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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 137.1
edited by Mengting Qiu
on 2024/03/16 15:10
Change comment: There is no comment for this version
To version 137.2
edited by Xiaoling
on 2024/03/18 15:23
Change comment: There is no comment for this version

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747 747  0xA6 02 00 00 32  ==>  AT+SETCNT=2,50
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753 753  == 2.14 Clock logging (Since firmware version v1.2.1) ==
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755 755  Sometimes when we deploy lots of end nodes in field. We want all sensors sample data at the same time, and upload these data together for analyze. In such case, we can use clock loging feature.
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757 757  We can use this command to set the start time of data recording and the time interval to meet the requirements of the specific collection time of data.
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760 760  
761 761  (% style="color:blue" %)**a:**(%%)** 0:** Disable Clock logging.  ** 1: **Enable Clock Logging
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763 -(% style="color:blue" %)**b:**(%%)** **Specify First sampling start second: range **(0 ~~ 3599, 65535)   ** ~/~/**Note: **If parameter b is set to 65535, the log period starts after the node accesses the network and sends packets.
761 +(% style="color:blue" %)**b:**(%%)** **Specify First sampling start second: range **(0 ~~ 3599, 65535)   ** ~/~/ (% style="color:red" %)**Note:**(%%)** **If parameter b is set to 65535, the log period starts after the node accesses the network and sends packets.
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765 765  (% style="color:blue" %)**c:**(%%)** **Specify the sampling interval: range **(0 ~~ 255 minutes)**
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781 781  (% style="color:red" %)**Note: Users need to synchronize the server time before configuring this command. If the server time is not synchronized before this command is configured, the command takes effect only after the node is reset.**
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787 787  == 2.8 Example Query saved historical records ==
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789 789  * (% style="color:blue" %)**AT Command: AT+CDP**
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791 791  This command can be used to search the saved history, recording up to 32 groups of data, each group of historical data contains a maximum of 100 bytes.
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794 794  [[image:image-20240316151014-2.png||height="632" width="825"]]
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802 802  = 3. Configure DS03A-NB =
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804 804  == 3.1 Configure Methods ==