Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.45 >
edited by Xiaoling
on 2022/06/10 09:03
To version < 77.28 >
edited by Xiaoling
on 2022/06/10 08:41
>
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Summary

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Content
... ... @@ -75,6 +75,7 @@
75 75  )))
76 76  )))
77 77  
78 +
78 78  (((
79 79  **Interface for Model: LT22222-L:**
80 80  )))
... ... @@ -98,6 +98,7 @@
98 98  Power Input 7~~ 24V DC. 
99 99  )))
100 100  
102 +
101 101  (((
102 102  **LoRa Spec:**
103 103  )))
... ... @@ -162,6 +162,8 @@
162 162  
163 163  )))
164 164  
167 +
168 +
165 165  == 1.3 Features ==
166 166  
167 167  * LoRaWAN Class A & Class C protocol
... ... @@ -172,6 +172,8 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
179 +
180 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,8 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
190 +
191 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,8 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
205 +
206 +
197 197  = 2. Power ON Device =
198 198  
199 199  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.
... ... @@ -275,6 +275,8 @@
275 275  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
276 276  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
277 277  
288 +
289 +
278 278  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
279 279  
280 280  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -310,6 +310,7 @@
310 310  * [1] RO1 relay channel is close and the RO1 LED is ON.
311 311  * [0] RO2 relay channel is open and RO2 LED is OFF;
312 312  
325 +
313 313  **LT22222-L:**
314 314  
315 315  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -325,6 +325,8 @@
325 325  ** DO1 is high in case there is load between DO1 and V+.
326 326  ** DO1 LED is off in both case
327 327  
341 +
342 +
328 328  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
329 329  
330 330  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -739,6 +739,8 @@
739 739  
740 740  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
741 741  
757 +
758 +
742 742  === 3.4.1 Common Commands ===
743 743  
744 744  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]]
... ... @@ -988,7 +988,6 @@
988 988  )))
989 989  
990 990  
991 -
992 992  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
993 993  
994 994  * AT Command:
... ... @@ -1021,7 +1021,6 @@
1021 1021  )))
1022 1022  
1023 1023  
1024 -
1025 1025  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1026 1026  
1027 1027  * AT Command:
... ... @@ -1084,7 +1084,6 @@
1084 1084  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
1085 1085  
1086 1086  
1087 -
1088 1088  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1089 1089  
1090 1090  * AT Command:
... ... @@ -1113,7 +1113,6 @@
1113 1113  Device will upload a packet if downlink code executes successfully.
1114 1114  
1115 1115  
1116 -
1117 1117  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1118 1118  
1119 1119  * AT Command:
... ... @@ -1164,7 +1164,6 @@
1164 1164  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1165 1165  
1166 1166  
1167 -
1168 1168  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1169 1169  
1170 1170  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1184,7 +1184,6 @@
1184 1184  )))
1185 1185  
1186 1186  
1187 -
1188 1188  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1189 1189  
1190 1190  * AT Command:
... ... @@ -1210,7 +1210,6 @@
1210 1210  )))
1211 1211  
1212 1212  
1213 -
1214 1214  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1215 1215  
1216 1216  Clear counting for counting mode
... ... @@ -1230,7 +1230,6 @@
1230 1230  )))
1231 1231  
1232 1232  
1233 -
1234 1234  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1235 1235  
1236 1236  * AT Command:
... ... @@ -1253,8 +1253,6 @@
1253 1253  
1254 1254  )))
1255 1255  
1256 -
1257 -
1258 1258  == 3.5 Integrate with Mydevice ==
1259 1259  
1260 1260  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:
... ... @@ -1296,7 +1296,6 @@
1296 1296  [[image:image-20220524094909-5.png||height="341" width="734"]]
1297 1297  
1298 1298  
1299 -
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 ) ===
... ... @@ -1306,7 +1306,6 @@
1306 1306  [[image:1653356991268-289.png]]
1307 1307  
1308 1308  
1309 -
1310 1310  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1311 1311  
1312 1312  (((
... ... @@ -1421,7 +1421,6 @@
1421 1421  )))
1422 1422  
1423 1423  
1424 -
1425 1425  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1426 1426  
1427 1427  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1429,7 +1429,6 @@
1429 1429  [[image:1653357531600-905.png]]
1430 1430  
1431 1431  
1432 -
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:
... ... @@ -1458,7 +1458,6 @@
1458 1458  [[image:1653357648330-671.png||height="155" width="733"]]
1459 1459  
1460 1460  
1461 -
1462 1462  === 3.6.5 Relay Output ===
1463 1463  
1464 1464  (((
... ... @@ -1470,7 +1470,6 @@
1470 1470  [[image:image-20220524100215-10.png||height="382" width="723"]]
1471 1471  
1472 1472  
1473 -
1474 1474  == 3.7 LEDs Indicators ==
1475 1475  
1476 1476  [[image:image-20220524100748-11.png]]
... ... @@ -1680,8 +1680,6 @@
1680 1680  
1681 1681  )))
1682 1682  
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) ===
... ... @@ -1725,8 +1725,6 @@
1725 1725  
1726 1726  )))
1727 1727  
1728 -
1729 -
1730 1730  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1731 1731  
1732 1732  (((
... ... @@ -1800,8 +1800,6 @@
1800 1800  
1801 1801  )))
1802 1802  
1803 -
1804 -
1805 1805  === 4.2.3 Change to Class A ===
1806 1806  
1807 1807  If sensor JOINED
... ... @@ -1818,19 +1818,14 @@
1818 1818  * Support new features
1819 1819  * For bug fix
1820 1820  * Change LoRaWAN bands.
1821 -
1822 1822  Below shows the hardware connection for how to upload an image to the LT:
1817 +* [[image:1653359603330-121.png]]
1823 1823  
1824 -[[image:1653359603330-121.png]]
1825 -
1826 -
1827 1827  (((
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**(%%):
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 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1822 +**Step3: **Open flashloader; choose the correct COM port to update.
1823 +**For LT-22222-L**:
1834 1834  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.
1835 1835  )))
1836 1836  
... ... @@ -1847,8 +1847,6 @@
1847 1847  
1848 1848  (((
1849 1849  (((
1850 -
1851 -
1852 1852  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1853 1853  )))
1854 1854  )))
... ... @@ -1855,11 +1855,11 @@
1855 1855  
1856 1856  (((
1857 1857  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1858 -)))
1859 1859  
1860 -(((
1861 1861  
1848 +)))
1862 1862  
1850 +(((
1863 1863  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1864 1864  )))
1865 1865  
... ... @@ -1872,8 +1872,6 @@
1872 1872  (((
1873 1873  (((
1874 1874  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1875 -
1876 -
1877 1877  )))
1878 1878  )))
1879 1879  
... ... @@ -1889,25 +1889,23 @@
1889 1889  (% 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.
1890 1890  )))
1891 1891  
1892 -
1893 1893  (((
1894 1894  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1895 1895  )))
1896 1896  
1897 1897  (((
1898 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1899 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1900 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1901 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1902 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1903 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1904 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1905 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1906 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1907 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
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
1908 1908  )))
1909 1909  
1910 -
1911 1911  (((
1912 1912  As shown in below:
1913 1913  )))
... ... @@ -1924,11 +1924,11 @@
1924 1924  == 5.5 Can i use point to point communication for LT-22222-L? ==
1925 1925  
1926 1926  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1927 -)))
1928 1928  
1929 -(((
1930 1930  
1913 +)))
1931 1931  
1915 +(((
1932 1932  = 6. Trouble Shooting =
1933 1933  )))
1934 1934  
... ... @@ -1940,11 +1940,11 @@
1940 1940  
1941 1941  (((
1942 1942  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1943 -)))
1944 1944  
1945 -(((
1946 1946  
1929 +)))
1947 1947  
1931 +(((
1948 1948  == 6.2 Have trouble to upload image. ==
1949 1949  )))
1950 1950  
... ... @@ -1954,7 +1954,9 @@
1954 1954  
1955 1955  (((
1956 1956  
1941 +)))
1957 1957  
1943 +(((
1958 1958  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1959 1959  )))
1960 1960  
... ... @@ -1962,58 +1962,147 @@
1962 1962  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1963 1963  )))
1964 1964  
1951 +(((
1952 +
1953 +)))
1965 1965  
1966 -
1955 +(((
1967 1967  = 7. Order Info =
1957 +)))
1968 1968  
1969 -
1959 +(((
1960 +(((
1970 1970  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1962 +)))
1963 +)))
1971 1971  
1972 -
1965 +(((
1966 +(((
1973 1973  (% style="color:#4f81bd" %)**XXX:**
1968 +)))
1969 +)))
1974 1974  
1975 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1976 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1977 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1978 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1979 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1980 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1981 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1982 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1983 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1971 +(((
1972 +* (((
1973 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1974 +)))
1975 +)))
1984 1984  
1977 +(((
1978 +* (((
1979 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1980 +)))
1981 +)))
1985 1985  
1986 -= 8. Packing Info =
1983 +(((
1984 +* (((
1985 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1986 +)))
1987 +)))
1987 1987  
1989 +(((
1990 +* (((
1991 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1992 +)))
1993 +)))
1988 1988  
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 += 8. Packing Info =
2027 +)))
2028 +
2029 +(((
2030 +(((
1989 1989  **Package Includes**:
2032 +)))
2033 +)))
1990 1990  
2035 +(((
2036 +(((
1991 1991  * LT-22222-L I/O Controller x 1
1992 1992  * Stick Antenna for LoRa RF part x 1
1993 1993  * Bracket for controller x1
1994 1994  * Program cable x 1
2041 +)))
2042 +)))
1995 1995  
2044 +(((
2045 +(((
1996 1996  **Dimension and weight**:
2047 +)))
2048 +)))
1997 1997  
2050 +(((
2051 +(((
1998 1998  * Device Size: 13.5 x 7 x 3 cm
1999 1999  * Device Weight: 105g
2000 2000  * Package Size / pcs : 14.5 x 8 x 5 cm
2001 2001  * Weight / pcs : 170g
2002 2002  
2057 +
2058 +)))
2059 +)))
2003 2003  
2061 +(((
2004 2004  = 9. Support =
2063 +)))
2005 2005  
2006 2006  * (((
2066 +(((
2007 2007  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.
2008 2008  )))
2069 +)))
2009 2009  * (((
2010 -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]]
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
2011 2011  )))
2074 +)))
2012 2012  
2076 +(((
2077 +(((
2078 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2013 2013  
2080 +
2081 +)))
2082 +
2083 +(((
2014 2014  = 10. Reference​​​​​ =
2015 2015  
2016 -* 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 +* 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 +
2017 2017  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2018 2018  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2019 2019  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2093 +)))
2094 +)))

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