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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... ... @@ -499,6 +499,7 @@ 499 499 500 500 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 501 501 502 + 502 502 === 3.5.1 Common Commands === 503 503 504 504 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]] ... ... @@ -544,6 +544,7 @@ 544 544 ** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 545 545 ** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 546 546 548 + 547 547 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 548 548 549 549 To connect a Modbus Alarm with below commands. ... ... @@ -572,243 +572,4 @@ 572 572 573 573 [[image:1654159460680-153.png]] 574 574 575 - 576 - 577 -==== **Set Payload version** ==== 578 - 579 -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. 580 - 581 -* **AT Command:** 582 - 583 -(% class="box infomessage" %) 584 -((( 585 -**AT+PAYVER: Set PAYVER field = 1** 586 -))) 587 - 588 -* **Downlink Payload:** 589 - 590 -**0xAE 01** ~-~-> Set PAYVER field = 0x01 591 - 592 -**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 593 - 594 - 595 - 596 -==== **Set RS485 Sampling Commands** ==== 597 - 598 -AT+COMMANDx or AT+DATACUTx 599 - 600 -These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 601 - 602 - 603 -* **AT Command:** 604 - 605 -(% class="box infomessage" %) 606 -((( 607 -**AT+COMMANDx: Configure RS485 read command to sensor.** 608 -))) 609 - 610 -(% class="box infomessage" %) 611 -((( 612 -**AT+DATACUTx: Configure how to handle return from RS485 devices.** 613 -))) 614 - 615 - 616 -* **Downlink Payload:** 617 - 618 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 619 - 620 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 621 - 622 -Format: AF MM NN LL XX XX XX XX YY 623 - 624 -Where: 625 - 626 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 627 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 628 -* LL: The length of AT+COMMAND or AT+DATACUT command 629 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 630 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 631 - 632 -**Example:** 633 - 634 -(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 635 - 636 -(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10** 637 - 638 -(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10** 639 - 640 - 641 - 642 -==== **Fast command to handle MODBUS device** ==== 643 - 644 -AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]]. 645 - 646 -This command is valid since v1.3 firmware version 647 - 648 -AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 649 - 650 - 651 -**Example:** 652 - 653 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 654 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 655 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 656 - 657 -[[image:image-20220602165351-6.png]] 658 - 659 -[[image:image-20220602165351-7.png]] 660 - 661 - 662 - 663 -==== **RS485 command timeout** ==== 664 - 665 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action. 666 - 667 -Default value: 0, range: 0 ~~ 5 seconds 668 - 669 - 670 -* **AT Command:** 671 - 672 -(% class="box infomessage" %) 673 -((( 674 -**AT+CMDDLaa=hex(bb cc)** 675 -))) 676 - 677 -**Example:** 678 - 679 -**AT+CMDDL1=1000** to send the open time to 1000ms 680 - 681 - 682 -* **Downlink Payload:** 683 - 684 -0x AA aa bb cc 685 - 686 -Same as: AT+CMDDLaa=hex(bb cc) 687 - 688 - **Example:** 689 - 690 - **0xAA 01 03 E8** ~-~-> Same as **AT+CMDDL1=1000 ms** 691 - 692 - 693 - 694 -==== **Uplink payload mode** ==== 695 - 696 -Define to use one uplink or multiple uplinks for the sampling. 697 - 698 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 699 - 700 -* **AT Command:** 701 - 702 -(% class="box infomessage" %) 703 -((( 704 -**AT+DATAUP=0** 705 -))) 706 - 707 -(% class="box infomessage" %) 708 -((( 709 -**AT+DATAUP=1** 710 -))) 711 - 712 - 713 -* **Downlink Payload:** 714 - 715 -**0xAD 00** **~-~->** Same as AT+DATAUP=0 716 - 717 -**0xAD 01** **~-~->** Same as AT+DATAUP=1 718 - 719 - 720 - 721 -==== **Manually trigger an Uplink** ==== 722 - 723 -Ask device to send an uplink immediately. 724 - 725 -* **Downlink Payload:** 726 - 727 -**0x08 FF**, RS485-BL will immediately send an uplink. 728 - 729 - 730 - 731 -==== **Clear RS485 Command** ==== 732 - 733 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 734 - 735 - 736 -* **AT Command:** 737 - 738 -(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 739 - 740 -Example screen shot after clear all RS485 commands. 741 - 742 - 743 -The uplink screen shot is: 744 - 745 -[[image:1654134704555-320.png]] 746 - 747 - 748 -* **Downlink Payload:** 749 - 750 -**0x09 aa bb** same as AT+CMDEAR=aa,bb 751 - 752 - 753 - 754 -==== **Set Serial Communication Parameters** ==== 755 - 756 -Set the Rs485 serial communication parameters: 757 - 758 -* **AT Command:** 759 - 760 -Set Baud Rate: 761 - 762 -(% class="box infomessage" %) 763 -((( 764 -**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 765 -))) 766 - 767 -Set UART Parity 768 - 769 -(% class="box infomessage" %) 770 -((( 771 -**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 772 -))) 773 - 774 -Set STOPBIT 775 - 776 -(% class="box infomessage" %) 777 -((( 778 -**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 779 -))) 780 - 781 - 782 -* **Downlink Payload:** 783 - 784 -**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 785 - 786 -**Example:** 787 - 788 -* A7 01 00 60 same as AT+BAUDR=9600 789 -* A7 01 04 80 same as AT+BAUDR=115200 790 - 791 -A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 792 - 793 -A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 794 - 795 - 796 - 797 -==== **Control output power duration** ==== 798 - 799 -User can set the output power duration before each sampling. 800 - 801 -* **AT Command:** 802 - 803 -**Example:** 804 - 805 -**AT+3V3T=1000** ~/~/ 3V3 output power will open 1s before each sampling. 806 - 807 -**AT+5VT=1000** ~/~/ +5V output power will open 1s before each sampling. 808 - 809 - 810 -* **LoRaWAN Downlink Command:** 811 - 812 -**07 01 aa bb** Same as AT+5VT=(aa bb) 813 - 814 -**07 02 aa bb** Same as AT+3V3T=(aa bb) 577 +==== ====
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