<
From version < 179.1 >
edited by Dilisi S
on 2024/11/09 05:29
To version < 178.1 >
edited by Dilisi S
on 2024/11/09 02:59
>
Change comment: Nov 8 edits - part 1

Summary

Details

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Content
... ... @@ -205,6 +205,7 @@
205 205  * Create an application if you do not have one yet.
206 206  * Register LT-22222-L with that application. Two registration options are available:
207 207  
208 +(% class="wikigeneratedid" %)
208 208  ==== ====
209 209  
210 210  ==== 3.2.2.1 Using the LoRaWAN Device Repository ====
... ... @@ -227,6 +227,7 @@
227 227  
228 228  [[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
229 229  
231 +(% class="wikigeneratedid" %)
230 230  ==== ====
231 231  
232 232  ==== 3.2.2.2 Entering device information manually ====
... ... @@ -299,6 +299,7 @@
299 299  
300 300  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
301 301  
304 +
302 302  The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
303 303  
304 304  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
... ... @@ -2099,38 +2099,31 @@
2099 2099  
2100 2100  = 6. FAQ =
2101 2101  
2102 -== 6.1 How to update the firmware? ==
2105 +== 6.1 How to upgrade the firmware image? ==
2103 2103  
2104 2104  
2105 -Dragino frequently releases firmware updates for the LT-22222-L.
2108 +The LT-22222-L I/O Controller is shipped with a 3.5mm cable, which is used to upload an image to LT in order to:
2106 2106  
2107 -Updating your LT-22222-L with the latest firmware version helps to:
2110 +* Support new features.
2111 +* Fix bugs.
2112 +* Change LoRaWAN bands.
2108 2108  
2109 -* Support new features
2110 -* Fix bugs
2111 -* Change LoRaWAN frequency bands
2114 +Below is the hardware connection setup for uploading an firmware image to the LT-22222-L:
2112 2112  
2113 -You will need the following things before proceeding:
2116 +(% class="box infomessage" %)
2117 +(((
2118 +The latest firmware version available for the LT-22222-L is v1.6.1 at the time of this writing.
2119 +)))
2114 2114  
2115 -* 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
2116 -* USB to TTL adapter
2117 -* Download and install the [[STM32 Flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
2118 -* Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region.
2119 -
2120 -{{info}}
2121 -As of this writing, the latest firmware version available for the LT-22222-L is v1.6.1.
2122 -{{/info}}
2123 -
2124 -Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2125 -
2126 -
2127 2127  [[image:1653359603330-121.png]]
2128 2128  
2129 2129  
2130 -Start the STM32 Flash Loader and choose the correct COM port to update.
2124 +(((
2125 +(% style="color:#0000ff" %)**Step 1**(%%)**:** Download the F[[lash Loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
2126 +(% style="color:#0000ff" %)**Step 2**(%%)**:** Download the [[LT Image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]].
2127 +(% style="color:#0000ff" %)**Step 3**(%%)**:** Open the Flash Loader and choose the correct COM port to update.
2131 2131  
2132 2132  (((
2133 -(((
2134 2134  (% style="color:blue" %)**For LT-22222-L**(%%):
2135 2135  
2136 2136  Hold down the **PRO** button, then briefly press the **RST** button. The **DO1** LED will change from OFF to ON. When the **DO1** LED is ON, it indicates that the device is in firmware download mode.
... ... @@ -2155,7 +2155,7 @@
2155 2155  
2156 2156  (((
2157 2157  (((
2158 -== 6.2 How to change the LoRaWAN frequency band/region? ==
2154 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
2159 2159  
2160 2160  
2161 2161  )))
... ... @@ -2168,7 +2168,7 @@
2168 2168  (((
2169 2169  
2170 2170  
2171 -== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2167 +== 6.3 How to set up LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2172 2172  
2173 2173  
2174 2174  )))
... ... @@ -2245,56 +2245,61 @@
2245 2245  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/]]
2246 2246  
2247 2247  
2248 -== 6.5 Can I see the counting event in the serial output? ==
2244 +== 6.5 Can I see the counting event in Serial? ==
2249 2249  
2250 2250  
2251 2251  (((
2252 -You can run the AT command AT+DEBUG to view the counting event in the serial output. If the firmware is too old and doesnt support AT+DEBUG, update to the latest firmware first.
2248 +User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2253 2253  
2254 2254  
2255 2255  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
2256 2256  
2257 2257  
2258 -Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]].
2254 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]. this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2255 +
2256 +
2259 2259  )))
2260 2260  
2261 2261  (((
2262 -== 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2260 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2263 2263  
2264 2264  
2265 -* If the device is not properly shut down and is directly powered off.
2266 -* It will default to a power-off state.
2267 -* In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
2268 -* After a restart, the status before the power failure will be read from flash.
2263 +If the device is not shut down, but directly powered off.
2269 2269  
2265 +It will default that this is a power-off state.
2270 2270  
2271 -== 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2267 +In modes 2 to 5, DO RO status and pulse count are saved in flash.
2272 2272  
2269 +After restart, the status before power failure will be read from flash.
2273 2273  
2274 -The LT-22222-L'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:
2275 2275  
2272 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2276 2276  
2274 +
2275 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2276 +
2277 +
2277 2277  [[image:image-20221006170630-1.png||height="610" width="945"]]
2278 2278  
2279 2279  
2280 -== 6.9 Can the LT-22222-L save the RO state? ==
2281 +== 6.9 Can LT22222-L save RO state? ==
2281 2281  
2282 2282  
2283 -The firmware version must be at least 1.6.0.
2284 +Firmware version needs to be no less than 1.6.0.
2284 2284  
2285 2285  
2286 -== 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2287 +== 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2287 2287  
2288 2288  
2289 -It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2290 +It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2290 2290  
2291 2291  
2292 -= 7. Troubleshooting =
2293 += 7. Trouble Shooting =
2293 2293  )))
2294 2294  
2295 2295  (((
2296 2296  (((
2297 -== 7.1 Downlink isn't working. How can I solve this? ==
2298 +== 7.1 Downlink doesn't work, how to solve it? ==
2298 2298  
2299 2299  
2300 2300  )))
... ... @@ -2301,42 +2301,42 @@
2301 2301  )))
2302 2302  
2303 2303  (((
2304 -Please refer to this link for debugging instructions: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2305 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
2305 2305  )))
2306 2306  
2307 2307  (((
2308 2308  
2309 2309  
2310 -== 7.2 Having trouble uploading an image? ==
2311 +== 7.2 Have trouble to upload image. ==
2311 2311  
2312 2312  
2313 2313  )))
2314 2314  
2315 2315  (((
2316 -Please refer to this link for troubleshooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2317 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
2317 2317  )))
2318 2318  
2319 2319  (((
2320 2320  
2321 2321  
2322 -== 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2323 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2323 2323  
2324 2324  
2325 2325  )))
2326 2326  
2327 2327  (((
2328 -It might be related to the channel mapping. [[Please refer to this link for details.>>https://github.com/dragino/LT-22222-L/releases||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2329 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2329 2329  )))
2330 2330  
2331 2331  
2332 -== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2333 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2333 2333  
2334 2334  
2335 -The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2336 -Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2336 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2337 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2337 2337  
2338 2338  
2339 -= 8. Ordering information =
2340 += 8. Order Info =
2340 2340  
2341 2341  
2342 2342  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2343,44 +2343,43 @@
2343 2343  
2344 2344  (% style="color:#4f81bd" %)**XXX:**
2345 2345  
2346 -* (% style="color:red" %)**EU433**(%%): LT with frequency bands EU433
2347 -* (% style="color:red" %)**EU868**(%%): LT with frequency bands EU868
2348 -* (% style="color:red" %)**KR920**(%%): LT with frequency bands KR920
2349 -* (% style="color:red" %)**CN470**(%%): LT with frequency bands CN470
2350 -* (% style="color:red" %)**AS923**(%%): LT with frequency bands AS923
2351 -* (% style="color:red" %)**AU915**(%%): LT with frequency bands AU915
2352 -* (% style="color:red" %)**US915**(%%): LT with frequency bands US915
2353 -* (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2354 -* (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2347 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2348 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2349 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2350 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2351 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2352 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2353 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2354 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2355 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2355 2355  
2357 += 9. Packing Info =
2356 2356  
2357 -= 9. Packing information =
2358 2358  
2360 +**Package Includes**:
2359 2359  
2360 -**Package includes**:
2361 -
2362 2362  * LT-22222-L I/O Controller x 1
2363 2363  * Stick Antenna for LoRa RF part x 1
2364 2364  * Bracket for controller x1
2365 -* 3.5mm Programming cable x 1
2365 +* Program cable x 1
2366 2366  
2367 2367  **Dimension and weight**:
2368 2368  
2369 2369  * Device Size: 13.5 x 7 x 3 cm
2370 -* Device Weight: 105 g
2370 +* Device Weight: 105g
2371 2371  * Package Size / pcs : 14.5 x 8 x 5 cm
2372 -* Weight / pcs : 170 g
2372 +* Weight / pcs : 170g
2373 2373  
2374 -
2375 2375  = 10. Support =
2376 2376  
2377 2377  
2378 2378  * (((
2379 -Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule.
2378 +Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2380 2380  )))
2381 2381  * (((
2382 -Please provide as much information as possible regarding your inquiry (e.g., product models, a detailed description of the problem, steps to replicate it, etc.) and send an email to [[support@dragino.cc>>mailto:support@dragino.cc]]
2381 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2383 2383  
2383 +
2384 2384  
2385 2385  )))
2386 2386  
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