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Last modified by Kilight Cao on 2025/07/03 15:34
From version 55.5
edited by Kilight Cao
on 2025/07/03 15:17
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To version 57.1
edited by Kilight Cao
on 2025/07/03 15:22
Change comment: There is no comment for this version

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... ... @@ -171,7 +171,7 @@
171 171  == 2.3 Connecting LT-22222-LA to a Power Source ==
172 172  
173 173  
174 -The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s **positive wire** to the **VIN** and the **negative wire** to the **GND** screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
174 +The LT-22222-LA I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s **positive wire** to the **VIN** and the **negative wire** to the **GND** screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
175 175  
176 176  {{warning}}
177 177  **We recommend that you power on the LT-22222-LA after adding its registration information to the LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
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507 507  
508 508  
509 509  
510 +
510 510  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
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512 512  
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546 546  
547 547  
548 548  
550 +
549 549  (((
550 550  **To activate this mode, run the following AT commands:**
551 551  )))
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641 641  
642 642  
643 643  
646 +
644 644  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
645 645  
646 646  
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704 704  
705 705  
706 706  
710 +
707 707  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
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709 709  
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2285 2285  
2286 2286  
2287 2287  
2292 +
2288 2288  (% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2289 2289  
2290 2290  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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2591 2591  )))
2592 2592  
2593 2593  (((
2594 -You can follow the introductions on [[how to upgrade the image>>||anchor="H6.1Howtoupdatethefirmware3F"]]. When downloading, select the required image file.
2599 +You can follow the introductions on [[how to upgrade the image>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-LA/#H6.1OTAFirmwareupdate]]. When downloading, select the required image file.
2595 2595  )))
2596 2596  
2597 2597  (((
... ... @@ -2627,7 +2627,7 @@
2627 2627  )))
2628 2628  
2629 2629  {{warning}}
2630 -Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
2635 +Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-LA and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-LA to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
2631 2631  {{/warning}}
2632 2632  
2633 2633