Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Mengting Qiu on 2025/07/14 09:59
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... ... @@ -6,12 +6,18 @@ 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 17 == 1.1 What is RS485-LN RS485 to LoRaWAN Converter == ... ... @@ -18,44 +18,52 @@ 18 18 19 19 ((( 20 20 ((( 21 -The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 27 +((( 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. 22 22 ))) 30 +))) 23 23 24 24 ((( 25 -RS485-LN allows user to 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. 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. 26 26 ))) 36 +))) 27 27 28 28 ((( 29 -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. 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. 30 30 ))) 42 +))) 31 31 32 32 ((( 33 -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 +((( 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. 34 34 ))) 48 + 49 +((( 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]] 35 35 ))) 52 +))) 53 +))) 36 36 37 37 [[image:1653267211009-519.png||height="419" width="724"]] 38 38 57 + 39 39 == 1.2 Specifications == 40 40 60 + 41 41 **Hardware System:** 42 42 43 43 * STM32L072CZT6 MCU 44 44 * SX1276/78 Wireless Chip 45 45 * Power Consumption (exclude RS485 device): 46 -** Idle: 6uA@3.3v 66 +** Idle: 32mA@12v 67 +** 20dB Transmit: 65mA@12v 47 47 48 -* 49 -** 20dB Transmit: 130mA@3.3v 50 - 51 51 **Interface for Model:** 52 52 53 -* 1 x RS485 Interface 54 -* 1 x TTL Serial , 3.3v or 5v. 55 -* 1 x I2C Interface, 3.3v or 5v. 56 -* 1 x one wire interface 57 -* 1 x Interrupt Interface 58 -* 1 x Controllable 5V output, max 71 +* RS485 72 +* Power Input 7~~ 24V DC. 59 59 60 60 **LoRa Spec:** 61 61 ... ... @@ -64,28 +64,33 @@ 64 64 ** Band 2 (LF): 410 ~~ 528 Mhz 65 65 * 168 dB maximum link budget. 66 66 * +20 dBm - 100 mW constant RF output vs. 81 +* +14 dBm high efficiency PA. 67 67 * Programmable bit rate up to 300 kbps. 68 68 * High sensitivity: down to -148 dBm. 69 69 * Bullet-proof front end: IIP3 = -12.5 dBm. 70 70 * Excellent blocking immunity. 86 +* Low RX current of 10.3 mA, 200 nA register retention. 71 71 * Fully integrated synthesizer with a resolution of 61 Hz. 72 -* LoRa modulation. 88 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 73 73 * Built-in bit synchronizer for clock recovery. 74 74 * Preamble detection. 75 75 * 127 dB Dynamic Range RSSI. 76 -* 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 77 77 78 78 == 1.3 Features == 79 79 80 -* LoRaWAN Class A & Class C protocol (default Class A)97 +* LoRaWAN Class A & Class C protocol (default Class C) 81 81 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 82 82 * AT Commands to change parameters 83 -* Remote configure parameters via LoRa WANDownlink100 +* Remote configure parameters via LoRa Downlink 84 84 * Firmware upgradable via program port 85 85 * Support multiply RS485 devices by flexible rules 86 86 * Support Modbus protocol 87 -* Support Interrupt uplink 104 +* Support Interrupt uplink (Since hardware version v1.2) 88 88 106 + 107 + 89 89 == 1.4 Applications == 90 90 91 91 * Smart Buildings & Home Automation ... ... @@ -97,53 +97,46 @@ 97 97 98 98 == 1.5 Firmware Change log == 99 99 100 -[[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);"]]119 +[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 101 101 121 + 102 102 == 1.6 Hardware Change log == 103 103 104 104 ((( 105 -v1.4 106 -))) 107 - 108 108 ((( 109 -~1. Change Power IC to TPS22916 110 -))) 126 +v1.2: Add External Interrupt Pin. 111 111 128 +v1.0: Release 112 112 113 -((( 114 -v1.3 130 + 115 115 ))) 116 - 117 -((( 118 -~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire 119 119 ))) 120 120 134 += 2. Power ON Device = 121 121 122 122 ((( 123 -v1.2 124 -))) 137 +The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 125 125 139 +* Power Source VIN to RS485-LN VIN+ 140 +* Power Source GND to RS485-LN VIN- 141 + 126 126 ((( 127 - Releaseversion143 +Once there is power, the RS485-LN will be on. 128 128 ))) 129 129 130 - = 2. Pinmappingand Power ON Device =146 +[[image:1653268091319-405.png]] 131 131 132 -((( 133 -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. 148 + 134 134 ))) 135 135 136 -[[image:1652953055962-143.png||height="387" width="728"]] 137 - 138 - 139 -The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper. 140 - 141 141 = 3. Operation Mode = 142 142 143 143 == 3.1 How it works? == 144 144 145 145 ((( 146 -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. 156 +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. 157 + 158 + 147 147 ))) 148 148 149 149 == 3.2 Example to join LoRaWAN network == ... ... @@ -150,27 +150,37 @@ 150 150 151 151 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. 152 152 153 -[[image:1652 953414711-647.png||height="337" width="723"]]165 +[[image:1653268155545-638.png||height="334" width="724"]] 154 154 167 + 155 155 ((( 156 -The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. 169 +((( 170 +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: 157 157 ))) 158 158 159 159 ((( 160 - The LG308isalreadysettoconnectto [[TTN V3 network>>url:https://www.thethingsnetwork.org/]].So what we need to nowisonly configureheTTN V3:174 +485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively. 161 161 ))) 162 162 177 +[[image:1653268227651-549.png||height="592" width="720"]] 178 + 163 163 ((( 164 - **Step1**:CreateadeviceinTTN V3 withOTAAkeys fromRS485-BL.180 +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: 165 165 ))) 166 166 167 167 ((( 168 - Each RS485-BLisshipped withastickerwithuniquedeviceEUI:184 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 169 169 ))) 170 170 187 +((( 188 +Each RS485-LN is shipped with a sticker with unique device EUI: 189 +))) 190 +))) 191 + 171 171 [[image:1652953462722-299.png]] 172 172 173 173 ((( 195 +((( 174 174 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: 175 175 ))) 176 176 ... ... @@ -177,13 +177,11 @@ 177 177 ((( 178 178 Add APP EUI in the application. 179 179 ))) 202 +))) 180 180 181 - 182 - 183 - 184 184 [[image:image-20220519174512-1.png]] 185 185 186 -[[image:image-20220519174512-2.png||height="32 8" width="731"]]206 +[[image:image-20220519174512-2.png||height="323" width="720"]] 187 187 188 188 [[image:image-20220519174512-3.png||height="556" width="724"]] 189 189 ... ... @@ -199,44 +199,43 @@ 199 199 200 200 201 201 ((( 202 -**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.222 +**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. 203 203 ))) 204 204 205 205 [[image:1652953568895-172.png||height="232" width="724"]] 206 206 227 + 207 207 == 3.3 Configure Commands to read data == 208 208 209 209 ((( 210 -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. 231 +((( 232 +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. 211 211 ))) 212 212 213 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 235 +((( 236 +(% 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 v1.1 214 214 215 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 238 + 239 +))) 240 +))) 216 216 217 - **~1. RS485-MODBUSmode:**242 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 218 218 219 - AT+MOD=1~/~/Support RS485-MODBUStype sensors.Usercanconnect multiplyRS485,Modbus sensorstotheA/Bpins.244 +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: 220 220 221 -**2. TTL mode:** 222 - 223 -AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 224 - 225 -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. 226 - 227 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %) 228 -|((( 246 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %) 247 +|(% style="width:128px" %)((( 229 229 **AT Commands** 230 -)))|(% style="width: 285px" %)(((249 +)))|(% style="width:305px" %)((( 231 231 **Description** 232 -)))|(% style="width:34 7px" %)(((251 +)))|(% style="width:346px" %)((( 233 233 **Example** 234 234 ))) 235 -|((( 254 +|(% style="width:128px" %)((( 236 236 AT+BAUDR 237 -)))|(% style="width: 285px" %)(((256 +)))|(% style="width:305px" %)((( 238 238 Set the baud rate (for RS485 connection). Default Value is: 9600. 239 -)))|(% style="width:34 7px" %)(((258 +)))|(% style="width:346px" %)((( 240 240 ((( 241 241 AT+BAUDR=9600 242 242 ))) ... ... @@ -245,18 +245,12 @@ 245 245 Options: (1200,2400,4800,14400,19200,115200) 246 246 ))) 247 247 ))) 248 -|((( 267 +|(% style="width:128px" %)((( 249 249 AT+PARITY 250 -)))|(% style="width:285px" %)((( 251 -((( 269 +)))|(% style="width:305px" %)((( 252 252 Set UART parity (for RS485 connection) 253 -))) 254 - 271 +)))|(% style="width:346px" %)((( 255 255 ((( 256 -Default Value is: no parity. 257 -))) 258 -)))|(% style="width:347px" %)((( 259 -((( 260 260 AT+PARITY=0 261 261 ))) 262 262 ... ... @@ -264,17 +264,17 @@ 264 264 Option: 0: no parity, 1: odd parity, 2: even parity 265 265 ))) 266 266 ))) 267 -|((( 280 +|(% style="width:128px" %)((( 268 268 AT+STOPBIT 269 -)))|(% style="width: 285px" %)(((282 +)))|(% style="width:305px" %)((( 270 270 ((( 271 271 Set serial stopbit (for RS485 connection) 272 272 ))) 273 273 274 274 ((( 275 - DefaultValue is: 1bit.288 + 276 276 ))) 277 -)))|(% style="width:34 7px" %)(((290 +)))|(% style="width:346px" %)((( 278 278 ((( 279 279 AT+STOPBIT=0 for 1bit 280 280 ))) ... ... @@ -291,12 +291,10 @@ 291 291 === 3.3.2 Configure sensors === 292 292 293 293 ((( 294 -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**. 295 -))) 296 - 297 297 ((( 298 - 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.308 +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. 299 299 ))) 310 +))) 300 300 301 301 (% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 302 302 |**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** ... ... @@ -308,82 +308,37 @@ 308 308 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 309 309 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 310 310 311 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]]. 312 - 313 313 === 3.3.3 Configure read commands for each sampling === 314 314 315 315 ((( 316 -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. 317 -))) 325 +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. 318 318 319 -((( 320 -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. 321 -))) 322 - 323 -((( 324 324 To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 325 -))) 326 326 327 -((( 328 328 This section describes how to achieve above goals. 329 -))) 330 330 331 -((( 332 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 333 -))) 331 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 334 334 335 -((( 336 -**Command from RS485-BL to Sensor:** 337 -))) 338 338 339 -((( 340 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 341 -))) 334 +**Each RS485 commands include two parts:** 342 342 343 -((( 344 -**Handle return from sensors to RS485-BL**: 345 -))) 336 +~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. 346 346 347 -((( 348 -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** 349 -))) 338 +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. 350 350 351 -* ((( 352 -**AT+DATACUT** 353 -))) 340 +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 354 354 355 -((( 356 -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. 357 -))) 358 358 359 -* ((( 360 -**AT+SEARCH** 361 -))) 362 - 363 -((( 364 -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. 365 -))) 366 - 367 -((( 368 -**Define wait timeout:** 369 -))) 370 - 371 -((( 372 -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 373 -))) 374 - 375 -((( 376 376 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 377 -))) 378 378 379 -**Examples:** 380 380 381 381 Below are examples for the how above AT Commands works. 382 382 383 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 384 384 385 -(% border="1" class="table-bordered" %) 386 -|((( 349 +**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 350 + 351 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 352 +|(% style="width:496px" %)((( 387 387 **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 388 388 389 389 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** ... ... @@ -393,43 +393,13 @@ 393 393 394 394 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. 395 395 396 -In the RS485- BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.362 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 397 397 398 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 399 399 400 -(% border="1" class="table-bordered" %) 401 -|((( 402 -**AT+SEARCHx=aa,xx xx xx xx xx** 403 - 404 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 405 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 406 - 407 - 408 -))) 409 - 410 -Examples: 411 - 412 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 413 - 414 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 415 - 416 -The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49 417 - 418 -[[image:1652954654347-831.png]] 419 - 420 - 421 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 422 - 423 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49 424 - 425 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30 426 - 427 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]] 428 - 429 - 430 430 **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 431 431 432 -|((( 367 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %) 368 +|(% style="width:722px" %)((( 433 433 **AT+DATACUTx=a,b,c** 434 434 435 435 * **a: length for the return of AT+COMMAND** ... ... @@ -437,242 +437,184 @@ 437 437 * **c: define the position for valid value. ** 438 438 ))) 439 439 440 -Examples: 376 +**Examples:** 441 441 442 442 * Grab bytes: 443 443 444 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]380 +[[image:image-20220602153621-1.png]] 445 445 382 + 446 446 * Grab a section. 447 447 448 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]385 +[[image:image-20220602153621-2.png]] 449 449 387 + 450 450 * Grab different sections. 451 451 452 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]390 +[[image:image-20220602153621-3.png]] 453 453 392 + 393 +))) 454 454 455 - Note:395 +=== 3.3.4 Compose the uplink payload === 456 456 457 -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. 458 - 459 -Example: 460 - 461 -AT+COMMAND1=11 01 1E D0,0 462 - 463 -AT+SEARCH1=1,1E 56 34 464 - 465 -AT+DATACUT1=0,2,1~~5 466 - 467 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 468 - 469 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 470 - 471 -Valid payload after DataCUT command: 2e 30 58 5f 36 472 - 473 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]] 474 - 475 - 476 - 477 - 478 -1. 479 -11. 480 -111. Compose the uplink payload 481 - 397 +((( 482 482 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.** 483 483 400 + 401 +))) 484 484 485 -**Examples: AT+DATAUP=0** 403 +((( 404 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 486 486 487 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**. 406 + 407 +))) 488 488 409 +((( 410 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**. 411 +))) 412 + 413 +((( 489 489 Final Payload is 415 +))) 490 490 491 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx 417 +((( 418 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx** 419 +))) 492 492 421 +((( 493 493 Where PAYVER is defined by AT+PAYVER, below is an example screen shot. 423 +))) 494 494 495 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]425 +[[image:1653269759169-150.png||height="513" width="716"]] 496 496 497 497 428 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 498 498 499 -**Examples: AT+DATAUP=1** 500 500 501 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**. 431 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 502 502 503 503 Final Payload is 504 504 505 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 435 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 506 506 507 -1. Battery Info (2 bytes): Battery voltage 508 -1. PAYVER (1 byte): Defined by AT+PAYVER 509 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 510 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 511 -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 512 512 513 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]] 438 +1. PAYVER: Defined by AT+PAYVER 439 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 440 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 441 +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 514 514 443 +[[image:image-20220602155039-4.png]] 515 515 516 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 517 517 518 - DATA1=RETURN1ValidValue=20200a339041446 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 519 519 520 -DATA 2=1^^st^^~~6^^th^^byteof Valid value of RETURN10= 02 aa0581 0a20448 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 521 521 522 -DATA 3=7^^th^^ ~~ 11^^th^^ bytesof Valid value of RETURN1020 20 20 2d30450 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 523 523 452 +DATA3=the rest of Valid value of RETURN10= **30** 524 524 525 525 526 - Beloware theuplinkpayloads:455 +(% 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: 527 527 528 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]457 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 529 529 459 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 530 530 531 - Notice:theMaxbytesisaccordingto themaxsupportbytesin differentFrequencyBands forlowest SF.As below:461 + * For US915 band, max 11 bytes for each uplink. 532 532 533 - ~* For AU915/AS923bands,if UplinkDwell time=0, max 51 bytes for each uplink( so 51 -5 = 46 max valid date)463 + ~* For all other bands: max 51 bytes for each uplink. 534 534 535 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date). 536 536 537 - * ForUS915 band,max 11 bytes foreachuplink( so 11 -5 = 6 max valid date).466 +Below are the uplink payloads: 538 538 539 - ~* Forall other bands:max51bytes for each uplink ( so515 =46 max valid date).468 +[[image:1654157178836-407.png]] 540 540 541 541 471 +=== 3.3.5 Uplink on demand === 542 542 543 -1. 544 -11. 545 -111. Uplink on demand 473 +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. 546 546 547 -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. 548 - 549 549 Downlink control command: 550 550 551 - [[0x08 command>>path:#downlink_08]]:Poll an uplink with current command set in RS485-BL.477 +**0x08 command**: Poll an uplink with current command set in RS485-LN. 552 552 553 - [[0xA8 command>>path:#downlink_A8]]:Send a command to RS485-BL and uplink the output from sensors.479 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors. 554 554 555 555 556 556 557 -1. 558 -11. 559 -111. Uplink on Interrupt 483 +=== 3.3.6 Uplink on Interrupt === 560 560 561 - Put theinterruptsensorbetween3.3v_outand GPIOext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]485 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 562 562 563 - AT+INTMOD=0 DisableInterrupt487 +[[image:1654157342174-798.png]] 564 564 565 - AT+INTMOD=1Interrupt triggerbyrising orfallingedge.489 +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. 566 566 567 -AT+INTMOD=2 Interrupt trigger by falling edge. ( Default Value) 568 568 569 - AT+INTMOD=3Interrupt trigger by risingedge.492 +== 3.4 Uplink Payload == 570 570 571 - 572 -1. 573 -11. Uplink Payload 574 - 575 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 576 -|Value|((( 494 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %) 495 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands** 496 +|Value|(% style="width:120px" %)((( 577 577 Battery(mV) 578 578 579 579 & 580 580 581 581 Interrupt _Flag 582 -)))|((( 502 +)))|(% style="width:116px" %)((( 583 583 PAYLOAD_VER 584 584 585 585 586 -)))|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. 506 +)))|(% 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. 587 587 588 588 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 589 589 590 590 591 -fu nctionDecoder(bytes,port){511 +== 3.5 Configure RS485-BL via AT or Downlink == 592 592 593 - ~/~/Payload Formatsof RS485-BL Deceive513 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 594 594 595 -return { 596 - 597 - ~/~/Battery,units:V 598 - 599 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 600 - 601 - ~/~/GPIO_EXTI 602 - 603 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 604 - 605 - ~/~/payload of version 606 - 607 - Pay_ver:bytes[2], 608 - 609 - }; 610 - 611 - } 612 - 613 - 614 - 615 - 616 - 617 - 618 - 619 -TTN V3 uplink screen shot. 620 - 621 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]] 622 - 623 -1. 624 -11. Configure RS485-BL via AT or Downlink 625 - 626 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 627 - 628 628 There are two kinds of Commands: 629 629 630 -* **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_Commands517 +* (% 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]] 631 631 632 -* **Sensor Related Commands**: These commands are special designed for RS485- BL. User can see these commands below:519 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 633 633 634 -1. 635 -11. 636 -111. Common Commands: 521 +=== 3.5.1 Common Commands === 637 637 638 -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]]523 +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]] 639 639 640 640 641 -1. 642 -11. 643 -111. Sensor related commands: 526 +=== 3.5.2 Sensor related commands === 644 644 645 - ==== ChooseDeviceType(RS485orTTL)====528 +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. 646 646 647 - RS485-BL can connect to either RS485sensors or TTL sensor.Userneed to specify whattype of sensor needo connect.530 +[[image:image-20220602163333-5.png||height="263" width="1160"]] 648 648 649 - *ATCommand532 +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) 650 650 651 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 652 652 653 - **AT+MOD=2**~/~/Set to support TTL Level sensors,Usercan connectoneTTL Sensor to the TXD/RXD/GND pins.535 +=== 3.5.3 Sensor related commands === 654 654 655 655 656 -* Downlink Payload 657 657 658 - **0Aaa**à same asAT+MOD=aa539 +==== **RS485 Debug Command** ==== 659 659 541 +This command is used to configure the RS485 devices; they won’t be used during sampling. 660 660 543 +* **AT Command** 661 661 662 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ==== 545 +(% class="box infomessage" %) 546 +((( 547 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 548 +))) 663 663 664 - This commandisused toconfiguretheRS485or TTL sensors;theywon’t beusedduringsampling.550 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 665 665 666 -* ATCommand552 +* **Downlink Payload** 667 667 668 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 669 - 670 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 671 - 672 - 673 - 674 -* Downlink Payload 675 - 676 676 Format: A8 MM NN XX XX XX XX YY 677 677 678 678 Where: ... ... @@ -680,9 +680,12 @@ 680 680 * MM: 1: add CRC-16/MODBUS ; 0: no CRC 681 681 * NN: The length of RS485 command 682 682 * XX XX XX XX: RS485 command total NN bytes 683 -* 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 561 +* YY: How many bytes will be uplink from the return of this RS485 command, 562 +** if YY=0, RS485-LN will execute the downlink command without uplink; 563 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 564 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 684 684 685 -**Example 1 :**566 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 686 686 687 687 To connect a Modbus Alarm with below commands. 688 688 ... ... @@ -692,184 +692,190 @@ 692 692 693 693 So if user want to use downlink command to control to RS485 Alarm, he can use: 694 694 695 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 576 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 696 696 697 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 578 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 698 698 699 699 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. 700 700 701 701 702 -**Example 2 :**583 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 703 703 704 - CheckTTLSensorurn:585 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 705 705 706 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 707 707 588 +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: 708 708 590 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 709 709 592 + [[image:1654159460680-153.png]] 710 710 711 -==== Set Payload version ==== 712 712 713 -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. 714 714 715 -* AT Command:596 +==== **Set Payload version** ==== 716 716 717 - AT+PAYVER:Set PAYVER field=1598 +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. 718 718 600 +* **AT Command:** 719 719 720 -* Downlink Payload: 602 +(% class="box infomessage" %) 603 +((( 604 +**AT+PAYVER: Set PAYVER field = 1** 605 +))) 721 721 722 - 0xAE01à SetPAYVER field= 0x01607 +* **Downlink Payload:** 723 723 724 -0xAE 0 FàSet PAYVER field = 0x0F609 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 725 725 611 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 726 726 727 -==== Set RS485 Sampling Commands ==== 728 728 729 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 730 730 731 - Thesethree commands are usedtoconfigure how theRS485-BLpollingdata fromModbus device. Detail of usage please see : [[polling RS485device>>path:#polling_485]].615 +==== **Set RS485 Sampling Commands** ==== 732 732 617 +AT+COMMANDx or AT+DATACUTx 733 733 734 - * ATCommand:619 +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"]]. 735 735 736 -AT+COMMANDx: Configure RS485 read command to sensor. 737 737 738 -AT +DATACUTx:Configure how to handle return from RS485 devices.622 +* **AT Command:** 739 739 740 -AT+SEARCHx: Configure search command 624 +(% class="box infomessage" %) 625 +((( 626 +**AT+COMMANDx: Configure RS485 read command to sensor.** 627 +))) 741 741 629 +(% class="box infomessage" %) 630 +((( 631 +**AT+DATACUTx: Configure how to handle return from RS485 devices.** 632 +))) 742 742 743 -* Downlink Payload: 744 744 745 - 0xAFdownlinkcommandcan be used to set AT+COMMANDx or AT+DATACUTx.635 +* **Downlink Payload:** 746 746 747 - Note: if user use AT+COMMANDxto add a new command,healso need to sendAT+DATACUTxdownlink.637 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 748 748 639 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 640 + 749 749 Format: AF MM NN LL XX XX XX XX YY 750 750 751 751 Where: 752 752 753 753 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 754 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 755 -* LL: The length of AT+COMMAND or AT+DATACUT command 646 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 647 +* LL: The length of AT+COMMAND or AT+DATACUT command 756 756 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 757 -* 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.649 +* 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. 758 758 759 -Example: 651 +**Example:** 760 760 761 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 653 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 762 762 763 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 655 +(% 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** 764 764 765 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 657 +(% 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** 766 766 767 767 768 -0xAB downlink command can be used for set AT+SEARCHx 769 769 770 - Example:**ABaa01 03 xx xx xx** (03 heremeanstherearetotal3 bytes after03) So661 +==== **Fast command to handle MODBUS device** ==== 771 771 772 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 773 -* 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 774 - 775 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 776 - 777 - 778 -==== Fast command to handle MODBUS device ==== 779 - 780 780 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]]. 781 781 782 782 This command is valid since v1.3 firmware version 783 783 667 +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. 784 784 785 -AT+MBFUN has only two value: 786 786 787 -* AT+MBFUN=1:EnableModbus reading. And get response base on the MODBUS return670 +**Example:** 788 788 789 -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. 790 - 791 -* AT+MBFUN=0: Disable Modbus fast reading. 792 - 793 -Example: 794 - 795 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 672 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 796 796 * 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. 797 797 * 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. 798 798 799 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]676 +[[image:image-20220602165351-6.png]] 800 800 678 +[[image:image-20220602165351-7.png]] 801 801 802 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]] 803 803 804 804 805 -* Downlink Commands:682 +==== **RS485 command timeout** ==== 806 806 807 - A9aa-àSameasAT+MBFUN=aa684 +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. 808 808 686 +Default value: 0, range: 0 ~~ 65 seconds 809 809 810 - ====RS485commandtimeout ====688 +* **AT Command:** 811 811 812 -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. 690 +(% class="box infomessage" %) 691 +((( 692 +**AT+CMDDLaa=hex(bb cc)*1000** 693 +))) 813 813 814 - Default value:0, range: 0 ~~ 5 seconds695 +**Example:** 815 815 697 +**AT+CMDDL1=1000** to send the open time to 1000ms 816 816 817 -* AT Command: 818 818 819 - AT+CMDDLaa=hex(bb cc)700 +* **Downlink Payload:** 820 820 821 - Example:702 +**0x AA aa bb cc** 822 822 823 - **AT+CMDDL1=1000** to send theopen time to1000ms704 +Same as: AT+CMDDLaa=hex(bb cc)*1000 824 824 706 + **Example:** 825 825 826 - *DownlinkPayload:708 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 827 827 828 -0x AA aa bb cc 829 829 830 -Same as: AT+CMDDLaa=hex(bb cc) 831 831 832 - Example:712 +==== **Uplink payload mode** ==== 833 833 834 - 0xAA0103E8 à Sameas**AT+CMDDL1=1000ms**714 +Define to use one uplink or multiple uplinks for the sampling. 835 835 716 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 836 836 837 - ====[[Uplink>>path:#downlink_A8]]payloadmode ====718 +* **AT Command:** 838 838 839 -Define to use one uplink or multiple uplinks for the sampling. 720 +(% class="box infomessage" %) 721 +((( 722 +**AT+DATAUP=0** 723 +))) 840 840 841 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 725 +(% class="box infomessage" %) 726 +((( 727 +**AT+DATAUP=1** 728 +))) 842 842 843 -* AT Command: 844 844 845 - AT+DATAUP=0731 +* **Downlink Payload:** 846 846 847 -AT+DATAUP= 1733 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 848 848 735 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 849 849 850 -* Downlink Payload: 851 851 852 -0xAD 00 à Same as AT+DATAUP=0 853 853 854 - 0xAD01 à Same asAT+DATAUP=1739 +==== **Manually trigger an Uplink** ==== 855 855 741 +Ask device to send an uplink immediately. 856 856 857 - ====ManuallytriggeranUplink ====743 +* **AT Command:** 858 858 859 -A skdeviceto sendanuplinkimmediately.745 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 860 860 861 -* Downlink Payload: 862 862 863 - 0x08FF, RS485-BLwillimmediately sendan uplink.748 +* **Downlink Payload:** 864 864 750 +**0x08 FF**, RS485-LN will immediately send an uplink. 865 865 866 -==== Clear RS485 Command ==== 867 867 868 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 869 869 754 +==== **Clear RS485 Command** ==== 870 870 871 - *AT Command:756 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 872 872 758 +* **AT Command:** 759 + 873 873 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 874 874 875 875 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 ... ... @@ -877,43 +877,50 @@ 877 877 Example screen shot after clear all RS485 commands. 878 878 879 879 880 - 881 881 The uplink screen shot is: 882 882 883 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]769 +[[image:1654160691922-496.png]] 884 884 885 885 886 -* Downlink Payload: 772 +* **Downlink Payload:** 887 887 888 -0x09 aa bb same as AT+CMDEAR=aa,bb 774 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 889 889 890 890 891 -==== Set Serial Communication Parameters ==== 892 892 778 +==== **Set Serial Communication Parameters** ==== 779 + 893 893 Set the Rs485 serial communication parameters: 894 894 895 -* AT Command: 782 +* **AT Command:** 896 896 897 897 Set Baud Rate: 898 898 899 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 786 +(% class="box infomessage" %) 787 +((( 788 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 789 +))) 900 900 791 +Set UART Parity 901 901 902 -Set UART parity 793 +(% class="box infomessage" %) 794 +((( 795 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 796 +))) 903 903 904 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 905 - 906 - 907 907 Set STOPBIT 908 908 909 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 800 +(% class="box infomessage" %) 801 +((( 802 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 803 +))) 910 910 911 911 912 -* Downlink Payload: 806 +* **Downlink Payload:** 913 913 914 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 808 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 915 915 916 -Example: 810 +**Example:** 917 917 918 918 * A7 01 00 60 same as AT+BAUDR=9600 919 919 * A7 01 04 80 same as AT+BAUDR=115200 ... ... @@ -923,287 +923,317 @@ 923 923 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 924 924 925 925 926 -== ==Controloutputpowerduration====820 +== 3.6 Listening mode for RS485 network == 927 927 928 - Usercan settheoutputpowerdurationbeforeeach sampling.822 +This feature support since firmware v1.4 929 929 930 - *AT Command:824 +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. 931 931 932 - Example:826 +[[image:image-20220602171200-8.png||height="567" width="1007"]] 933 933 934 - AT+3V3T=1000 ~/~/ 3V3outputpower willopen1sbefore eachsampling.828 +To enable the listening mode, use can run the command AT+RXMODE. 935 935 936 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling. 937 937 831 +(% border="1" style="background-color:#ffffcc; width:500px" %) 832 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 833 +|(% 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. 834 +|(% 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 835 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 836 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 938 938 939 -* LoRaWANDownlink Command:838 +**Downlink Command:** 940 940 941 -0 701aa bbSame as AT+5VT=(aa840 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 942 942 943 -07 02 aa bb Same as AT+3V3T=(aa bb) 944 944 843 +**Example**: 945 945 845 +The RS485-LN is set to AT+RXMODE=2,1000 946 946 847 +There is a two Modbus commands in the RS485 network as below: 947 947 948 -1. 949 -11. Buttons 849 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 950 950 951 -|**Button**|**Feature** 952 -|**RST**|Reboot RS485-BL 851 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 953 953 954 -1. 955 -11. +3V3 Output 853 +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 33 956 956 957 - RS485-BL has a Controllable+3V3 output, user can use this output to power external sensor.855 +[[image:image-20220602171200-9.png]] 958 958 959 -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. 960 960 858 +(% 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. 961 961 962 -The +3V3 output time can be controlled by AT Command. 963 963 964 - **AT+3V3T=1000**861 +== 3.7 Buttons == 965 965 966 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 967 967 864 +(% border="1" style="background-color:#f7faff; width:500px" %) 865 +|=**Button**|=(% style="width: 1420px;" %)**Feature** 866 +|**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** 867 +|**RST**|(% style="width:1420px" %)Reboot RS485 868 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 968 968 969 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 970 970 871 +== 3.8 LEDs == 971 971 972 -1. 973 -11. +5V Output 873 +(% border="1" style="background-color:#f7faff; width:500px" %) 874 +|=**LEDs**|=**Feature** 875 +|**PWR**|Always on if there is power 876 +|**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. 974 974 975 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 976 976 977 - The+5Voutput will be valid for everysampling. RS485-BL willenable+5V output before all sampling anddisable the +5v after all sampling.879 += 4. Case Study = 978 978 881 +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]] 979 979 980 -The 5V output time can be controlled by AT Command. 981 981 982 - **AT+5VT=1000**884 += 5. Use AT Command = 983 983 984 - Meansset5V valid time to have 1000ms.So, the real 5V output will actually have1000ms+samplingtimefor other sensors.886 +== 5.1 Access AT Command == 985 985 888 +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. 986 986 987 - 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.890 +[[image:1654162355560-817.png]] 988 988 989 989 893 +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: 990 990 895 +[[image:1654162368066-342.png]] 991 991 992 -1. 993 -11. LEDs 994 994 995 -|**LEDs**|**Feature** 996 -|**LED1**|Blink when device transmit a packet. 898 +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/]] 997 997 998 -1. 999 -11. Switch Jumper 1000 1000 1001 -|**Switch Jumper**|**Feature** 1002 -|**SW1**|((( 1003 -ISP position: Upgrade firmware via UART 901 +== 5.2 Common AT Command Sequence == 1004 1004 1005 -Flash position: Configure device, check running status. 903 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 904 + 905 +If device has not joined network yet: 906 + 907 +(% class="box infomessage" %) 908 +((( 909 +**AT+FDR** 1006 1006 ))) 1007 -|**SW2**|((( 1008 -5V position: set to compatible with 5v I/O. 1009 1009 1010 -3.3v position: set to compatible with 3.3v I/O., 912 +(% class="box infomessage" %) 913 +((( 914 +**AT+NJM=0** 1011 1011 ))) 1012 1012 1013 -+3.3V: is always ON 917 +(% class="box infomessage" %) 918 +((( 919 +**ATZ** 920 +))) 1014 1014 1015 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 1016 1016 1017 - 1.CaseStudy923 +If device already joined network: 1018 1018 1019 -User can check this URL for some case studies. 925 +(% class="box infomessage" %) 926 +((( 927 +**AT+NJM=0** 928 +))) 1020 1020 1021 -[[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]] 930 +(% class="box infomessage" %) 931 +((( 932 +**ATZ** 933 +))) 1022 1022 1023 1023 936 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1024 1024 1025 1025 1026 -1. Use AT Command 1027 -11. Access AT Command 939 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1028 1028 1029 - RS485-BLsupports AT Commandset. Usercan use a USB toTTL adapter plus the 3.5mm Program Cable toconnecttoRS485-BLtouseATcommand, as below.941 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 1030 1030 1031 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]943 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 1032 1032 945 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 1033 1033 1034 - 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:947 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1035 1035 1036 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]949 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1037 1037 951 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1038 1038 953 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1039 1039 1040 - MoredetailATCommandmanualcan be foundat[[AT CommandManual>>path:#AT_COMMAND]]955 +(% 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. 1041 1041 957 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1042 1042 1043 1043 1044 -1. 1045 -11. Common AT Command Sequence 1046 -111. Multi-channel ABP mode (Use with SX1301/LG308) 960 +(% style="color:red" %)**Note:** 1047 1047 1048 -If device has not joined network yet: 962 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 963 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 964 +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. 965 +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 1049 1049 1050 - AT+FDR967 +[[image:1654162478620-421.png]] 1051 1051 1052 -AT+NJM=0 1053 1053 1054 -A TZ970 += 6. FAQ = 1055 1055 972 +== 6.1 How to upgrade the image? == 1056 1056 1057 - Ifdevice alreadyjoinednetwork:974 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1058 1058 1059 -AT+NJM=0 976 +* Support new features 977 +* For bug fix 978 +* Change LoRaWAN bands. 1060 1060 1061 - ATZ980 +Below shows the hardware connection for how to upload an image to RS485-LN: 1062 1062 1063 -1. 1064 -11. 1065 -111. Single-channel ABP mode (Use with LG01/LG02) 982 +[[image:1654162535040-878.png]] 1066 1066 1067 - AT+FDRResetParametersFactory Default, KeysReserve984 +**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]]. 1068 1068 1069 - AT+NJM=0SettoABPmode986 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1070 1070 1071 - AT+ADR=0Set theAdaptiveDataRateOff988 +**Step3: **Open flashloader; choose the correct COM port to update. 1072 1072 1073 -AT+DR=5 Set Data Rate 990 +((( 991 +(% 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. 992 +))) 1074 1074 1075 -AT+TDC=60000 Set transmit interval to 60 seconds 1076 1076 1077 - AT+CHS=868400000 Set transmit frequency to 868.4Mhz995 +[[image:image-20220602175818-12.png]] 1078 1078 1079 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1080 1080 1081 - AT+RX2DR=5 Set RX2DR tomatch thedownlink DR fromserver.see below998 +[[image:image-20220602175848-13.png]] 1082 1082 1083 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1084 1084 1085 - ATZ Reset MCU1001 +[[image:image-20220602175912-14.png]] 1086 1086 1087 -**Note:** 1088 1088 1089 -1. Make sure the device is set to ABP mode in the IoT Server. 1090 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1091 -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. 1092 -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 1004 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1093 1093 1094 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]1006 +[[image:image-20220602175638-10.png]] 1095 1095 1096 1096 1097 -1. FAQ 1098 -11. How to upgrade the image? 1009 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1099 1099 1100 - TheRS485-BL LoRaWANControllerisshippedwith5mmcable,thecableisusedtoupload imagetoRS485-BL to:1011 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1101 1101 1102 -* Support new features 1103 -* For bug fix 1104 -* Change LoRaWAN bands. 1105 1105 1106 - Belowshowsthe hardware connectionfor how to uploadanimage toRS485-BL:1014 +== 6.3 How many RS485-Slave can RS485-BL connects? == 1107 1107 1108 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1016 +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"]]. 1109 1109 1110 -**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]]. 1111 1111 1112 - **Step2**:Downloadthe [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1019 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1113 1113 1114 - **Step3: **Openflashloader;choose thecorrectCOM porttoupdate.1021 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1115 1115 1023 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1116 1116 1117 -|((( 1118 -HOLD PRO then press the RST button, SYS will be ON, then click next 1119 -))) 1120 1120 1121 -|((( 1122 -Board detected 1123 -))) 1026 += 7. Trouble Shooting = 1124 1124 1125 -|((( 1126 - 1127 -))) 1028 +== 7.1 Downlink doesn’t work, how to solve it? == 1128 1128 1129 - [[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]]1030 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1130 1130 1131 1131 1033 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1132 1132 1133 - [[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]]1035 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1134 1134 1135 1135 1136 - [[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]]1038 += 8. Order Info = 1137 1137 1040 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1138 1138 1139 -1. 1140 -11. How to change the LoRa Frequency Bands/Region? 1042 +(% style="color:blue" %)**XXX:** 1141 1141 1142 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. 1044 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1045 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1046 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1047 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1048 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1049 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1050 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1051 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1052 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1053 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1143 1143 1144 1144 1145 1145 1146 -1. 1147 -11. How many RS485-Slave can RS485-BL connects? 1057 += 9.Packing Info = 1148 1148 1149 -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]]. 1150 1150 1060 +**Package Includes**: 1151 1151 1062 +* RS485-LN x 1 1063 +* Stick Antenna for LoRa RF part x 1 1064 +* Program cable x 1 1152 1152 1066 +**Dimension and weight**: 1153 1153 1154 -1. Trouble Shooting 1155 -11. Downlink doesn’t work, how to solve it? 1068 +* Device Size: 13.5 x 7 x 3 cm 1069 +* Device Weight: 105g 1070 +* Package Size / pcs : 14.5 x 8 x 5 cm 1071 +* Weight / pcs : 170g 1156 1156 1157 -Please see this link for debug: 1158 1158 1159 -[[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]] 1160 1160 1075 += 10. FCC Caution for RS485LN-US915 = 1161 1161 1077 +((( 1078 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1079 +))) 1162 1162 1163 -1. 1164 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1081 +((( 1082 +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. 1083 +))) 1165 1165 1166 -It might about the channels mapping. Please see for detail. 1085 +((( 1086 + 1087 +))) 1167 1167 1168 -[[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]] 1089 +((( 1090 +**IMPORTANT NOTE:** 1091 +))) 1169 1169 1093 +((( 1094 +**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: 1095 +))) 1170 1170 1097 +((( 1098 +—Reorient or relocate the receiving antenna. 1099 +))) 1171 1171 1172 -1. Order Info 1101 +((( 1102 +—Increase the separation between the equipment and receiver. 1103 +))) 1173 1173 1174 -**Part Number: RS485-BL-XXX** 1105 +((( 1106 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1107 +))) 1175 1175 1176 -**XXX:** 1109 +((( 1110 +—Consult the dealer or an experienced radio/TV technician for help. 1111 +))) 1177 1177 1178 -* **EU433**: frequency bands EU433 1179 -* **EU868**: frequency bands EU868 1180 -* **KR920**: frequency bands KR920 1181 -* **CN470**: frequency bands CN470 1182 -* **AS923**: frequency bands AS923 1183 -* **AU915**: frequency bands AU915 1184 -* **US915**: frequency bands US915 1185 -* **IN865**: frequency bands IN865 1186 -* **RU864**: frequency bands RU864 1187 -* **KZ865: **frequency bands KZ865 1113 +((( 1114 + 1115 +))) 1188 1188 1189 -1. Packing Info 1117 +((( 1118 +**FCC Radiation Exposure Statement:** 1119 +))) 1190 1190 1191 -**Package Includes**: 1121 +((( 1122 +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. 1123 +))) 1192 1192 1193 -* RS485-BL x 1 1194 -* Stick Antenna for LoRa RF part x 1 1195 -* Program cable x 1 1196 1196 1197 - **Dimensionandweight**:1126 += 11. Support = 1198 1198 1199 -* Device Size: 13.5 x 7 x 3 cm 1200 -* Device Weight: 105g 1201 -* Package Size / pcs : 14.5 x 8 x 5 cm 1202 -* Weight / pcs : 170g 1203 - 1204 -1. Support 1205 - 1206 -* 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. 1207 -* 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 1208 - 1209 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1128 +* ((( 1129 +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. 1130 +))) 1131 +* ((( 1132 +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]]. 1133 +)))
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