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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  (((
... ... @@ -211,7 +211,7 @@
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 +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  )))
216 216  
217 217  (((
... ... @@ -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" %)(((
250 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
251 +|=(% style="width: 110px;" %)(((
230 230  **AT Commands**
231 -)))|(% style="width:305px" %)(((
253 +)))|=(% style="width: 190px;" %)(((
232 232  **Description**
233 -)))|(% style="width:346px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
234 234  **Example**
235 235  )))
236 -|(% style="width:128px" %)(((
258 +|(% style="width:110px" %)(((
237 237  AT+BAUDR
238 -)))|(% style="width:305px" %)(((
260 +)))|(% style="width:190px" %)(((
239 239  Set the baud rate (for RS485 connection). Default Value is: 9600.
240 -)))|(% style="width:346px" %)(((
262 +)))|(% 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" %)(((
271 +|(% style="width:110px" %)(((
250 250  AT+PARITY
251 -)))|(% style="width:305px" %)(((
273 +)))|(% style="width:190px" %)(((
252 252  Set UART parity (for RS485 connection)
253 -)))|(% style="width:346px" %)(((
275 +)))|(% 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" %)(((
284 +|(% style="width:110px" %)(((
263 263  AT+STOPBIT
264 -)))|(% style="width:305px" %)(((
286 +)))|(% 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" %)(((
294 +)))|(% style="width:190px" %)(((
273 273  (((
274 274  AT+STOPBIT=0 for 1bit
275 275  )))
... ... @@ -291,15 +291,15 @@
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" %)(((
316 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
317 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
318 +|AT+CFGDEV|(% style="width:110px" %)(((
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
324 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303 303  
304 304  === 3.3.3 Configure read commands for each sampling ===
305 305  
... ... @@ -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" %)(((
371 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
372 +|(% 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  
441 +
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)
... ... @@ -461,558 +461,828 @@
461 461  
462 462  
463 463  
464 -1.
465 -11.
466 -111. Uplink on Interrupt
487 +=== 3.3.6 Uplink on Interrupt ===
467 467  
468 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
489 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
469 469  
470 -AT+INTMOD=0  Disable Interrupt
491 +[[image:1654157342174-798.png]]
471 471  
472 -AT+INTMOD=1  Interrupt trigger by rising or falling edge.
493 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
473 473  
474 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
475 475  
476 -AT+INTMOD=3  Interrupt trigger by rising edge.
496 +== 3.4 Uplink Payload ==
477 477  
478 478  
479 -1.
480 -11. Uplink Payload
499 +[[image:image-20220606110929-1.png]]
481 481  
482 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
483 -|Value|(((
484 -Battery(mV)
485 -
486 -&
487 -
488 -Interrupt _Flag
489 -)))|(((
490 -PAYLOAD_VER
491 -
492 -
493 -)))|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.
494 -
495 495  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
496 496  
497 497  
498 -function Decoder(bytes, port) {
504 +== 3.5 Configure RS485-BL via AT or Downlink ==
499 499  
500 -~/~/Payload Formats of RS485-BL Deceive
506 +(((
507 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
508 +)))
501 501  
502 -return {
503 -
504 - ~/~/Battery,units:V
505 -
506 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
507 -
508 - ~/~/GPIO_EXTI 
509 -
510 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
511 -
512 - ~/~/payload of version
513 -
514 - Pay_ver:bytes[2],
515 -
516 - };
517 -
518 - }
519 -
520 -
521 -
522 -
523 -
524 -
525 -
526 -TTN V3 uplink screen shot.
527 -
528 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
529 -
530 -1.
531 -11. Configure RS485-BL via AT or Downlink
532 -
533 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
534 -
510 +(((
535 535  There are two kinds of Commands:
512 +)))
536 536  
537 -* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
514 +* (((
515 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
516 +)))
538 538  
539 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
518 +* (((
519 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
520 +)))
540 540  
541 -1.
542 -11.
543 -111. Common Commands:
522 +(((
523 +
524 +)))
544 544  
545 -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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
546 546  
527 +=== 3.5.1 Common Commands ===
547 547  
548 -1.
549 -11.
550 -111. Sensor related commands:
529 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
551 551  
552 -==== Choose Device Type (RS485 or TTL) ====
553 553  
554 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
532 +=== 3.5.2 Sensor related commands ===
555 555  
556 -* AT Command
534 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
557 557  
558 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
536 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
559 559  
560 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
538 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
561 561  
562 562  
563 -* Downlink Payload
541 +=== 3.5.3 Sensor related commands ===
564 564  
565 -**0A aa**     à same as AT+MOD=aa
566 566  
567 567  
568 568  
569 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
546 +==== **RS485 Debug Command** ====
570 570  
571 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
548 +(((
549 +This command is used to configure the RS485 devices; they won’t be used during sampling.
550 +)))
572 572  
573 -* AT Command
552 +* (((
553 +**AT Command**
554 +)))
574 574  
575 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
556 +(% class="box infomessage" %)
557 +(((
558 +(((
559 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
560 +)))
561 +)))
576 576  
577 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
563 +(((
564 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
565 +)))
578 578  
567 +* (((
568 +**Downlink Payload**
569 +)))
579 579  
580 -
581 -* Downlink Payload
582 -
571 +(((
583 583  Format: A8 MM NN XX XX XX XX YY
573 +)))
584 584  
575 +(((
585 585  Where:
577 +)))
586 586  
587 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
588 -* NN: The length of RS485 command
589 -* XX XX XX XX: RS485 command total NN bytes
590 -* 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
579 +* (((
580 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
581 +)))
582 +* (((
583 +NN: The length of RS485 command
584 +)))
585 +* (((
586 +XX XX XX XX: RS485 command total NN bytes
587 +)))
588 +* (((
589 +(((
590 +YY: How many bytes will be uplink from the return of this RS485 command,
591 +)))
591 591  
592 -**Example 1:**
593 +* (((
594 +if YY=0, RS485-LN will execute the downlink command without uplink;
595 +)))
596 +* (((
597 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
598 +)))
599 +* (((
600 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
601 +)))
602 +)))
593 593  
604 +(((
605 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
606 +)))
607 +
608 +(((
594 594  To connect a Modbus Alarm with below commands.
610 +)))
595 595  
596 -* 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.
612 +* (((
613 +The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
614 +)))
597 597  
598 -* 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.
616 +* (((
617 +The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
618 +)))
599 599  
620 +(((
600 600  So if user want to use downlink command to control to RS485 Alarm, he can use:
622 +)))
601 601  
602 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
624 +(((
625 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
626 +)))
603 603  
604 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
628 +(((
629 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
630 +)))
605 605  
632 +(((
606 606  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
634 +)))
607 607  
636 +(((
637 +
638 +)))
608 608  
609 -**Example 2:**
640 +(((
641 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
642 +)))
610 610  
611 -Check TTL Sensor return:
644 +(((
645 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
646 +)))
612 612  
613 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
648 +(((
649 +
650 +)))
614 614  
652 +(((
653 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
654 +)))
615 615  
656 +(((
657 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
658 +)))
616 616  
660 +(((
661 + [[image:1654159460680-153.png]]
662 +)))
617 617  
618 -==== Set Payload version ====
619 619  
665 +
666 +
667 +==== **Set Payload version** ====
668 +
669 +(((
620 620  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
671 +)))
621 621  
622 -* AT Command:
673 +* (((
674 +**AT Command:**
675 +)))
623 623  
624 -AT+PAYVER: Set PAYVER field = 1
677 +(% class="box infomessage" %)
678 +(((
679 +(((
680 +**AT+PAYVER: Set PAYVER field = 1**
681 +)))
682 +)))
625 625  
684 +* (((
685 +**Downlink Payload:**
686 +)))
626 626  
627 -* Downlink Payload:
688 +(((
689 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
690 +)))
628 628  
629 -0xAE 01   à Set PAYVER field =  0x01
692 +(((
693 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
694 +)))
630 630  
631 -0xAE 0F   à Set PAYVER field =  0x0F
632 632  
633 633  
634 -==== Set RS485 Sampling Commands ====
635 635  
636 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
699 +==== **Set RS485 Sampling Commands** ====
637 637  
638 -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]].
701 +(((
702 +AT+COMMANDx or AT+DATACUTx
703 +)))
639 639  
705 +(((
706 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
707 +)))
640 640  
641 -* AT Command:
709 +(((
710 +
711 +)))
642 642  
643 -AT+COMMANDx: Configure RS485 read command to sensor.
713 +* (((
714 +**AT Command:**
715 +)))
644 644  
645 -AT+DATACUTx: Configure how to handle return from RS485 devices.
717 +(% class="box infomessage" %)
718 +(((
719 +(((
720 +**AT+COMMANDx: Configure RS485 read command to sensor.**
721 +)))
722 +)))
646 646  
647 -AT+SEARCHx: Configure search command
724 +(% class="box infomessage" %)
725 +(((
726 +(((
727 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
728 +)))
729 +)))
648 648  
731 +(((
732 +
733 +)))
649 649  
650 -* Downlink Payload:
735 +* (((
736 +**Downlink Payload:**
737 +)))
651 651  
652 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
739 +(((
740 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
741 +)))
653 653  
654 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
743 +(((
744 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
745 +)))
655 655  
747 +(((
656 656  Format: AF MM NN LL XX XX XX XX YY
749 +)))
657 657  
751 +(((
658 658  Where:
753 +)))
659 659  
660 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
661 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
662 -* LL: The length of AT+COMMAND or AT+DATACUT command
663 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
664 -* 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.
755 +* (((
756 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
757 +)))
758 +* (((
759 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
760 +)))
761 +* (((
762 +LL:  The length of AT+COMMAND or AT+DATACUT command
763 +)))
764 +* (((
765 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
766 +)))
767 +* (((
768 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
769 +)))
665 665  
666 -Example:
771 +(((
772 +**Example:**
773 +)))
667 667  
668 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
775 +(((
776 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
777 +)))
669 669  
670 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
779 +(((
780 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
781 +)))
671 671  
672 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
783 +(((
784 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
785 +)))
673 673  
674 674  
675 -0xAB downlink command can be used for set AT+SEARCHx
676 676  
677 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
678 678  
679 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
680 -* 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
790 +==== **Fast command to handle MODBUS device** ====
681 681  
682 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
792 +(((
793 +AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
794 +)))
683 683  
796 +(((
797 +This command is valid since v1.3 firmware version
798 +)))
684 684  
685 -==== Fast command to handle MODBUS device ====
800 +(((
801 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
802 +)))
686 686  
687 -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]].
804 +(((
805 +
806 +)))
688 688  
689 -This command is valid since v1.3 firmware version
808 +(((
809 +**Example:**
810 +)))
690 690  
812 +* (((
813 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
814 +)))
815 +* (((
816 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
817 +)))
818 +* (((
819 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
820 +)))
691 691  
692 -AT+MBFUN has only two value:
822 +[[image:image-20220602165351-6.png]]
693 693  
694 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
824 +[[image:image-20220602165351-7.png]]
695 695  
696 -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.
697 697  
698 -* AT+MBFUN=0: Disable Modbus fast reading.
699 699  
700 -Example:
701 701  
702 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
703 -* 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.
704 -* 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.
829 +==== **RS485 command timeout** ====
705 705  
706 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
831 +(((
832 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
833 +)))
707 707  
835 +(((
836 +Default value: 0, range:  0 ~~ 65 seconds
837 +)))
708 708  
709 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
839 +* (((
840 +**AT Command:**
841 +)))
710 710  
843 +(% class="box infomessage" %)
844 +(((
845 +(((
846 +**AT+CMDDLaa=hex(bb cc)*1000**
847 +)))
848 +)))
711 711  
712 -* Downlink Commands:
850 +(((
851 +**Example:**
852 +)))
713 713  
714 -A9 aa -à Same as AT+MBFUN=aa
854 +(((
855 +**AT+CMDDL1=1000** to send the open time to 1000ms
856 +)))
715 715  
858 +(((
859 +
860 +)))
716 716  
717 -==== RS485 command timeout ====
862 +* (((
863 +**Downlink Payload:**
864 +)))
718 718  
719 -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.
866 +(((
867 +**0x AA aa bb cc**
868 +)))
720 720  
721 -Default value: 0, range:  0 ~~ 5 seconds
870 +(((
871 +Same as: AT+CMDDLaa=hex(bb cc)*1000
872 +)))
722 722  
874 +(((
875 + **Example:**
876 +)))
723 723  
724 -* AT Command:
878 +(((
879 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
880 +)))
725 725  
726 -AT+CMDDLaa=hex(bb cc)
727 727  
728 -Example:
729 729  
730 -**AT+CMDDL1=1000** to send the open time to 1000ms
731 731  
885 +==== **Uplink payload mode** ====
732 732  
733 -* Downlink Payload:
887 +(((
888 +Define to use one uplink or multiple uplinks for the sampling.
889 +)))
734 734  
735 -0x AA aa bb cc
891 +(((
892 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
893 +)))
736 736  
737 -Same as: AT+CMDDLaa=hex(bb cc)
895 +* (((
896 +**AT Command:**
897 +)))
738 738  
739 - Example:
899 +(% class="box infomessage" %)
900 +(((
901 +(((
902 +**AT+DATAUP=0**
903 +)))
904 +)))
740 740  
741 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
906 +(% class="box infomessage" %)
907 +(((
908 +(((
909 +**AT+DATAUP=1**
910 +)))
911 +)))
742 742  
913 +(((
914 +
915 +)))
743 743  
744 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
917 +* (((
918 +**Downlink Payload:**
919 +)))
745 745  
746 -Define to use one uplink or multiple uplinks for the sampling.
921 +(((
922 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
923 +)))
747 747  
748 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
925 +(((
926 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
927 +)))
749 749  
750 -* AT Command:
751 751  
752 -AT+DATAUP=0
753 753  
754 -AT+DATAUP=1
755 755  
932 +==== **Manually trigger an Uplink** ====
756 756  
757 -* Downlink Payload:
934 +(((
935 +Ask device to send an uplink immediately.
936 +)))
758 758  
759 -0xAD 00   à Same as AT+DATAUP=0
938 +* (((
939 +**AT Command:**
940 +)))
760 760  
761 -0xAD 01   à Same as AT+DATAUP=1
942 +(((
943 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
944 +)))
762 762  
946 +(((
947 +
948 +)))
763 763  
764 -==== Manually trigger an Uplink ====
950 +* (((
951 +**Downlink Payload:**
952 +)))
765 765  
766 -Ask device to send an uplink immediately.
954 +(((
955 +**0x08 FF**, RS485-LN will immediately send an uplink.
956 +)))
767 767  
768 -* Downlink Payload:
769 769  
770 -0x08 FF, RS485-BL will immediately send an uplink.
771 771  
772 772  
773 -==== Clear RS485 Command ====
961 +==== **Clear RS485 Command** ====
774 774  
963 +(((
775 775  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
965 +)))
776 776  
967 +* (((
968 +**AT Command:**
969 +)))
777 777  
778 -* AT Command:
779 -
971 +(((
780 780  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
973 +)))
781 781  
975 +(((
782 782  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 +)))
783 783  
979 +(((
784 784  Example screen shot after clear all RS485 commands. 
981 +)))
785 785  
983 +(((
984 +
985 +)))
786 786  
787 -
987 +(((
788 788  The uplink screen shot is:
989 +)))
789 789  
790 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
991 +[[image:1654160691922-496.png]]
791 791  
792 792  
793 -* Downlink Payload:
994 +* (((
995 +**Downlink Payload:**
996 +)))
794 794  
795 -0x09 aa bb same as AT+CMDEAR=aa,bb
998 +(((
999 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 +)))
796 796  
797 797  
798 -==== Set Serial Communication Parameters ====
799 799  
1004 +
1005 +==== **Set Serial Communication Parameters** ====
1006 +
1007 +(((
800 800  Set the Rs485 serial communication parameters:
1009 +)))
801 801  
802 -* AT Command:
1011 +* (((
1012 +**AT Command:**
1013 +)))
803 803  
1015 +(((
804 804  Set Baud Rate:
1017 +)))
805 805  
806 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1019 +(% class="box infomessage" %)
1020 +(((
1021 +(((
1022 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1023 +)))
1024 +)))
807 807  
1026 +(((
1027 +Set UART Parity
1028 +)))
808 808  
809 -Set UART parity
1030 +(% class="box infomessage" %)
1031 +(((
1032 +(((
1033 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1034 +)))
1035 +)))
810 810  
811 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
812 -
813 -
1037 +(((
814 814  Set STOPBIT
1039 +)))
815 815  
816 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1041 +(% class="box infomessage" %)
1042 +(((
1043 +(((
1044 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1045 +)))
1046 +)))
817 817  
1048 +(((
1049 +
1050 +)))
818 818  
819 -* Downlink Payload:
1052 +* (((
1053 +**Downlink Payload:**
1054 +)))
820 820  
821 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1056 +(((
1057 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 +)))
822 822  
823 -Example:
1060 +(((
1061 +**Example:**
1062 +)))
824 824  
825 -* A7 01 00 60   same as AT+BAUDR=9600
826 -* A7 01 04 80  same as AT+BAUDR=115200
1064 +* (((
1065 +A7 01 00 60   same as AT+BAUDR=9600
1066 +)))
1067 +* (((
1068 +A7 01 04 80  same as AT+BAUDR=115200
1069 +)))
827 827  
1071 +(((
828 828  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 +)))
829 829  
1075 +(((
830 830  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 +)))
831 831  
832 832  
833 -==== Control output power duration ====
834 834  
835 -User can set the output power duration before each sampling.
836 836  
837 -* AT Command:
1082 +== 3.6 Listening mode for RS485 network ==
838 838  
839 -Example:
1084 +(((
1085 +This feature support since firmware v1.4
1086 +)))
840 840  
841 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1088 +(((
1089 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1090 +)))
842 842  
843 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1092 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
844 844  
1094 +(((
1095 +To enable the listening mode, use can run the command AT+RXMODE.
1096 +)))
845 845  
846 -* LoRaWAN Downlink Command:
1098 +(((
1099 +
1100 +)))
847 847  
848 -07 01 aa bb  Same as AT+5VT=(aa bb)
1102 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1103 +|=(% style="width: 161px;" %)(((
1104 +**Command example:**
1105 +)))|=(% style="width: 337px;" %)(((
1106 +**Function**
1107 +)))
1108 +|(% style="width:161px" %)(((
1109 +AT+RXMODE=1,10
1110 +)))|(% style="width:337px" %)(((
1111 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1112 +)))
1113 +|(% style="width:161px" %)(((
1114 +AT+RXMODE=2,500
1115 +)))|(% style="width:337px" %)(((
1116 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1117 +)))
1118 +|(% style="width:161px" %)(((
1119 +AT+RXMODE=0,0
1120 +)))|(% style="width:337px" %)(((
1121 +Disable listening mode. This is the default settings.
1122 +)))
1123 +|(% style="width:161px" %)(((
1124 +
1125 +)))|(% style="width:337px" %)(((
1126 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1127 +)))
849 849  
850 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1129 +(((
1130 +**Downlink Command:**
1131 +)))
851 851  
1133 +(((
1134 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 +)))
852 852  
1137 +(((
1138 +
1139 +)))
853 853  
1141 +(((
1142 +**Example**:
1143 +)))
854 854  
855 -1.
856 -11. Buttons
1145 +(((
1146 +The RS485-LN is set to AT+RXMODE=2,1000
1147 +)))
857 857  
858 -|**Button**|**Feature**
859 -|**RST**|Reboot RS485-BL
1149 +(((
1150 +There is a two Modbus commands in the RS485 network as below:
1151 +)))
860 860  
861 -1.
862 -11. +3V3 Output
1153 +(((
1154 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 +)))
863 863  
864 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1157 +(((
1158 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 +)))
865 865  
866 -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. 
1161 +(((
1162 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1163 +)))
867 867  
1165 +(((
1166 +[[image:image-20220602171200-9.png]]
1167 +)))
868 868  
869 -The +3V3 output time can be controlled by AT Command.
1169 +(((
1170 +
1171 +)))
870 870  
871 -**AT+3V3T=1000**
1173 +(((
1174 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
1175 +)))
872 872  
873 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
874 874  
1178 +== 3.7 Buttons ==
875 875  
876 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
877 877  
1181 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1182 +|=(% style="width: 30px;" %)**Button**|=(% style="width: 355px;" %)**Feature**
1183 +|=(% style="width: 30px;" %)**ACT**|(% style="width:355px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1184 +|=(% style="width: 30px;" %)**RST**|(% style="width:355px" %)Reboot RS485
1185 +|=(% style="width: 30px;" %)**PRO**|(% style="width:355px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
878 878  
879 -1.
880 -11. +5V Output
881 881  
882 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
883 883  
884 -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. 
1189 +== 3.8 LEDs ==
885 885  
1191 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
1192 +|=(% style="width: 30px;" %)**LEDs**|=(% style="width: 400px;" %)**Feature**
1193 +|(% style="width:30px" %)**PWR**|=(% style="width: 400px;" %)Always on if there is power
1194 +|(% style="width:30px" %)**SYS**|=(% style="width: 400px;" %)After device is powered on, the SYS will (% style="color:green" %)fast blink in GREEN (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)on GREEN for 5 seconds(%%). SYS will (% style="color:green" %)blink Blue(%%) on every upload and (% style="color:green" %)blink Green(%%) once receive a downlink message.
886 886  
887 -The 5V output time can be controlled by AT Command.
888 888  
889 -**AT+5VT=1000**
890 890  
891 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1198 += 4. Case Study =
892 892  
1200 +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]]
893 893  
894 -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.
895 895  
1203 += 5. Use AT Command =
896 896  
1205 +== 5.1 Access AT Command ==
897 897  
1207 +(((
1208 +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.
1209 +)))
898 898  
899 -1.
900 -11. LEDs
1211 +[[image:1654162355560-817.png]]
901 901  
902 -|**LEDs**|**Feature**
903 -|**LED1**|Blink when device transmit a packet.
904 904  
905 -1.
906 -11. Switch Jumper
1214 +(((
1215 +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:
1216 +)))
907 907  
908 -|**Switch Jumper**|**Feature**
909 -|**SW1**|(((
910 -ISP position: Upgrade firmware via UART
1218 +[[image:1654162368066-342.png]]
911 911  
912 -Flash position: Configure device, check running status.
913 -)))
914 -|**SW2**|(((
915 -5V position: set to compatible with 5v I/O.
916 916  
917 -3.3v position: set to compatible with 3.3v I/O.,
1221 +(((
1222 +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/]]
918 918  )))
919 919  
920 -+3.3V: is always ON
921 921  
922 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
923 923  
924 -1. Case Study
1227 +== 5.2 Common AT Command Sequence ==
925 925  
926 -User can check this URL for some case studies.
1229 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
927 927  
928 -[[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]]
1231 +If device has not joined network yet:
929 929  
1233 +(% class="box infomessage" %)
1234 +(((
1235 +**AT+FDR**
1236 +)))
930 930  
1238 +(% class="box infomessage" %)
1239 +(((
1240 +**AT+NJM=0**
1241 +)))
931 931  
1243 +(% class="box infomessage" %)
1244 +(((
1245 +**ATZ**
1246 +)))
932 932  
933 -1. Use AT Command
934 -11. Access AT Command
935 935  
936 -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.
1249 +If device already joined network:
937 937  
938 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1251 +(% class="box infomessage" %)
1252 +(((
1253 +**AT+NJM=0**
1254 +)))
939 939  
1256 +(% class="box infomessage" %)
1257 +(((
1258 +**ATZ**
1259 +)))
940 940  
941 -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:
942 942  
943 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1262 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
944 944  
945 945  
1265 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
946 946  
947 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1267 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
948 948  
1269 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
949 949  
1271 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
950 950  
951 -1.
952 -11. Common AT Command Sequence
953 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1273 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
954 954  
955 -If device has not joined network yet:
1275 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
956 956  
957 -AT+FDR
1277 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
958 958  
959 -AT+NJM=0
1279 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
960 960  
961 -ATZ
1281 +(% 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.
962 962  
1283 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
963 963  
964 -If device already joined network:
965 965  
966 -AT+NJM=0
1286 +(% style="color:red" %)**Note:**
967 967  
968 -ATZ
1288 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1289 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1290 +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.
1291 +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
969 969  
970 -1.
971 -11.
972 -111. Single-channel ABP mode (Use with LG01/LG02)
1293 +[[image:1654162478620-421.png]]
973 973  
974 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
975 975  
976 -AT+NJM=0 Set to ABP mode
1296 += 6. FAQ =
977 977  
978 -AT+ADR=0 Set the Adaptive Data Rate Off
1298 +== 6.1 How to upgrade the image? ==
979 979  
980 -AT+DR=5  Set Data Rate
1300 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
981 981  
982 -AT+TDC=60000  Set transmit interval to 60 seconds
983 -
984 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
985 -
986 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
987 -
988 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
989 -
990 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
991 -
992 -ATZ          Reset MCU
993 -
994 -**Note:**
995 -
996 -1. Make sure the device is set to ABP mode in the IoT Server.
997 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
998 -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.
999 -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
1000 -
1001 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1002 -
1003 -
1004 -1. FAQ
1005 -11. How to upgrade the image?
1006 -
1007 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1008 -
1009 1009  * Support new features
1010 1010  * For bug fix
1011 1011  * Change LoRaWAN bands.
1012 1012  
1013 -Below shows the hardware connection for how to upload an image to RS485-BL:
1306 +Below shows the hardware connection for how to upload an image to RS485-LN:
1014 1014  
1015 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1308 +[[image:1654162535040-878.png]]
1016 1016  
1017 1017  **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]].
1018 1018  
... ... @@ -1020,84 +1020,77 @@
1020 1020  
1021 1021  **Step3: **Open flashloader; choose the correct COM port to update.
1022 1022  
1023 -
1024 -|(((
1025 -HOLD PRO then press the RST button, SYS will be ON, then click next
1316 +(((
1317 +(% 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.
1026 1026  )))
1027 1027  
1028 -|(((
1029 -Board detected
1030 -)))
1031 1031  
1032 -|(((
1033 -
1034 -)))
1321 +[[image:image-20220602175818-12.png]]
1035 1035  
1036 -[[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]]
1037 1037  
1324 +[[image:image-20220602175848-13.png]]
1038 1038  
1039 1039  
1040 -[[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]]
1327 +[[image:image-20220602175912-14.png]]
1041 1041  
1042 1042  
1043 -[[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]]
1330 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1044 1044  
1332 +[[image:image-20220602175638-10.png]]
1045 1045  
1046 -1.
1047 -11. How to change the LoRa Frequency Bands/Region?
1048 1048  
1049 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1335 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1050 1050  
1337 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1051 1051  
1052 1052  
1053 -1.
1054 -11. How many RS485-Slave can RS485-BL connects?
1340 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1055 1055  
1056 -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]].
1342 +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"]].
1057 1057  
1058 1058  
1345 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1059 1059  
1347 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1060 1060  
1061 -1. Trouble Shooting     
1062 -11. Downlink doesn’t work, how to solve it?
1349 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1063 1063  
1064 -Please see this link for debug:
1065 1065  
1066 -[[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]] 
1352 += 7. Trouble Shooting =
1067 1067  
1354 +== 7.1 Downlink doesn’t work, how to solve it? ==
1068 1068  
1356 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1069 1069  
1070 -1.
1071 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1072 1072  
1073 -It might about the channels mapping. Please see for detail.
1359 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1074 1074  
1075 -[[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]]
1361 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1076 1076  
1077 1077  
1364 += 8. Order Info =
1078 1078  
1079 -1. Order Info
1366 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1080 1080  
1081 -**Part Number: RS485-BL-XXX**
1368 +(% style="color:blue" %)**XXX:**
1082 1082  
1083 -**XXX:**
1370 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1371 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1372 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1373 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1374 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1375 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1376 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1377 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1378 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1379 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1084 1084  
1085 -* **EU433**: frequency bands EU433
1086 -* **EU868**: frequency bands EU868
1087 -* **KR920**: frequency bands KR920
1088 -* **CN470**: frequency bands CN470
1089 -* **AS923**: frequency bands AS923
1090 -* **AU915**: frequency bands AU915
1091 -* **US915**: frequency bands US915
1092 -* **IN865**: frequency bands IN865
1093 -* **RU864**: frequency bands RU864
1094 -* **KZ865: **frequency bands KZ865
1381 += 9.Packing Info =
1095 1095  
1096 -1. Packing Info
1097 1097  
1098 1098  **Package Includes**:
1099 1099  
1100 -* RS485-BL x 1
1386 +* RS485-LN x 1
1101 1101  * Stick Antenna for LoRa RF part x 1
1102 1102  * Program cable x 1
1103 1103  
... ... @@ -1108,9 +1108,62 @@
1108 1108  * Package Size / pcs : 14.5 x 8 x 5 cm
1109 1109  * Weight / pcs : 170g
1110 1110  
1111 -1. Support
1397 += 10. FCC Caution for RS485LN-US915 =
1112 1112  
1113 -* 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.
1114 -* 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
1399 +(((
1400 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1401 +)))
1115 1115  
1116 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1403 +(((
1404 +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.
1405 +)))
1406 +
1407 +(((
1408 +
1409 +)))
1410 +
1411 +(((
1412 +**IMPORTANT NOTE:**
1413 +)))
1414 +
1415 +(((
1416 +**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:
1417 +)))
1418 +
1419 +(((
1420 +—Reorient or relocate the receiving antenna.
1421 +)))
1422 +
1423 +(((
1424 +—Increase the separation between the equipment and receiver.
1425 +)))
1426 +
1427 +(((
1428 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1429 +)))
1430 +
1431 +(((
1432 +—Consult the dealer or an experienced radio/TV technician for help.
1433 +)))
1434 +
1435 +(((
1436 +
1437 +)))
1438 +
1439 +(((
1440 +**FCC Radiation Exposure Statement:**
1441 +)))
1442 +
1443 +(((
1444 +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.
1445 +)))
1446 +
1447 +
1448 += 11. Support =
1449 +
1450 +* (((
1451 +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.
1452 +)))
1453 +* (((
1454 +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]].
1455 +)))
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