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From version < 59.5 >
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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  
... ... @@ -90,10 +90,8 @@
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 -
96 -
97 97  == 1.3 Features ==
98 98  
99 99  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -105,8 +105,6 @@
105 105  * Support Modbus protocol
106 106  * Support Interrupt uplink (Since hardware version v1.2)
107 107  
108 -
109 -
110 110  == 1.4 Applications ==
111 111  
112 112  * Smart Buildings & Home Automation
... ... @@ -116,8 +116,6 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
119 -
120 -
121 121  == 1.5 Firmware Change log ==
122 122  
123 123  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -127,13 +127,9 @@
127 127  
128 128  (((
129 129  (((
130 -(((
131 131  v1.2: Add External Interrupt Pin.
132 -)))
133 133  
134 -(((
135 135  v1.0: Release
136 -)))
137 137  
138 138  
139 139  )))
... ... @@ -161,9 +161,7 @@
161 161  == 3.1 How it works? ==
162 162  
163 163  (((
164 -(((
165 165  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.
166 -)))
167 167  
168 168  
169 169  )))
... ... @@ -187,7 +187,7 @@
187 187  [[image:1653268227651-549.png||height="592" width="720"]]
188 188  
189 189  (((
190 -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:
191 191  )))
192 192  
193 193  (((
... ... @@ -239,15 +239,11 @@
239 239  
240 240  (((
241 241  (((
242 -(((
243 -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.
244 244  )))
245 -)))
246 246  
247 247  (((
248 -(((
249 249  (% 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
250 -)))
251 251  
252 252  
253 253  )))
... ... @@ -257,19 +257,19 @@
257 257  
258 258  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:
259 259  
260 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
261 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
262 262  **AT Commands**
263 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
264 264  **Description**
265 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
266 266  **Example**
267 267  )))
268 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
269 269  AT+BAUDR
270 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
271 271  Set the baud rate (for RS485 connection). Default Value is: 9600.
272 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
273 273  (((
274 274  AT+BAUDR=9600
275 275  )))
... ... @@ -278,11 +278,11 @@
278 278  Options: (1200,2400,4800,14400,19200,115200)
279 279  )))
280 280  )))
281 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
282 282  AT+PARITY
283 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
284 284  Set UART parity (for RS485 connection)
285 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
286 286  (((
287 287  AT+PARITY=0
288 288  )))
... ... @@ -291,9 +291,9 @@
291 291  Option: 0: no parity, 1: odd parity, 2: even parity
292 292  )))
293 293  )))
294 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
295 295  AT+STOPBIT
296 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
297 297  (((
298 298  Set serial stopbit (for RS485 connection)
299 299  )))
... ... @@ -301,7 +301,7 @@
301 301  (((
302 302  
303 303  )))
304 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
305 305  (((
306 306  AT+STOPBIT=0 for 1bit
307 307  )))
... ... @@ -315,7 +315,6 @@
315 315  )))
316 316  )))
317 317  
318 -
319 319  === 3.3.2 Configure sensors ===
320 320  
321 321  (((
... ... @@ -324,21 +324,15 @@
324 324  )))
325 325  )))
326 326  
327 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
328 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
329 -|AT+CFGDEV|(% style="width:110px" %)(((
330 -(((
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" %)(((
331 331  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
332 -)))
333 333  
334 -(((
335 335  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
336 -)))
337 337  
338 -(((
339 339  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
340 -)))
341 -)))|(% 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
342 342  
343 343  === 3.3.3 Configure read commands for each sampling ===
344 344  
... ... @@ -385,8 +385,8 @@
385 385  
386 386  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
387 387  
388 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
389 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
390 390  **AT+DATACUTx=a,b,c**
391 391  
392 392  * **a: length for the return of AT+COMMAND**
... ... @@ -455,7 +455,6 @@
455 455  
456 456  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
457 457  
458 -
459 459  1. PAYVER: Defined by AT+PAYVER
460 460  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
461 461  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -512,33 +512,33 @@
512 512  
513 513  == 3.4 Uplink Payload ==
514 514  
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)
515 515  
516 -[[image:image-20220606110929-1.png]]
480 +&
517 517  
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 +
518 518  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
519 519  
520 520  
521 521  == 3.5 Configure RS485-BL via AT or Downlink ==
522 522  
523 -(((
524 524  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
525 -)))
526 526  
527 -(((
528 528  There are two kinds of Commands:
529 -)))
530 530  
531 -* (((
532 -(% 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]]
533 -)))
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]]
534 534  
535 -* (((
536 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
537 -)))
500 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
538 538  
539 -(((
540 -
541 -)))
542 542  
543 543  
544 544  === 3.5.1 Common Commands ===
... ... @@ -546,950 +546,570 @@
546 546  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]]
547 547  
548 548  
549 -=== 3.5.2 Sensor related commands ===
509 +=== 3.5.2 Sensor related commands: ===
550 550  
551 -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) ====
552 552  
553 -[[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.
554 554  
555 -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
556 556  
517 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
557 557  
558 -=== 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.
559 559  
560 560  
522 +* Downlink Payload
561 561  
524 +**0A aa**     à same as AT+MOD=aa
562 562  
563 -==== **RS485 Debug Command** ====
564 564  
565 -(((
566 -This command is used to configure the RS485 devices; they won’t be used during sampling.
567 -)))
568 568  
569 -* (((
570 -**AT Command**
571 -)))
528 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
572 572  
573 -(% class="box infomessage" %)
574 -(((
575 -(((
576 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
577 -)))
578 -)))
530 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
579 579  
580 -(((
581 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
582 -)))
532 +* AT Command
583 583  
584 -* (((
585 -**Downlink Payload**
586 -)))
534 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
587 587  
588 -(((
536 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
537 +
538 +
539 +
540 +* Downlink Payload
541 +
589 589  Format: A8 MM NN XX XX XX XX YY
590 -)))
591 591  
592 -(((
593 593  Where:
594 -)))
595 595  
596 -* (((
597 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
598 -)))
599 -* (((
600 -NN: The length of RS485 command
601 -)))
602 -* (((
603 -XX XX XX XX: RS485 command total NN bytes
604 -)))
605 -* (((
606 -(((
607 -YY: How many bytes will be uplink from the return of this RS485 command,
608 -)))
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
609 609  
610 -* (((
611 -if YY=0, RS485-LN will execute the downlink command without uplink;
612 -)))
613 -* (((
614 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
615 -)))
616 -* (((
617 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
618 -)))
619 -)))
551 +**Example 1:**
620 620  
621 -(((
622 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
623 -)))
624 -
625 -(((
626 626  To connect a Modbus Alarm with below commands.
627 -)))
628 628  
629 -* (((
630 -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.
631 -)))
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.
632 632  
633 -* (((
634 -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.
635 -)))
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.
636 636  
637 -(((
638 638  So if user want to use downlink command to control to RS485 Alarm, he can use:
639 -)))
640 640  
641 -(((
642 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
643 -)))
561 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
644 644  
645 -(((
646 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
647 -)))
563 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
648 648  
649 -(((
650 650  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.
651 -)))
652 652  
653 -(((
654 -
655 -)))
656 656  
657 -(((
658 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
659 -)))
568 +**Example 2:**
660 660  
661 -(((
662 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
663 -)))
570 +Check TTL Sensor return:
664 664  
665 -(((
666 -
667 -)))
572 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
668 668  
669 -(((
670 -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:
671 -)))
672 672  
673 -(((
674 - **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
675 -)))
676 676  
677 -(((
678 - [[image:1654159460680-153.png]]
679 -)))
680 680  
577 +==== Set Payload version ====
681 681  
682 -
683 -
684 -==== **Set Payload version** ====
685 -
686 -(((
687 687  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.
688 -)))
689 689  
690 -* (((
691 -**AT Command:**
692 -)))
581 +* AT Command:
693 693  
694 -(% class="box infomessage" %)
695 -(((
696 -(((
697 -**AT+PAYVER: Set PAYVER field = 1**
698 -)))
699 -)))
583 +AT+PAYVER: Set PAYVER field = 1
700 700  
701 -* (((
702 -**Downlink Payload:**
703 -)))
704 704  
705 -(((
706 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
707 -)))
586 +* Downlink Payload:
708 708  
709 -(((
710 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
711 -)))
588 +0xAE 01   à Set PAYVER field =  0x01
712 712  
590 +0xAE 0F   à Set PAYVER field =  0x0F
713 713  
714 714  
593 +==== Set RS485 Sampling Commands ====
715 715  
716 -==== **Set RS485 Sampling Commands** ====
595 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
717 717  
718 -(((
719 -AT+COMMANDx or AT+DATACUTx
720 -)))
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]].
721 721  
722 -(((
723 -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"]].
724 -)))
725 725  
726 -(((
727 -
728 -)))
600 +* AT Command:
729 729  
730 -* (((
731 -**AT Command:**
732 -)))
602 +AT+COMMANDx: Configure RS485 read command to sensor.
733 733  
734 -(% class="box infomessage" %)
735 -(((
736 -(((
737 -**AT+COMMANDx: Configure RS485 read command to sensor.**
738 -)))
739 -)))
604 +AT+DATACUTx: Configure how to handle return from RS485 devices.
740 740  
741 -(% class="box infomessage" %)
742 -(((
743 -(((
744 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
745 -)))
746 -)))
606 +AT+SEARCHx: Configure search command
747 747  
748 -(((
749 -
750 -)))
751 751  
752 -* (((
753 -**Downlink Payload:**
754 -)))
609 +* Downlink Payload:
755 755  
756 -(((
757 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
758 -)))
611 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
759 759  
760 -(((
761 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
762 -)))
613 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
763 763  
764 -(((
765 765  Format: AF MM NN LL XX XX XX XX YY
766 -)))
767 767  
768 -(((
769 769  Where:
770 -)))
771 771  
772 -* (((
773 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
774 -)))
775 -* (((
776 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
777 -)))
778 -* (((
779 -LL:  The length of AT+COMMAND or AT+DATACUT command
780 -)))
781 -* (((
782 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
783 -)))
784 -* (((
785 -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.
786 -)))
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.
787 787  
788 -(((
789 -**Example:**
790 -)))
625 +Example:
791 791  
792 -(((
793 -(% 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
794 -)))
627 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
795 795  
796 -(((
797 -(% 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**
798 -)))
629 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
799 799  
800 -(((
801 -(% 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**
802 -)))
631 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
803 803  
804 804  
634 +0xAB downlink command can be used for set AT+SEARCHx
805 805  
636 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
806 806  
807 -==== **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
808 808  
809 -(((
810 -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]].
811 -)))
641 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
812 812  
813 -(((
814 -This command is valid since v1.3 firmware version
815 -)))
816 816  
817 -(((
818 -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.
819 -)))
644 +==== Fast command to handle MODBUS device ====
820 820  
821 -(((
822 -
823 -)))
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]].
824 824  
825 -(((
826 -**Example:**
827 -)))
648 +This command is valid since v1.3 firmware version
828 828  
829 -* (((
830 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
831 -)))
832 -* (((
833 -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.
834 -)))
835 -* (((
836 -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.
837 -)))
838 838  
839 -[[image:image-20220602165351-6.png]]
651 +AT+MBFUN has only two value:
840 840  
841 -[[image:image-20220602165351-7.png]]
653 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
842 842  
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.
843 843  
657 +* AT+MBFUN=0: Disable Modbus fast reading.
844 844  
659 +Example:
845 845  
846 -==== **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.
847 847  
848 -(((
849 -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.
850 -)))
665 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
851 851  
852 -(((
853 -Default value: 0, range:  0 ~~ 65 seconds
854 -)))
855 855  
856 -* (((
857 -**AT Command:**
858 -)))
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
859 859  
860 -(% class="box infomessage" %)
861 -(((
862 -(((
863 -**AT+CMDDLaa=hex(bb cc)*1000**
864 -)))
865 -)))
866 866  
867 -(((
868 -**Example:**
869 -)))
671 +* Downlink Commands:
870 870  
871 -(((
872 -**AT+CMDDL1=1000** to send the open time to 1000ms
873 -)))
673 +A9 aa -à Same as AT+MBFUN=aa
874 874  
875 -(((
876 -
877 -)))
878 878  
879 -* (((
880 -**Downlink Payload:**
881 -)))
676 +==== RS485 command timeout ====
882 882  
883 -(((
884 -**0x AA aa bb cc**
885 -)))
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.
886 886  
887 -(((
888 -Same as: AT+CMDDLaa=hex(bb cc)*1000
889 -)))
680 +Default value: 0, range:  0 ~~ 5 seconds
890 890  
891 -(((
892 - **Example:**
893 -)))
894 894  
895 -(((
896 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
897 -)))
683 +* AT Command:
898 898  
685 +AT+CMDDLaa=hex(bb cc)
899 899  
687 +Example:
900 900  
689 +**AT+CMDDL1=1000** to send the open time to 1000ms
901 901  
902 -==== **Uplink payload mode** ====
903 903  
904 -(((
905 -Define to use one uplink or multiple uplinks for the sampling.
906 -)))
692 +* Downlink Payload:
907 907  
908 -(((
909 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
910 -)))
694 +0x AA aa bb cc
911 911  
912 -* (((
913 -**AT Command:**
914 -)))
696 +Same as: AT+CMDDLaa=hex(bb cc)
915 915  
916 -(% class="box infomessage" %)
917 -(((
918 -(((
919 -**AT+DATAUP=0**
920 -)))
921 -)))
698 + Example:
922 922  
923 -(% class="box infomessage" %)
924 -(((
925 -(((
926 -**AT+DATAUP=1**
927 -)))
928 -)))
700 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
929 929  
930 -(((
931 -
932 -)))
933 933  
934 -* (((
935 -**Downlink Payload:**
936 -)))
703 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
937 937  
938 -(((
939 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
940 -)))
705 +Define to use one uplink or multiple uplinks for the sampling.
941 941  
942 -(((
943 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
944 -)))
707 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
945 945  
709 +* AT Command:
946 946  
711 +AT+DATAUP=0
947 947  
713 +AT+DATAUP=1
948 948  
949 -==== **Manually trigger an Uplink** ====
950 950  
951 -(((
952 -Ask device to send an uplink immediately.
953 -)))
716 +* Downlink Payload:
954 954  
955 -* (((
956 -**AT Command:**
957 -)))
718 +0xAD 00   à Same as AT+DATAUP=0
958 958  
959 -(((
960 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
961 -)))
720 +0xAD 01   à Same as AT+DATAUP=1
962 962  
963 -(((
964 -
965 -)))
966 966  
967 -* (((
968 -**Downlink Payload:**
969 -)))
723 +==== Manually trigger an Uplink ====
970 970  
971 -(((
972 -**0x08 FF**, RS485-LN will immediately send an uplink.
973 -)))
725 +Ask device to send an uplink immediately.
974 974  
727 +* Downlink Payload:
975 975  
729 +0x08 FF, RS485-BL will immediately send an uplink.
976 976  
977 977  
978 -==== **Clear RS485 Command** ====
732 +==== Clear RS485 Command ====
979 979  
980 -(((
981 981  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
982 -)))
983 983  
984 -* (((
985 -**AT Command:**
986 -)))
987 987  
988 -(((
737 +* AT Command:
738 +
989 989  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
990 -)))
991 991  
992 -(((
993 993  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
994 -)))
995 995  
996 -(((
997 997  Example screen shot after clear all RS485 commands. 
998 -)))
999 999  
1000 -(((
1001 -
1002 -)))
1003 1003  
1004 -(((
746 +
1005 1005  The uplink screen shot is:
1006 -)))
1007 1007  
1008 -[[image:1654160691922-496.png]]
749 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1009 1009  
1010 1010  
1011 -* (((
1012 -**Downlink Payload:**
1013 -)))
752 +* Downlink Payload:
1014 1014  
1015 -(((
1016 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1017 -)))
754 +0x09 aa bb same as AT+CMDEAR=aa,bb
1018 1018  
1019 1019  
757 +==== Set Serial Communication Parameters ====
1020 1020  
1021 -
1022 -==== **Set Serial Communication Parameters** ====
1023 -
1024 -(((
1025 1025  Set the Rs485 serial communication parameters:
1026 -)))
1027 1027  
1028 -* (((
1029 -**AT Command:**
1030 -)))
761 +* AT Command:
1031 1031  
1032 -(((
1033 1033  Set Baud Rate:
1034 -)))
1035 1035  
1036 -(% class="box infomessage" %)
1037 -(((
1038 -(((
1039 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1040 -)))
1041 -)))
765 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1042 1042  
1043 -(((
1044 -Set UART Parity
1045 -)))
1046 1046  
1047 -(% class="box infomessage" %)
1048 -(((
1049 -(((
1050 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 -)))
1052 -)))
768 +Set UART parity
1053 1053  
1054 -(((
770 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
771 +
772 +
1055 1055  Set STOPBIT
1056 -)))
1057 1057  
1058 -(% class="box infomessage" %)
1059 -(((
1060 -(((
1061 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1062 -)))
1063 -)))
775 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1064 1064  
1065 -(((
1066 -
1067 -)))
1068 1068  
1069 -* (((
1070 -**Downlink Payload:**
1071 -)))
778 +* Downlink Payload:
1072 1072  
1073 -(((
1074 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1075 -)))
780 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1076 1076  
1077 -(((
1078 -**Example:**
1079 -)))
782 +Example:
1080 1080  
1081 -* (((
1082 -A7 01 00 60   same as AT+BAUDR=9600
1083 -)))
1084 -* (((
1085 -A7 01 04 80  same as AT+BAUDR=115200
1086 -)))
784 +* A7 01 00 60   same as AT+BAUDR=9600
785 +* A7 01 04 80  same as AT+BAUDR=115200
1087 1087  
1088 -(((
1089 1089  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1090 -)))
1091 1091  
1092 -(((
1093 1093  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1094 -)))
1095 1095  
1096 1096  
792 +==== Control output power duration ====
1097 1097  
794 +User can set the output power duration before each sampling.
1098 1098  
1099 -== 3.6 Listening mode for RS485 network ==
796 +* AT Command:
1100 1100  
1101 -(((
1102 -This feature support since firmware v1.4
1103 -)))
798 +Example:
1104 1104  
1105 -(((
1106 -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.
1107 -)))
800 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1108 1108  
1109 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
802 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1110 1110  
1111 -(((
1112 -To enable the listening mode, use can run the command AT+RXMODE.
1113 -)))
1114 1114  
1115 -(((
1116 -
1117 -)))
805 +* LoRaWAN Downlink Command:
1118 1118  
1119 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1120 -|=(% style="width: 100px;" %)(((
1121 -**Command example**
1122 -)))|=(% style="width: 400px;" %)(((
1123 -**Function**
1124 -)))
1125 -|(% style="width:100px" %)(((
1126 -AT+RXMODE=1,10
1127 -)))|(% style="width:400px" %)(((
1128 -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.
1129 -)))
1130 -|(% style="width:100px" %)(((
1131 -AT+RXMODE=2,500
1132 -)))|(% style="width:400px" %)(((
1133 -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
1134 -)))
1135 -|(% style="width:100px" %)(((
1136 -AT+RXMODE=0,0
1137 -)))|(% style="width:400px" %)(((
1138 -Disable listening mode. This is the default settings.
1139 -)))
1140 -|(% style="width:100px" %)(((
1141 -
1142 -)))|(% style="width:400px" %)(((
1143 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1144 -)))
807 +07 01 aa bb  Same as AT+5VT=(aa bb)
1145 1145  
1146 -(((
1147 -**Downlink Command:**
1148 -)))
809 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1149 1149  
1150 -(((
1151 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1152 -)))
1153 1153  
1154 -(((
1155 -
1156 -)))
1157 1157  
1158 -(((
1159 -**Example**:
1160 -)))
1161 1161  
1162 -(((
1163 -The RS485-LN is set to AT+RXMODE=2,1000
1164 -)))
814 +1.
815 +11. Buttons
1165 1165  
1166 -(((
1167 -There is a two Modbus commands in the RS485 network as below:
1168 -)))
817 +|**Button**|**Feature**
818 +|**RST**|Reboot RS485-BL
1169 1169  
1170 -(((
1171 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1172 -)))
820 +1.
821 +11. +3V3 Output
1173 1173  
1174 -(((
1175 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1176 -)))
823 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1177 1177  
1178 -(((
1179 -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
1180 -)))
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. 
1181 1181  
1182 -(((
1183 -[[image:image-20220602171200-9.png]]
1184 -)))
1185 1185  
1186 -(((
1187 -
1188 -)))
828 +The +3V3 output time can be controlled by AT Command.
1189 1189  
1190 -(((
1191 -(((
1192 -(% 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.
1193 -)))
1194 -)))
830 +**AT+3V3T=1000**
1195 1195  
832 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1196 1196  
1197 -== 3.7 Buttons ==
1198 1198  
835 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1199 1199  
1200 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1201 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1202 -|(% 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**
1203 -|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1204 -|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1205 1205  
1206 -== 3.8 LEDs ==
838 +1.
839 +11. +5V Output
1207 1207  
841 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1208 1208  
1209 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1210 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1211 -|**PWR**|Always on if there is power
1212 -|**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.
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. 
1213 1213  
1214 -= 4. Case Study =
1215 1215  
1216 -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]]
846 +The 5V output time can be controlled by AT Command.
1217 1217  
848 +**AT+5VT=1000**
1218 1218  
1219 -= 5. Use AT Command =
850 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1220 1220  
1221 -== 5.1 Access AT Command ==
1222 1222  
1223 -(((
1224 -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.
1225 -)))
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.
1226 1226  
1227 -[[image:1654162355560-817.png]]
1228 1228  
1229 1229  
1230 -(((
1231 -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:
1232 -)))
1233 1233  
1234 -[[image:1654162368066-342.png]]
858 +1.
859 +11. LEDs
1235 1235  
861 +|**LEDs**|**Feature**
862 +|**LED1**|Blink when device transmit a packet.
1236 1236  
1237 -(((
1238 -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/]]
864 +1.
865 +11. Switch Jumper
866 +
867 +|**Switch Jumper**|**Feature**
868 +|**SW1**|(((
869 +ISP position: Upgrade firmware via UART
870 +
871 +Flash position: Configure device, check running status.
1239 1239  )))
873 +|**SW2**|(((
874 +5V position: set to compatible with 5v I/O.
1240 1240  
876 +3.3v position: set to compatible with 3.3v I/O.,
877 +)))
1241 1241  
879 ++3.3V: is always ON
1242 1242  
1243 -== 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.
1244 1244  
1245 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
883 +1. Case Study
1246 1246  
1247 -If device has not joined network yet:
885 +User can check this URL for some case studies.
1248 1248  
1249 -(% class="box infomessage" %)
1250 -(((
1251 -**AT+FDR**
1252 -)))
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]]
1253 1253  
1254 -(% class="box infomessage" %)
1255 -(((
1256 -**AT+NJM=0**
1257 -)))
1258 1258  
1259 -(% class="box infomessage" %)
1260 -(((
1261 -**ATZ**
1262 -)))
1263 1263  
1264 1264  
1265 -(((
1266 -If device already joined network:
1267 -)))
892 +1. Use AT Command
893 +11. Access AT Command
1268 1268  
1269 -(% class="box infomessage" %)
1270 -(((
1271 -**AT+NJM=0**
1272 -)))
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.
1273 1273  
1274 -(% class="box infomessage" %)
1275 -(((
1276 -**ATZ**
1277 -)))
897 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1278 1278  
1279 1279  
1280 -=== 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:
1281 1281  
902 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1282 1282  
1283 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1284 1284  
1285 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1286 1286  
1287 -(% 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]]
1288 1288  
1289 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1290 1290  
1291 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1292 1292  
1293 -(% 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)
1294 1294  
1295 -(% 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:
1296 1296  
1297 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
916 +AT+FDR
1298 1298  
1299 -(% 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
1300 1300  
1301 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
920 +ATZ
1302 1302  
1303 1303  
1304 -(% style="color:red" %)**Note:**
923 +If device already joined network:
1305 1305  
1306 -(((
1307 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1308 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1309 -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.
1310 -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
1311 -)))
925 +AT+NJM=0
1312 1312  
1313 -[[image:1654162478620-421.png]]
927 +ATZ
1314 1314  
929 +1.
930 +11.
931 +111. Single-channel ABP mode (Use with LG01/LG02)
1315 1315  
1316 -= 6. FAQ =
933 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1317 1317  
1318 -== 6.1 How to upgrade the image? ==
935 +AT+NJM=0 Set to ABP mode
1319 1319  
1320 -(((
1321 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1322 -)))
937 +AT+ADR=0 Set the Adaptive Data Rate Off
1323 1323  
1324 -* (((
1325 -Support new features
1326 -)))
1327 -* (((
1328 -For bug fix
1329 -)))
1330 -* (((
1331 -Change LoRaWAN bands.
1332 -)))
939 +AT+DR=5  Set Data Rate
1333 1333  
1334 -(((
1335 -Below shows the hardware connection for how to upload an image to RS485-LN:
1336 -)))
941 +AT+TDC=60000  Set transmit interval to 60 seconds
1337 1337  
1338 -[[image:1654162535040-878.png]]
943 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1339 1339  
1340 -(((
1341 -**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]].
1342 -)))
945 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1343 1343  
1344 -(((
1345 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1346 -)))
947 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1347 1347  
1348 -(((
1349 -**Step3: **Open flashloader; choose the correct COM port to update.
1350 -)))
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.
1351 1351  
1352 -(((
1353 -(((
1354 -(((
1355 -(% 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.
1356 -)))
1357 -)))
1358 -)))
951 +ATZ          Reset MCU
1359 1359  
953 +**Note:**
1360 1360  
1361 -[[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
1362 1362  
960 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1363 1363  
1364 -[[image:image-20220602175848-13.png]]
1365 1365  
963 +1. FAQ
964 +11. How to upgrade the image?
1366 1366  
1367 -[[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:
1368 1368  
968 +* Support new features
969 +* For bug fix
970 +* Change LoRaWAN bands.
1369 1369  
1370 -**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:
1371 1371  
1372 -[[image:image-20220602175638-10.png]]
974 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1373 1373  
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]].
1374 1374  
1375 -== 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/]].
1376 1376  
1377 -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.
1378 1378  
1379 1379  
1380 -== 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 +)))
1381 1381  
1382 -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 +)))
1383 1383  
991 +|(((
992 +
993 +)))
1384 1384  
1385 -== 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]]
1386 1386  
1387 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1388 1388  
1389 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1390 1390  
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]]
1391 1391  
1392 -= 7. Trouble Shooting =
1393 1393  
1394 -== 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]]
1395 1395  
1396 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1397 1397  
1005 +1.
1006 +11. How to change the LoRa Frequency Bands/Region?
1398 1398  
1399 -== 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.
1400 1400  
1401 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1402 1402  
1403 1403  
1404 -= 8. Order Info =
1012 +1.
1013 +11. How many RS485-Slave can RS485-BL connects?
1405 1405  
1406 -(% 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]].
1407 1407  
1408 -(% style="color:blue" %)**XXX:**
1409 1409  
1410 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1411 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1412 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1413 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1414 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1415 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1416 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1417 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1418 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1419 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1420 1420  
1421 -= 9.Packing Info =
1422 1422  
1020 +1. Trouble Shooting     
1021 +11. Downlink doesn’t work, how to solve it?
1423 1423  
1424 -**Package Includes**:
1023 +Please see this link for debug:
1425 1425  
1426 -* RS485-LN x 1
1427 -* Stick Antenna for LoRa RF part x 1
1428 -* 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]] 
1429 1429  
1430 -**Dimension and weight**:
1431 1431  
1432 -* Device Size: 13.5 x 7 x 3 cm
1433 -* Device Weight: 105g
1434 -* Package Size / pcs : 14.5 x 8 x 5 cm
1435 -* Weight / pcs : 170g
1436 1436  
1437 -= 10. FCC Caution for RS485LN-US915 =
1029 +1.
1030 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1438 1438  
1439 -(((
1440 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1441 -)))
1032 +It might about the channels mapping. Please see for detail.
1442 1442  
1443 -(((
1444 -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.
1445 -)))
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]]
1446 1446  
1447 -(((
1448 -
1449 -)))
1450 1450  
1451 -(((
1452 -**IMPORTANT NOTE:**
1453 -)))
1454 1454  
1455 -(((
1456 -**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:
1457 -)))
1038 +1. Order Info
1458 1458  
1459 -(((
1460 -—Reorient or relocate the receiving antenna.
1461 -)))
1040 +**Part Number: RS485-BL-XXX**
1462 1462  
1463 -(((
1464 -—Increase the separation between the equipment and receiver.
1465 -)))
1042 +**XXX:**
1466 1466  
1467 -(((
1468 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1469 -)))
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
1470 1470  
1471 -(((
1472 -—Consult the dealer or an experienced radio/TV technician for help.
1473 -)))
1055 +1. Packing Info
1474 1474  
1475 -(((
1476 -
1477 -)))
1057 +**Package Includes**:
1478 1478  
1479 -(((
1480 -**FCC Radiation Exposure Statement:**
1481 -)))
1059 +* RS485-BL x 1
1060 +* Stick Antenna for LoRa RF part x 1
1061 +* Program cable x 1
1482 1482  
1483 -(((
1484 -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.
1485 -)))
1063 +**Dimension and weight**:
1486 1486  
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
1487 1487  
1488 -= 11. Support =
1070 +1. Support
1489 1489  
1490 -* (((
1491 -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.
1492 -)))
1493 -* (((
1494 -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]].
1495 -)))
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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