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... ... @@ -6,12 +6,18 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 +
10 +
9 9  **Table of Contents:**
10 10  
13 +{{toc/}}
11 11  
12 12  
13 13  
14 14  
18 +
19 +
20 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -18,23 +18,33 @@
18 18  
19 19  (((
20 20  (((
27 +(((
21 21  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22 22  )))
30 +)))
23 23  
24 24  (((
33 +(((
25 25  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
26 26  )))
36 +)))
27 27  
28 28  (((
39 +(((
29 29  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
30 30  )))
42 +)))
31 31  
32 32  (((
45 +(((
33 33  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 +)))
34 34  
49 +(((
35 35  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
36 36  )))
37 37  )))
53 +)))
38 38  
39 39  [[image:1653267211009-519.png||height="419" width="724"]]
40 40  
... ... @@ -74,7 +74,7 @@
74 74  * Preamble detection.
75 75  * 127 dB Dynamic Range RSSI.
76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 -* Packet engine up to 256 bytes with CRC.
93 +* Packet engine up to 256 bytes with CRC
78 78  
79 79  == 1.3 Features ==
80 80  
... ... @@ -105,9 +105,13 @@
105 105  
106 106  (((
107 107  (((
124 +(((
108 108  v1.2: Add External Interrupt Pin.
126 +)))
109 109  
128 +(((
110 110  v1.0: Release
130 +)))
111 111  
112 112  
113 113  )))
... ... @@ -135,7 +135,9 @@
135 135  == 3.1 How it works? ==
136 136  
137 137  (((
158 +(((
138 138  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
160 +)))
139 139  
140 140  
141 141  )))
... ... @@ -159,7 +159,7 @@
159 159  [[image:1653268227651-549.png||height="592" width="720"]]
160 160  
161 161  (((
162 -The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
184 +The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
163 163  )))
164 164  
165 165  (((
... ... @@ -211,11 +211,15 @@
211 211  
212 212  (((
213 213  (((
214 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
236 +(((
237 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
215 215  )))
239 +)))
216 216  
217 217  (((
242 +(((
218 218  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
244 +)))
219 219  
220 220  
221 221  )))
... ... @@ -225,19 +225,19 @@
225 225  
226 226  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
227 227  
228 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 -|(% style="width:128px" %)(((
254 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
255 +|=(% style="width: 110px;" %)(((
230 230  **AT Commands**
231 -)))|(% style="width:305px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
232 232  **Description**
233 -)))|(% style="width:346px" %)(((
259 +)))|=(% style="width: 190px;" %)(((
234 234  **Example**
235 235  )))
236 -|(% style="width:128px" %)(((
262 +|(% style="width:110px" %)(((
237 237  AT+BAUDR
238 -)))|(% style="width:305px" %)(((
264 +)))|(% style="width:190px" %)(((
239 239  Set the baud rate (for RS485 connection). Default Value is: 9600.
240 -)))|(% style="width:346px" %)(((
266 +)))|(% style="width:190px" %)(((
241 241  (((
242 242  AT+BAUDR=9600
243 243  )))
... ... @@ -246,11 +246,11 @@
246 246  Options: (1200,2400,4800,14400,19200,115200)
247 247  )))
248 248  )))
249 -|(% style="width:128px" %)(((
275 +|(% style="width:110px" %)(((
250 250  AT+PARITY
251 -)))|(% style="width:305px" %)(((
277 +)))|(% style="width:190px" %)(((
252 252  Set UART parity (for RS485 connection)
253 -)))|(% style="width:346px" %)(((
279 +)))|(% style="width:190px" %)(((
254 254  (((
255 255  AT+PARITY=0
256 256  )))
... ... @@ -259,9 +259,9 @@
259 259  Option: 0: no parity, 1: odd parity, 2: even parity
260 260  )))
261 261  )))
262 -|(% style="width:128px" %)(((
288 +|(% style="width:110px" %)(((
263 263  AT+STOPBIT
264 -)))|(% style="width:305px" %)(((
290 +)))|(% style="width:190px" %)(((
265 265  (((
266 266  Set serial stopbit (for RS485 connection)
267 267  )))
... ... @@ -269,7 +269,7 @@
269 269  (((
270 270  
271 271  )))
272 -)))|(% style="width:346px" %)(((
298 +)))|(% style="width:190px" %)(((
273 273  (((
274 274  AT+STOPBIT=0 for 1bit
275 275  )))
... ... @@ -283,6 +283,7 @@
283 283  )))
284 284  )))
285 285  
312 +
286 286  === 3.3.2 Configure sensors ===
287 287  
288 288  (((
... ... @@ -291,16 +291,17 @@
291 291  )))
292 292  )))
293 293  
294 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296 -|AT+CFGDEV|(% style="width:418px" %)(((
321 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
322 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
323 +|AT+CFGDEV|(% style="width:110px" %)(((
297 297  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
298 298  
299 299  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
300 300  
301 301  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303 303  
331 +
304 304  === 3.3.3 Configure read commands for each sampling ===
305 305  
306 306  (((
... ... @@ -346,8 +346,8 @@
346 346  
347 347  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
348 348  
349 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
351 351  **AT+DATACUTx=a,b,c**
352 352  
353 353  * **a: length for the return of AT+COMMAND**
... ... @@ -416,6 +416,7 @@
416 416  
417 417  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418 418  
447 +
419 419  1. PAYVER: Defined by AT+PAYVER
420 420  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421 421  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -470,641 +470,976 @@
470 470  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.
471 471  
472 472  
473 -1.
474 -11. Uplink Payload
502 +== 3.4 Uplink Payload ==
475 475  
476 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
477 -|Value|(((
478 -Battery(mV)
479 479  
480 -&
505 +[[image:image-20220606110929-1.png]]
481 481  
482 -Interrupt _Flag
483 -)))|(((
484 -PAYLOAD_VER
485 -
486 -
487 -)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
488 -
489 489  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
490 490  
491 491  
492 -function Decoder(bytes, port) {
510 +== 3.5 Configure RS485-BL via AT or Downlink ==
493 493  
494 -~/~/Payload Formats of RS485-BL Deceive
512 +(((
513 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
495 495  
496 -return {
497 -
498 - ~/~/Battery,units:V
499 -
500 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
501 -
502 - ~/~/GPIO_EXTI 
503 -
504 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
505 -
506 - ~/~/payload of version
507 -
508 - Pay_ver:bytes[2],
509 -
510 - };
511 -
512 - }
513 -
514 -
515 -
516 -
517 -
518 -
519 -
520 -TTN V3 uplink screen shot.
521 -
522 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
523 -
524 -1.
525 -11. Configure RS485-BL via AT or Downlink
526 -
527 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
528 -
516 +(((
529 529  There are two kinds of Commands:
518 +)))
530 530  
531 -* **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
520 +* (((
521 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
522 +)))
532 532  
533 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
524 +* (((
525 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 +)))
534 534  
535 -1.
536 -11.
537 -111. Common Commands:
528 +(((
529 +
530 +)))
538 538  
539 -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]]
540 540  
533 +=== 3.5.1 Common Commands ===
541 541  
542 -1.
543 -11.
544 -111. Sensor related commands:
535 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
545 545  
546 -==== Choose Device Type (RS485 or TTL) ====
547 547  
548 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
538 +=== 3.5.2 Sensor related commands ===
549 549  
550 -* AT Command
540 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
551 551  
552 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
542 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
553 553  
554 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
544 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
555 555  
556 556  
557 -* Downlink Payload
547 +=== 3.5.3 Sensor related commands ===
558 558  
559 -**0A aa**     à same as AT+MOD=aa
560 560  
561 561  
562 562  
563 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
552 +==== **RS485 Debug Command** ====
564 564  
565 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
554 +(((
555 +This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
566 566  
567 -* AT Command
558 +* (((
559 +**AT Command**
560 +)))
568 568  
569 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
562 +(% class="box infomessage" %)
563 +(((
564 +(((
565 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
566 +)))
567 +)))
570 570  
571 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
569 +(((
570 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
572 572  
573 +* (((
574 +**Downlink Payload**
575 +)))
573 573  
574 -
575 -* Downlink Payload
576 -
577 +(((
577 577  Format: A8 MM NN XX XX XX XX YY
579 +)))
578 578  
581 +(((
579 579  Where:
583 +)))
580 580  
581 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
582 -* NN: The length of RS485 command
583 -* XX XX XX XX: RS485 command total NN bytes
584 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
585 +* (((
586 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
587 +)))
588 +* (((
589 +NN: The length of RS485 command
590 +)))
591 +* (((
592 +XX XX XX XX: RS485 command total NN bytes
593 +)))
594 +* (((
595 +(((
596 +YY: How many bytes will be uplink from the return of this RS485 command,
597 +)))
585 585  
586 -**Example 1:**
599 +* (((
600 +if YY=0, RS485-LN will execute the downlink command without uplink;
601 +)))
602 +* (((
603 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
604 +)))
605 +* (((
606 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
607 +)))
608 +)))
587 587  
610 +(((
611 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
613 +
614 +(((
588 588  To connect a Modbus Alarm with below commands.
616 +)))
589 589  
590 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
618 +* (((
619 +The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
620 +)))
591 591  
592 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
622 +* (((
623 +The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
624 +)))
593 593  
626 +(((
594 594  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
595 595  
596 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
630 +(((
631 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
597 597  
598 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
634 +(((
635 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
599 599  
638 +(((
600 600  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
640 +)))
601 601  
642 +(((
643 +
644 +)))
602 602  
603 -**Example 2:**
646 +(((
647 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
604 604  
605 -Check TTL Sensor return:
650 +(((
651 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
606 606  
607 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
654 +(((
655 +
656 +)))
608 608  
658 +(((
659 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
660 +)))
609 609  
662 +(((
663 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
664 +)))
610 610  
666 +(((
667 + [[image:1654159460680-153.png]]
668 +)))
611 611  
612 -==== Set Payload version ====
613 613  
671 +
672 +
673 +==== **Set Payload version** ====
674 +
675 +(((
614 614  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
677 +)))
615 615  
616 -* AT Command:
679 +* (((
680 +**AT Command:**
681 +)))
617 617  
618 -AT+PAYVER: Set PAYVER field = 1
683 +(% class="box infomessage" %)
684 +(((
685 +(((
686 +**AT+PAYVER: Set PAYVER field = 1**
687 +)))
688 +)))
619 619  
690 +* (((
691 +**Downlink Payload:**
692 +)))
620 620  
621 -* Downlink Payload:
694 +(((
695 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
622 622  
623 -0xAE 01   à Set PAYVER field =  0x01
698 +(((
699 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
624 624  
625 -0xAE 0F   à Set PAYVER field =  0x0F
626 626  
627 627  
628 -==== Set RS485 Sampling Commands ====
629 629  
630 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
705 +==== **Set RS485 Sampling Commands** ====
631 631  
632 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
707 +(((
708 +AT+COMMANDx or AT+DATACUTx
709 +)))
633 633  
711 +(((
712 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
713 +)))
634 634  
635 -* AT Command:
715 +(((
716 +
717 +)))
636 636  
637 -AT+COMMANDx: Configure RS485 read command to sensor.
719 +* (((
720 +**AT Command:**
721 +)))
638 638  
639 -AT+DATACUTx: Configure how to handle return from RS485 devices.
723 +(% class="box infomessage" %)
724 +(((
725 +(((
726 +**AT+COMMANDx: Configure RS485 read command to sensor.**
727 +)))
728 +)))
640 640  
641 -AT+SEARCHx: Configure search command
730 +(% class="box infomessage" %)
731 +(((
732 +(((
733 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
734 +)))
735 +)))
642 642  
737 +(((
738 +
739 +)))
643 643  
644 -* Downlink Payload:
741 +* (((
742 +**Downlink Payload:**
743 +)))
645 645  
646 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
745 +(((
746 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 +)))
647 647  
648 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
749 +(((
750 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
751 +)))
649 649  
753 +(((
650 650  Format: AF MM NN LL XX XX XX XX YY
755 +)))
651 651  
757 +(((
652 652  Where:
759 +)))
653 653  
654 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
655 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
656 -* LL: The length of AT+COMMAND or AT+DATACUT command
657 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
658 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
761 +* (((
762 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
763 +)))
764 +* (((
765 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
766 +)))
767 +* (((
768 +LL:  The length of AT+COMMAND or AT+DATACUT command
769 +)))
770 +* (((
771 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
772 +)))
773 +* (((
774 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
775 +)))
659 659  
660 -Example:
777 +(((
778 +**Example:**
779 +)))
661 661  
662 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
781 +(((
782 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
783 +)))
663 663  
664 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
785 +(((
786 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
787 +)))
665 665  
666 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
789 +(((
790 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
791 +)))
667 667  
668 668  
669 -0xAB downlink command can be used for set AT+SEARCHx
670 670  
671 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
672 672  
673 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
674 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
796 +==== **Fast command to handle MODBUS device** ====
675 675  
676 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
798 +(((
799 +AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
800 +)))
677 677  
802 +(((
803 +This command is valid since v1.3 firmware version
804 +)))
678 678  
679 -==== Fast command to handle MODBUS device ====
806 +(((
807 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
808 +)))
680 680  
681 -AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
810 +(((
811 +
812 +)))
682 682  
683 -This command is valid since v1.3 firmware version
814 +(((
815 +**Example:**
816 +)))
684 684  
818 +* (((
819 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
820 +)))
821 +* (((
822 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
823 +)))
824 +* (((
825 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
826 +)))
685 685  
686 -AT+MBFUN has only two value:
828 +[[image:image-20220602165351-6.png]]
687 687  
688 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
830 +[[image:image-20220602165351-7.png]]
689 689  
690 -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.
691 691  
692 -* AT+MBFUN=0: Disable Modbus fast reading.
693 693  
694 -Example:
695 695  
696 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
697 -* 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.
698 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
835 +==== **RS485 command timeout** ====
699 699  
700 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
837 +(((
838 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
839 +)))
701 701  
841 +(((
842 +Default value: 0, range:  0 ~~ 65 seconds
843 +)))
702 702  
703 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
845 +* (((
846 +**AT Command:**
847 +)))
704 704  
849 +(% class="box infomessage" %)
850 +(((
851 +(((
852 +**AT+CMDDLaa=hex(bb cc)*1000**
853 +)))
854 +)))
705 705  
706 -* Downlink Commands:
856 +(((
857 +**Example:**
858 +)))
707 707  
708 -A9 aa -à Same as AT+MBFUN=aa
860 +(((
861 +**AT+CMDDL1=1000** to send the open time to 1000ms
862 +)))
709 709  
864 +(((
865 +
866 +)))
710 710  
711 -==== RS485 command timeout ====
868 +* (((
869 +**Downlink Payload:**
870 +)))
712 712  
713 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
872 +(((
873 +**0x AA aa bb cc**
874 +)))
714 714  
715 -Default value: 0, range:  0 ~~ 5 seconds
876 +(((
877 +Same as: AT+CMDDLaa=hex(bb cc)*1000
878 +)))
716 716  
880 +(((
881 + **Example:**
882 +)))
717 717  
718 -* AT Command:
884 +(((
885 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
886 +)))
719 719  
720 -AT+CMDDLaa=hex(bb cc)
721 721  
722 -Example:
723 723  
724 -**AT+CMDDL1=1000** to send the open time to 1000ms
725 725  
891 +==== **Uplink payload mode** ====
726 726  
727 -* Downlink Payload:
893 +(((
894 +Define to use one uplink or multiple uplinks for the sampling.
895 +)))
728 728  
729 -0x AA aa bb cc
897 +(((
898 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
899 +)))
730 730  
731 -Same as: AT+CMDDLaa=hex(bb cc)
901 +* (((
902 +**AT Command:**
903 +)))
732 732  
733 - Example:
905 +(% class="box infomessage" %)
906 +(((
907 +(((
908 +**AT+DATAUP=0**
909 +)))
910 +)))
734 734  
735 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
912 +(% class="box infomessage" %)
913 +(((
914 +(((
915 +**AT+DATAUP=1**
916 +)))
917 +)))
736 736  
919 +(((
920 +
921 +)))
737 737  
738 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
923 +* (((
924 +**Downlink Payload:**
925 +)))
739 739  
740 -Define to use one uplink or multiple uplinks for the sampling.
927 +(((
928 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
929 +)))
741 741  
742 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
931 +(((
932 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
933 +)))
743 743  
744 -* AT Command:
745 745  
746 -AT+DATAUP=0
747 747  
748 -AT+DATAUP=1
749 749  
938 +==== **Manually trigger an Uplink** ====
750 750  
751 -* Downlink Payload:
940 +(((
941 +Ask device to send an uplink immediately.
942 +)))
752 752  
753 -0xAD 00   à Same as AT+DATAUP=0
944 +* (((
945 +**AT Command:**
946 +)))
754 754  
755 -0xAD 01   à Same as AT+DATAUP=1
948 +(((
949 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
950 +)))
756 756  
952 +(((
953 +
954 +)))
757 757  
758 -==== Manually trigger an Uplink ====
956 +* (((
957 +**Downlink Payload:**
958 +)))
759 759  
760 -Ask device to send an uplink immediately.
960 +(((
961 +**0x08 FF**, RS485-LN will immediately send an uplink.
962 +)))
761 761  
762 -* Downlink Payload:
763 763  
764 -0x08 FF, RS485-BL will immediately send an uplink.
765 765  
766 766  
767 -==== Clear RS485 Command ====
967 +==== **Clear RS485 Command** ====
768 768  
969 +(((
769 769  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
971 +)))
770 770  
973 +* (((
974 +**AT Command:**
975 +)))
771 771  
772 -* AT Command:
773 -
977 +(((
774 774  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
979 +)))
775 775  
981 +(((
776 776  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
983 +)))
777 777  
985 +(((
778 778  Example screen shot after clear all RS485 commands. 
987 +)))
779 779  
989 +(((
990 +
991 +)))
780 780  
781 -
993 +(((
782 782  The uplink screen shot is:
995 +)))
783 783  
784 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
997 +[[image:1654160691922-496.png]]
785 785  
786 786  
787 -* Downlink Payload:
1000 +* (((
1001 +**Downlink Payload:**
1002 +)))
788 788  
789 -0x09 aa bb same as AT+CMDEAR=aa,bb
1004 +(((
1005 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1006 +)))
790 790  
791 791  
792 -==== Set Serial Communication Parameters ====
793 793  
1010 +
1011 +==== **Set Serial Communication Parameters** ====
1012 +
1013 +(((
794 794  Set the Rs485 serial communication parameters:
1015 +)))
795 795  
796 -* AT Command:
1017 +* (((
1018 +**AT Command:**
1019 +)))
797 797  
1021 +(((
798 798  Set Baud Rate:
1023 +)))
799 799  
800 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1025 +(% class="box infomessage" %)
1026 +(((
1027 +(((
1028 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1029 +)))
1030 +)))
801 801  
1032 +(((
1033 +Set UART Parity
1034 +)))
802 802  
803 -Set UART parity
1036 +(% class="box infomessage" %)
1037 +(((
1038 +(((
1039 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1040 +)))
1041 +)))
804 804  
805 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
806 -
807 -
1043 +(((
808 808  Set STOPBIT
1045 +)))
809 809  
810 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1047 +(% class="box infomessage" %)
1048 +(((
1049 +(((
1050 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1051 +)))
1052 +)))
811 811  
1054 +(((
1055 +
1056 +)))
812 812  
813 -* Downlink Payload:
1058 +* (((
1059 +**Downlink Payload:**
1060 +)))
814 814  
815 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1062 +(((
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1064 +)))
816 816  
817 -Example:
1066 +(((
1067 +**Example:**
1068 +)))
818 818  
819 -* A7 01 00 60   same as AT+BAUDR=9600
820 -* A7 01 04 80  same as AT+BAUDR=115200
1070 +* (((
1071 +A7 01 00 60   same as AT+BAUDR=9600
1072 +)))
1073 +* (((
1074 +A7 01 04 80  same as AT+BAUDR=115200
1075 +)))
821 821  
1077 +(((
822 822  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1079 +)))
823 823  
1081 +(((
824 824  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1083 +)))
825 825  
826 826  
827 -==== Control output power duration ====
828 828  
829 -User can set the output power duration before each sampling.
830 830  
831 -* AT Command:
1088 +== 3.6 Listening mode for RS485 network ==
832 832  
833 -Example:
1090 +(((
1091 +This feature support since firmware v1.4
1092 +)))
834 834  
835 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1094 +(((
1095 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1096 +)))
836 836  
837 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1098 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
838 838  
1100 +(((
1101 +To enable the listening mode, use can run the command AT+RXMODE.
1102 +)))
839 839  
840 -* LoRaWAN Downlink Command:
1104 +(((
1105 +
1106 +)))
841 841  
842 -07 01 aa bb  Same as AT+5VT=(aa bb)
1108 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1109 +|=(% style="width: 100px;" %)(((
1110 +**Command example**
1111 +)))|=(% style="width: 400px;" %)(((
1112 +**Function**
1113 +)))
1114 +|(% style="width:100px" %)(((
1115 +AT+RXMODE=1,10
1116 +)))|(% style="width:400px" %)(((
1117 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1118 +)))
1119 +|(% style="width:100px" %)(((
1120 +AT+RXMODE=2,500
1121 +)))|(% style="width:400px" %)(((
1122 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1123 +)))
1124 +|(% style="width:100px" %)(((
1125 +AT+RXMODE=0,0
1126 +)))|(% style="width:400px" %)(((
1127 +Disable listening mode. This is the default settings.
1128 +)))
1129 +|(% style="width:100px" %)(((
1130 +
1131 +)))|(% style="width:400px" %)(((
1132 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 +)))
843 843  
844 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1135 +(((
1136 +**Downlink Command:**
1137 +)))
845 845  
1139 +(((
1140 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1141 +)))
846 846  
1143 +(((
1144 +
1145 +)))
847 847  
1147 +(((
1148 +**Example**:
1149 +)))
848 848  
849 -1.
850 -11. Buttons
1151 +(((
1152 +The RS485-LN is set to AT+RXMODE=2,1000
1153 +)))
851 851  
852 -|**Button**|**Feature**
853 -|**RST**|Reboot RS485-BL
1155 +(((
1156 +There is a two Modbus commands in the RS485 network as below:
1157 +)))
854 854  
855 -1.
856 -11. +3V3 Output
1159 +(((
1160 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1161 +)))
857 857  
858 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1163 +(((
1164 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1165 +)))
859 859  
860 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1167 +(((
1168 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1169 +)))
861 861  
1171 +(((
1172 +[[image:image-20220602171200-9.png]]
1173 +)))
862 862  
863 -The +3V3 output time can be controlled by AT Command.
1175 +(((
1176 +
1177 +)))
864 864  
865 -**AT+3V3T=1000**
1179 +(((
1180 +(((
1181 +(% 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.
1182 +)))
1183 +)))
866 866  
867 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
868 868  
1186 +== 3.7 Buttons ==
869 869  
870 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
871 871  
1189 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1190 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1191 +|(% 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**
1192 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1193 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
872 872  
873 -1.
874 -11. +5V Output
875 875  
876 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1196 +== 3.8 LEDs ==
877 877  
878 -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. 
879 879  
1199 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1200 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1201 +|**PWR**|Always on if there is power
1202 +|**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.
880 880  
881 -The 5V output time can be controlled by AT Command.
882 882  
883 -**AT+5VT=1000**
1205 += 4. Case Study =
884 884  
885 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1207 +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]]
886 886  
887 887  
888 -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.
1210 += 5. Use AT Command =
889 889  
1212 +== 5.1 Access AT Command ==
890 890  
1214 +(((
1215 +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.
1216 +)))
891 891  
1218 +[[image:1654162355560-817.png]]
892 892  
893 -1.
894 -11. LEDs
895 895  
896 -|**LEDs**|**Feature**
897 -|**LED1**|Blink when device transmit a packet.
1221 +(((
1222 +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:
1223 +)))
898 898  
899 -1.
900 -11. Switch Jumper
1225 +[[image:1654162368066-342.png]]
901 901  
902 -|**Switch Jumper**|**Feature**
903 -|**SW1**|(((
904 -ISP position: Upgrade firmware via UART
905 905  
906 -Flash position: Configure device, check running status.
1228 +(((
1229 +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/]]
907 907  )))
908 -|**SW2**|(((
909 -5V position: set to compatible with 5v I/O.
910 910  
911 -3.3v position: set to compatible with 3.3v I/O.,
912 -)))
913 913  
914 -+3.3V: is always ON
915 915  
916 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1234 +== 5.2 Common AT Command Sequence ==
917 917  
918 -1. Case Study
1236 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
919 919  
920 -User can check this URL for some case studies.
1238 +If device has not joined network yet:
921 921  
922 -[[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]]
1240 +(% class="box infomessage" %)
1241 +(((
1242 +**AT+FDR**
1243 +)))
923 923  
1245 +(% class="box infomessage" %)
1246 +(((
1247 +**AT+NJM=0**
1248 +)))
924 924  
1250 +(% class="box infomessage" %)
1251 +(((
1252 +**ATZ**
1253 +)))
925 925  
926 926  
927 -1. Use AT Command
928 -11. Access AT Command
1256 +If device already joined network:
929 929  
930 -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.
1258 +(% class="box infomessage" %)
1259 +(((
1260 +**AT+NJM=0**
1261 +)))
931 931  
932 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1263 +(% class="box infomessage" %)
1264 +(((
1265 +**ATZ**
1266 +)))
933 933  
934 934  
935 -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:
1269 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
936 936  
937 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
938 938  
1272 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
939 939  
1274 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
940 940  
941 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1276 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
942 942  
1278 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
943 943  
1280 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
944 944  
945 -1.
946 -11. Common AT Command Sequence
947 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1282 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
948 948  
949 -If device has not joined network yet:
1284 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
950 950  
951 -AT+FDR
1286 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
952 952  
953 -AT+NJM=0
1288 +(% 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.
954 954  
955 -ATZ
1290 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
956 956  
957 957  
958 -If device already joined network:
1293 +(% style="color:red" %)**Note:**
959 959  
960 -AT+NJM=0
1295 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1296 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1297 +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.
1298 +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
961 961  
962 -ATZ
1300 +[[image:1654162478620-421.png]]
963 963  
964 -1.
965 -11.
966 -111. Single-channel ABP mode (Use with LG01/LG02)
967 967  
968 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1303 += 6. FAQ =
969 969  
970 -AT+NJM=0 Set to ABP mode
1305 +== 6.1 How to upgrade the image? ==
971 971  
972 -AT+ADR=0 Set the Adaptive Data Rate Off
1307 +(((
1308 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1309 +)))
973 973  
974 -AT+DR=5  Set Data Rate
1311 +* (((
1312 +Support new features
1313 +)))
1314 +* (((
1315 +For bug fix
1316 +)))
1317 +* (((
1318 +Change LoRaWAN bands.
1319 +)))
975 975  
976 -AT+TDC=60000  Set transmit interval to 60 seconds
1321 +(((
1322 +Below shows the hardware connection for how to upload an image to RS485-LN:
1323 +)))
977 977  
978 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1325 +[[image:1654162535040-878.png]]
979 979  
980 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1327 +**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]].
981 981  
982 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1329 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
983 983  
984 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1331 +**Step3: **Open flashloader; choose the correct COM port to update.
985 985  
986 -ATZ          Reset MCU
1333 +(((
1334 +(((
1335 +(% 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.
1336 +)))
1337 +)))
987 987  
988 -**Note:**
989 989  
990 -1. Make sure the device is set to ABP mode in the IoT Server.
991 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
992 -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.
993 -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
1340 +[[image:image-20220602175818-12.png]]
994 994  
995 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
996 996  
1343 +[[image:image-20220602175848-13.png]]
997 997  
998 -1. FAQ
999 -11. How to upgrade the image?
1000 1000  
1001 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1346 +[[image:image-20220602175912-14.png]]
1002 1002  
1003 -* Support new features
1004 -* For bug fix
1005 -* Change LoRaWAN bands.
1006 1006  
1007 -Below shows the hardware connection for how to upload an image to RS485-BL:
1349 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1008 1008  
1009 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1351 +[[image:image-20220602175638-10.png]]
1010 1010  
1011 -**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]].
1012 1012  
1013 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1354 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1014 1014  
1015 -**Step3: **Open flashloader; choose the correct COM port to update.
1356 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1016 1016  
1017 1017  
1018 -|(((
1019 -HOLD PRO then press the RST button, SYS will be ON, then click next
1020 -)))
1359 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1021 1021  
1022 -|(((
1023 -Board detected
1024 -)))
1361 +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"]].
1025 1025  
1026 -|(((
1027 -
1028 -)))
1029 1029  
1030 -[[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]]
1364 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1031 1031  
1366 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1032 1032  
1368 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1033 1033  
1034 -[[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]]
1035 1035  
1371 += 7. Trouble Shooting =
1036 1036  
1037 -[[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]]
1373 +== 7.1 Downlink doesn’t work, how to solve it? ==
1038 1038  
1375 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1039 1039  
1040 -1.
1041 -11. How to change the LoRa Frequency Bands/Region?
1042 1042  
1043 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1378 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1044 1044  
1380 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1045 1045  
1046 1046  
1047 -1.
1048 -11. How many RS485-Slave can RS485-BL connects?
1383 += 8. Order Info =
1049 1049  
1050 -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]].
1385 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1051 1051  
1387 +(% style="color:blue" %)**XXX:**
1052 1052  
1389 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1390 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1391 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1392 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1393 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1394 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1395 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1396 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1397 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1398 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1053 1053  
1400 += 9.Packing Info =
1054 1054  
1055 -1. Trouble Shooting     
1056 -11. Downlink doesn’t work, how to solve it?
1057 1057  
1058 -Please see this link for debug:
1403 +**Package Includes**:
1059 1059  
1060 -[[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]] 
1405 +* RS485-LN x 1
1406 +* Stick Antenna for LoRa RF part x 1
1407 +* Program cable x 1
1061 1061  
1409 +**Dimension and weight**:
1062 1062  
1411 +* Device Size: 13.5 x 7 x 3 cm
1412 +* Device Weight: 105g
1413 +* Package Size / pcs : 14.5 x 8 x 5 cm
1414 +* Weight / pcs : 170g
1063 1063  
1064 -1.
1065 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1416 += 10. FCC Caution for RS485LN-US915 =
1066 1066  
1067 -It might about the channels mapping. Please see for detail.
1418 +(((
1419 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1420 +)))
1068 1068  
1069 -[[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]]
1422 +(((
1423 +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.
1424 +)))
1070 1070  
1426 +(((
1427 +
1428 +)))
1071 1071  
1430 +(((
1431 +**IMPORTANT NOTE:**
1432 +)))
1072 1072  
1073 -1. Order Info
1434 +(((
1435 +**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:
1436 +)))
1074 1074  
1075 -**Part Number: RS485-BL-XXX**
1438 +(((
1439 +—Reorient or relocate the receiving antenna.
1440 +)))
1076 1076  
1077 -**XXX:**
1442 +(((
1443 +—Increase the separation between the equipment and receiver.
1444 +)))
1078 1078  
1079 -* **EU433**: frequency bands EU433
1080 -* **EU868**: frequency bands EU868
1081 -* **KR920**: frequency bands KR920
1082 -* **CN470**: frequency bands CN470
1083 -* **AS923**: frequency bands AS923
1084 -* **AU915**: frequency bands AU915
1085 -* **US915**: frequency bands US915
1086 -* **IN865**: frequency bands IN865
1087 -* **RU864**: frequency bands RU864
1088 -* **KZ865: **frequency bands KZ865
1446 +(((
1447 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1448 +)))
1089 1089  
1090 -1. Packing Info
1450 +(((
1451 +—Consult the dealer or an experienced radio/TV technician for help.
1452 +)))
1091 1091  
1092 -**Package Includes**:
1454 +(((
1455 +
1456 +)))
1093 1093  
1094 -* RS485-BL x 1
1095 -* Stick Antenna for LoRa RF part x 1
1096 -* Program cable x 1
1458 +(((
1459 +**FCC Radiation Exposure Statement:**
1460 +)))
1097 1097  
1098 -**Dimension and weight**:
1462 +(((
1463 +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.
1464 +)))
1099 1099  
1100 -* Device Size: 13.5 x 7 x 3 cm
1101 -* Device Weight: 105g
1102 -* Package Size / pcs : 14.5 x 8 x 5 cm
1103 -* Weight / pcs : 170g
1104 1104  
1105 -1. Support
1467 += 11. Support =
1106 1106  
1107 -* 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.
1108 -* 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
1109 -
1110 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1469 +* (((
1470 +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.
1471 +)))
1472 +* (((
1473 +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]].
1474 +)))
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