Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -383,7 +383,6 @@ 383 383 ))) 384 384 385 385 386 - 387 387 === 3.3.2 Configure sensors === 388 388 389 389 ((( ... ... @@ -407,7 +407,6 @@ 407 407 Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 408 408 409 409 410 - 411 411 === 3.3.3 Configure read commands for each sampling === 412 412 413 413 ((( ... ... @@ -474,32 +474,20 @@ 474 474 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 475 475 ))) 476 476 477 -((( 478 478 **Examples:** 479 -))) 480 480 481 -((( 482 482 Below are examples for the how above AT Commands works. 483 -))) 484 484 485 -((( 486 486 **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 487 -))) 488 488 489 489 (% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %) 490 490 |(% style="width:498px" %)((( 491 -((( 492 492 **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 493 -))) 494 494 495 -((( 496 496 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 497 -))) 498 498 499 -((( 500 500 **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 501 501 ))) 502 -))) 503 503 504 504 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. 505 505 ... ... @@ -603,14 +603,10 @@ 603 603 604 604 ((( 605 605 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.** 606 - 607 - 608 608 ))) 609 609 610 610 ((( 611 611 (% style="color:#037691" %)**Examples: AT+DATAUP=0** 612 - 613 - 614 614 ))) 615 615 616 616 (((