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... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 -)))
48 48  
49 -(((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -90,7 +90,7 @@
90 90  * Preamble detection.
91 91  * 127 dB Dynamic Range RSSI.
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
94 94  
95 95  == 1.3 Features ==
96 96  
... ... @@ -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  (((
... ... @@ -233,15 +233,11 @@
233 233  
234 234  (((
235 235  (((
236 -(((
237 -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.
238 238  )))
239 -)))
240 240  
241 241  (((
242 -(((
243 243  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
244 -)))
245 245  
246 246  
247 247  )))
... ... @@ -251,19 +251,19 @@
251 251  
252 252  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:
253 253  
254 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
255 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
256 256  **AT Commands**
257 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
258 258  **Description**
259 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
260 260  **Example**
261 261  )))
262 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
263 263  AT+BAUDR
264 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
265 265  Set the baud rate (for RS485 connection). Default Value is: 9600.
266 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
267 267  (((
268 268  AT+BAUDR=9600
269 269  )))
... ... @@ -272,11 +272,11 @@
272 272  Options: (1200,2400,4800,14400,19200,115200)
273 273  )))
274 274  )))
275 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
276 276  AT+PARITY
277 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
278 278  Set UART parity (for RS485 connection)
279 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
280 280  (((
281 281  AT+PARITY=0
282 282  )))
... ... @@ -285,9 +285,9 @@
285 285  Option: 0: no parity, 1: odd parity, 2: even parity
286 286  )))
287 287  )))
288 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
289 289  AT+STOPBIT
290 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
291 291  (((
292 292  Set serial stopbit (for RS485 connection)
293 293  )))
... ... @@ -295,7 +295,7 @@
295 295  (((
296 296  
297 297  )))
298 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
299 299  (((
300 300  AT+STOPBIT=0 for 1bit
301 301  )))
... ... @@ -309,7 +309,6 @@
309 309  )))
310 310  )))
311 311  
312 -
313 313  === 3.3.2 Configure sensors ===
314 314  
315 315  (((
... ... @@ -318,23 +318,16 @@
318 318  )))
319 319  )))
320 320  
321 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
322 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
323 -|AT+CFGDEV|(% style="width:110px" %)(((
324 -(((
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" %)(((
325 325  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
326 -)))
327 327  
328 -(((
329 329  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
330 -)))
331 331  
332 -(((
333 333  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
334 -)))
335 -)))|(% 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
336 336  
337 -
338 338  === 3.3.3 Configure read commands for each sampling ===
339 339  
340 340  (((
... ... @@ -380,8 +380,8 @@
380 380  
381 381  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
382 382  
383 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
384 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
385 385  **AT+DATACUTx=a,b,c**
386 386  
387 387  * **a: length for the return of AT+COMMAND**
... ... @@ -450,7 +450,6 @@
450 450  
451 451  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
452 452  
453 -
454 454  1. PAYVER: Defined by AT+PAYVER
455 455  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
456 456  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -507,33 +507,33 @@
507 507  
508 508  == 3.4 Uplink Payload ==
509 509  
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)
510 510  
511 -[[image:image-20220606110929-1.png]]
480 +&
512 512  
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 +
513 513  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
514 514  
515 515  
516 516  == 3.5 Configure RS485-BL via AT or Downlink ==
517 517  
518 -(((
519 519  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
520 -)))
521 521  
522 -(((
523 523  There are two kinds of Commands:
524 -)))
525 525  
526 -* (((
527 -(% 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]]
528 -)))
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]]
529 529  
530 -* (((
531 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
532 -)))
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
533 533  
534 -(((
535 -
536 -)))
537 537  
538 538  
539 539  === 3.5.1 Common Commands ===
... ... @@ -541,952 +541,570 @@
541 541  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
542 542  
543 543  
544 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
545 545  
546 -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) ====
547 547  
548 -[[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.
549 549  
550 -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
551 551  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
552 552  
553 -=== 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.
554 554  
555 555  
522 +* Downlink Payload
556 556  
524 +**0A aa**     à same as AT+MOD=aa
557 557  
558 -==== **RS485 Debug Command** ====
559 559  
560 -(((
561 -This command is used to configure the RS485 devices; they won’t be used during sampling.
562 -)))
563 563  
564 -* (((
565 -**AT Command**
566 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
567 567  
568 -(% class="box infomessage" %)
569 -(((
570 -(((
571 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
572 -)))
573 -)))
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
574 574  
575 -(((
576 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
577 -)))
532 +* AT Command
578 578  
579 -* (((
580 -**Downlink Payload**
581 -)))
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
582 582  
583 -(((
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 +
538 +
539 +
540 +* Downlink Payload
541 +
584 584  Format: A8 MM NN XX XX XX XX YY
585 -)))
586 586  
587 -(((
588 588  Where:
589 -)))
590 590  
591 -* (((
592 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
593 -)))
594 -* (((
595 -NN: The length of RS485 command
596 -)))
597 -* (((
598 -XX XX XX XX: RS485 command total NN bytes
599 -)))
600 -* (((
601 -(((
602 -YY: How many bytes will be uplink from the return of this RS485 command,
603 -)))
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
604 604  
605 -* (((
606 -if YY=0, RS485-LN will execute the downlink command without uplink;
607 -)))
608 -* (((
609 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
610 -)))
611 -* (((
612 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
613 -)))
614 -)))
551 +**Example 1:**
615 615  
616 -(((
617 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
618 -)))
619 -
620 -(((
621 621  To connect a Modbus Alarm with below commands.
622 -)))
623 623  
624 -* (((
625 -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.
626 -)))
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.
627 627  
628 -* (((
629 -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.
630 -)))
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.
631 631  
632 -(((
633 633  So if user want to use downlink command to control to RS485 Alarm, he can use:
634 -)))
635 635  
636 -(((
637 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
638 -)))
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
639 639  
640 -(((
641 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
642 -)))
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
643 643  
644 -(((
645 645  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.
646 -)))
647 647  
648 -(((
649 -
650 -)))
651 651  
652 -(((
653 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
654 -)))
568 +**Example 2:**
655 655  
656 -(((
657 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
658 -)))
570 +Check TTL Sensor return:
659 659  
660 -(((
661 -
662 -)))
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
663 663  
664 -(((
665 -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:
666 -)))
667 667  
668 -(((
669 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
670 -)))
671 671  
672 -(((
673 - [[image:1654159460680-153.png]]
674 -)))
675 675  
577 +==== Set Payload version ====
676 676  
677 -
678 -
679 -==== **Set Payload version** ====
680 -
681 -(((
682 682  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.
683 -)))
684 684  
685 -* (((
686 -**AT Command:**
687 -)))
581 +* AT Command:
688 688  
689 -(% class="box infomessage" %)
690 -(((
691 -(((
692 -**AT+PAYVER: Set PAYVER field = 1**
693 -)))
694 -)))
583 +AT+PAYVER: Set PAYVER field = 1
695 695  
696 -* (((
697 -**Downlink Payload:**
698 -)))
699 699  
700 -(((
701 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
702 -)))
586 +* Downlink Payload:
703 703  
704 -(((
705 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
706 -)))
588 +0xAE 01   à Set PAYVER field =  0x01
707 707  
590 +0xAE 0F   à Set PAYVER field =  0x0F
708 708  
709 709  
593 +==== Set RS485 Sampling Commands ====
710 710  
711 -==== **Set RS485 Sampling Commands** ====
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
712 712  
713 -(((
714 -AT+COMMANDx or AT+DATACUTx
715 -)))
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]].
716 716  
717 -(((
718 -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"]].
719 -)))
720 720  
721 -(((
722 -
723 -)))
600 +* AT Command:
724 724  
725 -* (((
726 -**AT Command:**
727 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
728 728  
729 -(% class="box infomessage" %)
730 -(((
731 -(((
732 -**AT+COMMANDx: Configure RS485 read command to sensor.**
733 -)))
734 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
735 735  
736 -(% class="box infomessage" %)
737 -(((
738 -(((
739 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
740 -)))
741 -)))
606 +AT+SEARCHx: Configure search command
742 742  
743 -(((
744 -
745 -)))
746 746  
747 -* (((
748 -**Downlink Payload:**
749 -)))
609 +* Downlink Payload:
750 750  
751 -(((
752 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
753 -)))
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
754 754  
755 -(((
756 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
757 -)))
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
758 758  
759 -(((
760 760  Format: AF MM NN LL XX XX XX XX YY
761 -)))
762 762  
763 -(((
764 764  Where:
765 -)))
766 766  
767 -* (((
768 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
769 -)))
770 -* (((
771 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
772 -)))
773 -* (((
774 -LL:  The length of AT+COMMAND or AT+DATACUT command
775 -)))
776 -* (((
777 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
778 -)))
779 -* (((
780 -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.
781 -)))
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.
782 782  
783 -(((
784 -**Example:**
785 -)))
625 +Example:
786 786  
787 -(((
788 -(% 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
789 -)))
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
790 790  
791 -(((
792 -(% 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**
793 -)))
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
794 794  
795 -(((
796 -(% 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**
797 -)))
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
798 798  
799 799  
634 +0xAB downlink command can be used for set AT+SEARCHx
800 800  
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
801 801  
802 -==== **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
803 803  
804 -(((
805 -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]].
806 -)))
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
807 807  
808 -(((
809 -This command is valid since v1.3 firmware version
810 -)))
811 811  
812 -(((
813 -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.
814 -)))
644 +==== Fast command to handle MODBUS device ====
815 815  
816 -(((
817 -
818 -)))
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]].
819 819  
820 -(((
821 -**Example:**
822 -)))
648 +This command is valid since v1.3 firmware version
823 823  
824 -* (((
825 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
826 -)))
827 -* (((
828 -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.
829 -)))
830 -* (((
831 -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.
832 -)))
833 833  
834 -[[image:image-20220602165351-6.png]]
651 +AT+MBFUN has only two value:
835 835  
836 -[[image:image-20220602165351-7.png]]
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
837 837  
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.
838 838  
657 +* AT+MBFUN=0: Disable Modbus fast reading.
839 839  
659 +Example:
840 840  
841 -==== **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.
842 842  
843 -(((
844 -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.
845 -)))
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
846 846  
847 -(((
848 -Default value: 0, range:  0 ~~ 65 seconds
849 -)))
850 850  
851 -* (((
852 -**AT Command:**
853 -)))
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
854 854  
855 -(% class="box infomessage" %)
856 -(((
857 -(((
858 -**AT+CMDDLaa=hex(bb cc)*1000**
859 -)))
860 -)))
861 861  
862 -(((
863 -**Example:**
864 -)))
671 +* Downlink Commands:
865 865  
866 -(((
867 -**AT+CMDDL1=1000** to send the open time to 1000ms
868 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
869 869  
870 -(((
871 -
872 -)))
873 873  
874 -* (((
875 -**Downlink Payload:**
876 -)))
676 +==== RS485 command timeout ====
877 877  
878 -(((
879 -**0x AA aa bb cc**
880 -)))
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.
881 881  
882 -(((
883 -Same as: AT+CMDDLaa=hex(bb cc)*1000
884 -)))
680 +Default value: 0, range:  0 ~~ 5 seconds
885 885  
886 -(((
887 - **Example:**
888 -)))
889 889  
890 -(((
891 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
892 -)))
683 +* AT Command:
893 893  
685 +AT+CMDDLaa=hex(bb cc)
894 894  
687 +Example:
895 895  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
896 896  
897 -==== **Uplink payload mode** ====
898 898  
899 -(((
900 -Define to use one uplink or multiple uplinks for the sampling.
901 -)))
692 +* Downlink Payload:
902 902  
903 -(((
904 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
905 -)))
694 +0x AA aa bb cc
906 906  
907 -* (((
908 -**AT Command:**
909 -)))
696 +Same as: AT+CMDDLaa=hex(bb cc)
910 910  
911 -(% class="box infomessage" %)
912 -(((
913 -(((
914 -**AT+DATAUP=0**
915 -)))
916 -)))
698 + Example:
917 917  
918 -(% class="box infomessage" %)
919 -(((
920 -(((
921 -**AT+DATAUP=1**
922 -)))
923 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
924 924  
925 -(((
926 -
927 -)))
928 928  
929 -* (((
930 -**Downlink Payload:**
931 -)))
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
932 932  
933 -(((
934 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
935 -)))
705 +Define to use one uplink or multiple uplinks for the sampling.
936 936  
937 -(((
938 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
939 -)))
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
940 940  
709 +* AT Command:
941 941  
711 +AT+DATAUP=0
942 942  
713 +AT+DATAUP=1
943 943  
944 -==== **Manually trigger an Uplink** ====
945 945  
946 -(((
947 -Ask device to send an uplink immediately.
948 -)))
716 +* Downlink Payload:
949 949  
950 -* (((
951 -**AT Command:**
952 -)))
718 +0xAD 00   à Same as AT+DATAUP=0
953 953  
954 -(((
955 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
956 -)))
720 +0xAD 01   à Same as AT+DATAUP=1
957 957  
958 -(((
959 -
960 -)))
961 961  
962 -* (((
963 -**Downlink Payload:**
964 -)))
723 +==== Manually trigger an Uplink ====
965 965  
966 -(((
967 -**0x08 FF**, RS485-LN will immediately send an uplink.
968 -)))
725 +Ask device to send an uplink immediately.
969 969  
727 +* Downlink Payload:
970 970  
729 +0x08 FF, RS485-BL will immediately send an uplink.
971 971  
972 972  
973 -==== **Clear RS485 Command** ====
732 +==== Clear RS485 Command ====
974 974  
975 -(((
976 976  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
977 -)))
978 978  
979 -* (((
980 -**AT Command:**
981 -)))
982 982  
983 -(((
737 +* AT Command:
738 +
984 984  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
985 -)))
986 986  
987 -(((
988 988  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
989 -)))
990 990  
991 -(((
992 992  Example screen shot after clear all RS485 commands. 
993 -)))
994 994  
995 -(((
996 -
997 -)))
998 998  
999 -(((
746 +
1000 1000  The uplink screen shot is:
1001 -)))
1002 1002  
1003 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1004 1004  
1005 1005  
1006 -* (((
1007 -**Downlink Payload:**
1008 -)))
752 +* Downlink Payload:
1009 1009  
1010 -(((
1011 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1012 -)))
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
1013 1013  
1014 1014  
757 +==== Set Serial Communication Parameters ====
1015 1015  
1016 -
1017 -==== **Set Serial Communication Parameters** ====
1018 -
1019 -(((
1020 1020  Set the Rs485 serial communication parameters:
1021 -)))
1022 1022  
1023 -* (((
1024 -**AT Command:**
1025 -)))
761 +* AT Command:
1026 1026  
1027 -(((
1028 1028  Set Baud Rate:
1029 -)))
1030 1030  
1031 -(% class="box infomessage" %)
1032 -(((
1033 -(((
1034 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1035 -)))
1036 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1037 1037  
1038 -(((
1039 -Set UART Parity
1040 -)))
1041 1041  
1042 -(% class="box infomessage" %)
1043 -(((
1044 -(((
1045 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1046 -)))
1047 -)))
768 +Set UART parity
1048 1048  
1049 -(((
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
1050 1050  Set STOPBIT
1051 -)))
1052 1052  
1053 -(% class="box infomessage" %)
1054 -(((
1055 -(((
1056 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1057 -)))
1058 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1059 1059  
1060 -(((
1061 -
1062 -)))
1063 1063  
1064 -* (((
1065 -**Downlink Payload:**
1066 -)))
778 +* Downlink Payload:
1067 1067  
1068 -(((
1069 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1070 -)))
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1071 1071  
1072 -(((
1073 -**Example:**
1074 -)))
782 +Example:
1075 1075  
1076 -* (((
1077 -A7 01 00 60   same as AT+BAUDR=9600
1078 -)))
1079 -* (((
1080 -A7 01 04 80  same as AT+BAUDR=115200
1081 -)))
784 +* A7 01 00 60   same as AT+BAUDR=9600
785 +* A7 01 04 80  same as AT+BAUDR=115200
1082 1082  
1083 -(((
1084 1084  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1085 -)))
1086 1086  
1087 -(((
1088 1088  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1089 -)))
1090 1090  
1091 1091  
792 +==== Control output power duration ====
1092 1092  
794 +User can set the output power duration before each sampling.
1093 1093  
1094 -== 3.6 Listening mode for RS485 network ==
796 +* AT Command:
1095 1095  
1096 -(((
1097 -This feature support since firmware v1.4
1098 -)))
798 +Example:
1099 1099  
1100 -(((
1101 -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.
1102 -)))
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1103 1103  
1104 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1105 1105  
1106 -(((
1107 -To enable the listening mode, use can run the command AT+RXMODE.
1108 -)))
1109 1109  
1110 -(((
1111 -
1112 -)))
805 +* LoRaWAN Downlink Command:
1113 1113  
1114 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1115 -|=(% style="width: 100px;" %)(((
1116 -**Command example**
1117 -)))|=(% style="width: 400px;" %)(((
1118 -**Function**
1119 -)))
1120 -|(% style="width:100px" %)(((
1121 -AT+RXMODE=1,10
1122 -)))|(% style="width:400px" %)(((
1123 -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.
1124 -)))
1125 -|(% style="width:100px" %)(((
1126 -AT+RXMODE=2,500
1127 -)))|(% style="width:400px" %)(((
1128 -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
1129 -)))
1130 -|(% style="width:100px" %)(((
1131 -AT+RXMODE=0,0
1132 -)))|(% style="width:400px" %)(((
1133 -Disable listening mode. This is the default settings.
1134 -)))
1135 -|(% style="width:100px" %)(((
1136 -
1137 -)))|(% style="width:400px" %)(((
1138 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1139 -)))
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
1140 1140  
1141 -(((
1142 -**Downlink Command:**
1143 -)))
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1144 1144  
1145 -(((
1146 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1147 -)))
1148 1148  
1149 -(((
1150 -
1151 -)))
1152 1152  
1153 -(((
1154 -**Example**:
1155 -)))
1156 1156  
1157 -(((
1158 -The RS485-LN is set to AT+RXMODE=2,1000
1159 -)))
814 +1.
815 +11. Buttons
1160 1160  
1161 -(((
1162 -There is a two Modbus commands in the RS485 network as below:
1163 -)))
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
1164 1164  
1165 -(((
1166 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1167 -)))
820 +1.
821 +11. +3V3 Output
1168 1168  
1169 -(((
1170 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1171 -)))
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1172 1172  
1173 -(((
1174 -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
1175 -)))
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. 
1176 1176  
1177 -(((
1178 -[[image:image-20220602171200-9.png]]
1179 -)))
1180 1180  
1181 -(((
1182 -
1183 -)))
828 +The +3V3 output time can be controlled by AT Command.
1184 1184  
1185 -(((
1186 -(((
1187 -(% 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.
1188 -)))
1189 -)))
830 +**AT+3V3T=1000**
1190 1190  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1191 1191  
1192 -== 3.7 Buttons ==
1193 1193  
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1194 1194  
1195 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1196 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1197 -|(% style="width:50px" %)**ACT**|(% style="width:350px" %)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**
1198 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1199 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1200 1200  
838 +1.
839 +11. +5V Output
1201 1201  
1202 -== 3.8 LEDs ==
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1203 1203  
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. 
1204 1204  
1205 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1206 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1207 -|**PWR**|Always on if there is power
1208 -|**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.
1209 1209  
846 +The 5V output time can be controlled by AT Command.
1210 1210  
1211 -= 4. Case Study =
848 +**AT+5VT=1000**
1212 1212  
1213 -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]]
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1214 1214  
1215 1215  
1216 -= 5. Use 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.
1217 1217  
1218 -== 5.1 Access AT Command ==
1219 1219  
1220 -(((
1221 -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.
1222 -)))
1223 1223  
1224 -[[image:1654162355560-817.png]]
1225 1225  
858 +1.
859 +11. LEDs
1226 1226  
1227 -(((
1228 -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:
1229 -)))
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
1230 1230  
1231 -[[image:1654162368066-342.png]]
864 +1.
865 +11. Switch Jumper
1232 1232  
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
1233 1233  
1234 -(((
1235 -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/]]
871 +Flash position: Configure device, check running status.
1236 1236  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
1237 1237  
876 +3.3v position: set to compatible with 3.3v I/O.,
877 +)))
1238 1238  
879 ++3.3V: is always ON
1239 1239  
1240 -== 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.
1241 1241  
1242 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
883 +1. Case Study
1243 1243  
1244 -If device has not joined network yet:
885 +User can check this URL for some case studies.
1245 1245  
1246 -(% class="box infomessage" %)
1247 -(((
1248 -**AT+FDR**
1249 -)))
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]]
1250 1250  
1251 -(% class="box infomessage" %)
1252 -(((
1253 -**AT+NJM=0**
1254 -)))
1255 1255  
1256 -(% class="box infomessage" %)
1257 -(((
1258 -**ATZ**
1259 -)))
1260 1260  
1261 1261  
1262 -(((
1263 -If device already joined network:
1264 -)))
892 +1. Use AT Command
893 +11. Access AT Command
1265 1265  
1266 -(% class="box infomessage" %)
1267 -(((
1268 -**AT+NJM=0**
1269 -)))
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.
1270 1270  
1271 -(% class="box infomessage" %)
1272 -(((
1273 -**ATZ**
1274 -)))
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1275 1275  
1276 1276  
1277 -=== 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:
1278 1278  
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1279 1279  
1280 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1281 1281  
1282 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1283 1283  
1284 -(% 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]]
1285 1285  
1286 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1287 1287  
1288 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1289 1289  
1290 -(% 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)
1291 1291  
1292 -(% 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:
1293 1293  
1294 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
916 +AT+FDR
1295 1295  
1296 -(% 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
1297 1297  
1298 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
920 +ATZ
1299 1299  
1300 1300  
1301 -(% style="color:red" %)**Note:**
923 +If device already joined network:
1302 1302  
1303 -(((
1304 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1305 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1306 -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.
1307 -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
1308 -)))
925 +AT+NJM=0
1309 1309  
1310 -[[image:1654162478620-421.png]]
927 +ATZ
1311 1311  
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
1312 1312  
1313 -= 6. FAQ =
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1314 1314  
1315 -== 6.1 How to upgrade the image? ==
935 +AT+NJM=0 Set to ABP mode
1316 1316  
1317 -(((
1318 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1319 -)))
937 +AT+ADR=0 Set the Adaptive Data Rate Off
1320 1320  
1321 -* (((
1322 -Support new features
1323 -)))
1324 -* (((
1325 -For bug fix
1326 -)))
1327 -* (((
1328 -Change LoRaWAN bands.
1329 -)))
939 +AT+DR=5  Set Data Rate
1330 1330  
1331 -(((
1332 -Below shows the hardware connection for how to upload an image to RS485-LN:
1333 -)))
941 +AT+TDC=60000  Set transmit interval to 60 seconds
1334 1334  
1335 -[[image:1654162535040-878.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1336 1336  
1337 -(((
1338 -**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]].
1339 -)))
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1340 1340  
1341 -(((
1342 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1343 -)))
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1344 1344  
1345 -(((
1346 -**Step3: **Open flashloader; choose the correct COM port to update.
1347 -)))
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.
1348 1348  
1349 -(((
1350 -(((
1351 -(((
1352 -(% 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.
1353 -)))
1354 -)))
1355 -)))
951 +ATZ          Reset MCU
1356 1356  
953 +**Note:**
1357 1357  
1358 -[[image:image-20220602175818-12.png]]
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
1359 1359  
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1360 1360  
1361 -[[image:image-20220602175848-13.png]]
1362 1362  
963 +1. FAQ
964 +11. How to upgrade the image?
1363 1363  
1364 -[[image:image-20220602175912-14.png]]
966 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1365 1365  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1366 1366  
1367 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
972 +Below shows the hardware connection for how to upload an image to RS485-BL:
1368 1368  
1369 -[[image:image-20220602175638-10.png]]
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1370 1370  
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]].
1371 1371  
1372 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
978 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1373 1373  
1374 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
980 +**Step3: **Open flashloader; choose the correct COM port to update.
1375 1375  
1376 1376  
1377 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
983 +|(((
984 +HOLD PRO then press the RST button, SYS will be ON, then click next
985 +)))
1378 1378  
1379 -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"]].
987 +|(((
988 +Board detected
989 +)))
1380 1380  
991 +|(((
992 +
993 +)))
1381 1381  
1382 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
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]]
1383 1383  
1384 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1385 1385  
1386 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1387 1387  
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]]
1388 1388  
1389 -= 7. Trouble Shooting =
1390 1390  
1391 -== 7.1 Downlink doesn’t work, how to solve it? ==
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]]
1392 1392  
1393 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1394 1394  
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1395 1395  
1396 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
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.
1397 1397  
1398 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1399 1399  
1400 1400  
1401 -= 8. Order Info =
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1402 1402  
1403 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
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]].
1404 1404  
1405 -(% style="color:blue" %)**XXX:**
1406 1406  
1407 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1408 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1409 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1410 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1411 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1412 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1413 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1414 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1415 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1416 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1417 1417  
1418 -= 9.Packing Info =
1419 1419  
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1420 1420  
1421 -**Package Includes**:
1023 +Please see this link for debug:
1422 1422  
1423 -* RS485-LN x 1
1424 -* Stick Antenna for LoRa RF part x 1
1425 -* Program cable x 1
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]] 
1426 1426  
1427 -**Dimension and weight**:
1428 1428  
1429 -* Device Size: 13.5 x 7 x 3 cm
1430 -* Device Weight: 105g
1431 -* Package Size / pcs : 14.5 x 8 x 5 cm
1432 -* Weight / pcs : 170g
1433 1433  
1434 -= 10. FCC Caution for RS485LN-US915 =
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1435 1435  
1436 -(((
1437 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1438 -)))
1032 +It might about the channels mapping. Please see for detail.
1439 1439  
1440 -(((
1441 -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.
1442 -)))
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]]
1443 1443  
1444 -(((
1445 -
1446 -)))
1447 1447  
1448 -(((
1449 -**IMPORTANT NOTE:**
1450 -)))
1451 1451  
1452 -(((
1453 -**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:
1454 -)))
1038 +1. Order Info
1455 1455  
1456 -(((
1457 -—Reorient or relocate the receiving antenna.
1458 -)))
1040 +**Part Number: RS485-BL-XXX**
1459 1459  
1460 -(((
1461 -—Increase the separation between the equipment and receiver.
1462 -)))
1042 +**XXX:**
1463 1463  
1464 -(((
1465 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1466 -)))
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
1467 1467  
1468 -(((
1469 -—Consult the dealer or an experienced radio/TV technician for help.
1470 -)))
1055 +1. Packing Info
1471 1471  
1472 -(((
1473 -
1474 -)))
1057 +**Package Includes**:
1475 1475  
1476 -(((
1477 -**FCC Radiation Exposure Statement:**
1478 -)))
1059 +* RS485-BL x 1
1060 +* Stick Antenna for LoRa RF part x 1
1061 +* Program cable x 1
1479 1479  
1480 -(((
1481 -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.
1482 -)))
1063 +**Dimension and weight**:
1483 1483  
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
1484 1484  
1485 -= 11. Support =
1070 +1. Support
1486 1486  
1487 -* (((
1488 -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.
1489 -)))
1490 -* (((
1491 -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]].
1492 -)))
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]]
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