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]] ... ... @@ -1254,16 +1254,17 @@ 1254 1254 ))) 1255 1255 1256 1256 1264 + 1257 1257 == 3.5 Integrate with Mydevice == 1258 1258 1259 1259 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: 1260 1260 1261 1261 ((( 1262 - (% 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. 1263 1263 ))) 1264 1264 1265 1265 ((( 1266 - (% 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: 1267 1267 ))) 1268 1268 1269 1269 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1270,13 +1270,12 @@ 1270 1270 1271 1271 [[image:image-20220524094641-11.png||height="390" width="723"]] 1272 1272 1273 - 1274 1274 [[image:image-20220524094641-12.png||height="402" width="718"]] 1275 1275 1276 1276 1277 - (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.1284 +**Step 3**: Create an account or log in Mydevices. 1278 1278 1279 - (% 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" %) 1280 1280 1281 1281 Search under The things network 1282 1282 ... ... @@ -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"]] ... ... @@ -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 1909 +(% 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 1987 + 1988 + 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 1999 + 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 2007 + 2008 + 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 2018 + 2019 + 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]]