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... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -80,9 +80,8 @@
80 80  * Preamble detection.
81 81  * 127 dB Dynamic Range RSSI.
82 82  * Automatic RF Sense and CAD with ultra-fast AFC.
83 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
84 84  
85 -
86 86  == 1.3 Features ==
87 87  
88 88  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -94,7 +94,6 @@
94 94  * Support Modbus protocol
95 95  * Support Interrupt uplink (Since hardware version v1.2)
96 96  
97 -
98 98  == 1.4 Applications ==
99 99  
100 100  * Smart Buildings & Home Automation
... ... @@ -104,7 +104,6 @@
104 104  * Smart Cities
105 105  * Smart Factory
106 106  
107 -
108 108  == 1.5 Firmware Change log ==
109 109  
110 110  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -168,7 +168,7 @@
168 168  [[image:1653268227651-549.png||height="592" width="720"]]
169 169  
170 170  (((
171 -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:
172 172  )))
173 173  
174 174  (((
... ... @@ -220,7 +220,7 @@
220 220  
221 221  (((
222 222  (((
223 -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.
214 +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>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
224 224  )))
225 225  
226 226  (((
... ... @@ -292,8 +292,6 @@
292 292  )))
293 293  )))
294 294  
295 -
296 -
297 297  === 3.3.2 Configure sensors ===
298 298  
299 299  (((
... ... @@ -312,8 +312,6 @@
312 312  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313 313  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
314 314  
315 -
316 -
317 317  === 3.3.3 Configure read commands for each sampling ===
318 318  
319 319  (((
... ... @@ -429,7 +429,6 @@
429 429  
430 430  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
431 431  
432 -
433 433  1. PAYVER: Defined by AT+PAYVER
434 434  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
435 435  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -484,70 +484,110 @@
484 484  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.
485 485  
486 486  
487 -== 3.4 Uplink Payload ==
473 +1.
474 +11. Uplink Payload
488 488  
489 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
490 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
491 -|Value|(% style="width:120px" %)(((
476 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
477 +|Value|(((
492 492  Battery(mV)
493 493  
494 494  &
495 495  
496 496  Interrupt _Flag
497 -)))|(% style="width:116px" %)(((
483 +)))|(((
498 498  PAYLOAD_VER
499 499  
500 500  
501 -)))|(% 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.
487 +)))|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.
502 502  
503 503  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
504 504  
505 505  
506 -== 3.5 Configure RS485-BL via AT or Downlink ==
492 +function Decoder(bytes, port) {
507 507  
508 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
494 +~/~/Payload Formats of RS485-BL Deceive
509 509  
496 +return {
497 +
498 + ~/~/Battery,units:V
499 +
500 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
501 +
502 + ~/~/GPIO_EXTI 
503 +
504 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
505 +
506 + ~/~/payload of version
507 +
508 + Pay_ver:bytes[2],
509 +
510 + };
511 +
512 + }
513 +
514 +
515 +
516 +
517 +
518 +
519 +
520 +TTN V3 uplink screen shot.
521 +
522 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
523 +
524 +1.
525 +11. Configure RS485-BL via AT or Downlink
526 +
527 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
528 +
510 510  There are two kinds of Commands:
511 511  
512 -* (% 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]]
531 +* **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
513 513  
514 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
533 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
515 515  
535 +1.
536 +11.
537 +111. Common Commands:
516 516  
539 +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]]
517 517  
518 -=== 3.5.1 Common Commands ===
519 519  
520 -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]]
542 +1.
543 +11.
544 +111. Sensor related commands:
521 521  
546 +==== Choose Device Type (RS485 or TTL) ====
522 522  
523 -=== 3.5.2 Sensor related commands ===
548 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
524 524  
525 -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.
550 +* AT Command
526 526  
527 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
552 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
528 528  
529 -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)
554 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
530 530  
531 531  
532 -=== 3.5.3 Sensor related commands ===
557 +* Downlink Payload
533 533  
559 +**0A aa**     à same as AT+MOD=aa
534 534  
535 535  
536 -==== **RS485 Debug Command** ====
537 537  
538 -This command is used to configure the RS485 devices; they won’t be used during sampling.
563 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
539 539  
540 -* **AT Command**
565 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
541 541  
542 -(% class="box infomessage" %)
543 -(((
544 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
545 -)))
567 +* AT Command
546 546  
547 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
569 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
548 548  
549 -* **Downlink Payload**
571 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
550 550  
573 +
574 +
575 +* Downlink Payload
576 +
551 551  Format: A8 MM NN XX XX XX XX YY
552 552  
553 553  Where:
... ... @@ -555,12 +555,9 @@
555 555  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
556 556  * NN: The length of RS485 command
557 557  * XX XX XX XX: RS485 command total NN bytes
558 -* YY: How many bytes will be uplink from the return of this RS485 command,
559 -** if YY=0, RS485-LN will execute the downlink command without uplink;
560 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
561 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
584 +* 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
562 562  
563 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
586 +**Example 1:**
564 564  
565 565  To connect a Modbus Alarm with below commands.
566 566  
... ... @@ -570,190 +570,184 @@
570 570  
571 571  So if user want to use downlink command to control to RS485 Alarm, he can use:
572 572  
573 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
596 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
574 574  
575 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
598 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
576 576  
577 577  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.
578 578  
579 579  
580 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
603 +**Example 2:**
581 581  
582 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
605 +Check TTL Sensor return:
583 583  
607 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
584 584  
585 -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:
586 586  
587 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
588 588  
589 - [[image:1654159460680-153.png]]
590 590  
612 +==== Set Payload version ====
591 591  
592 -
593 -==== **Set Payload version** ====
594 -
595 595  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.
596 596  
597 -* **AT Command:**
616 +* AT Command:
598 598  
599 -(% class="box infomessage" %)
600 -(((
601 -**AT+PAYVER: Set PAYVER field = 1**
602 -)))
618 +AT+PAYVER: Set PAYVER field = 1
603 603  
604 -* **Downlink Payload:**
605 605  
606 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
621 +* Downlink Payload:
607 607  
608 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
623 +0xAE 01   à Set PAYVER field =  0x01
609 609  
625 +0xAE 0F   à Set PAYVER field =  0x0F
610 610  
611 611  
612 -==== **Set RS485 Sampling Commands** ====
628 +==== Set RS485 Sampling Commands ====
613 613  
614 -AT+COMMANDx or AT+DATACUTx
630 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
615 615  
616 -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"]].
632 +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]].
617 617  
618 618  
619 -* **AT Command:**
635 +* AT Command:
620 620  
621 -(% class="box infomessage" %)
622 -(((
623 -**AT+COMMANDx: Configure RS485 read command to sensor.**
624 -)))
637 +AT+COMMANDx: Configure RS485 read command to sensor.
625 625  
626 -(% class="box infomessage" %)
627 -(((
628 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
629 -)))
639 +AT+DATACUTx: Configure how to handle return from RS485 devices.
630 630  
641 +AT+SEARCHx: Configure search command
631 631  
632 -* **Downlink Payload:**
633 633  
634 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
644 +* Downlink Payload:
635 635  
636 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
646 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
637 637  
648 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
649 +
638 638  Format: AF MM NN LL XX XX XX XX YY
639 639  
640 640  Where:
641 641  
642 642  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
643 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
644 -* LL:  The length of AT+COMMAND or AT+DATACUT command
655 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
656 +* LL: The length of AT+COMMAND or AT+DATACUT command
645 645  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
646 -* 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.
658 +* 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.
647 647  
648 -**Example:**
660 +Example:
649 649  
650 -(% 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
662 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
651 651  
652 -(% 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**
664 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
653 653  
654 -(% 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**
666 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
655 655  
656 656  
669 +0xAB downlink command can be used for set AT+SEARCHx
657 657  
658 -==== **Fast command to handle MODBUS device** ====
671 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
659 659  
673 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
674 +* 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
675 +
676 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
677 +
678 +
679 +==== Fast command to handle MODBUS device ====
680 +
660 660  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]].
661 661  
662 662  This command is valid since v1.3 firmware version
663 663  
664 -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.
665 665  
686 +AT+MBFUN has only two value:
666 666  
667 -**Example:**
688 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
668 668  
669 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
670 -* 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.
671 -* 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.
690 +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.
672 672  
673 -[[image:image-20220602165351-6.png]]
692 +* AT+MBFUN=0: Disable Modbus fast reading.
674 674  
675 -[[image:image-20220602165351-7.png]]
694 +Example:
676 676  
696 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
697 +* 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.
698 +* 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.
677 677  
700 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
678 678  
679 -==== **RS485 command timeout** ====
680 680  
681 -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.
703 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
682 682  
683 -Default value: 0, range:  0 ~~ 65 seconds
684 684  
685 -* **AT Command:**
706 +* Downlink Commands:
686 686  
687 -(% class="box infomessage" %)
688 -(((
689 -**AT+CMDDLaa=hex(bb cc)*1000**
690 -)))
708 +A9 aa -à Same as AT+MBFUN=aa
691 691  
692 -**Example:**
693 693  
694 -**AT+CMDDL1=1000** to send the open time to 1000ms
711 +==== RS485 command timeout ====
695 695  
713 +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.
696 696  
697 -* **Downlink Payload:**
715 +Default value: 0, range:  0 ~~ 5 seconds
698 698  
699 -**0x AA aa bb cc**
700 700  
701 -Same as: AT+CMDDLaa=hex(bb cc)*1000
718 +* AT Command:
702 702  
703 - **Example:**
720 +AT+CMDDLaa=hex(bb cc)
704 704  
705 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
722 +Example:
706 706  
724 +**AT+CMDDL1=1000** to send the open time to 1000ms
707 707  
708 708  
709 -==== **Uplink payload mode** ====
727 +* Downlink Payload:
710 710  
711 -Define to use one uplink or multiple uplinks for the sampling.
729 +0x AA aa bb cc
712 712  
713 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
731 +Same as: AT+CMDDLaa=hex(bb cc)
714 714  
715 -* **AT Command:**
733 + Example:
716 716  
717 -(% class="box infomessage" %)
718 -(((
719 -**AT+DATAUP=0**
720 -)))
735 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
721 721  
722 -(% class="box infomessage" %)
723 -(((
724 -**AT+DATAUP=1**
725 -)))
726 726  
738 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
727 727  
728 -* **Downlink Payload:**
740 +Define to use one uplink or multiple uplinks for the sampling.
729 729  
730 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
742 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
731 731  
732 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
744 +* AT Command:
733 733  
746 +AT+DATAUP=0
734 734  
748 +AT+DATAUP=1
735 735  
736 -==== **Manually trigger an Uplink** ====
737 737  
738 -Ask device to send an uplink immediately.
751 +* Downlink Payload:
739 739  
740 -* **AT Command:**
753 +0xAD 00   à Same as AT+DATAUP=0
741 741  
742 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
755 +0xAD 01   à Same as AT+DATAUP=1
743 743  
744 744  
745 -* **Downlink Payload:**
758 +==== Manually trigger an Uplink ====
746 746  
747 -**0x08 FF**, RS485-LN will immediately send an uplink.
760 +Ask device to send an uplink immediately.
748 748  
762 +* Downlink Payload:
749 749  
764 +0x08 FF, RS485-BL will immediately send an uplink.
750 750  
751 -==== **Clear RS485 Command** ====
752 752  
767 +==== Clear RS485 Command ====
768 +
753 753  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
754 754  
755 -* **AT Command:**
756 756  
772 +* AT Command:
773 +
757 757  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
758 758  
759 759  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -761,50 +761,43 @@
761 761  Example screen shot after clear all RS485 commands. 
762 762  
763 763  
781 +
764 764  The uplink screen shot is:
765 765  
766 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
784 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
767 767  
768 768  
769 -* **Downlink Payload:**
787 +* Downlink Payload:
770 770  
771 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
789 +0x09 aa bb same as AT+CMDEAR=aa,bb
772 772  
773 773  
792 +==== Set Serial Communication Parameters ====
774 774  
775 -==== **Set Serial Communication Parameters** ====
776 -
777 777  Set the Rs485 serial communication parameters:
778 778  
779 -* **AT Command:**
796 +* AT Command:
780 780  
781 781  Set Baud Rate:
782 782  
783 -(% class="box infomessage" %)
784 -(((
785 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
786 -)))
800 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
787 787  
788 -Set UART Parity
789 789  
790 -(% class="box infomessage" %)
791 -(((
792 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
793 -)))
803 +Set UART parity
794 794  
805 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
806 +
807 +
795 795  Set STOPBIT
796 796  
797 -(% class="box infomessage" %)
798 -(((
799 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
800 -)))
810 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
801 801  
802 802  
803 -* **Downlink Payload:**
813 +* Downlink Payload:
804 804  
805 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
815 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
806 806  
807 -**Example:**
817 +Example:
808 808  
809 809  * A7 01 00 60   same as AT+BAUDR=9600
810 810  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -814,283 +814,287 @@
814 814  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
815 815  
816 816  
817 -== 3.6 Listening mode for RS485 network ==
827 +==== Control output power duration ====
818 818  
819 -This feature support since firmware v1.4
829 +User can set the output power duration before each sampling.
820 820  
821 -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.
831 +* AT Command:
822 822  
823 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
833 +Example:
824 824  
825 -To enable the listening mode, use can run the command AT+RXMODE.
835 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
826 826  
837 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
827 827  
828 -(% border="1" style="background-color:#ffffcc; width:500px" %)
829 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
830 -|(% 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.
831 -|(% 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
832 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
833 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
834 834  
835 -**Downlink Command:**
840 +* LoRaWAN Downlink Command:
836 836  
837 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
842 +07 01 aa bb  Same as AT+5VT=(aa bb)
838 838  
844 +07 02 aa bb  Same as AT+3V3T=(aa bb)
839 839  
840 -**Example**:
841 841  
842 -The RS485-LN is set to AT+RXMODE=2,1000
843 843  
844 -There is a two Modbus commands in the RS485 network as below:
845 845  
846 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
849 +1.
850 +11. Buttons
847 847  
848 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
852 +|**Button**|**Feature**
853 +|**RST**|Reboot RS485-BL
849 849  
850 -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
855 +1.
856 +11. +3V3 Output
851 851  
852 -[[image:image-20220602171200-9.png]]
858 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
853 853  
860 +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. 
854 854  
855 -(% 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.
856 856  
863 +The +3V3 output time can be controlled by AT Command.
857 857  
858 -== 3.7 Buttons ==
865 +**AT+3V3T=1000**
859 859  
867 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
860 860  
861 -(% border="1" style="background-color:#f7faff; width:500px" %)
862 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
863 -|**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**
864 -|**RST**|(% style="width:1420px" %)Reboot RS485
865 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
866 866  
870 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
867 867  
868 -== 3.8 LEDs ==
869 869  
870 -(% border="1" style="background-color:#f7faff; width:500px" %)
871 -|=**LEDs**|=**Feature**
872 -|**PWR**|Always on if there is power
873 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
873 +1.
874 +11. +5V Output
874 874  
876 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
875 875  
876 -= 4. Case Study =
878 +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. 
877 877  
878 -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]]
879 879  
881 +The 5V output time can be controlled by AT Command.
880 880  
881 -= 5. Use AT Command =
883 +**AT+5VT=1000**
882 882  
883 -== 5.1 Access AT Command ==
885 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
884 884  
885 -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.
886 886  
887 -[[image:1654162355560-817.png]]
888 +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.
888 888  
889 889  
890 -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:
891 891  
892 -[[image:1654162368066-342.png]]
893 893  
893 +1.
894 +11. LEDs
894 894  
895 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
896 +|**LEDs**|**Feature**
897 +|**LED1**|Blink when device transmit a packet.
896 896  
899 +1.
900 +11. Switch Jumper
897 897  
898 -== 5.2 Common AT Command Sequence ==
902 +|**Switch Jumper**|**Feature**
903 +|**SW1**|(((
904 +ISP position: Upgrade firmware via UART
899 899  
900 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
901 -
902 -If device has not joined network yet:
903 -
904 -(% class="box infomessage" %)
905 -(((
906 -**AT+FDR**
906 +Flash position: Configure device, check running status.
907 907  )))
908 +|**SW2**|(((
909 +5V position: set to compatible with 5v I/O.
908 908  
909 -(% class="box infomessage" %)
910 -(((
911 -**AT+NJM=0**
911 +3.3v position: set to compatible with 3.3v I/O.,
912 912  )))
913 913  
914 -(% class="box infomessage" %)
915 -(((
916 -**ATZ**
917 -)))
914 ++3.3V: is always ON
918 918  
916 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
919 919  
920 -If device already joined network:
918 +1. Case Study
921 921  
922 -(% class="box infomessage" %)
923 -(((
924 -**AT+NJM=0**
925 -)))
920 +User can check this URL for some case studies.
926 926  
927 -(% class="box infomessage" %)
928 -(((
929 -**ATZ**
930 -)))
922 +[[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]]
931 931  
932 932  
933 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
934 934  
935 935  
936 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
927 +1. Use AT Command
928 +11. Access AT Command
937 937  
938 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
930 +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.
939 939  
940 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
932 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
941 941  
942 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
943 943  
944 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
935 +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:
945 945  
946 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
937 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
947 947  
948 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
949 949  
950 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
951 951  
952 -(% 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.
941 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
953 953  
954 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
955 955  
956 956  
957 -(% style="color:red" %)**Note:**
945 +1.
946 +11. Common AT Command Sequence
947 +111. Multi-channel ABP mode (Use with SX1301/LG308)
958 958  
959 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
960 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
961 -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.
962 -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
949 +If device has not joined network yet:
963 963  
964 -[[image:1654162478620-421.png]]
951 +AT+FDR
965 965  
953 +AT+NJM=0
966 966  
967 -= 6. FAQ =
955 +ATZ
968 968  
969 -== 6.1 How to upgrade the image? ==
970 970  
971 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
958 +If device already joined network:
972 972  
973 -* Support new features
974 -* For bug fix
975 -* Change LoRaWAN bands.
960 +AT+NJM=0
976 976  
977 -Below shows the hardware connection for how to upload an image to RS485-LN:
962 +ATZ
978 978  
979 -[[image:1654162535040-878.png]]
964 +1.
965 +11.
966 +111. Single-channel ABP mode (Use with LG01/LG02)
980 980  
981 -**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]].
968 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
982 982  
983 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
970 +AT+NJM=0 Set to ABP mode
984 984  
985 -**Step3: **Open flashloader; choose the correct COM port to update.
972 +AT+ADR=0 Set the Adaptive Data Rate Off
986 986  
987 -(% 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.
974 +AT+DR=5  Set Data Rate
988 988  
976 +AT+TDC=60000  Set transmit interval to 60 seconds
989 989  
990 -[[image:image-20220602175818-12.png]]
978 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
991 991  
980 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
992 992  
993 -[[image:image-20220602175848-13.png]]
982 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
994 994  
984 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
995 995  
996 -[[image:image-20220602175912-14.png]]
986 +ATZ          Reset MCU
997 997  
988 +**Note:**
998 998  
999 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
990 +1. Make sure the device is set to ABP mode in the IoT Server.
991 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
992 +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.
993 +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
1000 1000  
1001 -[[image:image-20220602175638-10.png]]
995 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1002 1002  
1003 1003  
1004 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
998 +1. FAQ
999 +11. How to upgrade the image?
1005 1005  
1006 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1001 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1007 1007  
1003 +* Support new features
1004 +* For bug fix
1005 +* Change LoRaWAN bands.
1008 1008  
1009 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1007 +Below shows the hardware connection for how to upload an image to RS485-BL:
1010 1010  
1011 -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"]].
1009 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1012 1012  
1011 +**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]].
1013 1013  
1014 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1013 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1015 1015  
1016 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1015 +**Step3: **Open flashloader; choose the correct COM port to update.
1017 1017  
1018 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1019 1019  
1018 +|(((
1019 +HOLD PRO then press the RST button, SYS will be ON, then click next
1020 +)))
1020 1020  
1021 -= 7. Trouble Shooting =
1022 +|(((
1023 +Board detected
1024 +)))
1022 1022  
1023 -== 7.1 Downlink doesn’t work, how to solve it? ==
1026 +|(((
1027 +
1028 +)))
1024 1024  
1025 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1030 +[[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]]
1026 1026  
1027 1027  
1028 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1029 1029  
1030 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1034 +[[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]]
1031 1031  
1032 1032  
1033 -= 8. Order Info =
1037 +[[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]]
1034 1034  
1035 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1036 1036  
1037 -(% style="color:blue" %)**XXX:**
1040 +1.
1041 +11. How to change the LoRa Frequency Bands/Region?
1038 1038  
1039 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1040 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1041 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1042 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1043 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1044 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1045 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1046 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1047 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1048 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1043 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1049 1049  
1050 1050  
1051 -= 9.Packing Info =
1052 1052  
1047 +1.
1048 +11. How many RS485-Slave can RS485-BL connects?
1053 1053  
1054 -**Package Includes**:
1050 +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]].
1055 1055  
1056 -* RS485-LN x 1
1057 -* Stick Antenna for LoRa RF part x 1
1058 -* Program cable x 1
1059 1059  
1060 -**Dimension and weight**:
1061 1061  
1062 -* Device Size: 13.5 x 7 x 3 cm
1063 -* Device Weight: 105g
1064 -* Package Size / pcs : 14.5 x 8 x 5 cm
1065 -* Weight / pcs : 170g
1066 1066  
1055 +1. Trouble Shooting     
1056 +11. Downlink doesn’t work, how to solve it?
1067 1067  
1068 -= 10. FCC Caution for RS485LN-US915 =
1058 +Please see this link for debug:
1069 1069  
1070 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1060 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1071 1071  
1072 -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.
1073 1073  
1074 1074  
1075 -**IMPORTANT NOTE:**
1064 +1.
1065 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1076 1076  
1077 -**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:
1067 +It might about the channels mapping. Please see for detail.
1078 1078  
1079 -—Reorient or relocate the receiving antenna.
1069 +[[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 1080  
1081 -—Increase the separation between the equipment and receiver.
1082 1082  
1083 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1084 1084  
1085 -—Consult the dealer or an experienced radio/TV technician for help.
1073 +1. Order Info
1086 1086  
1075 +**Part Number: RS485-BL-XXX**
1087 1087  
1088 -**FCC Radiation Exposure Statement:**
1077 +**XXX:**
1089 1089  
1090 -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.
1079 +* **EU433**: frequency bands EU433
1080 +* **EU868**: frequency bands EU868
1081 +* **KR920**: frequency bands KR920
1082 +* **CN470**: frequency bands CN470
1083 +* **AS923**: frequency bands AS923
1084 +* **AU915**: frequency bands AU915
1085 +* **US915**: frequency bands US915
1086 +* **IN865**: frequency bands IN865
1087 +* **RU864**: frequency bands RU864
1088 +* **KZ865: **frequency bands KZ865
1091 1091  
1090 +1. Packing Info
1092 1092  
1093 -= 11. Support =
1092 +**Package Includes**:
1094 1094  
1094 +* RS485-BL x 1
1095 +* Stick Antenna for LoRa RF part x 1
1096 +* Program cable x 1
1097 +
1098 +**Dimension and weight**:
1099 +
1100 +* Device Size: 13.5 x 7 x 3 cm
1101 +* Device Weight: 105g
1102 +* Package Size / pcs : 14.5 x 8 x 5 cm
1103 +* Weight / pcs : 170g
1104 +
1105 +1. Support
1106 +
1095 1095  * 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.
1096 -* 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]].
1108 +* 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
1109 +
1110 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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