Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 35.5 >
edited by Xiaoling
on 2022/06/02 15:48
To version < 38.2 >
edited by Xiaoling
on 2022/06/02 16:10
>
Change comment: There is no comment for this version

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76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 77  * Packet engine up to 256 bytes with CRC.
78 78  
79 -
80 80  == 1.3 Features ==
81 81  
82 82  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -88,7 +88,6 @@
88 88  * Support Modbus protocol
89 89  * Support Interrupt uplink (Since hardware version v1.2)
90 90  
91 -
92 92  == 1.4 Applications ==
93 93  
94 94  * Smart Buildings & Home Automation
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98 98  * Smart Cities
99 99  * Smart Factory
100 100  
101 -
102 102  == 1.5 Firmware Change log ==
103 103  
104 104  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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286 286  )))
287 287  )))
288 288  
289 -
290 290  === 3.3.2 Configure sensors ===
291 291  
292 292  (((
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305 305  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
306 306  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307 307  
308 -
309 309  === 3.3.3 Configure read commands for each sampling ===
310 310  
311 311  (((
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412 412  [[image:1653269759169-150.png||height="513" width="716"]]
413 413  
414 414  
415 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
410 +(% style="color:#037691" %)**Examples: AT+DATAUP=1**
416 416  
417 417  
418 418  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
... ... @@ -421,65 +421,60 @@
421 421  
422 422  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
423 423  
424 -1. Battery Info (2 bytes): Battery voltage
425 -1. PAYVER (1 byte): Defined by AT+PAYVER
426 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
427 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
428 -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
419 +1. PAYVER: Defined by AT+PAYVER
420 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
422 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
429 429  
430 -[[image:1653269916228-732.png||height="433" width="711"]]
424 +[[image:image-20220602155039-4.png]]
431 431  
432 432  
433 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
427 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
434 434  
435 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
429 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
436 436  
437 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
431 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
438 438  
439 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
433 +DATA3=the rest of Valid value of RETURN10= **30**
440 440  
441 -Below are the uplink payloads:
442 442  
443 -[[image:1653270130359-810.png]]
436 +(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:
444 444  
438 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
445 445  
446 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
440 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
447 447  
448 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
442 + * For US915 band, max 11 bytes for each uplink.
449 449  
450 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
444 + ~* For all other bands: max 51 bytes for each uplink.
451 451  
452 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
453 453  
454 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
447 +Below are the uplink payloads:
455 455  
449 +[[image:1654157178836-407.png]]
450 +
451 +
456 456  === 3.3.5 Uplink on demand ===
457 457  
458 -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.
454 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
459 459  
460 460  Downlink control command:
461 461  
462 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
458 +**0x08 command**: Poll an uplink with current command set in RS485-LN.
463 463  
464 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
460 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
465 465  
466 466  
467 467  
468 -1.
469 -11.
470 -111. Uplink on Interrupt
464 +=== 3.3.6 Uplink on Interrupt ===
471 471  
472 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
466 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
473 473  
474 -AT+INTMOD=0  Disable Interrupt
468 +[[image:1654157342174-798.png]]
475 475  
476 -AT+INTMOD=1  Interrupt trigger by rising or falling edge.
470 +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.
477 477  
478 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
479 479  
480 -AT+INTMOD=3  Interrupt trigger by rising edge.
481 -
482 -
483 483  1.
484 484  11. Uplink Payload
485 485  
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