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... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -80,10 +80,8 @@
80 80  * Preamble detection.
81 81  * 127 dB Dynamic Range RSSI.
82 82  * Automatic RF Sense and CAD with ultra-fast AFC.
83 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
84 84  
85 -
86 -
87 87  == 1.3 Features ==
88 88  
89 89  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -95,8 +95,6 @@
95 95  * Support Modbus protocol
96 96  * Support Interrupt uplink (Since hardware version v1.2)
97 97  
98 -
99 -
100 100  == 1.4 Applications ==
101 101  
102 102  * Smart Buildings & Home Automation
... ... @@ -106,8 +106,6 @@
106 106  * Smart Cities
107 107  * Smart Factory
108 108  
109 -
110 -
111 111  == 1.5 Firmware Change log ==
112 112  
113 113  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -171,7 +171,7 @@
171 171  [[image:1653268227651-549.png||height="592" width="720"]]
172 172  
173 173  (((
174 -The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
162 +The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
175 175  )))
176 176  
177 177  (((
... ... @@ -511,41 +511,46 @@
511 511  
512 512  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
513 513  
502 +
503 +
514 514  === 3.5.1 Common Commands ===
515 515  
516 516  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]]
517 517  
518 518  
519 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
520 520  
521 -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.
511 +==== Choose Device Type (RS485 or TTL) ====
522 522  
523 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
513 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
524 524  
525 -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)
515 +* AT Command
526 526  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
527 527  
528 -=== 3.5.3 Sensor related commands ===
519 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
529 529  
530 -(% class="wikigeneratedid" id="H" %)
531 -
532 532  
522 +* Downlink Payload
533 533  
534 -==== **RS485 Debug Command** ====
524 +**0A aa**     à same as AT+MOD=aa
535 535  
536 -This command is used to configure the RS485 devices; they won’t be used during sampling.
537 537  
538 -* **AT Command**
539 539  
540 -(% class="box infomessage" %)
541 -(((
542 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
543 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
544 544  
545 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
546 546  
547 -* **Downlink Payload**
532 +* AT Command
548 548  
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 +
549 549  Format: A8 MM NN XX XX XX XX YY
550 550  
551 551  Where:
... ... @@ -553,12 +553,9 @@
553 553  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
554 554  * NN: The length of RS485 command
555 555  * XX XX XX XX: RS485 command total NN bytes
556 -* YY: How many bytes will be uplink from the return of this RS485 command,
557 -** if YY=0, RS485-LN will execute the downlink command without uplink;
558 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
559 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
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
560 560  
561 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
551 +**Example 1:**
562 562  
563 563  To connect a Modbus Alarm with below commands.
564 564  
... ... @@ -568,191 +568,184 @@
568 568  
569 569  So if user want to use downlink command to control to RS485 Alarm, he can use:
570 570  
571 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
572 572  
573 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
574 574  
575 575  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.
576 576  
577 577  
578 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
568 +**Example 2:**
579 579  
580 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
570 +Check TTL Sensor return:
581 581  
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
582 582  
583 -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:
584 584  
585 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
586 586  
587 - [[image:1654159460680-153.png]]
588 588  
577 +==== Set Payload version ====
589 589  
590 -
591 -==== **Set Payload version** ====
592 -
593 593  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.
594 594  
595 -* **AT Command:**
581 +* AT Command:
596 596  
597 -(% class="box infomessage" %)
598 -(((
599 -**AT+PAYVER: Set PAYVER field = 1**
600 -)))
583 +AT+PAYVER: Set PAYVER field = 1
601 601  
602 -* **Downlink Payload:**
603 603  
604 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
586 +* Downlink Payload:
605 605  
606 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
588 +0xAE 01   à Set PAYVER field =  0x01
607 607  
590 +0xAE 0F   à Set PAYVER field =  0x0F
608 608  
609 609  
610 -==== **Set RS485 Sampling Commands** ====
593 +==== Set RS485 Sampling Commands ====
611 611  
612 -AT+COMMANDx or AT+DATACUTx
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
613 613  
614 -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"]].
597 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
615 615  
616 616  
617 -* **AT Command:**
600 +* AT Command:
618 618  
619 -(% class="box infomessage" %)
620 -(((
621 -**AT+COMMANDx: Configure RS485 read command to sensor.**
622 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
623 623  
624 -(% class="box infomessage" %)
625 -(((
626 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
627 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
628 628  
606 +AT+SEARCHx: Configure search command
629 629  
630 -* **Downlink Payload:**
631 631  
632 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
609 +* Downlink Payload:
633 633  
634 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
635 635  
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
614 +
636 636  Format: AF MM NN LL XX XX XX XX YY
637 637  
638 638  Where:
639 639  
640 640  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
641 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
642 -* LL:  The length of AT+COMMAND or AT+DATACUT command
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
643 643  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
644 -* 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.
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.
645 645  
646 -**Example:**
625 +Example:
647 647  
648 -(% 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
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
649 649  
650 -(% 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**
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
651 651  
652 -(% 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**
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
653 653  
654 654  
634 +0xAB downlink command can be used for set AT+SEARCHx
655 655  
656 -==== **Fast command to handle MODBUS device** ====
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
657 657  
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 +
658 658  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]].
659 659  
660 660  This command is valid since v1.3 firmware version
661 661  
662 -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.
663 663  
651 +AT+MBFUN has only two value:
664 664  
665 -**Example:**
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
666 666  
667 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
668 -* 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.
669 -* 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.
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.
670 670  
671 -[[image:image-20220602165351-6.png]]
657 +* AT+MBFUN=0: Disable Modbus fast reading.
672 672  
673 -[[image:image-20220602165351-7.png]]
659 +Example:
674 674  
661 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
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 +* 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.
675 675  
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
676 676  
677 -==== **RS485 command timeout** ====
678 678  
679 -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.
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
680 680  
681 -Default value: 0, range:  0 ~~ 65 seconds
682 682  
683 -* **AT Command:**
671 +* Downlink Commands:
684 684  
685 -(% class="box infomessage" %)
686 -(((
687 -**AT+CMDDLaa=hex(bb cc)*1000**
688 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
689 689  
690 -**Example:**
691 691  
692 -**AT+CMDDL1=1000** to send the open time to 1000ms
676 +==== RS485 command timeout ====
693 693  
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.
694 694  
695 -* **Downlink Payload:**
680 +Default value: 0, range:  0 ~~ 5 seconds
696 696  
697 -**0x AA aa bb cc**
698 698  
699 -Same as: AT+CMDDLaa=hex(bb cc)*1000
683 +* AT Command:
700 700  
701 - **Example:**
685 +AT+CMDDLaa=hex(bb cc)
702 702  
703 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
687 +Example:
704 704  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
705 705  
706 706  
707 -==== **Uplink payload mode** ====
692 +* Downlink Payload:
708 708  
709 -Define to use one uplink or multiple uplinks for the sampling.
694 +0x AA aa bb cc
710 710  
711 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
696 +Same as: AT+CMDDLaa=hex(bb cc)
712 712  
713 -* **AT Command:**
698 + Example:
714 714  
715 -(% class="box infomessage" %)
716 -(((
717 -**AT+DATAUP=0**
718 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
719 719  
720 -(% class="box infomessage" %)
721 -(((
722 -**AT+DATAUP=1**
723 -)))
724 724  
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
725 725  
726 -* **Downlink Payload:**
705 +Define to use one uplink or multiple uplinks for the sampling.
727 727  
728 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
729 729  
730 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
709 +* AT Command:
731 731  
711 +AT+DATAUP=0
732 732  
713 +AT+DATAUP=1
733 733  
734 -==== **Manually trigger an Uplink** ====
735 735  
736 -Ask device to send an uplink immediately.
716 +* Downlink Payload:
737 737  
738 -* **AT Command:**
718 +0xAD 00   à Same as AT+DATAUP=0
739 739  
740 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
720 +0xAD 01   à Same as AT+DATAUP=1
741 741  
742 742  
743 -* **Downlink Payload:**
723 +==== Manually trigger an Uplink ====
744 744  
745 -**0x08 FF**, RS485-LN will immediately send an uplink.
725 +Ask device to send an uplink immediately.
746 746  
727 +* Downlink Payload:
747 747  
748 -==== ====
729 +0x08 FF, RS485-BL will immediately send an uplink.
749 749  
750 -==== **Clear RS485 Command** ====
751 751  
732 +==== Clear RS485 Command ====
733 +
752 752  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
753 753  
754 -* **AT Command:**
755 755  
737 +* AT Command:
738 +
756 756  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
757 757  
758 758  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -760,50 +760,43 @@
760 760  Example screen shot after clear all RS485 commands. 
761 761  
762 762  
746 +
763 763  The uplink screen shot is:
764 764  
765 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
766 766  
767 767  
768 -* **Downlink Payload:**
752 +* Downlink Payload:
769 769  
770 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
771 771  
772 772  
757 +==== Set Serial Communication Parameters ====
773 773  
774 -==== **Set Serial Communication Parameters** ====
775 -
776 776  Set the Rs485 serial communication parameters:
777 777  
778 -* **AT Command:**
761 +* AT Command:
779 779  
780 780  Set Baud Rate:
781 781  
782 -(% class="box infomessage" %)
783 -(((
784 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
785 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
786 786  
787 -Set UART Parity
788 788  
789 -(% class="box infomessage" %)
790 -(((
791 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
792 -)))
768 +Set UART parity
793 793  
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
794 794  Set STOPBIT
795 795  
796 -(% class="box infomessage" %)
797 -(((
798 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
799 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
800 800  
801 801  
802 -* **Downlink Payload:**
778 +* Downlink Payload:
803 803  
804 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
805 805  
806 -**Example:**
782 +Example:
807 807  
808 808  * A7 01 00 60   same as AT+BAUDR=9600
809 809  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -813,281 +813,287 @@
813 813  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
814 814  
815 815  
816 -== 3.6 Listening mode for RS485 network ==
792 +==== Control output power duration ====
817 817  
818 -This feature support since firmware v1.4
794 +User can set the output power duration before each sampling.
819 819  
820 -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.
796 +* AT Command:
821 821  
822 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
798 +Example:
823 823  
824 -To enable the listening mode, use can run the command AT+RXMODE.
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
825 825  
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
826 826  
827 -(% border="1" style="background-color:#ffffcc; width:500px" %)
828 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
829 -|(% 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.
830 -|(% 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
831 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
832 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
833 833  
834 -**Downlink Command:**
805 +* LoRaWAN Downlink Command:
835 835  
836 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
837 837  
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
838 838  
839 -**Example**:
840 840  
841 -The RS485-LN is set to AT+RXMODE=2,1000
842 842  
843 -There is a two Modbus commands in the RS485 network as below:
844 844  
845 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
814 +1.
815 +11. Buttons
846 846  
847 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
848 848  
849 -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
820 +1.
821 +11. +3V3 Output
850 850  
851 -[[image:image-20220602171200-9.png]]
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
852 852  
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. 
853 853  
854 -(% 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.
855 855  
828 +The +3V3 output time can be controlled by AT Command.
856 856  
857 -== 3.7 Buttons ==
830 +**AT+3V3T=1000**
858 858  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
859 859  
860 -(% border="1" style="background-color:#f7faff; width:500px" %)
861 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
862 -|**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**
863 -|**RST**|(% style="width:1420px" %)Reboot RS485
864 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
865 865  
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
866 866  
867 867  
868 -== 3.8 LEDs ==
838 +1.
839 +11. +5V Output
869 869  
870 -(% border="1" style="background-color:#f7faff; width:500px" %)
871 -|=**LEDs**|=**Feature**
872 -|**PWR**|Always on if there is power
873 -|**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.
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
874 874  
875 -= 4. Case Study =
843 +The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
876 876  
877 -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]]
878 878  
846 +The 5V output time can be controlled by AT Command.
879 879  
880 -= 5. Use AT Command =
848 +**AT+5VT=1000**
881 881  
882 -== 5.1 Access AT Command ==
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
883 883  
884 -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.
885 885  
886 -[[image:1654162355560-817.png]]
853 +By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
887 887  
888 888  
889 -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:
890 890  
891 -[[image:1654162368066-342.png]]
892 892  
858 +1.
859 +11. LEDs
893 893  
894 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
895 895  
864 +1.
865 +11. Switch Jumper
896 896  
897 -== 5.2 Common AT Command Sequence ==
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
898 898  
899 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
900 -
901 -If device has not joined network yet:
902 -
903 -(% class="box infomessage" %)
904 -(((
905 -**AT+FDR**
871 +Flash position: Configure device, check running status.
906 906  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
907 907  
908 -(% class="box infomessage" %)
909 -(((
910 -**AT+NJM=0**
876 +3.3v position: set to compatible with 3.3v I/O.,
911 911  )))
912 912  
913 -(% class="box infomessage" %)
914 -(((
915 -**ATZ**
916 -)))
879 ++3.3V: is always ON
917 917  
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
918 918  
919 -If device already joined network:
883 +1. Case Study
920 920  
921 -(% class="box infomessage" %)
922 -(((
923 -**AT+NJM=0**
924 -)))
885 +User can check this URL for some case studies.
925 925  
926 -(% class="box infomessage" %)
927 -(((
928 -**ATZ**
929 -)))
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]]
930 930  
931 931  
932 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
933 933  
934 934  
935 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
892 +1. Use AT Command
893 +11. Access AT Command
936 936  
937 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
895 +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.
938 938  
939 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
940 940  
941 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
942 942  
943 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
900 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
944 944  
945 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
946 946  
947 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
948 948  
949 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
950 950  
951 -(% 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.
906 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
952 952  
953 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
954 954  
955 955  
956 -(% style="color:red" %)**Note:**
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
957 957  
958 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
959 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
960 -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.
961 -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
914 +If device has not joined network yet:
962 962  
963 -[[image:1654162478620-421.png]]
916 +AT+FDR
964 964  
918 +AT+NJM=0
965 965  
966 -= 6. FAQ =
920 +ATZ
967 967  
968 -== 6.1 How to upgrade the image? ==
969 969  
970 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
923 +If device already joined network:
971 971  
972 -* Support new features
973 -* For bug fix
974 -* Change LoRaWAN bands.
925 +AT+NJM=0
975 975  
976 -Below shows the hardware connection for how to upload an image to RS485-LN:
927 +ATZ
977 977  
978 -[[image:1654162535040-878.png]]
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
979 979  
980 -**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]].
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
981 981  
982 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
935 +AT+NJM=0 Set to ABP mode
983 983  
984 -**Step3: **Open flashloader; choose the correct COM port to update.
937 +AT+ADR=0 Set the Adaptive Data Rate Off
985 985  
986 -(% 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.
939 +AT+DR=5  Set Data Rate
987 987  
941 +AT+TDC=60000  Set transmit interval to 60 seconds
988 988  
989 -[[image:image-20220602175818-12.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
990 990  
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
991 991  
992 -[[image:image-20220602175848-13.png]]
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
993 993  
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.
994 994  
995 -[[image:image-20220602175912-14.png]]
951 +ATZ          Reset MCU
996 996  
953 +**Note:**
997 997  
998 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
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
999 999  
1000 -[[image:image-20220602175638-10.png]]
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1001 1001  
1002 1002  
1003 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
963 +1. FAQ
964 +11. How to upgrade the image?
1004 1004  
1005 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1006 1006  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1007 1007  
1008 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1009 1009  
1010 -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"]].
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1011 1011  
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]].
1012 1012  
1013 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
978 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1014 1014  
1015 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
980 +**Step3: **Open flashloader; choose the correct COM port to update.
1016 1016  
1017 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1018 1018  
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1019 1019  
1020 -= 7. Trouble Shooting =
987 +|(((
988 +Board detected
989 +)))
1021 1021  
1022 -== 7.1 Downlink doesn’t work, how to solve it? ==
991 +|(((
992 +
993 +)))
1023 1023  
1024 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
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]]
1025 1025  
1026 1026  
1027 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1028 1028  
1029 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
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]]
1030 1030  
1031 1031  
1032 -= 8. Order Info =
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]]
1033 1033  
1034 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1035 1035  
1036 -(% style="color:blue" %)**XXX:**
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1037 1037  
1038 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1039 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1040 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1041 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1042 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1043 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1044 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1045 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1046 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1047 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1008 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1048 1048  
1049 -= 9.Packing Info =
1050 1050  
1051 1051  
1052 -**Package Includes**:
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1053 1053  
1054 -* RS485-LN x 1
1055 -* Stick Antenna for LoRa RF part x 1
1056 -* Program cable x 1
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]].
1057 1057  
1058 -**Dimension and weight**:
1059 1059  
1060 -* Device Size: 13.5 x 7 x 3 cm
1061 -* Device Weight: 105g
1062 -* Package Size / pcs : 14.5 x 8 x 5 cm
1063 -* Weight / pcs : 170g
1064 1064  
1065 -= 10. FCC Caution for RS485LN-US915 =
1066 1066  
1067 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1068 1068  
1069 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1023 +Please see this link for debug:
1070 1070  
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]] 
1071 1071  
1072 -**IMPORTANT NOTE:**
1073 1073  
1074 -**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1075 1075  
1076 -—Reorient or relocate the receiving antenna.
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1077 1077  
1078 -—Increase the separation between the equipment and receiver.
1032 +It might about the channels mapping. Please see for detail.
1079 1079  
1080 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
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]]
1081 1081  
1082 -—Consult the dealer or an experienced radio/TV technician for help.
1083 1083  
1084 1084  
1085 -**FCC Radiation Exposure Statement:**
1038 +1. Order Info
1086 1086  
1087 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1040 +**Part Number: RS485-BL-XXX**
1088 1088  
1042 +**XXX:**
1089 1089  
1090 -= 11. Support =
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
1091 1091  
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 +
1092 1092  * 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.
1093 -* 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 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
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]]
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