Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.49 >
edited by Xiaoling
on 2022/06/06 11:02
To version < 60.3 >
edited by Xiaoling
on 2022/06/14 11:06
>
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Summary

Details

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Title
... ... @@ -1,1 +1,1 @@
1 -RS485-LN – RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter User Manual
Content
... ... @@ -3,7 +3,6 @@
3 3  
4 4  
5 5  
6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 9  
... ... @@ -25,6 +25,8 @@
25 25  (((
26 26  (((
27 27  (((
27 +
28 +
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 30  )))
... ... @@ -48,6 +48,8 @@
48 48  
49 49  (((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
52 +
53 +
51 51  )))
52 52  )))
53 53  )))
... ... @@ -66,11 +66,13 @@
66 66  ** Idle: 32mA@12v
67 67  ** 20dB Transmit: 65mA@12v
68 68  
72 +
69 69  **Interface for Model:**
70 70  
71 71  * RS485
72 72  * Power Input 7~~ 24V DC. 
73 73  
78 +
74 74  **LoRa Spec:**
75 75  
76 76  * Frequency Range:
... ... @@ -92,6 +92,9 @@
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 93  * Packet engine up to 256 bytes with CRC
94 94  
100 +
101 +
102 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -104,6 +104,8 @@
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
115 +
116 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -114,6 +114,8 @@
114 114  * Smart Factory
115 115  
116 116  
127 +
128 +
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -235,11 +235,15 @@
235 235  
236 236  (((
237 237  (((
250 +(((
238 238  There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
239 239  )))
253 +)))
240 240  
241 241  (((
256 +(((
242 242  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
258 +)))
243 243  
244 244  
245 245  )))
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -320,15 +320,19 @@
320 320  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 321  |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 322  |AT+CFGDEV|(% style="width:110px" %)(((
337 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
339 +)))
324 324  
341 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
343 +)))
326 326  
345 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
347 +)))
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -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 -&
523 +[[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  
530 +(((
523 523  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
532 +)))
524 524  
534 +(((
525 525  There are two kinds of Commands:
536 +)))
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]]
538 +* (((
539 +(% 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]]
540 +)))
528 528  
529 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
542 +* (((
543 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
544 +)))
530 530  
546 +(((
547 +
548 +)))
549 +
550 +
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]]
... ... @@ -546,142 +546,282 @@
546 546  
547 547  
548 548  
569 +
549 549  ==== **RS485 Debug Command** ====
550 550  
572 +(((
551 551  This command is used to configure the RS485 devices; they won’t be used during sampling.
574 +)))
552 552  
553 -* **AT Command**
576 +* (((
577 +**AT Command**
578 +)))
554 554  
555 555  (% class="box infomessage" %)
556 556  (((
582 +(((
557 557  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
558 558  )))
585 +)))
559 559  
587 +(((
560 560  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
589 +)))
561 561  
562 -* **Downlink Payload**
591 +* (((
592 +**Downlink Payload**
593 +)))
563 563  
595 +(((
564 564  Format: A8 MM NN XX XX XX XX YY
597 +)))
565 565  
599 +(((
566 566  Where:
601 +)))
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.
603 +* (((
604 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
605 +)))
606 +* (((
607 +NN: The length of RS485 command
608 +)))
609 +* (((
610 +XX XX XX XX: RS485 command total NN bytes
611 +)))
612 +* (((
613 +(((
614 +YY: How many bytes will be uplink from the return of this RS485 command,
615 +)))
575 575  
617 +* (((
618 +if YY=0, RS485-LN will execute the downlink command without uplink;
619 +)))
620 +* (((
621 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
622 +)))
623 +* (((
624 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
625 +)))
626 +)))
627 +
628 +(((
576 576  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
630 +)))
577 577  
632 +(((
578 578  To connect a Modbus Alarm with below commands.
634 +)))
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.
636 +* (((
637 +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.
638 +)))
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.
640 +* (((
641 +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.
642 +)))
583 583  
644 +(((
584 584  So if user want to use downlink command to control to RS485 Alarm, he can use:
646 +)))
585 585  
648 +(((
586 586  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
650 +)))
587 587  
652 +(((
588 588  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
654 +)))
589 589  
656 +(((
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.
658 +)))
591 591  
660 +(((
661 +
662 +)))
592 592  
664 +(((
593 593  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
666 +)))
594 594  
668 +(((
595 595  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
670 +)))
596 596  
672 +(((
673 +
674 +)))
597 597  
676 +(((
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:
678 +)))
599 599  
680 +(((
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**
682 +)))
601 601  
684 +(((
602 602   [[image:1654159460680-153.png]]
686 +)))
603 603  
604 604  
605 605  
690 +
606 606  ==== **Set Payload version** ====
607 607  
693 +(((
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.
695 +)))
609 609  
610 -* **AT Command:**
697 +* (((
698 +**AT Command:**
699 +)))
611 611  
612 612  (% class="box infomessage" %)
613 613  (((
703 +(((
614 614  **AT+PAYVER: Set PAYVER field = 1**
615 615  )))
706 +)))
616 616  
617 -* **Downlink Payload:**
708 +* (((
709 +**Downlink Payload:**
710 +)))
618 618  
712 +(((
619 619  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
714 +)))
620 620  
716 +(((
621 621  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
718 +)))
622 622  
623 623  
624 624  
722 +
625 625  ==== **Set RS485 Sampling Commands** ====
626 626  
725 +(((
627 627  AT+COMMANDx or AT+DATACUTx
727 +)))
628 628  
729 +(((
629 629  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"]].
731 +)))
630 630  
733 +(((
734 +
735 +)))
631 631  
632 -* **AT Command:**
737 +* (((
738 +**AT Command:**
739 +)))
633 633  
634 634  (% class="box infomessage" %)
635 635  (((
743 +(((
636 636  **AT+COMMANDx: Configure RS485 read command to sensor.**
637 637  )))
746 +)))
638 638  
639 639  (% class="box infomessage" %)
640 640  (((
750 +(((
641 641  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
642 642  )))
753 +)))
643 643  
755 +(((
756 +
757 +)))
644 644  
645 -* **Downlink Payload:**
759 +* (((
760 +**Downlink Payload:**
761 +)))
646 646  
763 +(((
647 647  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
765 +)))
648 648  
767 +(((
649 649  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
769 +)))
650 650  
771 +(((
651 651  Format: AF MM NN LL XX XX XX XX YY
773 +)))
652 652  
775 +(((
653 653  Where:
777 +)))
654 654  
655 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
656 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
657 -* LL:  The length of AT+COMMAND or AT+DATACUT command
658 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
659 -* 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.
779 +* (((
780 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
781 +)))
782 +* (((
783 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
784 +)))
785 +* (((
786 +LL:  The length of AT+COMMAND or AT+DATACUT command
787 +)))
788 +* (((
789 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
790 +)))
791 +* (((
792 +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.
793 +)))
660 660  
795 +(((
661 661  **Example:**
797 +)))
662 662  
799 +(((
663 663  (% 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
801 +)))
664 664  
803 +(((
665 665  (% 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**
805 +)))
666 666  
807 +(((
667 667  (% 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**
809 +)))
668 668  
669 669  
670 670  
813 +
671 671  ==== **Fast command to handle MODBUS device** ====
672 672  
816 +(((
673 673  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]].
818 +)))
674 674  
820 +(((
675 675  This command is valid since v1.3 firmware version
822 +)))
676 676  
824 +(((
677 677  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.
826 +)))
678 678  
828 +(((
829 +
830 +)))
679 679  
832 +(((
680 680  **Example:**
834 +)))
681 681  
682 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
683 -* 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.
684 -* 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.
836 +* (((
837 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
838 +)))
839 +* (((
840 +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.
841 +)))
842 +* (((
843 +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.
844 +)))
685 685  
686 686  [[image:image-20220602165351-6.png]]
687 687  
... ... @@ -689,200 +689,374 @@
689 689  
690 690  
691 691  
852 +
692 692  ==== **RS485 command timeout** ====
693 693  
855 +(((
694 694  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.
857 +)))
695 695  
859 +(((
696 696  Default value: 0, range:  0 ~~ 65 seconds
861 +)))
697 697  
698 -* **AT Command:**
863 +* (((
864 +**AT Command:**
865 +)))
699 699  
700 700  (% class="box infomessage" %)
701 701  (((
869 +(((
702 702  **AT+CMDDLaa=hex(bb cc)*1000**
703 703  )))
872 +)))
704 704  
874 +(((
705 705  **Example:**
876 +)))
706 706  
878 +(((
707 707  **AT+CMDDL1=1000** to send the open time to 1000ms
880 +)))
708 708  
882 +(((
883 +
884 +)))
709 709  
710 -* **Downlink Payload:**
886 +* (((
887 +**Downlink Payload:**
888 +)))
711 711  
890 +(((
712 712  **0x AA aa bb cc**
892 +)))
713 713  
894 +(((
714 714  Same as: AT+CMDDLaa=hex(bb cc)*1000
896 +)))
715 715  
898 +(((
716 716   **Example:**
900 +)))
717 717  
902 +(((
718 718   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
904 +)))
719 719  
720 720  
721 721  
908 +
722 722  ==== **Uplink payload mode** ====
723 723  
911 +(((
724 724  Define to use one uplink or multiple uplinks for the sampling.
913 +)))
725 725  
915 +(((
726 726  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
917 +)))
727 727  
728 -* **AT Command:**
919 +* (((
920 +**AT Command:**
921 +)))
729 729  
730 730  (% class="box infomessage" %)
731 731  (((
925 +(((
732 732  **AT+DATAUP=0**
733 733  )))
928 +)))
734 734  
735 735  (% class="box infomessage" %)
736 736  (((
932 +(((
737 737  **AT+DATAUP=1**
738 738  )))
935 +)))
739 739  
937 +(((
938 +
939 +)))
740 740  
741 -* **Downlink Payload:**
941 +* (((
942 +**Downlink Payload:**
943 +)))
742 742  
945 +(((
743 743  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
947 +)))
744 744  
949 +(((
745 745  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
951 +)))
746 746  
747 747  
748 748  
955 +
749 749  ==== **Manually trigger an Uplink** ====
750 750  
958 +(((
751 751  Ask device to send an uplink immediately.
960 +)))
752 752  
753 -* **AT Command:**
962 +* (((
963 +**AT Command:**
964 +)))
754 754  
966 +(((
755 755  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
968 +)))
756 756  
970 +(((
971 +
972 +)))
757 757  
758 -* **Downlink Payload:**
974 +* (((
975 +**Downlink Payload:**
976 +)))
759 759  
978 +(((
760 760  **0x08 FF**, RS485-LN will immediately send an uplink.
980 +)))
761 761  
762 762  
763 763  
984 +
764 764  ==== **Clear RS485 Command** ====
765 765  
987 +(((
766 766  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
989 +)))
767 767  
768 -* **AT Command:**
991 +* (((
992 +**AT Command:**
993 +)))
769 769  
995 +(((
770 770  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
997 +)))
771 771  
999 +(((
772 772  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1001 +)))
773 773  
1003 +(((
774 774  Example screen shot after clear all RS485 commands. 
1005 +)))
775 775  
1007 +(((
1008 +
1009 +)))
776 776  
1011 +(((
777 777  The uplink screen shot is:
1013 +)))
778 778  
779 779  [[image:1654160691922-496.png]]
780 780  
781 781  
782 -* **Downlink Payload:**
1018 +* (((
1019 +**Downlink Payload:**
1020 +)))
783 783  
1022 +(((
784 784  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1024 +)))
785 785  
786 786  
787 787  
1028 +
788 788  ==== **Set Serial Communication Parameters** ====
789 789  
1031 +(((
790 790  Set the Rs485 serial communication parameters:
1033 +)))
791 791  
792 -* **AT Command:**
1035 +* (((
1036 +**AT Command:**
1037 +)))
793 793  
1039 +(((
794 794  Set Baud Rate:
1041 +)))
795 795  
796 796  (% class="box infomessage" %)
797 797  (((
1045 +(((
798 798  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
799 799  )))
1048 +)))
800 800  
1050 +(((
801 801  Set UART Parity
1052 +)))
802 802  
803 803  (% class="box infomessage" %)
804 804  (((
1056 +(((
805 805  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
806 806  )))
1059 +)))
807 807  
1061 +(((
808 808  Set STOPBIT
1063 +)))
809 809  
810 810  (% class="box infomessage" %)
811 811  (((
1067 +(((
812 812  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
813 813  )))
1070 +)))
814 814  
1072 +(((
1073 +
1074 +)))
815 815  
816 -* **Downlink Payload:**
1076 +* (((
1077 +**Downlink Payload:**
1078 +)))
817 817  
1080 +(((
818 818  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1082 +)))
819 819  
1084 +(((
820 820  **Example:**
1086 +)))
821 821  
822 -* A7 01 00 60   same as AT+BAUDR=9600
823 -* A7 01 04 80  same as AT+BAUDR=115200
1088 +* (((
1089 +A7 01 00 60   same as AT+BAUDR=9600
1090 +)))
1091 +* (((
1092 +A7 01 04 80  same as AT+BAUDR=115200
1093 +)))
824 824  
1095 +(((
825 825  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1097 +)))
826 826  
1099 +(((
827 827  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1101 +)))
828 828  
829 829  
1104 +
1105 +
830 830  == 3.6 Listening mode for RS485 network ==
831 831  
1108 +(((
832 832  This feature support since firmware v1.4
1110 +)))
833 833  
1112 +(((
834 834  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.
1114 +)))
835 835  
836 836  [[image:image-20220602171200-8.png||height="567" width="1007"]]
837 837  
1118 +(((
838 838  To enable the listening mode, use can run the command AT+RXMODE.
1120 +)))
839 839  
1122 +(((
1123 +
1124 +)))
840 840  
841 -(% border="1" style="background-color:#ffffcc; width:500px" %)
842 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
843 -|(% 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.
844 -|(% 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
845 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
846 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1126 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1127 +|=(% style="width: 100px;" %)(((
1128 +**Command example**
1129 +)))|=(% style="width: 400px;" %)(((
1130 +**Function**
1131 +)))
1132 +|(% style="width:100px" %)(((
1133 +AT+RXMODE=1,10
1134 +)))|(% style="width:400px" %)(((
1135 +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.
1136 +)))
1137 +|(% style="width:100px" %)(((
1138 +AT+RXMODE=2,500
1139 +)))|(% style="width:400px" %)(((
1140 +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
1141 +)))
1142 +|(% style="width:100px" %)(((
1143 +AT+RXMODE=0,0
1144 +)))|(% style="width:400px" %)(((
1145 +Disable listening mode. This is the default settings.
1146 +)))
1147 +|(% style="width:100px" %)(((
1148 +
1149 +)))|(% style="width:400px" %)(((
1150 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1151 +)))
847 847  
1153 +(((
848 848  **Downlink Command:**
1155 +)))
849 849  
1157 +(((
850 850  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1159 +)))
851 851  
1161 +(((
1162 +
1163 +)))
852 852  
1165 +(((
853 853  **Example**:
1167 +)))
854 854  
1169 +(((
855 855  The RS485-LN is set to AT+RXMODE=2,1000
1171 +)))
856 856  
1173 +(((
857 857  There is a two Modbus commands in the RS485 network as below:
1175 +)))
858 858  
1177 +(((
859 859  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1179 +)))
860 860  
1181 +(((
861 861  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1183 +)))
862 862  
1185 +(((
863 863  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
1187 +)))
864 864  
1189 +(((
865 865  [[image:image-20220602171200-9.png]]
1191 +)))
866 866  
1193 +(((
1194 +
1195 +)))
867 867  
1197 +(((
1198 +(((
868 868  (% 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.
1200 +)))
1201 +)))
869 869  
870 870  
871 871  == 3.7 Buttons ==
872 872  
873 873  
874 -(% border="1" style="background-color:#f7faff; width:500px" %)
875 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
876 -|**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**
877 -|**RST**|(% style="width:1420px" %)Reboot RS485
878 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1207 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1208 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1209 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)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**
1210 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1211 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
879 879  
880 880  == 3.8 LEDs ==
881 881  
882 -(% border="1" style="background-color:#f7faff; width:500px" %)
883 -|=**LEDs**|=**Feature**
1215 +
1216 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1217 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
884 884  |**PWR**|Always on if there is power
885 -|**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.
1219 +|**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.
886 886  
887 887  = 4. Case Study =
888 888  
... ... @@ -893,19 +893,26 @@
893 893  
894 894  == 5.1 Access AT Command ==
895 895  
1230 +(((
896 896  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.
1232 +)))
897 897  
898 898  [[image:1654162355560-817.png]]
899 899  
900 900  
1237 +(((
901 901  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:
1239 +)))
902 902  
903 903  [[image:1654162368066-342.png]]
904 904  
905 905  
1244 +(((
906 906  More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1246 +)))
907 907  
908 908  
1249 +
909 909  == 5.2 Common AT Command Sequence ==
910 910  
911 911  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -928,7 +928,9 @@
928 928  )))
929 929  
930 930  
1272 +(((
931 931  If device already joined network:
1274 +)))
932 932  
933 933  (% class="box infomessage" %)
934 934  (((
... ... @@ -967,10 +967,12 @@
967 967  
968 968  (% style="color:red" %)**Note:**
969 969  
1313 +(((
970 970  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
971 971  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
972 972  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.
973 973  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
1318 +)))
974 974  
975 975  [[image:1654162478620-421.png]]
976 976  
... ... @@ -979,25 +979,45 @@
979 979  
980 980  == 6.1 How to upgrade the image? ==
981 981  
1327 +(((
982 982  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1329 +)))
983 983  
984 -* Support new features
985 -* For bug fix
986 -* Change LoRaWAN bands.
1331 +* (((
1332 +Support new features
1333 +)))
1334 +* (((
1335 +For bug fix
1336 +)))
1337 +* (((
1338 +Change LoRaWAN bands.
1339 +)))
987 987  
1341 +(((
988 988  Below shows the hardware connection for how to upload an image to RS485-LN:
1343 +)))
989 989  
990 990  [[image:1654162535040-878.png]]
991 991  
1347 +(((
992 992  **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]].
1349 +)))
993 993  
1351 +(((
994 994  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1353 +)))
995 995  
1355 +(((
996 996  **Step3: **Open flashloader; choose the correct COM port to update.
1357 +)))
997 997  
998 998  (((
1360 +(((
1361 +(((
999 999  (% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1000 1000  )))
1364 +)))
1365 +)))
1001 1001  
1002 1002  
1003 1003  [[image:image-20220602175818-12.png]]
... ... @@ -1060,7 +1060,6 @@
1060 1060  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1061 1061  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1062 1062  
1063 -
1064 1064  = 9.Packing Info =
1065 1065  
1066 1066  
... ... @@ -1077,7 +1077,6 @@
1077 1077  * Package Size / pcs : 14.5 x 8 x 5 cm
1078 1078  * Weight / pcs : 170g
1079 1079  
1080 -
1081 1081  = 10. FCC Caution for RS485LN-US915 =
1082 1082  
1083 1083  (((
image-20220606110929-1.png
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