Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.48 >
edited by Xiaoling
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To version < 60.8 >
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on 2022/06/14 11:14
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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 +92,8 @@
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  (((
... ... @@ -320,13 +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  
354 +
355 +
356 +
330 330  === 3.3.3 Configure read commands for each sampling ===
331 331  
332 332  (((
... ... @@ -499,33 +499,35 @@
499 499  
500 500  == 3.4 Uplink Payload ==
501 501  
502 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
503 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
504 -|Value|(% style="width:120px" %)(((
505 -Battery(mV)
506 506  
507 -&
530 +[[image:image-20220606110929-1.png]]
508 508  
509 -Interrupt _Flag
510 -)))|(% style="width:116px" %)(((
511 -PAYLOAD_VER
512 -
513 -
514 -)))|(% 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.
515 -
516 516  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
517 517  
518 518  
519 519  == 3.5 Configure RS485-BL via AT or Downlink ==
520 520  
537 +(((
521 521  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
539 +)))
522 522  
541 +(((
523 523  There are two kinds of Commands:
543 +)))
524 524  
525 -* (% 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]]
545 +* (((
546 +(% 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]]
547 +)))
526 526  
527 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
549 +* (((
550 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
551 +)))
528 528  
553 +(((
554 +
555 +)))
556 +
557 +
529 529  === 3.5.1 Common Commands ===
530 530  
531 531  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
... ... @@ -544,142 +544,282 @@
544 544  
545 545  
546 546  
576 +
547 547  ==== **RS485 Debug Command** ====
548 548  
579 +(((
549 549  This command is used to configure the RS485 devices; they won’t be used during sampling.
581 +)))
550 550  
551 -* **AT Command**
583 +* (((
584 +**AT Command**
585 +)))
552 552  
553 553  (% class="box infomessage" %)
554 554  (((
589 +(((
555 555  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
556 556  )))
592 +)))
557 557  
594 +(((
558 558  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
596 +)))
559 559  
560 -* **Downlink Payload**
598 +* (((
599 +**Downlink Payload**
600 +)))
561 561  
602 +(((
562 562  Format: A8 MM NN XX XX XX XX YY
604 +)))
563 563  
606 +(((
564 564  Where:
608 +)))
565 565  
566 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
567 -* NN: The length of RS485 command
568 -* XX XX XX XX: RS485 command total NN bytes
569 -* YY: How many bytes will be uplink from the return of this RS485 command,
570 -** if YY=0, RS485-LN will execute the downlink command without uplink;
571 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
572 -** 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 +)))
573 573  
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 +(((
574 574  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
637 +)))
575 575  
639 +(((
576 576  To connect a Modbus Alarm with below commands.
641 +)))
577 577  
578 -* 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 +)))
579 579  
580 -* 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 +)))
581 581  
651 +(((
582 582  So if user want to use downlink command to control to RS485 Alarm, he can use:
653 +)))
583 583  
655 +(((
584 584  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
657 +)))
585 585  
659 +(((
586 586  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
661 +)))
587 587  
663 +(((
588 588  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 +)))
589 589  
667 +(((
668 +
669 +)))
590 590  
671 +(((
591 591  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
673 +)))
592 592  
675 +(((
593 593  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
677 +)))
594 594  
679 +(((
680 +
681 +)))
595 595  
683 +(((
596 596  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 +)))
597 597  
687 +(((
598 598   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
689 +)))
599 599  
691 +(((
600 600   [[image:1654159460680-153.png]]
693 +)))
601 601  
602 602  
603 603  
697 +
604 604  ==== **Set Payload version** ====
605 605  
700 +(((
606 606  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 +)))
607 607  
608 -* **AT Command:**
704 +* (((
705 +**AT Command:**
706 +)))
609 609  
610 610  (% class="box infomessage" %)
611 611  (((
710 +(((
612 612  **AT+PAYVER: Set PAYVER field = 1**
613 613  )))
713 +)))
614 614  
615 -* **Downlink Payload:**
715 +* (((
716 +**Downlink Payload:**
717 +)))
616 616  
719 +(((
617 617  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
721 +)))
618 618  
723 +(((
619 619  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
725 +)))
620 620  
621 621  
622 622  
729 +
623 623  ==== **Set RS485 Sampling Commands** ====
624 624  
732 +(((
625 625  AT+COMMANDx or AT+DATACUTx
734 +)))
626 626  
736 +(((
627 627  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 +)))
628 628  
740 +(((
741 +
742 +)))
629 629  
630 -* **AT Command:**
744 +* (((
745 +**AT Command:**
746 +)))
631 631  
632 632  (% class="box infomessage" %)
633 633  (((
750 +(((
634 634  **AT+COMMANDx: Configure RS485 read command to sensor.**
635 635  )))
753 +)))
636 636  
637 637  (% class="box infomessage" %)
638 638  (((
757 +(((
639 639  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
640 640  )))
760 +)))
641 641  
762 +(((
763 +
764 +)))
642 642  
643 -* **Downlink Payload:**
766 +* (((
767 +**Downlink Payload:**
768 +)))
644 644  
770 +(((
645 645  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
772 +)))
646 646  
774 +(((
647 647  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
776 +)))
648 648  
778 +(((
649 649  Format: AF MM NN LL XX XX XX XX YY
780 +)))
650 650  
782 +(((
651 651  Where:
784 +)))
652 652  
653 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
654 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
655 -* LL:  The length of AT+COMMAND or AT+DATACUT command
656 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
657 -* 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 +)))
658 658  
802 +(((
659 659  **Example:**
804 +)))
660 660  
806 +(((
661 661  (% 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 +)))
662 662  
810 +(((
663 663  (% 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 +)))
664 664  
814 +(((
665 665  (% 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 +)))
666 666  
667 667  
668 668  
820 +
669 669  ==== **Fast command to handle MODBUS device** ====
670 670  
823 +(((
671 671  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 +)))
672 672  
827 +(((
673 673  This command is valid since v1.3 firmware version
829 +)))
674 674  
831 +(((
675 675  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 +)))
676 676  
835 +(((
836 +
837 +)))
677 677  
839 +(((
678 678  **Example:**
841 +)))
679 679  
680 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
681 -* 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.
682 -* 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 +)))
683 683  
684 684  [[image:image-20220602165351-6.png]]
685 685  
... ... @@ -687,200 +687,374 @@
687 687  
688 688  
689 689  
859 +
690 690  ==== **RS485 command timeout** ====
691 691  
862 +(((
692 692  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 +)))
693 693  
866 +(((
694 694  Default value: 0, range:  0 ~~ 65 seconds
868 +)))
695 695  
696 -* **AT Command:**
870 +* (((
871 +**AT Command:**
872 +)))
697 697  
698 698  (% class="box infomessage" %)
699 699  (((
876 +(((
700 700  **AT+CMDDLaa=hex(bb cc)*1000**
701 701  )))
879 +)))
702 702  
881 +(((
703 703  **Example:**
883 +)))
704 704  
885 +(((
705 705  **AT+CMDDL1=1000** to send the open time to 1000ms
887 +)))
706 706  
889 +(((
890 +
891 +)))
707 707  
708 -* **Downlink Payload:**
893 +* (((
894 +**Downlink Payload:**
895 +)))
709 709  
897 +(((
710 710  **0x AA aa bb cc**
899 +)))
711 711  
901 +(((
712 712  Same as: AT+CMDDLaa=hex(bb cc)*1000
903 +)))
713 713  
905 +(((
714 714   **Example:**
907 +)))
715 715  
909 +(((
716 716   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
911 +)))
717 717  
718 718  
719 719  
915 +
720 720  ==== **Uplink payload mode** ====
721 721  
918 +(((
722 722  Define to use one uplink or multiple uplinks for the sampling.
920 +)))
723 723  
922 +(((
724 724  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
924 +)))
725 725  
726 -* **AT Command:**
926 +* (((
927 +**AT Command:**
928 +)))
727 727  
728 728  (% class="box infomessage" %)
729 729  (((
932 +(((
730 730  **AT+DATAUP=0**
731 731  )))
935 +)))
732 732  
733 733  (% class="box infomessage" %)
734 734  (((
939 +(((
735 735  **AT+DATAUP=1**
736 736  )))
942 +)))
737 737  
944 +(((
945 +
946 +)))
738 738  
739 -* **Downlink Payload:**
948 +* (((
949 +**Downlink Payload:**
950 +)))
740 740  
952 +(((
741 741  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
954 +)))
742 742  
956 +(((
743 743  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
958 +)))
744 744  
745 745  
746 746  
962 +
747 747  ==== **Manually trigger an Uplink** ====
748 748  
965 +(((
749 749  Ask device to send an uplink immediately.
967 +)))
750 750  
751 -* **AT Command:**
969 +* (((
970 +**AT Command:**
971 +)))
752 752  
973 +(((
753 753  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
975 +)))
754 754  
977 +(((
978 +
979 +)))
755 755  
756 -* **Downlink Payload:**
981 +* (((
982 +**Downlink Payload:**
983 +)))
757 757  
985 +(((
758 758  **0x08 FF**, RS485-LN will immediately send an uplink.
987 +)))
759 759  
760 760  
761 761  
991 +
762 762  ==== **Clear RS485 Command** ====
763 763  
994 +(((
764 764  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
996 +)))
765 765  
766 -* **AT Command:**
998 +* (((
999 +**AT Command:**
1000 +)))
767 767  
1002 +(((
768 768  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1004 +)))
769 769  
1006 +(((
770 770  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1008 +)))
771 771  
1010 +(((
772 772  Example screen shot after clear all RS485 commands. 
1012 +)))
773 773  
1014 +(((
1015 +
1016 +)))
774 774  
1018 +(((
775 775  The uplink screen shot is:
1020 +)))
776 776  
777 777  [[image:1654160691922-496.png]]
778 778  
779 779  
780 -* **Downlink Payload:**
1025 +* (((
1026 +**Downlink Payload:**
1027 +)))
781 781  
1029 +(((
782 782  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1031 +)))
783 783  
784 784  
785 785  
1035 +
786 786  ==== **Set Serial Communication Parameters** ====
787 787  
1038 +(((
788 788  Set the Rs485 serial communication parameters:
1040 +)))
789 789  
790 -* **AT Command:**
1042 +* (((
1043 +**AT Command:**
1044 +)))
791 791  
1046 +(((
792 792  Set Baud Rate:
1048 +)))
793 793  
794 794  (% class="box infomessage" %)
795 795  (((
1052 +(((
796 796  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
797 797  )))
1055 +)))
798 798  
1057 +(((
799 799  Set UART Parity
1059 +)))
800 800  
801 801  (% class="box infomessage" %)
802 802  (((
1063 +(((
803 803  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
804 804  )))
1066 +)))
805 805  
1068 +(((
806 806  Set STOPBIT
1070 +)))
807 807  
808 808  (% class="box infomessage" %)
809 809  (((
1074 +(((
810 810  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
811 811  )))
1077 +)))
812 812  
1079 +(((
1080 +
1081 +)))
813 813  
814 -* **Downlink Payload:**
1083 +* (((
1084 +**Downlink Payload:**
1085 +)))
815 815  
1087 +(((
816 816  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1089 +)))
817 817  
1091 +(((
818 818  **Example:**
1093 +)))
819 819  
820 -* A7 01 00 60   same as AT+BAUDR=9600
821 -* 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 +)))
822 822  
1102 +(((
823 823  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1104 +)))
824 824  
1106 +(((
825 825  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1108 +)))
826 826  
827 827  
1111 +
1112 +
828 828  == 3.6 Listening mode for RS485 network ==
829 829  
1115 +(((
830 830  This feature support since firmware v1.4
1117 +)))
831 831  
1119 +(((
832 832  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 +)))
833 833  
834 834  [[image:image-20220602171200-8.png||height="567" width="1007"]]
835 835  
1125 +(((
836 836  To enable the listening mode, use can run the command AT+RXMODE.
1127 +)))
837 837  
1129 +(((
1130 +
1131 +)))
838 838  
839 -(% border="1" style="background-color:#ffffcc; width:500px" %)
840 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
841 -|(% 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.
842 -|(% 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
843 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
844 -|(% 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 +)))
845 845  
1160 +(((
846 846  **Downlink Command:**
1162 +)))
847 847  
1164 +(((
848 848  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1166 +)))
849 849  
1168 +(((
1169 +
1170 +)))
850 850  
1172 +(((
851 851  **Example**:
1174 +)))
852 852  
1176 +(((
853 853  The RS485-LN is set to AT+RXMODE=2,1000
1178 +)))
854 854  
1180 +(((
855 855  There is a two Modbus commands in the RS485 network as below:
1182 +)))
856 856  
1184 +(((
857 857  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1186 +)))
858 858  
1188 +(((
859 859  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1190 +)))
860 860  
1192 +(((
861 861  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 +)))
862 862  
1196 +(((
863 863  [[image:image-20220602171200-9.png]]
1198 +)))
864 864  
1200 +(((
1201 +
1202 +)))
865 865  
1204 +(((
1205 +(((
866 866  (% 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 +)))
867 867  
868 868  
869 869  == 3.7 Buttons ==
870 870  
871 871  
872 -(% border="1" style="background-color:#f7faff; width:500px" %)
873 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
874 -|**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**
875 -|**RST**|(% style="width:1420px" %)Reboot RS485
876 -|**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"]]
877 877  
878 878  == 3.8 LEDs ==
879 879  
880 -(% border="1" style="background-color:#f7faff; width:500px" %)
881 -|=**LEDs**|=**Feature**
1222 +
1223 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1224 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
882 882  |**PWR**|Always on if there is power
883 -|**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.
884 884  
885 885  = 4. Case Study =
886 886  
... ... @@ -891,19 +891,26 @@
891 891  
892 892  == 5.1 Access AT Command ==
893 893  
1237 +(((
894 894  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 +)))
895 895  
896 896  [[image:1654162355560-817.png]]
897 897  
898 898  
1244 +(((
899 899  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 +)))
900 900  
901 901  [[image:1654162368066-342.png]]
902 902  
903 903  
1251 +(((
904 904  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 +)))
905 905  
906 906  
1256 +
907 907  == 5.2 Common AT Command Sequence ==
908 908  
909 909  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -926,7 +926,9 @@
926 926  )))
927 927  
928 928  
1279 +(((
929 929  If device already joined network:
1281 +)))
930 930  
931 931  (% class="box infomessage" %)
932 932  (((
... ... @@ -965,10 +965,12 @@
965 965  
966 966  (% style="color:red" %)**Note:**
967 967  
1320 +(((
968 968  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
969 969  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
970 970  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.
971 971  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 +)))
972 972  
973 973  [[image:1654162478620-421.png]]
974 974  
... ... @@ -977,25 +977,45 @@
977 977  
978 978  == 6.1 How to upgrade the image? ==
979 979  
1334 +(((
980 980  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1336 +)))
981 981  
982 -* Support new features
983 -* For bug fix
984 -* Change LoRaWAN bands.
1338 +* (((
1339 +Support new features
1340 +)))
1341 +* (((
1342 +For bug fix
1343 +)))
1344 +* (((
1345 +Change LoRaWAN bands.
1346 +)))
985 985  
1348 +(((
986 986  Below shows the hardware connection for how to upload an image to RS485-LN:
1350 +)))
987 987  
988 988  [[image:1654162535040-878.png]]
989 989  
1354 +(((
990 990  **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 +)))
991 991  
1358 +(((
992 992  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1360 +)))
993 993  
1362 +(((
994 994  **Step3: **Open flashloader; choose the correct COM port to update.
1364 +)))
995 995  
996 996  (((
1367 +(((
1368 +(((
997 997  (% 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.
998 998  )))
1371 +)))
1372 +)))
999 999  
1000 1000  
1001 1001  [[image:image-20220602175818-12.png]]
... ... @@ -1058,7 +1058,6 @@
1058 1058  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1059 1059  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1060 1060  
1061 -
1062 1062  = 9.Packing Info =
1063 1063  
1064 1064  
... ... @@ -1075,7 +1075,6 @@
1075 1075  * Package Size / pcs : 14.5 x 8 x 5 cm
1076 1076  * Weight / pcs : 170g
1077 1077  
1078 -
1079 1079  = 10. FCC Caution for RS485LN-US915 =
1080 1080  
1081 1081  (((
image-20220606110929-1.png
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