Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.19 >
edited by Xiaoling
on 2022/06/10 08:40
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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... ... @@ -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]]
... ... @@ -807,6 +807,7 @@
807 807  )))
808 808  
809 809  
800 +
810 810  ==== 3.4.2.3 Poll an uplink ====
811 811  
812 812  * AT Command:
... ... @@ -823,6 +823,7 @@
823 823  **Example**: 0x08FF, ask device to send an Uplink
824 824  
825 825  
817 +
826 826  ==== 3.4.2.4 Enable Trigger Mode ====
827 827  
828 828  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -846,6 +846,7 @@
846 846  )))
847 847  
848 848  
841 +
849 849  ==== 3.4.2.5 Poll trigger settings ====
850 850  
851 851  Poll trigger settings,
... ... @@ -862,6 +862,7 @@
862 862  )))
863 863  
864 864  
858 +
865 865  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
866 866  
867 867  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -885,6 +885,7 @@
885 885  )))
886 886  
887 887  
882 +
888 888  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
889 889  
890 890  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -912,6 +912,7 @@
912 912  )))
913 913  
914 914  
910 +
915 915  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
916 916  
917 917  Set DI2 trigger.
... ... @@ -939,6 +939,7 @@
939 939  )))
940 940  
941 941  
938 +
942 942  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
943 943  
944 944  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -958,6 +958,7 @@
958 958  )))
959 959  
960 960  
958 +
961 961  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
962 962  
963 963  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -977,6 +977,7 @@
977 977  )))
978 978  
979 979  
978 +
980 980  ==== 3.4.2.11 Trigger – Set minimum interval ====
981 981  
982 982  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -996,6 +996,7 @@
996 996  )))
997 997  
998 998  
998 +
999 999  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1000 1000  
1001 1001  * AT Command:
... ... @@ -1028,6 +1028,7 @@
1028 1028  )))
1029 1029  
1030 1030  
1031 +
1031 1031  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1032 1032  
1033 1033  * AT Command:
... ... @@ -1090,6 +1090,7 @@
1090 1090  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
1091 1091  
1092 1092  
1094 +
1093 1093  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1094 1094  
1095 1095  * AT Command:
... ... @@ -1118,6 +1118,7 @@
1118 1118  Device will upload a packet if downlink code executes successfully.
1119 1119  
1120 1120  
1123 +
1121 1121  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1122 1122  
1123 1123  * AT Command:
... ... @@ -1168,6 +1168,7 @@
1168 1168  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1169 1169  
1170 1170  
1174 +
1171 1171  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1172 1172  
1173 1173  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1187,6 +1187,7 @@
1187 1187  )))
1188 1188  
1189 1189  
1194 +
1190 1190  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1191 1191  
1192 1192  * AT Command:
... ... @@ -1212,6 +1212,7 @@
1212 1212  )))
1213 1213  
1214 1214  
1220 +
1215 1215  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1216 1216  
1217 1217  Clear counting for counting mode
... ... @@ -1231,6 +1231,7 @@
1231 1231  )))
1232 1232  
1233 1233  
1240 +
1234 1234  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1235 1235  
1236 1236  * AT Command:
... ... @@ -1253,6 +1253,8 @@
1253 1253  
1254 1254  )))
1255 1255  
1263 +
1264 +
1256 1256  == 3.5 Integrate with Mydevice ==
1257 1257  
1258 1258  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:
... ... @@ -1294,6 +1294,7 @@
1294 1294  [[image:image-20220524094909-5.png||height="341" width="734"]]
1295 1295  
1296 1296  
1306 +
1297 1297  == 3.6 Interface Detail ==
1298 1298  
1299 1299  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1303,6 +1303,7 @@
1303 1303  [[image:1653356991268-289.png]]
1304 1304  
1305 1305  
1316 +
1306 1306  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1307 1307  
1308 1308  (((
... ... @@ -1417,6 +1417,7 @@
1417 1417  )))
1418 1418  
1419 1419  
1431 +
1420 1420  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1421 1421  
1422 1422  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1424,6 +1424,7 @@
1424 1424  [[image:1653357531600-905.png]]
1425 1425  
1426 1426  
1439 +
1427 1427  === 3.6.4 Analog Input Interface ===
1428 1428  
1429 1429  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:
... ... @@ -1452,6 +1452,7 @@
1452 1452  [[image:1653357648330-671.png||height="155" width="733"]]
1453 1453  
1454 1454  
1468 +
1455 1455  === 3.6.5 Relay Output ===
1456 1456  
1457 1457  (((
... ... @@ -1463,6 +1463,7 @@
1463 1463  [[image:image-20220524100215-10.png||height="382" width="723"]]
1464 1464  
1465 1465  
1480 +
1466 1466  == 3.7 LEDs Indicators ==
1467 1467  
1468 1468  [[image:image-20220524100748-11.png]]
... ... @@ -1672,6 +1672,8 @@
1672 1672  
1673 1673  )))
1674 1674  
1690 +
1691 +
1675 1675  == 4.2 Common AT Command Sequence ==
1676 1676  
1677 1677  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1715,6 +1715,8 @@
1715 1715  
1716 1716  )))
1717 1717  
1735 +
1736 +
1718 1718  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1719 1719  
1720 1720  (((
... ... @@ -1788,6 +1788,8 @@
1788 1788  
1789 1789  )))
1790 1790  
1810 +
1811 +
1791 1791  === 4.2.3 Change to Class A ===
1792 1792  
1793 1793  If sensor JOINED
... ... @@ -1811,6 +1811,8 @@
1811 1811  **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]].
1812 1812  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1813 1813  **Step3: **Open flashloader; choose the correct COM port to update.
1835 +
1836 +
1814 1814  **For LT-22222-L**:
1815 1815  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.
1816 1816  )))
... ... @@ -1828,6 +1828,8 @@
1828 1828  
1829 1829  (((
1830 1830  (((
1854 +
1855 +
1831 1831  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1832 1832  )))
1833 1833  )))
... ... @@ -1834,11 +1834,11 @@
1834 1834  
1835 1835  (((
1836 1836  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1837 -
1838 -
1839 1839  )))
1840 1840  
1841 1841  (((
1865 +
1866 +
1842 1842  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1843 1843  )))
1844 1844  
... ... @@ -1851,6 +1851,8 @@
1851 1851  (((
1852 1852  (((
1853 1853  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1879 +
1880 +
1854 1854  )))
1855 1855  )))
1856 1856  
... ... @@ -1866,23 +1866,25 @@
1866 1866  (% 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.
1867 1867  )))
1868 1868  
1896 +
1869 1869  (((
1870 1870  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1875 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1876 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1877 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1878 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1879 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1880 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1881 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1882 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1883 -(% 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
1884 1884  )))
1885 1885  
1914 +
1886 1886  (((
1887 1887  As shown in below:
1888 1888  )))
... ... @@ -1899,11 +1899,11 @@
1899 1899  == 5.5 Can i use point to point communication for LT-22222-L? ==
1900 1900  
1901 1901  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1902 -
1903 -
1904 1904  )))
1905 1905  
1906 1906  (((
1934 +
1935 +
1907 1907  = 6. Trouble Shooting =
1908 1908  )))
1909 1909  
... ... @@ -1915,11 +1915,11 @@
1915 1915  
1916 1916  (((
1917 1917  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1918 -
1919 -
1920 1920  )))
1921 1921  
1922 1922  (((
1950 +
1951 +
1923 1923  == 6.2 Have trouble to upload image. ==
1924 1924  )))
1925 1925  
... ... @@ -1929,9 +1929,7 @@
1929 1929  
1930 1930  (((
1931 1931  
1932 -)))
1933 1933  
1934 -(((
1935 1935  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1936 1936  )))
1937 1937  
... ... @@ -1939,147 +1939,62 @@
1939 1939  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1940 1940  )))
1941 1941  
1942 -(((
1943 -
1944 -)))
1945 1945  
1946 -(((
1970 +
1947 1947  = 7. Order Info =
1948 -)))
1949 1949  
1950 -(((
1951 -(((
1973 +
1952 1952  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1953 -)))
1954 -)))
1955 1955  
1956 -(((
1957 -(((
1976 +
1958 1958  (% style="color:#4f81bd" %)**XXX:**
1959 -)))
1960 -)))
1961 1961  
1962 -(((
1963 -* (((
1964 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1965 -)))
1966 -)))
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
1967 1967  
1968 -(((
1969 -* (((
1970 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1971 -)))
1972 -)))
1973 1973  
1974 -(((
1975 -* (((
1976 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1977 -)))
1978 -)))
1979 1979  
1980 -(((
1981 -* (((
1982 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1983 -)))
1984 -)))
1985 -
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1989 -)))
1990 -)))
1991 -
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1995 -)))
1996 -)))
1997 -
1998 -(((
1999 -* (((
2000 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2001 -)))
2002 -)))
2003 -
2004 -(((
2005 -* (((
2006 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2007 -)))
2008 -)))
2009 -
2010 -(((
2011 -* (((
2012 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2013 -
2014 -
2015 -)))
2016 -
2017 2017  = 8. Packing Info =
2018 -)))
2019 2019  
2020 -(((
2021 -(((
1993 +
2022 2022  **Package Includes**:
2023 -)))
2024 -)))
2025 2025  
2026 -(((
2027 -(((
2028 2028  * LT-22222-L I/O Controller x 1
2029 2029  * Stick Antenna for LoRa RF part x 1
2030 2030  * Bracket for controller x1
2031 2031  * Program cable x 1
2032 -)))
2033 -)))
2034 2034  
2035 -(((
2036 -(((
2001 +
2037 2037  **Dimension and weight**:
2038 -)))
2039 -)))
2040 2040  
2041 -(((
2042 -(((
2043 2043  * Device Size: 13.5 x 7 x 3 cm
2044 2044  * Device Weight: 105g
2045 2045  * Package Size / pcs : 14.5 x 8 x 5 cm
2046 2046  * Weight / pcs : 170g
2047 2047  
2048 -
2049 -)))
2050 -)))
2051 2051  
2052 -(((
2010 +
2053 2053  = 9. Support =
2054 -)))
2055 2055  
2056 2056  * (((
2057 -(((
2058 2058  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.
2059 2059  )))
2060 -)))
2061 2061  * (((
2062 -(((
2063 -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]]
2064 2064  )))
2065 -)))
2066 2066  
2067 -(((
2068 -(((
2069 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2070 2070  
2071 -
2072 -)))
2073 2073  
2074 -(((
2075 2075  = 10. Reference​​​​​ =
2076 2076  
2077 -* Product Page:
2078 -
2079 -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]]
2080 -
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]]
2081 2081  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2082 2082  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2083 2083  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2084 -)))
2085 -)))

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