Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 57.5 >
edited by Xiaoling
on 2022/06/06 08:46
To version < 38.1 >
edited by Xiaoling
on 2022/06/02 16:09
>
Change comment: Uploaded new attachment "1654157342174-798.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -74,10 +74,8 @@
74 74  * Preamble detection.
75 75  * 127 dB Dynamic Range RSSI.
76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
78 78  
79 -
80 -
81 81  == 1.3 Features ==
82 82  
83 83  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -89,8 +89,6 @@
89 89  * Support Modbus protocol
90 90  * Support Interrupt uplink (Since hardware version v1.2)
91 91  
92 -
93 -
94 94  == 1.4 Applications ==
95 95  
96 96  * Smart Buildings & Home Automation
... ... @@ -100,8 +100,6 @@
100 100  * Smart Cities
101 101  * Smart Factory
102 102  
103 -
104 -
105 105  == 1.5 Firmware Change log ==
106 106  
107 107  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -165,7 +165,7 @@
165 165  [[image:1653268227651-549.png||height="592" width="720"]]
166 166  
167 167  (((
168 -The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
162 +The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
169 169  )))
170 170  
171 171  (((
... ... @@ -467,77 +467,125 @@
467 467  
468 468  
469 469  
470 -=== 3.3.6 Uplink on Interrupt ===
464 +1.
465 +11.
466 +111. Uplink on Interrupt
471 471  
472 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
468 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
473 473  
474 -[[image:1654157342174-798.png]]
470 +AT+INTMOD=0  Disable Interrupt
475 475  
476 -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.
472 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
477 477  
474 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
478 478  
479 -== 3.4 Uplink Payload ==
476 +AT+INTMOD=3  Interrupt trigger by rising edge.
480 480  
481 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
482 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
483 -|Value|(% style="width:120px" %)(((
478 +
479 +1.
480 +11. Uplink Payload
481 +
482 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
483 +|Value|(((
484 484  Battery(mV)
485 485  
486 486  &
487 487  
488 488  Interrupt _Flag
489 -)))|(% style="width:116px" %)(((
489 +)))|(((
490 490  PAYLOAD_VER
491 491  
492 492  
493 -)))|(% 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.
493 +)))|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.
494 494  
495 495  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
496 496  
497 497  
498 -== 3.5 Configure RS485-BL via AT or Downlink ==
498 +function Decoder(bytes, port) {
499 499  
500 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
500 +~/~/Payload Formats of RS485-BL Deceive
501 501  
502 +return {
503 +
504 + ~/~/Battery,units:V
505 +
506 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
507 +
508 + ~/~/GPIO_EXTI 
509 +
510 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
511 +
512 + ~/~/payload of version
513 +
514 + Pay_ver:bytes[2],
515 +
516 + };
517 +
518 + }
519 +
520 +
521 +
522 +
523 +
524 +
525 +
526 +TTN V3 uplink screen shot.
527 +
528 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
529 +
530 +1.
531 +11. Configure RS485-BL via AT or Downlink
532 +
533 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
534 +
502 502  There are two kinds of Commands:
503 503  
504 -* (% 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]]
537 +* **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
505 505  
506 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
539 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
507 507  
508 -=== 3.5.1 Common Commands ===
541 +1.
542 +11.
543 +111. Common Commands:
509 509  
510 -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]]
545 +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]]
511 511  
512 512  
513 -=== 3.5.2 Sensor related commands ===
548 +1.
549 +11.
550 +111. Sensor related commands:
514 514  
515 -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.
552 +==== Choose Device Type (RS485 or TTL) ====
516 516  
517 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
554 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
518 518  
519 -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)
556 +* AT Command
520 520  
558 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
521 521  
522 -=== 3.5.3 Sensor related commands ===
560 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
523 523  
524 -==== ====
525 525  
526 -==== **RS485 Debug Command** ====
563 +* Downlink Payload
527 527  
528 -This command is used to configure the RS485 devices; they won’t be used during sampling.
565 +**0A aa**     à same as AT+MOD=aa
529 529  
530 -* **AT Command**
531 531  
532 -(% class="box infomessage" %)
533 -(((
534 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
535 -)))
536 536  
537 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
569 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
538 538  
539 -* **Downlink Payload**
571 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
540 540  
573 +* AT Command
574 +
575 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
576 +
577 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
578 +
579 +
580 +
581 +* Downlink Payload
582 +
541 541  Format: A8 MM NN XX XX XX XX YY
542 542  
543 543  Where:
... ... @@ -545,12 +545,9 @@
545 545  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
546 546  * NN: The length of RS485 command
547 547  * XX XX XX XX: RS485 command total NN bytes
548 -* YY: How many bytes will be uplink from the return of this RS485 command,
549 -** if YY=0, RS485-LN will execute the downlink command without uplink;
550 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
551 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
590 +* 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
552 552  
553 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
592 +**Example 1:**
554 554  
555 555  To connect a Modbus Alarm with below commands.
556 556  
... ... @@ -560,191 +560,184 @@
560 560  
561 561  So if user want to use downlink command to control to RS485 Alarm, he can use:
562 562  
563 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
602 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
564 564  
565 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
604 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
566 566  
567 567  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.
568 568  
569 569  
570 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
609 +**Example 2:**
571 571  
572 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
611 +Check TTL Sensor return:
573 573  
613 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
574 574  
575 -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:
576 576  
577 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
578 578  
579 - [[image:1654159460680-153.png]]
580 580  
618 +==== Set Payload version ====
581 581  
582 -
583 -==== **Set Payload version** ====
584 -
585 585  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.
586 586  
587 -* **AT Command:**
622 +* AT Command:
588 588  
589 -(% class="box infomessage" %)
590 -(((
591 -**AT+PAYVER: Set PAYVER field = 1**
592 -)))
624 +AT+PAYVER: Set PAYVER field = 1
593 593  
594 -* **Downlink Payload:**
595 595  
596 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
627 +* Downlink Payload:
597 597  
598 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
629 +0xAE 01   à Set PAYVER field =  0x01
599 599  
631 +0xAE 0F   à Set PAYVER field =  0x0F
600 600  
601 601  
602 -==== **Set RS485 Sampling Commands** ====
634 +==== Set RS485 Sampling Commands ====
603 603  
604 -AT+COMMANDx or AT+DATACUTx
636 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
605 605  
606 -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"]].
638 +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]].
607 607  
608 608  
609 -* **AT Command:**
641 +* AT Command:
610 610  
611 -(% class="box infomessage" %)
612 -(((
613 -**AT+COMMANDx: Configure RS485 read command to sensor.**
614 -)))
643 +AT+COMMANDx: Configure RS485 read command to sensor.
615 615  
616 -(% class="box infomessage" %)
617 -(((
618 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
619 -)))
645 +AT+DATACUTx: Configure how to handle return from RS485 devices.
620 620  
647 +AT+SEARCHx: Configure search command
621 621  
622 -* **Downlink Payload:**
623 623  
624 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
650 +* Downlink Payload:
625 625  
626 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
652 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
627 627  
654 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
655 +
628 628  Format: AF MM NN LL XX XX XX XX YY
629 629  
630 630  Where:
631 631  
632 632  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
633 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
634 -* LL:  The length of AT+COMMAND or AT+DATACUT command
661 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
662 +* LL: The length of AT+COMMAND or AT+DATACUT command
635 635  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
636 -* 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.
664 +* 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.
637 637  
638 -**Example:**
666 +Example:
639 639  
640 -(% 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
668 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
641 641  
642 -(% 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**
670 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
643 643  
644 -(% 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**
672 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
645 645  
646 646  
675 +0xAB downlink command can be used for set AT+SEARCHx
647 647  
648 -==== **Fast command to handle MODBUS device** ====
677 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
649 649  
679 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
680 +* 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
681 +
682 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
683 +
684 +
685 +==== Fast command to handle MODBUS device ====
686 +
650 650  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]].
651 651  
652 652  This command is valid since v1.3 firmware version
653 653  
654 -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.
655 655  
692 +AT+MBFUN has only two value:
656 656  
657 -**Example:**
694 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
658 658  
659 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
660 -* 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.
661 -* 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.
696 +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.
662 662  
663 -[[image:image-20220602165351-6.png]]
698 +* AT+MBFUN=0: Disable Modbus fast reading.
664 664  
665 -[[image:image-20220602165351-7.png]]
700 +Example:
666 666  
702 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
703 +* 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.
704 +* 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.
667 667  
706 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
668 668  
669 -==== **RS485 command timeout** ====
670 670  
671 -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.
709 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
672 672  
673 -Default value: 0, range:  0 ~~ 65 seconds
674 674  
675 -* **AT Command:**
712 +* Downlink Commands:
676 676  
677 -(% class="box infomessage" %)
678 -(((
679 -**AT+CMDDLaa=hex(bb cc)*1000**
680 -)))
714 +A9 aa -à Same as AT+MBFUN=aa
681 681  
682 -**Example:**
683 683  
684 -**AT+CMDDL1=1000** to send the open time to 1000ms
717 +==== RS485 command timeout ====
685 685  
719 +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.
686 686  
687 -* **Downlink Payload:**
721 +Default value: 0, range:  0 ~~ 5 seconds
688 688  
689 -**0x AA aa bb cc**
690 690  
691 -Same as: AT+CMDDLaa=hex(bb cc)*1000
724 +* AT Command:
692 692  
693 - **Example:**
726 +AT+CMDDLaa=hex(bb cc)
694 694  
695 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
728 +Example:
696 696  
730 +**AT+CMDDL1=1000** to send the open time to 1000ms
697 697  
698 698  
699 -==== **Uplink payload mode** ====
733 +* Downlink Payload:
700 700  
701 -Define to use one uplink or multiple uplinks for the sampling.
735 +0x AA aa bb cc
702 702  
703 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
737 +Same as: AT+CMDDLaa=hex(bb cc)
704 704  
705 -* **AT Command:**
739 + Example:
706 706  
707 -(% class="box infomessage" %)
708 -(((
709 -**AT+DATAUP=0**
710 -)))
741 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
711 711  
712 -(% class="box infomessage" %)
713 -(((
714 -**AT+DATAUP=1**
715 -)))
716 716  
744 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
717 717  
718 -* **Downlink Payload:**
746 +Define to use one uplink or multiple uplinks for the sampling.
719 719  
720 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
748 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
721 721  
722 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
750 +* AT Command:
723 723  
752 +AT+DATAUP=0
724 724  
754 +AT+DATAUP=1
725 725  
726 -==== **Manually trigger an Uplink** ====
727 727  
728 -Ask device to send an uplink immediately.
757 +* Downlink Payload:
729 729  
730 -* **AT Command:**
759 +0xAD 00   à Same as AT+DATAUP=0
731 731  
732 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
761 +0xAD 01   à Same as AT+DATAUP=1
733 733  
734 734  
735 -* **Downlink Payload:**
764 +==== Manually trigger an Uplink ====
736 736  
737 -**0x08 FF**, RS485-LN will immediately send an uplink.
766 +Ask device to send an uplink immediately.
738 738  
768 +* Downlink Payload:
739 739  
740 -==== ====
770 +0x08 FF, RS485-BL will immediately send an uplink.
741 741  
742 -==== **Clear RS485 Command** ====
743 743  
773 +==== Clear RS485 Command ====
774 +
744 744  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
745 745  
746 -* **AT Command:**
747 747  
778 +* AT Command:
779 +
748 748  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
749 749  
750 750  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -752,50 +752,43 @@
752 752  Example screen shot after clear all RS485 commands. 
753 753  
754 754  
787 +
755 755  The uplink screen shot is:
756 756  
757 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
790 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
758 758  
759 759  
760 -* **Downlink Payload:**
793 +* Downlink Payload:
761 761  
762 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
795 +0x09 aa bb same as AT+CMDEAR=aa,bb
763 763  
764 764  
798 +==== Set Serial Communication Parameters ====
765 765  
766 -==== **Set Serial Communication Parameters** ====
767 -
768 768  Set the Rs485 serial communication parameters:
769 769  
770 -* **AT Command:**
802 +* AT Command:
771 771  
772 772  Set Baud Rate:
773 773  
774 -(% class="box infomessage" %)
775 -(((
776 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
777 -)))
806 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
778 778  
779 -Set UART Parity
780 780  
781 -(% class="box infomessage" %)
782 -(((
783 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
784 -)))
809 +Set UART parity
785 785  
811 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
812 +
813 +
786 786  Set STOPBIT
787 787  
788 -(% class="box infomessage" %)
789 -(((
790 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
791 -)))
816 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
792 792  
793 793  
794 -* **Downlink Payload:**
819 +* Downlink Payload:
795 795  
796 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
821 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
797 797  
798 -**Example:**
823 +Example:
799 799  
800 800  * A7 01 00 60   same as AT+BAUDR=9600
801 801  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -805,279 +805,287 @@
805 805  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
806 806  
807 807  
808 -== 3.6 Listening mode for RS485 network ==
833 +==== Control output power duration ====
809 809  
810 -This feature support since firmware v1.4
835 +User can set the output power duration before each sampling.
811 811  
812 -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.
837 +* AT Command:
813 813  
814 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
839 +Example:
815 815  
816 -To enable the listening mode, use can run the command AT+RXMODE.
841 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
817 817  
843 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
818 818  
819 -(% border="1" style="background-color:#ffffcc; width:500px" %)
820 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
821 -|(% 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.
822 -|(% 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
823 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
824 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
825 825  
826 -**Downlink Command:**
846 +* LoRaWAN Downlink Command:
827 827  
828 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
848 +07 01 aa bb  Same as AT+5VT=(aa bb)
829 829  
850 +07 02 aa bb  Same as AT+3V3T=(aa bb)
830 830  
831 -**Example**:
832 832  
833 -The RS485-LN is set to AT+RXMODE=2,1000
834 834  
835 -There is a two Modbus commands in the RS485 network as below:
836 836  
837 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
855 +1.
856 +11. Buttons
838 838  
839 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
858 +|**Button**|**Feature**
859 +|**RST**|Reboot RS485-BL
840 840  
841 -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
861 +1.
862 +11. +3V3 Output
842 842  
843 -[[image:image-20220602171200-9.png]]
864 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
844 844  
866 +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. 
845 845  
846 -(% 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.
847 847  
869 +The +3V3 output time can be controlled by AT Command.
848 848  
849 -== 3.7 Buttons ==
871 +**AT+3V3T=1000**
850 850  
873 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
851 851  
852 -(% border="1" style="background-color:#f7faff; width:500px" %)
853 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
854 -|**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**
855 -|**RST**|(% style="width:1420px" %)Reboot RS485
856 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
857 857  
858 -== 3.8 LEDs ==
876 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
859 859  
860 -(% border="1" style="background-color:#f7faff; width:500px" %)
861 -|=**LEDs**|=**Feature**
862 -|**PWR**|Always on if there is power
863 -|**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.
864 864  
865 -= 4. Case Study =
879 +1.
880 +11. +5V Output
866 866  
867 -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]]
882 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
868 868  
884 +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. 
869 869  
870 -= 5. Use AT Command =
871 871  
872 -== 5.1 Access AT Command ==
887 +The 5V output time can be controlled by AT Command.
873 873  
874 -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.
889 +**AT+5VT=1000**
875 875  
876 -[[image:1654162355560-817.png]]
891 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
877 877  
878 878  
879 -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:
894 +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.
880 880  
881 -[[image:1654162368066-342.png]]
882 882  
883 883  
884 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
885 885  
899 +1.
900 +11. LEDs
886 886  
887 -== 5.2 Common AT Command Sequence ==
902 +|**LEDs**|**Feature**
903 +|**LED1**|Blink when device transmit a packet.
888 888  
889 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
905 +1.
906 +11. Switch Jumper
890 890  
891 -If device has not joined network yet:
908 +|**Switch Jumper**|**Feature**
909 +|**SW1**|(((
910 +ISP position: Upgrade firmware via UART
892 892  
893 -(% class="box infomessage" %)
894 -(((
895 -**AT+FDR**
912 +Flash position: Configure device, check running status.
896 896  )))
914 +|**SW2**|(((
915 +5V position: set to compatible with 5v I/O.
897 897  
898 -(% class="box infomessage" %)
899 -(((
900 -**AT+NJM=0**
917 +3.3v position: set to compatible with 3.3v I/O.,
901 901  )))
902 902  
903 -(% class="box infomessage" %)
904 -(((
905 -**ATZ**
906 -)))
920 ++3.3V: is always ON
907 907  
922 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
908 908  
909 -If device already joined network:
924 +1. Case Study
910 910  
911 -(% class="box infomessage" %)
912 -(((
913 -**AT+NJM=0**
914 -)))
926 +User can check this URL for some case studies.
915 915  
916 -(% class="box infomessage" %)
917 -(((
918 -**ATZ**
919 -)))
928 +[[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]]
920 920  
921 921  
922 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
923 923  
924 924  
925 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
933 +1. Use AT Command
934 +11. Access AT Command
926 926  
927 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
936 +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.
928 928  
929 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
938 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
930 930  
931 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
932 932  
933 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
941 +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:
934 934  
935 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
943 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
936 936  
937 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
938 938  
939 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
940 940  
941 -(% 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.
947 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
942 942  
943 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
944 944  
945 945  
946 -(% style="color:red" %)**Note:**
951 +1.
952 +11. Common AT Command Sequence
953 +111. Multi-channel ABP mode (Use with SX1301/LG308)
947 947  
948 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
949 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
950 -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.
951 -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
955 +If device has not joined network yet:
952 952  
953 -[[image:1654162478620-421.png]]
957 +AT+FDR
954 954  
959 +AT+NJM=0
955 955  
956 -= 6. FAQ =
961 +ATZ
957 957  
958 -== 6.1 How to upgrade the image? ==
959 959  
960 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
964 +If device already joined network:
961 961  
962 -* Support new features
963 -* For bug fix
964 -* Change LoRaWAN bands.
966 +AT+NJM=0
965 965  
966 -Below shows the hardware connection for how to upload an image to RS485-LN:
968 +ATZ
967 967  
968 -[[image:1654162535040-878.png]]
970 +1.
971 +11.
972 +111. Single-channel ABP mode (Use with LG01/LG02)
969 969  
970 -**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]].
974 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
971 971  
972 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
976 +AT+NJM=0 Set to ABP mode
973 973  
974 -**Step3: **Open flashloader; choose the correct COM port to update.
978 +AT+ADR=0 Set the Adaptive Data Rate Off
975 975  
976 -(% 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.
980 +AT+DR=5  Set Data Rate
977 977  
982 +AT+TDC=60000  Set transmit interval to 60 seconds
978 978  
979 -[[image:image-20220602175818-12.png]]
984 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
980 980  
986 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
981 981  
982 -[[image:image-20220602175848-13.png]]
988 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
983 983  
990 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
984 984  
985 -[[image:image-20220602175912-14.png]]
992 +ATZ          Reset MCU
986 986  
994 +**Note:**
987 987  
988 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
996 +1. Make sure the device is set to ABP mode in the IoT Server.
997 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
998 +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.
999 +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
989 989  
990 -[[image:image-20220602175638-10.png]]
1001 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
991 991  
992 992  
993 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1004 +1. FAQ
1005 +11. How to upgrade the image?
994 994  
995 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1007 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
996 996  
1009 +* Support new features
1010 +* For bug fix
1011 +* Change LoRaWAN bands.
997 997  
998 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1013 +Below shows the hardware connection for how to upload an image to RS485-BL:
999 999  
1000 -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"]].
1015 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1001 1001  
1017 +**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]].
1002 1002  
1003 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1019 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1004 1004  
1005 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1021 +**Step3: **Open flashloader; choose the correct COM port to update.
1006 1006  
1007 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1008 1008  
1024 +|(((
1025 +HOLD PRO then press the RST button, SYS will be ON, then click next
1026 +)))
1009 1009  
1010 -= 7. Trouble Shooting =
1028 +|(((
1029 +Board detected
1030 +)))
1011 1011  
1012 -== 7.1 Downlink doesn’t work, how to solve it? ==
1032 +|(((
1033 +
1034 +)))
1013 1013  
1014 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1036 +[[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]]
1015 1015  
1016 1016  
1017 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1018 1018  
1019 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1040 +[[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]]
1020 1020  
1021 1021  
1022 -= 8. Order Info =
1043 +[[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]]
1023 1023  
1024 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1025 1025  
1026 -(% style="color:blue" %)**XXX:**
1046 +1.
1047 +11. How to change the LoRa Frequency Bands/Region?
1027 1027  
1028 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1029 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1030 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1031 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1032 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1033 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1034 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1035 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1036 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1037 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1049 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1038 1038  
1039 -= 9.Packing Info =
1040 1040  
1041 1041  
1042 -**Package Includes**:
1053 +1.
1054 +11. How many RS485-Slave can RS485-BL connects?
1043 1043  
1044 -* RS485-LN x 1
1045 -* Stick Antenna for LoRa RF part x 1
1046 -* Program cable x 1
1056 +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]].
1047 1047  
1048 -**Dimension and weight**:
1049 1049  
1050 -* Device Size: 13.5 x 7 x 3 cm
1051 -* Device Weight: 105g
1052 -* Package Size / pcs : 14.5 x 8 x 5 cm
1053 -* Weight / pcs : 170g
1054 1054  
1055 -= 10. FCC Caution for RS485LN-US915 =
1056 1056  
1057 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1061 +1. Trouble Shooting     
1062 +11. Downlink doesn’t work, how to solve it?
1058 1058  
1059 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1064 +Please see this link for debug:
1060 1060  
1066 +[[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]] 
1061 1061  
1062 -**IMPORTANT NOTE:**
1063 1063  
1064 -**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1065 1065  
1066 -—Reorient or relocate the receiving antenna.
1070 +1.
1071 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1067 1067  
1068 -—Increase the separation between the equipment and receiver.
1073 +It might about the channels mapping. Please see for detail.
1069 1069  
1070 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1075 +[[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]]
1071 1071  
1072 -—Consult the dealer or an experienced radio/TV technician for help.
1073 1073  
1074 1074  
1075 -**FCC Radiation Exposure Statement:**
1079 +1. Order Info
1076 1076  
1077 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1081 +**Part Number: RS485-BL-XXX**
1078 1078  
1083 +**XXX:**
1079 1079  
1080 -= 11. Support =
1085 +* **EU433**: frequency bands EU433
1086 +* **EU868**: frequency bands EU868
1087 +* **KR920**: frequency bands KR920
1088 +* **CN470**: frequency bands CN470
1089 +* **AS923**: frequency bands AS923
1090 +* **AU915**: frequency bands AU915
1091 +* **US915**: frequency bands US915
1092 +* **IN865**: frequency bands IN865
1093 +* **RU864**: frequency bands RU864
1094 +* **KZ865: **frequency bands KZ865
1081 1081  
1096 +1. Packing Info
1097 +
1098 +**Package Includes**:
1099 +
1100 +* RS485-BL x 1
1101 +* Stick Antenna for LoRa RF part x 1
1102 +* Program cable x 1
1103 +
1104 +**Dimension and weight**:
1105 +
1106 +* Device Size: 13.5 x 7 x 3 cm
1107 +* Device Weight: 105g
1108 +* Package Size / pcs : 14.5 x 8 x 5 cm
1109 +* Weight / pcs : 170g
1110 +
1111 +1. Support
1112 +
1082 1082  * 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.
1083 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1114 +* 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
1115 +
1116 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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