Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.51 >
edited by Xiaoling
on 2022/06/10 09:06
To version < 77.31 >
edited by Xiaoling
on 2022/06/10 08:43
>
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Summary

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Content
... ... @@ -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) ===
... ... @@ -1725,14 +1725,10 @@
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  (((
1733 -
1734 -
1735 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1745 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1736 1736  )))
1737 1737  
1738 1738  (((
... ... @@ -1740,7 +1740,7 @@
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1753 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1744 1744  )))
1745 1745  
1746 1746  (((
... ... @@ -1748,41 +1748,39 @@
1748 1748  )))
1749 1749  
1750 1750  (((
1751 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1761 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1752 1752  )))
1753 1753  
1754 1754  (((
1755 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1765 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1756 1756  )))
1757 1757  
1758 1758  (((
1759 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1769 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1760 1760  )))
1761 1761  
1762 1762  (((
1763 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1773 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1764 1764  )))
1765 1765  
1766 1766  (((
1767 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1777 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1768 1768  )))
1769 1769  
1770 1770  (((
1771 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1781 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1772 1772  )))
1773 1773  
1774 1774  (((
1775 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1785 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1776 1776  )))
1777 1777  
1778 1778  (((
1779 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1789 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1780 1780  )))
1781 1781  
1782 1782  (((
1783 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1784 -
1785 -
1793 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1786 1786  )))
1787 1787  
1788 1788  (((
... ... @@ -1804,7 +1804,6 @@
1804 1804  
1805 1805  )))
1806 1806  
1807 -
1808 1808  === 4.2.3 Change to Class A ===
1809 1809  
1810 1810  If sensor JOINED
... ... @@ -1816,25 +1816,19 @@
1816 1816  
1817 1817  == 5.1 How to upgrade the image? ==
1818 1818  
1819 -
1820 1820  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1821 1821  
1822 1822  * Support new features
1823 1823  * For bug fix
1824 1824  * Change LoRaWAN bands.
1825 -
1826 1826  Below shows the hardware connection for how to upload an image to the LT:
1832 +* [[image:1653359603330-121.png]]
1827 1827  
1828 -[[image:1653359603330-121.png]]
1829 -
1830 -
1831 1831  (((
1832 -(% 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]].
1833 -(% 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/]].
1834 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1835 -
1836 -
1837 -(% 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**:
1838 1838  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.
1839 1839  )))
1840 1840  
... ... @@ -1844,7 +1844,6 @@
1844 1844  
1845 1845  [[image:image-20220524104033-15.png]]
1846 1846  
1847 -
1848 1848  (% 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:
1849 1849  
1850 1850  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1852,8 +1852,6 @@
1852 1852  
1853 1853  (((
1854 1854  (((
1855 -
1856 -
1857 1857  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1858 1858  )))
1859 1859  )))
... ... @@ -1860,11 +1860,11 @@
1860 1860  
1861 1861  (((
1862 1862  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1863 -)))
1864 1864  
1865 -(((
1866 1866  
1863 +)))
1867 1867  
1865 +(((
1868 1868  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1869 1869  )))
1870 1870  
... ... @@ -1877,8 +1877,6 @@
1877 1877  (((
1878 1878  (((
1879 1879  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1880 -
1881 -
1882 1882  )))
1883 1883  )))
1884 1884  
... ... @@ -1894,25 +1894,23 @@
1894 1894  (% 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.
1895 1895  )))
1896 1896  
1897 -
1898 1898  (((
1899 1899  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1900 1900  )))
1901 1901  
1902 1902  (((
1903 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1904 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1905 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1906 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1907 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1908 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1909 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1910 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1911 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1912 -(% 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
1913 1913  )))
1914 1914  
1915 -
1916 1916  (((
1917 1917  As shown in below:
1918 1918  )))
... ... @@ -1929,11 +1929,11 @@
1929 1929  == 5.5 Can i use point to point communication for LT-22222-L? ==
1930 1930  
1931 1931  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1932 -)))
1933 1933  
1934 -(((
1935 1935  
1928 +)))
1936 1936  
1930 +(((
1937 1937  = 6. Trouble Shooting =
1938 1938  )))
1939 1939  
... ... @@ -1945,11 +1945,11 @@
1945 1945  
1946 1946  (((
1947 1947  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1948 -)))
1949 1949  
1950 -(((
1951 1951  
1944 +)))
1952 1952  
1946 +(((
1953 1953  == 6.2 Have trouble to upload image. ==
1954 1954  )))
1955 1955  
... ... @@ -1959,7 +1959,9 @@
1959 1959  
1960 1960  (((
1961 1961  
1956 +)))
1962 1962  
1958 +(((
1963 1963  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1964 1964  )))
1965 1965  
... ... @@ -1967,58 +1967,147 @@
1967 1967  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1968 1968  )))
1969 1969  
1966 +(((
1967 +
1968 +)))
1970 1970  
1971 -
1970 +(((
1972 1972  = 7. Order Info =
1972 +)))
1973 1973  
1974 -
1974 +(((
1975 +(((
1975 1975  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1977 +)))
1978 +)))
1976 1976  
1977 -
1980 +(((
1981 +(((
1978 1978  (% style="color:#4f81bd" %)**XXX:**
1983 +)))
1984 +)))
1979 1979  
1980 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1981 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1982 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1983 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1984 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1985 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1986 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1987 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1988 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1986 +(((
1987 +* (((
1988 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1989 +)))
1990 +)))
1989 1989  
1992 +(((
1993 +* (((
1994 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1995 +)))
1996 +)))
1990 1990  
1991 -= 8. Packing Info =
1998 +(((
1999 +* (((
2000 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 +)))
2002 +)))
1992 1992  
2004 +(((
2005 +* (((
2006 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2007 +)))
2008 +)))
1993 1993  
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 +(((
1994 1994  **Package Includes**:
2047 +)))
2048 +)))
1995 1995  
2050 +(((
2051 +(((
1996 1996  * LT-22222-L I/O Controller x 1
1997 1997  * Stick Antenna for LoRa RF part x 1
1998 1998  * Bracket for controller x1
1999 1999  * Program cable x 1
2056 +)))
2057 +)))
2000 2000  
2059 +(((
2060 +(((
2001 2001  **Dimension and weight**:
2062 +)))
2063 +)))
2002 2002  
2065 +(((
2066 +(((
2003 2003  * Device Size: 13.5 x 7 x 3 cm
2004 2004  * Device Weight: 105g
2005 2005  * Package Size / pcs : 14.5 x 8 x 5 cm
2006 2006  * Weight / pcs : 170g
2007 2007  
2072 +
2073 +)))
2074 +)))
2008 2008  
2076 +(((
2009 2009  = 9. Support =
2078 +)))
2010 2010  
2011 2011  * (((
2081 +(((
2012 2012  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.
2013 2013  )))
2084 +)))
2014 2014  * (((
2015 -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
2016 2016  )))
2089 +)))
2017 2017  
2091 +(((
2092 +(((
2093 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2018 2018  
2095 +
2096 +)))
2097 +
2098 +(((
2019 2019  = 10. Reference​​​​​ =
2020 2020  
2021 -* 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 +
2022 2022  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2023 2023  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2024 2024  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2108 +)))
2109 +)))

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