Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.53 >
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]]
... ... @@ -1490,7 +1490,6 @@
1490 1490  
1491 1491  [[image:1653358355238-883.png]]
1492 1492  
1493 -
1494 1494  (((
1495 1495  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1496 1496  )))
... ... @@ -1681,16 +1681,12 @@
1681 1681  
1682 1682  )))
1683 1683  
1684 -
1685 -
1686 1686  == 4.2 Common AT Command Sequence ==
1687 1687  
1688 1688  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1689 1689  
1690 1690  (((
1691 -
1692 -
1693 -**If device has not joined network yet:**
1704 +If device has not joined network yet:
1694 1694  )))
1695 1695  
1696 1696  (((
... ... @@ -1715,7 +1715,7 @@
1715 1715  
1716 1716  
1717 1717  (((
1718 -**If device already joined network:**
1729 +If device already joined network:
1719 1719  )))
1720 1720  
1721 1721  (((
... ... @@ -1728,14 +1728,10 @@
1728 1728  
1729 1729  )))
1730 1730  
1731 -
1732 -
1733 1733  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1734 1734  
1735 1735  (((
1736 -
1737 -
1738 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1745 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1739 1739  )))
1740 1740  
1741 1741  (((
... ... @@ -1743,7 +1743,7 @@
1743 1743  )))
1744 1744  
1745 1745  (((
1746 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1753 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1747 1747  )))
1748 1748  
1749 1749  (((
... ... @@ -1751,41 +1751,39 @@
1751 1751  )))
1752 1752  
1753 1753  (((
1754 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1761 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1755 1755  )))
1756 1756  
1757 1757  (((
1758 -(% 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
1759 1759  )))
1760 1760  
1761 1761  (((
1762 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1769 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1763 1763  )))
1764 1764  
1765 1765  (((
1766 -(% 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
1767 1767  )))
1768 1768  
1769 1769  (((
1770 -(% 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
1771 1771  )))
1772 1772  
1773 1773  (((
1774 -(% 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)
1775 1775  )))
1776 1776  
1777 1777  (((
1778 -(% 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
1779 1779  )))
1780 1780  
1781 1781  (((
1782 -(% 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.
1783 1783  )))
1784 1784  
1785 1785  (((
1786 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1787 -
1788 -
1793 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1789 1789  )))
1790 1790  
1791 1791  (((
... ... @@ -1807,7 +1807,6 @@
1807 1807  
1808 1808  )))
1809 1809  
1810 -
1811 1811  === 4.2.3 Change to Class A ===
1812 1812  
1813 1813  If sensor JOINED
... ... @@ -1819,25 +1819,19 @@
1819 1819  
1820 1820  == 5.1 How to upgrade the image? ==
1821 1821  
1822 -
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.
1828 -
1829 1829  Below shows the hardware connection for how to upload an image to the LT:
1832 +* [[image:1653359603330-121.png]]
1830 1830  
1831 -[[image:1653359603330-121.png]]
1832 -
1833 -
1834 1834  (((
1835 -(% 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]].
1836 -(% 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/]].
1837 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1838 -
1839 -
1840 -(% 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**:
1841 1841  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.
1842 1842  )))
1843 1843  
... ... @@ -1847,7 +1847,6 @@
1847 1847  
1848 1848  [[image:image-20220524104033-15.png]]
1849 1849  
1850 -
1851 1851  (% 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:
1852 1852  
1853 1853  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1855,8 +1855,6 @@
1855 1855  
1856 1856  (((
1857 1857  (((
1858 -
1859 -
1860 1860  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1861 1861  )))
1862 1862  )))
... ... @@ -1863,11 +1863,11 @@
1863 1863  
1864 1864  (((
1865 1865  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1866 -)))
1867 1867  
1868 -(((
1869 1869  
1863 +)))
1870 1870  
1865 +(((
1871 1871  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1872 1872  )))
1873 1873  
... ... @@ -1880,8 +1880,6 @@
1880 1880  (((
1881 1881  (((
1882 1882  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1883 -
1884 -
1885 1885  )))
1886 1886  )))
1887 1887  
... ... @@ -1897,25 +1897,23 @@
1897 1897  (% 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.
1898 1898  )))
1899 1899  
1900 -
1901 1901  (((
1902 1902  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1903 1903  )))
1904 1904  
1905 1905  (((
1906 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1907 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1908 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1909 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1910 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1911 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1912 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1913 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1914 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1915 -(% 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
1916 1916  )))
1917 1917  
1918 -
1919 1919  (((
1920 1920  As shown in below:
1921 1921  )))
... ... @@ -1932,11 +1932,11 @@
1932 1932  == 5.5 Can i use point to point communication for LT-22222-L? ==
1933 1933  
1934 1934  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1935 -)))
1936 1936  
1937 -(((
1938 1938  
1928 +)))
1939 1939  
1930 +(((
1940 1940  = 6. Trouble Shooting =
1941 1941  )))
1942 1942  
... ... @@ -1948,11 +1948,11 @@
1948 1948  
1949 1949  (((
1950 1950  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1951 -)))
1952 1952  
1953 -(((
1954 1954  
1944 +)))
1955 1955  
1946 +(((
1956 1956  == 6.2 Have trouble to upload image. ==
1957 1957  )))
1958 1958  
... ... @@ -1962,7 +1962,9 @@
1962 1962  
1963 1963  (((
1964 1964  
1956 +)))
1965 1965  
1958 +(((
1966 1966  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1967 1967  )))
1968 1968  
... ... @@ -1970,58 +1970,147 @@
1970 1970  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1971 1971  )))
1972 1972  
1966 +(((
1967 +
1968 +)))
1973 1973  
1974 -
1970 +(((
1975 1975  = 7. Order Info =
1972 +)))
1976 1976  
1977 -
1974 +(((
1975 +(((
1978 1978  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1977 +)))
1978 +)))
1979 1979  
1980 -
1980 +(((
1981 +(((
1981 1981  (% style="color:#4f81bd" %)**XXX:**
1983 +)))
1984 +)))
1982 1982  
1983 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1984 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1985 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1986 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1987 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1988 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1989 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1990 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1991 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1986 +(((
1987 +* (((
1988 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1989 +)))
1990 +)))
1992 1992  
1992 +(((
1993 +* (((
1994 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1995 +)))
1996 +)))
1993 1993  
1994 -= 8. Packing Info =
1998 +(((
1999 +* (((
2000 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 +)))
2002 +)))
1995 1995  
2004 +(((
2005 +* (((
2006 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2007 +)))
2008 +)))
1996 1996  
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 +(((
1997 1997  **Package Includes**:
2047 +)))
2048 +)))
1998 1998  
2050 +(((
2051 +(((
1999 1999  * LT-22222-L I/O Controller x 1
2000 2000  * Stick Antenna for LoRa RF part x 1
2001 2001  * Bracket for controller x1
2002 2002  * Program cable x 1
2056 +)))
2057 +)))
2003 2003  
2059 +(((
2060 +(((
2004 2004  **Dimension and weight**:
2062 +)))
2063 +)))
2005 2005  
2065 +(((
2066 +(((
2006 2006  * Device Size: 13.5 x 7 x 3 cm
2007 2007  * Device Weight: 105g
2008 2008  * Package Size / pcs : 14.5 x 8 x 5 cm
2009 2009  * Weight / pcs : 170g
2010 2010  
2072 +
2073 +)))
2074 +)))
2011 2011  
2076 +(((
2012 2012  = 9. Support =
2078 +)))
2013 2013  
2014 2014  * (((
2081 +(((
2015 2015  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.
2016 2016  )))
2084 +)))
2017 2017  * (((
2018 -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
2019 2019  )))
2089 +)))
2020 2020  
2091 +(((
2092 +(((
2093 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2021 2021  
2095 +
2096 +)))
2097 +
2098 +(((
2022 2022  = 10. Reference​​​​​ =
2023 2023  
2024 -* 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 +
2025 2025  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2026 2026  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2027 2027  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2108 +)))
2109 +)))

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