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Last modified by Xiaoling on 2023/07/18 10:12
From version 235.5
edited by Xiaoling
on 2023/04/26 16:10
Change comment: There is no comment for this version
To version 234.22
edited by Xiaoling
on 2023/04/26 15:35
Change comment: There is no comment for this version

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694 694  
695 695  User can poll sensor value based on timestamps from the server. Below is the downlink command.
696 696  
697 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:428px" %)
698 -|(% style="width:58px" %)1byte|(% style="width:128px" %)4bytes|(% style="width:123px" %)4bytes|(% style="width:116px" %)1byte
699 -|(% style="width:58px" %)31|(% style="width:128px" %)Timestamp start|(% style="width:123px" %)Timestamp end|(% style="width:116px" %)Uplink Interval
697 +[[image:image-20220523152302-15.png||_mstalt="451581"]]
700 700  
701 701  
702 -
703 703  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.
704 704  
705 705  For example, downlink command (% _mstmutation="1" %)**31 5FC5F350 5FC6 0160 05**(%%)
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716 716  
717 717  **Retrieval data payload:**
718 718  
719 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:480px" %)
720 -|=(% style="width: 60px;background-color:#D9E2F3" %)(((
716 +(% border="1" cellspacing="4" style="background-color:#ffffcc; color:green; width:480px" %)
717 +|=(% style="width: 60px;" %)(((
721 721  **Size(bytes)**
722 -)))|=(% style="width: 90px;background-color:#D9E2F3" %)**2**|=(% style="width: 90px;background-color:#D9E2F3" %)**2**|=(% style="width: 70px;background-color:#D9E2F3" %)**2**|=(% style="width: 100px;background-color:#D9E2F3" %)**1**|=(% style="width: 70px;background-color:#D9E2F3" %)**4**
719 +)))|=(% style="width: 90px;" %)**2**|=(% style="width: 90px;" %)**2**|=(% style="width: 70px;" %)**2**|=(% style="width: 100px;" %)**1**|=(% style="width: 70px;" %)**4**
723 723  |(% style="width:97px" %)**Value**|(% style="width:123px" %)[[External sensor data>>||anchor="H2.4.6Extvalue"]]|(% style="width:108px" %)[[Built In Temperature>>||anchor="H2.4.3Built-inTemperature"]]|(% style="width:133px" %)[[Built-in Humidity>>||anchor="H2.4.4Built-inHumidity"]]|(% style="width:159px" %)Poll message flag & Ext|(% style="width:80px" %)[[Unix Time Stamp>>||anchor="H2.6.2UnixTimeStamp"]]
724 724  
725 725  **Poll message flag & Ext:**
... ... @@ -1089,11 +1089,6 @@
1089 1089  
1090 1090  (% style="color:#4f81bd" %)**AT Command: AT+TDC**
1091 1091  
1092 -(% border="1" cellspacing="5" style="width:501px;background-color:#F2F2F2" %)
1093 -|(% style="width:155px;background-color:#D9E2F3;color:#0070C0 " %)**Command Example**|(% style="width:166px;background-color:#D9E2F3;color:#0070C0 " %)**Function**|(% style="width:180px;background-color:#D9E2F3;color:#0070C0 " %)**Response**
1094 -|(% style="width:155px" %)AT+TDC?|(% style="width:162px" %)Show current transmit Interval|(% style="width:177px" %)30000 OK the interval is 30000ms = 30s
1095 -|(% style="width:155px" %)AT+TDC=60000|(% style="width:162px" %)Set Transmit Interval|(% style="width:177px" %)OK Set transmit interval to 60000ms = 60 seconds
1096 -
1097 1097  [[image:image-20220523150701-2.png||_mstalt="427453"]]
1098 1098  
1099 1099  
image-20230426155837-1.png
Author
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1 -XWiki.Xiaoling
Size
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1 -2.4 KB
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