Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.26 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.47 >
edited by Xiaoling
on 2022/06/10 09:03
>
Change comment: There is no comment for this version

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Content
... ... @@ -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]]
... ... @@ -965,6 +965,7 @@
965 965  )))
966 966  
967 967  
951 +
968 968  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
969 969  
970 970  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -984,6 +984,7 @@
984 984  )))
985 985  
986 986  
971 +
987 987  ==== 3.4.2.11 Trigger – Set minimum interval ====
988 988  
989 989  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1003,6 +1003,7 @@
1003 1003  )))
1004 1004  
1005 1005  
991 +
1006 1006  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1007 1007  
1008 1008  * AT Command:
... ... @@ -1035,6 +1035,7 @@
1035 1035  )))
1036 1036  
1037 1037  
1024 +
1038 1038  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1039 1039  
1040 1040  * AT Command:
... ... @@ -1097,6 +1097,7 @@
1097 1097  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
1098 1098  
1099 1099  
1087 +
1100 1100  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1101 1101  
1102 1102  * AT Command:
... ... @@ -1125,6 +1125,7 @@
1125 1125  Device will upload a packet if downlink code executes successfully.
1126 1126  
1127 1127  
1116 +
1128 1128  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1129 1129  
1130 1130  * AT Command:
... ... @@ -1175,6 +1175,7 @@
1175 1175  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1176 1176  
1177 1177  
1167 +
1178 1178  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1179 1179  
1180 1180  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1194,6 +1194,7 @@
1194 1194  )))
1195 1195  
1196 1196  
1187 +
1197 1197  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1198 1198  
1199 1199  * AT Command:
... ... @@ -1219,6 +1219,7 @@
1219 1219  )))
1220 1220  
1221 1221  
1213 +
1222 1222  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1223 1223  
1224 1224  Clear counting for counting mode
... ... @@ -1238,6 +1238,7 @@
1238 1238  )))
1239 1239  
1240 1240  
1233 +
1241 1241  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1242 1242  
1243 1243  * AT Command:
... ... @@ -1260,6 +1260,8 @@
1260 1260  
1261 1261  )))
1262 1262  
1256 +
1257 +
1263 1263  == 3.5 Integrate with Mydevice ==
1264 1264  
1265 1265  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:
... ... @@ -1301,6 +1301,7 @@
1301 1301  [[image:image-20220524094909-5.png||height="341" width="734"]]
1302 1302  
1303 1303  
1299 +
1304 1304  == 3.6 Interface Detail ==
1305 1305  
1306 1306  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1310,6 +1310,7 @@
1310 1310  [[image:1653356991268-289.png]]
1311 1311  
1312 1312  
1309 +
1313 1313  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1314 1314  
1315 1315  (((
... ... @@ -1424,6 +1424,7 @@
1424 1424  )))
1425 1425  
1426 1426  
1424 +
1427 1427  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1428 1428  
1429 1429  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1431,6 +1431,7 @@
1431 1431  [[image:1653357531600-905.png]]
1432 1432  
1433 1433  
1432 +
1434 1434  === 3.6.4 Analog Input Interface ===
1435 1435  
1436 1436  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:
... ... @@ -1459,6 +1459,7 @@
1459 1459  [[image:1653357648330-671.png||height="155" width="733"]]
1460 1460  
1461 1461  
1461 +
1462 1462  === 3.6.5 Relay Output ===
1463 1463  
1464 1464  (((
... ... @@ -1470,6 +1470,7 @@
1470 1470  [[image:image-20220524100215-10.png||height="382" width="723"]]
1471 1471  
1472 1472  
1473 +
1473 1473  == 3.7 LEDs Indicators ==
1474 1474  
1475 1475  [[image:image-20220524100748-11.png]]
... ... @@ -1679,6 +1679,8 @@
1679 1679  
1680 1680  )))
1681 1681  
1683 +
1684 +
1682 1682  == 4.2 Common AT Command Sequence ==
1683 1683  
1684 1684  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1722,6 +1722,8 @@
1722 1722  
1723 1723  )))
1724 1724  
1728 +
1729 +
1725 1725  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1726 1726  
1727 1727  (((
... ... @@ -1795,6 +1795,8 @@
1795 1795  
1796 1796  )))
1797 1797  
1803 +
1804 +
1798 1798  === 4.2.3 Change to Class A ===
1799 1799  
1800 1800  If sensor JOINED
... ... @@ -1806,19 +1806,25 @@
1806 1806  
1807 1807  == 5.1 How to upgrade the image? ==
1808 1808  
1816 +
1809 1809  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1810 1810  
1811 1811  * Support new features
1812 1812  * For bug fix
1813 1813  * Change LoRaWAN bands.
1822 +
1814 1814  Below shows the hardware connection for how to upload an image to the LT:
1815 -* [[image:1653359603330-121.png]]
1816 1816  
1825 +[[image:1653359603330-121.png]]
1826 +
1827 +
1817 1817  (((
1818 -**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]].
1819 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1820 -**Step3: **Open flashloader; choose the correct COM port to update.
1821 -**For LT-22222-L**:
1829 +(% 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]].
1830 +(% 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/]].
1831 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1832 +
1833 +
1834 +(% style="color:blue" %)**For LT-22222-L**(%%):
1822 1822  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.
1823 1823  )))
1824 1824  
... ... @@ -1828,6 +1828,7 @@
1828 1828  
1829 1829  [[image:image-20220524104033-15.png]]
1830 1830  
1844 +
1831 1831  (% 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:
1832 1832  
1833 1833  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1835,6 +1835,8 @@
1835 1835  
1836 1836  (((
1837 1837  (((
1852 +
1853 +
1838 1838  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1839 1839  )))
1840 1840  )))
... ... @@ -1841,11 +1841,11 @@
1841 1841  
1842 1842  (((
1843 1843  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1844 -
1845 -
1846 1846  )))
1847 1847  
1848 1848  (((
1863 +
1864 +
1849 1849  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1850 1850  )))
1851 1851  
... ... @@ -1858,6 +1858,8 @@
1858 1858  (((
1859 1859  (((
1860 1860  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1877 +
1878 +
1861 1861  )))
1862 1862  )))
1863 1863  
... ... @@ -1873,23 +1873,25 @@
1873 1873  (% 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.
1874 1874  )))
1875 1875  
1894 +
1876 1876  (((
1877 1877  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1878 1878  )))
1879 1879  
1880 1880  (((
1881 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1882 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1883 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1884 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1885 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1886 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1887 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1888 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1889 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1890 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1900 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1901 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1902 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1903 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1904 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1905 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1906 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1907 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1908 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1909 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1891 1891  )))
1892 1892  
1912 +
1893 1893  (((
1894 1894  As shown in below:
1895 1895  )))
... ... @@ -1906,11 +1906,11 @@
1906 1906  == 5.5 Can i use point to point communication for LT-22222-L? ==
1907 1907  
1908 1908  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1909 -
1910 -
1911 1911  )))
1912 1912  
1913 1913  (((
1932 +
1933 +
1914 1914  = 6. Trouble Shooting =
1915 1915  )))
1916 1916  
... ... @@ -1922,11 +1922,11 @@
1922 1922  
1923 1923  (((
1924 1924  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1925 -
1926 -
1927 1927  )))
1928 1928  
1929 1929  (((
1948 +
1949 +
1930 1930  == 6.2 Have trouble to upload image. ==
1931 1931  )))
1932 1932  
... ... @@ -1936,9 +1936,7 @@
1936 1936  
1937 1937  (((
1938 1938  
1939 -)))
1940 1940  
1941 -(((
1942 1942  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1943 1943  )))
1944 1944  
... ... @@ -1946,147 +1946,58 @@
1946 1946  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1947 1947  )))
1948 1948  
1949 -(((
1950 -
1951 -)))
1952 1952  
1953 -(((
1968 +
1954 1954  = 7. Order Info =
1955 -)))
1956 1956  
1957 -(((
1958 -(((
1971 +
1959 1959  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1960 -)))
1961 -)))
1962 1962  
1963 -(((
1964 -(((
1974 +
1965 1965  (% style="color:#4f81bd" %)**XXX:**
1966 -)))
1967 -)))
1968 1968  
1969 -(((
1970 -* (((
1971 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1972 -)))
1973 -)))
1977 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1978 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1979 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1980 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1981 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1982 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1983 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1984 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1985 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1974 1974  
1975 -(((
1976 -* (((
1977 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1978 -)))
1979 -)))
1980 1980  
1981 -(((
1982 -* (((
1983 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1984 -)))
1985 -)))
1986 -
1987 -(((
1988 -* (((
1989 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1990 -)))
1991 -)))
1992 -
1993 -(((
1994 -* (((
1995 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1996 -)))
1997 -)))
1998 -
1999 -(((
2000 -* (((
2001 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2002 -)))
2003 -)))
2004 -
2005 -(((
2006 -* (((
2007 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2008 -)))
2009 -)))
2010 -
2011 -(((
2012 -* (((
2013 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2014 -)))
2015 -)))
2016 -
2017 -(((
2018 -* (((
2019 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2020 -
2021 -
2022 -)))
2023 -
2024 2024  = 8. Packing Info =
2025 -)))
2026 2026  
2027 -(((
2028 -(((
1990 +
2029 2029  **Package Includes**:
2030 -)))
2031 -)))
2032 2032  
2033 -(((
2034 -(((
2035 2035  * LT-22222-L I/O Controller x 1
2036 2036  * Stick Antenna for LoRa RF part x 1
2037 2037  * Bracket for controller x1
2038 2038  * Program cable x 1
2039 -)))
2040 -)))
2041 2041  
2042 -(((
2043 -(((
2044 2044  **Dimension and weight**:
2045 -)))
2046 -)))
2047 2047  
2048 -(((
2049 -(((
2050 2050  * Device Size: 13.5 x 7 x 3 cm
2051 2051  * Device Weight: 105g
2052 2052  * Package Size / pcs : 14.5 x 8 x 5 cm
2053 2053  * Weight / pcs : 170g
2054 2054  
2055 -
2056 -)))
2057 -)))
2058 2058  
2059 -(((
2060 2060  = 9. Support =
2061 -)))
2062 2062  
2063 2063  * (((
2064 -(((
2065 2065  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.
2066 2066  )))
2067 -)))
2068 2068  * (((
2069 -(((
2070 -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
2012 +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]]
2071 2071  )))
2072 -)))
2073 2073  
2074 -(((
2075 -(((
2076 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2077 2077  
2078 -
2079 -)))
2080 -
2081 -(((
2082 2082  = 10. Reference​​​​​ =
2083 2083  
2084 -* Product Page:
2085 -
2086 -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 -
2018 +* 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]]
2088 2088  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2089 2089  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2090 2090  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2091 -)))
2092 -)))

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