Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.31 >
edited by Xiaoling
on 2022/06/10 08:43
To version < 77.48 >
edited by Xiaoling
on 2022/06/10 09:04
>
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... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  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.
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,8 +338,6 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -754,8 +754,6 @@
754 754  
755 755  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
756 756  
757 -
758 -
759 759  === 3.4.1 Common Commands ===
760 760  
761 761  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]]
... ... @@ -1487,6 +1487,7 @@
1487 1487  [[image:image-20220524100215-10.png||height="382" width="723"]]
1488 1488  
1489 1489  
1473 +
1490 1490  == 3.7 LEDs Indicators ==
1491 1491  
1492 1492  [[image:image-20220524100748-11.png]]
... ... @@ -1696,6 +1696,8 @@
1696 1696  
1697 1697  )))
1698 1698  
1683 +
1684 +
1699 1699  == 4.2 Common AT Command Sequence ==
1700 1700  
1701 1701  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1739,6 +1739,8 @@
1739 1739  
1740 1740  )))
1741 1741  
1728 +
1729 +
1742 1742  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1743 1743  
1744 1744  (((
... ... @@ -1812,6 +1812,7 @@
1812 1812  
1813 1813  )))
1814 1814  
1803 +
1815 1815  === 4.2.3 Change to Class A ===
1816 1816  
1817 1817  If sensor JOINED
... ... @@ -1823,19 +1823,25 @@
1823 1823  
1824 1824  == 5.1 How to upgrade the image? ==
1825 1825  
1815 +
1826 1826  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1827 1827  
1828 1828  * Support new features
1829 1829  * For bug fix
1830 1830  * Change LoRaWAN bands.
1821 +
1831 1831  Below shows the hardware connection for how to upload an image to the LT:
1832 -* [[image:1653359603330-121.png]]
1833 1833  
1824 +[[image:1653359603330-121.png]]
1825 +
1826 +
1834 1834  (((
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**:
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**(%%):
1839 1839  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.
1840 1840  )))
1841 1841  
... ... @@ -1845,6 +1845,7 @@
1845 1845  
1846 1846  [[image:image-20220524104033-15.png]]
1847 1847  
1843 +
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"]]
... ... @@ -1852,6 +1852,8 @@
1852 1852  
1853 1853  (((
1854 1854  (((
1851 +
1852 +
1855 1855  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1856 1856  )))
1857 1857  )))
... ... @@ -1858,11 +1858,11 @@
1858 1858  
1859 1859  (((
1860 1860  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1861 -
1862 -
1863 1863  )))
1864 1864  
1865 1865  (((
1862 +
1863 +
1866 1866  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1867 1867  )))
1868 1868  
... ... @@ -1875,6 +1875,8 @@
1875 1875  (((
1876 1876  (((
1877 1877  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1876 +
1877 +
1878 1878  )))
1879 1879  )))
1880 1880  
... ... @@ -1890,23 +1890,25 @@
1890 1890  (% 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.
1891 1891  )))
1892 1892  
1893 +
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
1899 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1900 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1901 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1902 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1903 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1904 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1905 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1906 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1907 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1908 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1908 1908  )))
1909 1909  
1911 +
1910 1910  (((
1911 1911  As shown in below:
1912 1912  )))
... ... @@ -1923,11 +1923,11 @@
1923 1923  == 5.5 Can i use point to point communication for LT-22222-L? ==
1924 1924  
1925 1925  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1926 -
1927 -
1928 1928  )))
1929 1929  
1930 1930  (((
1931 +
1932 +
1931 1931  = 6. Trouble Shooting =
1932 1932  )))
1933 1933  
... ... @@ -1939,11 +1939,11 @@
1939 1939  
1940 1940  (((
1941 1941  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1942 -
1943 -
1944 1944  )))
1945 1945  
1946 1946  (((
1947 +
1948 +
1947 1947  == 6.2 Have trouble to upload image. ==
1948 1948  )))
1949 1949  
... ... @@ -1953,9 +1953,7 @@
1953 1953  
1954 1954  (((
1955 1955  
1956 -)))
1957 1957  
1958 -(((
1959 1959  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1960 1960  )))
1961 1961  
... ... @@ -1963,147 +1963,58 @@
1963 1963  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1964 1964  )))
1965 1965  
1966 -(((
1967 -
1968 -)))
1969 1969  
1970 -(((
1967 +
1971 1971  = 7. Order Info =
1972 -)))
1973 1973  
1974 -(((
1975 -(((
1970 +
1976 1976  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1977 -)))
1978 -)))
1979 1979  
1980 -(((
1981 -(((
1973 +
1982 1982  (% style="color:#4f81bd" %)**XXX:**
1983 -)))
1984 -)))
1985 1985  
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1989 -)))
1990 -)))
1976 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1977 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1978 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1979 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1980 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1981 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1982 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1983 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1984 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1991 1991  
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1995 -)))
1996 -)))
1997 1997  
1998 -(((
1999 -* (((
2000 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2001 -)))
2002 -)))
2003 -
2004 -(((
2005 -* (((
2006 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2007 -)))
2008 -)))
2009 -
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 2041  = 8. Packing Info =
2042 -)))
2043 2043  
2044 -(((
2045 -(((
1989 +
2046 2046  **Package Includes**:
2047 -)))
2048 -)))
2049 2049  
2050 -(((
2051 -(((
2052 2052  * LT-22222-L I/O Controller x 1
2053 2053  * Stick Antenna for LoRa RF part x 1
2054 2054  * Bracket for controller x1
2055 2055  * Program cable x 1
2056 -)))
2057 -)))
2058 2058  
2059 -(((
2060 -(((
2061 2061  **Dimension and weight**:
2062 -)))
2063 -)))
2064 2064  
2065 -(((
2066 -(((
2067 2067  * Device Size: 13.5 x 7 x 3 cm
2068 2068  * Device Weight: 105g
2069 2069  * Package Size / pcs : 14.5 x 8 x 5 cm
2070 2070  * Weight / pcs : 170g
2071 2071  
2072 -
2073 -)))
2074 -)))
2075 2075  
2076 -(((
2077 2077  = 9. Support =
2078 -)))
2079 2079  
2080 2080  * (((
2081 -(((
2082 2082  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.
2083 2083  )))
2084 -)))
2085 2085  * (((
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
2011 +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]]
2088 2088  )))
2089 -)))
2090 2090  
2091 -(((
2092 -(((
2093 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2094 2094  
2095 -
2096 -)))
2097 -
2098 -(((
2099 2099  = 10. Reference​​​​​ =
2100 2100  
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 -
2017 +* 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]]
2105 2105  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2106 2106  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2107 2107  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2108 -)))
2109 -)))

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