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 ... ... @@ -1914,7 +1914,7 @@ 1914 1914 (% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1915 1915 (% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1916 1916 (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1917 -(% style="background-color:#dcdcdc" %)ATZ 1910 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1918 1918 ))) 1919 1919 1920 1920 ... ... @@ -1993,6 +1993,7 @@ 1993 1993 * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1994 1994 1995 1995 1989 + 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 2000 + 2006 2006 **Dimension and weight**: 2007 2007 2008 2008 * Device Size: 13.5 x 7 x 3 cm ... ... @@ -2011,6 +2011,7 @@ 2011 2011 * Weight / pcs : 170g 2012 2012 2013 2013 2009 + 2014 2014 = 9. Support = 2015 2015 2016 2016 * ((( ... ... @@ -2021,6 +2021,7 @@ 2021 2021 ))) 2022 2022 2023 2023 2020 + 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]]