Skip to Content
Last modified by Kilight Cao on 2025/07/03 15:34
From version 56.1
edited by Kilight Cao
on 2025/07/03 15:20
Change comment: There is no comment for this version
To version 57.5
edited by Kilight Cao
on 2025/07/03 15:30
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -29,6 +29,8 @@
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" %)**LT-22222-LA I/O Controller**(%%)**OTA upgrade** via private LoRa protocol for easy maintaining.
32 32  )))
33 33  
34 34  (((
... ... @@ -507,6 +507,8 @@
507 507  
508 508  
509 509  
512 +
513 +
510 510  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
511 511  
512 512  
... ... @@ -546,6 +546,8 @@
546 546  
547 547  
548 548  
553 +
554 +
549 549  (((
550 550  **To activate this mode, run the following AT commands:**
551 551  )))
... ... @@ -641,6 +641,8 @@
641 641  
642 642  
643 643  
650 +
651 +
644 644  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
645 645  
646 646  
... ... @@ -704,6 +704,8 @@
704 704  
705 705  
706 706  
715 +
716 +
707 707  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
708 708  
709 709  
... ... @@ -2285,6 +2285,8 @@
2285 2285  
2286 2286  
2287 2287  
2298 +
2299 +
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.
... ... @@ -2555,15 +2555,9 @@
2555 2555  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/]].
2556 2556  
2557 2557  
2558 -= 6. FAQ =
2570 += 6. OTA Firmware update =
2559 2559  
2560 2560  
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 -
2567 2567  (% class="wikigeneratedid" %)
2568 2568  User can change firmware LT-22222-LA to:
2569 2569  
... ... @@ -2581,10 +2581,17 @@
2581 2581  
2582 2582  
2583 2583  
2590 += 7. FAQ =
2584 2584  
2592 +
2593 +This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2594 +
2595 +
2596 +
2597 +
2585 2585  (((
2586 2586  (((
2587 -== 6.2 How to change the LoRaWAN frequency band/region? ==
2600 +== 7.2 How to change the LoRaWAN frequency band/region? ==
2588 2588  
2589 2589  
2590 2590  )))
... ... @@ -2591,13 +2591,13 @@
2591 2591  )))
2592 2592  
2593 2593  (((
2594 -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.
2607 +You can follow the introductions on [[how to upgrade the image>>doc:]]. When downloading, select the required image file.
2595 2595  )))
2596 2596  
2597 2597  (((
2598 2598  
2599 2599  
2600 -== 6.3 How to set up LT-22222-LA to work with a Single Channel Gateway, such as LG01/LG02? ==
2613 +== 7.3 How to set up LT-22222-LA to work with a Single Channel Gateway, such as LG01/LG02? ==
2601 2601  
2602 2602  
2603 2603  )))
... ... @@ -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.
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.
2631 2631  {{/warning}}
2632 2632  
2633 2633  
... ... @@ -2671,13 +2671,13 @@
2671 2671  [[image:1653360498588-932.png]]
2672 2672  
2673 2673  
2674 -== 6.4 How to change the uplink interval? ==
2687 +== 7.4 How to change the uplink interval? ==
2675 2675  
2676 2676  
2677 2677  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/]]
2678 2678  
2679 2679  
2680 -== 6.5 Can I see the counting event in the serial output? ==
2693 +== 7.5 Can I see the counting event in the serial output? ==
2681 2681  
2682 2682  
2683 2683  (((
... ... @@ -2688,7 +2688,7 @@
2688 2688  )))
2689 2689  
2690 2690  (((
2691 -== 6.6 Why does the relay output default to an open relay after the LT-22222-LA is powered off? ==
2704 +== 7.6 Why does the relay output default to an open relay after the LT-22222-LA is powered off? ==
2692 2692  
2693 2693  
2694 2694  * If the device is not properly shut down and is directly powered off.
... ... @@ -2696,7 +2696,7 @@
2696 2696  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2697 2697  * After a restart, the status before the power failure will be read from Flash.
2698 2698  
2699 -== 6.7 Can I set up LT-22222-LA as an NC (Normally Closed) relay? ==
2712 +== 7.7 Can I set up LT-22222-LA as an NC (Normally Closed) relay? ==
2700 2700  
2701 2701  
2702 2702  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:
... ... @@ -2706,13 +2706,13 @@
2706 2706  
2707 2707  
2708 2708  
2709 -== 6.8 Why does the LT-22222-LA always report 15.585V when measuring the AVI? ==
2722 +== 7.8 Why does the LT-22222-LA always report 15.585V when measuring the AVI? ==
2710 2710  
2711 2711  
2712 2712  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2713 2713  
2714 2714  
2715 -= 7. Troubleshooting =
2728 += 8. Troubleshooting =
2716 2716  
2717 2717  
2718 2718  This section provides some known troubleshooting tips.
... ... @@ -2722,7 +2722,7 @@
2722 2722  
2723 2723  (((
2724 2724  (((
2725 -== 7.1 Downlink isn't working. How can I solve this? ==
2738 +== 8.1 Downlink isn't working. How can I solve this? ==
2726 2726  
2727 2727  
2728 2728  )))
... ... @@ -2735,7 +2735,7 @@
2735 2735  (((
2736 2736  
2737 2737  
2738 -== 7.2 Having trouble uploading an image? ==
2751 +== 8.2 Having trouble uploading an image? ==
2739 2739  
2740 2740  
2741 2741  )))
... ... @@ -2747,7 +2747,7 @@
2747 2747  (((
2748 2748  
2749 2749  
2750 -== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2763 +== 8.3 Why can't I join TTN in the US915 /AU915 bands? ==
2751 2751  
2752 2752  
2753 2753  )))
... ... @@ -2757,7 +2757,7 @@
2757 2757  )))
2758 2758  
2759 2759  
2760 -== 7.4 Why can the LT-22222-LA perform uplink normally, but cannot receive downlink? ==
2773 +== 8.4 Why can the LT-22222-LA perform uplink normally, but cannot receive downlink? ==
2761 2761  
2762 2762  
2763 2763  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
... ... @@ -2764,7 +2764,7 @@
2764 2764  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resettingthedownlinkpacketcount"]]
2765 2765  
2766 2766  
2767 -= 8. Ordering information =
2780 += 9. Ordering information =
2768 2768  
2769 2769  
2770 2770  (% style="color:#4f81bd" %)**LT-22222-LA-XXX:**
... ... @@ -2781,7 +2781,7 @@
2781 2781  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2782 2782  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2783 2783  
2784 -= 9. Package information =
2797 += 10. Package information =
2785 2785  
2786 2786  
2787 2787  (% style="color:#037691" %)**Package Includes**:
... ... @@ -2796,7 +2796,7 @@
2796 2796  * Package Size / pcs : 145×80×50 mm
2797 2797  * Weight / pcs : 180 g
2798 2798  
2799 -= 10. Support =
2812 += 11. Support =
2800 2800  
2801 2801  
2802 2802  * (((
... ... @@ -2808,7 +2808,7 @@
2808 2808  
2809 2809  )))
2810 2810  
2811 -= 11. Reference​​​​​ =
2824 += 12. Reference​​​​​ =
2812 2812  
2813 2813  
2814 2814  * 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]]