285px" %)((( 265 -((( 271 +)))|(% style="width:305px" %)((( 266 266 Set UART parity (for RS485 connection) 267 -))) 268 - 273 +)))|(% style="width:346px" %)((( 269 269 ((( 270 -Default Value is: no parity. 271 -))) 272 -)))|(% style="width:347px" %)((( 273 -((( 274 274 AT+PARITY=0 275 275 ))) 276 276 ... ... @@ -278,17 +278,17 @@ 278 278 Option: 0: no parity, 1: odd parity, 2: even parity 279 279 ))) 280 280 ))) 281 -|((( 282 +|(% style="width:128px" %)((( 282 282 AT+STOPBIT 283 -)))|(% style="width: 285px" %)(((284 +)))|(% style="width:305px" %)((( 284 284 ((( 285 285 Set serial stopbit (for RS485 connection) 286 286 ))) 287 287 288 288 ((( 289 - DefaultValue is: 1bit.290 + 290 290 ))) 291 -)))|(% style="width:34 7px" %)(((292 +)))|(% style="width:346px" %)((( 292 292 ((( 293 293 AT+STOPBIT=0 for 1bit 294 294 ))) ... ... @@ -305,12 +305,10 @@ 305 305 === 3.3.2 Configure sensors === 306 306 307 307 ((( 308 -Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**. 309 -))) 310 - 311 311 ((( 312 - When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%)command,Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%)the RS485 or TTLsensors. This command will only run when user input it and won’t run during each sampling.310 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling. 313 313 ))) 312 +))) 314 314 315 315 (% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 316 316 |**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** ... ... @@ -322,82 +322,37 @@ 322 322 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 323 323 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 324 324 325 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]]. 326 - 327 327 === 3.3.3 Configure read commands for each sampling === 328 328 329 329 ((( 330 -RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink. 331 -))) 327 +During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload. 332 332 333 -((( 334 -During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload. 335 -))) 336 - 337 -((( 338 338 To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 339 -))) 340 340 341 -((( 342 342 This section describes how to achieve above goals. 343 -))) 344 344 345 -((( 346 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 347 -))) 333 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 348 348 349 -((( 350 -**Command from RS485-BL to Sensor:** 351 -))) 352 352 353 -((( 354 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 355 -))) 336 +**Each RS485 commands include two parts:** 356 356 357 -((( 358 -**Handle return from sensors to RS485-BL**: 359 -))) 338 +~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar. 360 360 361 -((( 362 -After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands** 363 -))) 340 +2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar. 364 364 365 -* ((( 366 -**AT+DATACUT** 367 -))) 342 +3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms 368 368 369 -((( 370 -When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command. 371 -))) 372 372 373 -* ((( 374 -**AT+SEARCH** 375 -))) 376 - 377 -((( 378 -When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string. 379 -))) 380 - 381 -((( 382 -**Define wait timeout:** 383 -))) 384 - 385 -((( 386 -Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms 387 -))) 388 - 389 -((( 390 390 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 391 -))) 392 392 393 -**Examples:** 394 394 395 395 Below are examples for the how above AT Commands works. 396 396 397 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 398 398 399 -(% border="1" class="table-bordered" %) 400 -|((( 351 +**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 352 + 353 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 354 +|(% style="width:496px" %)((( 401 401 **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 402 402 403 403 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** ... ... @@ -407,43 +407,13 @@ 407 407 408 408 For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually. 409 409 410 -In the RS485- BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.364 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 411 411 412 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 413 413 414 -(% border="1" class="table-bordered" %) 415 -|((( 416 -**AT+SEARCHx=aa,xx xx xx xx xx** 417 - 418 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 419 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 420 - 421 - 422 -))) 423 - 424 -Examples: 425 - 426 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 427 - 428 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 429 - 430 -The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49 431 - 432 -[[image:1652954654347-831.png]] 433 - 434 - 435 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 436 - 437 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49 438 - 439 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30 440 - 441 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]] 442 - 443 - 444 444 **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 445 445 446 -|((( 369 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %) 370 +|(% style="width:722px" %)((( 447 447 **AT+DATACUTx=a,b,c** 448 448 449 449 * **a: length for the return of AT+COMMAND** ... ... @@ -451,242 +451,184 @@ 451 451 * **c: define the position for valid value. ** 452 452 ))) 453 453 454 -Examples: 378 +**Examples:** 455 455 456 456 * Grab bytes: 457 457 458 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]382 +[[image:image-20220602153621-1.png]] 459 459 384 + 460 460 * Grab a section. 461 461 462 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]387 +[[image:image-20220602153621-2.png]] 463 463 389 + 464 464 * Grab different sections. 465 465 466 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]392 +[[image:image-20220602153621-3.png]] 467 467 394 + 395 +))) 468 468 469 - Note:397 +=== 3.3.4 Compose the uplink payload === 470 470 471 -AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0. 472 - 473 -Example: 474 - 475 -AT+COMMAND1=11 01 1E D0,0 476 - 477 -AT+SEARCH1=1,1E 56 34 478 - 479 -AT+DATACUT1=0,2,1~~5 480 - 481 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 482 - 483 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 484 - 485 -Valid payload after DataCUT command: 2e 30 58 5f 36 486 - 487 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]] 488 - 489 - 490 - 491 - 492 -1. 493 -11. 494 -111. Compose the uplink payload 495 - 399 +((( 496 496 Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.** 497 497 402 + 403 +))) 498 498 499 -**Examples: AT+DATAUP=0** 405 +((( 406 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 500 500 501 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**. 408 + 409 +))) 502 502 411 +((( 412 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**. 413 +))) 414 + 415 +((( 503 503 Final Payload is 417 +))) 504 504 505 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx 419 +((( 420 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx** 421 +))) 506 506 423 +((( 507 507 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 425 +))) 508 508 509 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]427 +[[image:1653269759169-150.png||height="513" width="716"]] 510 510 511 511 430 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 512 512 513 -**Examples: AT+DATAUP=1** 514 514 515 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**. 433 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 516 516 517 517 Final Payload is 518 518 519 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 437 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 520 520 521 -1. Battery Info (2 bytes): Battery voltage 522 -1. PAYVER (1 byte): Defined by AT+PAYVER 523 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 524 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 525 -1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes 526 526 527 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]] 440 +1. PAYVER: Defined by AT+PAYVER 441 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 442 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 443 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes 528 528 445 +[[image:image-20220602155039-4.png]] 529 529 530 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 531 531 532 - DATA1=RETURN1ValidValue=20200a339041448 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 533 533 534 -DATA 2=1^^st^^~~6^^th^^byteof Valid value of RETURN10= 02 aa0581 0a20450 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 535 535 536 -DATA 3=7^^th^^ ~~ 11^^th^^ bytesof Valid value of RETURN1020 20 20 2d30452 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 537 537 454 +DATA3=the rest of Valid value of RETURN10= **30** 538 538 539 539 540 - Beloware theuplinkpayloads:457 +(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below: 541 541 542 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]459 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 543 543 461 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 544 544 545 - Notice:theMaxbytesisaccordingto themaxsupportbytesin differentFrequencyBands forlowest SF.As below:463 + * For US915 band, max 11 bytes for each uplink. 546 546 547 - ~* For AU915/AS923bands,if UplinkDwell time=0, max 51 bytes for each uplink( so 51 -5 = 46 max valid date)465 + ~* For all other bands: max 51 bytes for each uplink. 548 548 549 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date). 550 550 551 - * ForUS915 band,max 11 bytes foreachuplink( so 11 -5 = 6 max valid date).468 +Below are the uplink payloads: 552 552 553 - ~* Forall other bands:max51bytes for each uplink ( so515 =46 max valid date).470 +[[image:1654157178836-407.png]] 554 554 555 555 473 +=== 3.3.5 Uplink on demand === 556 556 557 -1. 558 -11. 559 -111. Uplink on demand 475 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command. 560 560 561 -Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command. 562 - 563 563 Downlink control command: 564 564 565 - [[0x08 command>>path:#downlink_08]]:Poll an uplink with current command set in RS485-BL.479 +**0x08 command**: Poll an uplink with current command set in RS485-LN. 566 566 567 - [[0xA8 command>>path:#downlink_A8]]:Send a command to RS485-BL and uplink the output from sensors.481 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors. 568 568 569 569 570 570 571 -1. 572 -11. 573 -111. Uplink on Interrupt 485 +=== 3.3.6 Uplink on Interrupt === 574 574 575 - Put theinterruptsensorbetween3.3v_outand GPIOext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]487 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 576 576 577 - AT+INTMOD=0 DisableInterrupt489 +[[image:1654157342174-798.png]] 578 578 579 - AT+INTMOD=1Interrupt triggerbyrising orfallingedge.491 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet. 580 580 581 -AT+INTMOD=2 Interrupt trigger by falling edge. ( Default Value) 582 582 583 - AT+INTMOD=3Interrupt trigger by risingedge.494 +== 3.4 Uplink Payload == 584 584 585 - 586 -1. 587 -11. Uplink Payload 588 - 589 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 590 -|Value|((( 496 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %) 497 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands** 498 +|Value|(% style="width:120px" %)((( 591 591 Battery(mV) 592 592 593 593 & 594 594 595 595 Interrupt _Flag 596 -)))|((( 504 +)))|(% style="width:116px" %)((( 597 597 PAYLOAD_VER 598 598 599 599 600 -)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server. 508 +)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server. 601 601 602 602 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 603 603 604 604 605 -fu nctionDecoder(bytes,port){513 +== 3.5 Configure RS485-BL via AT or Downlink == 606 606 607 - ~/~/Payload Formatsof RS485-BL Deceive515 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 608 608 609 -return { 610 - 611 - ~/~/Battery,units:V 612 - 613 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 614 - 615 - ~/~/GPIO_EXTI 616 - 617 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 618 - 619 - ~/~/payload of version 620 - 621 - Pay_ver:bytes[2], 622 - 623 - }; 624 - 625 - } 626 - 627 - 628 - 629 - 630 - 631 - 632 - 633 -TTN V3 uplink screen shot. 634 - 635 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]] 636 - 637 -1. 638 -11. Configure RS485-BL via AT or Downlink 639 - 640 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 641 - 642 642 There are two kinds of Commands: 643 643 644 -* **Common Commands**: They should be available for each sensor, 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_Commands519 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 645 645 646 -* **Sensor Related Commands**: These commands are special designed for RS485- BL. User can see these commands below:521 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 647 647 648 -1. 649 -11. 650 -111. Common Commands: 523 +=== 3.5.1 Common Commands === 651 651 652 -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]]525 +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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 653 653 654 654 655 -1. 656 -11. 657 -111. Sensor related commands: 528 +=== 3.5.2 Sensor related commands === 658 658 659 - ==== ChooseDeviceType(RS485orTTL)====530 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server. 660 660 661 - RS485-BL can connect to either RS485sensors or TTL sensor.Userneed to specify whattype of sensor needo connect.532 +[[image:image-20220602163333-5.png||height="263" width="1160"]] 662 662 663 - *ATCommand534 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable) 664 664 665 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 666 666 667 - **AT+MOD=2**~/~/Set to support TTL Level sensors,Usercan connectoneTTL Sensor to the TXD/RXD/GND pins.537 +=== 3.5.3 Sensor related commands === 668 668 669 669 670 -* Downlink Payload 671 671 672 - **0Aaa**à same asAT+MOD=aa541 +==== **RS485 Debug Command** ==== 673 673 543 +This command is used to configure the RS485 devices; they won’t be used during sampling. 674 674 545 +* **AT Command** 675 675 676 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ==== 547 +(% class="box infomessage" %) 548 +((( 549 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 550 +))) 677 677 678 - This commandisused toconfiguretheRS485or TTL sensors;theywon’t beusedduringsampling.552 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 679 679 680 -* ATCommand554 +* **Downlink Payload** 681 681 682 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 683 - 684 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 685 - 686 - 687 - 688 -* Downlink Payload 689 - 690 690 Format: A8 MM NN XX XX XX XX YY 691 691 692 692 Where: ... ... @@ -694,9 +694,12 @@ 694 694 * MM: 1: add CRC-16/MODBUS ; 0: no CRC 695 695 * NN: The length of RS485 command 696 696 * XX XX XX XX: RS485 command total NN bytes 697 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 563 +* YY: How many bytes will be uplink from the return of this RS485 command, 564 +** if YY=0, RS485-LN will execute the downlink command without uplink; 565 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 566 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 698 698 699 -**Example 1 :**568 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 700 700 701 701 To connect a Modbus Alarm with below commands. 702 702 ... ... @@ -706,184 +706,190 @@ 706 706 707 707 So if user want to use downlink command to control to RS485 Alarm, he can use: 708 708 709 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 578 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 710 710 711 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 580 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 712 712 713 713 A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output. 714 714 715 715 716 -**Example 2 :**585 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 717 717 718 - CheckTTLSensorurn:587 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 719 719 720 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 721 721 590 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is: 722 722 592 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 723 723 594 + [[image:1654159460680-153.png]] 724 724 725 -==== Set Payload version ==== 726 726 727 -This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 728 728 729 -* AT Command:598 +==== **Set Payload version** ==== 730 730 731 - AT+PAYVER:Set PAYVER field=1600 +This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 732 732 602 +* **AT Command:** 733 733 734 -* Downlink Payload: 604 +(% class="box infomessage" %) 605 +((( 606 +**AT+PAYVER: Set PAYVER field = 1** 607 +))) 735 735 736 - 0xAE01à SetPAYVER field= 0x01609 +* **Downlink Payload:** 737 737 738 -0xAE 0 FàSet PAYVER field = 0x0F611 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 739 739 613 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 740 740 741 -==== Set RS485 Sampling Commands ==== 742 742 743 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 744 744 745 - Thesethree commands are usedtoconfigure how theRS485-BLpollingdata fromModbus device. Detail of usage please see : [[polling RS485device>>path:#polling_485]].617 +==== **Set RS485 Sampling Commands** ==== 746 746 619 +AT+COMMANDx or AT+DATACUTx 747 747 748 - * ATCommand:621 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 749 749 750 -AT+COMMANDx: Configure RS485 read command to sensor. 751 751 752 -AT +DATACUTx:Configure how to handle return from RS485 devices.624 +* **AT Command:** 753 753 754 -AT+SEARCHx: Configure search command 626 +(% class="box infomessage" %) 627 +((( 628 +**AT+COMMANDx: Configure RS485 read command to sensor.** 629 +))) 755 755 631 +(% class="box infomessage" %) 632 +((( 633 +**AT+DATACUTx: Configure how to handle return from RS485 devices.** 634 +))) 756 756 757 -* Downlink Payload: 758 758 759 - 0xAFdownlinkcommandcan be used to set AT+COMMANDx or AT+DATACUTx.637 +* **Downlink Payload:** 760 760 761 - Note: if user use AT+COMMANDxto add a new command,healso need to sendAT+DATACUTxdownlink.639 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 762 762 641 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 642 + 763 763 Format: AF MM NN LL XX XX XX XX YY 764 764 765 765 Where: 766 766 767 767 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 768 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 769 -* LL: The length of AT+COMMAND or AT+DATACUT command 648 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 649 +* LL: The length of AT+COMMAND or AT+DATACUT command 770 770 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 771 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485- BL will execute an uplink after got this command.651 +* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 772 772 773 -Example: 653 +**Example:** 774 774 775 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 655 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 776 776 777 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 657 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10** 778 778 779 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 659 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10** 780 780 781 781 782 -0xAB downlink command can be used for set AT+SEARCHx 783 783 784 - Example:**ABaa01 03 xx xx xx** (03 heremeanstherearetotal3 bytes after03) So663 +==== **Fast command to handle MODBUS device** ==== 785 785 786 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 787 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands 788 - 789 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 790 - 791 - 792 -==== Fast command to handle MODBUS device ==== 793 - 794 794 AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]]. 795 795 796 796 This command is valid since v1.3 firmware version 797 797 669 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 798 798 799 -AT+MBFUN has only two value: 800 800 801 -* AT+MBFUN=1:EnableModbus reading. And get response base on the MODBUS return672 +**Example:** 802 802 803 -AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 804 - 805 -* AT+MBFUN=0: Disable Modbus fast reading. 806 - 807 -Example: 808 - 809 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 674 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 810 810 * AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 811 811 * AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 812 812 813 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]678 +[[image:image-20220602165351-6.png]] 814 814 680 +[[image:image-20220602165351-7.png]] 815 815 816 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]] 817 817 818 818 819 -* Downlink Commands:684 +==== **RS485 command timeout** ==== 820 820 821 - A9aa-àSameasAT+MBFUN=aa686 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action. 822 822 688 +Default value: 0, range: 0 ~~ 65 seconds 823 823 824 - ====RS485commandtimeout ====690 +* **AT Command:** 825 825 826 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action. 692 +(% class="box infomessage" %) 693 +((( 694 +**AT+CMDDLaa=hex(bb cc)*1000** 695 +))) 827 827 828 - Default value:0, range: 0 ~~ 5 seconds697 +**Example:** 829 829 699 +**AT+CMDDL1=1000** to send the open time to 1000ms 830 830 831 -* AT Command: 832 832 833 - AT+CMDDLaa=hex(bb cc)702 +* **Downlink Payload:** 834 834 835 - Example:704 +**0x AA aa bb cc** 836 836 837 - **AT+CMDDL1=1000** to send theopen time to1000ms706 +Same as: AT+CMDDLaa=hex(bb cc)*1000 838 838 708 + **Example:** 839 839 840 - *DownlinkPayload:710 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 841 841 842 -0x AA aa bb cc 843 843 844 -Same as: AT+CMDDLaa=hex(bb cc) 845 845 846 - Example:714 +==== **Uplink payload mode** ==== 847 847 848 - 0xAA0103E8 à Sameas**AT+CMDDL1=1000ms**716 +Define to use one uplink or multiple uplinks for the sampling. 849 849 718 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 850 850 851 - ====[[Uplink>>path:#downlink_A8]]payloadmode ====720 +* **AT Command:** 852 852 853 -Define to use one uplink or multiple uplinks for the sampling. 722 +(% class="box infomessage" %) 723 +((( 724 +**AT+DATAUP=0** 725 +))) 854 854 855 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 727 +(% class="box infomessage" %) 728 +((( 729 +**AT+DATAUP=1** 730 +))) 856 856 857 -* AT Command: 858 858 859 - AT+DATAUP=0733 +* **Downlink Payload:** 860 860 861 -AT+DATAUP= 1735 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 862 862 737 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 863 863 864 -* Downlink Payload: 865 865 866 -0xAD 00 à Same as AT+DATAUP=0 867 867 868 - 0xAD01 à Same asAT+DATAUP=1741 +==== **Manually trigger an Uplink** ==== 869 869 743 +Ask device to send an uplink immediately. 870 870 871 - ====ManuallytriggeranUplink ====745 +* **AT Command:** 872 872 873 -A skdeviceto sendanuplinkimmediately.747 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 874 874 875 -* Downlink Payload: 876 876 877 - 0x08FF, RS485-BLwillimmediately sendan uplink.750 +* **Downlink Payload:** 878 878 752 +**0x08 FF**, RS485-LN will immediately send an uplink. 879 879 880 -==== Clear RS485 Command ==== 881 881 882 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 883 883 756 +==== **Clear RS485 Command** ==== 884 884 885 - *AT Command:758 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 886 886 760 +* **AT Command:** 761 + 887 887 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 888 888 889 889 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 ... ... @@ -891,43 +891,50 @@ 891 891 Example screen shot after clear all RS485 commands. 892 892 893 893 894 - 895 895 The uplink screen shot is: 896 896 897 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]771 +[[image:1654160691922-496.png]] 898 898 899 899 900 -* Downlink Payload: 774 +* **Downlink Payload:** 901 901 902 -0x09 aa bb same as AT+CMDEAR=aa,bb 776 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 903 903 904 904 905 -==== Set Serial Communication Parameters ==== 906 906 780 +==== **Set Serial Communication Parameters** ==== 781 + 907 907 Set the Rs485 serial communication parameters: 908 908 909 -* AT Command: 784 +* **AT Command:** 910 910 911 911 Set Baud Rate: 912 912 913 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 788 +(% class="box infomessage" %) 789 +((( 790 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 791 +))) 914 914 793 +Set UART Parity 915 915 916 -Set UART parity 795 +(% class="box infomessage" %) 796 +((( 797 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 798 +))) 917 917 918 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 919 - 920 - 921 921 Set STOPBIT 922 922 923 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 802 +(% class="box infomessage" %) 803 +((( 804 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 805 +))) 924 924 925 925 926 -* Downlink Payload: 808 +* **Downlink Payload:** 927 927 928 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 810 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 929 929 930 -Example: 812 +**Example:** 931 931 932 932 * A7 01 00 60 same as AT+BAUDR=9600 933 933 * A7 01 04 80 same as AT+BAUDR=115200 ... ... @@ -937,287 +937,317 @@ 937 937 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 938 938 939 939 940 -== ==Controloutputpowerduration====822 +== 3.6 Listening mode for RS485 network == 941 941 942 - Usercan settheoutputpowerdurationbeforeeach sampling.824 +This feature support since firmware v1.4 943 943 944 - *AT Command:826 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN. 945 945 946 - Example:828 +[[image:image-20220602171200-8.png||height="567" width="1007"]] 947 947 948 - AT+3V3T=1000 ~/~/ 3V3outputpower willopen1sbefore eachsampling.830 +To enable the listening mode, use can run the command AT+RXMODE. 949 949 950 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling. 951 951 833 +(% border="1" style="background-color:#ffffcc; width:500px" %) 834 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 835 +|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 836 +|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 837 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 838 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 952 952 953 -* LoRaWANDownlink Command:840 +**Downlink Command:** 954 954 955 -0 701aa bbSame as AT+5VT=(aa842 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 956 956 957 -07 02 aa bb Same as AT+3V3T=(aa bb) 958 958 845 +**Example**: 959 959 847 +The RS485-LN is set to AT+RXMODE=2,1000 960 960 849 +There is a two Modbus commands in the RS485 network as below: 961 961 962 -1. 963 -11. Buttons 851 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 964 964 965 -|**Button**|**Feature** 966 -|**RST**|Reboot RS485-BL 853 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 967 967 968 -1. 969 -11. +3V3 Output 855 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 970 970 971 - RS485-BL has a Controllable+3V3 output, user can use this output to power external sensor.857 +[[image:image-20220602171200-9.png]] 972 972 973 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 974 974 860 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 975 975 976 -The +3V3 output time can be controlled by AT Command. 977 977 978 - **AT+3V3T=1000**863 +== 3.7 Buttons == 979 979 980 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 981 981 866 +(% border="1" style="background-color:#f7faff; width:500px" %) 867 +|=**Button**|=(% style="width: 1420px;" %)**Feature** 868 +|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink** 869 +|**RST**|(% style="width:1420px" %)Reboot RS485 870 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 982 982 983 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 984 984 873 +== 3.8 LEDs == 985 985 986 -1. 987 -11. +5V Output 875 +(% border="1" style="background-color:#f7faff; width:500px" %) 876 +|=**LEDs**|=**Feature** 877 +|**PWR**|Always on if there is power 878 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 988 988 989 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 990 990 991 - The+5Voutput will be valid for everysampling. RS485-BL willenable+5V output before all sampling anddisable the +5v after all sampling.881 += 4. Case Study = 992 992 883 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] 993 993 994 -The 5V output time can be controlled by AT Command. 995 995 996 - **AT+5VT=1000**886 += 5. Use AT Command = 997 997 998 - Meansset5V valid time to have 1000ms.So, the real 5V output will actually have1000ms+samplingtimefor other sensors.888 +== 5.1 Access AT Command == 999 999 890 +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. 1000 1000 1001 - By default, theAT+5VT=0.If the external sensor which require 5v and require more time to get stable state, user can use this command to increase thepower ON durationfor this sensor.892 +[[image:1654162355560-817.png]] 1002 1002 1003 1003 895 +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: 1004 1004 897 +[[image:1654162368066-342.png]] 1005 1005 1006 -1. 1007 -11. LEDs 1008 1008 1009 -|**LEDs**|**Feature** 1010 -|**LED1**|Blink when device transmit a packet. 900 +More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1011 1011 1012 -1. 1013 -11. Switch Jumper 1014 1014 1015 -|**Switch Jumper**|**Feature** 1016 -|**SW1**|((( 1017 -ISP position: Upgrade firmware via UART 903 +== 5.2 Common AT Command Sequence == 1018 1018 1019 -Flash position: Configure device, check running status. 905 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 906 + 907 +If device has not joined network yet: 908 + 909 +(% class="box infomessage" %) 910 +((( 911 +**AT+FDR** 1020 1020 ))) 1021 -|**SW2**|((( 1022 -5V position: set to compatible with 5v I/O. 1023 1023 1024 -3.3v position: set to compatible with 3.3v I/O., 914 +(% class="box infomessage" %) 915 +((( 916 +**AT+NJM=0** 1025 1025 ))) 1026 1026 1027 -+3.3V: is always ON 919 +(% class="box infomessage" %) 920 +((( 921 +**ATZ** 922 +))) 1028 1028 1029 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 1030 1030 1031 - 1.CaseStudy925 +If device already joined network: 1032 1032 1033 -User can check this URL for some case studies. 927 +(% class="box infomessage" %) 928 +((( 929 +**AT+NJM=0** 930 +))) 1034 1034 1035 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]] 932 +(% class="box infomessage" %) 933 +((( 934 +**ATZ** 935 +))) 1036 1036 1037 1037 938 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1038 1038 1039 1039 1040 -1. Use AT Command 1041 -11. Access AT Command 941 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1042 1042 1043 - RS485-BLsupports AT Commandset. Usercan use a USB toTTL adapter plus the 3.5mm Program Cable toconnecttoRS485-BLtouseATcommand, as below.943 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 1044 1044 1045 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]945 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 1046 1046 947 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 1047 1047 1048 - In PC, User needs to set **serial tool**(suchas[[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baudrate to**9600**toaccesstoaccess serialconsoleof RS485-BL. The defaultpasswordis 123456.Below istheutput for reference:949 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1049 1049 1050 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]951 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1051 1051 953 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1052 1052 955 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1053 1053 1054 - MoredetailATCommandmanualcan be foundat[[AT CommandManual>>path:#AT_COMMAND]]957 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1055 1055 959 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1056 1056 1057 1057 1058 -1. 1059 -11. Common AT Command Sequence 1060 -111. Multi-channel ABP mode (Use with SX1301/LG308) 962 +(% style="color:red" %)**Note:** 1061 1061 1062 -If device has not joined network yet: 964 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 965 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 966 +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. 967 +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 1063 1063 1064 - AT+FDR969 +[[image:1654162478620-421.png]] 1065 1065 1066 -AT+NJM=0 1067 1067 1068 -A TZ972 += 6. FAQ = 1069 1069 974 +== 6.1 How to upgrade the image? == 1070 1070 1071 - Ifdevice alreadyjoinednetwork:976 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1072 1072 1073 -AT+NJM=0 978 +* Support new features 979 +* For bug fix 980 +* Change LoRaWAN bands. 1074 1074 1075 - ATZ982 +Below shows the hardware connection for how to upload an image to RS485-LN: 1076 1076 1077 -1. 1078 -11. 1079 -111. Single-channel ABP mode (Use with LG01/LG02) 984 +[[image:1654162535040-878.png]] 1080 1080 1081 - AT+FDRResetParametersFactory Default, KeysReserve986 +**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]]. 1082 1082 1083 - AT+NJM=0SettoABPmode988 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1084 1084 1085 - AT+ADR=0Set theAdaptiveDataRateOff990 +**Step3: **Open flashloader; choose the correct COM port to update. 1086 1086 1087 -AT+DR=5 Set Data Rate 992 +((( 993 +(% 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. 994 +))) 1088 1088 1089 -AT+TDC=60000 Set transmit interval to 60 seconds 1090 1090 1091 - AT+CHS=868400000 Set transmit frequency to 868.4Mhz997 +[[image:image-20220602175818-12.png]] 1092 1092 1093 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1094 1094 1095 - AT+RX2DR=5 Set RX2DR tomatch thedownlink DR fromserver.see below1000 +[[image:image-20220602175848-13.png]] 1096 1096 1097 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1098 1098 1099 - ATZ Reset MCU1003 +[[image:image-20220602175912-14.png]] 1100 1100 1101 -**Note:** 1102 1102 1103 -1. Make sure the device is set to ABP mode in the IoT Server. 1104 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1105 -1. 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. 1106 -1. 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 1006 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1107 1107 1108 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]1008 +[[image:image-20220602175638-10.png]] 1109 1109 1110 1110 1111 -1. FAQ 1112 -11. How to upgrade the image? 1011 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1113 1113 1114 - TheRS485-BL LoRaWANControllerisshippedwith5mmcable,thecableisusedtoupload imagetoRS485-BL to:1013 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1115 1115 1116 -* Support new features 1117 -* For bug fix 1118 -* Change LoRaWAN bands. 1119 1119 1120 - Belowshowsthe hardware connectionfor how to uploadanimage toRS485-BL:1016 +== 6.3 How many RS485-Slave can RS485-BL connects? == 1121 1121 1122 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1018 +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"]]. 1123 1123 1124 -**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]]. 1125 1125 1126 - **Step2**:Downloadthe [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1021 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1127 1127 1128 - **Step3: **Openflashloader;choose thecorrectCOM porttoupdate.1023 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1129 1129 1025 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1130 1130 1131 -|((( 1132 -HOLD PRO then press the RST button, SYS will be ON, then click next 1133 -))) 1134 1134 1135 -|((( 1136 -Board detected 1137 -))) 1028 += 7. Trouble Shooting = 1138 1138 1139 -|((( 1140 - 1141 -))) 1030 +== 7.1 Downlink doesn’t work, how to solve it? == 1142 1142 1143 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]1032 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1144 1144 1145 1145 1035 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1146 1146 1147 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]]mage:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]1037 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1148 1148 1149 1149 1150 - [[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]]1040 += 8. Order Info = 1151 1151 1042 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1152 1152 1153 -1. 1154 -11. How to change the LoRa Frequency Bands/Region? 1044 +(% style="color:blue" %)**XXX:** 1155 1155 1156 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. 1046 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1047 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1048 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1049 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1050 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1051 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1052 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1053 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1054 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1055 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1157 1157 1158 1158 1159 1159 1160 -1. 1161 -11. How many RS485-Slave can RS485-BL connects? 1059 += 9.Packing Info = 1162 1162 1163 -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]]. 1164 1164 1062 +**Package Includes**: 1165 1165 1064 +* RS485-LN x 1 1065 +* Stick Antenna for LoRa RF part x 1 1066 +* Program cable x 1 1166 1166 1068 +**Dimension and weight**: 1167 1167 1168 -1. Trouble Shooting 1169 -11. Downlink doesn’t work, how to solve it? 1070 +* Device Size: 13.5 x 7 x 3 cm 1071 +* Device Weight: 105g 1072 +* Package Size / pcs : 14.5 x 8 x 5 cm 1073 +* Weight / pcs : 170g 1170 1170 1171 -Please see this link for debug: 1172 1172 1173 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 1174 1174 1077 += 10. FCC Caution for RS485LN-US915 = 1175 1175 1079 +((( 1080 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1081 +))) 1176 1176 1177 -1. 1178 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1083 +((( 1084 +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. 1085 +))) 1179 1179 1180 -It might about the channels mapping. Please see for detail. 1087 +((( 1088 + 1089 +))) 1181 1181 1182 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]] 1091 +((( 1092 +**IMPORTANT NOTE:** 1093 +))) 1183 1183 1095 +((( 1096 +**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: 1097 +))) 1184 1184 1099 +((( 1100 +—Reorient or relocate the receiving antenna. 1101 +))) 1185 1185 1186 -1. Order Info 1103 +((( 1104 +—Increase the separation between the equipment and receiver. 1105 +))) 1187 1187 1188 -**Part Number: RS485-BL-XXX** 1107 +((( 1108 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1109 +))) 1189 1189 1190 -**XXX:** 1111 +((( 1112 +—Consult the dealer or an experienced radio/TV technician for help. 1113 +))) 1191 1191 1192 -* **EU433**: frequency bands EU433 1193 -* **EU868**: frequency bands EU868 1194 -* **KR920**: frequency bands KR920 1195 -* **CN470**: frequency bands CN470 1196 -* **AS923**: frequency bands AS923 1197 -* **AU915**: frequency bands AU915 1198 -* **US915**: frequency bands US915 1199 -* **IN865**: frequency bands IN865 1200 -* **RU864**: frequency bands RU864 1201 -* **KZ865: **frequency bands KZ865 1115 +((( 1116 + 1117 +))) 1202 1202 1203 -1. Packing Info 1119 +((( 1120 +**FCC Radiation Exposure Statement:** 1121 +))) 1204 1204 1205 -**Package Includes**: 1123 +((( 1124 +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. 1125 +))) 1206 1206 1207 -* RS485-BL x 1 1208 -* Stick Antenna for LoRa RF part x 1 1209 -* Program cable x 1 1210 1210 1211 - **Dimensionandweight**:1128 += 11. Support = 1212 1212 1213 -* Device Size: 13.5 x 7 x 3 cm 1214 -* Device Weight: 105g 1215 -* Package Size / pcs : 14.5 x 8 x 5 cm 1216 -* Weight / pcs : 170g 1217 - 1218 -1. Support 1219 - 1220 -* 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. 1221 -* 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 1222 - 1223 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1130 +* ((( 1131 +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. 1132 +))) 1133 +* ((( 1134 +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]]. 1135 +)))
- 1653268091319-405.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +399.3 KB - Content
- 1653268155545-638.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +113.7 KB - Content
- 1653268227651-549.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +1.3 MB - Content
- 1653269403619-508.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +27.8 KB - Content
- 1653269438444-278.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +26.6 KB - Content
- 1653269551753-223.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +138.7 KB - Content
- 1653269568276-930.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +131.4 KB - Content
- 1653269593172-426.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +142.6 KB - Content
- 1653269618463-608.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +27.7 KB - Content
- 1653269759169-150.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +294.0 KB - Content
- 1653269916228-732.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +143.3 KB - Content
- 1653270130359-810.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +197.8 KB - Content
- 1654157178836-407.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +179.9 KB - Content
- 1654157342174-798.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +31.9 KB - Content
- 1654158783574-851.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +40.6 KB - Content
- 1654159460680-153.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +24.9 KB - Content
- 1654160691922-496.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +109.3 KB - Content
- 1654162355560-817.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +670.0 KB - Content
- 1654162368066-342.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +192.9 KB - Content
- 1654162478620-421.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +158.9 KB - Content
- 1654162535040-878.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +670.0 KB - Content
- image-20220602153621-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +23.4 KB - Content
- image-20220602153621-2.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +22.2 KB - Content
- image-20220602153621-3.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +22.3 KB - Content
- image-20220602155039-4.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +24.6 KB - Content
- image-20220602163333-5.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +48.2 KB - Content
- image-20220602165351-6.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +10.6 KB - Content
- image-20220602165351-7.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +19.3 KB - Content
- image-20220602171200-8.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +276.1 KB - Content
- image-20220602171200-9.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +10.0 KB - Content
- image-20220602175638-10.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +85.5 KB - Content
- image-20220602175743-11.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +85.5 KB - Content
- image-20220602175818-12.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +102.5 KB - Content
- image-20220602175848-13.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +250.9 KB - Content
- image-20220602175912-14.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Xiaoling - Size
-
... ... @@ -1,0 +1,1 @@ 1 +176.1 KB - Content