<
From version < 57.25 >
edited by Xiaoling
on 2022/06/06 09:16
To version < 59.1 >
edited by Xiaoling
on 2022/06/06 14:19
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -24,23 +24,33 @@
24 24  
25 25  (((
26 26  (((
27 +(((
27 27  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.
28 28  )))
30 +)))
29 29  
30 30  (((
33 +(((
31 31  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.
32 32  )))
36 +)))
33 33  
34 34  (((
39 +(((
35 35  (% 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.
36 36  )))
42 +)))
37 37  
38 38  (((
45 +(((
39 39  (% 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 +)))
40 40  
49 +(((
41 41  (% 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]]
42 42  )))
43 43  )))
53 +)))
44 44  
45 45  [[image:1653267211009-519.png||height="419" width="724"]]
46 46  
... ... @@ -111,9 +111,13 @@
111 111  
112 112  (((
113 113  (((
124 +(((
114 114  v1.2: Add External Interrupt Pin.
126 +)))
115 115  
128 +(((
116 116  v1.0: Release
130 +)))
117 117  
118 118  
119 119  )))
... ... @@ -141,7 +141,9 @@
141 141  == 3.1 How it works? ==
142 142  
143 143  (((
158 +(((
144 144  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
160 +)))
145 145  
146 146  
147 147  )))
... ... @@ -217,11 +217,15 @@
217 217  
218 218  (((
219 219  (((
236 +(((
220 220  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.
221 221  )))
239 +)))
222 222  
223 223  (((
242 +(((
224 224  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
244 +)))
225 225  
226 226  
227 227  )))
... ... @@ -231,19 +231,19 @@
231 231  
232 232  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:
233 233  
234 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 -|(% style="width:128px" %)(((
254 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
255 +|=(% style="width: 110px;" %)(((
236 236  **AT Commands**
237 -)))|(% style="width:305px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
238 238  **Description**
239 -)))|(% style="width:346px" %)(((
259 +)))|=(% style="width: 190px;" %)(((
240 240  **Example**
241 241  )))
242 -|(% style="width:128px" %)(((
262 +|(% style="width:110px" %)(((
243 243  AT+BAUDR
244 -)))|(% style="width:305px" %)(((
264 +)))|(% style="width:190px" %)(((
245 245  Set the baud rate (for RS485 connection). Default Value is: 9600.
246 -)))|(% style="width:346px" %)(((
266 +)))|(% style="width:190px" %)(((
247 247  (((
248 248  AT+BAUDR=9600
249 249  )))
... ... @@ -252,11 +252,11 @@
252 252  Options: (1200,2400,4800,14400,19200,115200)
253 253  )))
254 254  )))
255 -|(% style="width:128px" %)(((
275 +|(% style="width:110px" %)(((
256 256  AT+PARITY
257 -)))|(% style="width:305px" %)(((
277 +)))|(% style="width:190px" %)(((
258 258  Set UART parity (for RS485 connection)
259 -)))|(% style="width:346px" %)(((
279 +)))|(% style="width:190px" %)(((
260 260  (((
261 261  AT+PARITY=0
262 262  )))
... ... @@ -265,9 +265,9 @@
265 265  Option: 0: no parity, 1: odd parity, 2: even parity
266 266  )))
267 267  )))
268 -|(% style="width:128px" %)(((
288 +|(% style="width:110px" %)(((
269 269  AT+STOPBIT
270 -)))|(% style="width:305px" %)(((
290 +)))|(% style="width:190px" %)(((
271 271  (((
272 272  Set serial stopbit (for RS485 connection)
273 273  )))
... ... @@ -275,7 +275,7 @@
275 275  (((
276 276  
277 277  )))
278 -)))|(% style="width:346px" %)(((
298 +)))|(% style="width:190px" %)(((
279 279  (((
280 280  AT+STOPBIT=0 for 1bit
281 281  )))
... ... @@ -298,15 +298,21 @@
298 298  )))
299 299  )))
300 300  
301 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
302 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
303 -|AT+CFGDEV|(% style="width:418px" %)(((
321 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
322 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
323 +|AT+CFGDEV|(% style="width:110px" %)(((
324 +(((
304 304  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
326 +)))
305 305  
328 +(((
306 306  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
330 +)))
307 307  
332 +(((
308 308  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
334 +)))
335 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
310 310  
311 311  
312 312  === 3.3.3 Configure read commands for each sampling ===
... ... @@ -354,8 +354,8 @@
354 354  
355 355  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
356 356  
357 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
358 -|(% style="width:722px" %)(((
383 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
384 +|(% style="width:510px" %)(((
359 359  **AT+DATACUTx=a,b,c**
360 360  
361 361  * **a: length for the return of AT+COMMAND**
... ... @@ -481,34 +481,35 @@
481 481  
482 482  == 3.4 Uplink Payload ==
483 483  
484 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
485 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
486 -|Value|(% style="width:120px" %)(((
487 -Battery(mV)
488 488  
489 -&
511 +[[image:image-20220606110929-1.png]]
490 490  
491 -Interrupt _Flag
492 -)))|(% style="width:116px" %)(((
493 -PAYLOAD_VER
494 -
495 -
496 -)))|(% style="width:386px" %)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.
497 -
498 498  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
499 499  
500 500  
501 501  == 3.5 Configure RS485-BL via AT or Downlink ==
502 502  
518 +(((
503 503  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
520 +)))
504 504  
522 +(((
505 505  There are two kinds of Commands:
524 +)))
506 506  
507 -* (% 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]]
526 +* (((
527 +(% 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]]
528 +)))
508 508  
509 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
530 +* (((
531 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
532 +)))
510 510  
534 +(((
535 +
536 +)))
511 511  
538 +
512 512  === 3.5.1 Common Commands ===
513 513  
514 514  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]]
... ... @@ -527,142 +527,282 @@
527 527  
528 528  
529 529  
557 +
530 530  ==== **RS485 Debug Command** ====
531 531  
560 +(((
532 532  This command is used to configure the RS485 devices; they won’t be used during sampling.
562 +)))
533 533  
534 -* **AT Command**
564 +* (((
565 +**AT Command**
566 +)))
535 535  
536 536  (% class="box infomessage" %)
537 537  (((
570 +(((
538 538  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
539 539  )))
573 +)))
540 540  
575 +(((
541 541  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
577 +)))
542 542  
543 -* **Downlink Payload**
579 +* (((
580 +**Downlink Payload**
581 +)))
544 544  
583 +(((
545 545  Format: A8 MM NN XX XX XX XX YY
585 +)))
546 546  
587 +(((
547 547  Where:
589 +)))
548 548  
549 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
550 -* NN: The length of RS485 command
551 -* XX XX XX XX: RS485 command total NN bytes
552 -* YY: How many bytes will be uplink from the return of this RS485 command,
553 -** if YY=0, RS485-LN will execute the downlink command without uplink;
554 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
555 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
591 +* (((
592 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
593 +)))
594 +* (((
595 +NN: The length of RS485 command
596 +)))
597 +* (((
598 +XX XX XX XX: RS485 command total NN bytes
599 +)))
600 +* (((
601 +(((
602 +YY: How many bytes will be uplink from the return of this RS485 command,
603 +)))
556 556  
605 +* (((
606 +if YY=0, RS485-LN will execute the downlink command without uplink;
607 +)))
608 +* (((
609 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
610 +)))
611 +* (((
612 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
613 +)))
614 +)))
615 +
616 +(((
557 557  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
618 +)))
558 558  
620 +(((
559 559  To connect a Modbus Alarm with below commands.
622 +)))
560 560  
561 -* 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.
624 +* (((
625 +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.
626 +)))
562 562  
563 -* 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.
628 +* (((
629 +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.
630 +)))
564 564  
632 +(((
565 565  So if user want to use downlink command to control to RS485 Alarm, he can use:
634 +)))
566 566  
636 +(((
567 567  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
638 +)))
568 568  
640 +(((
569 569  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
642 +)))
570 570  
644 +(((
571 571  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.
646 +)))
572 572  
648 +(((
649 +
650 +)))
573 573  
652 +(((
574 574  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
654 +)))
575 575  
656 +(((
576 576  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
658 +)))
577 577  
660 +(((
661 +
662 +)))
578 578  
664 +(((
579 579  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:
666 +)))
580 580  
668 +(((
581 581   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
670 +)))
582 582  
672 +(((
583 583   [[image:1654159460680-153.png]]
674 +)))
584 584  
585 585  
586 586  
678 +
587 587  ==== **Set Payload version** ====
588 588  
681 +(((
589 589  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.
683 +)))
590 590  
591 -* **AT Command:**
685 +* (((
686 +**AT Command:**
687 +)))
592 592  
593 593  (% class="box infomessage" %)
594 594  (((
691 +(((
595 595  **AT+PAYVER: Set PAYVER field = 1**
596 596  )))
694 +)))
597 597  
598 -* **Downlink Payload:**
696 +* (((
697 +**Downlink Payload:**
698 +)))
599 599  
700 +(((
600 600  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
702 +)))
601 601  
704 +(((
602 602  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
706 +)))
603 603  
604 604  
605 605  
710 +
606 606  ==== **Set RS485 Sampling Commands** ====
607 607  
713 +(((
608 608  AT+COMMANDx or AT+DATACUTx
715 +)))
609 609  
717 +(((
610 610  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"]].
719 +)))
611 611  
721 +(((
722 +
723 +)))
612 612  
613 -* **AT Command:**
725 +* (((
726 +**AT Command:**
727 +)))
614 614  
615 615  (% class="box infomessage" %)
616 616  (((
731 +(((
617 617  **AT+COMMANDx: Configure RS485 read command to sensor.**
618 618  )))
734 +)))
619 619  
620 620  (% class="box infomessage" %)
621 621  (((
738 +(((
622 622  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
623 623  )))
741 +)))
624 624  
743 +(((
744 +
745 +)))
625 625  
626 -* **Downlink Payload:**
747 +* (((
748 +**Downlink Payload:**
749 +)))
627 627  
751 +(((
628 628  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
753 +)))
629 629  
755 +(((
630 630  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
757 +)))
631 631  
759 +(((
632 632  Format: AF MM NN LL XX XX XX XX YY
761 +)))
633 633  
763 +(((
634 634  Where:
765 +)))
635 635  
636 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
637 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
638 -* LL:  The length of AT+COMMAND or AT+DATACUT command
639 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
640 -* 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.
767 +* (((
768 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
769 +)))
770 +* (((
771 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
772 +)))
773 +* (((
774 +LL:  The length of AT+COMMAND or AT+DATACUT command
775 +)))
776 +* (((
777 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
778 +)))
779 +* (((
780 +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.
781 +)))
641 641  
783 +(((
642 642  **Example:**
785 +)))
643 643  
787 +(((
644 644  (% 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
789 +)))
645 645  
791 +(((
646 646  (% 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**
793 +)))
647 647  
795 +(((
648 648  (% 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**
797 +)))
649 649  
650 650  
651 651  
801 +
652 652  ==== **Fast command to handle MODBUS device** ====
653 653  
804 +(((
654 654  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]].
806 +)))
655 655  
808 +(((
656 656  This command is valid since v1.3 firmware version
810 +)))
657 657  
812 +(((
658 658  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.
814 +)))
659 659  
816 +(((
817 +
818 +)))
660 660  
820 +(((
661 661  **Example:**
822 +)))
662 662  
663 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
664 -* 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.
665 -* 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.
824 +* (((
825 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
826 +)))
827 +* (((
828 +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.
829 +)))
830 +* (((
831 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
832 +)))
666 666  
667 667  [[image:image-20220602165351-6.png]]
668 668  
... ... @@ -670,201 +670,377 @@
670 670  
671 671  
672 672  
840 +
673 673  ==== **RS485 command timeout** ====
674 674  
843 +(((
675 675  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.
845 +)))
676 676  
847 +(((
677 677  Default value: 0, range:  0 ~~ 65 seconds
849 +)))
678 678  
679 -* **AT Command:**
851 +* (((
852 +**AT Command:**
853 +)))
680 680  
681 681  (% class="box infomessage" %)
682 682  (((
857 +(((
683 683  **AT+CMDDLaa=hex(bb cc)*1000**
684 684  )))
860 +)))
685 685  
862 +(((
686 686  **Example:**
864 +)))
687 687  
866 +(((
688 688  **AT+CMDDL1=1000** to send the open time to 1000ms
868 +)))
689 689  
870 +(((
871 +
872 +)))
690 690  
691 -* **Downlink Payload:**
874 +* (((
875 +**Downlink Payload:**
876 +)))
692 692  
878 +(((
693 693  **0x AA aa bb cc**
880 +)))
694 694  
882 +(((
695 695  Same as: AT+CMDDLaa=hex(bb cc)*1000
884 +)))
696 696  
886 +(((
697 697   **Example:**
888 +)))
698 698  
890 +(((
699 699   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
892 +)))
700 700  
701 701  
702 702  
896 +
703 703  ==== **Uplink payload mode** ====
704 704  
899 +(((
705 705  Define to use one uplink or multiple uplinks for the sampling.
901 +)))
706 706  
903 +(((
707 707  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
905 +)))
708 708  
709 -* **AT Command:**
907 +* (((
908 +**AT Command:**
909 +)))
710 710  
711 711  (% class="box infomessage" %)
712 712  (((
913 +(((
713 713  **AT+DATAUP=0**
714 714  )))
916 +)))
715 715  
716 716  (% class="box infomessage" %)
717 717  (((
920 +(((
718 718  **AT+DATAUP=1**
719 719  )))
923 +)))
720 720  
925 +(((
926 +
927 +)))
721 721  
722 -* **Downlink Payload:**
929 +* (((
930 +**Downlink Payload:**
931 +)))
723 723  
933 +(((
724 724  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
935 +)))
725 725  
937 +(((
726 726  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
939 +)))
727 727  
728 728  
729 729  
943 +
730 730  ==== **Manually trigger an Uplink** ====
731 731  
946 +(((
732 732  Ask device to send an uplink immediately.
948 +)))
733 733  
734 -* **AT Command:**
950 +* (((
951 +**AT Command:**
952 +)))
735 735  
954 +(((
736 736  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
956 +)))
737 737  
958 +(((
959 +
960 +)))
738 738  
739 -* **Downlink Payload:**
962 +* (((
963 +**Downlink Payload:**
964 +)))
740 740  
966 +(((
741 741  **0x08 FF**, RS485-LN will immediately send an uplink.
968 +)))
742 742  
743 743  
744 744  
972 +
745 745  ==== **Clear RS485 Command** ====
746 746  
975 +(((
747 747  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
977 +)))
748 748  
749 -* **AT Command:**
979 +* (((
980 +**AT Command:**
981 +)))
750 750  
983 +(((
751 751  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
985 +)))
752 752  
987 +(((
753 753  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
989 +)))
754 754  
991 +(((
755 755  Example screen shot after clear all RS485 commands. 
993 +)))
756 756  
995 +(((
996 +
997 +)))
757 757  
999 +(((
758 758  The uplink screen shot is:
1001 +)))
759 759  
760 760  [[image:1654160691922-496.png]]
761 761  
762 762  
763 -* **Downlink Payload:**
1006 +* (((
1007 +**Downlink Payload:**
1008 +)))
764 764  
1010 +(((
765 765  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1012 +)))
766 766  
767 767  
768 768  
1016 +
769 769  ==== **Set Serial Communication Parameters** ====
770 770  
1019 +(((
771 771  Set the Rs485 serial communication parameters:
1021 +)))
772 772  
773 -* **AT Command:**
1023 +* (((
1024 +**AT Command:**
1025 +)))
774 774  
1027 +(((
775 775  Set Baud Rate:
1029 +)))
776 776  
777 777  (% class="box infomessage" %)
778 778  (((
1033 +(((
779 779  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
780 780  )))
1036 +)))
781 781  
1038 +(((
782 782  Set UART Parity
1040 +)))
783 783  
784 784  (% class="box infomessage" %)
785 785  (((
1044 +(((
786 786  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
787 787  )))
1047 +)))
788 788  
1049 +(((
789 789  Set STOPBIT
1051 +)))
790 790  
791 791  (% class="box infomessage" %)
792 792  (((
1055 +(((
793 793  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
794 794  )))
1058 +)))
795 795  
1060 +(((
1061 +
1062 +)))
796 796  
797 -* **Downlink Payload:**
1064 +* (((
1065 +**Downlink Payload:**
1066 +)))
798 798  
1068 +(((
799 799  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1070 +)))
800 800  
1072 +(((
801 801  **Example:**
1074 +)))
802 802  
803 -* A7 01 00 60   same as AT+BAUDR=9600
804 -* A7 01 04 80  same as AT+BAUDR=115200
1076 +* (((
1077 +A7 01 00 60   same as AT+BAUDR=9600
1078 +)))
1079 +* (((
1080 +A7 01 04 80  same as AT+BAUDR=115200
1081 +)))
805 805  
1083 +(((
806 806  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1085 +)))
807 807  
1087 +(((
808 808  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1089 +)))
809 809  
810 810  
1092 +
1093 +
811 811  == 3.6 Listening mode for RS485 network ==
812 812  
1096 +(((
813 813  This feature support since firmware v1.4
1098 +)))
814 814  
1100 +(((
815 815  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.
1102 +)))
816 816  
817 817  [[image:image-20220602171200-8.png||height="567" width="1007"]]
818 818  
1106 +(((
819 819  To enable the listening mode, use can run the command AT+RXMODE.
1108 +)))
820 820  
1110 +(((
1111 +
1112 +)))
821 821  
822 -(% border="1" style="background-color:#ffffcc; width:500px" %)
823 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
824 -|(% 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.
825 -|(% 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
826 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
827 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1114 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1115 +|=(% style="width: 100px;" %)(((
1116 +**Command example**
1117 +)))|=(% style="width: 400px;" %)(((
1118 +**Function**
1119 +)))
1120 +|(% style="width:100px" %)(((
1121 +AT+RXMODE=1,10
1122 +)))|(% style="width:400px" %)(((
1123 +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.
1124 +)))
1125 +|(% style="width:100px" %)(((
1126 +AT+RXMODE=2,500
1127 +)))|(% style="width:400px" %)(((
1128 +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
1129 +)))
1130 +|(% style="width:100px" %)(((
1131 +AT+RXMODE=0,0
1132 +)))|(% style="width:400px" %)(((
1133 +Disable listening mode. This is the default settings.
1134 +)))
1135 +|(% style="width:100px" %)(((
1136 +
1137 +)))|(% style="width:400px" %)(((
1138 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1139 +)))
828 828  
1141 +(((
829 829  **Downlink Command:**
1143 +)))
830 830  
1145 +(((
831 831  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1147 +)))
832 832  
1149 +(((
1150 +
1151 +)))
833 833  
1153 +(((
834 834  **Example**:
1155 +)))
835 835  
1157 +(((
836 836  The RS485-LN is set to AT+RXMODE=2,1000
1159 +)))
837 837  
1161 +(((
838 838  There is a two Modbus commands in the RS485 network as below:
1163 +)))
839 839  
1165 +(((
840 840  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1167 +)))
841 841  
1169 +(((
842 842  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1171 +)))
843 843  
1173 +(((
844 844  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
1175 +)))
845 845  
1177 +(((
846 846  [[image:image-20220602171200-9.png]]
1179 +)))
847 847  
1181 +(((
1182 +
1183 +)))
848 848  
1185 +(((
1186 +(((
849 849  (% 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.
1188 +)))
1189 +)))
850 850  
851 851  
852 852  == 3.7 Buttons ==
853 853  
854 854  
855 -(% border="1" style="background-color:#f7faff; width:500px" %)
856 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
857 -|**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**
858 -|**RST**|(% style="width:1420px" %)Reboot RS485
859 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
1195 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1196 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1197 +|(% style="width:50px" %)**ACT**|(% style="width:350px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1198 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1199 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
860 860  
1201 +
861 861  == 3.8 LEDs ==
862 862  
863 -(% border="1" style="background-color:#f7faff; width:500px" %)
864 -|=**LEDs**|=**Feature**
1204 +
1205 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1206 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
865 865  |**PWR**|Always on if there is power
866 -|**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.
1208 +|**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.
867 867  
1210 +
868 868  = 4. Case Study =
869 869  
870 870  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]]
... ... @@ -874,19 +874,26 @@
874 874  
875 875  == 5.1 Access AT Command ==
876 876  
1220 +(((
877 877  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.
1222 +)))
878 878  
879 879  [[image:1654162355560-817.png]]
880 880  
881 881  
1227 +(((
882 882  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:
1229 +)))
883 883  
884 884  [[image:1654162368066-342.png]]
885 885  
886 886  
887 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1234 +(((
1235 +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/]]
1236 +)))
888 888  
889 889  
1239 +
890 890  == 5.2 Common AT Command Sequence ==
891 891  
892 892  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -909,7 +909,9 @@
909 909  )))
910 910  
911 911  
1262 +(((
912 912  If device already joined network:
1264 +)))
913 913  
914 914  (% class="box infomessage" %)
915 915  (((
... ... @@ -948,10 +948,12 @@
948 948  
949 949  (% style="color:red" %)**Note:**
950 950  
1303 +(((
951 951  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
952 952  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
953 953  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.
954 954  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
1308 +)))
955 955  
956 956  [[image:1654162478620-421.png]]
957 957  
... ... @@ -960,23 +960,45 @@
960 960  
961 961  == 6.1 How to upgrade the image? ==
962 962  
1317 +(((
963 963  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1319 +)))
964 964  
965 -* Support new features
966 -* For bug fix
967 -* Change LoRaWAN bands.
1321 +* (((
1322 +Support new features
1323 +)))
1324 +* (((
1325 +For bug fix
1326 +)))
1327 +* (((
1328 +Change LoRaWAN bands.
1329 +)))
968 968  
1331 +(((
969 969  Below shows the hardware connection for how to upload an image to RS485-LN:
1333 +)))
970 970  
971 971  [[image:1654162535040-878.png]]
972 972  
1337 +(((
973 973  **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]].
1339 +)))
974 974  
1341 +(((
975 975  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1343 +)))
976 976  
1345 +(((
977 977  **Step3: **Open flashloader; choose the correct COM port to update.
1347 +)))
978 978  
1349 +(((
1350 +(((
1351 +(((
979 979  (% 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.
1353 +)))
1354 +)))
1355 +)))
980 980  
981 981  
982 982  [[image:image-20220602175818-12.png]]
... ... @@ -1057,30 +1057,60 @@
1057 1057  
1058 1058  = 10. FCC Caution for RS485LN-US915 =
1059 1059  
1436 +(((
1060 1060  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1438 +)))
1061 1061  
1440 +(((
1062 1062  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.
1442 +)))
1063 1063  
1444 +(((
1445 +
1446 +)))
1064 1064  
1448 +(((
1065 1065  **IMPORTANT NOTE:**
1450 +)))
1066 1066  
1452 +(((
1067 1067  **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:
1454 +)))
1068 1068  
1456 +(((
1069 1069  —Reorient or relocate the receiving antenna.
1458 +)))
1070 1070  
1460 +(((
1071 1071  —Increase the separation between the equipment and receiver.
1462 +)))
1072 1072  
1464 +(((
1073 1073  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1466 +)))
1074 1074  
1468 +(((
1075 1075  —Consult the dealer or an experienced radio/TV technician for help.
1470 +)))
1076 1076  
1472 +(((
1473 +
1474 +)))
1077 1077  
1476 +(((
1078 1078  **FCC Radiation Exposure Statement:**
1478 +)))
1079 1079  
1480 +(((
1080 1080  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.
1482 +)))
1081 1081  
1082 1082  
1083 1083  = 11. Support =
1084 1084  
1085 -* 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.
1086 -* 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]].
1487 +* (((
1488 +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.
1489 +)))
1490 +* (((
1491 +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]].
1492 +)))
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