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Last modified by Kilight Cao on 2025/07/03 15:34
From version 57.2
edited by Kilight Cao
on 2025/07/03 15:28
Change comment: There is no comment for this version
To version 57.4
edited by Kilight Cao
on 2025/07/03 15:30
Change comment: There is no comment for this version

Summary

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... ... @@ -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 +SN50V3-LB/LS has a **built-in BLE module**, user can configure the sensor remotely via Mobile Phone. It also support **OTA upgrade** via private LoRa protocol for easy maintaining.
32 32  )))
33 33  
34 34  (((
... ... @@ -2682,13 +2682,13 @@
2682 2682  [[image:1653360498588-932.png]]
2683 2683  
2684 2684  
2685 -== 6.4 How to change the uplink interval? ==
2687 +== 7.4 How to change the uplink interval? ==
2686 2686  
2687 2687  
2688 2688  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/]]
2689 2689  
2690 2690  
2691 -== 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? ==
2692 2692  
2693 2693  
2694 2694  (((
... ... @@ -2699,7 +2699,7 @@
2699 2699  )))
2700 2700  
2701 2701  (((
2702 -== 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? ==
2703 2703  
2704 2704  
2705 2705  * If the device is not properly shut down and is directly powered off.
... ... @@ -2707,7 +2707,7 @@
2707 2707  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2708 2708  * After a restart, the status before the power failure will be read from Flash.
2709 2709  
2710 -== 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? ==
2711 2711  
2712 2712  
2713 2713  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:
... ... @@ -2717,13 +2717,13 @@
2717 2717  
2718 2718  
2719 2719  
2720 -== 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? ==
2721 2721  
2722 2722  
2723 2723  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2724 2724  
2725 2725  
2726 -= 7. Troubleshooting =
2728 += 8. Troubleshooting =
2727 2727  
2728 2728  
2729 2729  This section provides some known troubleshooting tips.
... ... @@ -2733,7 +2733,7 @@
2733 2733  
2734 2734  (((
2735 2735  (((
2736 -== 7.1 Downlink isn't working. How can I solve this? ==
2738 +== 8.1 Downlink isn't working. How can I solve this? ==
2737 2737  
2738 2738  
2739 2739  )))
... ... @@ -2746,7 +2746,7 @@
2746 2746  (((
2747 2747  
2748 2748  
2749 -== 7.2 Having trouble uploading an image? ==
2751 +== 8.2 Having trouble uploading an image? ==
2750 2750  
2751 2751  
2752 2752  )))
... ... @@ -2758,7 +2758,7 @@
2758 2758  (((
2759 2759  
2760 2760  
2761 -== 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? ==
2762 2762  
2763 2763  
2764 2764  )))
... ... @@ -2768,7 +2768,7 @@
2768 2768  )))
2769 2769  
2770 2770  
2771 -== 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? ==
2772 2772  
2773 2773  
2774 2774  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
... ... @@ -2775,7 +2775,7 @@
2775 2775  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resettingthedownlinkpacketcount"]]
2776 2776  
2777 2777  
2778 -= 8. Ordering information =
2780 += 9. Ordering information =
2779 2779  
2780 2780  
2781 2781  (% style="color:#4f81bd" %)**LT-22222-LA-XXX:**
... ... @@ -2792,7 +2792,7 @@
2792 2792  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2793 2793  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2794 2794  
2795 -= 9. Package information =
2797 += 10. Package information =
2796 2796  
2797 2797  
2798 2798  (% style="color:#037691" %)**Package Includes**:
... ... @@ -2807,7 +2807,7 @@
2807 2807  * Package Size / pcs : 145×80×50 mm
2808 2808  * Weight / pcs : 180 g
2809 2809  
2810 -= 10. Support =
2812 += 11. Support =
2811 2811  
2812 2812  
2813 2813  * (((
... ... @@ -2819,7 +2819,7 @@
2819 2819  
2820 2820  )))
2821 2821  
2822 -= 11. Reference​​​​​ =
2824 += 12. Reference​​​​​ =
2823 2823  
2824 2824  
2825 2825  * 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]]