Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.47 >
edited by Xiaoling
on 2022/06/10 09:03
To version < 77.37 >
edited by Xiaoling
on 2022/06/10 08:55
>
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Summary

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Content
... ... @@ -162,6 +162,7 @@
162 162  
163 163  )))
164 164  
165 +
165 165  == 1.3 Features ==
166 166  
167 167  * LoRaWAN Class A & Class C protocol
... ... @@ -172,6 +172,7 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
176 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,7 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
186 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,7 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
200 +
197 197  = 2. Power ON Device =
198 198  
199 199  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.
... ... @@ -275,6 +275,7 @@
275 275  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
276 276  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
277 277  
282 +
278 278  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
279 279  
280 280  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -325,6 +325,7 @@
325 325  ** DO1 is high in case there is load between DO1 and V+.
326 326  ** DO1 LED is off in both case
327 327  
333 +
328 328  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
329 329  
330 330  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -739,6 +739,7 @@
739 739  
740 740  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
741 741  
748 +
742 742  === 3.4.1 Common Commands ===
743 743  
744 744  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]]
... ... @@ -1813,25 +1813,19 @@
1813 1813  
1814 1814  == 5.1 How to upgrade the image? ==
1815 1815  
1816 -
1817 1817  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1818 1818  
1819 1819  * Support new features
1820 1820  * For bug fix
1821 1821  * Change LoRaWAN bands.
1822 -
1823 1823  Below shows the hardware connection for how to upload an image to the LT:
1829 +* [[image:1653359603330-121.png]]
1824 1824  
1825 -[[image:1653359603330-121.png]]
1826 -
1827 -
1828 1828  (((
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**(%%):
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**:
1835 1835  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.
1836 1836  )))
1837 1837  
... ... @@ -1841,7 +1841,6 @@
1841 1841  
1842 1842  [[image:image-20220524104033-15.png]]
1843 1843  
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"]]
... ... @@ -1857,11 +1857,14 @@
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 +
1860 1860  )))
1861 1861  
1862 1862  (((
1863 1863  
1864 1864  
1867 +
1865 1865  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1866 1866  )))
1867 1867  
... ... @@ -1874,8 +1874,6 @@
1874 1874  (((
1875 1875  (((
1876 1876  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1877 -
1878 -
1879 1879  )))
1880 1880  )))
1881 1881  
... ... @@ -1891,25 +1891,23 @@
1891 1891  (% 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.
1892 1892  )))
1893 1893  
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 -
1913 1913  (((
1914 1914  As shown in below:
1915 1915  )))
... ... @@ -1926,6 +1926,8 @@
1926 1926  == 5.5 Can i use point to point communication for LT-22222-L? ==
1927 1927  
1928 1928  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1928 +
1929 +
1929 1929  )))
1930 1930  
1931 1931  (((
... ... @@ -1985,6 +1985,7 @@
1985 1985  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1986 1986  
1987 1987  
1989 +
1988 1988  = 8. Packing Info =
1989 1989  
1990 1990  
... ... @@ -1995,6 +1995,7 @@
1995 1995  * Bracket for controller x1
1996 1996  * Program cable x 1
1997 1997  
2000 +
1998 1998  **Dimension and weight**:
1999 1999  
2000 2000  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -2003,6 +2003,7 @@
2003 2003  * Weight / pcs : 170g
2004 2004  
2005 2005  
2009 +
2006 2006  = 9. Support =
2007 2007  
2008 2008  * (((
... ... @@ -2013,6 +2013,7 @@
2013 2013  )))
2014 2014  
2015 2015  
2020 +
2016 2016  = 10. Reference​​​​​ =
2017 2017  
2018 2018  * 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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