Last modified by Kilight Cao on 2025/07/03 15:34

From version 57.6
edited by Kilight Cao
on 2025/07/03 15:31
Change comment: There is no comment for this version
To version 55.4
edited by Kilight Cao
on 2025/07/03 15:15
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -29,8 +29,6 @@
29 29  
30 30  (((
31 31  With the LT-22222-LA I/O Controller, users can transmit data over ultra-long distances with low power consumption using LoRa, a spread-spectrum modulation technique derived from chirp spread spectrum (CSS) technology that operates on license-free ISM bands.
32 -
33 -(% style="color:blue" %)**LT-22222-LA I/O Controller**(%%) support (% style="color:blue" %)**OTA upgrade**(%%) via private LoRa protocol for easy maintaining.
34 34  )))
35 35  
36 36  (((
... ... @@ -173,7 +173,7 @@
173 173  == 2.3 Connecting LT-22222-LA to a Power Source ==
174 174  
175 175  
176 -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.
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.
177 177  
178 178  {{warning}}
179 179  **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.**
... ... @@ -509,8 +509,6 @@
509 509  
510 510  
511 511  
512 -
513 -
514 514  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
515 515  
516 516  
... ... @@ -550,8 +550,6 @@
550 550  
551 551  
552 552  
553 -
554 -
555 555  (((
556 556  **To activate this mode, run the following AT commands:**
557 557  )))
... ... @@ -647,8 +647,6 @@
647 647  
648 648  
649 649  
650 -
651 -
652 652  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
653 653  
654 654  
... ... @@ -712,8 +712,6 @@
712 712  
713 713  
714 714  
715 -
716 -
717 717  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
718 718  
719 719  
... ... @@ -2295,8 +2295,6 @@
2295 2295  
2296 2296  
2297 2297  
2298 -
2299 -
2300 2300  (% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2301 2301  
2302 2302  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.
... ... @@ -2564,12 +2564,18 @@
2564 2564  == 5.1 Counting how many objects pass through the flow line ==
2565 2565  
2566 2566  
2567 -See [[How to set up to setup counting for objects passing through the flow line>>https://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/How%20to%20set%20up%20to%20count%20objects%20pass%20in%20flow%20line/]].
2555 +See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]].
2568 2568  
2569 2569  
2570 -= 6. OTA Firmware update =
2558 += 6. FAQ =
2571 2571  
2572 2572  
2561 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2562 +
2563 +
2564 +== 6.1 OTA Firmware update ==
2565 +
2566 +
2573 2573  (% class="wikigeneratedid" %)
2574 2574  User can change firmware LT-22222-LA to:
2575 2575  
... ... @@ -2587,17 +2587,10 @@
2587 2587  
2588 2588  
2589 2589  
2590 -= 7. FAQ =
2591 2591  
2592 -
2593 -This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2594 -
2595 -
2596 -
2597 -
2598 2598  (((
2599 2599  (((
2600 -== 7.2 How to change the LoRaWAN frequency band/region? ==
2587 +== 6.2 How to change the LoRaWAN frequency band/region? ==
2601 2601  
2602 2602  
2603 2603  )))
... ... @@ -2604,13 +2604,13 @@
2604 2604  )))
2605 2605  
2606 2606  (((
2607 -You can follow the introductions on [[how to upgrade the image>>doc:]]. When downloading, select the required image file.
2594 +You can follow the introductions on [[how to upgrade the image>>||anchor="H6.1Howtoupdatethefirmware3F"]]. When downloading, select the required image file.
2608 2608  )))
2609 2609  
2610 2610  (((
2611 2611  
2612 2612  
2613 -== 7.3 How to set up LT-22222-LA to work with a Single Channel Gateway, such as LG01/LG02? ==
2600 +== 6.3 How to set up LT-22222-LA to work with a Single Channel Gateway, such as LG01/LG02? ==
2614 2614  
2615 2615  
2616 2616  )))
... ... @@ -2640,7 +2640,7 @@
2640 2640  )))
2641 2641  
2642 2642  {{warning}}
2643 -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.
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.
2644 2644  {{/warning}}
2645 2645  
2646 2646  
... ... @@ -2684,13 +2684,13 @@
2684 2684  [[image:1653360498588-932.png]]
2685 2685  
2686 2686  
2687 -== 7.4 How to change the uplink interval? ==
2674 +== 6.4 How to change the uplink interval? ==
2688 2688  
2689 2689  
2690 2690  Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2691 2691  
2692 2692  
2693 -== 7.5 Can I see the counting event in the serial output? ==
2680 +== 6.5 Can I see the counting event in the serial output? ==
2694 2694  
2695 2695  
2696 2696  (((
... ... @@ -2701,7 +2701,7 @@
2701 2701  )))
2702 2702  
2703 2703  (((
2704 -== 7.6 Why does the relay output default to an open relay after the LT-22222-LA is powered off? ==
2691 +== 6.6 Why does the relay output default to an open relay after the LT-22222-LA is powered off? ==
2705 2705  
2706 2706  
2707 2707  * If the device is not properly shut down and is directly powered off.
... ... @@ -2709,7 +2709,7 @@
2709 2709  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2710 2710  * After a restart, the status before the power failure will be read from Flash.
2711 2711  
2712 -== 7.7 Can I set up LT-22222-LA as an NC (Normally Closed) relay? ==
2699 +== 6.7 Can I set up LT-22222-LA as an NC (Normally Closed) relay? ==
2713 2713  
2714 2714  
2715 2715  The LT-22222-LA's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
... ... @@ -2719,13 +2719,13 @@
2719 2719  
2720 2720  
2721 2721  
2722 -== 7.8 Why does the LT-22222-LA always report 15.585V when measuring the AVI? ==
2709 +== 6.8 Why does the LT-22222-LA always report 15.585V when measuring the AVI? ==
2723 2723  
2724 2724  
2725 2725  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2726 2726  
2727 2727  
2728 -= 8. Troubleshooting =
2715 += 7. Troubleshooting =
2729 2729  
2730 2730  
2731 2731  This section provides some known troubleshooting tips.
... ... @@ -2735,7 +2735,7 @@
2735 2735  
2736 2736  (((
2737 2737  (((
2738 -== 8.1 Downlink isn't working. How can I solve this? ==
2725 +== 7.1 Downlink isn't working. How can I solve this? ==
2739 2739  
2740 2740  
2741 2741  )))
... ... @@ -2748,7 +2748,7 @@
2748 2748  (((
2749 2749  
2750 2750  
2751 -== 8.2 Having trouble uploading an image? ==
2738 +== 7.2 Having trouble uploading an image? ==
2752 2752  
2753 2753  
2754 2754  )))
... ... @@ -2760,7 +2760,7 @@
2760 2760  (((
2761 2761  
2762 2762  
2763 -== 8.3 Why can't I join TTN in the US915 /AU915 bands? ==
2750 +== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2764 2764  
2765 2765  
2766 2766  )))
... ... @@ -2770,7 +2770,7 @@
2770 2770  )))
2771 2771  
2772 2772  
2773 -== 8.4 Why can the LT-22222-LA perform uplink normally, but cannot receive downlink? ==
2760 +== 7.4 Why can the LT-22222-LA perform uplink normally, but cannot receive downlink? ==
2774 2774  
2775 2775  
2776 2776  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
... ... @@ -2777,7 +2777,7 @@
2777 2777  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resettingthedownlinkpacketcount"]]
2778 2778  
2779 2779  
2780 -= 9. Ordering information =
2767 += 8. Ordering information =
2781 2781  
2782 2782  
2783 2783  (% style="color:#4f81bd" %)**LT-22222-LA-XXX:**
... ... @@ -2794,7 +2794,7 @@
2794 2794  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2795 2795  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2796 2796  
2797 -= 10. Package information =
2784 += 9. Package information =
2798 2798  
2799 2799  
2800 2800  (% style="color:#037691" %)**Package Includes**:
... ... @@ -2809,7 +2809,7 @@
2809 2809  * Package Size / pcs : 145×80×50 mm
2810 2810  * Weight / pcs : 180 g
2811 2811  
2812 -= 11. Support =
2799 += 10. Support =
2813 2813  
2814 2814  
2815 2815  * (((
... ... @@ -2821,7 +2821,7 @@
2821 2821  
2822 2822  )))
2823 2823  
2824 -= 12. Reference​​​​​ =
2811 += 11. Reference​​​​​ =
2825 2825  
2826 2826  
2827 2827  * LT-22222-LA: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]