Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.3 >
edited by Xiaoling
on 2022/06/06 11:14
To version < 60.8 >
edited by Xiaoling
on 2022/06/14 11:14
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Summary

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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 +92,8 @@
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 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -104,6 +104,7 @@
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
114 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -114,6 +114,7 @@
114 114  * Smart Factory
115 115  
116 116  
125 +
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/]]
... ... @@ -182,12 +182,13 @@
182 182  
183 183  [[image:1653268227651-549.png||height="592" width="720"]]
184 184  
194 +
185 185  (((
186 186  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:
187 187  )))
188 188  
189 189  (((
190 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
200 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
191 191  )))
192 192  
193 193  (((
... ... @@ -197,6 +197,7 @@
197 197  
198 198  [[image:1652953462722-299.png]]
199 199  
210 +
200 200  (((
201 201  (((
202 202  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -203,7 +203,7 @@
203 203  )))
204 204  
205 205  (((
206 -Add APP EUI in the application.
217 +**Add APP EUI in the application.**
207 207  )))
208 208  )))
209 209  
... ... @@ -219,13 +219,15 @@
219 219  
220 220  [[image:1652953542269-423.png||height="710" width="723"]]
221 221  
222 -Add APP KEY and DEV EUI
223 223  
234 +
235 +**Add APP KEY and DEV EUI**
236 +
224 224  [[image:1652953553383-907.png||height="514" width="724"]]
225 225  
226 226  
227 227  (((
228 -**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
241 +(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
229 229  )))
230 230  
231 231  [[image:1652953568895-172.png||height="232" width="724"]]
... ... @@ -235,11 +235,15 @@
235 235  
236 236  (((
237 237  (((
251 +(((
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  )))
254 +)))
240 240  
241 241  (((
257 +(((
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
259 +)))
243 243  
244 244  
245 245  )))
... ... @@ -309,6 +309,7 @@
309 309  
310 310  
311 311  
329 +
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -320,15 +320,22 @@
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" %)(((
341 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
343 +)))
324 324  
345 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
347 +)))
326 326  
349 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
351 +)))
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 330  
331 331  
356 +
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -548,142 +548,282 @@
548 548  
549 549  
550 550  
576 +
551 551  ==== **RS485 Debug Command** ====
552 552  
579 +(((
553 553  This command is used to configure the RS485 devices; they won’t be used during sampling.
581 +)))
554 554  
555 -* **AT Command**
583 +* (((
584 +**AT Command**
585 +)))
556 556  
557 557  (% class="box infomessage" %)
558 558  (((
589 +(((
559 559  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
560 560  )))
592 +)))
561 561  
594 +(((
562 562  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
596 +)))
563 563  
564 -* **Downlink Payload**
598 +* (((
599 +**Downlink Payload**
600 +)))
565 565  
602 +(((
566 566  Format: A8 MM NN XX XX XX XX YY
604 +)))
567 567  
606 +(((
568 568  Where:
608 +)))
569 569  
570 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
571 -* NN: The length of RS485 command
572 -* XX XX XX XX: RS485 command total NN bytes
573 -* YY: How many bytes will be uplink from the return of this RS485 command,
574 -** if YY=0, RS485-LN will execute the downlink command without uplink;
575 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
576 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
610 +* (((
611 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
612 +)))
613 +* (((
614 +NN: The length of RS485 command
615 +)))
616 +* (((
617 +XX XX XX XX: RS485 command total NN bytes
618 +)))
619 +* (((
620 +(((
621 +YY: How many bytes will be uplink from the return of this RS485 command,
622 +)))
577 577  
624 +* (((
625 +if YY=0, RS485-LN will execute the downlink command without uplink;
626 +)))
627 +* (((
628 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
629 +)))
630 +* (((
631 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
632 +)))
633 +)))
634 +
635 +(((
578 578  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
637 +)))
579 579  
639 +(((
580 580  To connect a Modbus Alarm with below commands.
641 +)))
581 581  
582 -* 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.
643 +* (((
644 +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.
645 +)))
583 583  
584 -* 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.
647 +* (((
648 +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.
649 +)))
585 585  
651 +(((
586 586  So if user want to use downlink command to control to RS485 Alarm, he can use:
653 +)))
587 587  
655 +(((
588 588  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
657 +)))
589 589  
659 +(((
590 590  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
661 +)))
591 591  
663 +(((
592 592  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.
665 +)))
593 593  
667 +(((
668 +
669 +)))
594 594  
671 +(((
595 595  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
673 +)))
596 596  
675 +(((
597 597  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
677 +)))
598 598  
679 +(((
680 +
681 +)))
599 599  
683 +(((
600 600  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:
685 +)))
601 601  
687 +(((
602 602   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
689 +)))
603 603  
691 +(((
604 604   [[image:1654159460680-153.png]]
693 +)))
605 605  
606 606  
607 607  
697 +
608 608  ==== **Set Payload version** ====
609 609  
700 +(((
610 610  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.
702 +)))
611 611  
612 -* **AT Command:**
704 +* (((
705 +**AT Command:**
706 +)))
613 613  
614 614  (% class="box infomessage" %)
615 615  (((
710 +(((
616 616  **AT+PAYVER: Set PAYVER field = 1**
617 617  )))
713 +)))
618 618  
619 -* **Downlink Payload:**
715 +* (((
716 +**Downlink Payload:**
717 +)))
620 620  
719 +(((
621 621  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
721 +)))
622 622  
723 +(((
623 623  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
725 +)))
624 624  
625 625  
626 626  
729 +
627 627  ==== **Set RS485 Sampling Commands** ====
628 628  
732 +(((
629 629  AT+COMMANDx or AT+DATACUTx
734 +)))
630 630  
736 +(((
631 631  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"]].
738 +)))
632 632  
740 +(((
741 +
742 +)))
633 633  
634 -* **AT Command:**
744 +* (((
745 +**AT Command:**
746 +)))
635 635  
636 636  (% class="box infomessage" %)
637 637  (((
750 +(((
638 638  **AT+COMMANDx: Configure RS485 read command to sensor.**
639 639  )))
753 +)))
640 640  
641 641  (% class="box infomessage" %)
642 642  (((
757 +(((
643 643  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
644 644  )))
760 +)))
645 645  
762 +(((
763 +
764 +)))
646 646  
647 -* **Downlink Payload:**
766 +* (((
767 +**Downlink Payload:**
768 +)))
648 648  
770 +(((
649 649  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
772 +)))
650 650  
774 +(((
651 651  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
776 +)))
652 652  
778 +(((
653 653  Format: AF MM NN LL XX XX XX XX YY
780 +)))
654 654  
782 +(((
655 655  Where:
784 +)))
656 656  
657 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
658 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
659 -* LL:  The length of AT+COMMAND or AT+DATACUT command
660 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
661 -* 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.
786 +* (((
787 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
788 +)))
789 +* (((
790 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
791 +)))
792 +* (((
793 +LL:  The length of AT+COMMAND or AT+DATACUT command
794 +)))
795 +* (((
796 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
797 +)))
798 +* (((
799 +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.
800 +)))
662 662  
802 +(((
663 663  **Example:**
804 +)))
664 664  
806 +(((
665 665  (% 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
808 +)))
666 666  
810 +(((
667 667  (% 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**
812 +)))
668 668  
814 +(((
669 669  (% 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**
816 +)))
670 670  
671 671  
672 672  
820 +
673 673  ==== **Fast command to handle MODBUS device** ====
674 674  
823 +(((
675 675  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]].
825 +)))
676 676  
827 +(((
677 677  This command is valid since v1.3 firmware version
829 +)))
678 678  
831 +(((
679 679  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.
833 +)))
680 680  
835 +(((
836 +
837 +)))
681 681  
839 +(((
682 682  **Example:**
841 +)))
683 683  
684 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
685 -* 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.
686 -* 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.
843 +* (((
844 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
845 +)))
846 +* (((
847 +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.
848 +)))
849 +* (((
850 +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.
851 +)))
687 687  
688 688  [[image:image-20220602165351-6.png]]
689 689  
... ... @@ -691,200 +691,374 @@
691 691  
692 692  
693 693  
859 +
694 694  ==== **RS485 command timeout** ====
695 695  
862 +(((
696 696  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.
864 +)))
697 697  
866 +(((
698 698  Default value: 0, range:  0 ~~ 65 seconds
868 +)))
699 699  
700 -* **AT Command:**
870 +* (((
871 +**AT Command:**
872 +)))
701 701  
702 702  (% class="box infomessage" %)
703 703  (((
876 +(((
704 704  **AT+CMDDLaa=hex(bb cc)*1000**
705 705  )))
879 +)))
706 706  
881 +(((
707 707  **Example:**
883 +)))
708 708  
885 +(((
709 709  **AT+CMDDL1=1000** to send the open time to 1000ms
887 +)))
710 710  
889 +(((
890 +
891 +)))
711 711  
712 -* **Downlink Payload:**
893 +* (((
894 +**Downlink Payload:**
895 +)))
713 713  
897 +(((
714 714  **0x AA aa bb cc**
899 +)))
715 715  
901 +(((
716 716  Same as: AT+CMDDLaa=hex(bb cc)*1000
903 +)))
717 717  
905 +(((
718 718   **Example:**
907 +)))
719 719  
909 +(((
720 720   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
911 +)))
721 721  
722 722  
723 723  
915 +
724 724  ==== **Uplink payload mode** ====
725 725  
918 +(((
726 726  Define to use one uplink or multiple uplinks for the sampling.
920 +)))
727 727  
922 +(((
728 728  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
924 +)))
729 729  
730 -* **AT Command:**
926 +* (((
927 +**AT Command:**
928 +)))
731 731  
732 732  (% class="box infomessage" %)
733 733  (((
932 +(((
734 734  **AT+DATAUP=0**
735 735  )))
935 +)))
736 736  
737 737  (% class="box infomessage" %)
738 738  (((
939 +(((
739 739  **AT+DATAUP=1**
740 740  )))
942 +)))
741 741  
944 +(((
945 +
946 +)))
742 742  
743 -* **Downlink Payload:**
948 +* (((
949 +**Downlink Payload:**
950 +)))
744 744  
952 +(((
745 745  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
954 +)))
746 746  
956 +(((
747 747  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
958 +)))
748 748  
749 749  
750 750  
962 +
751 751  ==== **Manually trigger an Uplink** ====
752 752  
965 +(((
753 753  Ask device to send an uplink immediately.
967 +)))
754 754  
755 -* **AT Command:**
969 +* (((
970 +**AT Command:**
971 +)))
756 756  
973 +(((
757 757  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
975 +)))
758 758  
977 +(((
978 +
979 +)))
759 759  
760 -* **Downlink Payload:**
981 +* (((
982 +**Downlink Payload:**
983 +)))
761 761  
985 +(((
762 762  **0x08 FF**, RS485-LN will immediately send an uplink.
987 +)))
763 763  
764 764  
765 765  
991 +
766 766  ==== **Clear RS485 Command** ====
767 767  
994 +(((
768 768  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
996 +)))
769 769  
770 -* **AT Command:**
998 +* (((
999 +**AT Command:**
1000 +)))
771 771  
1002 +(((
772 772  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1004 +)))
773 773  
1006 +(((
774 774  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1008 +)))
775 775  
1010 +(((
776 776  Example screen shot after clear all RS485 commands. 
1012 +)))
777 777  
1014 +(((
1015 +
1016 +)))
778 778  
1018 +(((
779 779  The uplink screen shot is:
1020 +)))
780 780  
781 781  [[image:1654160691922-496.png]]
782 782  
783 783  
784 -* **Downlink Payload:**
1025 +* (((
1026 +**Downlink Payload:**
1027 +)))
785 785  
1029 +(((
786 786  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1031 +)))
787 787  
788 788  
789 789  
1035 +
790 790  ==== **Set Serial Communication Parameters** ====
791 791  
1038 +(((
792 792  Set the Rs485 serial communication parameters:
1040 +)))
793 793  
794 -* **AT Command:**
1042 +* (((
1043 +**AT Command:**
1044 +)))
795 795  
1046 +(((
796 796  Set Baud Rate:
1048 +)))
797 797  
798 798  (% class="box infomessage" %)
799 799  (((
1052 +(((
800 800  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
801 801  )))
1055 +)))
802 802  
1057 +(((
803 803  Set UART Parity
1059 +)))
804 804  
805 805  (% class="box infomessage" %)
806 806  (((
1063 +(((
807 807  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
808 808  )))
1066 +)))
809 809  
1068 +(((
810 810  Set STOPBIT
1070 +)))
811 811  
812 812  (% class="box infomessage" %)
813 813  (((
1074 +(((
814 814  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
815 815  )))
1077 +)))
816 816  
1079 +(((
1080 +
1081 +)))
817 817  
818 -* **Downlink Payload:**
1083 +* (((
1084 +**Downlink Payload:**
1085 +)))
819 819  
1087 +(((
820 820  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1089 +)))
821 821  
1091 +(((
822 822  **Example:**
1093 +)))
823 823  
824 -* A7 01 00 60   same as AT+BAUDR=9600
825 -* A7 01 04 80  same as AT+BAUDR=115200
1095 +* (((
1096 +A7 01 00 60   same as AT+BAUDR=9600
1097 +)))
1098 +* (((
1099 +A7 01 04 80  same as AT+BAUDR=115200
1100 +)))
826 826  
1102 +(((
827 827  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1104 +)))
828 828  
1106 +(((
829 829  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1108 +)))
830 830  
831 831  
1111 +
1112 +
832 832  == 3.6 Listening mode for RS485 network ==
833 833  
1115 +(((
834 834  This feature support since firmware v1.4
1117 +)))
835 835  
1119 +(((
836 836  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.
1121 +)))
837 837  
838 838  [[image:image-20220602171200-8.png||height="567" width="1007"]]
839 839  
1125 +(((
840 840  To enable the listening mode, use can run the command AT+RXMODE.
1127 +)))
841 841  
1129 +(((
1130 +
1131 +)))
842 842  
843 -(% border="1" style="background-color:#ffffcc; width:500px" %)
844 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
845 -|(% 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.
846 -|(% 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
847 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
848 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1133 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1134 +|=(% style="width: 100px;" %)(((
1135 +**Command example**
1136 +)))|=(% style="width: 400px;" %)(((
1137 +**Function**
1138 +)))
1139 +|(% style="width:100px" %)(((
1140 +AT+RXMODE=1,10
1141 +)))|(% style="width:400px" %)(((
1142 +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.
1143 +)))
1144 +|(% style="width:100px" %)(((
1145 +AT+RXMODE=2,500
1146 +)))|(% style="width:400px" %)(((
1147 +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
1148 +)))
1149 +|(% style="width:100px" %)(((
1150 +AT+RXMODE=0,0
1151 +)))|(% style="width:400px" %)(((
1152 +Disable listening mode. This is the default settings.
1153 +)))
1154 +|(% style="width:100px" %)(((
1155 +
1156 +)))|(% style="width:400px" %)(((
1157 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1158 +)))
849 849  
1160 +(((
850 850  **Downlink Command:**
1162 +)))
851 851  
1164 +(((
852 852  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1166 +)))
853 853  
1168 +(((
1169 +
1170 +)))
854 854  
1172 +(((
855 855  **Example**:
1174 +)))
856 856  
1176 +(((
857 857  The RS485-LN is set to AT+RXMODE=2,1000
1178 +)))
858 858  
1180 +(((
859 859  There is a two Modbus commands in the RS485 network as below:
1182 +)))
860 860  
1184 +(((
861 861  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1186 +)))
862 862  
1188 +(((
863 863  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1190 +)))
864 864  
1192 +(((
865 865  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
1194 +)))
866 866  
1196 +(((
867 867  [[image:image-20220602171200-9.png]]
1198 +)))
868 868  
1200 +(((
1201 +
1202 +)))
869 869  
1204 +(((
1205 +(((
870 870  (% 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.
1207 +)))
1208 +)))
871 871  
872 872  
873 873  == 3.7 Buttons ==
874 874  
875 875  
876 -(% border="1" style="background-color:#f7faff; width:500px" %)
877 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
878 -|**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**
879 -|**RST**|(% style="width:1420px" %)Reboot RS485
880 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1214 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1215 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1216 +|(% 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**
1217 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1218 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
881 881  
882 882  == 3.8 LEDs ==
883 883  
884 -(% border="1" style="background-color:#f7faff; width:500px" %)
885 -|=**LEDs**|=**Feature**
1222 +
1223 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1224 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
886 886  |**PWR**|Always on if there is power
887 -|**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.
1226 +|**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.
888 888  
889 889  = 4. Case Study =
890 890  
... ... @@ -895,19 +895,26 @@
895 895  
896 896  == 5.1 Access AT Command ==
897 897  
1237 +(((
898 898  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.
1239 +)))
899 899  
900 900  [[image:1654162355560-817.png]]
901 901  
902 902  
1244 +(((
903 903  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:
1246 +)))
904 904  
905 905  [[image:1654162368066-342.png]]
906 906  
907 907  
1251 +(((
908 908  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/]]
1253 +)))
909 909  
910 910  
1256 +
911 911  == 5.2 Common AT Command Sequence ==
912 912  
913 913  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -930,7 +930,9 @@
930 930  )))
931 931  
932 932  
1279 +(((
933 933  If device already joined network:
1281 +)))
934 934  
935 935  (% class="box infomessage" %)
936 936  (((
... ... @@ -969,10 +969,12 @@
969 969  
970 970  (% style="color:red" %)**Note:**
971 971  
1320 +(((
972 972  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
973 973  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
974 974  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.
975 975  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
1325 +)))
976 976  
977 977  [[image:1654162478620-421.png]]
978 978  
... ... @@ -981,25 +981,45 @@
981 981  
982 982  == 6.1 How to upgrade the image? ==
983 983  
1334 +(((
984 984  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1336 +)))
985 985  
986 -* Support new features
987 -* For bug fix
988 -* Change LoRaWAN bands.
1338 +* (((
1339 +Support new features
1340 +)))
1341 +* (((
1342 +For bug fix
1343 +)))
1344 +* (((
1345 +Change LoRaWAN bands.
1346 +)))
989 989  
1348 +(((
990 990  Below shows the hardware connection for how to upload an image to RS485-LN:
1350 +)))
991 991  
992 992  [[image:1654162535040-878.png]]
993 993  
1354 +(((
994 994  **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]].
1356 +)))
995 995  
1358 +(((
996 996  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1360 +)))
997 997  
1362 +(((
998 998  **Step3: **Open flashloader; choose the correct COM port to update.
1364 +)))
999 999  
1000 1000  (((
1367 +(((
1368 +(((
1001 1001  (% 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.
1002 1002  )))
1371 +)))
1372 +)))
1003 1003  
1004 1004  
1005 1005  [[image:image-20220602175818-12.png]]
... ... @@ -1062,7 +1062,6 @@
1062 1062  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1063 1063  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1064 1064  
1065 -
1066 1066  = 9.Packing Info =
1067 1067  
1068 1068  
... ... @@ -1079,7 +1079,6 @@
1079 1079  * Package Size / pcs : 14.5 x 8 x 5 cm
1080 1080  * Weight / pcs : 170g
1081 1081  
1082 -
1083 1083  = 10. FCC Caution for RS485LN-US915 =
1084 1084  
1085 1085  (((

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