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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... ... @@ -499,46 +499,39 @@ 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 - 503 - 504 504 === 3.5.1 Common Commands === 505 505 506 506 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]] 507 507 508 508 509 -=== 3.5.2 Sensor related commands :===507 +=== 3.5.2 Sensor related commands === 510 510 511 - ==== ChooseDeviceType(RS485orTTL)====509 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server. 512 512 513 - RS485-BL can connect to either RS485sensors or TTL sensor.Userneed to specify whattype of sensor needo connect.511 +[[image:image-20220602163333-5.png||height="263" width="1160"]] 514 514 515 - *ATCommand513 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable) 516 516 517 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 518 518 519 - **AT+MOD=2**~/~/Set to support TTL Level sensors,Usercan connectoneTTL Sensor to the TXD/RXD/GND pins.516 +=== 3.5.3 Sensor related commands === 520 520 518 +==== ==== 521 521 522 -* D ownlinkPayload520 +==== **RS485 Debug Command** ==== 523 523 524 - **0Aaa**àsameasAT+MOD=aa522 +This command is used to configure the RS485 devices; they won’t be used during sampling. 525 525 524 +* **AT Command** 526 526 526 +(% class="box infomessage" %) 527 +((( 528 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 529 +))) 527 527 528 - ====[[RS485DebugCommand>>path:#downlink_A8]](AT+CFGDEV) ====531 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 529 529 530 - Thiscommand is used to configure the RS485 or TTL sensors; theywon’t be used duringsampling.533 +* **Downlink Payload** 531 531 532 -* AT Command 533 - 534 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 535 - 536 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 537 - 538 - 539 - 540 -* Downlink Payload 541 - 542 542 Format: A8 MM NN XX XX XX XX YY 543 543 544 544 Where: ... ... @@ -546,9 +546,12 @@ 546 546 * MM: 1: add CRC-16/MODBUS ; 0: no CRC 547 547 * NN: The length of RS485 command 548 548 * XX XX XX XX: RS485 command total NN bytes 549 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command 542 +* YY: How many bytes will be uplink from the return of this RS485 command, 543 +** if YY=0, RS485-LN will execute the downlink command without uplink; 544 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 545 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 550 550 551 -**Example 1 :**547 +**Example 1** ~-~-> Configure without ask for uplink (YY=0) 552 552 553 553 To connect a Modbus Alarm with below commands. 554 554 ... ... @@ -558,184 +558,191 @@ 558 558 559 559 So if user want to use downlink command to control to RS485 Alarm, he can use: 560 560 561 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 557 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 562 562 563 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 559 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 564 564 565 565 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. 566 566 567 567 568 -**Example 2 :**564 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 569 569 570 - CheckTTLSensorurn:566 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 571 571 572 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] 573 573 569 +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: 574 574 571 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 575 575 573 + [[image:1654159460680-153.png]] 576 576 577 -==== Set Payload version ==== 578 578 579 -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. 580 580 581 -* AT Command:577 +==== **Set Payload version** ==== 582 582 583 - AT+PAYVER:Set PAYVER field=1579 +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. 584 584 581 +* **AT Command:** 585 585 586 -* Downlink Payload: 583 +(% class="box infomessage" %) 584 +((( 585 +**AT+PAYVER: Set PAYVER field = 1** 586 +))) 587 587 588 - 0xAE01à SetPAYVER field= 0x01588 +* **Downlink Payload:** 589 589 590 -0xAE 0 FàSet PAYVER field = 0x0F590 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 591 591 592 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 592 592 593 -==== Set RS485 Sampling Commands ==== 594 594 595 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 596 596 597 - Thesethree commands are usedtoconfigure how theRS485-BLpollingdata fromModbus device. Detail of usage please see : [[polling RS485device>>path:#polling_485]].596 +==== **Set RS485 Sampling Commands** ==== 598 598 598 +AT+COMMANDx or AT+DATACUTx 599 599 600 - * ATCommand: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"]]. 601 601 602 -AT+COMMANDx: Configure RS485 read command to sensor. 603 603 604 -AT +DATACUTx:Configure how to handle return from RS485 devices.603 +* **AT Command:** 605 605 606 -AT+SEARCHx: Configure search command 605 +(% class="box infomessage" %) 606 +((( 607 +**AT+COMMANDx: Configure RS485 read command to sensor.** 608 +))) 607 607 610 +(% class="box infomessage" %) 611 +((( 612 +**AT+DATACUTx: Configure how to handle return from RS485 devices.** 613 +))) 608 608 609 -* Downlink Payload: 610 610 611 - 0xAFdownlinkcommandcan be used to set AT+COMMANDx or AT+DATACUTx.616 +* **Downlink Payload:** 612 612 613 - Note: if user use AT+COMMANDxto add a new command,healso need to sendAT+DATACUTxdownlink.618 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 614 614 620 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 621 + 615 615 Format: AF MM NN LL XX XX XX XX YY 616 616 617 617 Where: 618 618 619 619 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 620 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 621 -* LL: The length of AT+COMMAND or AT+DATACUT command 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 622 622 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 623 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485- BL will execute an uplink after got this 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. 624 624 625 -Example: 632 +**Example:** 626 626 627 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 634 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 628 628 629 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 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** 630 630 631 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 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** 632 632 633 633 634 -0xAB downlink command can be used for set AT+SEARCHx 635 635 636 - Example:**ABaa01 03 xx xx xx** (03 heremeanstherearetotal3 bytes after03) So642 +==== **Fast command to handle MODBUS device** ==== 637 637 638 -* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 639 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands 640 - 641 -**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 642 - 643 - 644 -==== Fast command to handle MODBUS device ==== 645 - 646 646 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]]. 647 647 648 648 This command is valid since v1.3 firmware version 649 649 648 +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. 650 650 651 -AT+MBFUN has only two value: 652 652 653 -* AT+MBFUN=1:EnableModbus reading. And get response base on the MODBUS return651 +**Example:** 654 654 655 -AT+MBFUN=1, device 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. 656 - 657 -* AT+MBFUN=0: Disable Modbus fast reading. 658 - 659 -Example: 660 - 661 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 653 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 662 662 * 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. 663 663 * 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. 664 664 665 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]657 +[[image:image-20220602165351-6.png]] 666 666 659 +[[image:image-20220602165351-7.png]] 667 667 668 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]] 669 669 670 670 671 -* Downlink Commands:663 +==== **RS485 command timeout** ==== 672 672 673 - A9aa-àSameasAT+MBFUN=aa665 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action. 674 674 667 +Default value: 0, range: 0 ~~ 65 seconds 675 675 676 - ====RS485commandtimeout ====669 +* **AT Command:** 677 677 678 -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. 671 +(% class="box infomessage" %) 672 +((( 673 +**AT+CMDDLaa=hex(bb cc)*1000** 674 +))) 679 679 680 - Default value:0, range: 0 ~~ 5 seconds676 +**Example:** 681 681 678 +**AT+CMDDL1=1000** to send the open time to 1000ms 682 682 683 -* AT Command: 684 684 685 - AT+CMDDLaa=hex(bb cc)681 +* **Downlink Payload:** 686 686 687 - Example:683 +**0x AA aa bb cc** 688 688 689 - **AT+CMDDL1=1000** to send theopen time to1000ms685 +Same as: AT+CMDDLaa=hex(bb cc)*1000 690 690 687 + **Example:** 691 691 692 - *DownlinkPayload:689 + 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 693 693 694 -0x AA aa bb cc 695 695 696 -Same as: AT+CMDDLaa=hex(bb cc) 697 697 698 - Example:693 +==== **Uplink payload mode** ==== 699 699 700 - 0xAA0103E8 à Sameas**AT+CMDDL1=1000ms**695 +Define to use one uplink or multiple uplinks for the sampling. 701 701 697 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 702 702 703 - ====[[Uplink>>path:#downlink_A8]]payloadmode ====699 +* **AT Command:** 704 704 705 -Define to use one uplink or multiple uplinks for the sampling. 701 +(% class="box infomessage" %) 702 +((( 703 +**AT+DATAUP=0** 704 +))) 706 706 707 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]] 706 +(% class="box infomessage" %) 707 +((( 708 +**AT+DATAUP=1** 709 +))) 708 708 709 -* AT Command: 710 710 711 - AT+DATAUP=0712 +* **Downlink Payload:** 712 712 713 -AT+DATAUP= 1714 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 714 714 716 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 715 715 716 -* Downlink Payload: 717 717 718 -0xAD 00 à Same as AT+DATAUP=0 719 719 720 - 0xAD01 à Same asAT+DATAUP=1720 +==== **Manually trigger an Uplink** ==== 721 721 722 +Ask device to send an uplink immediately. 722 722 723 - ====ManuallytriggeranUplink ====724 +* **AT Command:** 724 724 725 -A skdeviceto sendan uplinkimmediately.726 +No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same. 726 726 727 -* Downlink Payload: 728 728 729 - 0x08FF, RS485-BLwillimmediately sendan uplink.729 +* **Downlink Payload:** 730 730 731 +**0x08 FF**, RS485-LN will immediately send an uplink. 731 731 732 -==== Clear RS485 Command ==== 733 733 734 - TheAT+COMMANDxandAT+DATACUTx settings are stored in special location, user can use below command to clear them.734 +==== ==== 735 735 736 +==== **Clear RS485 Command** ==== 736 736 737 - *AT Command:738 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 738 738 740 +* **AT Command:** 741 + 739 739 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 740 740 741 741 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 ... ... @@ -743,43 +743,50 @@ 743 743 Example screen shot after clear all RS485 commands. 744 744 745 745 746 - 747 747 The uplink screen shot is: 748 748 749 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image0 23.png]]751 +[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]] 750 750 751 751 752 -* Downlink Payload: 754 +* **Downlink Payload:** 753 753 754 -0x09 aa bb same as AT+CMDEAR=aa,bb 756 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 755 755 756 756 757 -==== Set Serial Communication Parameters ==== 758 758 760 +==== **Set Serial Communication Parameters** ==== 761 + 759 759 Set the Rs485 serial communication parameters: 760 760 761 -* AT Command: 764 +* **AT Command:** 762 762 763 763 Set Baud Rate: 764 764 765 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 768 +(% class="box infomessage" %) 769 +((( 770 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 771 +))) 766 766 773 +Set UART Parity 767 767 768 -Set UART parity 775 +(% class="box infomessage" %) 776 +((( 777 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 778 +))) 769 769 770 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 771 - 772 - 773 773 Set STOPBIT 774 774 775 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 782 +(% class="box infomessage" %) 783 +((( 784 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 785 +))) 776 776 777 777 778 -* Downlink Payload: 788 +* **Downlink Payload:** 779 779 780 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 790 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 781 781 782 -Example: 792 +**Example:** 783 783 784 784 * A7 01 00 60 same as AT+BAUDR=9600 785 785 * A7 01 04 80 same as AT+BAUDR=115200 ... ... @@ -789,180 +789,160 @@ 789 789 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 790 790 791 791 792 -== ==Controloutputpowerduration====802 +== 3.6 Listening mode for RS485 network == 793 793 794 - Usercan settheoutputpowerdurationbeforeeach sampling.804 +This feature support since firmware v1.4 795 795 796 - *AT Command:806 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN. 797 797 798 - Example:808 +[[image:image-20220602171200-8.png||height="567" width="1007"]] 799 799 800 - AT+3V3T=1000 ~/~/ 3V3outputpower willopen1sbefore eachsampling.810 +To enable the listening mode, use can run the command AT+RXMODE. 801 801 802 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling. 803 803 813 +(% border="1" style="background-color:#ffffcc; width:500px" %) 814 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 815 +|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 816 +|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 817 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 818 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 804 804 805 -* LoRaWANDownlink Command:820 +**Downlink Command:** 806 806 807 -0 701aa bbSame as AT+5VT=(aa822 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 808 808 809 -07 02 aa bb Same as AT+3V3T=(aa bb) 810 810 825 +**Example**: 811 811 827 +The RS485-LN is set to AT+RXMODE=2,1000 812 812 829 +There is a two Modbus commands in the RS485 network as below: 813 813 814 -1. 815 -11. Buttons 831 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 816 816 817 -|**Button**|**Feature** 818 -|**RST**|Reboot RS485-BL 833 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 819 819 820 -1. 821 -11. +3V3 Output 835 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 822 822 823 - RS485-BL has a Controllable+3V3 output, user can use this output to power external sensor.837 +[[image:image-20220602171200-9.png]] 824 824 825 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 826 826 840 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 827 827 828 -The +3V3 output time can be controlled by AT Command. 829 829 830 - **AT+3V3T=1000**843 +== 3.7 Buttons == 831 831 832 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 833 833 846 +(% border="1" style="background-color:#f7faff; width:500px" %) 847 +|=**Button**|=(% style="width: 1420px;" %)**Feature** 848 +|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink** 849 +|**RST**|(% style="width:1420px" %)Reboot RS485 850 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]] 834 834 835 - Bydefault, the AT+3V3T=0.Thisis a special case, means the +3V3 output is always on at any time852 +== 3.8 LEDs == 836 836 854 +(% border="1" style="background-color:#f7faff; width:500px" %) 855 +|=**LEDs**|=**Feature** 856 +|**PWR**|Always on if there is power 857 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 837 837 838 -1. 839 -11. +5V Output 840 840 841 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 842 842 843 - The+5Voutput will be valid for everysampling. RS485-BL willenable+5V output before all sampling anddisable the +5v after all sampling.861 += 4. Case Study = 844 844 863 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] 845 845 846 -The 5V output time can be controlled by AT Command. 847 847 848 - **AT+5VT=1000**866 += 5. Use AT Command = 849 849 850 - Meansset5V valid time to have 1000ms.So, the real 5V output will actually have1000ms+samplingtimefor other sensors.868 +== 5.1 Access AT Command == 851 851 870 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below. 852 852 853 - By default, theAT+5VT=0. If the external sensor which require5v and require more time to get stable state, user can use this command to increase thepower ON durationfor this sensor.872 +[[image:1654135840598-282.png]] 854 854 855 855 875 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference: 856 856 877 +[[image:1654136105500-922.png]] 857 857 858 -1. 859 -11. LEDs 860 860 861 -|**LEDs**|**Feature** 862 -|**LED1**|Blink when device transmit a packet. 880 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]] 863 863 864 -1. 865 -11. Switch Jumper 866 866 867 -|**Switch Jumper**|**Feature** 868 -|**SW1**|((( 869 -ISP position: Upgrade firmware via UART 883 +== 5.2 Common AT Command Sequence == 870 870 871 -Flash position: Configure device, check running status. 885 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 886 + 887 +If device has not joined network yet: 888 + 889 +(% class="box infomessage" %) 890 +((( 891 +**AT+FDR** 872 872 ))) 873 -|**SW2**|((( 874 -5V position: set to compatible with 5v I/O. 875 875 876 -3.3v position: set to compatible with 3.3v I/O., 894 +(% class="box infomessage" %) 895 +((( 896 +**AT+NJM=0** 877 877 ))) 878 878 879 -+3.3V: is always ON 899 +(% class="box infomessage" %) 900 +((( 901 +**ATZ** 902 +))) 880 880 881 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 882 882 883 - 1.CaseStudy905 +If device already joined network: 884 884 885 -User can check this URL for some case studies. 907 +(% class="box infomessage" %) 908 +((( 909 +**AT+NJM=0** 910 +))) 886 886 887 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]] 912 +(% class="box infomessage" %) 913 +((( 914 +**ATZ** 915 +))) 888 888 889 889 918 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 890 890 891 891 892 -1. Use AT Command 893 -11. Access AT Command 921 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve 894 894 895 - RS485-BLsupports AT Commandset. Usercan use a USB toTTL adapter plus the 3.5mm Program Cable toconnecttoRS485-BLtouseATcommand, as below.923 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode 896 896 897 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]925 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off 898 898 927 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%)Set Data Rate 899 899 900 - In PC, User needs to set **serial tool**(suchas[[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baudrate to**9600**toaccesstoaccess serialconsoleof RS485-BL. The defaultpasswordis 123456.Below istheutput for reference:929 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds 901 901 902 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]931 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz 903 903 933 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 904 904 935 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5** (%%) Set RX2DR to match the downlink DR from server. see below 905 905 906 - MoredetailATCommandmanualcan be foundat[[AT CommandManual>>path:#AT_COMMAND]]937 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 907 907 939 +(% style="background-color:#dcdcdc" %)**ATZ** (%%) Reset MCU 908 908 909 909 910 -1. 911 -11. Common AT Command Sequence 912 -111. Multi-channel ABP mode (Use with SX1301/LG308) 942 +(% style="color:red" %)**Note:** 913 913 914 -If device has not joined network yet: 944 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 945 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 946 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 947 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 915 915 916 - AT+FDR949 +[[image:1654136435598-589.png]] 917 917 918 -AT+NJM=0 919 919 920 -A TZ952 += 6. FAQ = 921 921 954 +== 6.1 How to upgrade the image? == 922 922 923 -If device already joined network: 924 - 925 -AT+NJM=0 926 - 927 -ATZ 928 - 929 -1. 930 -11. 931 -111. Single-channel ABP mode (Use with LG01/LG02) 932 - 933 -AT+FDR Reset Parameters to Factory Default, Keys Reserve 934 - 935 -AT+NJM=0 Set to ABP mode 936 - 937 -AT+ADR=0 Set the Adaptive Data Rate Off 938 - 939 -AT+DR=5 Set Data Rate 940 - 941 -AT+TDC=60000 Set transmit interval to 60 seconds 942 - 943 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz 944 - 945 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server) 946 - 947 -AT+RX2DR=5 Set RX2DR to match the downlink DR from server. see below 948 - 949 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 950 - 951 -ATZ Reset MCU 952 - 953 -**Note:** 954 - 955 -1. Make sure the device is set to ABP mode in the IoT Server. 956 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 957 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 958 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 959 - 960 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]] 961 - 962 - 963 -1. FAQ 964 -11. How to upgrade the image? 965 - 966 966 The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to: 967 967 968 968 * Support new features ... ... @@ -971,7 +971,7 @@ 971 971 972 972 Below shows the hardware connection for how to upload an image to RS485-BL: 973 973 974 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]964 +[[image:1654136646995-976.png]] 975 975 976 976 **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 977 977 ... ... @@ -979,97 +979,57 @@ 979 979 980 980 **Step3: **Open flashloader; choose the correct COM port to update. 981 981 972 +[[image:image-20220602102605-1.png]] 982 982 983 -|((( 984 -HOLD PRO then press the RST button, SYS will be ON, then click next 985 -))) 986 986 987 -|((( 988 -Board detected 989 -))) 975 +[[image:image-20220602102637-2.png]] 990 990 991 -|((( 992 - 993 -))) 994 994 995 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]978 +[[image:image-20220602102715-3.png]] 996 996 997 997 998 998 999 - [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]982 +== 6.2 How to change the LoRa Frequency Bands/Region? == 1000 1000 984 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1001 1001 1002 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] 1003 1003 1004 1004 1005 -1. 1006 -11. How to change the LoRa Frequency Bands/Region? 988 +== 6.3 How many RS485-Slave can RS485-BL connects? == 1007 1007 1008 - Usercanfollowthe introductionfor[[howtoupgradeimage>>path:#upgrade_image]].When downloadthe images,choose therequiredfile fordownload.990 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 1009 1009 1010 1010 1011 1011 1012 -1. 1013 -11. How many RS485-Slave can RS485-BL connects? 994 += 7. Trouble Shooting = 1014 1014 1015 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]]. 1016 1016 997 +== 7.1 Downlink doesn’t work, how to solve it? == 1017 1017 999 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1018 1018 1019 1019 1020 -1. Trouble Shooting 1021 -11. Downlink doesn’t work, how to solve it? 1002 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1022 1022 1023 -Please see t hislinkfor debug:1004 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1024 1024 1025 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 1026 1026 1007 += 8. Order Info = 1027 1027 1009 +(% style="color:blue" %)**Part Number: RS485-BL-XXX** 1028 1028 1029 -1. 1030 -11. Why I can’t join TTN V3 in US915 /AU915 bands? 1011 +(% style="color:blue" %)**XXX:** 1031 1031 1032 -It might about the channels mapping. Please see for detail. 1013 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433 1014 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868 1015 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920 1016 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470 1017 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923 1018 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915 1019 +* (% style="color:blue" %)**US915**(%%): frequency bands US915 1020 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865 1021 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1022 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1033 1033 1034 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]] 1035 - 1036 - 1037 - 1038 -1. Order Info 1039 - 1040 -**Part Number: RS485-BL-XXX** 1041 - 1042 -**XXX:** 1043 - 1044 -* **EU433**: frequency bands EU433 1045 -* **EU868**: frequency bands EU868 1046 -* **KR920**: frequency bands KR920 1047 -* **CN470**: frequency bands CN470 1048 -* **AS923**: frequency bands AS923 1049 -* **AU915**: frequency bands AU915 1050 -* **US915**: frequency bands US915 1051 -* **IN865**: frequency bands IN865 1052 -* **RU864**: frequency bands RU864 1053 -* **KZ865: **frequency bands KZ865 1054 - 1055 -1. Packing Info 1056 - 1057 -**Package Includes**: 1058 - 1059 -* RS485-BL x 1 1060 -* Stick Antenna for LoRa RF part x 1 1061 -* Program cable x 1 1062 - 1063 -**Dimension and weight**: 1064 - 1065 -* Device Size: 13.5 x 7 x 3 cm 1066 -* Device Weight: 105g 1067 -* Package Size / pcs : 14.5 x 8 x 5 cm 1068 -* Weight / pcs : 170g 1069 - 1070 -1. Support 1071 - 1072 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1073 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 1074 - 1075 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 1024 +(% class="wikigeneratedid" %) 1025 +
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