Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.28 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.44 >
edited by Xiaoling
on 2022/06/10 09:01
>
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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  )))
... ... @@ -165,7 +165,6 @@
165 165  )))
166 166  
167 167  
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -177,7 +177,6 @@
177 177  * Counting
178 178  
179 179  
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -188,7 +188,6 @@
188 188  * Smart Factory
189 189  
190 190  
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -203,7 +203,6 @@
203 203  )))
204 204  
205 205  
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.
... ... @@ -286,7 +286,6 @@
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 288  
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;
... ... @@ -339,7 +339,6 @@
339 339  ** DO1 LED is off in both case
340 340  
341 341  
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.
... ... @@ -755,7 +755,6 @@
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  
757 757  
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]]
... ... @@ -1005,6 +1005,7 @@
1005 1005  )))
1006 1006  
1007 1007  
998 +
1008 1008  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1009 1009  
1010 1010  * AT Command:
... ... @@ -1037,6 +1037,7 @@
1037 1037  )))
1038 1038  
1039 1039  
1031 +
1040 1040  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1041 1041  
1042 1042  * AT Command:
... ... @@ -1099,6 +1099,7 @@
1099 1099  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
1100 1100  
1101 1101  
1094 +
1102 1102  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1103 1103  
1104 1104  * AT Command:
... ... @@ -1127,6 +1127,7 @@
1127 1127  Device will upload a packet if downlink code executes successfully.
1128 1128  
1129 1129  
1123 +
1130 1130  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1131 1131  
1132 1132  * AT Command:
... ... @@ -1177,6 +1177,7 @@
1177 1177  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1178 1178  
1179 1179  
1174 +
1180 1180  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1181 1181  
1182 1182  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1196,6 +1196,7 @@
1196 1196  )))
1197 1197  
1198 1198  
1194 +
1199 1199  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1200 1200  
1201 1201  * AT Command:
... ... @@ -1221,6 +1221,7 @@
1221 1221  )))
1222 1222  
1223 1223  
1220 +
1224 1224  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1225 1225  
1226 1226  Clear counting for counting mode
... ... @@ -1240,6 +1240,7 @@
1240 1240  )))
1241 1241  
1242 1242  
1240 +
1243 1243  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1244 1244  
1245 1245  * AT Command:
... ... @@ -1262,6 +1262,8 @@
1262 1262  
1263 1263  )))
1264 1264  
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:
... ... @@ -1303,6 +1303,7 @@
1303 1303  [[image:image-20220524094909-5.png||height="341" width="734"]]
1304 1304  
1305 1305  
1306 +
1306 1306  == 3.6 Interface Detail ==
1307 1307  
1308 1308  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1312,6 +1312,7 @@
1312 1312  [[image:1653356991268-289.png]]
1313 1313  
1314 1314  
1316 +
1315 1315  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1316 1316  
1317 1317  (((
... ... @@ -1426,6 +1426,7 @@
1426 1426  )))
1427 1427  
1428 1428  
1431 +
1429 1429  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1430 1430  
1431 1431  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1433,6 +1433,7 @@
1433 1433  [[image:1653357531600-905.png]]
1434 1434  
1435 1435  
1439 +
1436 1436  === 3.6.4 Analog Input Interface ===
1437 1437  
1438 1438  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:
... ... @@ -1461,6 +1461,7 @@
1461 1461  [[image:1653357648330-671.png||height="155" width="733"]]
1462 1462  
1463 1463  
1468 +
1464 1464  === 3.6.5 Relay Output ===
1465 1465  
1466 1466  (((
... ... @@ -1472,6 +1472,7 @@
1472 1472  [[image:image-20220524100215-10.png||height="382" width="723"]]
1473 1473  
1474 1474  
1480 +
1475 1475  == 3.7 LEDs Indicators ==
1476 1476  
1477 1477  [[image:image-20220524100748-11.png]]
... ... @@ -1681,6 +1681,8 @@
1681 1681  
1682 1682  )))
1683 1683  
1690 +
1691 +
1684 1684  == 4.2 Common AT Command Sequence ==
1685 1685  
1686 1686  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1724,6 +1724,8 @@
1724 1724  
1725 1725  )))
1726 1726  
1735 +
1736 +
1727 1727  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1728 1728  
1729 1729  (((
... ... @@ -1797,6 +1797,8 @@
1797 1797  
1798 1798  )))
1799 1799  
1810 +
1811 +
1800 1800  === 4.2.3 Change to Class A ===
1801 1801  
1802 1802  If sensor JOINED
... ... @@ -1813,13 +1813,19 @@
1813 1813  * Support new features
1814 1814  * For bug fix
1815 1815  * Change LoRaWAN bands.
1828 +
1829 +
1816 1816  Below shows the hardware connection for how to upload an image to the LT:
1817 -* [[image:1653359603330-121.png]]
1818 1818  
1832 +[[image:1653359603330-121.png]]
1833 +
1834 +
1819 1819  (((
1820 1820  **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]].
1821 1821  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1822 1822  **Step3: **Open flashloader; choose the correct COM port to update.
1839 +
1840 +
1823 1823  **For LT-22222-L**:
1824 1824  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.
1825 1825  )))
... ... @@ -1837,6 +1837,8 @@
1837 1837  
1838 1838  (((
1839 1839  (((
1858 +
1859 +
1840 1840  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1841 1841  )))
1842 1842  )))
... ... @@ -1843,11 +1843,11 @@
1843 1843  
1844 1844  (((
1845 1845  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1846 -
1847 -
1848 1848  )))
1849 1849  
1850 1850  (((
1869 +
1870 +
1851 1851  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1852 1852  )))
1853 1853  
... ... @@ -1860,6 +1860,8 @@
1860 1860  (((
1861 1861  (((
1862 1862  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1883 +
1884 +
1863 1863  )))
1864 1864  )))
1865 1865  
... ... @@ -1875,23 +1875,25 @@
1875 1875  (% 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.
1876 1876  )))
1877 1877  
1900 +
1878 1878  (((
1879 1879  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1880 1880  )))
1881 1881  
1882 1882  (((
1883 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1884 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1885 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1886 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1887 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1888 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1889 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1890 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1891 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1892 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
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
1893 1893  )))
1894 1894  
1918 +
1895 1895  (((
1896 1896  As shown in below:
1897 1897  )))
... ... @@ -1908,11 +1908,11 @@
1908 1908  == 5.5 Can i use point to point communication for LT-22222-L? ==
1909 1909  
1910 1910  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1911 -
1912 -
1913 1913  )))
1914 1914  
1915 1915  (((
1938 +
1939 +
1916 1916  = 6. Trouble Shooting =
1917 1917  )))
1918 1918  
... ... @@ -1924,11 +1924,11 @@
1924 1924  
1925 1925  (((
1926 1926  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1927 -
1928 -
1929 1929  )))
1930 1930  
1931 1931  (((
1954 +
1955 +
1932 1932  == 6.2 Have trouble to upload image. ==
1933 1933  )))
1934 1934  
... ... @@ -1938,9 +1938,7 @@
1938 1938  
1939 1939  (((
1940 1940  
1941 -)))
1942 1942  
1943 -(((
1944 1944  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1945 1945  )))
1946 1946  
... ... @@ -1948,147 +1948,62 @@
1948 1948  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1949 1949  )))
1950 1950  
1951 -(((
1952 -
1953 -)))
1954 1954  
1955 -(((
1974 +
1956 1956  = 7. Order Info =
1957 -)))
1958 1958  
1959 -(((
1960 -(((
1977 +
1961 1961  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1962 -)))
1963 -)))
1964 1964  
1965 -(((
1966 -(((
1980 +
1967 1967  (% style="color:#4f81bd" %)**XXX:**
1968 -)))
1969 -)))
1970 1970  
1971 -(((
1972 -* (((
1973 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1974 -)))
1975 -)))
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
1976 1976  
1977 -(((
1978 -* (((
1979 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1980 -)))
1981 -)))
1982 1982  
1983 -(((
1984 -* (((
1985 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1986 -)))
1987 -)))
1988 1988  
1989 -(((
1990 -* (((
1991 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1992 -)))
1993 -)))
1994 -
1995 -(((
1996 -* (((
1997 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1998 -)))
1999 -)))
2000 -
2001 -(((
2002 -* (((
2003 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2004 -)))
2005 -)))
2006 -
2007 -(((
2008 -* (((
2009 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2010 -)))
2011 -)))
2012 -
2013 -(((
2014 -* (((
2015 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2016 -)))
2017 -)))
2018 -
2019 -(((
2020 -* (((
2021 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2022 -
2023 -
2024 -)))
2025 -
2026 2026  = 8. Packing Info =
2027 -)))
2028 2028  
2029 -(((
2030 -(((
1997 +
2031 2031  **Package Includes**:
2032 -)))
2033 -)))
2034 2034  
2035 -(((
2036 -(((
2037 2037  * LT-22222-L I/O Controller x 1
2038 2038  * Stick Antenna for LoRa RF part x 1
2039 2039  * Bracket for controller x1
2040 2040  * Program cable x 1
2041 -)))
2042 -)))
2043 2043  
2044 -(((
2045 -(((
2005 +
2046 2046  **Dimension and weight**:
2047 -)))
2048 -)))
2049 2049  
2050 -(((
2051 -(((
2052 2052  * Device Size: 13.5 x 7 x 3 cm
2053 2053  * Device Weight: 105g
2054 2054  * Package Size / pcs : 14.5 x 8 x 5 cm
2055 2055  * Weight / pcs : 170g
2056 2056  
2057 -
2058 -)))
2059 -)))
2060 2060  
2061 -(((
2014 +
2062 2062  = 9. Support =
2063 -)))
2064 2064  
2065 2065  * (((
2066 -(((
2067 2067  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.
2068 2068  )))
2069 -)))
2070 2070  * (((
2071 -(((
2072 -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
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]]
2073 2073  )))
2074 -)))
2075 2075  
2076 -(((
2077 -(((
2078 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2079 2079  
2080 -
2081 -)))
2082 2082  
2083 -(((
2084 2084  = 10. Reference​​​​​ =
2085 2085  
2086 -* Product Page:
2087 -
2088 -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]]
2089 -
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]]
2090 2090  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2091 2091  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2092 2092  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2093 -)))
2094 -)))

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