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]] ... ... @@ -1283,21 +1283,16 @@ 1283 1283 [[image:1653356838789-523.png||height="337" width="740"]] 1284 1284 1285 1285 1286 - 1287 1287 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1288 1288 1289 1289 [[image:image-20220524094909-1.png||height="335" width="729"]] 1290 1290 1291 - 1292 1292 [[image:image-20220524094909-2.png||height="337" width="729"]] 1293 1293 1294 - 1295 1295 [[image:image-20220524094909-3.png||height="338" width="727"]] 1296 1296 1297 - 1298 1298 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1299 1299 1300 - 1301 1301 [[image:image-20220524094909-5.png||height="341" width="734"]] 1302 1302 1303 1303 ... ... @@ -1337,7 +1337,7 @@ 1337 1337 ))) 1338 1338 1339 1339 ((( 1340 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1342 +**Example1**: Connect to a Low active sensor. 1341 1341 ))) 1342 1342 1343 1343 ((( ... ... @@ -1368,7 +1368,7 @@ 1368 1368 ))) 1369 1369 1370 1370 ((( 1371 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1373 +**Example2**: Connect to a High active sensor. 1372 1372 ))) 1373 1373 1374 1374 ((( ... ... @@ -1399,7 +1399,7 @@ 1399 1399 ))) 1400 1400 1401 1401 ((( 1402 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1404 +**Example3**: Connect to a 220v high active sensor. 1403 1403 ))) 1404 1404 1405 1405 ((( ... ... @@ -1439,9 +1439,8 @@ 1439 1439 1440 1440 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: 1441 1441 1444 +**AC2 = (IN2 voltage )/12** 1442 1442 1443 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1444 - 1445 1445 [[image:1653357592296-182.png]] 1446 1446 1447 1447 Example to connect a 4~~20mA sensor ... ... @@ -1448,18 +1448,17 @@ 1448 1448 1449 1449 We take the wind speed sensor as an example for reference only. 1450 1450 1452 +Specifications of the wind speed sensor: 1451 1451 1452 - **Specifications of the windspeed sensor:**1454 +Red:12~~24v 1453 1453 1454 - Red:12~~24v1456 +Yellow:4~~20mA 1455 1455 1456 - Yellow:4~~20mA1458 +Black:GND 1457 1457 1458 -Black: GND 1459 1459 1461 +Connection diagram: 1460 1460 1461 -**Connection diagram:** 1462 - 1463 1463 [[image:1653357640609-758.png]] 1464 1464 1465 1465 [[image:1653357648330-671.png||height="155" width="733"]] ... ... @@ -1491,7 +1491,6 @@ 1491 1491 1492 1492 [[image:1653358238933-385.png]] 1493 1493 1494 - 1495 1495 ((( 1496 1496 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: 1497 1497 ))) ... ... @@ -1498,7 +1498,6 @@ 1498 1498 1499 1499 [[image:1653358355238-883.png]] 1500 1500 1501 - 1502 1502 ((( 1503 1503 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/]] 1504 1504 ))) ... ... @@ -1696,9 +1696,7 @@ 1696 1696 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1697 1697 1698 1698 ((( 1699 - 1700 - 1701 -**If device has not joined network yet:** 1697 +If device has not joined network yet: 1702 1702 ))) 1703 1703 1704 1704 ((( ... ... @@ -1723,7 +1723,7 @@ 1723 1723 1724 1724 1725 1725 ((( 1726 - **If device already joined network:**1722 +If device already joined network: 1727 1727 ))) 1728 1728 1729 1729 ((( ... ... @@ -1741,9 +1741,7 @@ 1741 1741 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1742 1742 1743 1743 ((( 1744 - 1745 - 1746 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1740 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1747 1747 ))) 1748 1748 1749 1749 ((( ... ... @@ -1751,7 +1751,7 @@ 1751 1751 ))) 1752 1752 1753 1753 ((( 1754 -(% style="background-color:#dcdcdc" %) 123456(%%) 1748 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1755 1755 ))) 1756 1756 1757 1757 ((( ... ... @@ -1759,41 +1759,39 @@ 1759 1759 ))) 1760 1760 1761 1761 ((( 1762 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1756 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1763 1763 ))) 1764 1764 1765 1765 ((( 1766 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1760 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1767 1767 ))) 1768 1768 1769 1769 ((( 1770 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1764 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1771 1771 ))) 1772 1772 1773 1773 ((( 1774 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1768 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1775 1775 ))) 1776 1776 1777 1777 ((( 1778 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1772 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1779 1779 ))) 1780 1780 1781 1781 ((( 1782 -(% 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) 1783 1783 ))) 1784 1784 1785 1785 ((( 1786 -(% 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 1787 1787 ))) 1788 1788 1789 1789 ((( 1790 -(% 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. 1791 1791 ))) 1792 1792 1793 1793 ((( 1794 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1795 - 1796 - 1788 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1797 1797 ))) 1798 1798 1799 1799 ((( ... ... @@ -1816,6 +1816,7 @@ 1816 1816 ))) 1817 1817 1818 1818 1811 + 1819 1819 === 4.2.3 Change to Class A === 1820 1820 1821 1821 If sensor JOINED ... ... @@ -1827,25 +1827,19 @@ 1827 1827 1828 1828 == 5.1 How to upgrade the image? == 1829 1829 1830 - 1831 1831 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1832 1832 1833 1833 * Support new features 1834 1834 * For bug fix 1835 1835 * Change LoRaWAN bands. 1836 - 1837 1837 Below shows the hardware connection for how to upload an image to the LT: 1829 +* [[image:1653359603330-121.png]] 1838 1838 1839 -[[image:1653359603330-121.png]] 1840 - 1841 - 1842 1842 ((( 1843 -(% 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]]. 1844 -(% 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/]]. 1845 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1846 - 1847 - 1848 -(% 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**: 1849 1849 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. 1850 1850 ))) 1851 1851 ... ... @@ -1855,7 +1855,6 @@ 1855 1855 1856 1856 [[image:image-20220524104033-15.png]] 1857 1857 1858 - 1859 1859 (% 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: 1860 1860 1861 1861 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1871,11 +1871,14 @@ 1871 1871 1872 1872 ((( 1873 1873 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 + 1874 1874 ))) 1875 1875 1876 1876 ((( 1877 1877 1878 1878 1867 + 1879 1879 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1880 1880 ))) 1881 1881 ... ... @@ -1888,8 +1888,6 @@ 1888 1888 ((( 1889 1889 ((( 1890 1890 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1891 - 1892 - 1893 1893 ))) 1894 1894 ))) 1895 1895 ... ... @@ -1920,7 +1920,7 @@ 1920 1920 (% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1921 1921 (% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1922 1922 (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1923 -(% style="background-color:#dcdcdc" %)ATZ 1910 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1924 1924 ))) 1925 1925 1926 1926 ... ... @@ -1998,6 +1998,8 @@ 1998 1998 * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1999 1999 * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 2000 2000 1988 + 1989 + 2001 2001 = 8. Packing Info = 2002 2002 2003 2003 ... ... @@ -2008,6 +2008,7 @@ 2008 2008 * Bracket for controller x1 2009 2009 * Program cable x 1 2010 2010 2000 + 2011 2011 **Dimension and weight**: 2012 2012 2013 2013 * Device Size: 13.5 x 7 x 3 cm ... ... @@ -2015,6 +2015,8 @@ 2015 2015 * Package Size / pcs : 14.5 x 8 x 5 cm 2016 2016 * Weight / pcs : 170g 2017 2017 2008 + 2009 + 2018 2018 = 9. Support = 2019 2019 2020 2020 * ((( ... ... @@ -2024,6 +2024,8 @@ 2024 2024 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]] 2025 2025 ))) 2026 2026 2019 + 2020 + 2027 2027 = 10. Reference = 2028 2028 2029 2029 * 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]]