Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.29 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.48 >
edited by Xiaoling
on 2022/06/10 09:04
>
Change comment: There is no comment for this version

Summary

Details

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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]]
... ... @@ -1038,6 +1038,7 @@
1038 1038  )))
1039 1039  
1040 1040  
1024 +
1041 1041  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1042 1042  
1043 1043  * AT Command:
... ... @@ -1100,6 +1100,7 @@
1100 1100  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
1101 1101  
1102 1102  
1087 +
1103 1103  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1104 1104  
1105 1105  * AT Command:
... ... @@ -1128,6 +1128,7 @@
1128 1128  Device will upload a packet if downlink code executes successfully.
1129 1129  
1130 1130  
1116 +
1131 1131  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1132 1132  
1133 1133  * AT Command:
... ... @@ -1178,6 +1178,7 @@
1178 1178  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1179 1179  
1180 1180  
1167 +
1181 1181  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1182 1182  
1183 1183  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1197,6 +1197,7 @@
1197 1197  )))
1198 1198  
1199 1199  
1187 +
1200 1200  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1201 1201  
1202 1202  * AT Command:
... ... @@ -1222,6 +1222,7 @@
1222 1222  )))
1223 1223  
1224 1224  
1213 +
1225 1225  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1226 1226  
1227 1227  Clear counting for counting mode
... ... @@ -1241,6 +1241,7 @@
1241 1241  )))
1242 1242  
1243 1243  
1233 +
1244 1244  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1245 1245  
1246 1246  * AT Command:
... ... @@ -1263,6 +1263,8 @@
1263 1263  
1264 1264  )))
1265 1265  
1256 +
1257 +
1266 1266  == 3.5 Integrate with Mydevice ==
1267 1267  
1268 1268  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:
... ... @@ -1304,6 +1304,7 @@
1304 1304  [[image:image-20220524094909-5.png||height="341" width="734"]]
1305 1305  
1306 1306  
1299 +
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 ) ===
... ... @@ -1313,6 +1313,7 @@
1313 1313  [[image:1653356991268-289.png]]
1314 1314  
1315 1315  
1309 +
1316 1316  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1317 1317  
1318 1318  (((
... ... @@ -1427,6 +1427,7 @@
1427 1427  )))
1428 1428  
1429 1429  
1424 +
1430 1430  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1431 1431  
1432 1432  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1434,6 +1434,7 @@
1434 1434  [[image:1653357531600-905.png]]
1435 1435  
1436 1436  
1432 +
1437 1437  === 3.6.4 Analog Input Interface ===
1438 1438  
1439 1439  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:
... ... @@ -1462,6 +1462,7 @@
1462 1462  [[image:1653357648330-671.png||height="155" width="733"]]
1463 1463  
1464 1464  
1461 +
1465 1465  === 3.6.5 Relay Output ===
1466 1466  
1467 1467  (((
... ... @@ -1473,6 +1473,7 @@
1473 1473  [[image:image-20220524100215-10.png||height="382" width="723"]]
1474 1474  
1475 1475  
1473 +
1476 1476  == 3.7 LEDs Indicators ==
1477 1477  
1478 1478  [[image:image-20220524100748-11.png]]
... ... @@ -1682,6 +1682,8 @@
1682 1682  
1683 1683  )))
1684 1684  
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) ===
... ... @@ -1725,6 +1725,8 @@
1725 1725  
1726 1726  )))
1727 1727  
1728 +
1729 +
1728 1728  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1729 1729  
1730 1730  (((
... ... @@ -1798,6 +1798,7 @@
1798 1798  
1799 1799  )))
1800 1800  
1803 +
1801 1801  === 4.2.3 Change to Class A ===
1802 1802  
1803 1803  If sensor JOINED
... ... @@ -1809,19 +1809,25 @@
1809 1809  
1810 1810  == 5.1 How to upgrade the image? ==
1811 1811  
1815 +
1812 1812  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1813 1813  
1814 1814  * Support new features
1815 1815  * For bug fix
1816 1816  * Change LoRaWAN bands.
1821 +
1817 1817  Below shows the hardware connection for how to upload an image to the LT:
1818 -* [[image:1653359603330-121.png]]
1819 1819  
1824 +[[image:1653359603330-121.png]]
1825 +
1826 +
1820 1820  (((
1821 -**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]].
1822 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1823 -**Step3: **Open flashloader; choose the correct COM port to update.
1824 -**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**(%%):
1825 1825  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.
1826 1826  )))
1827 1827  
... ... @@ -1831,6 +1831,7 @@
1831 1831  
1832 1832  [[image:image-20220524104033-15.png]]
1833 1833  
1843 +
1834 1834  (% 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:
1835 1835  
1836 1836  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1838,6 +1838,8 @@
1838 1838  
1839 1839  (((
1840 1840  (((
1851 +
1852 +
1841 1841  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1842 1842  )))
1843 1843  )))
... ... @@ -1844,11 +1844,11 @@
1844 1844  
1845 1845  (((
1846 1846  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1847 -
1848 -
1849 1849  )))
1850 1850  
1851 1851  (((
1862 +
1863 +
1852 1852  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1853 1853  )))
1854 1854  
... ... @@ -1861,6 +1861,8 @@
1861 1861  (((
1862 1862  (((
1863 1863  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1876 +
1877 +
1864 1864  )))
1865 1865  )))
1866 1866  
... ... @@ -1876,23 +1876,25 @@
1876 1876  (% 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.
1877 1877  )))
1878 1878  
1893 +
1879 1879  (((
1880 1880  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1881 1881  )))
1882 1882  
1883 1883  (((
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
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
1894 1894  )))
1895 1895  
1911 +
1896 1896  (((
1897 1897  As shown in below:
1898 1898  )))
... ... @@ -1909,11 +1909,11 @@
1909 1909  == 5.5 Can i use point to point communication for LT-22222-L? ==
1910 1910  
1911 1911  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1912 -
1913 -
1914 1914  )))
1915 1915  
1916 1916  (((
1931 +
1932 +
1917 1917  = 6. Trouble Shooting =
1918 1918  )))
1919 1919  
... ... @@ -1925,11 +1925,11 @@
1925 1925  
1926 1926  (((
1927 1927  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1928 -
1929 -
1930 1930  )))
1931 1931  
1932 1932  (((
1947 +
1948 +
1933 1933  == 6.2 Have trouble to upload image. ==
1934 1934  )))
1935 1935  
... ... @@ -1939,9 +1939,7 @@
1939 1939  
1940 1940  (((
1941 1941  
1942 -)))
1943 1943  
1944 -(((
1945 1945  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1946 1946  )))
1947 1947  
... ... @@ -1949,147 +1949,58 @@
1949 1949  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1950 1950  )))
1951 1951  
1952 -(((
1953 -
1954 -)))
1955 1955  
1956 -(((
1967 +
1957 1957  = 7. Order Info =
1958 -)))
1959 1959  
1960 -(((
1961 -(((
1970 +
1962 1962  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1963 -)))
1964 -)))
1965 1965  
1966 -(((
1967 -(((
1973 +
1968 1968  (% style="color:#4f81bd" %)**XXX:**
1969 -)))
1970 -)))
1971 1971  
1972 -(((
1973 -* (((
1974 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1975 -)))
1976 -)))
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
1977 1977  
1978 -(((
1979 -* (((
1980 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1981 -)))
1982 -)))
1983 1983  
1984 -(((
1985 -* (((
1986 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1987 -)))
1988 -)))
1989 -
1990 -(((
1991 -* (((
1992 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1993 -)))
1994 -)))
1995 -
1996 -(((
1997 -* (((
1998 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1999 -)))
2000 -)))
2001 -
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 2027  = 8. Packing Info =
2028 -)))
2029 2029  
2030 -(((
2031 -(((
1989 +
2032 2032  **Package Includes**:
2033 -)))
2034 -)))
2035 2035  
2036 -(((
2037 -(((
2038 2038  * LT-22222-L I/O Controller x 1
2039 2039  * Stick Antenna for LoRa RF part x 1
2040 2040  * Bracket for controller x1
2041 2041  * Program cable x 1
2042 -)))
2043 -)))
2044 2044  
2045 -(((
2046 -(((
2047 2047  **Dimension and weight**:
2048 -)))
2049 -)))
2050 2050  
2051 -(((
2052 -(((
2053 2053  * Device Size: 13.5 x 7 x 3 cm
2054 2054  * Device Weight: 105g
2055 2055  * Package Size / pcs : 14.5 x 8 x 5 cm
2056 2056  * Weight / pcs : 170g
2057 2057  
2058 -
2059 -)))
2060 -)))
2061 2061  
2062 -(((
2063 2063  = 9. Support =
2064 -)))
2065 2065  
2066 2066  * (((
2067 -(((
2068 2068  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.
2069 2069  )))
2070 -)))
2071 2071  * (((
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
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]]
2074 2074  )))
2075 -)))
2076 2076  
2077 -(((
2078 -(((
2079 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2080 2080  
2081 -
2082 -)))
2083 -
2084 -(((
2085 2085  = 10. Reference​​​​​ =
2086 2086  
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 -
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]]
2091 2091  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2092 2092  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2093 2093  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2094 -)))
2095 -)))

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