Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.44 >
edited by Xiaoling
on 2022/06/10 09:01
To version < 77.29 >
edited by Xiaoling
on 2022/06/10 08:41
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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  )))
... ... @@ -163,6 +163,7 @@
163 163  )))
164 164  
165 165  
168 +
166 166  == 1.3 Features ==
167 167  
168 168  * LoRaWAN Class A & Class C protocol
... ... @@ -174,6 +174,7 @@
174 174  * Counting
175 175  
176 176  
180 +
177 177  == 1.4  Applications ==
178 178  
179 179  * Smart Buildings & Home Automation
... ... @@ -184,6 +184,7 @@
184 184  * Smart Factory
185 185  
186 186  
191 +
187 187  == 1.5 Hardware Variants ==
188 188  
189 189  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -198,6 +198,7 @@
198 198  )))
199 199  
200 200  
206 +
201 201  = 2. Power ON Device =
202 202  
203 203  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.
... ... @@ -280,6 +280,7 @@
280 280  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
281 281  
282 282  
289 +
283 283  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
284 284  
285 285  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -315,6 +315,7 @@
315 315  * [1] RO1 relay channel is close and the RO1 LED is ON.
316 316  * [0] RO2 relay channel is open and RO2 LED is OFF;
317 317  
325 +
318 318  **LT22222-L:**
319 319  
320 320  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -331,6 +331,7 @@
331 331  ** DO1 LED is off in both case
332 332  
333 333  
342 +
334 334  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
335 335  
336 336  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -746,6 +746,7 @@
746 746  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
747 747  
748 748  
758 +
749 749  === 3.4.1 Common Commands ===
750 750  
751 751  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]]
... ... @@ -1028,7 +1028,6 @@
1028 1028  )))
1029 1029  
1030 1030  
1031 -
1032 1032  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1033 1033  
1034 1034  * AT Command:
... ... @@ -1091,7 +1091,6 @@
1091 1091  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1092 1092  
1093 1093  
1094 -
1095 1095  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1096 1096  
1097 1097  * AT Command:
... ... @@ -1120,7 +1120,6 @@
1120 1120  Device will upload a packet if downlink code executes successfully.
1121 1121  
1122 1122  
1123 -
1124 1124  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1125 1125  
1126 1126  * AT Command:
... ... @@ -1171,7 +1171,6 @@
1171 1171  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1172 1172  
1173 1173  
1174 -
1175 1175  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1176 1176  
1177 1177  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1191,7 +1191,6 @@
1191 1191  )))
1192 1192  
1193 1193  
1194 -
1195 1195  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1196 1196  
1197 1197  * AT Command:
... ... @@ -1217,7 +1217,6 @@
1217 1217  )))
1218 1218  
1219 1219  
1220 -
1221 1221  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1222 1222  
1223 1223  Clear counting for counting mode
... ... @@ -1237,7 +1237,6 @@
1237 1237  )))
1238 1238  
1239 1239  
1240 -
1241 1241  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1242 1242  
1243 1243  * AT Command:
... ... @@ -1260,8 +1260,6 @@
1260 1260  
1261 1261  )))
1262 1262  
1263 -
1264 -
1265 1265  == 3.5 Integrate with Mydevice ==
1266 1266  
1267 1267  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
... ... @@ -1303,7 +1303,6 @@
1303 1303  [[image:image-20220524094909-5.png||height="341" width="734"]]
1304 1304  
1305 1305  
1306 -
1307 1307  == 3.6 Interface Detail ==
1308 1308  
1309 1309  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1313,7 +1313,6 @@
1313 1313  [[image:1653356991268-289.png]]
1314 1314  
1315 1315  
1316 -
1317 1317  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1318 1318  
1319 1319  (((
... ... @@ -1428,7 +1428,6 @@
1428 1428  )))
1429 1429  
1430 1430  
1431 -
1432 1432  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1433 1433  
1434 1434  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1436,7 +1436,6 @@
1436 1436  [[image:1653357531600-905.png]]
1437 1437  
1438 1438  
1439 -
1440 1440  === 3.6.4 Analog Input Interface ===
1441 1441  
1442 1442  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1465,7 +1465,6 @@
1465 1465  [[image:1653357648330-671.png||height="155" width="733"]]
1466 1466  
1467 1467  
1468 -
1469 1469  === 3.6.5 Relay Output ===
1470 1470  
1471 1471  (((
... ... @@ -1477,7 +1477,6 @@
1477 1477  [[image:image-20220524100215-10.png||height="382" width="723"]]
1478 1478  
1479 1479  
1480 -
1481 1481  == 3.7 LEDs Indicators ==
1482 1482  
1483 1483  [[image:image-20220524100748-11.png]]
... ... @@ -1687,8 +1687,6 @@
1687 1687  
1688 1688  )))
1689 1689  
1690 -
1691 -
1692 1692  == 4.2 Common AT Command Sequence ==
1693 1693  
1694 1694  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1732,8 +1732,6 @@
1732 1732  
1733 1733  )))
1734 1734  
1735 -
1736 -
1737 1737  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1738 1738  
1739 1739  (((
... ... @@ -1807,8 +1807,6 @@
1807 1807  
1808 1808  )))
1809 1809  
1810 -
1811 -
1812 1812  === 4.2.3 Change to Class A ===
1813 1813  
1814 1814  If sensor JOINED
... ... @@ -1825,19 +1825,13 @@
1825 1825  * Support new features
1826 1826  * For bug fix
1827 1827  * Change LoRaWAN bands.
1828 -
1829 -
1830 1830  Below shows the hardware connection for how to upload an image to the LT:
1818 +* [[image:1653359603330-121.png]]
1831 1831  
1832 -[[image:1653359603330-121.png]]
1833 -
1834 -
1835 1835  (((
1836 1836  **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]].
1837 1837  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1838 1838  **Step3: **Open flashloader; choose the correct COM port to update.
1839 -
1840 -
1841 1841  **For LT-22222-L**:
1842 1842  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.
1843 1843  )))
... ... @@ -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  
1849 +)))
1870 1870  
1851 +(((
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
1884 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1885 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1886 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1887 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1888 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1889 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1890 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1891 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1892 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1893 +(% 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  
1914 +)))
1939 1939  
1916 +(((
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  
1930 +)))
1955 1955  
1932 +(((
1956 1956  == 6.2 Have trouble to upload image. ==
1957 1957  )))
1958 1958  
... ... @@ -1962,7 +1962,9 @@
1962 1962  
1963 1963  (((
1964 1964  
1942 +)))
1965 1965  
1944 +(((
1966 1966  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1967 1967  )))
1968 1968  
... ... @@ -1970,62 +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  
1952 +(((
1953 +
1954 +)))
1973 1973  
1974 -
1956 +(((
1975 1975  = 7. Order Info =
1958 +)))
1976 1976  
1977 -
1960 +(((
1961 +(((
1978 1978  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1963 +)))
1964 +)))
1979 1979  
1980 -
1966 +(((
1967 +(((
1981 1981  (% style="color:#4f81bd" %)**XXX:**
1969 +)))
1970 +)))
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
1972 +(((
1973 +* (((
1974 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1975 +)))
1976 +)))
1992 1992  
1978 +(((
1979 +* (((
1980 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1981 +)))
1982 +)))
1993 1993  
1984 +(((
1985 +* (((
1986 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1987 +)))
1988 +)))
1994 1994  
1995 -= 8. Packing Info =
1990 +(((
1991 +* (((
1992 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1993 +)))
1994 +)))
1996 1996  
1996 +(((
1997 +* (((
1998 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1999 +)))
2000 +)))
1997 1997  
2002 +(((
2003 +* (((
2004 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2005 +)))
2006 +)))
2007 +
2008 +(((
2009 +* (((
2010 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2011 +)))
2012 +)))
2013 +
2014 +(((
2015 +* (((
2016 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2017 +)))
2018 +)))
2019 +
2020 +(((
2021 +* (((
2022 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2023 +
2024 +
2025 +)))
2026 +
2027 += 8. Packing Info =
2028 +)))
2029 +
2030 +(((
2031 +(((
1998 1998  **Package Includes**:
2033 +)))
2034 +)))
1999 1999  
2036 +(((
2037 +(((
2000 2000  * LT-22222-L I/O Controller x 1
2001 2001  * Stick Antenna for LoRa RF part x 1
2002 2002  * Bracket for controller x1
2003 2003  * Program cable x 1
2042 +)))
2043 +)))
2004 2004  
2005 -
2045 +(((
2046 +(((
2006 2006  **Dimension and weight**:
2048 +)))
2049 +)))
2007 2007  
2051 +(((
2052 +(((
2008 2008  * Device Size: 13.5 x 7 x 3 cm
2009 2009  * Device Weight: 105g
2010 2010  * Package Size / pcs : 14.5 x 8 x 5 cm
2011 2011  * Weight / pcs : 170g
2012 2012  
2058 +
2059 +)))
2060 +)))
2013 2013  
2014 -
2062 +(((
2015 2015  = 9. Support =
2064 +)))
2016 2016  
2017 2017  * (((
2067 +(((
2018 2018  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.
2019 2019  )))
2070 +)))
2020 2020  * (((
2021 -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]]
2072 +(((
2073 +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
2022 2022  )))
2075 +)))
2023 2023  
2077 +(((
2078 +(((
2079 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2024 2024  
2081 +
2082 +)))
2025 2025  
2084 +(((
2026 2026  = 10. Reference​​​​​ =
2027 2027  
2028 -* 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]]
2087 +* Product Page:
2088 +
2089 +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]]
2090 +
2029 2029  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2030 2030  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2031 2031  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2094 +)))
2095 +)))

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