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Last modified by Kilight Cao on 2025/07/03 15:34
From version 55.3
edited by Kilight Cao
on 2025/07/03 15:10
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

Details

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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 +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  (((
... ... @@ -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.
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.
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.**
... ... @@ -506,6 +506,9 @@
506 506  
507 507  
508 508  
511 +
512 +
513 +
509 509  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
510 510  
511 511  
... ... @@ -544,6 +544,9 @@
544 544  
545 545  
546 546  
552 +
553 +
554 +
547 547  (((
548 548  **To activate this mode, run the following AT commands:**
549 549  )))
... ... @@ -638,6 +638,9 @@
638 638  
639 639  
640 640  
649 +
650 +
651 +
641 641  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
642 642  
643 643  
... ... @@ -700,6 +700,9 @@
700 700  
701 701  
702 702  
714 +
715 +
716 +
703 703  === 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
704 704  
705 705  
... ... @@ -2280,6 +2280,9 @@
2280 2280  
2281 2281  
2282 2282  
2297 +
2298 +
2299 +
2283 2283  (% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2284 2284  
2285 2285  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.
... ... @@ -2547,23 +2547,40 @@
2547 2547  == 5.1 Counting how many objects pass through the flow line ==
2548 2548  
2549 2549  
2550 -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]].
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/]].
2551 2551  
2552 2552  
2553 -= 6. FAQ =
2570 += 6. OTA Firmware update =
2554 2554  
2555 2555  
2556 -This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2573 +(% class="wikigeneratedid" %)
2574 +User can change firmware LT-22222-LA to:
2557 2557  
2576 +* Change Frequency band/ region.
2577 +* Update with new features.
2578 +* Fix bugs.
2558 2558  
2559 -== 6.1 How to update the firmware? ==
2580 +Firmware and changelog can be downloaded from : **[[Firmware download link>>https://www.dropbox.com/sh/fis3g6nmhv0eokg/AAC6BcCZaX4BdqZkduUvZ3jIa?dl=0]]**
2560 2560  
2561 2561  
2583 +Methods to Update Firmware:
2562 2562  
2585 +* (Recommanded way) OTA firmware update via wireless : **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
2586 +* Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
2563 2563  
2588 +
2589 +
2590 += 7. FAQ =
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 +
2564 2564  (((
2565 2565  (((
2566 -== 6.2 How to change the LoRaWAN frequency band/region? ==
2600 +== 7.2 How to change the LoRaWAN frequency band/region? ==
2567 2567  
2568 2568  
2569 2569  )))
... ... @@ -2570,13 +2570,13 @@
2570 2570  )))
2571 2571  
2572 2572  (((
2573 -You can follow the introductions on [[how to upgrade the image>>||anchor="H6.1Howtoupdatethefirmware3F"]]. 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.
2574 2574  )))
2575 2575  
2576 2576  (((
2577 2577  
2578 2578  
2579 -== 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? ==
2580 2580  
2581 2581  
2582 2582  )))
... ... @@ -2606,7 +2606,7 @@
2606 2606  )))
2607 2607  
2608 2608  {{warning}}
2609 -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.
2610 2610  {{/warning}}
2611 2611  
2612 2612  
... ... @@ -2650,13 +2650,13 @@
2650 2650  [[image:1653360498588-932.png]]
2651 2651  
2652 2652  
2653 -== 6.4 How to change the uplink interval? ==
2687 +== 7.4 How to change the uplink interval? ==
2654 2654  
2655 2655  
2656 2656  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/]]
2657 2657  
2658 2658  
2659 -== 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? ==
2660 2660  
2661 2661  
2662 2662  (((
... ... @@ -2667,7 +2667,7 @@
2667 2667  )))
2668 2668  
2669 2669  (((
2670 -== 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? ==
2671 2671  
2672 2672  
2673 2673  * If the device is not properly shut down and is directly powered off.
... ... @@ -2675,7 +2675,7 @@
2675 2675  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2676 2676  * After a restart, the status before the power failure will be read from Flash.
2677 2677  
2678 -== 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? ==
2679 2679  
2680 2680  
2681 2681  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:
... ... @@ -2685,13 +2685,13 @@
2685 2685  
2686 2686  
2687 2687  
2688 -== 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? ==
2689 2689  
2690 2690  
2691 2691  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2692 2692  
2693 2693  
2694 -= 7. Troubleshooting =
2728 += 8. Troubleshooting =
2695 2695  
2696 2696  
2697 2697  This section provides some known troubleshooting tips.
... ... @@ -2701,7 +2701,7 @@
2701 2701  
2702 2702  (((
2703 2703  (((
2704 -== 7.1 Downlink isn't working. How can I solve this? ==
2738 +== 8.1 Downlink isn't working. How can I solve this? ==
2705 2705  
2706 2706  
2707 2707  )))
... ... @@ -2714,7 +2714,7 @@
2714 2714  (((
2715 2715  
2716 2716  
2717 -== 7.2 Having trouble uploading an image? ==
2751 +== 8.2 Having trouble uploading an image? ==
2718 2718  
2719 2719  
2720 2720  )))
... ... @@ -2726,7 +2726,7 @@
2726 2726  (((
2727 2727  
2728 2728  
2729 -== 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? ==
2730 2730  
2731 2731  
2732 2732  )))
... ... @@ -2736,7 +2736,7 @@
2736 2736  )))
2737 2737  
2738 2738  
2739 -== 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? ==
2740 2740  
2741 2741  
2742 2742  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
... ... @@ -2743,10 +2743,10 @@
2743 2743  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resettingthedownlinkpacketcount"]]
2744 2744  
2745 2745  
2746 -= 8. Ordering information =
2780 += 9. Ordering information =
2747 2747  
2748 2748  
2749 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2783 +(% style="color:#4f81bd" %)**LT-22222-LA-XXX:**
2750 2750  
2751 2751  (% style="color:#4f81bd" %)**XXX:**
2752 2752  
... ... @@ -2760,13 +2760,13 @@
2760 2760  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2761 2761  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2762 2762  
2763 -= 9. Package information =
2797 += 10. Package information =
2764 2764  
2765 2765  
2766 2766  (% style="color:#037691" %)**Package Includes**:
2767 2767  
2768 -* 1 x LT-22222-L I/O Controller
2769 -* 1 x LoRa antenna matched to the frequency of the LT-22222-L
2802 +* 1 x LT-22222-LA I/O Controller
2803 +* 1 x LoRa antenna matched to the frequency of the LT-22222-LA
2770 2770  * 1 x bracket for DIN rail mounting
2771 2771  * 1 x 3.5 mm programming cable
2772 2772  
... ... @@ -2775,7 +2775,7 @@
2775 2775  * Package Size / pcs : 145×80×50 mm
2776 2776  * Weight / pcs : 180 g
2777 2777  
2778 -= 10. Support =
2812 += 11. Support =
2779 2779  
2780 2780  
2781 2781  * (((
... ... @@ -2787,7 +2787,7 @@
2787 2787  
2788 2788  )))
2789 2789  
2790 -= 11. Reference​​​​​ =
2824 += 12. Reference​​​​​ =
2791 2791  
2792 2792  
2793 2793  * 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]]