Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -394,19 +394,20 @@ 394 394 When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling. 395 395 ))) 396 396 397 -(% border="1" style="background-color:#ffffcc; color:green; width: 806px" %)398 -|**AT Commands**|(% style="width: 418px" %)**Description**|(% style="width:256px" %)**Example**399 -|AT+CFGDEV|(% style="width: 418px" %)(((397 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 398 +|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 399 +|AT+CFGDEV|(% style="width:120px" %)((( 400 400 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 401 401 402 402 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 403 403 404 404 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 405 -)))|(% style="width: 256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m405 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 406 406 407 407 Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 408 408 409 409 410 + 410 410 === 3.3.3 Configure read commands for each sampling === 411 411 412 412 ((( ... ... @@ -473,20 +473,32 @@ 473 473 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 474 474 ))) 475 475 477 +((( 476 476 **Examples:** 479 +))) 477 477 481 +((( 478 478 Below are examples for the how above AT Commands works. 483 +))) 479 479 485 +((( 480 480 **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is: 487 +))) 481 481 482 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:50 1px" %)489 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %) 483 483 |(% style="width:498px" %)((( 491 +((( 484 484 **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 493 +))) 485 485 495 +((( 486 486 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 497 +))) 487 487 499 +((( 488 488 **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command** 489 489 ))) 502 +))) 490 490 491 491 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. 492 492 ... ... @@ -494,7 +494,7 @@ 494 494 495 495 **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx. 496 496 497 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:5 80px" %)510 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %) 498 498 |(% style="width:577px" %)((( 499 499 **AT+SEARCHx=aa,xx xx xx xx xx** 500 500 ... ... @@ -522,7 +522,7 @@ 522 522 523 523 **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 524 524 525 -(% style="background-color:#4f81bd; color:white; width: 729px" %)538 +(% style="background-color:#4f81bd; color:white; width:510px" %) 526 526 |(% style="width:726px" %)((( 527 527 **AT+DATACUTx=a,b,c** 528 528 ... ... @@ -590,10 +590,14 @@ 590 590 591 591 ((( 592 592 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 + 593 593 ))) 594 594 595 595 ((( 596 596 (% style="color:#037691" %)**Examples: AT+DATAUP=0** 612 + 613 + 597 597 ))) 598 598 599 599 (((