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<
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on 2022/06/06 11:41
To version < 39.1 >
edited by Xiaoling
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Summary

Details

Page properties
Content
... ... @@ -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  
... ... @@ -121,13 +121,9 @@
121 121  
122 122  (((
123 123  (((
124 -(((
125 125  v1.2: Add External Interrupt Pin.
126 -)))
127 127  
128 -(((
129 129  v1.0: Release
130 -)))
131 131  
132 132  
133 133  )))
... ... @@ -155,9 +155,7 @@
155 155  == 3.1 How it works? ==
156 156  
157 157  (((
158 -(((
159 159  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
160 -)))
161 161  
162 162  
163 163  )))
... ... @@ -181,7 +181,7 @@
181 181  [[image:1653268227651-549.png||height="592" width="720"]]
182 182  
183 183  (((
184 -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:
185 185  )))
186 186  
187 187  (((
... ... @@ -233,7 +233,7 @@
233 233  
234 234  (((
235 235  (((
236 -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.
237 237  )))
238 238  
239 239  (((
... ... @@ -247,19 +247,19 @@
247 247  
248 248  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
249 249  
250 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
251 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
252 252  **AT Commands**
253 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
254 254  **Description**
255 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
256 256  **Example**
257 257  )))
258 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
259 259  AT+BAUDR
260 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
261 261  Set the baud rate (for RS485 connection). Default Value is: 9600.
262 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
263 263  (((
264 264  AT+BAUDR=9600
265 265  )))
... ... @@ -268,11 +268,11 @@
268 268  Options: (1200,2400,4800,14400,19200,115200)
269 269  )))
270 270  )))
271 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
272 272  AT+PARITY
273 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
274 274  Set UART parity (for RS485 connection)
275 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
276 276  (((
277 277  AT+PARITY=0
278 278  )))
... ... @@ -281,9 +281,9 @@
281 281  Option: 0: no parity, 1: odd parity, 2: even parity
282 282  )))
283 283  )))
284 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
285 285  AT+STOPBIT
286 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
287 287  (((
288 288  Set serial stopbit (for RS485 connection)
289 289  )))
... ... @@ -291,7 +291,7 @@
291 291  (((
292 292  
293 293  )))
294 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
295 295  (((
296 296  AT+STOPBIT=0 for 1bit
297 297  )))
... ... @@ -313,15 +313,15 @@
313 313  )))
314 314  )))
315 315  
316 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
317 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
318 -|AT+CFGDEV|(% style="width:110px" %)(((
294 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296 +|AT+CFGDEV|(% style="width:418px" %)(((
319 319  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
320 320  
321 321  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
322 322  
323 323  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
324 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
302 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
325 325  
326 326  === 3.3.3 Configure read commands for each sampling ===
327 327  
... ... @@ -368,8 +368,8 @@
368 368  
369 369  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
370 370  
371 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
372 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
373 373  **AT+DATACUTx=a,b,c**
374 374  
375 375  * **a: length for the return of AT+COMMAND**
... ... @@ -438,7 +438,6 @@
438 438  
439 439  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
440 440  
441 -
442 442  1. PAYVER: Defined by AT+PAYVER
443 443  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
444 444  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -495,33 +495,33 @@
495 495  
496 496  == 3.4 Uplink Payload ==
497 497  
475 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
476 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
477 +|Value|(% style="width:120px" %)(((
478 +Battery(mV)
498 498  
499 -[[image:image-20220606110929-1.png]]
480 +&
500 500  
482 +Interrupt _Flag
483 +)))|(% style="width:116px" %)(((
484 +PAYLOAD_VER
485 +
486 +
487 +)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
488 +
501 501  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
502 502  
503 503  
504 504  == 3.5 Configure RS485-BL via AT or Downlink ==
505 505  
506 -(((
507 507  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
508 -)))
509 509  
510 -(((
511 511  There are two kinds of Commands:
512 -)))
513 513  
514 -* (((
515 -(% 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]]
516 -)))
498 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
517 517  
518 -* (((
519 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
520 -)))
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
521 521  
522 -(((
523 -
524 -)))
525 525  
526 526  
527 527  === 3.5.1 Common Commands ===
... ... @@ -529,781 +529,472 @@
529 529  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]]
530 530  
531 531  
532 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
533 533  
534 -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.
511 +==== Choose Device Type (RS485 or TTL) ====
535 535  
536 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
513 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
537 537  
538 -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)
515 +* AT Command
539 539  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
540 540  
541 -=== 3.5.3 Sensor related commands ===
519 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
542 542  
543 543  
522 +* Downlink Payload
544 544  
524 +**0A aa**     à same as AT+MOD=aa
545 545  
546 -==== **RS485 Debug Command** ====
547 547  
548 -(((
549 -This command is used to configure the RS485 devices; they won’t be used during sampling.
550 -)))
551 551  
552 -* (((
553 -**AT Command**
554 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
555 555  
556 -(% class="box infomessage" %)
557 -(((
558 -(((
559 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
560 -)))
561 -)))
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
562 562  
563 -(((
564 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
565 -)))
532 +* AT Command
566 566  
567 -* (((
568 -**Downlink Payload**
569 -)))
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
570 570  
571 -(((
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 +
538 +
539 +
540 +* Downlink Payload
541 +
572 572  Format: A8 MM NN XX XX XX XX YY
573 -)))
574 574  
575 -(((
576 576  Where:
577 -)))
578 578  
579 -* (((
580 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
581 -)))
582 -* (((
583 -NN: The length of RS485 command
584 -)))
585 -* (((
586 -XX XX XX XX: RS485 command total NN bytes
587 -)))
588 -* (((
589 -(((
590 -YY: How many bytes will be uplink from the return of this RS485 command,
591 -)))
546 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
547 +* NN: The length of RS485 command
548 +* XX XX XX XX: RS485 command total NN bytes
549 +* 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
592 592  
593 -* (((
594 -if YY=0, RS485-LN will execute the downlink command without uplink;
595 -)))
596 -* (((
597 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
598 -)))
599 -* (((
600 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
601 -)))
602 -)))
551 +**Example 1:**
603 603  
604 -(((
605 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
606 -)))
607 -
608 -(((
609 609  To connect a Modbus Alarm with below commands.
610 -)))
611 611  
612 -* (((
613 -The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
614 -)))
555 +* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
615 615  
616 -* (((
617 -The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
618 -)))
557 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
619 619  
620 -(((
621 621  So if user want to use downlink command to control to RS485 Alarm, he can use:
622 -)))
623 623  
624 -(((
625 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
626 -)))
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
627 627  
628 -(((
629 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
630 -)))
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
631 631  
632 -(((
633 633  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.
634 -)))
635 635  
636 -(((
637 -
638 -)))
639 639  
640 -(((
641 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
642 -)))
568 +**Example 2:**
643 643  
644 -(((
645 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
646 -)))
570 +Check TTL Sensor return:
647 647  
648 -(((
649 -
650 -)))
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
651 651  
652 -(((
653 -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:
654 -)))
655 655  
656 -(((
657 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
658 -)))
659 659  
660 -(((
661 - [[image:1654159460680-153.png]]
662 -)))
663 663  
577 +==== Set Payload version ====
664 664  
665 -
666 -
667 -==== **Set Payload version** ====
668 -
669 -(((
670 670  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.
671 -)))
672 672  
673 -* (((
674 -**AT Command:**
675 -)))
581 +* AT Command:
676 676  
677 -(% class="box infomessage" %)
678 -(((
679 -(((
680 -**AT+PAYVER: Set PAYVER field = 1**
681 -)))
682 -)))
583 +AT+PAYVER: Set PAYVER field = 1
683 683  
684 -* (((
685 -**Downlink Payload:**
686 -)))
687 687  
688 -(((
689 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
690 -)))
586 +* Downlink Payload:
691 691  
692 -(((
693 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
694 -)))
588 +0xAE 01   à Set PAYVER field =  0x01
695 695  
590 +0xAE 0F   à Set PAYVER field =  0x0F
696 696  
697 697  
593 +==== Set RS485 Sampling Commands ====
698 698  
699 -==== **Set RS485 Sampling Commands** ====
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
700 700  
701 -(((
702 -AT+COMMANDx or AT+DATACUTx
703 -)))
597 +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]].
704 704  
705 -(((
706 -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"]].
707 -)))
708 708  
709 -(((
710 -
711 -)))
600 +* AT Command:
712 712  
713 -* (((
714 -**AT Command:**
715 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
716 716  
717 -(% class="box infomessage" %)
718 -(((
719 -(((
720 -**AT+COMMANDx: Configure RS485 read command to sensor.**
721 -)))
722 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
723 723  
724 -(% class="box infomessage" %)
725 -(((
726 -(((
727 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
728 -)))
729 -)))
606 +AT+SEARCHx: Configure search command
730 730  
731 -(((
732 -
733 -)))
734 734  
735 -* (((
736 -**Downlink Payload:**
737 -)))
609 +* Downlink Payload:
738 738  
739 -(((
740 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
741 -)))
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
742 742  
743 -(((
744 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
745 -)))
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
746 746  
747 -(((
748 748  Format: AF MM NN LL XX XX XX XX YY
749 -)))
750 750  
751 -(((
752 752  Where:
753 -)))
754 754  
755 -* (((
756 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
757 -)))
758 -* (((
759 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
760 -)))
761 -* (((
762 -LL:  The length of AT+COMMAND or AT+DATACUT command
763 -)))
764 -* (((
765 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
766 -)))
767 -* (((
768 -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.
769 -)))
619 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
620 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
621 +* LL: The length of AT+COMMAND or AT+DATACUT command
622 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
623 +* 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.
770 770  
771 -(((
772 -**Example:**
773 -)))
625 +Example:
774 774  
775 -(((
776 -(% 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
777 -)))
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
778 778  
779 -(((
780 -(% 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**
781 -)))
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
782 782  
783 -(((
784 -(% 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**
785 -)))
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
786 786  
787 787  
634 +0xAB downlink command can be used for set AT+SEARCHx
788 788  
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
789 789  
790 -==== **Fast command to handle MODBUS device** ====
638 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
639 +* 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
791 791  
792 -(((
793 -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]].
794 -)))
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
795 795  
796 -(((
797 -This command is valid since v1.3 firmware version
798 -)))
799 799  
800 -(((
801 -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.
802 -)))
644 +==== Fast command to handle MODBUS device ====
803 803  
804 -(((
805 -
806 -)))
646 +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]].
807 807  
808 -(((
809 -**Example:**
810 -)))
648 +This command is valid since v1.3 firmware version
811 811  
812 -* (((
813 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
814 -)))
815 -* (((
816 -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.
817 -)))
818 -* (((
819 -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.
820 -)))
821 821  
822 -[[image:image-20220602165351-6.png]]
651 +AT+MBFUN has only two value:
823 823  
824 -[[image:image-20220602165351-7.png]]
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
825 825  
655 +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.
826 826  
657 +* AT+MBFUN=0: Disable Modbus fast reading.
827 827  
659 +Example:
828 828  
829 -==== **RS485 command timeout** ====
661 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
662 +* 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.
663 +* 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.
830 830  
831 -(((
832 -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.
833 -)))
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
834 834  
835 -(((
836 -Default value: 0, range:  0 ~~ 65 seconds
837 -)))
838 838  
839 -* (((
840 -**AT Command:**
841 -)))
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
842 842  
843 -(% class="box infomessage" %)
844 -(((
845 -(((
846 -**AT+CMDDLaa=hex(bb cc)*1000**
847 -)))
848 -)))
849 849  
850 -(((
851 -**Example:**
852 -)))
671 +* Downlink Commands:
853 853  
854 -(((
855 -**AT+CMDDL1=1000** to send the open time to 1000ms
856 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
857 857  
858 -(((
859 -
860 -)))
861 861  
862 -* (((
863 -**Downlink Payload:**
864 -)))
676 +==== RS485 command timeout ====
865 865  
866 -(((
867 -**0x AA aa bb cc**
868 -)))
678 +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.
869 869  
870 -(((
871 -Same as: AT+CMDDLaa=hex(bb cc)*1000
872 -)))
680 +Default value: 0, range:  0 ~~ 5 seconds
873 873  
874 -(((
875 - **Example:**
876 -)))
877 877  
878 -(((
879 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
880 -)))
683 +* AT Command:
881 881  
685 +AT+CMDDLaa=hex(bb cc)
882 882  
687 +Example:
883 883  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
884 884  
885 -==== **Uplink payload mode** ====
886 886  
887 -(((
888 -Define to use one uplink or multiple uplinks for the sampling.
889 -)))
692 +* Downlink Payload:
890 890  
891 -(((
892 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
893 -)))
694 +0x AA aa bb cc
894 894  
895 -* (((
896 -**AT Command:**
897 -)))
696 +Same as: AT+CMDDLaa=hex(bb cc)
898 898  
899 -(% class="box infomessage" %)
900 -(((
901 -(((
902 -**AT+DATAUP=0**
903 -)))
904 -)))
698 + Example:
905 905  
906 -(% class="box infomessage" %)
907 -(((
908 -(((
909 -**AT+DATAUP=1**
910 -)))
911 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
912 912  
913 -(((
914 -
915 -)))
916 916  
917 -* (((
918 -**Downlink Payload:**
919 -)))
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
920 920  
921 -(((
922 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
923 -)))
705 +Define to use one uplink or multiple uplinks for the sampling.
924 924  
925 -(((
926 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
927 -)))
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
928 928  
709 +* AT Command:
929 929  
711 +AT+DATAUP=0
930 930  
713 +AT+DATAUP=1
931 931  
932 -==== **Manually trigger an Uplink** ====
933 933  
934 -(((
935 -Ask device to send an uplink immediately.
936 -)))
716 +* Downlink Payload:
937 937  
938 -* (((
939 -**AT Command:**
940 -)))
718 +0xAD 00   à Same as AT+DATAUP=0
941 941  
942 -(((
943 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
944 -)))
720 +0xAD 01   à Same as AT+DATAUP=1
945 945  
946 -(((
947 -
948 -)))
949 949  
950 -* (((
951 -**Downlink Payload:**
952 -)))
723 +==== Manually trigger an Uplink ====
953 953  
954 -(((
955 -**0x08 FF**, RS485-LN will immediately send an uplink.
956 -)))
725 +Ask device to send an uplink immediately.
957 957  
727 +* Downlink Payload:
958 958  
729 +0x08 FF, RS485-BL will immediately send an uplink.
959 959  
960 960  
961 -==== **Clear RS485 Command** ====
732 +==== Clear RS485 Command ====
962 962  
963 -(((
964 964  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
965 -)))
966 966  
967 -* (((
968 -**AT Command:**
969 -)))
970 970  
971 -(((
737 +* AT Command:
738 +
972 972  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
973 -)))
974 974  
975 -(((
976 976  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 -)))
978 978  
979 -(((
980 980  Example screen shot after clear all RS485 commands. 
981 -)))
982 982  
983 -(((
984 -
985 -)))
986 986  
987 -(((
746 +
988 988  The uplink screen shot is:
989 -)))
990 990  
991 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
992 992  
993 993  
994 -* (((
995 -**Downlink Payload:**
996 -)))
752 +* Downlink Payload:
997 997  
998 -(((
999 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 -)))
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
1001 1001  
1002 1002  
757 +==== Set Serial Communication Parameters ====
1003 1003  
1004 -
1005 -==== **Set Serial Communication Parameters** ====
1006 -
1007 -(((
1008 1008  Set the Rs485 serial communication parameters:
1009 -)))
1010 1010  
1011 -* (((
1012 -**AT Command:**
1013 -)))
761 +* AT Command:
1014 1014  
1015 -(((
1016 1016  Set Baud Rate:
1017 -)))
1018 1018  
1019 -(% class="box infomessage" %)
1020 -(((
1021 -(((
1022 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1023 -)))
1024 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1025 1025  
1026 -(((
1027 -Set UART Parity
1028 -)))
1029 1029  
1030 -(% class="box infomessage" %)
1031 -(((
1032 -(((
1033 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1034 -)))
1035 -)))
768 +Set UART parity
1036 1036  
1037 -(((
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
1038 1038  Set STOPBIT
1039 -)))
1040 1040  
1041 -(% class="box infomessage" %)
1042 -(((
1043 -(((
1044 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1045 -)))
1046 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1047 1047  
1048 -(((
1049 -
1050 -)))
1051 1051  
1052 -* (((
1053 -**Downlink Payload:**
1054 -)))
778 +* Downlink Payload:
1055 1055  
1056 -(((
1057 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 -)))
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1059 1059  
1060 -(((
1061 -**Example:**
1062 -)))
782 +Example:
1063 1063  
1064 -* (((
1065 -A7 01 00 60   same as AT+BAUDR=9600
1066 -)))
1067 -* (((
1068 -A7 01 04 80  same as AT+BAUDR=115200
1069 -)))
784 +* A7 01 00 60   same as AT+BAUDR=9600
785 +* A7 01 04 80  same as AT+BAUDR=115200
1070 1070  
1071 -(((
1072 1072  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 -)))
1074 1074  
1075 -(((
1076 1076  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 -)))
1078 1078  
1079 1079  
792 +==== Control output power duration ====
1080 1080  
794 +User can set the output power duration before each sampling.
1081 1081  
1082 -== 3.6 Listening mode for RS485 network ==
796 +* AT Command:
1083 1083  
1084 -(((
1085 -This feature support since firmware v1.4
1086 -)))
798 +Example:
1087 1087  
1088 -(((
1089 -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.
1090 -)))
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1091 1091  
1092 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1093 1093  
1094 -(((
1095 -To enable the listening mode, use can run the command AT+RXMODE.
1096 -)))
1097 1097  
1098 -(((
1099 -
1100 -)))
805 +* LoRaWAN Downlink Command:
1101 1101  
1102 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1103 -|=(% style="width: 161px;" %)(((
1104 -**Command example:**
1105 -)))|=(% style="width: 337px;" %)(((
1106 -**Function**
1107 -)))
1108 -|(% style="width:161px" %)(((
1109 -AT+RXMODE=1,10
1110 -)))|(% style="width:337px" %)(((
1111 -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.
1112 -)))
1113 -|(% style="width:161px" %)(((
1114 -AT+RXMODE=2,500
1115 -)))|(% style="width:337px" %)(((
1116 -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
1117 -)))
1118 -|(% style="width:161px" %)(((
1119 -AT+RXMODE=0,0
1120 -)))|(% style="width:337px" %)(((
1121 -Disable listening mode. This is the default settings.
1122 -)))
1123 -|(% style="width:161px" %)(((
1124 -
1125 -)))|(% style="width:337px" %)(((
1126 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1127 -)))
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
1128 1128  
1129 -(((
1130 -**Downlink Command:**
1131 -)))
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1132 1132  
1133 -(((
1134 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 -)))
1136 1136  
1137 -(((
1138 -
1139 -)))
1140 1140  
1141 -(((
1142 -**Example**:
1143 -)))
1144 1144  
1145 -(((
1146 -The RS485-LN is set to AT+RXMODE=2,1000
1147 -)))
814 +1.
815 +11. Buttons
1148 1148  
1149 -(((
1150 -There is a two Modbus commands in the RS485 network as below:
1151 -)))
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
1152 1152  
1153 -(((
1154 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 -)))
820 +1.
821 +11. +3V3 Output
1156 1156  
1157 -(((
1158 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 -)))
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1160 1160  
1161 -(((
1162 -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
1163 -)))
825 +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. 
1164 1164  
1165 -(((
1166 -[[image:image-20220602171200-9.png]]
1167 -)))
1168 1168  
1169 -(((
1170 -
1171 -)))
828 +The +3V3 output time can be controlled by AT Command.
1172 1172  
1173 -(((
1174 -(% 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.
1175 -)))
830 +**AT+3V3T=1000**
1176 1176  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1177 1177  
1178 -== 3.7 Buttons ==
1179 1179  
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1180 1180  
1181 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1182 -|=(% style="width: 30px;" %)**Button**|=(% style="width: 355px;" %)**Feature**
1183 -|=(% style="width: 30px;" %)**ACT**|(% style="width:355px" %)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**
1184 -|=(% style="width: 30px;" %)**RST**|(% style="width:355px" %)Reboot RS485
1185 -|=(% style="width: 30px;" %)**PRO**|(% style="width:355px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1186 1186  
838 +1.
839 +11. +5V Output
1187 1187  
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1188 1188  
1189 -== 3.8 LEDs ==
843 +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. 
1190 1190  
1191 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
1192 -|=(% style="width: 30px;" %)**LEDs**|=(% style="width: 400px;" %)**Feature**
1193 -|(% style="width:30px" %)**PWR**|=(% style="width: 400px;" %)Always on if there is power
1194 -|(% style="width:30px" %)**SYS**|=(% style="width: 400px;" %)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.
1195 1195  
1196 -= 4. Case Study =
846 +The 5V output time can be controlled by AT Command.
1197 1197  
1198 -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]]
848 +**AT+5VT=1000**
1199 1199  
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1200 1200  
1201 -= 5. Use AT Command =
1202 1202  
1203 -== 5.1 Access AT Command ==
853 +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.
1204 1204  
1205 -(((
1206 -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.
1207 -)))
1208 1208  
1209 -[[image:1654162355560-817.png]]
1210 1210  
1211 1211  
1212 -(((
1213 -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:
1214 -)))
858 +1.
859 +11. LEDs
1215 1215  
1216 -[[image:1654162368066-342.png]]
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
1217 1217  
864 +1.
865 +11. Switch Jumper
1218 1218  
1219 -(((
1220 -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/]]
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
870 +
871 +Flash position: Configure device, check running status.
1221 1221  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
1222 1222  
876 +3.3v position: set to compatible with 3.3v I/O.,
877 +)))
1223 1223  
879 ++3.3V: is always ON
1224 1224  
1225 -== 5.2 Common AT Command Sequence ==
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1226 1226  
1227 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
883 +1. Case Study
1228 1228  
1229 -If device has not joined network yet:
885 +User can check this URL for some case studies.
1230 1230  
1231 -(% class="box infomessage" %)
1232 -(((
1233 -**AT+FDR**
1234 -)))
887 +[[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]]
1235 1235  
1236 -(% class="box infomessage" %)
1237 -(((
1238 -**AT+NJM=0**
1239 -)))
1240 1240  
1241 -(% class="box infomessage" %)
1242 -(((
1243 -**ATZ**
1244 -)))
1245 1245  
1246 1246  
1247 -If device already joined network:
892 +1. Use AT Command
893 +11. Access AT Command
1248 1248  
1249 -(% class="box infomessage" %)
1250 -(((
1251 -**AT+NJM=0**
1252 -)))
895 +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.
1253 1253  
1254 -(% class="box infomessage" %)
1255 -(((
1256 -**ATZ**
1257 -)))
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1258 1258  
1259 1259  
1260 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
900 +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:
1261 1261  
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1262 1262  
1263 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1264 1264  
1265 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1266 1266  
1267 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
906 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1268 1268  
1269 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1270 1270  
1271 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1272 1272  
1273 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1274 1274  
1275 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
914 +If device has not joined network yet:
1276 1276  
1277 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
916 +AT+FDR
1278 1278  
1279 -(% 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.
918 +AT+NJM=0
1280 1280  
1281 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
920 +ATZ
1282 1282  
1283 1283  
1284 -(% style="color:red" %)**Note:**
923 +If device already joined network:
1285 1285  
1286 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1287 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1288 -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.
1289 -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
925 +AT+NJM=0
1290 1290  
1291 -[[image:1654162478620-421.png]]
927 +ATZ
1292 1292  
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
1293 1293  
1294 -= 6. FAQ =
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1295 1295  
1296 -== 6.1 How to upgrade the image? ==
935 +AT+NJM=0 Set to ABP mode
1297 1297  
1298 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
937 +AT+ADR=0 Set the Adaptive Data Rate Off
1299 1299  
939 +AT+DR=5  Set Data Rate
940 +
941 +AT+TDC=60000  Set transmit interval to 60 seconds
942 +
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
944 +
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
946 +
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
948 +
949 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
950 +
951 +ATZ          Reset MCU
952 +
953 +**Note:**
954 +
955 +1. Make sure the device is set to ABP mode in the IoT Server.
956 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
957 +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.
958 +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
959 +
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
961 +
962 +
963 +1. FAQ
964 +11. How to upgrade the image?
965 +
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
967 +
1300 1300  * Support new features
1301 1301  * For bug fix
1302 1302  * Change LoRaWAN bands.
1303 1303  
1304 -Below shows the hardware connection for how to upload an image to RS485-LN:
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1305 1305  
1306 -[[image:1654162535040-878.png]]
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1307 1307  
1308 1308  **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]].
1309 1309  
... ... @@ -1311,77 +1311,84 @@
1311 1311  
1312 1312  **Step3: **Open flashloader; choose the correct COM port to update.
1313 1313  
1314 -(((
1315 -(% 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.
982 +
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
1316 1316  )))
1317 1317  
987 +|(((
988 +Board detected
989 +)))
1318 1318  
1319 -[[image:image-20220602175818-12.png]]
991 +|(((
992 +
993 +)))
1320 1320  
995 +[[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]]
1321 1321  
1322 -[[image:image-20220602175848-13.png]]
1323 1323  
1324 1324  
1325 -[[image:image-20220602175912-14.png]]
999 +[[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]]
1326 1326  
1327 1327  
1328 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1002 +[[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]]
1329 1329  
1330 -[[image:image-20220602175638-10.png]]
1331 1331  
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1332 1332  
1333 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1008 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1334 1334  
1335 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1336 1336  
1337 1337  
1338 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1339 1339  
1340 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1015 +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]].
1341 1341  
1342 1342  
1343 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1344 1344  
1345 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1346 1346  
1347 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1348 1348  
1023 +Please see this link for debug:
1349 1349  
1350 -= 7. Trouble Shooting =
1025 +[[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]] 
1351 1351  
1352 -== 7.1 Downlink doesn’t work, how to solve it? ==
1353 1353  
1354 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1355 1355  
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1356 1356  
1357 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1032 +It might about the channels mapping. Please see for detail.
1358 1358  
1359 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1034 +[[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]]
1360 1360  
1361 1361  
1362 -= 8. Order Info =
1363 1363  
1364 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1038 +1. Order Info
1365 1365  
1366 -(% style="color:blue" %)**XXX:**
1040 +**Part Number: RS485-BL-XXX**
1367 1367  
1368 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1369 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1370 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1371 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1372 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1373 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1374 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1375 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1376 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1377 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1042 +**XXX:**
1378 1378  
1379 -= 9.Packing Info =
1044 +* **EU433**: frequency bands EU433
1045 +* **EU868**: frequency bands EU868
1046 +* **KR920**: frequency bands KR920
1047 +* **CN470**: frequency bands CN470
1048 +* **AS923**: frequency bands AS923
1049 +* **AU915**: frequency bands AU915
1050 +* **US915**: frequency bands US915
1051 +* **IN865**: frequency bands IN865
1052 +* **RU864**: frequency bands RU864
1053 +* **KZ865: **frequency bands KZ865
1380 1380  
1055 +1. Packing Info
1381 1381  
1382 1382  **Package Includes**:
1383 1383  
1384 -* RS485-LN x 1
1059 +* RS485-BL x 1
1385 1385  * Stick Antenna for LoRa RF part x 1
1386 1386  * Program cable x 1
1387 1387  
... ... @@ -1392,62 +1392,9 @@
1392 1392  * Package Size / pcs : 14.5 x 8 x 5 cm
1393 1393  * Weight / pcs : 170g
1394 1394  
1395 -= 10. FCC Caution for RS485LN-US915 =
1070 +1. Support
1396 1396  
1397 -(((
1398 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1399 -)))
1072 +* 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.
1073 +* 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
1400 1400  
1401 -(((
1402 -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.
1403 -)))
1404 -
1405 -(((
1406 -
1407 -)))
1408 -
1409 -(((
1410 -**IMPORTANT NOTE:**
1411 -)))
1412 -
1413 -(((
1414 -**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:
1415 -)))
1416 -
1417 -(((
1418 -—Reorient or relocate the receiving antenna.
1419 -)))
1420 -
1421 -(((
1422 -—Increase the separation between the equipment and receiver.
1423 -)))
1424 -
1425 -(((
1426 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1427 -)))
1428 -
1429 -(((
1430 -—Consult the dealer or an experienced radio/TV technician for help.
1431 -)))
1432 -
1433 -(((
1434 -
1435 -)))
1436 -
1437 -(((
1438 -**FCC Radiation Exposure Statement:**
1439 -)))
1440 -
1441 -(((
1442 -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.
1443 -)))
1444 -
1445 -
1446 -= 11. Support =
1447 -
1448 -* (((
1449 -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.
1450 -)))
1451 -* (((
1452 -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]].
1453 -)))
1075 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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