<
From version < 32.3 >
edited by Xiaoling
on 2022/06/02 15:23
To version < 24.1 >
edited by Xiaoling
on 2022/05/23 09:30
>
Change comment: Uploaded new attachment "1653269438444-278.png", version {1}

Summary

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... ... @@ -18,21 +18,19 @@
18 18  
19 19  (((
20 20  (((
21 -The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
21 +The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
22 22  )))
23 23  
24 24  (((
25 -RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
25 +RS485-LN allows user to monitor / control RS485 devices and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
26 26  )))
27 27  
28 28  (((
29 -(% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
29 +For data uplink, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
30 30  )))
31 31  
32 32  (((
33 -(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
34 -
35 -(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
33 +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.
36 36  )))
37 37  )))
38 38  
... ... @@ -47,7 +47,7 @@
47 47  * Power Consumption (exclude RS485 device):
48 48  ** Idle: 32mA@12v
49 49  
50 -*
48 +*
51 51  ** 20dB Transmit: 65mA@12v
52 52  
53 53  **Interface for Model:**
... ... @@ -367,17 +367,11 @@
367 367  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
368 368  )))
369 369  
370 -(((
371 371  For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
372 -)))
373 373  
374 -(((
375 375  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
376 -)))
377 377  
378 -(((
379 379  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
380 -)))
381 381  
382 382  (% border="1" class="table-bordered" %)
383 383  |(((
... ... @@ -389,24 +389,26 @@
389 389  
390 390  )))
391 391  
392 -**Examples:**
384 +Examples:
393 393  
394 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
386 +1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
395 395  
396 396  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
397 397  
398 -The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
390 +The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
399 399  
400 -[[image:1653269403619-508.png]]
392 +[[image:1652954654347-831.png]]
401 401  
402 -2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
403 403  
395 +1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
396 +
404 404  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
405 405  
406 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
399 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
407 407  
408 -[[image:1653269438444-278.png]]
401 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
409 409  
403 +
410 410  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
411 411  
412 412  |(((
... ... @@ -421,95 +421,94 @@
421 421  
422 422  * Grab bytes:
423 423  
424 -[[image:1653269551753-223.png||height="311" width="717"]]
418 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
425 425  
426 426  * Grab a section.
427 427  
428 -[[image:1653269568276-930.png||height="325" width="718"]]
422 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
429 429  
430 430  * Grab different sections.
431 431  
432 -[[image:1653269593172-426.png||height="303" width="725"]]
426 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
433 433  
434 -(% style="color:red" %)**Note:**
435 435  
429 +Note:
430 +
436 436  AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
437 437  
438 438  Example:
439 439  
440 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
435 +AT+COMMAND1=11 01 1E D0,0
441 441  
442 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
437 +AT+SEARCH1=1,1E 56 34
443 443  
444 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
439 +AT+DATACUT1=0,2,1~~5
445 445  
446 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
441 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
447 447  
448 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
443 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
449 449  
450 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
445 +Valid payload after DataCUT command: 2e 30 58 5f 36
451 451  
452 -[[image:1653269618463-608.png]]
447 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
453 453  
454 -=== 3.3.4 Compose the uplink payload ===
455 455  
456 -(((
450 +
451 +
452 +1.
453 +11.
454 +111. Compose the uplink payload
455 +
457 457  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
458 -)))
459 459  
460 -(((
461 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
462 -)))
463 463  
464 -(((
465 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
466 -)))
459 +**Examples: AT+DATAUP=0**
467 467  
468 -(((
461 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
462 +
469 469  Final Payload is
470 -)))
471 471  
472 -(((
473 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
474 -)))
465 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
475 475  
476 -(((
477 477  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
478 -)))
479 479  
480 -[[image:1653269759169-150.png||height="513" width="716"]]
469 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
481 481  
482 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
483 483  
484 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
485 485  
473 +**Examples: AT+DATAUP=1**
474 +
475 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
476 +
486 486  Final Payload is
487 487  
488 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
479 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
489 489  
490 490  1. Battery Info (2 bytes): Battery voltage
491 491  1. PAYVER (1 byte): Defined by AT+PAYVER
492 492  1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
493 493  1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
494 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
485 +1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
495 495  
496 -[[image:1653269916228-732.png||height="433" width="711"]]
487 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
497 497  
498 498  
499 499  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
500 500  
501 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
492 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
502 502  
503 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
494 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
504 504  
505 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
496 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
506 506  
498 +
499 +
507 507  Below are the uplink payloads:
508 508  
509 -[[image:1653270130359-810.png]]
502 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
510 510  
511 511  
512 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
505 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
513 513  
514 514   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
515 515  
... ... @@ -519,8 +519,12 @@
519 519  
520 520   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
521 521  
522 -=== 3.3.5 Uplink on demand ===
523 523  
516 +
517 +1.
518 +11.
519 +111. Uplink on demand
520 +
524 524  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
525 525  
526 526  Downlink control command:
... ... @@ -531,8 +531,8 @@
531 531  
532 532  
533 533  
534 -1.
535 -11.
531 +1.
532 +11.
536 536  111. Uplink on Interrupt
537 537  
538 538  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -546,7 +546,7 @@
546 546  AT+INTMOD=3  Interrupt trigger by rising edge.
547 547  
548 548  
549 -1.
546 +1.
550 550  11. Uplink Payload
551 551  
552 552  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
... ... @@ -608,15 +608,15 @@
608 608  
609 609  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
610 610  
611 -1.
612 -11.
608 +1.
609 +11.
613 613  111. Common Commands:
614 614  
615 615  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]]
616 616  
617 617  
618 -1.
619 -11.
615 +1.
616 +11.
620 620  111. Sensor related commands:
621 621  
622 622  ==== Choose Device Type (RS485 or TTL) ====
... ... @@ -922,13 +922,13 @@
922 922  
923 923  
924 924  
925 -1.
922 +1.
926 926  11. Buttons
927 927  
928 928  |**Button**|**Feature**
929 929  |**RST**|Reboot RS485-BL
930 930  
931 -1.
928 +1.
932 932  11. +3V3 Output
933 933  
934 934  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -946,7 +946,7 @@
946 946  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
947 947  
948 948  
949 -1.
946 +1.
950 950  11. +5V Output
951 951  
952 952  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -966,13 +966,13 @@
966 966  
967 967  
968 968  
969 -1.
966 +1.
970 970  11. LEDs
971 971  
972 972  |**LEDs**|**Feature**
973 973  |**LED1**|Blink when device transmit a packet.
974 974  
975 -1.
972 +1.
976 976  11. Switch Jumper
977 977  
978 978  |**Switch Jumper**|**Feature**
... ... @@ -1018,7 +1018,7 @@
1018 1018  
1019 1019  
1020 1020  
1021 -1.
1018 +1.
1022 1022  11. Common AT Command Sequence
1023 1023  111. Multi-channel ABP mode (Use with SX1301/LG308)
1024 1024  
... ... @@ -1037,8 +1037,8 @@
1037 1037  
1038 1038  ATZ
1039 1039  
1040 -1.
1041 -11.
1037 +1.
1038 +11.
1042 1042  111. Single-channel ABP mode (Use with LG01/LG02)
1043 1043  
1044 1044  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1113,7 +1113,7 @@
1113 1113  [[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]]
1114 1114  
1115 1115  
1116 -1.
1113 +1.
1117 1117  11. How to change the LoRa Frequency Bands/Region?
1118 1118  
1119 1119  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1120,7 +1120,7 @@
1120 1120  
1121 1121  
1122 1122  
1123 -1.
1120 +1.
1124 1124  11. How many RS485-Slave can RS485-BL connects?
1125 1125  
1126 1126  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]].
... ... @@ -1137,7 +1137,7 @@
1137 1137  
1138 1138  
1139 1139  
1140 -1.
1137 +1.
1141 1141  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1142 1142  
1143 1143  It might about the channels mapping. Please see for detail.
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