Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.45 >
edited by Xiaoling
on 2022/06/10 09:03
To version < 77.34 >
edited by Xiaoling
on 2022/06/10 08:52
>
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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]]
... ... @@ -1818,19 +1818,14 @@
1818 1818  * Support new features
1819 1819  * For bug fix
1820 1820  * Change LoRaWAN bands.
1821 -
1822 1822  Below shows the hardware connection for how to upload an image to the LT:
1829 +* [[image:1653359603330-121.png]]
1823 1823  
1824 -[[image:1653359603330-121.png]]
1825 -
1826 -
1827 1827  (((
1828 -(% 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]].
1829 -(% 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/]].
1830 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1831 -
1832 -
1833 -(% 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**:
1834 1834  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.
1835 1835  )))
1836 1836  
... ... @@ -1855,11 +1855,14 @@
1855 1855  
1856 1856  (((
1857 1857  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 +
1858 1858  )))
1859 1859  
1860 1860  (((
1861 1861  
1862 1862  
1867 +
1863 1863  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1864 1864  )))
1865 1865  
... ... @@ -1872,8 +1872,6 @@
1872 1872  (((
1873 1873  (((
1874 1874  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1875 -
1876 -
1877 1877  )))
1878 1878  )))
1879 1879  
... ... @@ -1889,25 +1889,23 @@
1889 1889  (% 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.
1890 1890  )))
1891 1891  
1892 -
1893 1893  (((
1894 1894  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1895 1895  )))
1896 1896  
1897 1897  (((
1898 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1899 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1900 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1901 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1902 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1903 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1904 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1905 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1906 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1907 -(% 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
1908 1908  )))
1909 1909  
1910 -
1911 1911  (((
1912 1912  As shown in below:
1913 1913  )))
... ... @@ -1924,6 +1924,8 @@
1924 1924  == 5.5 Can i use point to point communication for LT-22222-L? ==
1925 1925  
1926 1926  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1928 +
1929 +
1927 1927  )))
1928 1928  
1929 1929  (((
... ... @@ -1940,6 +1940,8 @@
1940 1940  
1941 1941  (((
1942 1942  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1946 +
1947 +
1943 1943  )))
1944 1944  
1945 1945  (((
... ... @@ -1954,7 +1954,11 @@
1954 1954  
1955 1955  (((
1956 1956  
1962 +)))
1957 1957  
1964 +(((
1965 +
1966 +
1958 1958  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1959 1959  )))
1960 1960  
... ... @@ -1983,6 +1983,7 @@
1983 1983  * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1984 1984  
1985 1985  
1995 +
1986 1986  = 8. Packing Info =
1987 1987  
1988 1988  
... ... @@ -1993,6 +1993,7 @@
1993 1993  * Bracket for controller x1
1994 1994  * Program cable x 1
1995 1995  
2006 +
1996 1996  **Dimension and weight**:
1997 1997  
1998 1998  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -2011,9 +2011,10 @@
2011 2011  )))
2012 2012  
2013 2013  
2025 +
2014 2014  = 10. Reference​​​​​ =
2015 2015  
2016 -* 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]]
2028 +* Product Page: 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]]
2017 2017  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2018 2018  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2019 2019  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]

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