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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 171.1
edited by Mengting Qiu
on 2025/06/09 14:13
Change comment: Uploaded new attachment "image-20250609141343-1.png", version {1}
To version 166.2
edited by Mengting Qiu
on 2025/06/07 09:44
Change comment: There is no comment for this version

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511 511  
512 512  (% style="color:red" %)**var2**(%%): Wait timeout for return. (unit: second)
513 513  
514 -(% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//. (% style="color:red" %)**2: When set to 2, AT+ALDATAMOD=1 does not intercept data returned by the current COMMAND command.(since v1.3.0)**
514 +(% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//. (% style="color:red" %)**2: The returned data will not be clipped.(since v1.3.0)**
515 515  
516 -(% style="color:red" %)**(Function set to 2: When the device is connected to more than two sensors with different sampling addresses, concurrent measurement can be used to reduce data acquisition time and save battery power; for example, when the device is connected to two sensors with different addresses, the concurrent measurement function can be used and the two sensors can collect data at the same time.)**
516 +(% style="color:red" %)**(When set to 2, AT+ALDATAMOD=1 does not intercept data returned by the current COMMAND command.)**
517 517  
518 518  (% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB/LS will resend this command. Max 3 retries.
519 519  
... ... @@ -712,21 +712,22 @@
712 712  
713 713  
714 714  
715 +
716 +
715 715  **For example:**
716 716  
717 717  This is my configuration:
718 718  
719 -[[image:image-20250609134137-1.png]]
721 +[[image:image-20250605091006-1.png]]
720 720  
721 721  
722 722  * AT+COMMAND1=0C!,0,2,0  After sending the concurrent command of device 0, the data will not be cut, and the next command will be sent immediately.
723 -* AT+COMMAND2=1C!,1,2,0  After sending a concurrent command to device 1, do not truncate the data and wait for one second. (Concurrent commands will be sampled with the command with the longest waiting time; for example, if the waiting time in the current device is set to 1s, the concurrent command will default to a maximum waiting time of 1s.)
724 -* AT+COMMAND3=0D0!,0,0,0  Query the data measured by device 0
725 -* AT+COMMAND4=1D0!,0,0,0  Query the data measured by device 1
725 +* AT+COMMAND2=0M!,1,2,0  After sending the concurrent command of device 0, do not cut the data and wait for one second. (The last concurrent command needs to wait for the measurement time of all sensors)
726 +* AT+COMMAND3=0D0!,0,0,0  Query the data measured by device 0
726 726  
727 727  This is the data obtained:
728 728  
729 -[[image:image-20250609134901-2.png]]
730 +[[image:image-20250516145402-2.png]]
730 730  
731 731  
732 732  When using the AT+DATACONVx command,
... ... @@ -734,9 +734,6 @@
734 734  The data of RETURN3 will be converted into 2 data, the first data is +95, and the second data is +260.
735 735  
736 736  * AT+DATACONV3=1,2+2,2  The first data is uploaded as 2 bytes and the second data is uploaded as 2 bytes. The form converted to hexadecimal is as shown above,as below:
737 -* (((
738 -AT+DATACONV4=1,3+2,2+3,2  The first data uploads 3 bytes, the second data also uploads 2 bytes, and the third data also uploads 2 bytes. The hexadecimal form is shown above and as shown in the following figure:
739 -)))
740 740  
741 741  [[image:image-20250516144559-1.png]]
742 742  
... ... @@ -1811,7 +1811,7 @@
1811 1811  No downlink commands for feature
1812 1812  
1813 1813  
1814 -== 3.9 Clear Flash Record(Since v1.3.0) ==
1812 +=== 3.9 Clear Flash Record(Since v1.3.0) ===
1815 1815  
1816 1816  
1817 1817  Feature: Clear flash storage for data log feature.
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