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 < 77.31 >
edited by Xiaoling
on 2022/06/10 08:43
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... ... @@ -75,6 +75,7 @@
75 75  )))
76 76  )))
77 77  
78 +
78 78  (((
79 79  **Interface for Model: LT22222-L:**
80 80  )))
... ... @@ -98,6 +98,7 @@
98 98  Power Input 7~~ 24V DC. 
99 99  )))
100 100  
102 +
101 101  (((
102 102  **LoRa Spec:**
103 103  )))
... ... @@ -162,6 +162,8 @@
162 162  
163 163  )))
164 164  
167 +
168 +
165 165  == 1.3 Features ==
166 166  
167 167  * LoRaWAN Class A & Class C protocol
... ... @@ -172,6 +172,8 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
179 +
180 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,8 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
190 +
191 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,8 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
205 +
206 +
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 +275,8 @@
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  
288 +
289 +
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.
... ... @@ -310,6 +310,7 @@
310 310  * [1] RO1 relay channel is close and the RO1 LED is ON.
311 311  * [0] RO2 relay channel is open and RO2 LED is OFF;
312 312  
325 +
313 313  **LT22222-L:**
314 314  
315 315  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -325,6 +325,8 @@
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  
341 +
342 +
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 +739,8 @@
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  
757 +
758 +
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]]
... ... @@ -1470,7 +1470,6 @@
1470 1470  [[image:image-20220524100215-10.png||height="382" width="723"]]
1471 1471  
1472 1472  
1473 -
1474 1474  == 3.7 LEDs Indicators ==
1475 1475  
1476 1476  [[image:image-20220524100748-11.png]]
... ... @@ -1680,8 +1680,6 @@
1680 1680  
1681 1681  )))
1682 1682  
1683 -
1684 -
1685 1685  == 4.2 Common AT Command Sequence ==
1686 1686  
1687 1687  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1725,8 +1725,6 @@
1725 1725  
1726 1726  )))
1727 1727  
1728 -
1729 -
1730 1730  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1731 1731  
1732 1732  (((
... ... @@ -1800,8 +1800,6 @@
1800 1800  
1801 1801  )))
1802 1802  
1803 -
1804 -
1805 1805  === 4.2.3 Change to Class A ===
1806 1806  
1807 1807  If sensor JOINED
... ... @@ -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:
1832 +* [[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**(%%):
1835 +**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]].
1836 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1837 +**Step3: **Open flashloader; choose the correct COM port to update.
1838 +**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"]]
... ... @@ -1849,8 +1849,6 @@
1849 1849  
1850 1850  (((
1851 1851  (((
1852 -
1853 -
1854 1854  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1855 1855  )))
1856 1856  )))
... ... @@ -1857,11 +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 1861  
1862 -(((
1863 1863  
1863 +)))
1864 1864  
1865 +(((
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
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
1910 1910  )))
1911 1911  
1912 -
1913 1913  (((
1914 1914  As shown in below:
1915 1915  )))
... ... @@ -1926,11 +1926,11 @@
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]]
1929 -)))
1930 1930  
1931 -(((
1932 1932  
1928 +)))
1933 1933  
1930 +(((
1934 1934  = 6. Trouble Shooting =
1935 1935  )))
1936 1936  
... ... @@ -1942,11 +1942,11 @@
1942 1942  
1943 1943  (((
1944 1944  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1945 -)))
1946 1946  
1947 -(((
1948 1948  
1944 +)))
1949 1949  
1946 +(((
1950 1950  == 6.2 Have trouble to upload image. ==
1951 1951  )))
1952 1952  
... ... @@ -1956,7 +1956,9 @@
1956 1956  
1957 1957  (((
1958 1958  
1956 +)))
1959 1959  
1958 +(((
1960 1960  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1961 1961  )))
1962 1962  
... ... @@ -1964,58 +1964,147 @@
1964 1964  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1965 1965  )))
1966 1966  
1966 +(((
1967 +
1968 +)))
1967 1967  
1968 -
1970 +(((
1969 1969  = 7. Order Info =
1972 +)))
1970 1970  
1971 -
1974 +(((
1975 +(((
1972 1972  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1977 +)))
1978 +)))
1973 1973  
1974 -
1980 +(((
1981 +(((
1975 1975  (% style="color:#4f81bd" %)**XXX:**
1983 +)))
1984 +)))
1976 1976  
1977 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1978 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1979 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1980 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1981 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1982 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1983 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1984 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1985 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1986 +(((
1987 +* (((
1988 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1989 +)))
1990 +)))
1986 1986  
1992 +(((
1993 +* (((
1994 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1995 +)))
1996 +)))
1987 1987  
1988 -= 8. Packing Info =
1998 +(((
1999 +* (((
2000 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 +)))
2002 +)))
1989 1989  
2004 +(((
2005 +* (((
2006 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2007 +)))
2008 +)))
1990 1990  
2010 +(((
2011 +* (((
2012 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2013 +)))
2014 +)))
2015 +
2016 +(((
2017 +* (((
2018 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2019 +)))
2020 +)))
2021 +
2022 +(((
2023 +* (((
2024 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2025 +)))
2026 +)))
2027 +
2028 +(((
2029 +* (((
2030 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2031 +)))
2032 +)))
2033 +
2034 +(((
2035 +* (((
2036 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2037 +
2038 +
2039 +)))
2040 +
2041 += 8. Packing Info =
2042 +)))
2043 +
2044 +(((
2045 +(((
1991 1991  **Package Includes**:
2047 +)))
2048 +)))
1992 1992  
2050 +(((
2051 +(((
1993 1993  * LT-22222-L I/O Controller x 1
1994 1994  * Stick Antenna for LoRa RF part x 1
1995 1995  * Bracket for controller x1
1996 1996  * Program cable x 1
2056 +)))
2057 +)))
1997 1997  
2059 +(((
2060 +(((
1998 1998  **Dimension and weight**:
2062 +)))
2063 +)))
1999 1999  
2065 +(((
2066 +(((
2000 2000  * Device Size: 13.5 x 7 x 3 cm
2001 2001  * Device Weight: 105g
2002 2002  * Package Size / pcs : 14.5 x 8 x 5 cm
2003 2003  * Weight / pcs : 170g
2004 2004  
2072 +
2073 +)))
2074 +)))
2005 2005  
2076 +(((
2006 2006  = 9. Support =
2078 +)))
2007 2007  
2008 2008  * (((
2081 +(((
2009 2009  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.
2010 2010  )))
2084 +)))
2011 2011  * (((
2012 -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.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2086 +(((
2087 +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
2013 2013  )))
2089 +)))
2014 2014  
2091 +(((
2092 +(((
2093 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2015 2015  
2095 +
2096 +)))
2097 +
2098 +(((
2016 2016  = 10. Reference​​​​​ =
2017 2017  
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]]
2101 +* Product Page:
2102 +
2103 +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]]
2104 +
2019 2019  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2020 2020  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2021 2021  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2108 +)))
2109 +)))

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