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477	477
478	478	[[image:1653269759169-150.png||height="513" width="716"]]
479	479
	480	+(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
480	480
	482	+Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
481	481
482		-**Examples: AT+DATAUP=1**
483		-
484		-Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
485		-
486	486	Final Payload is
487	487
488		-Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
	486	+(% style="color:#4f81bd" %)**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*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
	492	+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
495	495
496		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
	494	+[[image:1653269916228-732.png||height="433" width="711"]]
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 = 20 20 0a 33 90 41
	499	+DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
502	502
503		-DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
	501	+DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
504	504
505		-DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
	503	+DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
506	506
507		-
508		-
509	509	Below are the uplink payloads:
510	510
511		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
	507	+[[image:1653270130359-810.png]]
512	512
513	513
514		-Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
	510	+(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
515	515
516	516	~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
517	517
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521	521
522	522	~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
523	523
	520	+=== 3.3.5 Uplink on demand ===
524	524
525		-
526		-1.
527		-11.
528		-111. Uplink on demand
529		-
530	530	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.
531	531
532	532	Downlink control command:

1653270130359-810.png

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	1	+XWiki.Xiaoling

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