<
From version < 38.2 >
edited by Xiaoling
on 2022/06/02 16:10
To version < 36.2 >
edited by Xiaoling
on 2022/06/02 15:54
>
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446 446  
447 447  Below are the uplink payloads:
448 448  
449 -[[image:1654157178836-407.png]]
449 +[[image:1653270130359-810.png]]
450 450  
451 451  
452 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
453 +
454 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
455 +
456 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
457 +
458 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
459 +
460 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
461 +
452 452  === 3.3.5 Uplink on demand ===
453 453  
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.
464 +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.
455 455  
456 456  Downlink control command:
457 457  
458 -**0x08 command**: Poll an uplink with current command set in RS485-LN.
468 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
459 459  
460 -**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
470 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
461 461  
462 462  
463 463  
464 -=== 3.3.6 Uplink on Interrupt ===
474 +1.
475 +11.
476 +111. Uplink on Interrupt
465 465  
466 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
478 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
467 467  
468 -[[image:1654157342174-798.png]]
480 +AT+INTMOD=0  Disable Interrupt
469 469  
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.
482 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
471 471  
484 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
472 472  
486 +AT+INTMOD=3  Interrupt trigger by rising edge.
487 +
488 +
473 473  1.
474 474  11. Uplink Payload
475 475  
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