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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... ... @@ -509,14 +509,27 @@ 509 509 510 510 == 3.5 Configure RS485-BL via AT or Downlink == 511 511 512 +((( 512 512 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 514 +))) 513 513 516 +((( 514 514 There are two kinds of Commands: 518 +))) 515 515 516 -* (% 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 +))) 517 517 518 -* (% 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 +))) 519 519 528 +((( 529 + 530 +))) 531 + 532 + 520 520 === 3.5.1 Common Commands === 521 521 522 522 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]] ... ... @@ -535,82 +535,160 @@ 535 535 536 536 537 537 551 + 538 538 ==== **RS485 Debug Command** ==== 539 539 554 +((( 540 540 This command is used to configure the RS485 devices; they won’t be used during sampling. 556 +))) 541 541 542 -* **AT Command** 558 +* ((( 559 +**AT Command** 560 +))) 543 543 544 544 (% class="box infomessage" %) 545 545 ((( 564 +((( 546 546 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 547 547 ))) 567 +))) 548 548 569 +((( 549 549 m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 571 +))) 550 550 551 -* **Downlink Payload** 573 +* ((( 574 +**Downlink Payload** 575 +))) 552 552 577 +((( 553 553 Format: A8 MM NN XX XX XX XX YY 579 +))) 554 554 581 +((( 555 555 Where: 583 +))) 556 556 557 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 558 -* NN: The length of RS485 command 559 -* XX XX XX XX: RS485 command total NN bytes 560 -* YY: How many bytes will be uplink from the return of this RS485 command, 561 -** if YY=0, RS485-LN will execute the downlink command without uplink; 562 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 563 -** 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 +))) 564 564 599 +* ((( 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 +((( 565 565 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 612 +))) 566 566 614 +((( 567 567 To connect a Modbus Alarm with below commands. 616 +))) 568 568 569 -* 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 +))) 570 570 571 -* 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 +))) 572 572 626 +((( 573 573 So if user want to use downlink command to control to RS485 Alarm, he can use: 628 +))) 574 574 630 +((( 575 575 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 632 +))) 576 576 634 +((( 577 577 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 636 +))) 578 578 638 +((( 579 579 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 +))) 580 580 642 +((( 643 + 644 +))) 581 581 646 +((( 582 582 **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 648 +))) 583 583 650 +((( 584 584 User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 652 +))) 585 585 654 +((( 655 + 656 +))) 586 586 658 +((( 587 587 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 +))) 588 588 662 +((( 589 589 **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 664 +))) 590 590 666 +((( 591 591 [[image:1654159460680-153.png]] 668 +))) 592 592 593 593 594 594 672 + 595 595 ==== **Set Payload version** ==== 596 596 675 +((( 597 597 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. 677 +))) 598 598 599 -* **AT Command:** 679 +* ((( 680 +**AT Command:** 681 +))) 600 600 601 601 (% class="box infomessage" %) 602 602 ((( 685 +((( 603 603 **AT+PAYVER: Set PAYVER field = 1** 604 604 ))) 688 +))) 605 605 606 -* **Downlink Payload:** 690 +* ((( 691 +**Downlink Payload:** 692 +))) 607 607 694 +((( 608 608 **0xAE 01** ~-~-> Set PAYVER field = 0x01 696 +))) 609 609 698 +((( 610 610 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 700 +))) 611 611 612 612 613 613 704 + 614 614 ==== **Set RS485 Sampling Commands** ==== 615 615 616 616 AT+COMMANDx or AT+DATACUTx