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]] ... ... @@ -1260,11 +1260,11 @@ 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: 1261 1261 1262 1262 ((( 1263 - (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.1270 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1264 1264 ))) 1265 1265 1266 1266 ((( 1267 - (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:1274 +**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1268 1268 ))) 1269 1269 1270 1270 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1271,13 +1271,12 @@ 1271 1271 1272 1272 [[image:image-20220524094641-11.png||height="390" width="723"]] 1273 1273 1274 - 1275 1275 [[image:image-20220524094641-12.png||height="402" width="718"]] 1276 1276 1277 1277 1278 - (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.1284 +**Step 3**: Create an account or log in Mydevices. 1279 1279 1280 - (% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)1286 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1281 1281 1282 1282 Search under The things network 1283 1283 ... ... @@ -1284,21 +1284,16 @@ 1284 1284 [[image:1653356838789-523.png||height="337" width="740"]] 1285 1285 1286 1286 1287 - 1288 1288 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1289 1289 1290 1290 [[image:image-20220524094909-1.png||height="335" width="729"]] 1291 1291 1292 - 1293 1293 [[image:image-20220524094909-2.png||height="337" width="729"]] 1294 1294 1295 - 1296 1296 [[image:image-20220524094909-3.png||height="338" width="727"]] 1297 1297 1298 - 1299 1299 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1300 1300 1301 - 1302 1302 [[image:image-20220524094909-5.png||height="341" width="734"]] 1303 1303 1304 1304 ... ... @@ -1338,7 +1338,7 @@ 1338 1338 ))) 1339 1339 1340 1340 ((( 1341 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1342 +**Example1**: Connect to a Low active sensor. 1342 1342 ))) 1343 1343 1344 1344 ((( ... ... @@ -1369,7 +1369,7 @@ 1369 1369 ))) 1370 1370 1371 1371 ((( 1372 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1373 +**Example2**: Connect to a High active sensor. 1373 1373 ))) 1374 1374 1375 1375 ((( ... ... @@ -1400,7 +1400,7 @@ 1400 1400 ))) 1401 1401 1402 1402 ((( 1403 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1404 +**Example3**: Connect to a 220v high active sensor. 1404 1404 ))) 1405 1405 1406 1406 ((( ... ... @@ -1440,9 +1440,8 @@ 1440 1440 1441 1441 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: 1442 1442 1444 +**AC2 = (IN2 voltage )/12** 1443 1443 1444 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1445 - 1446 1446 [[image:1653357592296-182.png]] 1447 1447 1448 1448 Example to connect a 4~~20mA sensor ... ... @@ -1449,18 +1449,17 @@ 1449 1449 1450 1450 We take the wind speed sensor as an example for reference only. 1451 1451 1452 +Specifications of the wind speed sensor: 1452 1452 1453 - **Specifications of the windspeed sensor:**1454 +Red:12~~24v 1454 1454 1455 - Red:12~~24v1456 +Yellow:4~~20mA 1456 1456 1457 - Yellow:4~~20mA1458 +Black:GND 1458 1458 1459 -Black: GND 1460 1460 1461 +Connection diagram: 1461 1461 1462 -**Connection diagram:** 1463 - 1464 1464 [[image:1653357640609-758.png]] 1465 1465 1466 1466 [[image:1653357648330-671.png||height="155" width="733"]] ... ... @@ -1492,7 +1492,6 @@ 1492 1492 1493 1493 [[image:1653358238933-385.png]] 1494 1494 1495 - 1496 1496 ((( 1497 1497 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: 1498 1498 ))) ... ... @@ -1499,7 +1499,6 @@ 1499 1499 1500 1500 [[image:1653358355238-883.png]] 1501 1501 1502 - 1503 1503 ((( 1504 1504 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/]] 1505 1505 ))) ... ... @@ -1697,9 +1697,7 @@ 1697 1697 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1698 1698 1699 1699 ((( 1700 - 1701 - 1702 -**If device has not joined network yet:** 1697 +If device has not joined network yet: 1703 1703 ))) 1704 1704 1705 1705 ((( ... ... @@ -1724,7 +1724,7 @@ 1724 1724 1725 1725 1726 1726 ((( 1727 - **If device already joined network:**1722 +If device already joined network: 1728 1728 ))) 1729 1729 1730 1730 ((( ... ... @@ -1742,9 +1742,7 @@ 1742 1742 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1743 1743 1744 1744 ((( 1745 - 1746 - 1747 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1740 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1748 1748 ))) 1749 1749 1750 1750 ((( ... ... @@ -1752,7 +1752,7 @@ 1752 1752 ))) 1753 1753 1754 1754 ((( 1755 -(% style="background-color:#dcdcdc" %) 123456(%%) 1748 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1756 1756 ))) 1757 1757 1758 1758 ((( ... ... @@ -1760,41 +1760,39 @@ 1760 1760 ))) 1761 1761 1762 1762 ((( 1763 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1756 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1764 1764 ))) 1765 1765 1766 1766 ((( 1767 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1760 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1768 1768 ))) 1769 1769 1770 1770 ((( 1771 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1764 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1772 1772 ))) 1773 1773 1774 1774 ((( 1775 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1768 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1776 1776 ))) 1777 1777 1778 1778 ((( 1779 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1772 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1780 1780 ))) 1781 1781 1782 1782 ((( 1783 -(% 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) 1784 1784 ))) 1785 1785 1786 1786 ((( 1787 -(% 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 1788 1788 ))) 1789 1789 1790 1790 ((( 1791 -(% 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. 1792 1792 ))) 1793 1793 1794 1794 ((( 1795 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1796 - 1797 - 1788 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1798 1798 ))) 1799 1799 1800 1800 ((( ... ... @@ -1817,6 +1817,7 @@ 1817 1817 ))) 1818 1818 1819 1819 1811 + 1820 1820 === 4.2.3 Change to Class A === 1821 1821 1822 1822 If sensor JOINED ... ... @@ -1828,25 +1828,19 @@ 1828 1828 1829 1829 == 5.1 How to upgrade the image? == 1830 1830 1831 - 1832 1832 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1833 1833 1834 1834 * Support new features 1835 1835 * For bug fix 1836 1836 * Change LoRaWAN bands. 1837 - 1838 1838 Below shows the hardware connection for how to upload an image to the LT: 1829 +* [[image:1653359603330-121.png]] 1839 1839 1840 -[[image:1653359603330-121.png]] 1841 - 1842 - 1843 1843 ((( 1844 -(% 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]]. 1845 -(% 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/]]. 1846 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1847 - 1848 - 1849 -(% 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**: 1850 1850 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. 1851 1851 ))) 1852 1852 ... ... @@ -1856,7 +1856,6 @@ 1856 1856 1857 1857 [[image:image-20220524104033-15.png]] 1858 1858 1859 - 1860 1860 (% 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: 1861 1861 1862 1862 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1872,11 +1872,14 @@ 1872 1872 1873 1873 ((( 1874 1874 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 + 1875 1875 ))) 1876 1876 1877 1877 ((( 1878 1878 1879 1879 1867 + 1880 1880 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1881 1881 ))) 1882 1882 ... ... @@ -1889,8 +1889,6 @@ 1889 1889 ((( 1890 1890 ((( 1891 1891 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1892 - 1893 - 1894 1894 ))) 1895 1895 ))) 1896 1896 ... ... @@ -1906,25 +1906,23 @@ 1906 1906 (% 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. 1907 1907 ))) 1908 1908 1909 - 1910 1910 ((( 1911 1911 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1912 1912 ))) 1913 1913 1914 1914 ((( 1915 -(% style="background-color:#dcdcdc" %)123456 (%%) 1916 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1917 -(% style="background-color:#dcdcdc" %)123456 (%%) 1918 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1919 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1920 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1921 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1922 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1923 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1924 -(% 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 1925 1925 ))) 1926 1926 1927 - 1928 1928 ((( 1929 1929 As shown in below: 1930 1930 ))) ... ... @@ -1941,6 +1941,8 @@ 1941 1941 == 5.5 Can i use point to point communication for LT-22222-L? == 1942 1942 1943 1943 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1928 + 1929 + 1944 1944 ))) 1945 1945 1946 1946 ((( ... ... @@ -1957,6 +1957,8 @@ 1957 1957 1958 1958 ((( 1959 1959 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1946 + 1947 + 1960 1960 ))) 1961 1961 1962 1962 ((( ... ... @@ -1971,7 +1971,11 @@ 1971 1971 1972 1972 ((( 1973 1973 1962 +))) 1974 1974 1964 +((( 1965 + 1966 + 1975 1975 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1976 1976 ))) 1977 1977 ... ... @@ -1999,6 +1999,8 @@ 1999 1999 * (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2000 2000 * (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 2001 2001 1994 + 1995 + 2002 2002 = 8. Packing Info = 2003 2003 2004 2004 ... ... @@ -2009,6 +2009,7 @@ 2009 2009 * Bracket for controller x1 2010 2010 * Program cable x 1 2011 2011 2006 + 2012 2012 **Dimension and weight**: 2013 2013 2014 2014 * Device Size: 13.5 x 7 x 3 cm ... ... @@ -2016,6 +2016,8 @@ 2016 2016 * Package Size / pcs : 14.5 x 8 x 5 cm 2017 2017 * Weight / pcs : 170g 2018 2018 2014 + 2015 + 2019 2019 = 9. Support = 2020 2020 2021 2021 * ((( ... ... @@ -2025,6 +2025,8 @@ 2025 2025 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]] 2026 2026 ))) 2027 2027 2025 + 2026 + 2028 2028 = 10. Reference = 2029 2029 2030 2030 * 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]]