Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.52 >
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

Details

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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]]
... ... @@ -1680,16 +1680,12 @@
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) ===
1688 1688  
1689 1689  (((
1690 -
1691 -
1692 -**If device has not joined network yet:**
1704 +If device has not joined network yet:
1693 1693  )))
1694 1694  
1695 1695  (((
... ... @@ -1714,7 +1714,7 @@
1714 1714  
1715 1715  
1716 1716  (((
1717 -**If device already joined network:**
1729 +If device already joined network:
1718 1718  )))
1719 1719  
1720 1720  (((
... ... @@ -1727,14 +1727,10 @@
1727 1727  
1728 1728  )))
1729 1729  
1730 -
1731 -
1732 1732  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1733 1733  
1734 1734  (((
1735 -
1736 -
1737 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1745 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1738 1738  )))
1739 1739  
1740 1740  (((
... ... @@ -1742,7 +1742,7 @@
1742 1742  )))
1743 1743  
1744 1744  (((
1745 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1753 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1746 1746  )))
1747 1747  
1748 1748  (((
... ... @@ -1750,41 +1750,39 @@
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1761 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1754 1754  )))
1755 1755  
1756 1756  (((
1757 -(% 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
1758 1758  )))
1759 1759  
1760 1760  (((
1761 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1769 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1762 1762  )))
1763 1763  
1764 1764  (((
1765 -(% 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
1766 1766  )))
1767 1767  
1768 1768  (((
1769 -(% 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
1770 1770  )))
1771 1771  
1772 1772  (((
1773 -(% 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)
1774 1774  )))
1775 1775  
1776 1776  (((
1777 -(% 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
1778 1778  )))
1779 1779  
1780 1780  (((
1781 -(% 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.
1782 1782  )))
1783 1783  
1784 1784  (((
1785 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1786 -
1787 -
1793 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1788 1788  )))
1789 1789  
1790 1790  (((
... ... @@ -1806,7 +1806,6 @@
1806 1806  
1807 1807  )))
1808 1808  
1809 -
1810 1810  === 4.2.3 Change to Class A ===
1811 1811  
1812 1812  If sensor JOINED
... ... @@ -1818,25 +1818,19 @@
1818 1818  
1819 1819  == 5.1 How to upgrade the image? ==
1820 1820  
1821 -
1822 1822  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1823 1823  
1824 1824  * Support new features
1825 1825  * For bug fix
1826 1826  * Change LoRaWAN bands.
1827 -
1828 1828  Below shows the hardware connection for how to upload an image to the LT:
1832 +* [[image:1653359603330-121.png]]
1829 1829  
1830 -[[image:1653359603330-121.png]]
1831 -
1832 -
1833 1833  (((
1834 -(% 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]].
1835 -(% 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/]].
1836 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1837 -
1838 -
1839 -(% 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**:
1840 1840  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.
1841 1841  )))
1842 1842  
... ... @@ -1846,7 +1846,6 @@
1846 1846  
1847 1847  [[image:image-20220524104033-15.png]]
1848 1848  
1849 -
1850 1850  (% 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:
1851 1851  
1852 1852  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1854,8 +1854,6 @@
1854 1854  
1855 1855  (((
1856 1856  (((
1857 -
1858 -
1859 1859  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1860 1860  )))
1861 1861  )))
... ... @@ -1862,11 +1862,11 @@
1862 1862  
1863 1863  (((
1864 1864  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1865 -)))
1866 1866  
1867 -(((
1868 1868  
1863 +)))
1869 1869  
1865 +(((
1870 1870  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1871 1871  )))
1872 1872  
... ... @@ -1879,8 +1879,6 @@
1879 1879  (((
1880 1880  (((
1881 1881  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1882 -
1883 -
1884 1884  )))
1885 1885  )))
1886 1886  
... ... @@ -1896,25 +1896,23 @@
1896 1896  (% 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.
1897 1897  )))
1898 1898  
1899 -
1900 1900  (((
1901 1901  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1902 1902  )))
1903 1903  
1904 1904  (((
1905 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1906 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1907 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1908 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1909 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1910 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1911 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1912 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1913 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1914 -(% 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
1915 1915  )))
1916 1916  
1917 -
1918 1918  (((
1919 1919  As shown in below:
1920 1920  )))
... ... @@ -1931,11 +1931,11 @@
1931 1931  == 5.5 Can i use point to point communication for LT-22222-L? ==
1932 1932  
1933 1933  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1934 -)))
1935 1935  
1936 -(((
1937 1937  
1928 +)))
1938 1938  
1930 +(((
1939 1939  = 6. Trouble Shooting =
1940 1940  )))
1941 1941  
... ... @@ -1947,11 +1947,11 @@
1947 1947  
1948 1948  (((
1949 1949  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1950 -)))
1951 1951  
1952 -(((
1953 1953  
1944 +)))
1954 1954  
1946 +(((
1955 1955  == 6.2 Have trouble to upload image. ==
1956 1956  )))
1957 1957  
... ... @@ -1961,7 +1961,9 @@
1961 1961  
1962 1962  (((
1963 1963  
1956 +)))
1964 1964  
1958 +(((
1965 1965  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1966 1966  )))
1967 1967  
... ... @@ -1969,58 +1969,147 @@
1969 1969  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1970 1970  )))
1971 1971  
1966 +(((
1967 +
1968 +)))
1972 1972  
1973 -
1970 +(((
1974 1974  = 7. Order Info =
1972 +)))
1975 1975  
1976 -
1974 +(((
1975 +(((
1977 1977  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1977 +)))
1978 +)))
1978 1978  
1979 -
1980 +(((
1981 +(((
1980 1980  (% style="color:#4f81bd" %)**XXX:**
1983 +)))
1984 +)))
1981 1981  
1982 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1983 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1984 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1985 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1986 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1987 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1988 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1989 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1990 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1986 +(((
1987 +* (((
1988 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1989 +)))
1990 +)))
1991 1991  
1992 +(((
1993 +* (((
1994 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1995 +)))
1996 +)))
1992 1992  
1993 -= 8. Packing Info =
1998 +(((
1999 +* (((
2000 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 +)))
2002 +)))
1994 1994  
2004 +(((
2005 +* (((
2006 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2007 +)))
2008 +)))
1995 1995  
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 +(((
1996 1996  **Package Includes**:
2047 +)))
2048 +)))
1997 1997  
2050 +(((
2051 +(((
1998 1998  * LT-22222-L I/O Controller x 1
1999 1999  * Stick Antenna for LoRa RF part x 1
2000 2000  * Bracket for controller x1
2001 2001  * Program cable x 1
2056 +)))
2057 +)))
2002 2002  
2059 +(((
2060 +(((
2003 2003  **Dimension and weight**:
2062 +)))
2063 +)))
2004 2004  
2065 +(((
2066 +(((
2005 2005  * Device Size: 13.5 x 7 x 3 cm
2006 2006  * Device Weight: 105g
2007 2007  * Package Size / pcs : 14.5 x 8 x 5 cm
2008 2008  * Weight / pcs : 170g
2009 2009  
2072 +
2073 +)))
2074 +)))
2010 2010  
2076 +(((
2011 2011  = 9. Support =
2078 +)))
2012 2012  
2013 2013  * (((
2081 +(((
2014 2014  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.
2015 2015  )))
2084 +)))
2016 2016  * (((
2017 -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
2018 2018  )))
2089 +)))
2019 2019  
2091 +(((
2092 +(((
2093 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2020 2020  
2095 +
2096 +)))
2097 +
2098 +(((
2021 2021  = 10. Reference​​​​​ =
2022 2022  
2023 -* 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 +
2024 2024  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2025 2025  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2026 2026  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2108 +)))
2109 +)))

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