Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 35.5 >
edited by Xiaoling
on 2022/06/02 15:48
To version < 47.3 >
edited by Xiaoling
on 2022/06/02 17:31
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -76,7 +76,6 @@
76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 77  * Packet engine up to 256 bytes with CRC.
78 78  
79 -
80 80  == 1.3 Features ==
81 81  
82 82  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -88,7 +88,6 @@
88 88  * Support Modbus protocol
89 89  * Support Interrupt uplink (Since hardware version v1.2)
90 90  
91 -
92 92  == 1.4 Applications ==
93 93  
94 94  * Smart Buildings & Home Automation
... ... @@ -98,7 +98,6 @@
98 98  * Smart Cities
99 99  * Smart Factory
100 100  
101 -
102 102  == 1.5 Firmware Change log ==
103 103  
104 104  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -286,7 +286,6 @@
286 286  )))
287 287  )))
288 288  
289 -
290 290  === 3.3.2 Configure sensors ===
291 291  
292 292  (((
... ... @@ -305,7 +305,6 @@
305 305  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
306 306  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307 307  
308 -
309 309  === 3.3.3 Configure read commands for each sampling ===
310 310  
311 311  (((
... ... @@ -412,7 +412,7 @@
412 412  [[image:1653269759169-150.png||height="513" width="716"]]
413 413  
414 414  
415 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
410 +(% style="color:#037691" %)**Examples: AT+DATAUP=1**
416 416  
417 417  
418 418  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
... ... @@ -421,169 +421,122 @@
421 421  
422 422  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
423 423  
424 -1. Battery Info (2 bytes): Battery voltage
425 -1. PAYVER (1 byte): Defined by AT+PAYVER
426 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
427 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
428 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
419 +1. PAYVER: Defined by AT+PAYVER
420 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
422 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
429 429  
430 -[[image:1653269916228-732.png||height="433" width="711"]]
424 +[[image:image-20220602155039-4.png]]
431 431  
432 432  
433 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
427 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
434 434  
435 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
429 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
436 436  
437 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
431 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
438 438  
439 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
433 +DATA3=the rest of Valid value of RETURN10= **30**
440 440  
441 -Below are the uplink payloads:
442 442  
443 -[[image:1653270130359-810.png]]
436 +(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:
444 444  
438 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
445 445  
446 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
440 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
447 447  
448 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
442 + * For US915 band, max 11 bytes for each uplink.
449 449  
450 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
444 + ~* For all other bands: max 51 bytes for each uplink.
451 451  
452 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
453 453  
454 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
447 +Below are the uplink payloads:
455 455  
449 +[[image:1654157178836-407.png]]
450 +
451 +
456 456  === 3.3.5 Uplink on demand ===
457 457  
458 -Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
454 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
459 459  
460 460  Downlink control command:
461 461  
462 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
458 +**0x08 command**: Poll an uplink with current command set in RS485-LN.
463 463  
464 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
460 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
465 465  
466 466  
467 467  
468 -1.
469 -11.
470 -111. Uplink on Interrupt
464 +=== 3.3.6 Uplink on Interrupt ===
471 471  
472 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
466 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
473 473  
474 -AT+INTMOD=0  Disable Interrupt
468 +[[image:1654157342174-798.png]]
475 475  
476 -AT+INTMOD=1  Interrupt trigger by rising or falling edge.
470 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
477 477  
478 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
479 479  
480 -AT+INTMOD=3  Interrupt trigger by rising edge.
473 +== 3.4 Uplink Payload ==
481 481  
482 -
483 -1.
484 -11. Uplink Payload
485 -
486 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
487 -|Value|(((
475 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
476 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
477 +|Value|(% style="width:120px" %)(((
488 488  Battery(mV)
489 489  
490 490  &
491 491  
492 492  Interrupt _Flag
493 -)))|(((
483 +)))|(% style="width:116px" %)(((
494 494  PAYLOAD_VER
495 495  
496 496  
497 -)))|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.
487 +)))|(% 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.
498 498  
499 499  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
500 500  
501 501  
502 -function Decoder(bytes, port) {
492 +== 3.5 Configure RS485-BL via AT or Downlink ==
503 503  
504 -~/~/Payload Formats of RS485-BL Deceive
494 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
505 505  
506 -return {
507 -
508 - ~/~/Battery,units:V
509 -
510 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
511 -
512 - ~/~/GPIO_EXTI 
513 -
514 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
515 -
516 - ~/~/payload of version
517 -
518 - Pay_ver:bytes[2],
519 -
520 - };
521 -
522 - }
523 -
524 -
525 -
526 -
527 -
528 -
529 -
530 -TTN V3 uplink screen shot.
531 -
532 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
533 -
534 -1.
535 -11. Configure RS485-BL via AT or Downlink
536 -
537 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
538 -
539 539  There are two kinds of Commands:
540 540  
541 -* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
498 +* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
542 542  
543 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
544 544  
545 -1.
546 -11.
547 -111. Common Commands:
502 +=== 3.5.1 Common Commands ===
548 548  
549 -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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
504 +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]]
550 550  
551 551  
552 -1.
553 -11.
554 -111. Sensor related commands:
507 +=== 3.5.2 Sensor related commands ===
555 555  
556 -==== Choose Device Type (RS485 or TTL) ====
509 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
557 557  
558 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
511 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
559 559  
560 -* AT Command
513 +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)
561 561  
562 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
563 563  
564 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
516 +=== 3.5.3 Sensor related commands ===
565 565  
518 +==== ====
566 566  
567 -* Downlink Payload
520 +==== **RS485 Debug Command** ====
568 568  
569 -**0A aa**     à same as AT+MOD=aa
522 +This command is used to configure the RS485 devices; they won’t be used during sampling.
570 570  
524 +* **AT Command**
571 571  
526 +(% class="box infomessage" %)
527 +(((
528 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
529 +)))
572 572  
573 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
531 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
574 574  
575 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
533 +* **Downlink Payload**
576 576  
577 -* AT Command
578 -
579 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
580 -
581 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
582 -
583 -
584 -
585 -* Downlink Payload
586 -
587 587  Format: A8 MM NN XX XX XX XX YY
588 588  
589 589  Where:
... ... @@ -591,9 +591,12 @@
591 591  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
592 592  * NN: The length of RS485 command
593 593  * XX XX XX XX: RS485 command total NN bytes
594 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
542 +* YY: How many bytes will be uplink from the return of this RS485 command,
543 +** if YY=0, RS485-LN will execute the downlink command without uplink;
544 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
545 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
595 595  
596 -**Example 1:**
547 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
597 597  
598 598  To connect a Modbus Alarm with below commands.
599 599  
... ... @@ -603,184 +603,191 @@
603 603  
604 604  So if user want to use downlink command to control to RS485 Alarm, he can use:
605 605  
606 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
557 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
607 607  
608 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
559 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
609 609  
610 610  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.
611 611  
612 612  
613 -**Example 2:**
564 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
614 614  
615 -Check TTL Sensor return:
566 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
616 616  
617 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
618 618  
569 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
619 619  
571 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
620 620  
573 + [[image:1654159460680-153.png]]
621 621  
622 -==== Set Payload version ====
623 623  
624 -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.
625 625  
626 -* AT Command:
577 +==== **Set Payload version** ====
627 627  
628 -AT+PAYVER: Set PAYVER field = 1
579 +This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
629 629  
581 +* **AT Command:**
630 630  
631 -* Downlink Payload:
583 +(% class="box infomessage" %)
584 +(((
585 +**AT+PAYVER: Set PAYVER field = 1**
586 +)))
632 632  
633 -0xAE 01   à Set PAYVER field =  0x01
588 +* **Downlink Payload:**
634 634  
635 -0xAE 0F   à Set PAYVER field =  0x0F
590 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
636 636  
592 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
637 637  
638 -==== Set RS485 Sampling Commands ====
639 639  
640 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
641 641  
642 -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]].
596 +==== **Set RS485 Sampling Commands** ====
643 643  
598 +AT+COMMANDx or AT+DATACUTx
644 644  
645 -* AT Command:
600 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
646 646  
647 -AT+COMMANDx: Configure RS485 read command to sensor.
648 648  
649 -AT+DATACUTx: Configure how to handle return from RS485 devices.
603 +* **AT Command:**
650 650  
651 -AT+SEARCHx: Configure search command
605 +(% class="box infomessage" %)
606 +(((
607 +**AT+COMMANDx: Configure RS485 read command to sensor.**
608 +)))
652 652  
610 +(% class="box infomessage" %)
611 +(((
612 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
613 +)))
653 653  
654 -* Downlink Payload:
655 655  
656 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
616 +* **Downlink Payload:**
657 657  
658 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
618 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
659 659  
620 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
621 +
660 660  Format: AF MM NN LL XX XX XX XX YY
661 661  
662 662  Where:
663 663  
664 664  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
665 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
666 -* LL: The length of AT+COMMAND or AT+DATACUT command
627 +* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
628 +* LL:  The length of AT+COMMAND or AT+DATACUT command
667 667  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
668 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
630 +* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
669 669  
670 -Example:
632 +**Example:**
671 671  
672 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
634 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
673 673  
674 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
636 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
675 675  
676 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
638 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
677 677  
678 678  
679 -0xAB downlink command can be used for set AT+SEARCHx
680 680  
681 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
642 +==== **Fast command to handle MODBUS device** ====
682 682  
683 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
684 -* 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
685 -
686 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
687 -
688 -
689 -==== Fast command to handle MODBUS device ====
690 -
691 691  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]].
692 692  
693 693  This command is valid since v1.3 firmware version
694 694  
648 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
695 695  
696 -AT+MBFUN has only two value:
697 697  
698 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
651 +**Example:**
699 699  
700 -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.
701 -
702 -* AT+MBFUN=0: Disable Modbus fast reading.
703 -
704 -Example:
705 -
706 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
653 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
707 707  * 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.
708 708  * 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.
709 709  
710 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
657 +[[image:image-20220602165351-6.png]]
711 711  
659 +[[image:image-20220602165351-7.png]]
712 712  
713 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
714 714  
715 715  
716 -* Downlink Commands:
663 +==== **RS485 command timeout** ====
717 717  
718 -A9 aa -à Same as AT+MBFUN=aa
665 +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.
719 719  
667 +Default value: 0, range:  0 ~~ 65 seconds
720 720  
721 -==== RS485 command timeout ====
669 +* **AT Command:**
722 722  
723 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
671 +(% class="box infomessage" %)
672 +(((
673 +**AT+CMDDLaa=hex(bb cc)*1000**
674 +)))
724 724  
725 -Default value: 0, range:  0 ~~ 5 seconds
676 +**Example:**
726 726  
678 +**AT+CMDDL1=1000** to send the open time to 1000ms
727 727  
728 -* AT Command:
729 729  
730 -AT+CMDDLaa=hex(bb cc)
681 +* **Downlink Payload:**
731 731  
732 -Example:
683 +**0x AA aa bb cc**
733 733  
734 -**AT+CMDDL1=1000** to send the open time to 1000ms
685 +Same as: AT+CMDDLaa=hex(bb cc)*1000
735 735  
687 + **Example:**
736 736  
737 -* Downlink Payload:
689 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
738 738  
739 -0x AA aa bb cc
740 740  
741 -Same as: AT+CMDDLaa=hex(bb cc)
742 742  
743 - Example:
693 +==== **Uplink payload mode** ====
744 744  
745 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
695 +Define to use one uplink or multiple uplinks for the sampling.
746 746  
697 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
747 747  
748 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
699 +* **AT Command:**
749 749  
750 -Define to use one uplink or multiple uplinks for the sampling.
701 +(% class="box infomessage" %)
702 +(((
703 +**AT+DATAUP=0**
704 +)))
751 751  
752 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
706 +(% class="box infomessage" %)
707 +(((
708 +**AT+DATAUP=1**
709 +)))
753 753  
754 -* AT Command:
755 755  
756 -AT+DATAUP=0
712 +* **Downlink Payload:**
757 757  
758 -AT+DATAUP=1
714 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
759 759  
716 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
760 760  
761 -* Downlink Payload:
762 762  
763 -0xAD 00   à Same as AT+DATAUP=0
764 764  
765 -0xAD 01   à Same as AT+DATAUP=1
720 +==== **Manually trigger an Uplink** ====
766 766  
722 +Ask device to send an uplink immediately.
767 767  
768 -==== Manually trigger an Uplink ====
724 +* **AT Command:**
769 769  
770 -Ask device to send an uplink immediately.
726 +No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
771 771  
772 -* Downlink Payload:
773 773  
774 -0x08 FF, RS485-BL will immediately send an uplink.
729 +* **Downlink Payload:**
775 775  
731 +**0x08 FF**, RS485-LN will immediately send an uplink.
776 776  
777 -==== Clear RS485 Command ====
778 778  
779 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
734 +==== ====
780 780  
736 +==== **Clear RS485 Command** ====
781 781  
782 -* AT Command:
738 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
783 783  
740 +* **AT Command:**
741 +
784 784  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
785 785  
786 786  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -788,43 +788,50 @@
788 788  Example screen shot after clear all RS485 commands. 
789 789  
790 790  
791 -
792 792  The uplink screen shot is:
793 793  
794 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
751 +[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
795 795  
796 796  
797 -* Downlink Payload:
754 +* **Downlink Payload:**
798 798  
799 -0x09 aa bb same as AT+CMDEAR=aa,bb
756 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
800 800  
801 801  
802 -==== Set Serial Communication Parameters ====
803 803  
760 +==== **Set Serial Communication Parameters** ====
761 +
804 804  Set the Rs485 serial communication parameters:
805 805  
806 -* AT Command:
764 +* **AT Command:**
807 807  
808 808  Set Baud Rate:
809 809  
810 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
768 +(% class="box infomessage" %)
769 +(((
770 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
771 +)))
811 811  
773 +Set UART Parity
812 812  
813 -Set UART parity
775 +(% class="box infomessage" %)
776 +(((
777 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
778 +)))
814 814  
815 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
816 -
817 -
818 818  Set STOPBIT
819 819  
820 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
782 +(% class="box infomessage" %)
783 +(((
784 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
785 +)))
821 821  
822 822  
823 -* Downlink Payload:
788 +* **Downlink Payload:**
824 824  
825 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
790 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
826 826  
827 -Example:
792 +**Example:**
828 828  
829 829  * A7 01 00 60   same as AT+BAUDR=9600
830 830  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -834,180 +834,160 @@
834 834  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
835 835  
836 836  
837 -==== Control output power duration ====
802 +== 3.6 Listening mode for RS485 network ==
838 838  
839 -User can set the output power duration before each sampling.
804 +This feature support since firmware v1.4
840 840  
841 -* AT Command:
806 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
842 842  
843 -Example:
808 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
844 844  
845 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
810 +To enable the listening mode, use can run the command AT+RXMODE.
846 846  
847 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
848 848  
813 +(% border="1" style="background-color:#ffffcc; width:500px" %)
814 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
815 +|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
816 +|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
817 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
818 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
849 849  
850 -* LoRaWAN Downlink Command:
820 +**Downlink Command:**
851 851  
852 -07 01 aa bb  Same as AT+5VT=(aa bb)
822 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
853 853  
854 -07 02 aa bb  Same as AT+3V3T=(aa bb)
855 855  
825 +**Example**:
856 856  
827 +The RS485-LN is set to AT+RXMODE=2,1000
857 857  
829 +There is a two Modbus commands in the RS485 network as below:
858 858  
859 -1.
860 -11. Buttons
831 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
861 861  
862 -|**Button**|**Feature**
863 -|**RST**|Reboot RS485-BL
833 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
864 864  
865 -1.
866 -11. +3V3 Output
835 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
867 867  
868 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
837 +[[image:image-20220602171200-9.png]]
869 869  
870 -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. 
871 871  
840 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
872 872  
873 -The +3V3 output time can be controlled by AT Command.
874 874  
875 -**AT+3V3T=1000**
843 +== 3.7 Buttons ==
876 876  
877 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
878 878  
846 +(% border="1" style="background-color:#f7faff; width:500px" %)
847 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
848 +|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
849 +|**RST**|(% style="width:1420px" %)Reboot RS485
850 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
879 879  
880 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
852 +== 3.8 LEDs ==
881 881  
854 +(% border="1" style="background-color:#f7faff; width:500px" %)
855 +|=**LEDs**|=**Feature**
856 +|**PWR**|Always on if there is power
857 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
882 882  
883 -1.
884 -11. +5V Output
885 885  
886 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
887 887  
888 -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. 
861 += 4. Case Study =
889 889  
863 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
890 890  
891 -The 5V output time can be controlled by AT Command.
892 892  
893 -**AT+5VT=1000**
866 += 5. Use AT Command =
894 894  
895 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
868 +== 5.1 Access AT Command ==
896 896  
870 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
897 897  
898 -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.
872 +[[image:1654135840598-282.png]]
899 899  
900 900  
875 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
901 901  
877 +[[image:1654136105500-922.png]]
902 902  
903 -1.
904 -11. LEDs
905 905  
906 -|**LEDs**|**Feature**
907 -|**LED1**|Blink when device transmit a packet.
880 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
908 908  
909 -1.
910 -11. Switch Jumper
911 911  
912 -|**Switch Jumper**|**Feature**
913 -|**SW1**|(((
914 -ISP position: Upgrade firmware via UART
883 +== 5.2 Common AT Command Sequence ==
915 915  
916 -Flash position: Configure device, check running status.
885 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
886 +
887 +If device has not joined network yet:
888 +
889 +(% class="box infomessage" %)
890 +(((
891 +**AT+FDR**
917 917  )))
918 -|**SW2**|(((
919 -5V position: set to compatible with 5v I/O.
920 920  
921 -3.3v position: set to compatible with 3.3v I/O.,
894 +(% class="box infomessage" %)
895 +(((
896 +**AT+NJM=0**
922 922  )))
923 923  
924 -+3.3V: is always ON
899 +(% class="box infomessage" %)
900 +(((
901 +**ATZ**
902 +)))
925 925  
926 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
927 927  
928 -1. Case Study
905 +If device already joined network:
929 929  
930 -User can check this URL for some case studies.
907 +(% class="box infomessage" %)
908 +(((
909 +**AT+NJM=0**
910 +)))
931 931  
932 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
912 +(% class="box infomessage" %)
913 +(((
914 +**ATZ**
915 +)))
933 933  
934 934  
918 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
935 935  
936 936  
937 -1. Use AT Command
938 -11. Access AT Command
921 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
939 939  
940 -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.
923 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
941 941  
942 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
925 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
943 943  
927 +(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
944 944  
945 -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:
929 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
946 946  
947 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
931 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
948 948  
933 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
949 949  
935 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
950 950  
951 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
937 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
952 952  
939 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
953 953  
954 954  
955 -1.
956 -11. Common AT Command Sequence
957 -111. Multi-channel ABP mode (Use with SX1301/LG308)
942 +(% style="color:red" %)**Note:**
958 958  
959 -If device has not joined network yet:
944 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
945 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
946 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
947 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
960 960  
961 -AT+FDR
949 +[[image:1654136435598-589.png]]
962 962  
963 -AT+NJM=0
964 964  
965 -ATZ
952 += 6. FAQ =
966 966  
954 +== 6.1 How to upgrade the image? ==
967 967  
968 -If device already joined network:
969 -
970 -AT+NJM=0
971 -
972 -ATZ
973 -
974 -1.
975 -11.
976 -111. Single-channel ABP mode (Use with LG01/LG02)
977 -
978 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
979 -
980 -AT+NJM=0 Set to ABP mode
981 -
982 -AT+ADR=0 Set the Adaptive Data Rate Off
983 -
984 -AT+DR=5  Set Data Rate
985 -
986 -AT+TDC=60000  Set transmit interval to 60 seconds
987 -
988 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
989 -
990 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
991 -
992 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
993 -
994 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
995 -
996 -ATZ          Reset MCU
997 -
998 -**Note:**
999 -
1000 -1. Make sure the device is set to ABP mode in the IoT Server.
1001 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1002 -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.
1003 -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
1004 -
1005 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1006 -
1007 -
1008 -1. FAQ
1009 -11. How to upgrade the image?
1010 -
1011 1011  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1012 1012  
1013 1013  * Support new features
... ... @@ -1016,7 +1016,7 @@
1016 1016  
1017 1017  Below shows the hardware connection for how to upload an image to RS485-BL:
1018 1018  
1019 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
964 +[[image:1654136646995-976.png]]
1020 1020  
1021 1021  **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]].
1022 1022  
... ... @@ -1024,97 +1024,57 @@
1024 1024  
1025 1025  **Step3: **Open flashloader; choose the correct COM port to update.
1026 1026  
972 +[[image:image-20220602102605-1.png]]
1027 1027  
1028 -|(((
1029 -HOLD PRO then press the RST button, SYS will be ON, then click next
1030 -)))
1031 1031  
1032 -|(((
1033 -Board detected
1034 -)))
975 +[[image:image-20220602102637-2.png]]
1035 1035  
1036 -|(((
1037 -
1038 -)))
1039 1039  
1040 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
978 +[[image:image-20220602102715-3.png]]
1041 1041  
1042 1042  
1043 1043  
1044 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
982 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1045 1045  
984 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1046 1046  
1047 -[[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]]
1048 1048  
1049 1049  
1050 -1.
1051 -11. How to change the LoRa Frequency Bands/Region?
988 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1052 1052  
1053 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
990 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1054 1054  
1055 1055  
1056 1056  
1057 -1.
1058 -11. How many RS485-Slave can RS485-BL connects?
994 += 7. Trouble Shooting =
1059 1059  
1060 -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]].
1061 1061  
997 +== 7.1 Downlink doesn’t work, how to solve it? ==
1062 1062  
999 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1063 1063  
1064 1064  
1065 -1. Trouble Shooting     
1066 -11. Downlink doesn’t work, how to solve it?
1002 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1067 1067  
1068 -Please see this link for debug:
1004 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1069 1069  
1070 -[[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  
1007 += 8. Order Info =
1072 1072  
1009 +(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1073 1073  
1074 -1.
1075 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1011 +(% style="color:blue" %)**XXX:**
1076 1076  
1077 -It might about the channels mapping. Please see for detail.
1013 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1014 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1015 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1016 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1017 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1018 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1019 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1020 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1021 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1022 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1078 1078  
1079 -[[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]]
1080 -
1081 -
1082 -
1083 -1. Order Info
1084 -
1085 -**Part Number: RS485-BL-XXX**
1086 -
1087 -**XXX:**
1088 -
1089 -* **EU433**: frequency bands EU433
1090 -* **EU868**: frequency bands EU868
1091 -* **KR920**: frequency bands KR920
1092 -* **CN470**: frequency bands CN470
1093 -* **AS923**: frequency bands AS923
1094 -* **AU915**: frequency bands AU915
1095 -* **US915**: frequency bands US915
1096 -* **IN865**: frequency bands IN865
1097 -* **RU864**: frequency bands RU864
1098 -* **KZ865: **frequency bands KZ865
1099 -
1100 -1. Packing Info
1101 -
1102 -**Package Includes**:
1103 -
1104 -* RS485-BL x 1
1105 -* Stick Antenna for LoRa RF part x 1
1106 -* Program cable x 1
1107 -
1108 -**Dimension and weight**:
1109 -
1110 -* Device Size: 13.5 x 7 x 3 cm
1111 -* Device Weight: 105g
1112 -* Package Size / pcs : 14.5 x 8 x 5 cm
1113 -* Weight / pcs : 170g
1114 -
1115 -1. Support
1116 -
1117 -* 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.
1118 -* 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
1119 -
1120 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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