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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 ==
... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 -)))
48 48  
49 -(((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -90,7 +90,7 @@
90 90  * Preamble detection.
91 91  * 127 dB Dynamic Range RSSI.
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
94 94  
95 95  == 1.3 Features ==
96 96  
... ... @@ -103,8 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 -
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -114,8 +114,6 @@
114 114  * Smart Cities
115 115  * Smart Factory
116 116  
117 -
118 -
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -179,7 +179,7 @@
179 179  [[image:1653268227651-549.png||height="592" width="720"]]
180 180  
181 181  (((
182 -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:
183 183  )))
184 184  
185 185  (((
... ... @@ -231,7 +231,7 @@
231 231  
232 232  (((
233 233  (((
234 -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.
235 235  )))
236 236  
237 237  (((
... ... @@ -436,7 +436,6 @@
436 436  
437 437  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
438 438  
439 -
440 440  1. PAYVER: Defined by AT+PAYVER
441 441  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
442 442  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -491,68 +491,110 @@
491 491  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.
492 492  
493 493  
494 -== 3.4 Uplink Payload ==
473 +1.
474 +11. Uplink Payload
495 495  
496 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
497 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
498 -|Value|(% style="width:120px" %)(((
476 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
477 +|Value|(((
499 499  Battery(mV)
500 500  
501 501  &
502 502  
503 503  Interrupt _Flag
504 -)))|(% style="width:116px" %)(((
483 +)))|(((
505 505  PAYLOAD_VER
506 506  
507 507  
508 -)))|(% 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.
509 509  
510 510  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
511 511  
512 512  
513 -== 3.5 Configure RS485-BL via AT or Downlink ==
492 +function Decoder(bytes, port) {
514 514  
515 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
494 +~/~/Payload Formats of RS485-BL Deceive
516 516  
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 +
517 517  There are two kinds of Commands:
518 518  
519 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
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
520 520  
521 -* (% 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:
522 522  
523 -=== 3.5.1 Common Commands ===
535 +1.
536 +11.
537 +111. Common Commands:
524 524  
525 -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]]
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]]
526 526  
527 527  
528 -=== 3.5.2 Sensor related commands ===
542 +1.
543 +11.
544 +111. Sensor related commands:
529 529  
530 -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.
546 +==== Choose Device Type (RS485 or TTL) ====
531 531  
532 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
548 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
533 533  
534 -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)
550 +* AT Command
535 535  
552 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
536 536  
537 -=== 3.5.3 Sensor related commands ===
554 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
538 538  
539 539  
557 +* Downlink Payload
540 540  
541 -==== **RS485 Debug Command** ====
559 +**0A aa**     à same as AT+MOD=aa
542 542  
543 -This command is used to configure the RS485 devices; they won’t be used during sampling.
544 544  
545 -* **AT Command**
546 546  
547 -(% class="box infomessage" %)
548 -(((
549 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
550 -)))
563 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
551 551  
552 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
565 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
553 553  
554 -* **Downlink Payload**
567 +* AT Command
555 555  
569 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
570 +
571 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
572 +
573 +
574 +
575 +* Downlink Payload
576 +
556 556  Format: A8 MM NN XX XX XX XX YY
557 557  
558 558  Where:
... ... @@ -560,12 +560,9 @@
560 560  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
561 561  * NN: The length of RS485 command
562 562  * XX XX XX XX: RS485 command total NN bytes
563 -* YY: How many bytes will be uplink from the return of this RS485 command,
564 -** if YY=0, RS485-LN will execute the downlink command without uplink;
565 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
566 -** 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
567 567  
568 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
586 +**Example 1:**
569 569  
570 570  To connect a Modbus Alarm with below commands.
571 571  
... ... @@ -575,190 +575,184 @@
575 575  
576 576  So if user want to use downlink command to control to RS485 Alarm, he can use:
577 577  
578 -(% 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
579 579  
580 -(% 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
581 581  
582 582  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.
583 583  
584 584  
585 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
603 +**Example 2:**
586 586  
587 -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:
588 588  
607 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
589 589  
590 -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:
591 591  
592 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
593 593  
594 - [[image:1654159460680-153.png]]
595 595  
612 +==== Set Payload version ====
596 596  
597 -
598 -==== **Set Payload version** ====
599 -
600 600  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.
601 601  
602 -* **AT Command:**
616 +* AT Command:
603 603  
604 -(% class="box infomessage" %)
605 -(((
606 -**AT+PAYVER: Set PAYVER field = 1**
607 -)))
618 +AT+PAYVER: Set PAYVER field = 1
608 608  
609 -* **Downlink Payload:**
610 610  
611 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
621 +* Downlink Payload:
612 612  
613 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
623 +0xAE 01   à Set PAYVER field =  0x01
614 614  
625 +0xAE 0F   à Set PAYVER field =  0x0F
615 615  
616 616  
617 -==== **Set RS485 Sampling Commands** ====
628 +==== Set RS485 Sampling Commands ====
618 618  
619 -AT+COMMANDx or AT+DATACUTx
630 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
620 620  
621 -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]].
622 622  
623 623  
624 -* **AT Command:**
635 +* AT Command:
625 625  
626 -(% class="box infomessage" %)
627 -(((
628 -**AT+COMMANDx: Configure RS485 read command to sensor.**
629 -)))
637 +AT+COMMANDx: Configure RS485 read command to sensor.
630 630  
631 -(% class="box infomessage" %)
632 -(((
633 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
634 -)))
639 +AT+DATACUTx: Configure how to handle return from RS485 devices.
635 635  
641 +AT+SEARCHx: Configure search command
636 636  
637 -* **Downlink Payload:**
638 638  
639 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
644 +* Downlink Payload:
640 640  
641 -(% 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.
642 642  
648 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
649 +
643 643  Format: AF MM NN LL XX XX XX XX YY
644 644  
645 645  Where:
646 646  
647 647  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
648 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
649 -* 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
650 650  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
651 -* 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.
652 652  
653 -**Example:**
660 +Example:
654 654  
655 -(% 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
656 656  
657 -(% 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**
658 658  
659 -(% 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**
660 660  
661 661  
669 +0xAB downlink command can be used for set AT+SEARCHx
662 662  
663 -==== **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
664 664  
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 +
665 665  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]].
666 666  
667 667  This command is valid since v1.3 firmware version
668 668  
669 -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.
670 670  
686 +AT+MBFUN has only two value:
671 671  
672 -**Example:**
688 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
673 673  
674 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
675 -* 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.
676 -* 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.
677 677  
678 -[[image:image-20220602165351-6.png]]
692 +* AT+MBFUN=0: Disable Modbus fast reading.
679 679  
680 -[[image:image-20220602165351-7.png]]
694 +Example:
681 681  
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.
682 682  
700 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
683 683  
684 -==== **RS485 command timeout** ====
685 685  
686 -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]]
687 687  
688 -Default value: 0, range:  0 ~~ 65 seconds
689 689  
690 -* **AT Command:**
706 +* Downlink Commands:
691 691  
692 -(% class="box infomessage" %)
693 -(((
694 -**AT+CMDDLaa=hex(bb cc)*1000**
695 -)))
708 +A9 aa -à Same as AT+MBFUN=aa
696 696  
697 -**Example:**
698 698  
699 -**AT+CMDDL1=1000** to send the open time to 1000ms
711 +==== RS485 command timeout ====
700 700  
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.
701 701  
702 -* **Downlink Payload:**
715 +Default value: 0, range:  0 ~~ 5 seconds
703 703  
704 -**0x AA aa bb cc**
705 705  
706 -Same as: AT+CMDDLaa=hex(bb cc)*1000
718 +* AT Command:
707 707  
708 - **Example:**
720 +AT+CMDDLaa=hex(bb cc)
709 709  
710 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
722 +Example:
711 711  
724 +**AT+CMDDL1=1000** to send the open time to 1000ms
712 712  
713 713  
714 -==== **Uplink payload mode** ====
727 +* Downlink Payload:
715 715  
716 -Define to use one uplink or multiple uplinks for the sampling.
729 +0x AA aa bb cc
717 717  
718 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
731 +Same as: AT+CMDDLaa=hex(bb cc)
719 719  
720 -* **AT Command:**
733 + Example:
721 721  
722 -(% class="box infomessage" %)
723 -(((
724 -**AT+DATAUP=0**
725 -)))
735 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
726 726  
727 -(% class="box infomessage" %)
728 -(((
729 -**AT+DATAUP=1**
730 -)))
731 731  
738 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
732 732  
733 -* **Downlink Payload:**
740 +Define to use one uplink or multiple uplinks for the sampling.
734 734  
735 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
742 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
736 736  
737 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
744 +* AT Command:
738 738  
746 +AT+DATAUP=0
739 739  
748 +AT+DATAUP=1
740 740  
741 -==== **Manually trigger an Uplink** ====
742 742  
743 -Ask device to send an uplink immediately.
751 +* Downlink Payload:
744 744  
745 -* **AT Command:**
753 +0xAD 00   à Same as AT+DATAUP=0
746 746  
747 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
755 +0xAD 01   à Same as AT+DATAUP=1
748 748  
749 749  
750 -* **Downlink Payload:**
758 +==== Manually trigger an Uplink ====
751 751  
752 -**0x08 FF**, RS485-LN will immediately send an uplink.
760 +Ask device to send an uplink immediately.
753 753  
762 +* Downlink Payload:
754 754  
764 +0x08 FF, RS485-BL will immediately send an uplink.
755 755  
756 -==== **Clear RS485 Command** ====
757 757  
767 +==== Clear RS485 Command ====
768 +
758 758  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
759 759  
760 -* **AT Command:**
761 761  
772 +* AT Command:
773 +
762 762  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
763 763  
764 764  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -766,50 +766,43 @@
766 766  Example screen shot after clear all RS485 commands. 
767 767  
768 768  
781 +
769 769  The uplink screen shot is:
770 770  
771 -[[image:1654160691922-496.png]]
784 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
772 772  
773 773  
774 -* **Downlink Payload:**
787 +* Downlink Payload:
775 775  
776 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
789 +0x09 aa bb same as AT+CMDEAR=aa,bb
777 777  
778 778  
792 +==== Set Serial Communication Parameters ====
779 779  
780 -==== **Set Serial Communication Parameters** ====
781 -
782 782  Set the Rs485 serial communication parameters:
783 783  
784 -* **AT Command:**
796 +* AT Command:
785 785  
786 786  Set Baud Rate:
787 787  
788 -(% class="box infomessage" %)
789 -(((
790 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
791 -)))
800 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
792 792  
793 -Set UART Parity
794 794  
795 -(% class="box infomessage" %)
796 -(((
797 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
798 -)))
803 +Set UART parity
799 799  
805 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
806 +
807 +
800 800  Set STOPBIT
801 801  
802 -(% class="box infomessage" %)
803 -(((
804 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
805 -)))
810 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
806 806  
807 807  
808 -* **Downlink Payload:**
813 +* Downlink Payload:
809 809  
810 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
815 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
811 811  
812 -**Example:**
817 +Example:
813 813  
814 814  * A7 01 00 60   same as AT+BAUDR=9600
815 815  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -819,317 +819,287 @@
819 819  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
820 820  
821 821  
822 -== 3.6 Listening mode for RS485 network ==
827 +==== Control output power duration ====
823 823  
824 -This feature support since firmware v1.4
829 +User can set the output power duration before each sampling.
825 825  
826 -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:
827 827  
828 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
833 +Example:
829 829  
830 -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.
831 831  
837 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
832 832  
833 -(% border="1" style="background-color:#ffffcc; width:500px" %)
834 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
835 -|(% 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.
836 -|(% 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
837 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
838 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
839 839  
840 -**Downlink Command:**
840 +* LoRaWAN Downlink Command:
841 841  
842 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
842 +07 01 aa bb  Same as AT+5VT=(aa bb)
843 843  
844 +07 02 aa bb  Same as AT+3V3T=(aa bb)
844 844  
845 -**Example**:
846 846  
847 -The RS485-LN is set to AT+RXMODE=2,1000
848 848  
849 -There is a two Modbus commands in the RS485 network as below:
850 850  
851 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
849 +1.
850 +11. Buttons
852 852  
853 -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
854 854  
855 -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
856 856  
857 -[[image:image-20220602171200-9.png]]
858 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
858 858  
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. 
859 859  
860 -(% 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.
861 861  
863 +The +3V3 output time can be controlled by AT Command.
862 862  
863 -== 3.7 Buttons ==
865 +**AT+3V3T=1000**
864 864  
867 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
865 865  
866 -(% border="1" style="background-color:#f7faff; width:500px" %)
867 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
868 -|**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**
869 -|**RST**|(% style="width:1420px" %)Reboot RS485
870 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
871 871  
870 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
872 872  
873 -== 3.8 LEDs ==
874 874  
875 -(% border="1" style="background-color:#f7faff; width:500px" %)
876 -|=**LEDs**|=**Feature**
877 -|**PWR**|Always on if there is power
878 -|**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
879 879  
876 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
880 880  
881 -= 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. 
882 882  
883 -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]]
884 884  
881 +The 5V output time can be controlled by AT Command.
885 885  
886 -= 5. Use AT Command =
883 +**AT+5VT=1000**
887 887  
888 -== 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.
889 889  
890 -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.
891 891  
892 -[[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.
893 893  
894 894  
895 -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:
896 896  
897 -[[image:1654162368066-342.png]]
898 898  
893 +1.
894 +11. LEDs
899 899  
900 -More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
896 +|**LEDs**|**Feature**
897 +|**LED1**|Blink when device transmit a packet.
901 901  
899 +1.
900 +11. Switch Jumper
902 902  
903 -== 5.2 Common AT Command Sequence ==
902 +|**Switch Jumper**|**Feature**
903 +|**SW1**|(((
904 +ISP position: Upgrade firmware via UART
904 904  
905 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
906 -
907 -If device has not joined network yet:
908 -
909 -(% class="box infomessage" %)
910 -(((
911 -**AT+FDR**
906 +Flash position: Configure device, check running status.
912 912  )))
908 +|**SW2**|(((
909 +5V position: set to compatible with 5v I/O.
913 913  
914 -(% class="box infomessage" %)
915 -(((
916 -**AT+NJM=0**
911 +3.3v position: set to compatible with 3.3v I/O.,
917 917  )))
918 918  
919 -(% class="box infomessage" %)
920 -(((
921 -**ATZ**
922 -)))
914 ++3.3V: is always ON
923 923  
916 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
924 924  
925 -If device already joined network:
918 +1. Case Study
926 926  
927 -(% class="box infomessage" %)
928 -(((
929 -**AT+NJM=0**
930 -)))
920 +User can check this URL for some case studies.
931 931  
932 -(% class="box infomessage" %)
933 -(((
934 -**ATZ**
935 -)))
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]]
936 936  
937 937  
938 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
939 939  
940 940  
941 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
927 +1. Use AT Command
928 +11. Access AT Command
942 942  
943 -(% 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.
944 944  
945 -(% 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]]
946 946  
947 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
948 948  
949 -(% 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:
950 950  
951 -(% 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]]
952 952  
953 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
954 954  
955 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
956 956  
957 -(% 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]]
958 958  
959 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
960 960  
961 961  
962 -(% style="color:red" %)**Note:**
945 +1.
946 +11. Common AT Command Sequence
947 +111. Multi-channel ABP mode (Use with SX1301/LG308)
963 963  
964 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
965 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
966 -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.
967 -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:
968 968  
969 -[[image:1654162478620-421.png]]
951 +AT+FDR
970 970  
953 +AT+NJM=0
971 971  
972 -= 6. FAQ =
955 +ATZ
973 973  
974 -== 6.1 How to upgrade the image? ==
975 975  
976 -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:
977 977  
978 -* Support new features
979 -* For bug fix
980 -* Change LoRaWAN bands.
960 +AT+NJM=0
981 981  
982 -Below shows the hardware connection for how to upload an image to RS485-LN:
962 +ATZ
983 983  
984 -[[image:1654162535040-878.png]]
964 +1.
965 +11.
966 +111. Single-channel ABP mode (Use with LG01/LG02)
985 985  
986 -**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
987 987  
988 -**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
989 989  
990 -**Step3: **Open flashloader; choose the correct COM port to update.
972 +AT+ADR=0 Set the Adaptive Data Rate Off
991 991  
992 -(((
993 -(% 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.
994 -)))
974 +AT+DR=5  Set Data Rate
995 995  
976 +AT+TDC=60000  Set transmit interval to 60 seconds
996 996  
997 -[[image:image-20220602175818-12.png]]
978 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
998 998  
980 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
999 999  
1000 -[[image:image-20220602175848-13.png]]
982 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1001 1001  
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.
1002 1002  
1003 -[[image:image-20220602175912-14.png]]
986 +ATZ          Reset MCU
1004 1004  
988 +**Note:**
1005 1005  
1006 -**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
1007 1007  
1008 -[[image:image-20220602175638-10.png]]
995 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1009 1009  
1010 1010  
1011 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
998 +1. FAQ
999 +11. How to upgrade the image?
1012 1012  
1013 -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:
1014 1014  
1003 +* Support new features
1004 +* For bug fix
1005 +* Change LoRaWAN bands.
1015 1015  
1016 -== 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:
1017 1017  
1018 -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]]
1019 1019  
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]].
1020 1020  
1021 -== 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/]].
1022 1022  
1023 -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.
1024 1024  
1025 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1026 1026  
1018 +|(((
1019 +HOLD PRO then press the RST button, SYS will be ON, then click next
1020 +)))
1027 1027  
1028 -= 7. Trouble Shooting =
1022 +|(((
1023 +Board detected
1024 +)))
1029 1029  
1030 -== 7.1 Downlink doesn’t work, how to solve it? ==
1026 +|(((
1027 +
1028 +)))
1031 1031  
1032 -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]]
1033 1033  
1034 1034  
1035 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1036 1036  
1037 -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]]
1038 1038  
1039 1039  
1040 -= 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]]
1041 1041  
1042 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1043 1043  
1044 -(% style="color:blue" %)**XXX:**
1040 +1.
1041 +11. How to change the LoRa Frequency Bands/Region?
1045 1045  
1046 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1047 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1048 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1049 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1050 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1051 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1052 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1053 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1054 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1055 -* (% 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.
1056 1056  
1057 1057  
1058 1058  
1059 -= 9.Packing Info =
1047 +1.
1048 +11. How many RS485-Slave can RS485-BL connects?
1060 1060  
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]].
1061 1061  
1062 -**Package Includes**:
1063 1063  
1064 -* RS485-LN x 1
1065 -* Stick Antenna for LoRa RF part x 1
1066 -* Program cable x 1
1067 1067  
1068 -**Dimension and weight**:
1069 1069  
1070 -* Device Size: 13.5 x 7 x 3 cm
1071 -* Device Weight: 105g
1072 -* Package Size / pcs : 14.5 x 8 x 5 cm
1073 -* Weight / pcs : 170g
1055 +1. Trouble Shooting     
1056 +11. Downlink doesn’t work, how to solve it?
1074 1074  
1058 +Please see this link for debug:
1075 1075  
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]] 
1076 1076  
1077 -= 10. FCC Caution for RS485LN-US915 =
1078 1078  
1079 -(((
1080 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1081 -)))
1082 1082  
1083 -(((
1084 -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.
1085 -)))
1064 +1.
1065 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1086 1086  
1087 -(((
1088 -
1089 -)))
1067 +It might about the channels mapping. Please see for detail.
1090 1090  
1091 -(((
1092 -**IMPORTANT NOTE:**
1093 -)))
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]]
1094 1094  
1095 -(((
1096 -**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:
1097 -)))
1098 1098  
1099 -(((
1100 -—Reorient or relocate the receiving antenna.
1101 -)))
1102 1102  
1103 -(((
1104 -—Increase the separation between the equipment and receiver.
1105 -)))
1073 +1. Order Info
1106 1106  
1107 -(((
1108 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1109 -)))
1075 +**Part Number: RS485-BL-XXX**
1110 1110  
1111 -(((
1112 -—Consult the dealer or an experienced radio/TV technician for help.
1113 -)))
1077 +**XXX:**
1114 1114  
1115 -(((
1116 -
1117 -)))
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
1118 1118  
1119 -(((
1120 -**FCC Radiation Exposure Statement:**
1121 -)))
1090 +1. Packing Info
1122 1122  
1123 -(((
1124 -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.
1125 -)))
1092 +**Package Includes**:
1126 1126  
1094 +* RS485-BL x 1
1095 +* Stick Antenna for LoRa RF part x 1
1096 +* Program cable x 1
1127 1127  
1128 -= 11. Support =
1098 +**Dimension and weight**:
1129 1129  
1130 -* (((
1131 -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.
1132 -)))
1133 -* (((
1134 -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]].
1135 -)))
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 +
1107 +* 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.
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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