Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.25 >
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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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]]
... ... @@ -945,6 +945,7 @@
945 945  )))
946 946  
947 947  
938 +
948 948  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
949 949  
950 950  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -964,6 +964,7 @@
964 964  )))
965 965  
966 966  
958 +
967 967  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
968 968  
969 969  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -983,6 +983,7 @@
983 983  )))
984 984  
985 985  
978 +
986 986  ==== 3.4.2.11 Trigger – Set minimum interval ====
987 987  
988 988  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1002,6 +1002,7 @@
1002 1002  )))
1003 1003  
1004 1004  
998 +
1005 1005  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1006 1006  
1007 1007  * AT Command:
... ... @@ -1034,6 +1034,7 @@
1034 1034  )))
1035 1035  
1036 1036  
1031 +
1037 1037  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1038 1038  
1039 1039  * AT Command:
... ... @@ -1096,6 +1096,7 @@
1096 1096  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
1097 1097  
1098 1098  
1094 +
1099 1099  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1100 1100  
1101 1101  * AT Command:
... ... @@ -1124,6 +1124,7 @@
1124 1124  Device will upload a packet if downlink code executes successfully.
1125 1125  
1126 1126  
1123 +
1127 1127  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1128 1128  
1129 1129  * AT Command:
... ... @@ -1174,6 +1174,7 @@
1174 1174  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1175 1175  
1176 1176  
1174 +
1177 1177  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1178 1178  
1179 1179  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1193,6 +1193,7 @@
1193 1193  )))
1194 1194  
1195 1195  
1194 +
1196 1196  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1197 1197  
1198 1198  * AT Command:
... ... @@ -1218,6 +1218,7 @@
1218 1218  )))
1219 1219  
1220 1220  
1220 +
1221 1221  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1222 1222  
1223 1223  Clear counting for counting mode
... ... @@ -1237,6 +1237,7 @@
1237 1237  )))
1238 1238  
1239 1239  
1240 +
1240 1240  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1241 1241  
1242 1242  * AT Command:
... ... @@ -1259,6 +1259,8 @@
1259 1259  
1260 1260  )))
1261 1261  
1263 +
1264 +
1262 1262  == 3.5 Integrate with Mydevice ==
1263 1263  
1264 1264  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:
... ... @@ -1300,6 +1300,7 @@
1300 1300  [[image:image-20220524094909-5.png||height="341" width="734"]]
1301 1301  
1302 1302  
1306 +
1303 1303  == 3.6 Interface Detail ==
1304 1304  
1305 1305  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1309,6 +1309,7 @@
1309 1309  [[image:1653356991268-289.png]]
1310 1310  
1311 1311  
1316 +
1312 1312  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1313 1313  
1314 1314  (((
... ... @@ -1423,6 +1423,7 @@
1423 1423  )))
1424 1424  
1425 1425  
1431 +
1426 1426  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1427 1427  
1428 1428  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1430,6 +1430,7 @@
1430 1430  [[image:1653357531600-905.png]]
1431 1431  
1432 1432  
1439 +
1433 1433  === 3.6.4 Analog Input Interface ===
1434 1434  
1435 1435  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:
... ... @@ -1458,6 +1458,7 @@
1458 1458  [[image:1653357648330-671.png||height="155" width="733"]]
1459 1459  
1460 1460  
1468 +
1461 1461  === 3.6.5 Relay Output ===
1462 1462  
1463 1463  (((
... ... @@ -1469,6 +1469,7 @@
1469 1469  [[image:image-20220524100215-10.png||height="382" width="723"]]
1470 1470  
1471 1471  
1480 +
1472 1472  == 3.7 LEDs Indicators ==
1473 1473  
1474 1474  [[image:image-20220524100748-11.png]]
... ... @@ -1678,6 +1678,8 @@
1678 1678  
1679 1679  )))
1680 1680  
1690 +
1691 +
1681 1681  == 4.2 Common AT Command Sequence ==
1682 1682  
1683 1683  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1721,6 +1721,8 @@
1721 1721  
1722 1722  )))
1723 1723  
1735 +
1736 +
1724 1724  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1725 1725  
1726 1726  (((
... ... @@ -1794,6 +1794,8 @@
1794 1794  
1795 1795  )))
1796 1796  
1810 +
1811 +
1797 1797  === 4.2.3 Change to Class A ===
1798 1798  
1799 1799  If sensor JOINED
... ... @@ -1810,13 +1810,19 @@
1810 1810  * Support new features
1811 1811  * For bug fix
1812 1812  * Change LoRaWAN bands.
1828 +
1829 +
1813 1813  Below shows the hardware connection for how to upload an image to the LT:
1814 -* [[image:1653359603330-121.png]]
1815 1815  
1832 +[[image:1653359603330-121.png]]
1833 +
1834 +
1816 1816  (((
1817 1817  **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]].
1818 1818  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1819 1819  **Step3: **Open flashloader; choose the correct COM port to update.
1839 +
1840 +
1820 1820  **For LT-22222-L**:
1821 1821  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.
1822 1822  )))
... ... @@ -1834,6 +1834,8 @@
1834 1834  
1835 1835  (((
1836 1836  (((
1858 +
1859 +
1837 1837  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1838 1838  )))
1839 1839  )))
... ... @@ -1840,11 +1840,11 @@
1840 1840  
1841 1841  (((
1842 1842  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1843 -
1844 -
1845 1845  )))
1846 1846  
1847 1847  (((
1869 +
1870 +
1848 1848  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1849 1849  )))
1850 1850  
... ... @@ -1857,6 +1857,8 @@
1857 1857  (((
1858 1858  (((
1859 1859  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1883 +
1884 +
1860 1860  )))
1861 1861  )))
1862 1862  
... ... @@ -1872,23 +1872,25 @@
1872 1872  (% 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.
1873 1873  )))
1874 1874  
1900 +
1875 1875  (((
1876 1876  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1877 1877  )))
1878 1878  
1879 1879  (((
1880 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1881 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1882 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1883 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1884 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1885 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1886 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1887 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1888 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1889 -(% 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
1890 1890  )))
1891 1891  
1918 +
1892 1892  (((
1893 1893  As shown in below:
1894 1894  )))
... ... @@ -1905,11 +1905,11 @@
1905 1905  == 5.5 Can i use point to point communication for LT-22222-L? ==
1906 1906  
1907 1907  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1908 -
1909 -
1910 1910  )))
1911 1911  
1912 1912  (((
1938 +
1939 +
1913 1913  = 6. Trouble Shooting =
1914 1914  )))
1915 1915  
... ... @@ -1921,11 +1921,11 @@
1921 1921  
1922 1922  (((
1923 1923  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1924 -
1925 -
1926 1926  )))
1927 1927  
1928 1928  (((
1954 +
1955 +
1929 1929  == 6.2 Have trouble to upload image. ==
1930 1930  )))
1931 1931  
... ... @@ -1935,9 +1935,7 @@
1935 1935  
1936 1936  (((
1937 1937  
1938 -)))
1939 1939  
1940 -(((
1941 1941  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1942 1942  )))
1943 1943  
... ... @@ -1945,147 +1945,62 @@
1945 1945  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1946 1946  )))
1947 1947  
1948 -(((
1949 -
1950 -)))
1951 1951  
1952 -(((
1974 +
1953 1953  = 7. Order Info =
1954 -)))
1955 1955  
1956 -(((
1957 -(((
1977 +
1958 1958  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1959 -)))
1960 -)))
1961 1961  
1962 -(((
1963 -(((
1980 +
1964 1964  (% style="color:#4f81bd" %)**XXX:**
1965 -)))
1966 -)))
1967 1967  
1968 -(((
1969 -* (((
1970 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1971 -)))
1972 -)))
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
1973 1973  
1974 -(((
1975 -* (((
1976 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1977 -)))
1978 -)))
1979 1979  
1980 -(((
1981 -* (((
1982 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1983 -)))
1984 -)))
1985 1985  
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1989 -)))
1990 -)))
1991 -
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1995 -)))
1996 -)))
1997 -
1998 -(((
1999 -* (((
2000 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2001 -)))
2002 -)))
2003 -
2004 -(((
2005 -* (((
2006 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2007 -)))
2008 -)))
2009 -
2010 -(((
2011 -* (((
2012 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2013 -)))
2014 -)))
2015 -
2016 -(((
2017 -* (((
2018 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2019 -
2020 -
2021 -)))
2022 -
2023 2023  = 8. Packing Info =
2024 -)))
2025 2025  
2026 -(((
2027 -(((
1997 +
2028 2028  **Package Includes**:
2029 -)))
2030 -)))
2031 2031  
2032 -(((
2033 -(((
2034 2034  * LT-22222-L I/O Controller x 1
2035 2035  * Stick Antenna for LoRa RF part x 1
2036 2036  * Bracket for controller x1
2037 2037  * Program cable x 1
2038 -)))
2039 -)))
2040 2040  
2041 -(((
2042 -(((
2005 +
2043 2043  **Dimension and weight**:
2044 -)))
2045 -)))
2046 2046  
2047 -(((
2048 -(((
2049 2049  * Device Size: 13.5 x 7 x 3 cm
2050 2050  * Device Weight: 105g
2051 2051  * Package Size / pcs : 14.5 x 8 x 5 cm
2052 2052  * Weight / pcs : 170g
2053 2053  
2054 -
2055 -)))
2056 -)))
2057 2057  
2058 -(((
2014 +
2059 2059  = 9. Support =
2060 -)))
2061 2061  
2062 2062  * (((
2063 -(((
2064 2064  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.
2065 2065  )))
2066 -)))
2067 2067  * (((
2068 -(((
2069 -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]]
2070 2070  )))
2071 -)))
2072 2072  
2073 -(((
2074 -(((
2075 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2076 2076  
2077 -
2078 -)))
2079 2079  
2080 -(((
2081 2081  = 10. Reference​​​​​ =
2082 2082  
2083 -* Product Page:
2084 -
2085 -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]]
2086 -
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 2087  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2088 2088  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2089 2089  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2090 -)))
2091 -)))

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