Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Karry Zhuang on 2025/03/06 16:34
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... ... @@ -76,8 +76,6 @@ 76 76 * Automatic RF Sense and CAD with ultra-fast AFC. 77 77 * Packet engine up to 256 bytes with CRC. 78 78 79 - 80 - 81 81 == 1.3 Features == 82 82 83 83 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -89,8 +89,6 @@ 89 89 * Support Modbus protocol 90 90 * Support Interrupt uplink (Since hardware version v1.2) 91 91 92 - 93 - 94 94 == 1.4 Applications == 95 95 96 96 * Smart Buildings & Home Automation ... ... @@ -100,8 +100,6 @@ 100 100 * Smart Cities 101 101 * Smart Factory 102 102 103 - 104 - 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/]] ... ... @@ -289,8 +289,6 @@ 289 289 ))) 290 290 ))) 291 291 292 - 293 - 294 294 === 3.3.2 Configure sensors === 295 295 296 296 ((( ... ... @@ -309,8 +309,6 @@ 309 309 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 310 310 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 311 311 312 - 313 - 314 314 === 3.3.3 Configure read commands for each sampling === 315 315 316 316 ((( ... ... @@ -329,11 +329,9 @@ 329 329 330 330 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. 331 331 332 -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 322 +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 333 333 334 -**AT+CMDDL1=1000** to send the open time to 1000ms 335 335 336 - 337 337 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 338 338 339 339 ... ... @@ -364,10 +364,9 @@ 364 364 365 365 * **a: length for the return of AT+COMMAND** 366 366 * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.** 367 -* **c: define the position for valid value. 355 +* **c: define the position for valid value. ** 368 368 ))) 369 369 370 - 371 371 **Examples:** 372 372 373 373 * Grab bytes: ... ... @@ -383,6 +383,8 @@ 383 383 * Grab different sections. 384 384 385 385 [[image:image-20220602153621-3.png]] 373 + 374 + 386 386 ))) 387 387 388 388 === 3.3.4 Compose the uplink payload === ... ... @@ -389,10 +389,14 @@ 389 389 390 390 ((( 391 391 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.** 381 + 382 + 392 392 ))) 393 393 394 394 ((( 395 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0** 386 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 387 + 388 + 396 396 ))) 397 397 398 398 ((( ... ... @@ -413,8 +413,10 @@ 413 413 414 414 [[image:1653269759169-150.png||height="513" width="716"]] 415 415 416 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 417 417 410 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 411 + 412 + 418 418 Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**. 419 419 420 420 Final Payload is
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