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on 2022/06/06 11:22
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Summary

Details

Page properties
Content
... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 -)))
48 48  
49 -(((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -90,7 +90,7 @@
90 90  * Preamble detection.
91 91  * 127 dB Dynamic Range RSSI.
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
94 94  
95 95  == 1.3 Features ==
96 96  
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -123,13 +123,9 @@
123 123  
124 124  (((
125 125  (((
126 -(((
127 127  v1.2: Add External Interrupt Pin.
128 -)))
129 129  
130 -(((
131 131  v1.0: Release
132 -)))
133 133  
134 134  
135 135  )))
... ... @@ -157,9 +157,7 @@
157 157  == 3.1 How it works? ==
158 158  
159 159  (((
160 -(((
161 161  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.
162 -)))
163 163  
164 164  
165 165  )))
... ... @@ -183,7 +183,7 @@
183 183  [[image:1653268227651-549.png||height="592" width="720"]]
184 184  
185 185  (((
186 -The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
162 +The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
187 187  )))
188 188  
189 189  (((
... ... @@ -235,7 +235,7 @@
235 235  
236 236  (((
237 237  (((
238 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
214 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
239 239  )))
240 240  
241 241  (((
... ... @@ -249,19 +249,19 @@
249 249  
250 250  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:
251 251  
252 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 -|=(% style="width: 110px;" %)(((
228 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 +|(% style="width:128px" %)(((
254 254  **AT Commands**
255 -)))|=(% style="width: 190px;" %)(((
231 +)))|(% style="width:305px" %)(((
256 256  **Description**
257 -)))|=(% style="width: 190px;" %)(((
233 +)))|(% style="width:346px" %)(((
258 258  **Example**
259 259  )))
260 -|(% style="width:110px" %)(((
236 +|(% style="width:128px" %)(((
261 261  AT+BAUDR
262 -)))|(% style="width:190px" %)(((
238 +)))|(% style="width:305px" %)(((
263 263  Set the baud rate (for RS485 connection). Default Value is: 9600.
264 -)))|(% style="width:190px" %)(((
240 +)))|(% style="width:346px" %)(((
265 265  (((
266 266  AT+BAUDR=9600
267 267  )))
... ... @@ -270,11 +270,11 @@
270 270  Options: (1200,2400,4800,14400,19200,115200)
271 271  )))
272 272  )))
273 -|(% style="width:110px" %)(((
249 +|(% style="width:128px" %)(((
274 274  AT+PARITY
275 -)))|(% style="width:190px" %)(((
251 +)))|(% style="width:305px" %)(((
276 276  Set UART parity (for RS485 connection)
277 -)))|(% style="width:190px" %)(((
253 +)))|(% style="width:346px" %)(((
278 278  (((
279 279  AT+PARITY=0
280 280  )))
... ... @@ -283,9 +283,9 @@
283 283  Option: 0: no parity, 1: odd parity, 2: even parity
284 284  )))
285 285  )))
286 -|(% style="width:110px" %)(((
262 +|(% style="width:128px" %)(((
287 287  AT+STOPBIT
288 -)))|(% style="width:190px" %)(((
264 +)))|(% style="width:305px" %)(((
289 289  (((
290 290  Set serial stopbit (for RS485 connection)
291 291  )))
... ... @@ -293,7 +293,7 @@
293 293  (((
294 294  
295 295  )))
296 -)))|(% style="width:190px" %)(((
272 +)))|(% style="width:346px" %)(((
297 297  (((
298 298  AT+STOPBIT=0 for 1bit
299 299  )))
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -317,18 +317,16 @@
317 317  )))
318 318  )))
319 319  
320 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 -|AT+CFGDEV|(% style="width:110px" %)(((
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" %)(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
324 324  
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
326 326  
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
302 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -374,8 +374,8 @@
374 374  
375 375  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
376 376  
377 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 -|(% style="width:510px" %)(((
349 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 +|(% style="width:722px" %)(((
379 379  **AT+DATACUTx=a,b,c**
380 380  
381 381  * **a: length for the return of AT+COMMAND**
... ... @@ -444,7 +444,6 @@
444 444  
445 445  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
446 446  
447 -
448 448  1. PAYVER: Defined by AT+PAYVER
449 449  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
450 450  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -490,425 +490,322 @@
490 490  
491 491  
492 492  
493 -=== 3.3.6 Uplink on Interrupt ===
464 +1.
465 +11.
466 +111. Uplink on Interrupt
494 494  
495 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
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]]
496 496  
497 -[[image:1654157342174-798.png]]
470 +AT+INTMOD=0  Disable Interrupt
498 498  
499 -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.
472 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
500 500  
474 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
501 501  
502 -== 3.4 Uplink Payload ==
476 +AT+INTMOD=3  Interrupt trigger by rising edge.
503 503  
504 504  
505 -[[image:image-20220606110929-1.png]]
479 +1.
480 +11. Uplink Payload
506 506  
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 +
507 507  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
508 508  
509 509  
510 -== 3.5 Configure RS485-BL via AT or Downlink ==
498 +function Decoder(bytes, port) {
511 511  
512 -(((
513 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 -)))
500 +~/~/Payload Formats of RS485-BL Deceive
515 515  
516 -(((
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 +
517 517  There are two kinds of Commands:
518 -)))
519 519  
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 -)))
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
523 523  
524 -* (((
525 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 -)))
539 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
527 527  
528 -(((
529 -
530 -)))
541 +1.
542 +11.
543 +111. Common Commands:
531 531  
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]]
532 532  
533 -=== 3.5.1 Common Commands ===
534 534  
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]]
548 +1.
549 +11.
550 +111. Sensor related commands:
536 536  
552 +==== Choose Device Type (RS485 or TTL) ====
537 537  
538 -=== 3.5.2 Sensor related commands ===
554 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
539 539  
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.
556 +* AT Command
541 541  
542 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
558 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
543 543  
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)
560 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
545 545  
546 546  
547 -=== 3.5.3 Sensor related commands ===
563 +* Downlink Payload
548 548  
565 +**0A aa**     à same as AT+MOD=aa
549 549  
550 550  
551 551  
552 -==== **RS485 Debug Command** ====
569 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
553 553  
554 -(((
555 -This command is used to configure the RS485 devices; they won’t be used during sampling.
556 -)))
571 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
557 557  
558 -* (((
559 -**AT Command**
560 -)))
573 +* AT Command
561 561  
562 -(% class="box infomessage" %)
563 -(((
564 -(((
565 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
566 -)))
567 -)))
575 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
568 568  
569 -(((
570 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 -)))
577 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
572 572  
573 -* (((
574 -**Downlink Payload**
575 -)))
576 576  
577 -(((
580 +
581 +* Downlink Payload
582 +
578 578  Format: A8 MM NN XX XX XX XX YY
579 -)))
580 580  
581 -(((
582 582  Where:
583 -)))
584 584  
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 -)))
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
598 598  
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 -)))
592 +**Example 1:**
609 609  
610 -(((
611 -**Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 -)))
613 -
614 -(((
615 615  To connect a Modbus Alarm with below commands.
616 -)))
617 617  
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 -)))
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.
621 621  
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 -)))
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.
625 625  
626 -(((
627 627  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 -)))
629 629  
630 -(((
631 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 -)))
602 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
633 633  
634 -(((
635 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 -)))
604 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
637 637  
638 -(((
639 639  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 -)))
641 641  
642 -(((
643 -
644 -)))
645 645  
646 -(((
647 -**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 -)))
609 +**Example 2:**
649 649  
650 -(((
651 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 -)))
611 +Check TTL Sensor return:
653 653  
654 -(((
655 -
656 -)))
613 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
657 657  
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 -)))
661 661  
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 -)))
665 665  
666 -(((
667 - [[image:1654159460680-153.png]]
668 -)))
669 669  
618 +==== Set Payload version ====
670 670  
671 -
672 -
673 -==== **Set Payload version** ====
674 -
675 -(((
676 676  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 -)))
678 678  
679 -* (((
680 -**AT Command:**
681 -)))
622 +* AT Command:
682 682  
683 -(% class="box infomessage" %)
684 -(((
685 -(((
686 -**AT+PAYVER: Set PAYVER field = 1**
687 -)))
688 -)))
624 +AT+PAYVER: Set PAYVER field = 1
689 689  
690 -* (((
691 -**Downlink Payload:**
692 -)))
693 693  
694 -(((
695 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 -)))
627 +* Downlink Payload:
697 697  
698 -(((
699 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 -)))
629 +0xAE 01   à Set PAYVER field =  0x01
701 701  
631 +0xAE 0F   à Set PAYVER field =  0x0F
702 702  
703 703  
634 +==== Set RS485 Sampling Commands ====
704 704  
705 -==== **Set RS485 Sampling Commands** ====
636 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
706 706  
707 -(((
708 -AT+COMMANDx or AT+DATACUTx
709 -)))
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]].
710 710  
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 -)))
714 714  
715 -(((
716 -
717 -)))
641 +* AT Command:
718 718  
719 -* (((
720 -**AT Command:**
721 -)))
643 +AT+COMMANDx: Configure RS485 read command to sensor.
722 722  
723 -(% class="box infomessage" %)
724 -(((
725 -(((
726 -**AT+COMMANDx: Configure RS485 read command to sensor.**
727 -)))
728 -)))
645 +AT+DATACUTx: Configure how to handle return from RS485 devices.
729 729  
730 -(% class="box infomessage" %)
731 -(((
732 -(((
733 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
734 -)))
735 -)))
647 +AT+SEARCHx: Configure search command
736 736  
737 -(((
738 -
739 -)))
740 740  
741 -* (((
742 -**Downlink Payload:**
743 -)))
650 +* Downlink Payload:
744 744  
745 -(((
746 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 -)))
652 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
748 748  
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 -)))
654 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
752 752  
753 -(((
754 754  Format: AF MM NN LL XX XX XX XX YY
755 -)))
756 756  
757 -(((
758 758  Where:
759 -)))
760 760  
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 -)))
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.
776 776  
777 -(((
778 -**Example:**
779 -)))
666 +Example:
780 780  
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 -)))
668 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
784 784  
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 -)))
670 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
788 788  
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 -)))
672 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
792 792  
793 793  
675 +0xAB downlink command can be used for set AT+SEARCHx
794 794  
677 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
795 795  
796 -==== **Fast command to handle MODBUS device** ====
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
797 797  
798 -(((
682 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
683 +
684 +
685 +==== Fast command to handle MODBUS device ====
686 +
799 799  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 -)))
801 801  
802 -(((
803 803  This command is valid since v1.3 firmware version
804 -)))
805 805  
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 -)))
809 809  
810 -(((
811 -
812 -)))
692 +AT+MBFUN has only two value:
813 813  
814 -(((
815 -**Example:**
816 -)))
694 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
817 817  
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 -)))
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.
827 827  
828 -[[image:image-20220602165351-6.png]]
698 +* AT+MBFUN=0: Disable Modbus fast reading.
829 829  
830 -[[image:image-20220602165351-7.png]]
700 +Example:
831 831  
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.
832 832  
706 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
833 833  
834 -==== **RS485 command timeout** ====
835 835  
836 -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.
709 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
837 837  
838 -Default value: 0, range:  0 ~~ 65 seconds
839 839  
840 -* **AT Command:**
712 +* Downlink Commands:
841 841  
842 -(% class="box infomessage" %)
843 -(((
844 -**AT+CMDDLaa=hex(bb cc)*1000**
845 -)))
714 +A9 aa -à Same as AT+MBFUN=aa
846 846  
847 -**Example:**
848 848  
849 -**AT+CMDDL1=1000** to send the open time to 1000ms
717 +==== RS485 command timeout ====
850 850  
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.
851 851  
852 -* **Downlink Payload:**
721 +Default value: 0, range:  0 ~~ 5 seconds
853 853  
854 -**0x AA aa bb cc**
855 855  
856 -Same as: AT+CMDDLaa=hex(bb cc)*1000
724 +* AT Command:
857 857  
858 - **Example:**
726 +AT+CMDDLaa=hex(bb cc)
859 859  
860 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
728 +Example:
861 861  
730 +**AT+CMDDL1=1000** to send the open time to 1000ms
862 862  
863 863  
864 -==== **Uplink payload mode** ====
733 +* Downlink Payload:
865 865  
866 -Define to use one uplink or multiple uplinks for the sampling.
735 +0x AA aa bb cc
867 867  
868 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
737 +Same as: AT+CMDDLaa=hex(bb cc)
869 869  
870 -* **AT Command:**
739 + Example:
871 871  
872 -(% class="box infomessage" %)
873 -(((
874 -**AT+DATAUP=0**
875 -)))
741 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
876 876  
877 -(% class="box infomessage" %)
878 -(((
879 -**AT+DATAUP=1**
880 -)))
881 881  
744 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
882 882  
883 -* **Downlink Payload:**
746 +Define to use one uplink or multiple uplinks for the sampling.
884 884  
885 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
748 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
886 886  
887 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
750 +* AT Command:
888 888  
752 +AT+DATAUP=0
889 889  
754 +AT+DATAUP=1
890 890  
891 -==== **Manually trigger an Uplink** ====
892 892  
893 -Ask device to send an uplink immediately.
757 +* Downlink Payload:
894 894  
895 -* **AT Command:**
759 +0xAD 00   à Same as AT+DATAUP=0
896 896  
897 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
761 +0xAD 01   à Same as AT+DATAUP=1
898 898  
899 899  
900 -* **Downlink Payload:**
764 +==== Manually trigger an Uplink ====
901 901  
902 -**0x08 FF**, RS485-LN will immediately send an uplink.
766 +Ask device to send an uplink immediately.
903 903  
768 +* Downlink Payload:
904 904  
770 +0x08 FF, RS485-BL will immediately send an uplink.
905 905  
906 -==== **Clear RS485 Command** ====
907 907  
773 +==== Clear RS485 Command ====
774 +
908 908  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
909 909  
910 -* **AT Command:**
911 911  
778 +* AT Command:
779 +
912 912  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
913 913  
914 914  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -916,50 +916,43 @@
916 916  Example screen shot after clear all RS485 commands. 
917 917  
918 918  
787 +
919 919  The uplink screen shot is:
920 920  
921 -[[image:1654160691922-496.png]]
790 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
922 922  
923 923  
924 -* **Downlink Payload:**
793 +* Downlink Payload:
925 925  
926 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
795 +0x09 aa bb same as AT+CMDEAR=aa,bb
927 927  
928 928  
798 +==== Set Serial Communication Parameters ====
929 929  
930 -==== **Set Serial Communication Parameters** ====
931 -
932 932  Set the Rs485 serial communication parameters:
933 933  
934 -* **AT Command:**
802 +* AT Command:
935 935  
936 936  Set Baud Rate:
937 937  
938 -(% class="box infomessage" %)
939 -(((
940 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
941 -)))
806 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
942 942  
943 -Set UART Parity
944 944  
945 -(% class="box infomessage" %)
946 -(((
947 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
948 -)))
809 +Set UART parity
949 949  
811 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
812 +
813 +
950 950  Set STOPBIT
951 951  
952 -(% class="box infomessage" %)
953 -(((
954 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
955 -)))
816 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
956 956  
957 957  
958 -* **Downlink Payload:**
819 +* Downlink Payload:
959 959  
960 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
821 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
961 961  
962 -**Example:**
823 +Example:
963 963  
964 964  * A7 01 00 60   same as AT+BAUDR=9600
965 965  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -969,313 +969,287 @@
969 969  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
970 970  
971 971  
972 -== 3.6 Listening mode for RS485 network ==
833 +==== Control output power duration ====
973 973  
974 -This feature support since firmware v1.4
835 +User can set the output power duration before each sampling.
975 975  
976 -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.
837 +* AT Command:
977 977  
978 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
839 +Example:
979 979  
980 -To enable the listening mode, use can run the command AT+RXMODE.
841 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
981 981  
843 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
982 982  
983 -(% border="1" style="background-color:#ffffcc; width:500px" %)
984 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
985 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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.
986 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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
987 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
988 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
989 989  
990 -**Downlink Command:**
846 +* LoRaWAN Downlink Command:
991 991  
992 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
848 +07 01 aa bb  Same as AT+5VT=(aa bb)
993 993  
850 +07 02 aa bb  Same as AT+3V3T=(aa bb)
994 994  
995 -**Example**:
996 996  
997 -The RS485-LN is set to AT+RXMODE=2,1000
998 998  
999 -There is a two Modbus commands in the RS485 network as below:
1000 1000  
1001 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
855 +1.
856 +11. Buttons
1002 1002  
1003 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
858 +|**Button**|**Feature**
859 +|**RST**|Reboot RS485-BL
1004 1004  
1005 -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
861 +1.
862 +11. +3V3 Output
1006 1006  
1007 -[[image:image-20220602171200-9.png]]
864 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1008 1008  
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. 
1009 1009  
1010 -(% 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.
1011 1011  
869 +The +3V3 output time can be controlled by AT Command.
1012 1012  
1013 -== 3.7 Buttons ==
871 +**AT+3V3T=1000**
1014 1014  
873 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1015 1015  
1016 -(% border="1" style="background-color:#f7faff; width:500px" %)
1017 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1018 -|**ACT**|(% style="width:1420px" %)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**
1019 -|**RST**|(% style="width:1420px" %)Reboot RS485
1020 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1021 1021  
1022 -== 3.8 LEDs ==
876 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1023 1023  
1024 -(% border="1" style="background-color:#f7faff; width:500px" %)
1025 -|=**LEDs**|=**Feature**
1026 -|**PWR**|Always on if there is power
1027 -|**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.
1028 1028  
1029 -= 4. Case Study =
879 +1.
880 +11. +5V Output
1030 1030  
1031 -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]]
882 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1032 1032  
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. 
1033 1033  
1034 -= 5. Use AT Command =
1035 1035  
1036 -== 5.1 Access AT Command ==
887 +The 5V output time can be controlled by AT Command.
1037 1037  
1038 -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.
889 +**AT+5VT=1000**
1039 1039  
1040 -[[image:1654162355560-817.png]]
891 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1041 1041  
1042 1042  
1043 -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:
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.
1044 1044  
1045 -[[image:1654162368066-342.png]]
1046 1046  
1047 1047  
1048 -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/]]
1049 1049  
899 +1.
900 +11. LEDs
1050 1050  
1051 -== 5.2 Common AT Command Sequence ==
902 +|**LEDs**|**Feature**
903 +|**LED1**|Blink when device transmit a packet.
1052 1052  
1053 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
905 +1.
906 +11. Switch Jumper
1054 1054  
1055 -If device has not joined network yet:
908 +|**Switch Jumper**|**Feature**
909 +|**SW1**|(((
910 +ISP position: Upgrade firmware via UART
1056 1056  
1057 -(% class="box infomessage" %)
1058 -(((
1059 -**AT+FDR**
912 +Flash position: Configure device, check running status.
1060 1060  )))
914 +|**SW2**|(((
915 +5V position: set to compatible with 5v I/O.
1061 1061  
1062 -(% class="box infomessage" %)
1063 -(((
1064 -**AT+NJM=0**
917 +3.3v position: set to compatible with 3.3v I/O.,
1065 1065  )))
1066 1066  
1067 -(% class="box infomessage" %)
1068 -(((
1069 -**ATZ**
1070 -)))
920 ++3.3V: is always ON
1071 1071  
922 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1072 1072  
1073 -If device already joined network:
924 +1. Case Study
1074 1074  
1075 -(% class="box infomessage" %)
1076 -(((
1077 -**AT+NJM=0**
1078 -)))
926 +User can check this URL for some case studies.
1079 1079  
1080 -(% class="box infomessage" %)
1081 -(((
1082 -**ATZ**
1083 -)))
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]]
1084 1084  
1085 1085  
1086 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1087 1087  
1088 1088  
1089 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
933 +1. Use AT Command
934 +11. Access AT Command
1090 1090  
1091 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
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.
1092 1092  
1093 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
938 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1094 1094  
1095 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1096 1096  
1097 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
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:
1098 1098  
1099 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
943 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1100 1100  
1101 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1102 1102  
1103 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1104 1104  
1105 -(% 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.
947 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1106 1106  
1107 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1108 1108  
1109 1109  
1110 -(% style="color:red" %)**Note:**
951 +1.
952 +11. Common AT Command Sequence
953 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1111 1111  
1112 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1113 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1114 -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.
1115 -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
955 +If device has not joined network yet:
1116 1116  
1117 -[[image:1654162478620-421.png]]
957 +AT+FDR
1118 1118  
959 +AT+NJM=0
1119 1119  
1120 -= 6. FAQ =
961 +ATZ
1121 1121  
1122 -== 6.1 How to upgrade the image? ==
1123 1123  
1124 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
964 +If device already joined network:
1125 1125  
1126 -* Support new features
1127 -* For bug fix
1128 -* Change LoRaWAN bands.
966 +AT+NJM=0
1129 1129  
1130 -Below shows the hardware connection for how to upload an image to RS485-LN:
968 +ATZ
1131 1131  
1132 -[[image:1654162535040-878.png]]
970 +1.
971 +11.
972 +111. Single-channel ABP mode (Use with LG01/LG02)
1133 1133  
1134 -**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]].
974 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1135 1135  
1136 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
976 +AT+NJM=0 Set to ABP mode
1137 1137  
1138 -**Step3: **Open flashloader; choose the correct COM port to update.
978 +AT+ADR=0 Set the Adaptive Data Rate Off
1139 1139  
1140 -(((
1141 -(% 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.
1142 -)))
980 +AT+DR=5  Set Data Rate
1143 1143  
982 +AT+TDC=60000  Set transmit interval to 60 seconds
1144 1144  
1145 -[[image:image-20220602175818-12.png]]
984 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1146 1146  
986 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1147 1147  
1148 -[[image:image-20220602175848-13.png]]
988 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1149 1149  
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.
1150 1150  
1151 -[[image:image-20220602175912-14.png]]
992 +ATZ          Reset MCU
1152 1152  
994 +**Note:**
1153 1153  
1154 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
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
1155 1155  
1156 -[[image:image-20220602175638-10.png]]
1001 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1157 1157  
1158 1158  
1159 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1004 +1. FAQ
1005 +11. How to upgrade the image?
1160 1160  
1161 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1007 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1162 1162  
1009 +* Support new features
1010 +* For bug fix
1011 +* Change LoRaWAN bands.
1163 1163  
1164 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1013 +Below shows the hardware connection for how to upload an image to RS485-BL:
1165 1165  
1166 -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"]].
1015 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1167 1167  
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]].
1168 1168  
1169 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1019 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1170 1170  
1171 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1021 +**Step3: **Open flashloader; choose the correct COM port to update.
1172 1172  
1173 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1174 1174  
1024 +|(((
1025 +HOLD PRO then press the RST button, SYS will be ON, then click next
1026 +)))
1175 1175  
1176 -= 7. Trouble Shooting =
1028 +|(((
1029 +Board detected
1030 +)))
1177 1177  
1178 -== 7.1 Downlink doesn’t work, how to solve it? ==
1032 +|(((
1033 +
1034 +)))
1179 1179  
1180 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
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]]
1181 1181  
1182 1182  
1183 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1184 1184  
1185 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
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]]
1186 1186  
1187 1187  
1188 -= 8. Order Info =
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]]
1189 1189  
1190 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1191 1191  
1192 -(% style="color:blue" %)**XXX:**
1046 +1.
1047 +11. How to change the LoRa Frequency Bands/Region?
1193 1193  
1194 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1195 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1196 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1197 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1198 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1199 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1200 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1201 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1202 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1203 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
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.
1204 1204  
1205 1205  
1206 -= 9.Packing Info =
1207 1207  
1053 +1.
1054 +11. How many RS485-Slave can RS485-BL connects?
1208 1208  
1209 -**Package Includes**:
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]].
1210 1210  
1211 -* RS485-LN x 1
1212 -* Stick Antenna for LoRa RF part x 1
1213 -* Program cable x 1
1214 1214  
1215 -**Dimension and weight**:
1216 1216  
1217 -* Device Size: 13.5 x 7 x 3 cm
1218 -* Device Weight: 105g
1219 -* Package Size / pcs : 14.5 x 8 x 5 cm
1220 -* Weight / pcs : 170g
1221 1221  
1061 +1. Trouble Shooting     
1062 +11. Downlink doesn’t work, how to solve it?
1222 1222  
1223 -= 10. FCC Caution for RS485LN-US915 =
1064 +Please see this link for debug:
1224 1224  
1225 -(((
1226 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1227 -)))
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]] 
1228 1228  
1229 -(((
1230 -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.
1231 -)))
1232 1232  
1233 -(((
1234 -
1235 -)))
1236 1236  
1237 -(((
1238 -**IMPORTANT NOTE:**
1239 -)))
1070 +1.
1071 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1240 1240  
1241 -(((
1242 -**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:
1243 -)))
1073 +It might about the channels mapping. Please see for detail.
1244 1244  
1245 -(((
1246 -—Reorient or relocate the receiving antenna.
1247 -)))
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]]
1248 1248  
1249 -(((
1250 -—Increase the separation between the equipment and receiver.
1251 -)))
1252 1252  
1253 -(((
1254 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1255 -)))
1256 1256  
1257 -(((
1258 -—Consult the dealer or an experienced radio/TV technician for help.
1259 -)))
1079 +1. Order Info
1260 1260  
1261 -(((
1262 -
1263 -)))
1081 +**Part Number: RS485-BL-XXX**
1264 1264  
1265 -(((
1266 -**FCC Radiation Exposure Statement:**
1267 -)))
1083 +**XXX:**
1268 1268  
1269 -(((
1270 -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.
1271 -)))
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
1272 1272  
1096 +1. Packing Info
1273 1273  
1274 -= 11. Support =
1098 +**Package Includes**:
1275 1275  
1276 -* (((
1277 -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.
1278 -)))
1279 -* (((
1280 -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]].
1281 -)))
1100 +* RS485-BL x 1
1101 +* Stick Antenna for LoRa RF part x 1
1102 +* Program cable x 1
1103 +
1104 +**Dimension and weight**:
1105 +
1106 +* Device Size: 13.5 x 7 x 3 cm
1107 +* Device Weight: 105g
1108 +* Package Size / pcs : 14.5 x 8 x 5 cm
1109 +* Weight / pcs : 170g
1110 +
1111 +1. Support
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
1115 +
1116 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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