Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.36 >
edited by Xiaoling
on 2022/06/10 08:54
To version < 77.47 >
edited by Xiaoling
on 2022/06/10 09:03
>
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Summary

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Content
... ... @@ -162,7 +162,6 @@
162 162  
163 163  )))
164 164  
165 -
166 166  == 1.3 Features ==
167 167  
168 168  * LoRaWAN Class A & Class C protocol
... ... @@ -173,7 +173,6 @@
173 173  * Firmware upgradable via program port
174 174  * Counting
175 175  
176 -
177 177  == 1.4  Applications ==
178 178  
179 179  * Smart Buildings & Home Automation
... ... @@ -183,7 +183,6 @@
183 183  * Smart Cities
184 184  * Smart Factory
185 185  
186 -
187 187  == 1.5 Hardware Variants ==
188 188  
189 189  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -197,7 +197,6 @@
197 197  * 1 x Counting Port
198 198  )))
199 199  
200 -
201 201  = 2. Power ON Device =
202 202  
203 203  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -279,7 +279,6 @@
279 279  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
280 280  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
281 281  
282 -
283 283  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
284 284  
285 285  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -330,7 +330,6 @@
330 330  ** DO1 is high in case there is load between DO1 and V+.
331 331  ** DO1 LED is off in both case
332 332  
333 -
334 334  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
335 335  
336 336  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -745,7 +745,6 @@
745 745  
746 746  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
747 747  
748 -
749 749  === 3.4.1 Common Commands ===
750 750  
751 751  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
... ... @@ -1820,19 +1820,25 @@
1820 1820  
1821 1821  == 5.1 How to upgrade the image? ==
1822 1822  
1816 +
1823 1823  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1824 1824  
1825 1825  * Support new features
1826 1826  * For bug fix
1827 1827  * Change LoRaWAN bands.
1822 +
1828 1828  Below shows the hardware connection for how to upload an image to the LT:
1829 -* [[image:1653359603330-121.png]]
1830 1830  
1825 +[[image:1653359603330-121.png]]
1826 +
1827 +
1831 1831  (((
1832 -**Step1:** Download [[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]].
1833 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1834 -**Step3: **Open flashloader; choose the correct COM port to update.
1835 -**For LT-22222-L**:
1829 +(% style="color:blue" %)**Step1**(%%)**:** Download [[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]].
1830 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1831 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1832 +
1833 +
1834 +(% style="color:blue" %)**For LT-22222-L**(%%):
1836 1836  Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1837 1837  )))
1838 1838  
... ... @@ -1842,6 +1842,7 @@
1842 1842  
1843 1843  [[image:image-20220524104033-15.png]]
1844 1844  
1844 +
1845 1845  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1846 1846  
1847 1847  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1857,14 +1857,11 @@
1857 1857  
1858 1858  (((
1859 1859  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1860 -
1861 -
1862 1862  )))
1863 1863  
1864 1864  (((
1865 1865  
1866 1866  
1867 -
1868 1868  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1869 1869  )))
1870 1870  
... ... @@ -1877,6 +1877,8 @@
1877 1877  (((
1878 1878  (((
1879 1879  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1877 +
1878 +
1880 1880  )))
1881 1881  )))
1882 1882  
... ... @@ -1892,23 +1892,25 @@
1892 1892  (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.
1893 1893  )))
1894 1894  
1894 +
1895 1895  (((
1896 1896  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1901 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1902 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1903 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1904 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1905 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1906 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1907 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1908 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1909 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1900 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1901 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1902 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1903 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1904 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1905 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1906 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1907 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1908 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1909 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1910 1910  )))
1911 1911  
1912 +
1912 1912  (((
1913 1913  As shown in below:
1914 1914  )))
... ... @@ -1925,8 +1925,6 @@
1925 1925  == 5.5 Can i use point to point communication for LT-22222-L? ==
1926 1926  
1927 1927  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1928 -
1929 -
1930 1930  )))
1931 1931  
1932 1932  (((
... ... @@ -1943,8 +1943,6 @@
1943 1943  
1944 1944  (((
1945 1945  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1946 -
1947 -
1948 1948  )))
1949 1949  
1950 1950  (((
... ... @@ -1959,11 +1959,7 @@
1959 1959  
1960 1960  (((
1961 1961  
1962 -)))
1963 1963  
1964 -(((
1965 -
1966 -
1967 1967  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1968 1968  )))
1969 1969  
... ... @@ -1992,7 +1992,6 @@
1992 1992  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1993 1993  
1994 1994  
1995 -
1996 1996  = 8. Packing Info =
1997 1997  
1998 1998  
... ... @@ -2003,7 +2003,6 @@
2003 2003  * Bracket for controller x1
2004 2004  * Program cable x 1
2005 2005  
2006 -
2007 2007  **Dimension and weight**:
2008 2008  
2009 2009  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -2012,7 +2012,6 @@
2012 2012  * Weight / pcs : 170g
2013 2013  
2014 2014  
2015 -
2016 2016  = 9. Support =
2017 2017  
2018 2018  * (((
... ... @@ -2023,7 +2023,6 @@
2023 2023  )))
2024 2024  
2025 2025  
2026 -
2027 2027  = 10. Reference​​​​​ =
2028 2028  
2029 2029  * LT-22222-L: [[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]]

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