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Last modified by Kilight Cao on 2025/07/03 15:34
From version 50.1
edited by Kilight Cao
on 2025/07/03 14:44
Change comment: There is no comment for this version
To version 52.2
edited by Kilight Cao
on 2025/07/03 14:56
Change comment: There is no comment for this version

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508 508  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
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510 510  
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545 545  (((
546 546  **To activate this mode, run the following AT commands:**
547 547  )))
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640 +
638 638  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
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699 699  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
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2278 2278  (% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2279 2279  
2280 2280  From the DI port circuit above, activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference on its own.
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2404 2404  (((
2405 2405  You can use a USB-to-TTL adapter/converter along with a 3.5mm Program Cable to connect the LT-22222-LA to a PC, as shown below.
2406 2406  
2407 -(% title="Click and drag to resize" %)​​
2412 +(% title="Click and drag to resize" %)​​​
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2409 2409  
2410 2410  )))
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2413 2413  On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
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2421 +[[image:1653358355238-883.png]]
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2417 2417  
2418 2418  (((
1653358355238-883.png
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1 +XWiki.Kilight
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