Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -162,6 +162,7 @@ 162 162 163 163 ))) 164 164 165 + 165 165 == 1.3 Features == 166 166 167 167 * LoRaWAN Class A & Class C protocol ... ... @@ -172,6 +172,7 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 176 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,7 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 186 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -194,6 +194,7 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 200 + 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 +275,7 @@ 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 277 277 282 + 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. ... ... @@ -325,6 +325,7 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 333 + 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 +739,7 @@ 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: 741 741 748 + 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]] ... ... @@ -1442,16 +1442,15 @@ 1442 1442 1443 1443 We take the wind speed sensor as an example for reference only. 1444 1444 1452 +Specifications of the wind speed sensor: 1445 1445 1446 - **Specifications of the windspeed sensor:**1454 +Red:12~~24v 1447 1447 1448 - Red:12~~24v1456 +Yellow:4~~20mA 1449 1449 1450 - Yellow:4~~20mA1458 +Black:GND 1451 1451 1452 -Black: GND 1453 1453 1454 - 1455 1455 Connection diagram: 1456 1456 1457 1457 [[image:1653357640609-758.png]] ... ... @@ -1485,7 +1485,6 @@ 1485 1485 1486 1486 [[image:1653358238933-385.png]] 1487 1487 1488 - 1489 1489 ((( 1490 1490 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1491 1491 ))) ... ... @@ -1492,7 +1492,6 @@ 1492 1492 1493 1493 [[image:1653358355238-883.png]] 1494 1494 1495 - 1496 1496 ((( 1497 1497 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1498 1498 ))) ... ... @@ -1690,9 +1690,7 @@ 1690 1690 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1691 1691 1692 1692 ((( 1693 - 1694 - 1695 -**If device has not joined network yet:** 1697 +If device has not joined network yet: 1696 1696 ))) 1697 1697 1698 1698 ((( ... ... @@ -1717,7 +1717,7 @@ 1717 1717 1718 1718 1719 1719 ((( 1720 - **If device already joined network:**1722 +If device already joined network: 1721 1721 ))) 1722 1722 1723 1723 ((( ... ... @@ -1735,9 +1735,7 @@ 1735 1735 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1736 1736 1737 1737 ((( 1738 - 1739 - 1740 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1740 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1741 1741 ))) 1742 1742 1743 1743 ((( ... ... @@ -1745,7 +1745,7 @@ 1745 1745 ))) 1746 1746 1747 1747 ((( 1748 -(% style="background-color:#dcdcdc" %) 123456(%%) 1748 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1749 1749 ))) 1750 1750 1751 1751 ((( ... ... @@ -1753,41 +1753,39 @@ 1753 1753 ))) 1754 1754 1755 1755 ((( 1756 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1756 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1757 1757 ))) 1758 1758 1759 1759 ((( 1760 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1760 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1761 1761 ))) 1762 1762 1763 1763 ((( 1764 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1764 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1765 1765 ))) 1766 1766 1767 1767 ((( 1768 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1768 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1769 1769 ))) 1770 1770 1771 1771 ((( 1772 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1772 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1773 1773 ))) 1774 1774 1775 1775 ((( 1776 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1776 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1777 1777 ))) 1778 1778 1779 1779 ((( 1780 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1780 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1781 1781 ))) 1782 1782 1783 1783 ((( 1784 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 1784 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1785 1785 ))) 1786 1786 1787 1787 ((( 1788 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1789 - 1790 - 1788 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1791 1791 ))) 1792 1792 1793 1793 ((( ... ... @@ -1810,6 +1810,7 @@ 1810 1810 ))) 1811 1811 1812 1812 1811 + 1813 1813 === 4.2.3 Change to Class A === 1814 1814 1815 1815 If sensor JOINED ... ... @@ -1821,25 +1821,19 @@ 1821 1821 1822 1822 == 5.1 How to upgrade the image? == 1823 1823 1824 - 1825 1825 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1826 1826 1827 1827 * Support new features 1828 1828 * For bug fix 1829 1829 * Change LoRaWAN bands. 1830 - 1831 1831 Below shows the hardware connection for how to upload an image to the LT: 1829 +* [[image:1653359603330-121.png]] 1832 1832 1833 -[[image:1653359603330-121.png]] 1834 - 1835 - 1836 1836 ((( 1837 -(% 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]]. 1838 -(% 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/]]. 1839 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1840 - 1841 - 1842 -(% style="color:blue" %)**For LT-22222-L**(%%): 1832 +**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]]. 1833 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1834 +**Step3: **Open flashloader; choose the correct COM port to update. 1835 +**For LT-22222-L**: 1843 1843 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. 1844 1844 ))) 1845 1845 ... ... @@ -1849,7 +1849,6 @@ 1849 1849 1850 1850 [[image:image-20220524104033-15.png]] 1851 1851 1852 - 1853 1853 (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1854 1854 1855 1855 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1865,11 +1865,14 @@ 1865 1865 1866 1866 ((( 1867 1867 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1860 + 1861 + 1868 1868 ))) 1869 1869 1870 1870 ((( 1871 1871 1872 1872 1867 + 1873 1873 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1874 1874 ))) 1875 1875 ... ... @@ -1882,8 +1882,6 @@ 1882 1882 ((( 1883 1883 ((( 1884 1884 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1885 - 1886 - 1887 1887 ))) 1888 1888 ))) 1889 1889 ... ... @@ -1899,25 +1899,23 @@ 1899 1899 (% 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. 1900 1900 ))) 1901 1901 1902 - 1903 1903 ((( 1904 1904 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1905 1905 ))) 1906 1906 1907 1907 ((( 1908 -(% style="background-color:#dcdcdc" %)123456 (%%) 1909 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1910 -(% style="background-color:#dcdcdc" %)123456 (%%) 1911 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1912 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1913 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1914 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1915 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1916 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1917 -(% style="background-color:#dcdcdc" %)ATZ (%%) 1900 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1901 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1902 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1903 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1904 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1905 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1906 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1907 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1908 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1909 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1918 1918 ))) 1919 1919 1920 - 1921 1921 ((( 1922 1922 As shown in below: 1923 1923 ))) ... ... @@ -1934,6 +1934,8 @@ 1934 1934 == 5.5 Can i use point to point communication for LT-22222-L? == 1935 1935 1936 1936 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1928 + 1929 + 1937 1937 ))) 1938 1938 1939 1939 ((( ... ... @@ -1950,6 +1950,8 @@ 1950 1950 1951 1951 ((( 1952 1952 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1946 + 1947 + 1953 1953 ))) 1954 1954 1955 1955 ((( ... ... @@ -1964,7 +1964,11 @@ 1964 1964 1965 1965 ((( 1966 1966 1962 +))) 1967 1967 1964 +((( 1965 + 1966 + 1968 1968 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1969 1969 ))) 1970 1970 ... ... @@ -1993,6 +1993,7 @@ 1993 1993 * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1994 1994 1995 1995 1995 + 1996 1996 = 8. Packing Info = 1997 1997 1998 1998 ... ... @@ -2003,6 +2003,7 @@ 2003 2003 * Bracket for controller x1 2004 2004 * Program cable x 1 2005 2005 2006 + 2006 2006 **Dimension and weight**: 2007 2007 2008 2008 * Device Size: 13.5 x 7 x 3 cm ... ... @@ -2021,6 +2021,7 @@ 2021 2021 ))) 2022 2022 2023 2023 2025 + 2024 2024 = 10. Reference = 2025 2025 2026 2026 * 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]]