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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... ... @@ -1,1 +1,1 @@ 1 -RS485-LN – RS485 to LoRaWAN Converter 1 +RS485-LN – RS485 to LoRaWAN Converter User Manual - Content
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... ... @@ -3,15 +3,20 @@ 3 3 4 4 5 5 6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual** 7 7 8 8 8 + 9 + 9 9 **Table of Contents:** 10 10 12 +{{toc/}} 11 11 12 12 13 13 14 14 17 + 18 + 19 + 15 15 = 1.Introduction = 16 16 17 17 == 1.1 What is RS485-LN RS485 to LoRaWAN Converter == ... ... @@ -18,23 +18,37 @@ 18 18 19 19 ((( 20 20 ((( 26 +((( 27 + 28 + 21 21 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 ))) 31 +))) 23 23 24 24 ((( 34 +((( 25 25 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 ))) 37 +))) 27 27 28 28 ((( 40 +((( 29 29 (% 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 ))) 43 +))) 31 31 32 32 ((( 46 +((( 33 33 (% 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. 48 +))) 34 34 50 +((( 35 35 (% 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]] 52 + 53 + 36 36 ))) 37 37 ))) 56 +))) 38 38 39 39 [[image:1653267211009-519.png||height="419" width="724"]] 40 40 ... ... @@ -74,10 +74,11 @@ 74 74 * Preamble detection. 75 75 * 127 dB Dynamic Range RSSI. 76 76 * Automatic RF Sense and CAD with ultra-fast AFC. 77 -* Packet engine up to 256 bytes with CRC .96 +* Packet engine up to 256 bytes with CRC 78 78 79 79 80 80 100 + 81 81 == 1.3 Features == 82 82 83 83 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -91,6 +91,7 @@ 91 91 92 92 93 93 114 + 94 94 == 1.4 Applications == 95 95 96 96 * Smart Buildings & Home Automation ... ... @@ -102,6 +102,7 @@ 102 102 103 103 104 104 126 + 105 105 == 1.5 Firmware Change log == 106 106 107 107 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -111,9 +111,13 @@ 111 111 112 112 ((( 113 113 ((( 136 +((( 114 114 v1.2: Add External Interrupt Pin. 138 +))) 115 115 140 +((( 116 116 v1.0: Release 142 +))) 117 117 118 118 119 119 ))) ... ... @@ -141,7 +141,9 @@ 141 141 == 3.1 How it works? == 142 142 143 143 ((( 170 +((( 144 144 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. 172 +))) 145 145 146 146 147 147 ))) ... ... @@ -164,12 +164,13 @@ 164 164 165 165 [[image:1653268227651-549.png||height="592" width="720"]] 166 166 195 + 167 167 ((( 168 -The LG308 is already set to connect to [[TTN V3 network >>path: eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:197 +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: 169 169 ))) 170 170 171 171 ((( 172 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 201 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 173 173 ))) 174 174 175 175 ((( ... ... @@ -179,6 +179,7 @@ 179 179 180 180 [[image:1652953462722-299.png]] 181 181 211 + 182 182 ((( 183 183 ((( 184 184 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: ... ... @@ -185,7 +185,7 @@ 185 185 ))) 186 186 187 187 ((( 188 -Add APP EUI in the application. 218 +**Add APP EUI in the application.** 189 189 ))) 190 190 ))) 191 191 ... ... @@ -201,13 +201,15 @@ 201 201 202 202 [[image:1652953542269-423.png||height="710" width="723"]] 203 203 204 -Add APP KEY and DEV EUI 205 205 235 + 236 +**Add APP KEY and DEV EUI** 237 + 206 206 [[image:1652953553383-907.png||height="514" width="724"]] 207 207 208 208 209 209 ((( 210 -**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. 242 +(% style="color:blue" %)**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. 211 211 ))) 212 212 213 213 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -217,11 +217,15 @@ 217 217 218 218 ((( 219 219 ((( 220 -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>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 252 +((( 253 +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-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 221 221 ))) 255 +))) 222 222 223 223 ((( 258 +((( 224 224 (% 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 v1.1 260 +))) 225 225 226 226 227 227 ))) ... ... @@ -231,19 +231,19 @@ 231 231 232 232 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: 233 233 234 -(% border="1" style="background-color:#ffffcc; color:green; width: 795px" %)235 -|((( 270 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 271 +|=(% style="width: 110px;" %)((( 236 236 **AT Commands** 237 -)))|(% style="width: 285px" %)(((273 +)))|=(% style="width: 190px;" %)((( 238 238 **Description** 239 -)))|(% style="width: 347px" %)(((275 +)))|=(% style="width: 190px;" %)((( 240 240 **Example** 241 241 ))) 242 -|((( 278 +|(% style="width:110px" %)((( 243 243 AT+BAUDR 244 -)))|(% style="width: 285px" %)(((280 +)))|(% style="width:190px" %)((( 245 245 Set the baud rate (for RS485 connection). Default Value is: 9600. 246 -)))|(% style="width: 347px" %)(((282 +)))|(% style="width:190px" %)((( 247 247 ((( 248 248 AT+BAUDR=9600 249 249 ))) ... ... @@ -252,11 +252,11 @@ 252 252 Options: (1200,2400,4800,14400,19200,115200) 253 253 ))) 254 254 ))) 255 -|((( 291 +|(% style="width:110px" %)((( 256 256 AT+PARITY 257 -)))|(% style="width: 285px" %)(((293 +)))|(% style="width:190px" %)((( 258 258 Set UART parity (for RS485 connection) 259 -)))|(% style="width: 347px" %)(((295 +)))|(% style="width:190px" %)((( 260 260 ((( 261 261 AT+PARITY=0 262 262 ))) ... ... @@ -265,9 +265,9 @@ 265 265 Option: 0: no parity, 1: odd parity, 2: even parity 266 266 ))) 267 267 ))) 268 -|((( 304 +|(% style="width:110px" %)((( 269 269 AT+STOPBIT 270 -)))|(% style="width: 285px" %)(((306 +)))|(% style="width:190px" %)((( 271 271 ((( 272 272 Set serial stopbit (for RS485 connection) 273 273 ))) ... ... @@ -275,7 +275,7 @@ 275 275 ((( 276 276 277 277 ))) 278 -)))|(% style="width: 347px" %)(((314 +)))|(% style="width:190px" %)((( 279 279 ((( 280 280 AT+STOPBIT=0 for 1bit 281 281 ))) ... ... @@ -289,6 +289,7 @@ 289 289 ))) 290 290 ))) 291 291 328 + 292 292 === 3.3.2 Configure sensors === 293 293 294 294 ((( ... ... @@ -297,140 +297,70 @@ 297 297 ))) 298 298 ))) 299 299 300 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 301 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 302 -|AT+CFGDEV|(% style="width:418px" %)((( 303 -This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 304 - 305 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 306 - 307 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 308 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 309 - 310 -=== 3.3.3 Configure read commands for each sampling === 311 - 337 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 338 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 339 +|AT+CFGDEV|(% style="width:110px" %)((( 312 312 ((( 313 - RS485-BLisa battery powereddevice; it willsleepmost of time. Andwake uponeach period andreadRS485sensordataand uplink.341 +This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 314 314 ))) 315 315 316 316 ((( 317 - During each sampling, we need to confirm what commands we need to send to the sensors to read data.After the RS485/TTLsensorssendbackthevalue,itnormallyincludessomebytesand we only need a few from them for a shorten payload.345 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 318 318 ))) 319 319 320 320 ((( 321 - Tosavethe LoRaWANnetworkbandwidth,wemightneedto readdata from different sensors andcombinetheir valid value into ashortpayload.349 +mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 322 322 ))) 351 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 323 323 324 -((( 325 -This section describes how to achieve above goals. 326 -))) 327 327 328 -((( 329 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 330 -))) 354 +=== 3.3.3 Configure read commands for each sampling === 331 331 332 332 ((( 333 -**Command from RS485-BL to Sensor:** 334 -))) 357 +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. 335 335 336 -((( 337 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar. 338 -))) 359 +To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload. 339 339 340 -((( 341 -**Handle return from sensors to RS485-BL**: 342 -))) 361 +This section describes how to achieve above goals. 343 343 344 -((( 345 -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** 346 -))) 363 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 347 347 348 -* ((( 349 -**AT+DATACUT** 350 -))) 351 351 352 -((( 353 -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. 354 -))) 366 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 355 355 356 -* ((( 357 -**AT+SEARCH** 358 -))) 368 +~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. 359 359 360 -((( 361 -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. 362 -))) 370 +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. 363 363 364 -((( 365 -**Define wait timeout:** 366 -))) 372 +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 367 367 368 -((( 369 -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 370 -))) 371 371 372 -((( 373 373 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 374 -))) 375 375 376 -**Examples:** 377 377 378 378 Below are examples for the how above AT Commands works. 379 379 380 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 381 381 382 -(% border="1" class="table-bordered" %) 383 -|((( 384 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 381 +(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 385 385 383 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 384 +|(% style="width:496px" %)((( 385 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 386 + 386 386 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 387 387 388 388 **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 389 389 ))) 390 390 391 -((( 392 392 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. 393 -))) 394 394 395 -((( 396 -In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 397 -))) 394 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 398 398 399 -((( 400 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 401 -))) 402 402 403 -(% border="1" class="table-bordered" %) 404 -|((( 405 -**AT+SEARCHx=aa,xx xx xx xx xx** 397 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 406 406 407 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode** 408 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix** 409 - 410 - 411 -))) 412 - 413 -**Examples:** 414 - 415 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 416 - 417 -If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 418 - 419 -The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49** 420 - 421 -[[image:1653269403619-508.png]] 422 - 423 -2. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 424 - 425 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49 426 - 427 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30** 428 - 429 -[[image:1653269438444-278.png]] 430 - 431 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 432 - 433 -|((( 399 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 400 +|(% style="width:510px" %)((( 434 434 **AT+DATACUTx=a,b,c** 435 435 436 436 * **a: length for the return of AT+COMMAND** ... ... @@ -438,48 +438,38 @@ 438 438 * **c: define the position for valid value. ** 439 439 ))) 440 440 441 -Examples: 408 +**Examples:** 442 442 443 -* Grab bytes :410 +* (% style="color:#037691" %)**Grab bytes** 444 444 445 -[[image: 1653269551753-223.png||height="311" width="717"]]412 +[[image:image-20220602153621-1.png]] 446 446 447 -* Grab a section. 448 448 449 - [[image:1653269568276-930.png||height="325"width="718"]]415 +* (% style="color:#037691" %)**Grab a section** 450 450 451 - * Grab different sections.417 +[[image:image-20220602153621-2.png]] 452 452 453 -[[image:1653269593172-426.png||height="303" width="725"]] 454 454 455 -(% style="color: red" %)**Note:**420 +* (% style="color:#037691" %)**Grab different sections** 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 stringand get a temporary string, and then process AT+DATACUTx on this temporary stringto get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to0.422 +[[image:image-20220602153621-3.png]] 458 458 459 -Example: 460 460 461 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0 425 + 426 +))) 462 462 463 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34 464 - 465 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5 466 - 467 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 468 - 469 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49 470 - 471 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36 472 - 473 -[[image:1653269618463-608.png]] 474 - 475 475 === 3.3.4 Compose the uplink payload === 476 476 477 477 ((( 478 478 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.** 432 + 433 + 479 479 ))) 480 480 481 481 ((( 482 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 437 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 438 + 439 + 483 483 ))) 484 484 485 485 ((( ... ... @@ -500,8 +500,10 @@ 500 500 501 501 [[image:1653269759169-150.png||height="513" width="716"]] 502 502 503 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 504 504 461 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 462 + 463 + 505 505 Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 506 506 507 507 Final Payload is ... ... @@ -508,700 +508,1041 @@ 508 508 509 509 (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 510 510 511 -1. Battery Info (2 bytes): Battery voltage 512 -1. PAYVER (1 byte): Defined by AT+PAYVER 513 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling. 514 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 515 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes 516 516 517 -[[image:1653269916228-732.png||height="433" width="711"]] 471 +1. PAYVER: Defined by AT+PAYVER 472 +1. PAYLOAD COUNT: Total how many uplinks of this sampling. 473 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) 474 +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 518 518 476 +[[image:image-20220602155039-4.png]] 519 519 520 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 521 521 522 - DATA1=RETURN1Valid Value=(%style="background-color:green;color:white"%)20200a 33 90 41479 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA 523 523 524 -DATA 2=1^^st^^~~6^^th^^byteof Valid value of RETURN10=(%style="background-color:green; color:white" %)02 aa0581 0a20481 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa** 525 525 526 -DATA 3=7^^th^^ ~~ 11^^th^^ bytesof Valid value of RETURN10(%style="background-color:green;color:white"%)20 20 20 2d30483 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d** 527 527 528 - Belowareheuplinkpayloads:485 +DATA3=the rest of Valid value of RETURN10= **30** 529 529 530 -[[image:1653270130359-810.png]] 531 531 488 +(% 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: 532 532 533 - (%style="color:red"%)**Notice:theMaxbytes is accordingto the maxsupportbytesin differentFrequencyBands forlowest SF.As below:**490 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 534 534 535 - ~*51 bytes for each uplink( so 51 -5 = 46 max valid date)492 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink. 536 536 537 - * For AU915/AS923bands,if UplinkDwell time=1, max 11 bytes( so 11 -5 = 6 max valid date).494 + * For US915 band, max 11 bytes for each uplink. 538 538 539 - * US915band,max 11bytes( so 11 -5 = 6 max valid date).496 + ~* For all other bands: max 51 bytes for each uplink. 540 540 541 - ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 542 542 543 - ===3.3.5Uplink on demand===499 +Below are the uplink payloads: 544 544 545 - Except uplink periodically, RS485-BL is able to uplink on demand. Theserver sends downlink command to RS485-BL and RS485 will uplink data base on the command.501 +[[image:1654157178836-407.png]] 546 546 547 -Downlink control command: 548 548 549 - [[0x08command>>path:#downlink_08]]:Poll anuplink with current commandset in RS485-BL.504 +=== 3.3.5 Uplink on demand === 550 550 551 - [[0xA8command>>path:#downlink_A8]]:Send acommand to RS485-BL and uplink the outputfromsensors.506 +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. 552 552 508 +Downlink control command: 553 553 510 +**0x08 command**: Poll an uplink with current command set in RS485-LN. 554 554 555 -1. 556 -11. 557 -111. Uplink on Interrupt 512 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors. 558 558 559 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] 560 560 561 -AT+INTMOD=0 Disable Interrupt 562 562 563 - AT+INTMOD=1Interrupttrigger by rising or falling edge.516 +=== 3.3.6 Uplink on Interrupt === 564 564 565 - AT+INTMOD=2Interrupttrigger by fallingedge.( Default Value)518 +RS485-LN support external Interrupt uplink since hardware v1.2 release. 566 566 567 - AT+INTMOD=3 Interrupt trigger by risingedge.520 +[[image:1654157342174-798.png]] 568 568 522 +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. 569 569 570 -1. 571 -11. Uplink Payload 572 572 573 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** 574 -|Value|((( 575 -Battery(mV) 525 +== 3.4 Uplink Payload == 576 576 577 -& 578 578 579 -Interrupt _Flag 580 -)))|((( 581 -PAYLOAD_VER 528 +[[image:image-20220606110929-1.png]] 582 582 583 - 584 -)))|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. 585 - 586 586 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 587 587 588 588 589 -fu nctionDecoder(bytes,port){533 +== 3.5 Configure RS485-LN via AT or Downlink == 590 590 591 -~/~/Payload Formats of RS485-BL Deceive 535 +((( 536 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 537 +))) 592 592 593 -return { 594 - 595 - ~/~/Battery,units:V 596 - 597 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 598 - 599 - ~/~/GPIO_EXTI 600 - 601 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 602 - 603 - ~/~/payload of version 604 - 605 - Pay_ver:bytes[2], 606 - 607 - }; 608 - 609 - } 610 - 611 - 612 - 613 - 614 - 615 - 616 - 617 -TTN V3 uplink screen shot. 618 - 619 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]] 620 - 621 -1. 622 -11. Configure RS485-BL via AT or Downlink 623 - 624 -User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands 625 - 539 +((( 626 626 There are two kinds of Commands: 541 +))) 627 627 628 -* **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_Commands 543 +* ((( 544 +(% 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]] 545 +))) 629 629 630 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 547 +* ((( 548 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 549 +))) 631 631 632 - 1.633 - 11.634 - 111. Common Commands:551 +((( 552 + 553 +))) 635 635 636 -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]] 637 637 556 +=== 3.5.1 Common Commands === 638 638 639 -1. 640 -11. 641 -111. Sensor related commands: 558 +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]] 642 642 643 -==== Choose Device Type (RS485 or TTL) ==== 644 644 645 - RS485-BLcan connect to either RS485sensorsorTTL sensor. User need to specify whattypeof sensor needtoconnect.561 +=== 3.5.2 Sensor related commands === 646 646 647 - *ATCommand563 +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. 648 648 649 - **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connectmultiply RS485 , Modbus sensorsto the A / B pins.565 +[[image:image-20220602163333-5.png||height="263" width="1160"]] 650 650 651 - **AT+MOD=2** ~/~/ Set to supportTTLLevel sensors,Usercan connect oneTTLSensortotheTXD/RXD/GNDpins.567 +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) 652 652 653 653 654 - *DownlinkPayload570 +=== 3.5.3 Sensor related commands === 655 655 656 -**0A aa** à same as AT+MOD=aa 657 657 658 658 659 659 660 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV)====575 +==== **RS485 Debug Command** ==== 661 661 662 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 577 +((( 578 +This command is used to configure the RS485 devices; they won’t be used during sampling. 579 +))) 663 663 664 -* AT Command 581 +* ((( 582 +**AT Command** 583 +))) 665 665 666 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 585 +(% class="box infomessage" %) 586 +((( 587 +((( 588 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 589 +))) 590 +))) 667 667 668 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 592 +((( 593 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 594 +))) 669 669 596 +* ((( 597 +**Downlink Payload** 598 +))) 670 670 671 - 672 -* Downlink Payload 673 - 600 +((( 674 674 Format: A8 MM NN XX XX XX XX YY 602 +))) 675 675 604 +((( 676 676 Where: 606 +))) 677 677 678 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 679 -* NN: The length of RS485 command 680 -* XX XX XX XX: RS485 command total NN bytes 681 -* 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 608 +* ((( 609 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 610 +))) 611 +* ((( 612 +NN: The length of RS485 command 613 +))) 614 +* ((( 615 +XX XX XX XX: RS485 command total NN bytes 616 +))) 617 +* ((( 618 +((( 619 +YY: How many bytes will be uplink from the return of this RS485 command, 620 +))) 682 682 683 -**Example 1:** 622 +* ((( 623 +if YY=0, RS485-LN will execute the downlink command without uplink; 624 +))) 625 +* ((( 626 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 627 +))) 628 +* ((( 629 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 630 +))) 631 +))) 684 684 633 +((( 634 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 635 +))) 636 + 637 +((( 685 685 To connect a Modbus Alarm with below commands. 639 +))) 686 686 687 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 641 +* ((( 642 +The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually. 643 +))) 688 688 689 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 645 +* ((( 646 +The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually. 647 +))) 690 690 649 +((( 691 691 So if user want to use downlink command to control to RS485 Alarm, he can use: 651 +))) 692 692 693 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 653 +((( 654 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 655 +))) 694 694 695 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 657 +((( 658 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 659 +))) 696 696 661 +((( 697 697 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. 663 +))) 698 698 665 +((( 666 + 667 +))) 699 699 700 -**Example 2:** 669 +((( 670 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 671 +))) 701 701 702 -Check TTL Sensor return: 673 +((( 674 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 675 +))) 703 703 704 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 677 +((( 678 + 679 +))) 705 705 681 +((( 682 +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: 683 +))) 706 706 685 +((( 686 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 687 +))) 707 707 689 +((( 690 + [[image:1654159460680-153.png]] 691 +))) 708 708 709 -==== Set Payload version ==== 710 710 711 -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. 712 712 713 -* AT Command: 714 714 715 - AT+PAYVER:Set PAYVER field=1696 +==== **Set Payload version** ==== 716 716 698 +((( 699 +This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 700 +))) 717 717 718 -* Downlink Payload: 702 +* ((( 703 +**AT Command:** 704 +))) 719 719 720 -0xAE 01 à Set PAYVER field = 0x01 706 +(% class="box infomessage" %) 707 +((( 708 +((( 709 +**AT+PAYVER: Set PAYVER field = 1** 710 +))) 711 +))) 721 721 722 -0xAE 0F à Set PAYVER field = 0x0F 713 +* ((( 714 +**Downlink Payload:** 715 +))) 723 723 717 +((( 718 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 719 +))) 724 724 725 -==== Set RS485 Sampling Commands ==== 721 +((( 722 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 723 +))) 726 726 727 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 728 728 729 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]]. 730 730 731 731 732 -* ATCommand:728 +==== **Set RS485 Sampling Commands** ==== 733 733 734 -AT+COMMANDx: Configure RS485 read command to sensor. 730 +((( 731 +AT+COMMANDx or AT+DATACUTx 732 +))) 735 735 736 -AT+DATACUTx: Configure how to handle return from RS485 devices. 734 +((( 735 +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"]]. 736 +))) 737 737 738 -AT+SEARCHx: Configure search command 738 +((( 739 + 740 +))) 739 739 742 +* ((( 743 +**AT Command:** 744 +))) 740 740 741 -* Downlink Payload: 746 +(% class="box infomessage" %) 747 +((( 748 +((( 749 +**AT+COMMANDx: Configure RS485 read command to sensor.** 750 +))) 751 +))) 742 742 743 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 753 +(% class="box infomessage" %) 754 +((( 755 +((( 756 +**AT+DATACUTx: Configure how to handle return from RS485 devices.** 757 +))) 758 +))) 744 744 745 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 760 +((( 761 + 762 +))) 746 746 747 -Format: AF MM NN LL XX XX XX XX YY 764 +* ((( 765 +**Downlink Payload:** 766 +))) 748 748 749 -Where: 768 +((( 769 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 770 +))) 750 750 751 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 752 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 753 -* LL: The length of AT+COMMAND or AT+DATACUT command 754 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 755 -* 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. 772 +((( 773 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 774 +))) 756 756 757 -Example: 776 +((( 777 +Format: AF MM NN LL XX XX XX XX YY 778 +))) 758 758 759 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 780 +((( 781 +Where: 782 +))) 760 760 761 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 784 +* ((( 785 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 786 +))) 787 +* ((( 788 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 789 +))) 790 +* ((( 791 +LL: The length of AT+COMMAND or AT+DATACUT command 792 +))) 793 +* ((( 794 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 795 +))) 796 +* ((( 797 +YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 798 +))) 762 762 763 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 800 +((( 801 +**Example:** 802 +))) 764 764 804 +((( 805 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 806 +))) 765 765 766 -0xAB downlink command can be used for set AT+SEARCHx 808 +((( 809 +(% 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** 810 +))) 767 767 768 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 812 +((( 813 +(% 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** 814 +))) 769 769 770 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 771 -* 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 772 772 773 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 774 774 775 775 776 -==== Fast command to handle MODBUS device ==== 819 +==== **Fast command to handle MODBUS device** ==== 777 777 821 +((( 778 778 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]]. 823 +))) 779 779 825 +((( 780 780 This command is valid since v1.3 firmware version 827 +))) 781 781 829 +((( 830 +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. 831 +))) 782 782 783 -AT+MBFUN has only two value: 833 +((( 834 + 835 +))) 784 784 785 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 837 +((( 838 +**Example:** 839 +))) 786 786 787 -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. 841 +* ((( 842 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 843 +))) 844 +* ((( 845 +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. 846 +))) 847 +* ((( 848 +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. 849 +))) 788 788 789 - * AT+MBFUN=0: DisableModbus fast reading.851 +[[image:image-20220602165351-6.png]] 790 790 791 - Example:853 +[[image:image-20220602165351-7.png]] 792 792 793 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 794 -* 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. 795 -* 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. 796 796 797 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]] 798 798 799 799 800 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]858 +==== **RS485 command timeout** ==== 801 801 860 +((( 861 +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. 862 +))) 802 802 803 -* Downlink Commands: 864 +((( 865 +Default value: 0, range: 0 ~~ 65 seconds 866 +))) 804 804 805 -A9 aa -à Same as AT+MBFUN=aa 868 +* ((( 869 +**AT Command:** 870 +))) 806 806 872 +(% class="box infomessage" %) 873 +((( 874 +((( 875 +**AT+CMDDLaa=hex(bb cc)*1000** 876 +))) 877 +))) 807 807 808 -==== RS485 command timeout ==== 879 +((( 880 +**Example:** 881 +))) 809 809 810 -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. 883 +((( 884 +**AT+CMDDL1=1000** to send the open time to 1000ms 885 +))) 811 811 812 -Default value: 0, range: 0 ~~ 5 seconds 887 +((( 888 + 889 +))) 813 813 891 +* ((( 892 +**Downlink Payload:** 893 +))) 814 814 815 -* AT Command: 895 +((( 896 +**0x AA aa bb cc** 897 +))) 816 816 817 -AT+CMDDLaa=hex(bb cc) 899 +((( 900 +Same as: AT+CMDDLaa=hex(bb cc)*1000 901 +))) 818 818 819 -Example: 903 +((( 904 + **Example:** 905 +))) 820 820 821 -**AT+CMDDL1=1000** to send the open time to 1000ms 907 +((( 908 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 909 +))) 822 822 823 823 824 -* Downlink Payload: 825 825 826 -0x AA aa bb cc 827 827 828 - Sameas:AT+CMDDLaa=hex(bbcc)914 +==== **Uplink payload mode** ==== 829 829 830 - Example: 916 +((( 917 +Define to use one uplink or multiple uplinks for the sampling. 918 +))) 831 831 832 - 0xAA 01 03 E8 à Same as **AT+CMDDL1=1000 ms** 920 +((( 921 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 922 +))) 833 833 924 +* ((( 925 +**AT Command:** 926 +))) 834 834 835 -==== [[Uplink>>path:#downlink_A8]] payload mode ==== 928 +(% class="box infomessage" %) 929 +((( 930 +((( 931 +**AT+DATAUP=0** 932 +))) 933 +))) 836 836 837 -Define to use one uplink or multiple uplinks for the sampling. 935 +(% class="box infomessage" %) 936 +((( 937 +((( 938 +**AT+DATAUP=1** 939 +))) 940 +))) 838 838 839 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 942 +((( 943 + 944 +))) 840 840 841 -* AT Command: 946 +* ((( 947 +**Downlink Payload:** 948 +))) 842 842 843 -AT+DATAUP=0 950 +((( 951 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 952 +))) 844 844 845 -AT+DATAUP=1 954 +((( 955 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 956 +))) 846 846 847 847 848 -* Downlink Payload: 849 849 850 -0xAD 00 à Same as AT+DATAUP=0 851 851 852 - 0xAD01 à Same asAT+DATAUP=1961 +==== **Manually trigger an Uplink** ==== 853 853 963 +((( 964 +Ask device to send an uplink immediately. 965 +))) 854 854 855 -==== Manually trigger an Uplink ==== 967 +* ((( 968 +**AT Command:** 969 +))) 856 856 857 -Ask device to send an uplink immediately. 971 +((( 972 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 973 +))) 858 858 859 -* Downlink Payload: 975 +((( 976 + 977 +))) 860 860 861 -0x08 FF, RS485-BL will immediately send an uplink. 979 +* ((( 980 +**Downlink Payload:** 981 +))) 862 862 983 +((( 984 +**0x08 FF**, RS485-LN will immediately send an uplink. 985 +))) 863 863 864 -==== Clear RS485 Command ==== 865 865 866 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 867 867 868 868 869 -* ATCommand:990 +==== **Clear RS485 Command** ==== 870 870 992 +((( 993 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 994 +))) 995 + 996 +* ((( 997 +**AT Command:** 998 +))) 999 + 1000 +((( 871 871 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 1002 +))) 872 872 1004 +((( 873 873 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1006 +))) 874 874 1008 +((( 875 875 Example screen shot after clear all RS485 commands. 1010 +))) 876 876 1012 +((( 1013 + 1014 +))) 877 877 878 - 1016 +((( 879 879 The uplink screen shot is: 1018 +))) 880 880 881 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1020 +[[image:1654160691922-496.png]] 882 882 883 883 884 -* Downlink Payload: 1023 +* ((( 1024 +**Downlink Payload:** 1025 +))) 885 885 886 -0x09 aa bb same as AT+CMDEAR=aa,bb 1027 +((( 1028 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 1029 +))) 887 887 888 888 889 -==== Set Serial Communication Parameters ==== 890 890 1033 + 1034 +==== **Set Serial Communication Parameters** ==== 1035 + 1036 +((( 891 891 Set the Rs485 serial communication parameters: 1038 +))) 892 892 893 -* AT Command: 1040 +* ((( 1041 +**AT Command:** 1042 +))) 894 894 1044 +((( 895 895 Set Baud Rate: 1046 +))) 896 896 897 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1048 +(% class="box infomessage" %) 1049 +((( 1050 +((( 1051 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1052 +))) 1053 +))) 898 898 1055 +((( 1056 +Set UART Parity 1057 +))) 899 899 900 -Set UART parity 1059 +(% class="box infomessage" %) 1060 +((( 1061 +((( 1062 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1063 +))) 1064 +))) 901 901 902 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 903 - 904 - 1066 +((( 905 905 Set STOPBIT 1068 +))) 906 906 907 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1070 +(% class="box infomessage" %) 1071 +((( 1072 +((( 1073 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1074 +))) 1075 +))) 908 908 1077 +((( 1078 + 1079 +))) 909 909 910 -* Downlink Payload: 1081 +* ((( 1082 +**Downlink Payload:** 1083 +))) 911 911 912 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1085 +((( 1086 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1087 +))) 913 913 914 -Example: 1089 +((( 1090 +**Example:** 1091 +))) 915 915 916 -* A7 01 00 60 same as AT+BAUDR=9600 917 -* A7 01 04 80 same as AT+BAUDR=115200 1093 +* ((( 1094 +A7 01 00 60 same as AT+BAUDR=9600 1095 +))) 1096 +* ((( 1097 +A7 01 04 80 same as AT+BAUDR=115200 1098 +))) 918 918 1100 +((( 919 919 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1102 +))) 920 920 1104 +((( 921 921 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1106 +))) 922 922 923 923 924 -==== Control output power duration ==== 925 925 926 -User can set the output power duration before each sampling. 927 927 928 - *ATCommand:1111 +== 3.6 Listening mode for RS485 network == 929 929 930 -Example: 1113 +((( 1114 +This feature support since firmware v1.4 1115 +))) 931 931 932 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 1117 +((( 1118 +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. 1119 +))) 933 933 934 - AT+5VT=1000~/~/ +5V output power will open1s before eachsampling.1121 +[[image:image-20220602171200-8.png||height="567" width="1007"]] 935 935 1123 +((( 1124 +To enable the listening mode, use can run the command AT+RXMODE. 1125 +))) 936 936 937 -* LoRaWAN Downlink Command: 1127 +((( 1128 + 1129 +))) 938 938 939 -07 01 aa bb Same as AT+5VT=(aa bb) 1131 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1132 +|=(% style="width: 100px;" %)((( 1133 +**Command example** 1134 +)))|=(% style="width: 400px;" %)((( 1135 +**Function** 1136 +))) 1137 +|(% style="width:100px" %)((( 1138 +AT+RXMODE=1,10 1139 +)))|(% style="width:400px" %)((( 1140 +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. 1141 +))) 1142 +|(% style="width:100px" %)((( 1143 +AT+RXMODE=2,500 1144 +)))|(% style="width:400px" %)((( 1145 +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 1146 +))) 1147 +|(% style="width:100px" %)((( 1148 +AT+RXMODE=0,0 1149 +)))|(% style="width:400px" %)((( 1150 +Disable listening mode. This is the default settings. 1151 +))) 1152 +|(% style="width:100px" %)((( 1153 + 1154 +)))|(% style="width:400px" %)((( 1155 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1156 +))) 940 940 941 -07 02 aa bb Same as AT+3V3T=(aa bb) 1158 +((( 1159 +**Downlink Command:** 1160 +))) 942 942 1162 +((( 1163 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1164 +))) 943 943 1166 +((( 1167 + 1168 +))) 944 944 1170 +((( 1171 +**Example**: 1172 +))) 945 945 946 -1. 947 -11. Buttons 1174 +((( 1175 +The RS485-LN is set to AT+RXMODE=2,1000 1176 +))) 948 948 949 -|**Button**|**Feature** 950 -|**RST**|Reboot RS485-BL 1178 +((( 1179 +There is a two Modbus commands in the RS485 network as below: 1180 +))) 951 951 952 -1. 953 -11. +3V3 Output 1182 +((( 1183 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1184 +))) 954 954 955 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1186 +((( 1187 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1188 +))) 956 956 957 -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. 1190 +((( 1191 +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 1192 +))) 958 958 1194 +((( 1195 +[[image:image-20220602171200-9.png]] 1196 +))) 959 959 960 -The +3V3 output time can be controlled by AT Command. 1198 +((( 1199 + 1200 +))) 961 961 962 -**AT+3V3T=1000** 1202 +((( 1203 +((( 1204 +(% 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. 1205 +))) 1206 +))) 963 963 964 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 965 965 1209 +== 3.7 Buttons == 966 966 967 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 968 968 1212 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1213 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1214 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)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** 1215 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1216 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 969 969 970 -1. 971 -11. +5V Output 1218 +== 3.8 LEDs == 972 972 973 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 974 974 975 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 1221 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1222 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1223 +|**PWR**|Always on if there is power 1224 +|**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. 976 976 1226 += 4. Case Study = 977 977 978 - The5Voutputtime canbecontrolledbyATCommand.1228 +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 -**AT+5VT=1000** 981 981 982 - Meansset5V valid time to have 1000ms.So, thereal5Voutput will actually have 1000ms + samplingtime for other sensors.1231 += 5. Use AT Command = 983 983 1233 +== 5.1 Access AT Command == 984 984 985 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 1235 +((( 1236 +RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below. 1237 +))) 986 986 1239 +[[image:1654162355560-817.png]] 987 987 988 988 1242 +((( 1243 +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-LN. The default password is 123456. Below is the output for reference: 1244 +))) 989 989 990 -1. 991 -11. LEDs 1246 +[[image:1654162368066-342.png]] 992 992 993 -|**LEDs**|**Feature** 994 -|**LED1**|Blink when device transmit a packet. 995 995 996 -1. 997 -11. Switch Jumper 998 - 999 -|**Switch Jumper**|**Feature** 1000 -|**SW1**|((( 1001 -ISP position: Upgrade firmware via UART 1002 - 1003 -Flash position: Configure device, check running status. 1249 +((( 1250 +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/]] 1004 1004 ))) 1005 -|**SW2**|((( 1006 -5V position: set to compatible with 5v I/O. 1007 1007 1008 -3.3v position: set to compatible with 3.3v I/O., 1009 -))) 1010 1010 1011 -+3.3V: is always ON 1012 1012 1013 - +5V:Onlyopen before every sampling.Thetime is bydefault, it is AT+5VT=0. Max opentime.5000 ms.1255 +== 5.2 Common AT Command Sequence == 1014 1014 1015 - 1.CaseStudy1257 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1016 1016 1017 - Usercan checkthisURL forsomecasestudies.1259 +If device has not joined network yet: 1018 1018 1019 -[[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]] 1261 +(% class="box infomessage" %) 1262 +((( 1263 +**AT+FDR** 1264 +))) 1020 1020 1266 +(% class="box infomessage" %) 1267 +((( 1268 +**AT+NJM=0** 1269 +))) 1021 1021 1271 +(% class="box infomessage" %) 1272 +((( 1273 +**ATZ** 1274 +))) 1022 1022 1023 1023 1024 -1. Use AT Command 1025 -11. Access AT Command 1277 +((( 1278 +If device already joined network: 1279 +))) 1026 1026 1027 -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. 1281 +(% class="box infomessage" %) 1282 +((( 1283 +**AT+NJM=0** 1284 +))) 1028 1028 1029 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]] 1286 +(% class="box infomessage" %) 1287 +((( 1288 +**ATZ** 1289 +))) 1030 1030 1031 1031 1032 - InPC,User needs to set **serialtool**(suchs [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]],SecureCRT)baudrateto **9600** to access to accessserial console of RS485-BL. Thedefault password is123456.Below is the output for reference:1292 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1033 1033 1034 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]] 1035 1035 1295 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 1036 1036 1297 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 1037 1037 1038 - MoredetailAT Commandmanualanbefound at[[AT CommandManual>>path:#AT_COMMAND]]1299 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 1039 1039 1301 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 1040 1040 1303 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 1041 1041 1042 -1. 1043 -11. Common AT Command Sequence 1044 -111. Multi-channel ABP mode (Use with SX1301/LG308) 1305 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 1045 1045 1046 - Ifdevicehasnotjoinednetworkyet:1307 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1047 1047 1048 -AT+ FDR1309 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 1049 1049 1050 -AT+ NJM=01311 +(% 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. 1051 1051 1052 -ATZ 1313 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 1053 1053 1054 1054 1055 - Ifdevice alreadyjoined network:1316 +(% style="color:red" %)**Note:** 1056 1056 1057 -AT+NJM=0 1318 +((( 1319 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1320 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1321 +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. 1322 +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 1323 +))) 1058 1058 1059 - ATZ1325 +[[image:1654162478620-421.png]] 1060 1060 1061 -1. 1062 -11. 1063 -111. Single-channel ABP mode (Use with LG01/LG02) 1064 1064 1065 - AT+FDRResetParameters toFactoryDefault, Keys Reserve1328 += 6. FAQ = 1066 1066 1067 - AT+NJM=0SettoABPmode1330 +== 6.1 How to upgrade the image? == 1068 1068 1069 -AT+ADR=0 Set the Adaptive Data Rate Off 1332 +((( 1333 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1334 +))) 1070 1070 1071 -AT+DR=5 Set Data Rate 1336 +* ((( 1337 +Support new features 1338 +))) 1339 +* ((( 1340 +For bug fix 1341 +))) 1342 +* ((( 1343 +Change LoRaWAN bands. 1344 +))) 1072 1072 1073 -AT+TDC=60000 Set transmit interval to 60 seconds 1346 +((( 1347 +Below shows the hardware connection for how to upload an image to RS485-LN: 1348 +))) 1074 1074 1075 - AT+CHS=868400000 Set transmit frequency to868.4Mhz1350 +[[image:1654162535040-878.png]] 1076 1076 1077 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 1352 +((( 1353 +**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]]. 1354 +))) 1078 1078 1079 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 1356 +((( 1357 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1358 +))) 1080 1080 1081 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1360 +((( 1361 +**Step3: **Open flashloader; choose the correct COM port to update. 1362 +))) 1082 1082 1083 -ATZ Reset MCU 1364 +((( 1365 +((( 1366 +((( 1367 +(% 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. 1368 +))) 1369 +))) 1370 +))) 1084 1084 1085 -**Note:** 1086 1086 1087 -1. Make sure the device is set to ABP mode in the IoT Server. 1088 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1089 -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. 1090 -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 1373 +[[image:image-20220602175818-12.png]] 1091 1091 1092 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 1093 1093 1376 +[[image:image-20220602175848-13.png]] 1094 1094 1095 -1. FAQ 1096 -11. How to upgrade the image? 1097 1097 1098 - The RS485-BL LoRaWAN Controlleris shipped with a 3.5mm cable, the cableis used to upload imageto RS485-BL to:1379 +[[image:image-20220602175912-14.png]] 1099 1099 1100 -* Support new features 1101 -* For bug fix 1102 -* Change LoRaWAN bands. 1103 1103 1104 - Belowshows thehardware connection forhowto uploadanimageto RS485-BL:1382 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1105 1105 1106 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]1384 +[[image:image-20220602175638-10.png]] 1107 1107 1108 -**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]]. 1109 1109 1110 - **Step2**:Downloadthe[[LT Imagefiles>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].1387 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1111 1111 1112 - **Step3:**Openflashloader;choose thecorrectCOMportto update.1389 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1113 1113 1114 1114 1115 -|((( 1116 -HOLD PRO then press the RST button, SYS will be ON, then click next 1117 -))) 1392 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1118 1118 1119 -|((( 1120 -Board detected 1121 -))) 1394 +The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN 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"]]. 1122 1122 1123 -|((( 1124 - 1125 -))) 1126 1126 1127 - [[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]]1397 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1128 1128 1399 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1129 1129 1401 +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 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]] 1132 1132 1404 += 7. Trouble Shooting = 1133 1133 1134 - [[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]]1406 +== 7.1 Downlink doesn’t work, how to solve it? == 1135 1135 1408 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1136 1136 1137 -1. 1138 -11. How to change the LoRa Frequency Bands/Region? 1139 1139 1140 - Usercanfollow theintroductionfor[[howto upgradeimage>>path:#upgrade_image]]. Whendownloadtheimages, choose the required image file for download.1411 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1141 1141 1413 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1142 1142 1143 1143 1144 -1. 1145 -11. How many RS485-Slave can RS485-BL connects? 1416 += 8. Order Info = 1146 1146 1147 - TheRS485-BL cansupportmax 32 RS485 devices. Each uplink commandof RS485-BL can support max 16 differentRS485command. So RS485-BLcan 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]].1418 +(% style="color:blue" %)**Part Number: RS485-LN-XXX** 1148 1148 1420 +(% style="color:blue" %)**XXX:** 1149 1149 1422 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1423 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1424 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1425 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1426 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1427 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1428 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1429 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1430 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1431 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1150 1150 1433 += 9.Packing Info = 1151 1151 1152 -1. Trouble Shooting 1153 -11. Downlink doesn’t work, how to solve it? 1154 1154 1155 -P leasesee this link fordebug:1436 +**Package Includes**: 1156 1156 1157 -[[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]] 1438 +* RS485-LN x 1 1439 +* Stick Antenna for LoRa RF part x 1 1440 +* Program cable x 1 1158 1158 1442 +**Dimension and weight**: 1159 1159 1444 +* Device Size: 13.5 x 7 x 3 cm 1445 +* Device Weight: 105g 1446 +* Package Size / pcs : 14.5 x 8 x 5 cm 1447 +* Weight / pcs : 170g 1160 1160 1161 -1. 1162 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1449 += 10. FCC Caution for RS485LN-US915 = 1163 1163 1164 -It might about the channels mapping. Please see for detail. 1451 +((( 1452 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1453 +))) 1165 1165 1166 -[[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]] 1455 +((( 1456 +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. 1457 +))) 1167 1167 1459 +((( 1460 + 1461 +))) 1168 1168 1463 +((( 1464 +**IMPORTANT NOTE:** 1465 +))) 1169 1169 1170 -1. Order Info 1467 +((( 1468 +**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: 1469 +))) 1171 1171 1172 -**Part Number: RS485-BL-XXX** 1471 +((( 1472 +—Reorient or relocate the receiving antenna. 1473 +))) 1173 1173 1174 -**XXX:** 1475 +((( 1476 +—Increase the separation between the equipment and receiver. 1477 +))) 1175 1175 1176 -* **EU433**: frequency bands EU433 1177 -* **EU868**: frequency bands EU868 1178 -* **KR920**: frequency bands KR920 1179 -* **CN470**: frequency bands CN470 1180 -* **AS923**: frequency bands AS923 1181 -* **AU915**: frequency bands AU915 1182 -* **US915**: frequency bands US915 1183 -* **IN865**: frequency bands IN865 1184 -* **RU864**: frequency bands RU864 1185 -* **KZ865: **frequency bands KZ865 1479 +((( 1480 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1481 +))) 1186 1186 1187 -1. Packing Info 1483 +((( 1484 +—Consult the dealer or an experienced radio/TV technician for help. 1485 +))) 1188 1188 1189 -**Package Includes**: 1487 +((( 1488 + 1489 +))) 1190 1190 1191 - * RS485-BL x 11192 -* Stick AntennaforLoRaRF partx 11193 - * Program cable x 11491 +((( 1492 +**FCC Radiation Exposure Statement:** 1493 +))) 1194 1194 1195 -**Dimension and weight**: 1495 +((( 1496 +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. 1497 +))) 1196 1196 1197 -* Device Size: 13.5 x 7 x 3 cm 1198 -* Device Weight: 105g 1199 -* Package Size / pcs : 14.5 x 8 x 5 cm 1200 -* Weight / pcs : 170g 1201 1201 1202 -1. Support 1500 += 11. Support = 1203 1203 1204 -* 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. 1205 -* 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 1206 - 1207 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1502 +* ((( 1503 +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. 1504 +))) 1505 +* ((( 1506 +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]]. 1507 +)))
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