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... ... @@ -6,12 +6,18 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 +
10 +
9 9  **Table of Contents:**
10 10  
13 +{{toc/}}
11 11  
12 12  
13 13  
14 14  
18 +
19 +
20 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -18,23 +18,33 @@
18 18  
19 19  (((
20 20  (((
27 +(((
21 21  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.
22 22  )))
30 +)))
23 23  
24 24  (((
33 +(((
25 25  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.
26 26  )))
36 +)))
27 27  
28 28  (((
39 +(((
29 29  (% 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.
30 30  )))
42 +)))
31 31  
32 32  (((
45 +(((
33 33  (% 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 +)))
34 34  
49 +(((
35 35  (% 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]]
36 36  )))
37 37  )))
53 +)))
38 38  
39 39  [[image:1653267211009-519.png||height="419" width="724"]]
40 40  
... ... @@ -74,7 +74,7 @@
74 74  * Preamble detection.
75 75  * 127 dB Dynamic Range RSSI.
76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 -* Packet engine up to 256 bytes with CRC.
93 +* Packet engine up to 256 bytes with CRC
78 78  
79 79  == 1.3 Features ==
80 80  
... ... @@ -105,9 +105,13 @@
105 105  
106 106  (((
107 107  (((
124 +(((
108 108  v1.2: Add External Interrupt Pin.
126 +)))
109 109  
128 +(((
110 110  v1.0: Release
130 +)))
111 111  
112 112  
113 113  )))
... ... @@ -135,7 +135,9 @@
135 135  == 3.1 How it works? ==
136 136  
137 137  (((
158 +(((
138 138  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 +)))
139 139  
140 140  
141 141  )))
... ... @@ -159,7 +159,7 @@
159 159  [[image:1653268227651-549.png||height="592" width="720"]]
160 160  
161 161  (((
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:
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:
163 163  )))
164 164  
165 165  (((
... ... @@ -211,11 +211,15 @@
211 211  
212 212  (((
213 213  (((
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.
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.
215 215  )))
239 +)))
216 216  
217 217  (((
242 +(((
218 218  (% 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 +)))
219 219  
220 220  
221 221  )))
... ... @@ -225,19 +225,19 @@
225 225  
226 226  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:
227 227  
228 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 -|(% style="width:128px" %)(((
254 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
255 +|=(% style="width: 110px;" %)(((
230 230  **AT Commands**
231 -)))|(% style="width:305px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
232 232  **Description**
233 -)))|(% style="width:346px" %)(((
259 +)))|=(% style="width: 190px;" %)(((
234 234  **Example**
235 235  )))
236 -|(% style="width:128px" %)(((
262 +|(% style="width:110px" %)(((
237 237  AT+BAUDR
238 -)))|(% style="width:305px" %)(((
264 +)))|(% style="width:190px" %)(((
239 239  Set the baud rate (for RS485 connection). Default Value is: 9600.
240 -)))|(% style="width:346px" %)(((
266 +)))|(% style="width:190px" %)(((
241 241  (((
242 242  AT+BAUDR=9600
243 243  )))
... ... @@ -246,11 +246,11 @@
246 246  Options: (1200,2400,4800,14400,19200,115200)
247 247  )))
248 248  )))
249 -|(% style="width:128px" %)(((
275 +|(% style="width:110px" %)(((
250 250  AT+PARITY
251 -)))|(% style="width:305px" %)(((
277 +)))|(% style="width:190px" %)(((
252 252  Set UART parity (for RS485 connection)
253 -)))|(% style="width:346px" %)(((
279 +)))|(% style="width:190px" %)(((
254 254  (((
255 255  AT+PARITY=0
256 256  )))
... ... @@ -259,9 +259,9 @@
259 259  Option: 0: no parity, 1: odd parity, 2: even parity
260 260  )))
261 261  )))
262 -|(% style="width:128px" %)(((
288 +|(% style="width:110px" %)(((
263 263  AT+STOPBIT
264 -)))|(% style="width:305px" %)(((
290 +)))|(% style="width:190px" %)(((
265 265  (((
266 266  Set serial stopbit (for RS485 connection)
267 267  )))
... ... @@ -269,7 +269,7 @@
269 269  (((
270 270  
271 271  )))
272 -)))|(% style="width:346px" %)(((
298 +)))|(% style="width:190px" %)(((
273 273  (((
274 274  AT+STOPBIT=0 for 1bit
275 275  )))
... ... @@ -283,6 +283,7 @@
283 283  )))
284 284  )))
285 285  
312 +
286 286  === 3.3.2 Configure sensors ===
287 287  
288 288  (((
... ... @@ -291,16 +291,17 @@
291 291  )))
292 292  )))
293 293  
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" %)(((
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" %)(((
297 297  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
298 298  
299 299  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
300 300  
301 301  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303 303  
331 +
304 304  === 3.3.3 Configure read commands for each sampling ===
305 305  
306 306  (((
... ... @@ -346,8 +346,8 @@
346 346  
347 347  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
348 348  
349 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
351 351  **AT+DATACUTx=a,b,c**
352 352  
353 353  * **a: length for the return of AT+COMMAND**
... ... @@ -416,6 +416,7 @@
416 416  
417 417  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418 418  
447 +
419 419  1. PAYVER: Defined by AT+PAYVER
420 420  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421 421  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -472,33 +472,33 @@
472 472  
473 473  == 3.4 Uplink Payload ==
474 474  
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)
479 479  
480 -&
505 +[[image:image-20220606110929-1.png]]
481 481  
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 -
489 489  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
490 490  
491 491  
492 492  == 3.5 Configure RS485-BL via AT or Downlink ==
493 493  
512 +(((
494 494  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
495 495  
516 +(((
496 496  There are two kinds of Commands:
518 +)))
497 497  
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]]
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 +)))
499 499  
500 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
524 +* (((
525 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 +)))
501 501  
528 +(((
529 +
530 +)))
502 502  
503 503  
504 504  === 3.5.1 Common Commands ===
... ... @@ -506,570 +506,937 @@
506 506  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]]
507 507  
508 508  
509 -=== 3.5.2 Sensor related commands: ===
538 +=== 3.5.2 Sensor related commands ===
510 510  
511 -==== Choose Device Type (RS485 or TTL) ====
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.
512 512  
513 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
542 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
514 514  
515 -* AT Command
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)
516 516  
517 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
518 518  
519 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
547 +=== 3.5.3 Sensor related commands ===
520 520  
521 521  
522 -* Downlink Payload
523 523  
524 -**0A aa**     à same as AT+MOD=aa
525 525  
552 +==== **RS485 Debug Command** ====
526 526  
554 +(((
555 +This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
527 527  
528 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
558 +* (((
559 +**AT Command**
560 +)))
529 529  
530 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
562 +(% class="box infomessage" %)
563 +(((
564 +(((
565 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
566 +)))
567 +)))
531 531  
532 -* AT Command
569 +(((
570 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
533 533  
534 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
573 +* (((
574 +**Downlink Payload**
575 +)))
535 535  
536 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 -
538 -
539 -
540 -* Downlink Payload
541 -
577 +(((
542 542  Format: A8 MM NN XX XX XX XX YY
579 +)))
543 543  
581 +(((
544 544  Where:
583 +)))
545 545  
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
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 +)))
550 550  
551 -**Example 1:**
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 +)))
552 552  
610 +(((
611 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
613 +
614 +(((
553 553  To connect a Modbus Alarm with below commands.
616 +)))
554 554  
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.
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 +)))
556 556  
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.
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 +)))
558 558  
626 +(((
559 559  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
560 560  
561 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
630 +(((
631 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
562 562  
563 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
634 +(((
635 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
564 564  
638 +(((
565 565  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 +)))
566 566  
642 +(((
643 +
644 +)))
567 567  
568 -**Example 2:**
646 +(((
647 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
569 569  
570 -Check TTL Sensor return:
650 +(((
651 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
571 571  
572 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
654 +(((
655 +
656 +)))
573 573  
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 +)))
574 574  
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 +)))
575 575  
666 +(((
667 + [[image:1654159460680-153.png]]
668 +)))
576 576  
577 -==== Set Payload version ====
578 578  
671 +
672 +
673 +==== **Set Payload version** ====
674 +
675 +(((
579 579  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 +)))
580 580  
581 -* AT Command:
679 +* (((
680 +**AT Command:**
681 +)))
582 582  
583 -AT+PAYVER: Set PAYVER field = 1
683 +(% class="box infomessage" %)
684 +(((
685 +(((
686 +**AT+PAYVER: Set PAYVER field = 1**
687 +)))
688 +)))
584 584  
690 +* (((
691 +**Downlink Payload:**
692 +)))
585 585  
586 -* Downlink Payload:
694 +(((
695 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
587 587  
588 -0xAE 01   à Set PAYVER field =  0x01
698 +(((
699 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
589 589  
590 -0xAE 0F   à Set PAYVER field =  0x0F
591 591  
592 592  
593 -==== Set RS485 Sampling Commands ====
594 594  
595 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
705 +==== **Set RS485 Sampling Commands** ====
596 596  
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]].
707 +(((
708 +AT+COMMANDx or AT+DATACUTx
709 +)))
598 598  
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 +)))
599 599  
600 -* AT Command:
715 +(((
716 +
717 +)))
601 601  
602 -AT+COMMANDx: Configure RS485 read command to sensor.
719 +* (((
720 +**AT Command:**
721 +)))
603 603  
604 -AT+DATACUTx: Configure how to handle return from RS485 devices.
723 +(% class="box infomessage" %)
724 +(((
725 +(((
726 +**AT+COMMANDx: Configure RS485 read command to sensor.**
727 +)))
728 +)))
605 605  
606 -AT+SEARCHx: Configure search command
730 +(% class="box infomessage" %)
731 +(((
732 +(((
733 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
734 +)))
735 +)))
607 607  
737 +(((
738 +
739 +)))
608 608  
609 -* Downlink Payload:
741 +* (((
742 +**Downlink Payload:**
743 +)))
610 610  
611 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
745 +(((
746 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 +)))
612 612  
613 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
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 +)))
614 614  
753 +(((
615 615  Format: AF MM NN LL XX XX XX XX YY
755 +)))
616 616  
757 +(((
617 617  Where:
759 +)))
618 618  
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.
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 +)))
624 624  
625 -Example:
777 +(((
778 +**Example:**
779 +)))
626 626  
627 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
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 +)))
628 628  
629 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
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 +)))
630 630  
631 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
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 +)))
632 632  
633 633  
634 -0xAB downlink command can be used for set AT+SEARCHx
635 635  
636 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
637 637  
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
796 +==== **Fast command to handle MODBUS device** ====
640 640  
641 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
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 +)))
642 642  
802 +(((
803 +This command is valid since v1.3 firmware version
804 +)))
643 643  
644 -==== Fast command to handle MODBUS device ====
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 +)))
645 645  
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]].
810 +(((
811 +
812 +)))
647 647  
648 -This command is valid since v1.3 firmware version
814 +(((
815 +**Example:**
816 +)))
649 649  
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 +)))
650 650  
651 -AT+MBFUN has only two value:
828 +[[image:image-20220602165351-6.png]]
652 652  
653 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
830 +[[image:image-20220602165351-7.png]]
654 654  
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.
656 656  
657 -* AT+MBFUN=0: Disable Modbus fast reading.
658 658  
659 -Example:
660 660  
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.
835 +==== **RS485 command timeout** ====
664 664  
665 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
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 +)))
666 666  
841 +(((
842 +Default value: 0, range:  0 ~~ 65 seconds
843 +)))
667 667  
668 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
845 +* (((
846 +**AT Command:**
847 +)))
669 669  
849 +(% class="box infomessage" %)
850 +(((
851 +(((
852 +**AT+CMDDLaa=hex(bb cc)*1000**
853 +)))
854 +)))
670 670  
671 -* Downlink Commands:
856 +(((
857 +**Example:**
858 +)))
672 672  
673 -A9 aa -à Same as AT+MBFUN=aa
860 +(((
861 +**AT+CMDDL1=1000** to send the open time to 1000ms
862 +)))
674 674  
864 +(((
865 +
866 +)))
675 675  
676 -==== RS485 command timeout ====
868 +* (((
869 +**Downlink Payload:**
870 +)))
677 677  
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.
872 +(((
873 +**0x AA aa bb cc**
874 +)))
679 679  
680 -Default value: 0, range:  0 ~~ 5 seconds
876 +(((
877 +Same as: AT+CMDDLaa=hex(bb cc)*1000
878 +)))
681 681  
880 +(((
881 + **Example:**
882 +)))
682 682  
683 -* AT Command:
884 +(((
885 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
886 +)))
684 684  
685 -AT+CMDDLaa=hex(bb cc)
686 686  
687 -Example:
688 688  
689 -**AT+CMDDL1=1000** to send the open time to 1000ms
690 690  
891 +==== **Uplink payload mode** ====
691 691  
692 -* Downlink Payload:
893 +(((
894 +Define to use one uplink or multiple uplinks for the sampling.
895 +)))
693 693  
694 -0x AA aa bb cc
897 +(((
898 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
899 +)))
695 695  
696 -Same as: AT+CMDDLaa=hex(bb cc)
901 +* (((
902 +**AT Command:**
903 +)))
697 697  
698 - Example:
905 +(% class="box infomessage" %)
906 +(((
907 +(((
908 +**AT+DATAUP=0**
909 +)))
910 +)))
699 699  
700 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
912 +(% class="box infomessage" %)
913 +(((
914 +(((
915 +**AT+DATAUP=1**
916 +)))
917 +)))
701 701  
919 +(((
920 +
921 +)))
702 702  
703 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
923 +* (((
924 +**Downlink Payload:**
925 +)))
704 704  
705 -Define to use one uplink or multiple uplinks for the sampling.
927 +(((
928 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
929 +)))
706 706  
707 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
931 +(((
932 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
933 +)))
708 708  
709 -* AT Command:
710 710  
711 -AT+DATAUP=0
712 712  
713 -AT+DATAUP=1
714 714  
938 +==== **Manually trigger an Uplink** ====
715 715  
716 -* Downlink Payload:
940 +(((
941 +Ask device to send an uplink immediately.
942 +)))
717 717  
718 -0xAD 00   à Same as AT+DATAUP=0
944 +* (((
945 +**AT Command:**
946 +)))
719 719  
720 -0xAD 01   à Same as AT+DATAUP=1
948 +(((
949 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
950 +)))
721 721  
952 +(((
953 +
954 +)))
722 722  
723 -==== Manually trigger an Uplink ====
956 +* (((
957 +**Downlink Payload:**
958 +)))
724 724  
725 -Ask device to send an uplink immediately.
960 +(((
961 +**0x08 FF**, RS485-LN will immediately send an uplink.
962 +)))
726 726  
727 -* Downlink Payload:
728 728  
729 -0x08 FF, RS485-BL will immediately send an uplink.
730 730  
731 731  
732 -==== Clear RS485 Command ====
967 +==== **Clear RS485 Command** ====
733 733  
969 +(((
734 734  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
971 +)))
735 735  
973 +* (((
974 +**AT Command:**
975 +)))
736 736  
737 -* AT Command:
738 -
977 +(((
739 739  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
979 +)))
740 740  
981 +(((
741 741  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
983 +)))
742 742  
985 +(((
743 743  Example screen shot after clear all RS485 commands. 
987 +)))
744 744  
989 +(((
990 +
991 +)))
745 745  
746 -
993 +(((
747 747  The uplink screen shot is:
995 +)))
748 748  
749 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
997 +[[image:1654160691922-496.png]]
750 750  
751 751  
752 -* Downlink Payload:
1000 +* (((
1001 +**Downlink Payload:**
1002 +)))
753 753  
754 -0x09 aa bb same as AT+CMDEAR=aa,bb
1004 +(((
1005 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1006 +)))
755 755  
756 756  
757 -==== Set Serial Communication Parameters ====
758 758  
1010 +
1011 +==== **Set Serial Communication Parameters** ====
1012 +
1013 +(((
759 759  Set the Rs485 serial communication parameters:
1015 +)))
760 760  
761 -* AT Command:
1017 +* (((
1018 +**AT Command:**
1019 +)))
762 762  
1021 +(((
763 763  Set Baud Rate:
1023 +)))
764 764  
765 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1025 +(% class="box infomessage" %)
1026 +(((
1027 +(((
1028 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1029 +)))
1030 +)))
766 766  
1032 +(((
1033 +Set UART Parity
1034 +)))
767 767  
768 -Set UART parity
1036 +(% class="box infomessage" %)
1037 +(((
1038 +(((
1039 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1040 +)))
1041 +)))
769 769  
770 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 -
772 -
1043 +(((
773 773  Set STOPBIT
1045 +)))
774 774  
775 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1047 +(% class="box infomessage" %)
1048 +(((
1049 +(((
1050 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1051 +)))
1052 +)))
776 776  
1054 +(((
1055 +
1056 +)))
777 777  
778 -* Downlink Payload:
1058 +* (((
1059 +**Downlink Payload:**
1060 +)))
779 779  
780 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1062 +(((
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1064 +)))
781 781  
782 -Example:
1066 +(((
1067 +**Example:**
1068 +)))
783 783  
784 -* A7 01 00 60   same as AT+BAUDR=9600
785 -* A7 01 04 80  same as AT+BAUDR=115200
1070 +* (((
1071 +A7 01 00 60   same as AT+BAUDR=9600
1072 +)))
1073 +* (((
1074 +A7 01 04 80  same as AT+BAUDR=115200
1075 +)))
786 786  
1077 +(((
787 787  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1079 +)))
788 788  
1081 +(((
789 789  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1083 +)))
790 790  
791 791  
792 -==== Control output power duration ====
793 793  
794 -User can set the output power duration before each sampling.
795 795  
796 -* AT Command:
1088 +== 3.6 Listening mode for RS485 network ==
797 797  
798 -Example:
1090 +(((
1091 +This feature support since firmware v1.4
1092 +)))
799 799  
800 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1094 +(((
1095 +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.
1096 +)))
801 801  
802 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1098 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
803 803  
1100 +(((
1101 +To enable the listening mode, use can run the command AT+RXMODE.
1102 +)))
804 804  
805 -* LoRaWAN Downlink Command:
1104 +(((
1105 +
1106 +)))
806 806  
807 -07 01 aa bb  Same as AT+5VT=(aa bb)
1108 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1109 +|=(% style="width: 100px;" %)(((
1110 +**Command example**
1111 +)))|=(% style="width: 400px;" %)(((
1112 +**Function**
1113 +)))
1114 +|(% style="width:100px" %)(((
1115 +AT+RXMODE=1,10
1116 +)))|(% style="width:400px" %)(((
1117 +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.
1118 +)))
1119 +|(% style="width:100px" %)(((
1120 +AT+RXMODE=2,500
1121 +)))|(% style="width:400px" %)(((
1122 +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
1123 +)))
1124 +|(% style="width:100px" %)(((
1125 +AT+RXMODE=0,0
1126 +)))|(% style="width:400px" %)(((
1127 +Disable listening mode. This is the default settings.
1128 +)))
1129 +|(% style="width:100px" %)(((
1130 +
1131 +)))|(% style="width:400px" %)(((
1132 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 +)))
808 808  
809 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1135 +(((
1136 +**Downlink Command:**
1137 +)))
810 810  
1139 +(((
1140 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1141 +)))
811 811  
1143 +(((
1144 +
1145 +)))
812 812  
1147 +(((
1148 +**Example**:
1149 +)))
813 813  
814 -1.
815 -11. Buttons
1151 +(((
1152 +The RS485-LN is set to AT+RXMODE=2,1000
1153 +)))
816 816  
817 -|**Button**|**Feature**
818 -|**RST**|Reboot RS485-BL
1155 +(((
1156 +There is a two Modbus commands in the RS485 network as below:
1157 +)))
819 819  
820 -1.
821 -11. +3V3 Output
1159 +(((
1160 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1161 +)))
822 822  
823 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1163 +(((
1164 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1165 +)))
824 824  
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. 
1167 +(((
1168 +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
1169 +)))
826 826  
1171 +(((
1172 +[[image:image-20220602171200-9.png]]
1173 +)))
827 827  
828 -The +3V3 output time can be controlled by AT Command.
1175 +(((
1176 +
1177 +)))
829 829  
830 -**AT+3V3T=1000**
1179 +(((
1180 +(% 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.
1181 +)))
831 831  
832 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
833 833  
1184 +== 3.7 Buttons ==
834 834  
835 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
836 836  
1187 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1188 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1189 +|(% 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**
1190 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1191 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
837 837  
838 -1.
839 -11. +5V Output
840 840  
841 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1194 +== 3.8 LEDs ==
842 842  
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. 
844 844  
1197 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1198 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1199 +|**PWR**|Always on if there is power
1200 +|**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.
845 845  
846 -The 5V output time can be controlled by AT Command.
1202 += 4. Case Study =
847 847  
848 -**AT+5VT=1000**
1204 +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]]
849 849  
850 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
851 851  
1207 += 5. Use AT Command =
852 852  
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.
1209 +== 5.1 Access AT Command ==
854 854  
1211 +(((
1212 +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.
1213 +)))
855 855  
1215 +[[image:1654162355560-817.png]]
856 856  
857 857  
858 -1.
859 -11. LEDs
1218 +(((
1219 +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:
1220 +)))
860 860  
861 -|**LEDs**|**Feature**
862 -|**LED1**|Blink when device transmit a packet.
1222 +[[image:1654162368066-342.png]]
863 863  
864 -1.
865 -11. Switch Jumper
866 866  
867 -|**Switch Jumper**|**Feature**
868 -|**SW1**|(((
869 -ISP position: Upgrade firmware via UART
870 -
871 -Flash position: Configure device, check running status.
1225 +(((
1226 +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/]]
872 872  )))
873 -|**SW2**|(((
874 -5V position: set to compatible with 5v I/O.
875 875  
876 -3.3v position: set to compatible with 3.3v I/O.,
877 -)))
878 878  
879 -+3.3V: is always ON
880 880  
881 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1231 +== 5.2 Common AT Command Sequence ==
882 882  
883 -1. Case Study
1233 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
884 884  
885 -User can check this URL for some case studies.
1235 +If device has not joined network yet:
886 886  
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]]
1237 +(% class="box infomessage" %)
1238 +(((
1239 +**AT+FDR**
1240 +)))
888 888  
1242 +(% class="box infomessage" %)
1243 +(((
1244 +**AT+NJM=0**
1245 +)))
889 889  
1247 +(% class="box infomessage" %)
1248 +(((
1249 +**ATZ**
1250 +)))
890 890  
891 891  
892 -1. Use AT Command
893 -11. Access AT Command
1253 +If device already joined network:
894 894  
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.
1255 +(% class="box infomessage" %)
1256 +(((
1257 +**AT+NJM=0**
1258 +)))
896 896  
897 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1260 +(% class="box infomessage" %)
1261 +(((
1262 +**ATZ**
1263 +)))
898 898  
899 899  
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:
1266 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
901 901  
902 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
903 903  
1269 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
904 904  
1271 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
905 905  
906 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1273 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
907 907  
1275 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
908 908  
1277 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
909 909  
910 -1.
911 -11. Common AT Command Sequence
912 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1279 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
913 913  
914 -If device has not joined network yet:
1281 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
915 915  
916 -AT+FDR
1283 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
917 917  
918 -AT+NJM=0
1285 +(% 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.
919 919  
920 -ATZ
1287 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
921 921  
922 922  
923 -If device already joined network:
1290 +(% style="color:red" %)**Note:**
924 924  
925 -AT+NJM=0
1292 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1293 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1294 +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.
1295 +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
926 926  
927 -ATZ
1297 +[[image:1654162478620-421.png]]
928 928  
929 -1.
930 -11.
931 -111. Single-channel ABP mode (Use with LG01/LG02)
932 932  
933 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1300 += 6. FAQ =
934 934  
935 -AT+NJM=0 Set to ABP mode
1302 +== 6.1 How to upgrade the image? ==
936 936  
937 -AT+ADR=0 Set the Adaptive Data Rate Off
1304 +(((
1305 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1306 +)))
938 938  
939 -AT+DR=5  Set Data Rate
1308 +* (((
1309 +Support new features
1310 +)))
1311 +* (((
1312 +For bug fix
1313 +)))
1314 +* (((
1315 +Change LoRaWAN bands.
1316 +)))
940 940  
941 -AT+TDC=60000  Set transmit interval to 60 seconds
1318 +(((
1319 +Below shows the hardware connection for how to upload an image to RS485-LN:
1320 +)))
942 942  
943 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1322 +[[image:1654162535040-878.png]]
944 944  
945 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1324 +**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]].
946 946  
947 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1326 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
948 948  
949 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1328 +**Step3: **Open flashloader; choose the correct COM port to update.
950 950  
951 -ATZ          Reset MCU
1330 +(((
1331 +(((
1332 +(% 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.
1333 +)))
1334 +)))
952 952  
953 -**Note:**
954 954  
955 -1. Make sure the device is set to ABP mode in the IoT Server.
956 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
957 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
958 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1337 +[[image:image-20220602175818-12.png]]
959 959  
960 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
961 961  
1340 +[[image:image-20220602175848-13.png]]
962 962  
963 -1. FAQ
964 -11. How to upgrade the image?
965 965  
966 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1343 +[[image:image-20220602175912-14.png]]
967 967  
968 -* Support new features
969 -* For bug fix
970 -* Change LoRaWAN bands.
971 971  
972 -Below shows the hardware connection for how to upload an image to RS485-BL:
1346 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
973 973  
974 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1348 +[[image:image-20220602175638-10.png]]
975 975  
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]].
977 977  
978 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1351 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
979 979  
980 -**Step3: **Open flashloader; choose the correct COM port to update.
1353 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
981 981  
982 982  
983 -|(((
984 -HOLD PRO then press the RST button, SYS will be ON, then click next
985 -)))
1356 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
986 986  
987 -|(((
988 -Board detected
989 -)))
1358 +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"]].
990 990  
991 -|(((
992 -
993 -)))
994 994  
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]]
1361 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
996 996  
1363 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
997 997  
1365 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
998 998  
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]]
1000 1000  
1368 += 7. Trouble Shooting =
1001 1001  
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]]
1370 +== 7.1 Downlink doesn’t work, how to solve it? ==
1003 1003  
1372 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1004 1004  
1005 -1.
1006 -11. How to change the LoRa Frequency Bands/Region?
1007 1007  
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.
1375 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1009 1009  
1377 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1010 1010  
1011 1011  
1012 -1.
1013 -11. How many RS485-Slave can RS485-BL connects?
1380 += 8. Order Info =
1014 1014  
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]].
1382 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1016 1016  
1384 +(% style="color:blue" %)**XXX:**
1017 1017  
1386 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1387 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1388 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1389 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1390 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1391 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1392 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1393 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1394 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1395 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1018 1018  
1397 += 9.Packing Info =
1019 1019  
1020 -1. Trouble Shooting     
1021 -11. Downlink doesn’t work, how to solve it?
1022 1022  
1023 -Please see this link for debug:
1400 +**Package Includes**:
1024 1024  
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]] 
1402 +* RS485-LN x 1
1403 +* Stick Antenna for LoRa RF part x 1
1404 +* Program cable x 1
1026 1026  
1406 +**Dimension and weight**:
1027 1027  
1408 +* Device Size: 13.5 x 7 x 3 cm
1409 +* Device Weight: 105g
1410 +* Package Size / pcs : 14.5 x 8 x 5 cm
1411 +* Weight / pcs : 170g
1028 1028  
1029 -1.
1030 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1413 += 10. FCC Caution for RS485LN-US915 =
1031 1031  
1032 -It might about the channels mapping. Please see for detail.
1415 +(((
1416 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1417 +)))
1033 1033  
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]]
1419 +(((
1420 +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.
1421 +)))
1035 1035  
1423 +(((
1424 +
1425 +)))
1036 1036  
1427 +(((
1428 +**IMPORTANT NOTE:**
1429 +)))
1037 1037  
1038 -1. Order Info
1431 +(((
1432 +**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:
1433 +)))
1039 1039  
1040 -**Part Number: RS485-BL-XXX**
1435 +(((
1436 +—Reorient or relocate the receiving antenna.
1437 +)))
1041 1041  
1042 -**XXX:**
1439 +(((
1440 +—Increase the separation between the equipment and receiver.
1441 +)))
1043 1043  
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
1443 +(((
1444 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1445 +)))
1054 1054  
1055 -1. Packing Info
1447 +(((
1448 +—Consult the dealer or an experienced radio/TV technician for help.
1449 +)))
1056 1056  
1057 -**Package Includes**:
1451 +(((
1452 +
1453 +)))
1058 1058  
1059 -* RS485-BL x 1
1060 -* Stick Antenna for LoRa RF part x 1
1061 -* Program cable x 1
1455 +(((
1456 +**FCC Radiation Exposure Statement:**
1457 +)))
1062 1062  
1063 -**Dimension and weight**:
1459 +(((
1460 +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.
1461 +)))
1064 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 1069  
1070 -1. Support
1464 += 11. Support =
1071 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]]
1466 +* (((
1467 +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.
1468 +)))
1469 +* (((
1470 +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]].
1471 +)))
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