Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.22 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.43 >
edited by Xiaoling
on 2022/06/10 09:00
>
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  )))
... ... @@ -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]]
... ... @@ -865,6 +865,7 @@
865 865  )))
866 866  
867 867  
858 +
868 868  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
869 869  
870 870  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -888,6 +888,7 @@
888 888  )))
889 889  
890 890  
882 +
891 891  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
892 892  
893 893  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -915,6 +915,7 @@
915 915  )))
916 916  
917 917  
910 +
918 918  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
919 919  
920 920  Set DI2 trigger.
... ... @@ -942,6 +942,7 @@
942 942  )))
943 943  
944 944  
938 +
945 945  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
946 946  
947 947  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -961,6 +961,7 @@
961 961  )))
962 962  
963 963  
958 +
964 964  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
965 965  
966 966  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -980,6 +980,7 @@
980 980  )))
981 981  
982 982  
978 +
983 983  ==== 3.4.2.11 Trigger – Set minimum interval ====
984 984  
985 985  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -999,6 +999,7 @@
999 999  )))
1000 1000  
1001 1001  
998 +
1002 1002  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1003 1003  
1004 1004  * AT Command:
... ... @@ -1031,6 +1031,7 @@
1031 1031  )))
1032 1032  
1033 1033  
1031 +
1034 1034  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1035 1035  
1036 1036  * AT Command:
... ... @@ -1093,6 +1093,7 @@
1093 1093  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
1094 1094  
1095 1095  
1094 +
1096 1096  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1097 1097  
1098 1098  * AT Command:
... ... @@ -1121,6 +1121,7 @@
1121 1121  Device will upload a packet if downlink code executes successfully.
1122 1122  
1123 1123  
1123 +
1124 1124  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1125 1125  
1126 1126  * AT Command:
... ... @@ -1171,6 +1171,7 @@
1171 1171  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1172 1172  
1173 1173  
1174 +
1174 1174  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1175 1175  
1176 1176  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1190,6 +1190,7 @@
1190 1190  )))
1191 1191  
1192 1192  
1194 +
1193 1193  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1194 1194  
1195 1195  * AT Command:
... ... @@ -1215,6 +1215,7 @@
1215 1215  )))
1216 1216  
1217 1217  
1220 +
1218 1218  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1219 1219  
1220 1220  Clear counting for counting mode
... ... @@ -1234,6 +1234,7 @@
1234 1234  )))
1235 1235  
1236 1236  
1240 +
1237 1237  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1238 1238  
1239 1239  * AT Command:
... ... @@ -1256,6 +1256,8 @@
1256 1256  
1257 1257  )))
1258 1258  
1263 +
1264 +
1259 1259  == 3.5 Integrate with Mydevice ==
1260 1260  
1261 1261  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:
... ... @@ -1297,6 +1297,7 @@
1297 1297  [[image:image-20220524094909-5.png||height="341" width="734"]]
1298 1298  
1299 1299  
1306 +
1300 1300  == 3.6 Interface Detail ==
1301 1301  
1302 1302  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1306,6 +1306,7 @@
1306 1306  [[image:1653356991268-289.png]]
1307 1307  
1308 1308  
1316 +
1309 1309  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1310 1310  
1311 1311  (((
... ... @@ -1420,6 +1420,7 @@
1420 1420  )))
1421 1421  
1422 1422  
1431 +
1423 1423  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1424 1424  
1425 1425  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1427,6 +1427,7 @@
1427 1427  [[image:1653357531600-905.png]]
1428 1428  
1429 1429  
1439 +
1430 1430  === 3.6.4 Analog Input Interface ===
1431 1431  
1432 1432  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:
... ... @@ -1455,6 +1455,7 @@
1455 1455  [[image:1653357648330-671.png||height="155" width="733"]]
1456 1456  
1457 1457  
1468 +
1458 1458  === 3.6.5 Relay Output ===
1459 1459  
1460 1460  (((
... ... @@ -1466,6 +1466,7 @@
1466 1466  [[image:image-20220524100215-10.png||height="382" width="723"]]
1467 1467  
1468 1468  
1480 +
1469 1469  == 3.7 LEDs Indicators ==
1470 1470  
1471 1471  [[image:image-20220524100748-11.png]]
... ... @@ -1675,6 +1675,8 @@
1675 1675  
1676 1676  )))
1677 1677  
1690 +
1691 +
1678 1678  == 4.2 Common AT Command Sequence ==
1679 1679  
1680 1680  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1718,6 +1718,8 @@
1718 1718  
1719 1719  )))
1720 1720  
1735 +
1736 +
1721 1721  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1722 1722  
1723 1723  (((
... ... @@ -1791,6 +1791,8 @@
1791 1791  
1792 1792  )))
1793 1793  
1810 +
1811 +
1794 1794  === 4.2.3 Change to Class A ===
1795 1795  
1796 1796  If sensor JOINED
... ... @@ -1814,6 +1814,8 @@
1814 1814  **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]].
1815 1815  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1816 1816  **Step3: **Open flashloader; choose the correct COM port to update.
1835 +
1836 +
1817 1817  **For LT-22222-L**:
1818 1818  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.
1819 1819  )))
... ... @@ -1831,6 +1831,8 @@
1831 1831  
1832 1832  (((
1833 1833  (((
1854 +
1855 +
1834 1834  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1835 1835  )))
1836 1836  )))
... ... @@ -1837,11 +1837,11 @@
1837 1837  
1838 1838  (((
1839 1839  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1840 -
1841 -
1842 1842  )))
1843 1843  
1844 1844  (((
1865 +
1866 +
1845 1845  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1846 1846  )))
1847 1847  
... ... @@ -1854,6 +1854,8 @@
1854 1854  (((
1855 1855  (((
1856 1856  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1879 +
1880 +
1857 1857  )))
1858 1858  )))
1859 1859  
... ... @@ -1869,23 +1869,25 @@
1869 1869  (% 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.
1870 1870  )))
1871 1871  
1896 +
1872 1872  (((
1873 1873  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1874 1874  )))
1875 1875  
1876 1876  (((
1877 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1878 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1879 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1880 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1881 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1882 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1883 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1884 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1885 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1886 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1902 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1903 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1904 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1905 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1906 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1907 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1908 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1909 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1910 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1911 +(% style="background-color:#dcdcdc" %)ATZ  (%%) Reset MCU
1887 1887  )))
1888 1888  
1914 +
1889 1889  (((
1890 1890  As shown in below:
1891 1891  )))
... ... @@ -1902,11 +1902,11 @@
1902 1902  == 5.5 Can i use point to point communication for LT-22222-L? ==
1903 1903  
1904 1904  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1905 -
1906 -
1907 1907  )))
1908 1908  
1909 1909  (((
1934 +
1935 +
1910 1910  = 6. Trouble Shooting =
1911 1911  )))
1912 1912  
... ... @@ -1918,11 +1918,11 @@
1918 1918  
1919 1919  (((
1920 1920  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1921 -
1922 -
1923 1923  )))
1924 1924  
1925 1925  (((
1950 +
1951 +
1926 1926  == 6.2 Have trouble to upload image. ==
1927 1927  )))
1928 1928  
... ... @@ -1932,9 +1932,7 @@
1932 1932  
1933 1933  (((
1934 1934  
1935 -)))
1936 1936  
1937 -(((
1938 1938  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1939 1939  )))
1940 1940  
... ... @@ -1942,147 +1942,62 @@
1942 1942  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1943 1943  )))
1944 1944  
1945 -(((
1946 -
1947 -)))
1948 1948  
1949 -(((
1970 +
1950 1950  = 7. Order Info =
1951 -)))
1952 1952  
1953 -(((
1954 -(((
1973 +
1955 1955  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1956 -)))
1957 -)))
1958 1958  
1959 -(((
1960 -(((
1976 +
1961 1961  (% style="color:#4f81bd" %)**XXX:**
1962 -)))
1963 -)))
1964 1964  
1965 -(((
1966 -* (((
1967 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1968 -)))
1969 -)))
1979 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1980 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1981 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1982 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1983 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1984 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1985 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1986 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1987 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1970 1970  
1971 -(((
1972 -* (((
1973 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1974 -)))
1975 -)))
1976 1976  
1977 -(((
1978 -* (((
1979 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1980 -)))
1981 -)))
1982 1982  
1983 -(((
1984 -* (((
1985 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1986 -)))
1987 -)))
1988 -
1989 -(((
1990 -* (((
1991 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1992 -)))
1993 -)))
1994 -
1995 -(((
1996 -* (((
1997 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1998 -)))
1999 -)))
2000 -
2001 -(((
2002 -* (((
2003 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2004 -)))
2005 -)))
2006 -
2007 -(((
2008 -* (((
2009 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2010 -)))
2011 -)))
2012 -
2013 -(((
2014 -* (((
2015 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2016 -
2017 -
2018 -)))
2019 -
2020 2020  = 8. Packing Info =
2021 -)))
2022 2022  
2023 -(((
2024 -(((
1993 +
2025 2025  **Package Includes**:
2026 -)))
2027 -)))
2028 2028  
2029 -(((
2030 -(((
2031 2031  * LT-22222-L I/O Controller x 1
2032 2032  * Stick Antenna for LoRa RF part x 1
2033 2033  * Bracket for controller x1
2034 2034  * Program cable x 1
2035 -)))
2036 -)))
2037 2037  
2038 -(((
2039 -(((
2001 +
2040 2040  **Dimension and weight**:
2041 -)))
2042 -)))
2043 2043  
2044 -(((
2045 -(((
2046 2046  * Device Size: 13.5 x 7 x 3 cm
2047 2047  * Device Weight: 105g
2048 2048  * Package Size / pcs : 14.5 x 8 x 5 cm
2049 2049  * Weight / pcs : 170g
2050 2050  
2051 -
2052 -)))
2053 -)))
2054 2054  
2055 -(((
2010 +
2056 2056  = 9. Support =
2057 -)))
2058 2058  
2059 2059  * (((
2060 -(((
2061 2061  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.
2062 2062  )))
2063 -)))
2064 2064  * (((
2065 -(((
2066 -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
2017 +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]]
2067 2067  )))
2068 -)))
2069 2069  
2070 -(((
2071 -(((
2072 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2073 2073  
2074 -
2075 -)))
2076 2076  
2077 -(((
2078 2078  = 10. Reference​​​​​ =
2079 2079  
2080 -* Product Page:
2081 -
2082 -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]]
2083 -
2024 +* 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]]
2084 2084  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2085 2085  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2086 2086  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2087 -)))
2088 -)))

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