Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -501,33 +501,35 @@ 501 501 502 502 == 3.4 Uplink Payload == 503 503 504 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %) 505 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands** 506 -|Value|(% style="width:120px" %)((( 507 -Battery(mV) 508 508 509 - &505 +[[image:image-20220606110929-1.png]] 510 510 511 -Interrupt _Flag 512 -)))|(% style="width:116px" %)((( 513 -PAYLOAD_VER 514 - 515 - 516 -)))|(% 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. 517 - 518 518 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 519 519 520 520 521 521 == 3.5 Configure RS485-BL via AT or Downlink == 522 522 512 +((( 523 523 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 514 +))) 524 524 516 +((( 525 525 There are two kinds of Commands: 518 +))) 526 526 527 -* (% 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]] 520 +* ((( 521 +(% 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]] 522 +))) 528 528 529 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 524 +* ((( 525 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 526 +))) 530 530 528 +((( 529 + 530 +))) 531 + 532 + 531 531 === 3.5.1 Common Commands === 532 532 533 533 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]] ... ... @@ -546,82 +546,159 @@ 546 546 547 547 548 548 551 + 549 549 ==== **RS485 Debug Command** ==== 550 550 554 +((( 551 551 This command is used to configure the RS485 devices; they won’t be used during sampling. 556 +))) 552 552 553 -* **AT Command** 558 +* ((( 559 +**AT Command** 560 +))) 554 554 555 555 (% class="box infomessage" %) 556 556 ((( 564 +((( 557 557 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 558 558 ))) 567 +))) 559 559 569 +((( 560 560 m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 571 +))) 561 561 562 -* **Downlink Payload** 573 +* ((( 574 +**Downlink Payload** 575 +))) 563 563 577 +((( 564 564 Format: A8 MM NN XX XX XX XX YY 579 +))) 565 565 581 +((( 566 566 Where: 583 +))) 567 567 568 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 569 -* NN: The length of RS485 command 570 -* XX XX XX XX: RS485 command total NN bytes 571 -* YY: How many bytes will be uplink from the return of this RS485 command, 572 -** if YY=0, RS485-LN will execute the downlink command without uplink; 573 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 574 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 585 +* ((( 586 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 587 +))) 588 +* ((( 589 +NN: The length of RS485 command 590 +))) 591 +* ((( 592 +XX XX XX XX: RS485 command total NN bytes 593 +))) 594 +* ((( 595 +((( 596 +YY: How many bytes will be uplink from the return of this RS485 command, 597 +))) 575 575 599 +* ((( 600 +if YY=0, RS485-LN will execute the downlink command without uplink; 601 +))) 602 +* ((( 603 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 604 +))) 605 +* ((( 606 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 607 +))) 608 +))) 609 + 610 +((( 576 576 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 612 +))) 577 577 614 +((( 578 578 To connect a Modbus Alarm with below commands. 616 +))) 579 579 580 -* 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. 618 +* ((( 619 +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. 620 +))) 581 581 582 -* 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. 622 +* ((( 623 +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. 624 +))) 583 583 626 +((( 584 584 So if user want to use downlink command to control to RS485 Alarm, he can use: 628 +))) 585 585 630 +((( 586 586 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 632 +))) 587 587 634 +((( 588 588 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 636 +))) 589 589 638 +((( 590 590 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. 640 +))) 591 591 642 +((( 643 + 644 +))) 592 592 646 +((( 593 593 **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 648 +))) 594 594 650 +((( 595 595 User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 652 +))) 596 596 654 +((( 655 + 656 +))) 597 597 658 +((( 598 598 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: 660 +))) 599 599 662 +((( 600 600 **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 664 +))) 601 601 666 +((( 602 602 [[image:1654159460680-153.png]] 668 +))) 603 603 604 604 605 605 606 606 ==== **Set Payload version** ==== 607 607 674 +((( 608 608 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. 676 +))) 609 609 610 -* **AT Command:** 678 +* ((( 679 +**AT Command:** 680 +))) 611 611 612 612 (% class="box infomessage" %) 613 613 ((( 684 +((( 614 614 **AT+PAYVER: Set PAYVER field = 1** 615 615 ))) 687 +))) 616 616 617 -* **Downlink Payload:** 689 +* ((( 690 +**Downlink Payload:** 691 +))) 618 618 693 +((( 619 619 **0xAE 01** ~-~-> Set PAYVER field = 0x01 695 +))) 620 620 697 +((( 621 621 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 699 +))) 622 622 623 623 624 624 703 + 625 625 ==== **Set RS485 Sampling Commands** ==== 626 626 627 627 AT+COMMANDx or AT+DATACUTx
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