Last modified by Xiaoling on 2025/04/23 15:56
<
From version < 58.15 >
edited by Xiaoling
on 2022/06/06 11:23
To version < 40.1 >
edited by Xiaoling
on 2022/06/02 16:33
>
Change comment: Uploaded new attachment "image-20220602163333-5.png", version {1}

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  
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -123,13 +123,9 @@
123 123  
124 124  (((
125 125  (((
126 -(((
127 127  v1.2: Add External Interrupt Pin.
128 -)))
129 129  
130 -(((
131 131  v1.0: Release
132 -)))
133 133  
134 134  
135 135  )))
... ... @@ -157,9 +157,7 @@
157 157  == 3.1 How it works? ==
158 158  
159 159  (((
160 -(((
161 161  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.
162 -)))
163 163  
164 164  
165 165  )))
... ... @@ -183,7 +183,7 @@
183 183  [[image:1653268227651-549.png||height="592" width="720"]]
184 184  
185 185  (((
186 -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:
187 187  )))
188 188  
189 189  (((
... ... @@ -235,7 +235,7 @@
235 235  
236 236  (((
237 237  (((
238 -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.
239 239  )))
240 240  
241 241  (((
... ... @@ -249,19 +249,19 @@
249 249  
250 250  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:
251 251  
252 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
254 254  **AT Commands**
255 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
256 256  **Description**
257 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
258 258  **Example**
259 259  )))
260 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
261 261  AT+BAUDR
262 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
263 263  Set the baud rate (for RS485 connection). Default Value is: 9600.
264 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
265 265  (((
266 266  AT+BAUDR=9600
267 267  )))
... ... @@ -270,11 +270,11 @@
270 270  Options: (1200,2400,4800,14400,19200,115200)
271 271  )))
272 272  )))
273 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
274 274  AT+PARITY
275 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
276 276  Set UART parity (for RS485 connection)
277 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
278 278  (((
279 279  AT+PARITY=0
280 280  )))
... ... @@ -283,9 +283,9 @@
283 283  Option: 0: no parity, 1: odd parity, 2: even parity
284 284  )))
285 285  )))
286 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
287 287  AT+STOPBIT
288 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
289 289  (((
290 290  Set serial stopbit (for RS485 connection)
291 291  )))
... ... @@ -293,7 +293,7 @@
293 293  (((
294 294  
295 295  )))
296 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
297 297  (((
298 298  AT+STOPBIT=0 for 1bit
299 299  )))
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -317,18 +317,16 @@
317 317  )))
318 318  )))
319 319  
320 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 -|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" %)(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
324 324  
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
326 326  
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 -)))|(% 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
329 329  
330 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -374,8 +374,8 @@
374 374  
375 375  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
376 376  
377 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
379 379  **AT+DATACUTx=a,b,c**
380 380  
381 381  * **a: length for the return of AT+COMMAND**
... ... @@ -444,7 +444,6 @@
444 444  
445 445  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
446 446  
447 -
448 448  1. PAYVER: Defined by AT+PAYVER
449 449  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
450 450  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -501,33 +501,33 @@
501 501  
502 502  == 3.4 Uplink Payload ==
503 503  
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)
504 504  
505 -[[image:image-20220606110929-1.png]]
480 +&
506 506  
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 +
507 507  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
508 508  
509 509  
510 510  == 3.5 Configure RS485-BL via AT or Downlink ==
511 511  
512 -(((
513 513  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 -)))
515 515  
516 -(((
517 517  There are two kinds of Commands:
518 -)))
519 519  
520 -* (((
521 -(% 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]]
522 -)))
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]]
523 523  
524 -* (((
525 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 -)))
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
527 527  
528 -(((
529 -
530 -)))
531 531  
532 532  
533 533  === 3.5.1 Common Commands ===
... ... @@ -535,428 +535,236 @@
535 535  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]]
536 536  
537 537  
538 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
539 539  
540 -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) ====
541 541  
542 -[[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.
543 543  
544 -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
545 545  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
546 546  
547 -=== 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.
548 548  
549 549  
522 +* Downlink Payload
550 550  
524 +**0A aa**     à same as AT+MOD=aa
551 551  
552 -==== **RS485 Debug Command** ====
553 553  
554 -(((
555 -This command is used to configure the RS485 devices; they won’t be used during sampling.
556 -)))
557 557  
558 -* (((
559 -**AT Command**
560 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
561 561  
562 -(% class="box infomessage" %)
563 -(((
564 -(((
565 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
566 -)))
567 -)))
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
568 568  
569 -(((
570 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 -)))
532 +* AT Command
572 572  
573 -* (((
574 -**Downlink Payload**
575 -)))
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
576 576  
577 -(((
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 +
538 +
539 +
540 +* Downlink Payload
541 +
578 578  Format: A8 MM NN XX XX XX XX YY
579 -)))
580 580  
581 -(((
582 582  Where:
583 -)))
584 584  
585 -* (((
586 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
587 -)))
588 -* (((
589 -NN: The length of RS485 command
590 -)))
591 -* (((
592 -XX XX XX XX: RS485 command total NN bytes
593 -)))
594 -* (((
595 -(((
596 -YY: How many bytes will be uplink from the return of this RS485 command,
597 -)))
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
598 598  
599 -* (((
600 -if YY=0, RS485-LN will execute the downlink command without uplink;
601 -)))
602 -* (((
603 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
604 -)))
605 -* (((
606 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
607 -)))
608 -)))
551 +**Example 1:**
609 609  
610 -(((
611 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 -)))
613 -
614 -(((
615 615  To connect a Modbus Alarm with below commands.
616 -)))
617 617  
618 -* (((
619 -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.
620 -)))
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.
621 621  
622 -* (((
623 -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.
624 -)))
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.
625 625  
626 -(((
627 627  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 -)))
629 629  
630 -(((
631 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 -)))
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
633 633  
634 -(((
635 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 -)))
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
637 637  
638 -(((
639 639  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.
640 -)))
641 641  
642 -(((
643 -
644 -)))
645 645  
646 -(((
647 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 -)))
568 +**Example 2:**
649 649  
650 -(((
651 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 -)))
570 +Check TTL Sensor return:
653 653  
654 -(((
655 -
656 -)))
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
657 657  
658 -(((
659 -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:
660 -)))
661 661  
662 -(((
663 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 -)))
665 665  
666 -(((
667 - [[image:1654159460680-153.png]]
668 -)))
669 669  
577 +==== Set Payload version ====
670 670  
671 -
672 -
673 -==== **Set Payload version** ====
674 -
675 -(((
676 676  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.
677 -)))
678 678  
679 -* (((
680 -**AT Command:**
681 -)))
581 +* AT Command:
682 682  
683 -(% class="box infomessage" %)
684 -(((
685 -(((
686 -**AT+PAYVER: Set PAYVER field = 1**
687 -)))
688 -)))
583 +AT+PAYVER: Set PAYVER field = 1
689 689  
690 -* (((
691 -**Downlink Payload:**
692 -)))
693 693  
694 -(((
695 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 -)))
586 +* Downlink Payload:
697 697  
698 -(((
699 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 -)))
588 +0xAE 01   à Set PAYVER field =  0x01
701 701  
590 +0xAE 0F   à Set PAYVER field =  0x0F
702 702  
703 703  
593 +==== Set RS485 Sampling Commands ====
704 704  
705 -==== **Set RS485 Sampling Commands** ====
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
706 706  
707 -(((
708 -AT+COMMANDx or AT+DATACUTx
709 -)))
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]].
710 710  
711 -(((
712 -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"]].
713 -)))
714 714  
715 -(((
716 -
717 -)))
600 +* AT Command:
718 718  
719 -* (((
720 -**AT Command:**
721 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
722 722  
723 -(% class="box infomessage" %)
724 -(((
725 -(((
726 -**AT+COMMANDx: Configure RS485 read command to sensor.**
727 -)))
728 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
729 729  
730 -(% class="box infomessage" %)
731 -(((
732 -(((
733 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
734 -)))
735 -)))
606 +AT+SEARCHx: Configure search command
736 736  
737 -(((
738 -
739 -)))
740 740  
741 -* (((
742 -**Downlink Payload:**
743 -)))
609 +* Downlink Payload:
744 744  
745 -(((
746 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 -)))
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
748 748  
749 -(((
750 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
751 -)))
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
752 752  
753 -(((
754 754  Format: AF MM NN LL XX XX XX XX YY
755 -)))
756 756  
757 -(((
758 758  Where:
759 -)))
760 760  
761 -* (((
762 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
763 -)))
764 -* (((
765 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
766 -)))
767 -* (((
768 -LL:  The length of AT+COMMAND or AT+DATACUT command
769 -)))
770 -* (((
771 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
772 -)))
773 -* (((
774 -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.
775 -)))
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.
776 776  
777 -(((
778 -**Example:**
779 -)))
625 +Example:
780 780  
781 -(((
782 -(% 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
783 -)))
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
784 784  
785 -(((
786 -(% 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**
787 -)))
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
788 788  
789 -(((
790 -(% 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**
791 -)))
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
792 792  
793 793  
634 +0xAB downlink command can be used for set AT+SEARCHx
794 794  
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
795 795  
796 -==== **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
797 797  
798 -(((
799 -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]].
800 -)))
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
801 801  
802 -(((
803 -This command is valid since v1.3 firmware version
804 -)))
805 805  
806 -(((
807 -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.
808 -)))
644 +==== Fast command to handle MODBUS device ====
809 809  
810 -(((
811 -
812 -)))
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]].
813 813  
814 -(((
815 -**Example:**
816 -)))
648 +This command is valid since v1.3 firmware version
817 817  
818 -* (((
819 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
820 -)))
821 -* (((
822 -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.
823 -)))
824 -* (((
825 -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.
826 -)))
827 827  
828 -[[image:image-20220602165351-6.png]]
651 +AT+MBFUN has only two value:
829 829  
830 -[[image:image-20220602165351-7.png]]
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
831 831  
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.
832 832  
657 +* AT+MBFUN=0: Disable Modbus fast reading.
833 833  
659 +Example:
834 834  
835 -==== **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.
836 836  
837 -(((
838 -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.
839 -)))
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
840 840  
841 -(((
842 -Default value: 0, range:  0 ~~ 65 seconds
843 -)))
844 844  
845 -* (((
846 -**AT Command:**
847 -)))
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
848 848  
849 -(% class="box infomessage" %)
850 -(((
851 -(((
852 -**AT+CMDDLaa=hex(bb cc)*1000**
853 -)))
854 -)))
855 855  
856 -(((
857 -**Example:**
858 -)))
671 +* Downlink Commands:
859 859  
860 -(((
861 -**AT+CMDDL1=1000** to send the open time to 1000ms
862 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
863 863  
864 -(((
865 -
866 -)))
867 867  
868 -* (((
869 -**Downlink Payload:**
870 -)))
676 +==== RS485 command timeout ====
871 871  
872 -(((
873 -**0x AA aa bb cc**
874 -)))
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.
875 875  
876 -(((
877 -Same as: AT+CMDDLaa=hex(bb cc)*1000
878 -)))
680 +Default value: 0, range:  0 ~~ 5 seconds
879 879  
880 -(((
881 - **Example:**
882 -)))
883 883  
884 -(((
885 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
886 -)))
683 +* AT Command:
887 887  
685 +AT+CMDDLaa=hex(bb cc)
888 888  
687 +Example:
889 889  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
890 890  
891 -==== **Uplink payload mode** ====
892 892  
893 -(((
894 -Define to use one uplink or multiple uplinks for the sampling.
895 -)))
692 +* Downlink Payload:
896 896  
897 -(((
898 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
899 -)))
694 +0x AA aa bb cc
900 900  
901 -* (((
902 -**AT Command:**
903 -)))
696 +Same as: AT+CMDDLaa=hex(bb cc)
904 904  
905 -(% class="box infomessage" %)
906 -(((
907 -(((
908 -**AT+DATAUP=0**
909 -)))
910 -)))
698 + Example:
911 911  
912 -(% class="box infomessage" %)
913 -(((
914 -(((
915 -**AT+DATAUP=1**
916 -)))
917 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
918 918  
919 -(((
920 -
921 -)))
922 922  
923 -* (((
924 -**Downlink Payload:**
925 -)))
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
926 926  
927 -(((
928 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
929 -)))
705 +Define to use one uplink or multiple uplinks for the sampling.
930 930  
931 -(((
932 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
933 -)))
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
934 934  
709 +* AT Command:
935 935  
711 +AT+DATAUP=0
936 936  
713 +AT+DATAUP=1
937 937  
938 -==== **Manually trigger an Uplink** ====
939 939  
940 -Ask device to send an uplink immediately.
716 +* Downlink Payload:
941 941  
942 -* **AT Command:**
718 +0xAD 00   à Same as AT+DATAUP=0
943 943  
944 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
720 +0xAD 01   à Same as AT+DATAUP=1
945 945  
946 946  
947 -* **Downlink Payload:**
723 +==== Manually trigger an Uplink ====
948 948  
949 -**0x08 FF**, RS485-LN will immediately send an uplink.
725 +Ask device to send an uplink immediately.
950 950  
727 +* Downlink Payload:
951 951  
729 +0x08 FF, RS485-BL will immediately send an uplink.
952 952  
953 953  
954 -==== **Clear RS485 Command** ====
732 +==== Clear RS485 Command ====
955 955  
956 956  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
957 957  
958 -* **AT Command:**
959 959  
737 +* AT Command:
738 +
960 960  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
961 961  
962 962  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -964,51 +964,43 @@
964 964  Example screen shot after clear all RS485 commands. 
965 965  
966 966  
746 +
967 967  The uplink screen shot is:
968 968  
969 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
970 970  
971 971  
972 -* **Downlink Payload:**
752 +* Downlink Payload:
973 973  
974 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
975 975  
976 976  
757 +==== Set Serial Communication Parameters ====
977 977  
978 -
979 -==== **Set Serial Communication Parameters** ====
980 -
981 981  Set the Rs485 serial communication parameters:
982 982  
983 -* **AT Command:**
761 +* AT Command:
984 984  
985 985  Set Baud Rate:
986 986  
987 -(% class="box infomessage" %)
988 -(((
989 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
990 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
991 991  
992 -Set UART Parity
993 993  
994 -(% class="box infomessage" %)
995 -(((
996 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
997 -)))
768 +Set UART parity
998 998  
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
999 999  Set STOPBIT
1000 1000  
1001 -(% class="box infomessage" %)
1002 -(((
1003 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1004 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1005 1005  
1006 1006  
1007 -* **Downlink Payload:**
778 +* Downlink Payload:
1008 1008  
1009 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1010 1010  
1011 -**Example:**
782 +Example:
1012 1012  
1013 1013  * A7 01 00 60   same as AT+BAUDR=9600
1014 1014  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1018,313 +1018,287 @@
1018 1018  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1019 1019  
1020 1020  
1021 -== 3.6 Listening mode for RS485 network ==
792 +==== Control output power duration ====
1022 1022  
1023 -This feature support since firmware v1.4
794 +User can set the output power duration before each sampling.
1024 1024  
1025 -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.
796 +* AT Command:
1026 1026  
1027 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
798 +Example:
1028 1028  
1029 -To enable the listening mode, use can run the command AT+RXMODE.
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1030 1030  
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1031 1031  
1032 -(% border="1" style="background-color:#ffffcc; width:500px" %)
1033 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1034 -|(% 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.
1035 -|(% 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
1036 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1037 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1038 1038  
1039 -**Downlink Command:**
805 +* LoRaWAN Downlink Command:
1040 1040  
1041 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
1042 1042  
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1043 1043  
1044 -**Example**:
1045 1045  
1046 -The RS485-LN is set to AT+RXMODE=2,1000
1047 1047  
1048 -There is a two Modbus commands in the RS485 network as below:
1049 1049  
1050 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
814 +1.
815 +11. Buttons
1051 1051  
1052 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
1053 1053  
1054 -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
820 +1.
821 +11. +3V3 Output
1055 1055  
1056 -[[image:image-20220602171200-9.png]]
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1057 1057  
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. 
1058 1058  
1059 -(% 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.
1060 1060  
828 +The +3V3 output time can be controlled by AT Command.
1061 1061  
1062 -== 3.7 Buttons ==
830 +**AT+3V3T=1000**
1063 1063  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1064 1064  
1065 -(% border="1" style="background-color:#f7faff; width:500px" %)
1066 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1067 -|**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**
1068 -|**RST**|(% style="width:1420px" %)Reboot RS485
1069 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1070 1070  
1071 -== 3.8 LEDs ==
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1072 1072  
1073 -(% border="1" style="background-color:#f7faff; width:500px" %)
1074 -|=**LEDs**|=**Feature**
1075 -|**PWR**|Always on if there is power
1076 -|**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.
1077 1077  
1078 -= 4. Case Study =
838 +1.
839 +11. +5V Output
1079 1079  
1080 -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]]
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1081 1081  
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. 
1082 1082  
1083 -= 5. Use AT Command =
1084 1084  
1085 -== 5.1 Access AT Command ==
846 +The 5V output time can be controlled by AT Command.
1086 1086  
1087 -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.
848 +**AT+5VT=1000**
1088 1088  
1089 -[[image:1654162355560-817.png]]
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1090 1090  
1091 1091  
1092 -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:
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.
1093 1093  
1094 -[[image:1654162368066-342.png]]
1095 1095  
1096 1096  
1097 -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/]]
1098 1098  
858 +1.
859 +11. LEDs
1099 1099  
1100 -== 5.2 Common AT Command Sequence ==
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
1101 1101  
1102 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
864 +1.
865 +11. Switch Jumper
1103 1103  
1104 -If device has not joined network yet:
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
1105 1105  
1106 -(% class="box infomessage" %)
1107 -(((
1108 -**AT+FDR**
871 +Flash position: Configure device, check running status.
1109 1109  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
1110 1110  
1111 -(% class="box infomessage" %)
1112 -(((
1113 -**AT+NJM=0**
876 +3.3v position: set to compatible with 3.3v I/O.,
1114 1114  )))
1115 1115  
1116 -(% class="box infomessage" %)
1117 -(((
1118 -**ATZ**
1119 -)))
879 ++3.3V: is always ON
1120 1120  
881 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1121 1121  
1122 -If device already joined network:
883 +1. Case Study
1123 1123  
1124 -(% class="box infomessage" %)
1125 -(((
1126 -**AT+NJM=0**
1127 -)))
885 +User can check this URL for some case studies.
1128 1128  
1129 -(% class="box infomessage" %)
1130 -(((
1131 -**ATZ**
1132 -)))
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]]
1133 1133  
1134 1134  
1135 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1136 1136  
1137 1137  
1138 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
892 +1. Use AT Command
893 +11. Access AT Command
1139 1139  
1140 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
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.
1141 1141  
1142 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1143 1143  
1144 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1145 1145  
1146 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
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:
1147 1147  
1148 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1149 1149  
1150 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1151 1151  
1152 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1153 1153  
1154 -(% 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.
906 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1155 1155  
1156 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1157 1157  
1158 1158  
1159 -(% style="color:red" %)**Note:**
910 +1.
911 +11. Common AT Command Sequence
912 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1160 1160  
1161 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1162 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1163 -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.
1164 -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
914 +If device has not joined network yet:
1165 1165  
1166 -[[image:1654162478620-421.png]]
916 +AT+FDR
1167 1167  
918 +AT+NJM=0
1168 1168  
1169 -= 6. FAQ =
920 +ATZ
1170 1170  
1171 -== 6.1 How to upgrade the image? ==
1172 1172  
1173 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
923 +If device already joined network:
1174 1174  
1175 -* Support new features
1176 -* For bug fix
1177 -* Change LoRaWAN bands.
925 +AT+NJM=0
1178 1178  
1179 -Below shows the hardware connection for how to upload an image to RS485-LN:
927 +ATZ
1180 1180  
1181 -[[image:1654162535040-878.png]]
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
1182 1182  
1183 -**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]].
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1184 1184  
1185 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
935 +AT+NJM=0 Set to ABP mode
1186 1186  
1187 -**Step3: **Open flashloader; choose the correct COM port to update.
937 +AT+ADR=0 Set the Adaptive Data Rate Off
1188 1188  
1189 -(((
1190 -(% 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.
1191 -)))
939 +AT+DR=5  Set Data Rate
1192 1192  
941 +AT+TDC=60000  Set transmit interval to 60 seconds
1193 1193  
1194 -[[image:image-20220602175818-12.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1195 1195  
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1196 1196  
1197 -[[image:image-20220602175848-13.png]]
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1198 1198  
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.
1199 1199  
1200 -[[image:image-20220602175912-14.png]]
951 +ATZ          Reset MCU
1201 1201  
953 +**Note:**
1202 1202  
1203 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
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
1204 1204  
1205 -[[image:image-20220602175638-10.png]]
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1206 1206  
1207 1207  
1208 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
963 +1. FAQ
964 +11. How to upgrade the image?
1209 1209  
1210 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1211 1211  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1212 1212  
1213 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1214 1214  
1215 -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"]].
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1216 1216  
976 +**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]].
1217 1217  
1218 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
978 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1219 1219  
1220 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
980 +**Step3: **Open flashloader; choose the correct COM port to update.
1221 1221  
1222 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1223 1223  
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1224 1224  
1225 -= 7. Trouble Shooting =
987 +|(((
988 +Board detected
989 +)))
1226 1226  
1227 -== 7.1 Downlink doesn’t work, how to solve it? ==
991 +|(((
992 +
993 +)))
1228 1228  
1229 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
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]]
1230 1230  
1231 1231  
1232 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1233 1233  
1234 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
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]]
1235 1235  
1236 1236  
1237 -= 8. Order Info =
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]]
1238 1238  
1239 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1240 1240  
1241 -(% style="color:blue" %)**XXX:**
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1242 1242  
1243 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1244 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1245 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1246 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1247 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1248 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1249 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1250 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1251 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1252 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
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.
1253 1253  
1254 1254  
1255 -= 9.Packing Info =
1256 1256  
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1257 1257  
1258 -**Package Includes**:
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]].
1259 1259  
1260 -* RS485-LN x 1
1261 -* Stick Antenna for LoRa RF part x 1
1262 -* Program cable x 1
1263 1263  
1264 -**Dimension and weight**:
1265 1265  
1266 -* Device Size: 13.5 x 7 x 3 cm
1267 -* Device Weight: 105g
1268 -* Package Size / pcs : 14.5 x 8 x 5 cm
1269 -* Weight / pcs : 170g
1270 1270  
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1271 1271  
1272 -= 10. FCC Caution for RS485LN-US915 =
1023 +Please see this link for debug:
1273 1273  
1274 -(((
1275 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1276 -)))
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]] 
1277 1277  
1278 -(((
1279 -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.
1280 -)))
1281 1281  
1282 -(((
1283 -
1284 -)))
1285 1285  
1286 -(((
1287 -**IMPORTANT NOTE:**
1288 -)))
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1289 1289  
1290 -(((
1291 -**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:
1292 -)))
1032 +It might about the channels mapping. Please see for detail.
1293 1293  
1294 -(((
1295 -—Reorient or relocate the receiving antenna.
1296 -)))
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]]
1297 1297  
1298 -(((
1299 -—Increase the separation between the equipment and receiver.
1300 -)))
1301 1301  
1302 -(((
1303 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1304 -)))
1305 1305  
1306 -(((
1307 -—Consult the dealer or an experienced radio/TV technician for help.
1308 -)))
1038 +1. Order Info
1309 1309  
1310 -(((
1311 -
1312 -)))
1040 +**Part Number: RS485-BL-XXX**
1313 1313  
1314 -(((
1315 -**FCC Radiation Exposure Statement:**
1316 -)))
1042 +**XXX:**
1317 1317  
1318 -(((
1319 -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.
1320 -)))
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
1321 1321  
1055 +1. Packing Info
1322 1322  
1323 -= 11. Support =
1057 +**Package Includes**:
1324 1324  
1325 -* (((
1326 -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.
1327 -)))
1328 -* (((
1329 -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]].
1330 -)))
1059 +* RS485-BL x 1
1060 +* Stick Antenna for LoRa RF part x 1
1061 +* Program cable x 1
1062 +
1063 +**Dimension and weight**:
1064 +
1065 +* Device Size: 13.5 x 7 x 3 cm
1066 +* Device Weight: 105g
1067 +* Package Size / pcs : 14.5 x 8 x 5 cm
1068 +* Weight / pcs : 170g
1069 +
1070 +1. Support
1071 +
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
1074 +
1075 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1654159460680-153.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -24.9 KB
Content
1654160691922-496.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -109.3 KB
Content
1654162355560-817.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -670.0 KB
Content
1654162368066-342.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -192.9 KB
Content
1654162478620-421.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -158.9 KB
Content
1654162535040-878.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -670.0 KB
Content
image-20220602165351-6.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -10.6 KB
Content
image-20220602165351-7.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -19.3 KB
Content
image-20220602171200-8.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -276.1 KB
Content
image-20220602171200-9.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -10.0 KB
Content
image-20220602175638-10.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -85.5 KB
Content
image-20220602175743-11.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -85.5 KB
Content
image-20220602175818-12.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -102.5 KB
Content
image-20220602175848-13.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -250.9 KB
Content
image-20220602175912-14.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -176.1 KB
Content
image-20220606110929-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -13.9 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0