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... ... @@ -6,18 +6,12 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 -
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 -
20 -
21 21  = 1.Introduction =
22 22  
23 23  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
47 -)))
48 48  
49 -(((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -90,7 +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)
... ... @@ -499,234 +499,182 @@
499 499  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.
500 500  
501 501  
502 -== 3.4 Uplink Payload ==
473 +1.
474 +11. Uplink Payload
503 503  
476 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
477 +|Value|(((
478 +Battery(mV)
504 504  
505 -[[image:image-20220606110929-1.png]]
480 +&
506 506  
482 +Interrupt _Flag
483 +)))|(((
484 +PAYLOAD_VER
485 +
486 +
487 +)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
488 +
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 ==
492 +function Decoder(bytes, port) {
511 511  
512 -(((
513 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 -)))
494 +~/~/Payload Formats of RS485-BL Deceive
515 515  
516 -(((
496 +return {
497 +
498 + ~/~/Battery,units:V
499 +
500 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
501 +
502 + ~/~/GPIO_EXTI 
503 +
504 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
505 +
506 + ~/~/payload of version
507 +
508 + Pay_ver:bytes[2],
509 +
510 + };
511 +
512 + }
513 +
514 +
515 +
516 +
517 +
518 +
519 +
520 +TTN V3 uplink screen shot.
521 +
522 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
523 +
524 +1.
525 +11. Configure RS485-BL via AT or Downlink
526 +
527 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
528 +
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 -)))
531 +* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
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 -)))
533 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
527 527  
528 -(((
529 -
530 -)))
535 +1.
536 +11.
537 +111. Common Commands:
531 531  
539 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
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]]
542 +1.
543 +11.
544 +111. Sensor related commands:
536 536  
546 +==== Choose Device Type (RS485 or TTL) ====
537 537  
538 -=== 3.5.2 Sensor related commands ===
548 +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.
550 +* AT Command
541 541  
542 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
552 +**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)
554 +**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 ===
557 +* Downlink Payload
548 548  
559 +**0A aa**     à same as AT+MOD=aa
549 549  
550 550  
551 551  
552 -==== **RS485 Debug Command** ====
563 +==== [[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 -)))
565 +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 -)))
567 +* 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 -)))
569 +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 -)))
571 +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 -(((
574 +
575 +* Downlink Payload
576 +
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 -)))
581 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
582 +* NN: The length of RS485 command
583 +* XX XX XX XX: RS485 command total NN bytes
584 +* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
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 -)))
586 +**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 -)))
590 +* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
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 -)))
592 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
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 -)))
596 +**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 -)))
598 +**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 -)))
603 +**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 -)))
605 +Check TTL Sensor return:
653 653  
654 -(((
655 -
656 -)))
607 +[[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  
612 +==== 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 -)))
616 +* AT Command:
682 682  
683 -(% class="box infomessage" %)
684 -(((
685 -(((
686 -**AT+PAYVER: Set PAYVER field = 1**
687 -)))
688 -)))
618 +AT+PAYVER: Set PAYVER field = 1
689 689  
690 -* (((
691 -**Downlink Payload:**
692 -)))
693 693  
694 -(((
695 -**0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 -)))
621 +* Downlink Payload:
697 697  
698 -(((
699 -**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 -)))
623 +0xAE 01   à Set PAYVER field =  0x01
701 701  
625 +0xAE 0F   à Set PAYVER field =  0x0F
702 702  
703 703  
628 +==== Set RS485 Sampling Commands ====
704 704  
705 -==== **Set RS485 Sampling Commands** ====
630 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
706 706  
707 -AT+COMMANDx or AT+DATACUTx
632 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
708 708  
709 -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"]].
710 710  
635 +* AT Command:
711 711  
712 -* **AT Command:**
637 +AT+COMMANDx: Configure RS485 read command to sensor.
713 713  
714 -(% class="box infomessage" %)
715 -(((
716 -**AT+COMMANDx: Configure RS485 read command to sensor.**
717 -)))
639 +AT+DATACUTx: Configure how to handle return from RS485 devices.
718 718  
719 -(% class="box infomessage" %)
720 -(((
721 -**AT+DATACUTx: Configure how to handle return from RS485 devices.**
722 -)))
641 +AT+SEARCHx: Configure search command
723 723  
724 724  
725 -* **Downlink Payload:**
644 +* Downlink Payload:
726 726  
727 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
646 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
728 728  
729 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
648 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
730 730  
731 731  Format: AF MM NN LL XX XX XX XX YY
732 732  
... ... @@ -733,120 +733,125 @@
733 733  Where:
734 734  
735 735  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
736 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
737 -* LL:  The length of AT+COMMAND or AT+DATACUT command
655 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
656 +* LL: The length of AT+COMMAND or AT+DATACUT command
738 738  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
739 -* 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.
658 +* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
740 740  
741 -**Example:**
660 +Example:
742 742  
743 -(% 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
662 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
744 744  
745 -(% 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**
664 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
746 746  
747 -(% 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**
666 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
748 748  
749 749  
669 +0xAB downlink command can be used for set AT+SEARCHx
750 750  
751 -==== **Fast command to handle MODBUS device** ====
671 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
752 752  
673 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
674 +* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
675 +
676 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
677 +
678 +
679 +==== Fast command to handle MODBUS device ====
680 +
753 753  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]].
754 754  
755 755  This command is valid since v1.3 firmware version
756 756  
757 -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.
758 758  
686 +AT+MBFUN has only two value:
759 759  
760 -**Example:**
688 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
761 761  
762 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
763 -* 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.
764 -* 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.
690 +AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
765 765  
766 -[[image:image-20220602165351-6.png]]
692 +* AT+MBFUN=0: Disable Modbus fast reading.
767 767  
768 -[[image:image-20220602165351-7.png]]
694 +Example:
769 769  
696 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
697 +* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
698 +* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
770 770  
700 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
771 771  
772 -==== **RS485 command timeout** ====
773 773  
774 -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.
703 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
775 775  
776 -Default value: 0, range:  0 ~~ 65 seconds
777 777  
778 -* **AT Command:**
706 +* Downlink Commands:
779 779  
780 -(% class="box infomessage" %)
781 -(((
782 -**AT+CMDDLaa=hex(bb cc)*1000**
783 -)))
708 +A9 aa -à Same as AT+MBFUN=aa
784 784  
785 -**Example:**
786 786  
787 -**AT+CMDDL1=1000** to send the open time to 1000ms
711 +==== RS485 command timeout ====
788 788  
713 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
789 789  
790 -* **Downlink Payload:**
715 +Default value: 0, range:  0 ~~ 5 seconds
791 791  
792 -**0x AA aa bb cc**
793 793  
794 -Same as: AT+CMDDLaa=hex(bb cc)*1000
718 +* AT Command:
795 795  
796 - **Example:**
720 +AT+CMDDLaa=hex(bb cc)
797 797  
798 - 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
722 +Example:
799 799  
724 +**AT+CMDDL1=1000** to send the open time to 1000ms
800 800  
801 801  
802 -==== **Uplink payload mode** ====
727 +* Downlink Payload:
803 803  
804 -Define to use one uplink or multiple uplinks for the sampling.
729 +0x AA aa bb cc
805 805  
806 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
731 +Same as: AT+CMDDLaa=hex(bb cc)
807 807  
808 -* **AT Command:**
733 + Example:
809 809  
810 -(% class="box infomessage" %)
811 -(((
812 -**AT+DATAUP=0**
813 -)))
735 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
814 814  
815 -(% class="box infomessage" %)
816 -(((
817 -**AT+DATAUP=1**
818 -)))
819 819  
738 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
820 820  
821 -* **Downlink Payload:**
740 +Define to use one uplink or multiple uplinks for the sampling.
822 822  
823 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
742 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
824 824  
825 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
744 +* AT Command:
826 826  
746 +AT+DATAUP=0
827 827  
748 +AT+DATAUP=1
828 828  
829 -==== **Manually trigger an Uplink** ====
830 830  
831 -Ask device to send an uplink immediately.
751 +* Downlink Payload:
832 832  
833 -* **AT Command:**
753 +0xAD 00   à Same as AT+DATAUP=0
834 834  
835 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
755 +0xAD 01   à Same as AT+DATAUP=1
836 836  
837 837  
838 -* **Downlink Payload:**
758 +==== Manually trigger an Uplink ====
839 839  
840 -**0x08 FF**, RS485-LN will immediately send an uplink.
760 +Ask device to send an uplink immediately.
841 841  
762 +* Downlink Payload:
842 842  
764 +0x08 FF, RS485-BL will immediately send an uplink.
843 843  
844 -==== **Clear RS485 Command** ====
845 845  
767 +==== Clear RS485 Command ====
768 +
846 846  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
847 847  
848 -* **AT Command:**
849 849  
772 +* AT Command:
773 +
850 850  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
851 851  
852 852  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -854,50 +854,43 @@
854 854  Example screen shot after clear all RS485 commands. 
855 855  
856 856  
781 +
857 857  The uplink screen shot is:
858 858  
859 -[[image:1654160691922-496.png]]
784 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
860 860  
861 861  
862 -* **Downlink Payload:**
787 +* Downlink Payload:
863 863  
864 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
789 +0x09 aa bb same as AT+CMDEAR=aa,bb
865 865  
866 866  
792 +==== Set Serial Communication Parameters ====
867 867  
868 -==== **Set Serial Communication Parameters** ====
869 -
870 870  Set the Rs485 serial communication parameters:
871 871  
872 -* **AT Command:**
796 +* AT Command:
873 873  
874 874  Set Baud Rate:
875 875  
876 -(% class="box infomessage" %)
877 -(((
878 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
879 -)))
800 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
880 880  
881 -Set UART Parity
882 882  
883 -(% class="box infomessage" %)
884 -(((
885 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
886 -)))
803 +Set UART parity
887 887  
805 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
806 +
807 +
888 888  Set STOPBIT
889 889  
890 -(% class="box infomessage" %)
891 -(((
892 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
893 -)))
810 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
894 894  
895 895  
896 -* **Downlink Payload:**
813 +* Downlink Payload:
897 897  
898 -**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
815 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
899 899  
900 -**Example:**
817 +Example:
901 901  
902 902  * A7 01 00 60   same as AT+BAUDR=9600
903 903  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -907,313 +907,287 @@
907 907  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
908 908  
909 909  
910 -== 3.6 Listening mode for RS485 network ==
827 +==== Control output power duration ====
911 911  
912 -This feature support since firmware v1.4
829 +User can set the output power duration before each sampling.
913 913  
914 -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.
831 +* AT Command:
915 915  
916 -[[image:image-20220602171200-8.png||height="567" width="1007"]]
833 +Example:
917 917  
918 -To enable the listening mode, use can run the command AT+RXMODE.
835 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
919 919  
837 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
920 920  
921 -(% border="1" style="background-color:#ffffcc; width:500px" %)
922 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
923 -|(% 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.
924 -|(% 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
925 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
926 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
927 927  
928 -**Downlink Command:**
840 +* LoRaWAN Downlink Command:
929 929  
930 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
842 +07 01 aa bb  Same as AT+5VT=(aa bb)
931 931  
844 +07 02 aa bb  Same as AT+3V3T=(aa bb)
932 932  
933 -**Example**:
934 934  
935 -The RS485-LN is set to AT+RXMODE=2,1000
936 936  
937 -There is a two Modbus commands in the RS485 network as below:
938 938  
939 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
849 +1.
850 +11. Buttons
940 940  
941 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
852 +|**Button**|**Feature**
853 +|**RST**|Reboot RS485-BL
942 942  
943 -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
855 +1.
856 +11. +3V3 Output
944 944  
945 -[[image:image-20220602171200-9.png]]
858 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
946 946  
860 +The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
947 947  
948 -(% 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.
949 949  
863 +The +3V3 output time can be controlled by AT Command.
950 950  
951 -== 3.7 Buttons ==
865 +**AT+3V3T=1000**
952 952  
867 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
953 953  
954 -(% border="1" style="background-color:#f7faff; width:500px" %)
955 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
956 -|**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**
957 -|**RST**|(% style="width:1420px" %)Reboot RS485
958 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
959 959  
960 -== 3.8 LEDs ==
870 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
961 961  
962 -(% border="1" style="background-color:#f7faff; width:500px" %)
963 -|=**LEDs**|=**Feature**
964 -|**PWR**|Always on if there is power
965 -|**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.
966 966  
967 -= 4. Case Study =
873 +1.
874 +11. +5V Output
968 968  
969 -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]]
876 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
970 970  
878 +The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
971 971  
972 -= 5. Use AT Command =
973 973  
974 -== 5.1 Access AT Command ==
881 +The 5V output time can be controlled by AT Command.
975 975  
976 -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.
883 +**AT+5VT=1000**
977 977  
978 -[[image:1654162355560-817.png]]
885 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
979 979  
980 980  
981 -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:
888 +By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
982 982  
983 -[[image:1654162368066-342.png]]
984 984  
985 985  
986 -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/]]
987 987  
893 +1.
894 +11. LEDs
988 988  
989 -== 5.2 Common AT Command Sequence ==
896 +|**LEDs**|**Feature**
897 +|**LED1**|Blink when device transmit a packet.
990 990  
991 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
899 +1.
900 +11. Switch Jumper
992 992  
993 -If device has not joined network yet:
902 +|**Switch Jumper**|**Feature**
903 +|**SW1**|(((
904 +ISP position: Upgrade firmware via UART
994 994  
995 -(% class="box infomessage" %)
996 -(((
997 -**AT+FDR**
906 +Flash position: Configure device, check running status.
998 998  )))
908 +|**SW2**|(((
909 +5V position: set to compatible with 5v I/O.
999 999  
1000 -(% class="box infomessage" %)
1001 -(((
1002 -**AT+NJM=0**
911 +3.3v position: set to compatible with 3.3v I/O.,
1003 1003  )))
1004 1004  
1005 -(% class="box infomessage" %)
1006 -(((
1007 -**ATZ**
1008 -)))
914 ++3.3V: is always ON
1009 1009  
916 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1010 1010  
1011 -If device already joined network:
918 +1. Case Study
1012 1012  
1013 -(% class="box infomessage" %)
1014 -(((
1015 -**AT+NJM=0**
1016 -)))
920 +User can check this URL for some case studies.
1017 1017  
1018 -(% class="box infomessage" %)
1019 -(((
1020 -**ATZ**
1021 -)))
922 +[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1022 1022  
1023 1023  
1024 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1025 1025  
1026 1026  
1027 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
927 +1. Use AT Command
928 +11. Access AT Command
1028 1028  
1029 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
930 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1030 1030  
1031 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
932 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1032 1032  
1033 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1034 1034  
1035 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
935 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1036 1036  
1037 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
937 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1038 1038  
1039 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1040 1040  
1041 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1042 1042  
1043 -(% 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.
941 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1044 1044  
1045 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1046 1046  
1047 1047  
1048 -(% style="color:red" %)**Note:**
945 +1.
946 +11. Common AT Command Sequence
947 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1049 1049  
1050 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1051 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1052 -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.
1053 -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
949 +If device has not joined network yet:
1054 1054  
1055 -[[image:1654162478620-421.png]]
951 +AT+FDR
1056 1056  
953 +AT+NJM=0
1057 1057  
1058 -= 6. FAQ =
955 +ATZ
1059 1059  
1060 -== 6.1 How to upgrade the image? ==
1061 1061  
1062 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
958 +If device already joined network:
1063 1063  
1064 -* Support new features
1065 -* For bug fix
1066 -* Change LoRaWAN bands.
960 +AT+NJM=0
1067 1067  
1068 -Below shows the hardware connection for how to upload an image to RS485-LN:
962 +ATZ
1069 1069  
1070 -[[image:1654162535040-878.png]]
964 +1.
965 +11.
966 +111. Single-channel ABP mode (Use with LG01/LG02)
1071 1071  
1072 -**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]].
968 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1073 1073  
1074 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
970 +AT+NJM=0 Set to ABP mode
1075 1075  
1076 -**Step3: **Open flashloader; choose the correct COM port to update.
972 +AT+ADR=0 Set the Adaptive Data Rate Off
1077 1077  
1078 -(((
1079 -(% 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.
1080 -)))
974 +AT+DR=5  Set Data Rate
1081 1081  
976 +AT+TDC=60000  Set transmit interval to 60 seconds
1082 1082  
1083 -[[image:image-20220602175818-12.png]]
978 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1084 1084  
980 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1085 1085  
1086 -[[image:image-20220602175848-13.png]]
982 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1087 1087  
984 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1088 1088  
1089 -[[image:image-20220602175912-14.png]]
986 +ATZ          Reset MCU
1090 1090  
988 +**Note:**
1091 1091  
1092 -**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
990 +1. Make sure the device is set to ABP mode in the IoT Server.
991 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
992 +1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
993 +1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1093 1093  
1094 -[[image:image-20220602175638-10.png]]
995 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1095 1095  
1096 1096  
1097 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
998 +1. FAQ
999 +11. How to upgrade the image?
1098 1098  
1099 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1001 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1100 1100  
1003 +* Support new features
1004 +* For bug fix
1005 +* Change LoRaWAN bands.
1101 1101  
1102 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1007 +Below shows the hardware connection for how to upload an image to RS485-BL:
1103 1103  
1104 -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"]].
1009 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1105 1105  
1011 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1106 1106  
1107 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1013 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1108 1108  
1109 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1015 +**Step3: **Open flashloader; choose the correct COM port to update.
1110 1110  
1111 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1112 1112  
1018 +|(((
1019 +HOLD PRO then press the RST button, SYS will be ON, then click next
1020 +)))
1113 1113  
1114 -= 7. Trouble Shooting =
1022 +|(((
1023 +Board detected
1024 +)))
1115 1115  
1116 -== 7.1 Downlink doesn’t work, how to solve it? ==
1026 +|(((
1027 +
1028 +)))
1117 1117  
1118 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1030 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1119 1119  
1120 1120  
1121 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1122 1122  
1123 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1034 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1124 1124  
1125 1125  
1126 -= 8. Order Info =
1037 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1127 1127  
1128 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1129 1129  
1130 -(% style="color:blue" %)**XXX:**
1040 +1.
1041 +11. How to change the LoRa Frequency Bands/Region?
1131 1131  
1132 -* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1133 -* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1134 -* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1135 -* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1136 -* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1137 -* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1138 -* (% style="color:blue" %)**US915**(%%): frequency bands US915
1139 -* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1140 -* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1141 -* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1043 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1142 1142  
1143 1143  
1144 -= 9.Packing Info =
1145 1145  
1047 +1.
1048 +11. How many RS485-Slave can RS485-BL connects?
1146 1146  
1147 -**Package Includes**:
1050 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1148 1148  
1149 -* RS485-LN x 1
1150 -* Stick Antenna for LoRa RF part x 1
1151 -* Program cable x 1
1152 1152  
1153 -**Dimension and weight**:
1154 1154  
1155 -* Device Size: 13.5 x 7 x 3 cm
1156 -* Device Weight: 105g
1157 -* Package Size / pcs : 14.5 x 8 x 5 cm
1158 -* Weight / pcs : 170g
1159 1159  
1055 +1. Trouble Shooting     
1056 +11. Downlink doesn’t work, how to solve it?
1160 1160  
1161 -= 10. FCC Caution for RS485LN-US915 =
1058 +Please see this link for debug:
1162 1162  
1163 -(((
1164 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1165 -)))
1060 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1166 1166  
1167 -(((
1168 -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.
1169 -)))
1170 1170  
1171 -(((
1172 -
1173 -)))
1174 1174  
1175 -(((
1176 -**IMPORTANT NOTE:**
1177 -)))
1064 +1.
1065 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1178 1178  
1179 -(((
1180 -**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:
1181 -)))
1067 +It might about the channels mapping. Please see for detail.
1182 1182  
1183 -(((
1184 -—Reorient or relocate the receiving antenna.
1185 -)))
1069 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1186 1186  
1187 -(((
1188 -—Increase the separation between the equipment and receiver.
1189 -)))
1190 1190  
1191 -(((
1192 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1193 -)))
1194 1194  
1195 -(((
1196 -—Consult the dealer or an experienced radio/TV technician for help.
1197 -)))
1073 +1. Order Info
1198 1198  
1199 -(((
1200 -
1201 -)))
1075 +**Part Number: RS485-BL-XXX**
1202 1202  
1203 -(((
1204 -**FCC Radiation Exposure Statement:**
1205 -)))
1077 +**XXX:**
1206 1206  
1207 -(((
1208 -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.
1209 -)))
1079 +* **EU433**: frequency bands EU433
1080 +* **EU868**: frequency bands EU868
1081 +* **KR920**: frequency bands KR920
1082 +* **CN470**: frequency bands CN470
1083 +* **AS923**: frequency bands AS923
1084 +* **AU915**: frequency bands AU915
1085 +* **US915**: frequency bands US915
1086 +* **IN865**: frequency bands IN865
1087 +* **RU864**: frequency bands RU864
1088 +* **KZ865: **frequency bands KZ865
1210 1210  
1090 +1. Packing Info
1211 1211  
1212 -= 11. Support =
1092 +**Package Includes**:
1213 1213  
1214 -* (((
1215 -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.
1216 -)))
1217 -* (((
1218 -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]].
1219 -)))
1094 +* RS485-BL x 1
1095 +* Stick Antenna for LoRa RF part x 1
1096 +* Program cable x 1
1097 +
1098 +**Dimension and weight**:
1099 +
1100 +* Device Size: 13.5 x 7 x 3 cm
1101 +* Device Weight: 105g
1102 +* Package Size / pcs : 14.5 x 8 x 5 cm
1103 +* Weight / pcs : 170g
1104 +
1105 +1. Support
1106 +
1107 +* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1108 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1109 +
1110 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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