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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)
... ... @@ -490,242 +490,197 @@
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 -==== **Set Payload version** ====
673 -
674 -(((
675 675  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.
676 -)))
677 677  
678 -* (((
679 -**AT Command:**
680 -)))
622 +* AT Command:
681 681  
682 -(% class="box infomessage" %)
683 -(((
684 -(((
685 -**AT+PAYVER: Set PAYVER field = 1**
686 -)))
687 -)))
624 +AT+PAYVER: Set PAYVER field = 1
688 688  
689 -* (((
690 -**Downlink Payload:**
691 -)))
692 692  
693 -(((
694 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
695 -)))
627 +* Downlink Payload:
696 696  
697 -(((
698 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
699 -)))
629 +0xAE 01   à Set PAYVER field =  0x01
700 700  
631 +0xAE 0F   à Set PAYVER field =  0x0F
701 701  
702 702  
634 +==== Set RS485 Sampling Commands ====
703 703  
704 -==== **Set RS485 Sampling Commands** ====
636 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
705 705  
706 -AT+COMMANDx or AT+DATACUTx
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]].
707 707  
708 -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"]].
709 709  
641 +* AT Command:
710 710  
711 -* **AT Command:**
643 +AT+COMMANDx: Configure RS485 read command to sensor.
712 712  
713 -(% class="box infomessage" %)
714 -(((
715 -**AT+COMMANDx: Configure RS485 read command to sensor.**
716 -)))
645 +AT+DATACUTx: Configure how to handle return from RS485 devices.
717 717  
718 -(% class="box infomessage" %)
719 -(((
720 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
721 -)))
647 +AT+SEARCHx: Configure search command
722 722  
723 723  
724 -* **Downlink Payload:**
650 +* Downlink Payload:
725 725  
726 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
652 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
727 727  
728 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
654 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
729 729  
730 730  Format: AF MM NN LL XX XX XX XX YY
731 731  
... ... @@ -732,120 +732,125 @@
732 732  Where:
733 733  
734 734  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
735 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
736 -* LL:  The length of AT+COMMAND or AT+DATACUT command
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
737 737  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
738 -* 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.
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.
739 739  
740 -**Example:**
666 +Example:
741 741  
742 -(% 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
668 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
743 743  
744 -(% 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**
670 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
745 745  
746 -(% 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**
672 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
747 747  
748 748  
675 +0xAB downlink command can be used for set AT+SEARCHx
749 749  
750 -==== **Fast command to handle MODBUS device** ====
677 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
751 751  
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
681 +
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 +
752 752  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]].
753 753  
754 754  This command is valid since v1.3 firmware version
755 755  
756 -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.
757 757  
692 +AT+MBFUN has only two value:
758 758  
759 -**Example:**
694 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
760 760  
761 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
762 -* 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.
763 -* 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.
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.
764 764  
765 -[[image:image-20220602165351-6.png]]
698 +* AT+MBFUN=0: Disable Modbus fast reading.
766 766  
767 -[[image:image-20220602165351-7.png]]
700 +Example:
768 768  
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.
769 769  
706 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
770 770  
771 -==== **RS485 command timeout** ====
772 772  
773 -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]]
774 774  
775 -Default value: 0, range:  0 ~~ 65 seconds
776 776  
777 -* **AT Command:**
712 +* Downlink Commands:
778 778  
779 -(% class="box infomessage" %)
780 -(((
781 -**AT+CMDDLaa=hex(bb cc)*1000**
782 -)))
714 +A9 aa -à Same as AT+MBFUN=aa
783 783  
784 -**Example:**
785 785  
786 -**AT+CMDDL1=1000** to send the open time to 1000ms
717 +==== RS485 command timeout ====
787 787  
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.
788 788  
789 -* **Downlink Payload:**
721 +Default value: 0, range:  0 ~~ 5 seconds
790 790  
791 -**0x AA aa bb cc**
792 792  
793 -Same as: AT+CMDDLaa=hex(bb cc)*1000
724 +* AT Command:
794 794  
795 - **Example:**
726 +AT+CMDDLaa=hex(bb cc)
796 796  
797 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
728 +Example:
798 798  
730 +**AT+CMDDL1=1000** to send the open time to 1000ms
799 799  
800 800  
801 -==== **Uplink payload mode** ====
733 +* Downlink Payload:
802 802  
803 -Define to use one uplink or multiple uplinks for the sampling.
735 +0x AA aa bb cc
804 804  
805 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
737 +Same as: AT+CMDDLaa=hex(bb cc)
806 806  
807 -* **AT Command:**
739 + Example:
808 808  
809 -(% class="box infomessage" %)
810 -(((
811 -**AT+DATAUP=0**
812 -)))
741 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
813 813  
814 -(% class="box infomessage" %)
815 -(((
816 -**AT+DATAUP=1**
817 -)))
818 818  
744 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
819 819  
820 -* **Downlink Payload:**
746 +Define to use one uplink or multiple uplinks for the sampling.
821 821  
822 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
748 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
823 823  
824 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
750 +* AT Command:
825 825  
752 +AT+DATAUP=0
826 826  
754 +AT+DATAUP=1
827 827  
828 -==== **Manually trigger an Uplink** ====
829 829  
830 -Ask device to send an uplink immediately.
757 +* Downlink Payload:
831 831  
832 -* **AT Command:**
759 +0xAD 00   à Same as AT+DATAUP=0
833 833  
834 -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
835 835  
836 836  
837 -* **Downlink Payload:**
764 +==== Manually trigger an Uplink ====
838 838  
839 -**0x08 FF**, RS485-LN will immediately send an uplink.
766 +Ask device to send an uplink immediately.
840 840  
768 +* Downlink Payload:
841 841  
770 +0x08 FF, RS485-BL will immediately send an uplink.
842 842  
843 -==== **Clear RS485 Command** ====
844 844  
773 +==== Clear RS485 Command ====
774 +
845 845  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
846 846  
847 -* **AT Command:**
848 848  
778 +* AT Command:
779 +
849 849  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
850 850  
851 851  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -853,50 +853,43 @@
853 853  Example screen shot after clear all RS485 commands. 
854 854  
855 855  
787 +
856 856  The uplink screen shot is:
857 857  
858 -[[image:1654160691922-496.png]]
790 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
859 859  
860 860  
861 -* **Downlink Payload:**
793 +* Downlink Payload:
862 862  
863 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
795 +0x09 aa bb same as AT+CMDEAR=aa,bb
864 864  
865 865  
798 +==== Set Serial Communication Parameters ====
866 866  
867 -==== **Set Serial Communication Parameters** ====
868 -
869 869  Set the Rs485 serial communication parameters:
870 870  
871 -* **AT Command:**
802 +* AT Command:
872 872  
873 873  Set Baud Rate:
874 874  
875 -(% class="box infomessage" %)
876 -(((
877 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
878 -)))
806 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
879 879  
880 -Set UART Parity
881 881  
882 -(% class="box infomessage" %)
883 -(((
884 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
885 -)))
809 +Set UART parity
886 886  
811 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
812 +
813 +
887 887  Set STOPBIT
888 888  
889 -(% class="box infomessage" %)
890 -(((
891 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
892 -)))
816 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
893 893  
894 894  
895 -* **Downlink Payload:**
819 +* Downlink Payload:
896 896  
897 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
821 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
898 898  
899 -**Example:**
823 +Example:
900 900  
901 901  * A7 01 00 60   same as AT+BAUDR=9600
902 902  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -906,313 +906,287 @@
906 906  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
907 907  
908 908  
909 -== 3.6 Listening mode for RS485 network ==
833 +==== Control output power duration ====
910 910  
911 -This feature support since firmware v1.4
835 +User can set the output power duration before each sampling.
912 912  
913 -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:
914 914  
915 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
839 +Example:
916 916  
917 -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.
918 918  
843 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
919 919  
920 -(% border="1" style="background-color:#ffffcc; width:500px" %)
921 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
922 -|(% 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.
923 -|(% 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
924 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
925 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
926 926  
927 -**Downlink Command:**
846 +* LoRaWAN Downlink Command:
928 928  
929 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
848 +07 01 aa bb  Same as AT+5VT=(aa bb)
930 930  
850 +07 02 aa bb  Same as AT+3V3T=(aa bb)
931 931  
932 -**Example**:
933 933  
934 -The RS485-LN is set to AT+RXMODE=2,1000
935 935  
936 -There is a two Modbus commands in the RS485 network as below:
937 937  
938 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
855 +1.
856 +11. Buttons
939 939  
940 -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
941 941  
942 -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
943 943  
944 -[[image:image-20220602171200-9.png]]
864 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
945 945  
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. 
946 946  
947 -(% 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.
948 948  
869 +The +3V3 output time can be controlled by AT Command.
949 949  
950 -== 3.7 Buttons ==
871 +**AT+3V3T=1000**
951 951  
873 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
952 952  
953 -(% border="1" style="background-color:#f7faff; width:500px" %)
954 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
955 -|**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**
956 -|**RST**|(% style="width:1420px" %)Reboot RS485
957 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
958 958  
959 -== 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
960 960  
961 -(% border="1" style="background-color:#f7faff; width:500px" %)
962 -|=**LEDs**|=**Feature**
963 -|**PWR**|Always on if there is power
964 -|**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.
965 965  
966 -= 4. Case Study =
879 +1.
880 +11. +5V Output
967 967  
968 -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.
969 969  
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. 
970 970  
971 -= 5. Use AT Command =
972 972  
973 -== 5.1 Access AT Command ==
887 +The 5V output time can be controlled by AT Command.
974 974  
975 -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**
976 976  
977 -[[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.
978 978  
979 979  
980 -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.
981 981  
982 -[[image:1654162368066-342.png]]
983 983  
984 984  
985 -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/]]
986 986  
899 +1.
900 +11. LEDs
987 987  
988 -== 5.2 Common AT Command Sequence ==
902 +|**LEDs**|**Feature**
903 +|**LED1**|Blink when device transmit a packet.
989 989  
990 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
905 +1.
906 +11. Switch Jumper
991 991  
992 -If device has not joined network yet:
908 +|**Switch Jumper**|**Feature**
909 +|**SW1**|(((
910 +ISP position: Upgrade firmware via UART
993 993  
994 -(% class="box infomessage" %)
995 -(((
996 -**AT+FDR**
912 +Flash position: Configure device, check running status.
997 997  )))
914 +|**SW2**|(((
915 +5V position: set to compatible with 5v I/O.
998 998  
999 -(% class="box infomessage" %)
1000 -(((
1001 -**AT+NJM=0**
917 +3.3v position: set to compatible with 3.3v I/O.,
1002 1002  )))
1003 1003  
1004 -(% class="box infomessage" %)
1005 -(((
1006 -**ATZ**
1007 -)))
920 ++3.3V: is always ON
1008 1008  
922 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1009 1009  
1010 -If device already joined network:
924 +1. Case Study
1011 1011  
1012 -(% class="box infomessage" %)
1013 -(((
1014 -**AT+NJM=0**
1015 -)))
926 +User can check this URL for some case studies.
1016 1016  
1017 -(% class="box infomessage" %)
1018 -(((
1019 -**ATZ**
1020 -)))
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]]
1021 1021  
1022 1022  
1023 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1024 1024  
1025 1025  
1026 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
933 +1. Use AT Command
934 +11. Access AT Command
1027 1027  
1028 -(% 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.
1029 1029  
1030 -(% 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]]
1031 1031  
1032 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1033 1033  
1034 -(% 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:
1035 1035  
1036 -(% 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]]
1037 1037  
1038 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1039 1039  
1040 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1041 1041  
1042 -(% 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]]
1043 1043  
1044 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1045 1045  
1046 1046  
1047 -(% style="color:red" %)**Note:**
951 +1.
952 +11. Common AT Command Sequence
953 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1048 1048  
1049 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1050 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1051 -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.
1052 -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:
1053 1053  
1054 -[[image:1654162478620-421.png]]
957 +AT+FDR
1055 1055  
959 +AT+NJM=0
1056 1056  
1057 -= 6. FAQ =
961 +ATZ
1058 1058  
1059 -== 6.1 How to upgrade the image? ==
1060 1060  
1061 -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:
1062 1062  
1063 -* Support new features
1064 -* For bug fix
1065 -* Change LoRaWAN bands.
966 +AT+NJM=0
1066 1066  
1067 -Below shows the hardware connection for how to upload an image to RS485-LN:
968 +ATZ
1068 1068  
1069 -[[image:1654162535040-878.png]]
970 +1.
971 +11.
972 +111. Single-channel ABP mode (Use with LG01/LG02)
1070 1070  
1071 -**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
1072 1072  
1073 -**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
1074 1074  
1075 -**Step3: **Open flashloader; choose the correct COM port to update.
978 +AT+ADR=0 Set the Adaptive Data Rate Off
1076 1076  
1077 -(((
1078 -(% 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.
1079 -)))
980 +AT+DR=5  Set Data Rate
1080 1080  
982 +AT+TDC=60000  Set transmit interval to 60 seconds
1081 1081  
1082 -[[image:image-20220602175818-12.png]]
984 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1083 1083  
986 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1084 1084  
1085 -[[image:image-20220602175848-13.png]]
988 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1086 1086  
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.
1087 1087  
1088 -[[image:image-20220602175912-14.png]]
992 +ATZ          Reset MCU
1089 1089  
994 +**Note:**
1090 1090  
1091 -**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
1092 1092  
1093 -[[image:image-20220602175638-10.png]]
1001 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1094 1094  
1095 1095  
1096 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1004 +1. FAQ
1005 +11. How to upgrade the image?
1097 1097  
1098 -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:
1099 1099  
1009 +* Support new features
1010 +* For bug fix
1011 +* Change LoRaWAN bands.
1100 1100  
1101 -== 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:
1102 1102  
1103 -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]]
1104 1104  
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]].
1105 1105  
1106 -== 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/]].
1107 1107  
1108 -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.
1109 1109  
1110 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1111 1111  
1024 +|(((
1025 +HOLD PRO then press the RST button, SYS will be ON, then click next
1026 +)))
1112 1112  
1113 -= 7. Trouble Shooting =
1028 +|(((
1029 +Board detected
1030 +)))
1114 1114  
1115 -== 7.1 Downlink doesn’t work, how to solve it? ==
1032 +|(((
1033 +
1034 +)))
1116 1116  
1117 -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]]
1118 1118  
1119 1119  
1120 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1121 1121  
1122 -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]]
1123 1123  
1124 1124  
1125 -= 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]]
1126 1126  
1127 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1128 1128  
1129 -(% style="color:blue" %)**XXX:**
1046 +1.
1047 +11. How to change the LoRa Frequency Bands/Region?
1130 1130  
1131 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1132 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1133 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1134 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1135 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1136 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1137 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1138 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1139 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1140 -* (% 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.
1141 1141  
1142 1142  
1143 -= 9.Packing Info =
1144 1144  
1053 +1.
1054 +11. How many RS485-Slave can RS485-BL connects?
1145 1145  
1146 -**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]].
1147 1147  
1148 -* RS485-LN x 1
1149 -* Stick Antenna for LoRa RF part x 1
1150 -* Program cable x 1
1151 1151  
1152 -**Dimension and weight**:
1153 1153  
1154 -* Device Size: 13.5 x 7 x 3 cm
1155 -* Device Weight: 105g
1156 -* Package Size / pcs : 14.5 x 8 x 5 cm
1157 -* Weight / pcs : 170g
1158 1158  
1061 +1. Trouble Shooting     
1062 +11. Downlink doesn’t work, how to solve it?
1159 1159  
1160 -= 10. FCC Caution for RS485LN-US915 =
1064 +Please see this link for debug:
1161 1161  
1162 -(((
1163 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1164 -)))
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]] 
1165 1165  
1166 -(((
1167 -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.
1168 -)))
1169 1169  
1170 -(((
1171 -
1172 -)))
1173 1173  
1174 -(((
1175 -**IMPORTANT NOTE:**
1176 -)))
1070 +1.
1071 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1177 1177  
1178 -(((
1179 -**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:
1180 -)))
1073 +It might about the channels mapping. Please see for detail.
1181 1181  
1182 -(((
1183 -—Reorient or relocate the receiving antenna.
1184 -)))
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]]
1185 1185  
1186 -(((
1187 -—Increase the separation between the equipment and receiver.
1188 -)))
1189 1189  
1190 -(((
1191 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1192 -)))
1193 1193  
1194 -(((
1195 -—Consult the dealer or an experienced radio/TV technician for help.
1196 -)))
1079 +1. Order Info
1197 1197  
1198 -(((
1199 -
1200 -)))
1081 +**Part Number: RS485-BL-XXX**
1201 1201  
1202 -(((
1203 -**FCC Radiation Exposure Statement:**
1204 -)))
1083 +**XXX:**
1205 1205  
1206 -(((
1207 -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.
1208 -)))
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
1209 1209  
1096 +1. Packing Info
1210 1210  
1211 -= 11. Support =
1098 +**Package Includes**:
1212 1212  
1213 -* (((
1214 -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.
1215 -)))
1216 -* (((
1217 -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]].
1218 -)))
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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