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417	417
418	418	[[image:image-20220523000825-9.png||height="366" width="392"]]
419	419
420		-[[image:image-20220523000825-10.png||height="432" width="762"]]
	420	+[[image:image-20220523000825-10.png||height="413" width="728"]]
421	421
422	422	== 2.6 Datalog Feature ==
423	423
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481	481	User can poll sensor value based on timestamps from the server. Below is the downlink command.
482	482
483	483
484		-(% border="1" style="width:454px" %)
485		-|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
486		-|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
	484	+(% border="1" style="background-color:#ffffcc; color:green; width:427px" %)
	485	+|(% style="width:61px" %)1byte|(% style="width:126px" %)4bytes|(% style="width:120px" %)4bytes|(% style="width:115px" %)1byte
	486	+|(% style="width:61px" %)31|(% style="width:126px" %)Timestamp start|(% style="width:120px" %)Timestamp end|(% style="width:115px" %)Uplink Interval
487	487
	488	+(((
488	488	Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
	490	+)))
489	489
	492	+(((
	493	+For example, downlink command **31 5FC5F350 5FC6 0160 05**
	494	+)))
490	490
491		-For example, downlink command 31 5FC5F350 5FC6 0160 05
492		-
	496	+(((
493	493	Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
	498	+)))
494	494
	500	+(((
495	495	Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
	502	+)))
496	496
497	497
498	498	=== 2.6.4 Datalog Uplink payload ===
...	...	@@ -499,22 +499,19 @@
499	499
500	500	The Datalog poll reply uplink will use below payload format.
501	501
502		-
	509	+(((
503	503	Retrieval data payload
	511	+)))
504	504
505		-(% border="1" %)
506		-|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
507		-|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
508		-[[Built-In>>path:#SHT20_Temperature]]
	513	+(% border="1" style="background-color:#ffffcc; color:green; width:615px" %)
	514	+|(% style="width:94px" %)**Size(bytes)**|(% style="width:106px" %)**2**|(% style="width:132px" %)**2**|(% style="width:62px" %)**2**|(% style="width:98px" %)**1**|(% style="width:83px" %)**4**
	515	+|(% style="width:94px" %)**Value**|(% style="width:106px" %)[[External sensor data>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]|(% style="width:132px" %)(((
	516	+[[Built-In Temperature >>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
	517	+)))|(% style="width:62px" %)(((
	518	+[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]][[ Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
	519	+)))|(% style="width:98px" %)[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]|(% style="width:83px" %)(((
	520	+[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
509	509
510		-[[Temperature>>path:#SHT20_Temperature]]
511		-)))|(((
512		-[[Built-in>>path:#SHT20_Humidity]]
513		-
514		-[[Humidity>>path:#SHT20_Humidity]]
515		-)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
516		-[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
517		-
518	518
519	519	)))
520	520
...	...	@@ -521,9 +521,9 @@
521	521	Poll message flag & Ext
522	522
523	523
524		-(% border="1" %)
525		-|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
526		-|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
	528	+(% border="1" style="background-color:#ffffcc; color:green; width:542px" %)
	529	+|(% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:114px" %)**6**|(% style="width:85px" %)**5**|(% style="width:85px" %)**4**|(% style="width:77px" %)**[3:0]**
	530	+|(% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:114px" %)Poll Message Flag|(% style="width:85px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:77px" %)(((
527	527	Ext:
528	528
529	529	0b(1001)

image-20220523144455-1.png

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	1	+XWiki.Xiaoling

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