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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... ... @@ -11,6 +11,9 @@ 11 11 12 12 13 13 14 + 15 + 16 + 14 14 = 1.Introduction = 15 15 16 16 == 1.1 What is LT Series I/O Controller == ... ... @@ -48,6 +48,8 @@ 48 48 == 1.2 Specifications == 49 49 50 50 ((( 54 + 55 + 51 51 **Hardware System:** 52 52 ))) 53 53 ... ... @@ -157,6 +157,7 @@ 157 157 158 158 ))) 159 159 165 + 160 160 == 1.3 Features == 161 161 162 162 * LoRaWAN Class A & Class C protocol ... ... @@ -203,6 +203,7 @@ 203 203 [[image:1653297104069-180.png]] 204 204 205 205 212 + 206 206 = 3. Operation Mode = 207 207 208 208 == 3.1 How it works? == ... ... @@ -217,6 +217,8 @@ 217 217 218 218 ))) 219 219 227 + 228 + 220 220 == 3.2 Example to join LoRaWAN network == 221 221 222 222 ((( ... ... @@ -258,6 +258,7 @@ 258 258 [[image:1653298044601-602.png||height="405" width="709"]] 259 259 260 260 270 + 261 261 == 3.3 Uplink Payload == 262 262 263 263 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -414,6 +414,7 @@ 414 414 ))) 415 415 416 416 427 + 417 417 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 418 418 419 419 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -458,6 +458,8 @@ 458 458 459 459 ))) 460 460 472 + 473 + 461 461 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 462 462 463 463 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -539,6 +539,7 @@ 539 539 ))) 540 540 541 541 555 + 542 542 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 543 543 544 544 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -583,6 +583,8 @@ 583 583 584 584 ))) 585 585 600 + 601 + 586 586 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 587 587 588 588 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** ... ... @@ -706,6 +706,7 @@ 706 706 When device got this command, it will send the MOD6 payload. 707 707 708 708 725 + 709 709 === 3.3.7 Payload Decoder === 710 710 711 711 ((( ... ... @@ -714,6 +714,8 @@ 714 714 715 715 ))) 716 716 734 + 735 + 717 717 == 3.4 Configure LT via AT or Downlink == 718 718 719 719 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -726,11 +726,13 @@ 726 726 727 727 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 728 728 748 + 729 729 === 3.4.1 Common Commands === 730 730 731 731 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]] 732 732 733 733 754 + 734 734 === 3.4.2 Sensor related commands === 735 735 736 736 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -754,6 +754,7 @@ 754 754 ))) 755 755 756 756 778 + 757 757 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 758 758 759 759 Set work mode. ... ... @@ -775,6 +775,7 @@ 775 775 ))) 776 776 777 777 800 + 778 778 ==== 3.4.2.3 Poll an uplink ==== 779 779 780 780 * AT Command: ... ... @@ -791,6 +791,7 @@ 791 791 **Example**: 0x08FF, ask device to send an Uplink 792 792 793 793 817 + 794 794 ==== 3.4.2.4 Enable Trigger Mode ==== 795 795 796 796 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -814,6 +814,7 @@ 814 814 ))) 815 815 816 816 841 + 817 817 ==== 3.4.2.5 Poll trigger settings ==== 818 818 819 819 Poll trigger settings, ... ... @@ -830,6 +830,7 @@ 830 830 ))) 831 831 832 832 858 + 833 833 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 834 834 835 835 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -853,6 +853,7 @@ 853 853 ))) 854 854 855 855 882 + 856 856 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 857 857 858 858 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -880,6 +880,7 @@ 880 880 ))) 881 881 882 882 910 + 883 883 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 884 884 885 885 Set DI2 trigger. ... ... @@ -907,6 +907,7 @@ 907 907 ))) 908 908 909 909 938 + 910 910 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 911 911 912 912 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -926,6 +926,7 @@ 926 926 ))) 927 927 928 928 958 + 929 929 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 930 930 931 931 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -945,6 +945,7 @@ 945 945 ))) 946 946 947 947 978 + 948 948 ==== 3.4.2.11 Trigger – Set minimum interval ==== 949 949 950 950 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -964,6 +964,7 @@ 964 964 ))) 965 965 966 966 998 + 967 967 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 968 968 969 969 * AT Command: ... ... @@ -996,6 +996,7 @@ 996 996 ))) 997 997 998 998 1031 + 999 999 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1000 1000 1001 1001 * AT Command: ... ... @@ -1058,6 +1058,7 @@ 1058 1058 DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low 1059 1059 1060 1060 1094 + 1061 1061 === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1062 1062 1063 1063 * AT Command: ... ... @@ -1086,6 +1086,7 @@ 1086 1086 Device will upload a packet if downlink code executes successfully. 1087 1087 1088 1088 1123 + 1089 1089 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1090 1090 1091 1091 * AT Command: ... ... @@ -1136,6 +1136,7 @@ 1136 1136 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1137 1137 1138 1138 1174 + 1139 1139 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1140 1140 1141 1141 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1155,6 +1155,7 @@ 1155 1155 ))) 1156 1156 1157 1157 1194 + 1158 1158 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1159 1159 1160 1160 * AT Command: ... ... @@ -1180,6 +1180,7 @@ 1180 1180 ))) 1181 1181 1182 1182 1220 + 1183 1183 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1184 1184 1185 1185 Clear counting for counting mode ... ... @@ -1199,6 +1199,7 @@ 1199 1199 ))) 1200 1200 1201 1201 1240 + 1202 1202 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1203 1203 1204 1204 * AT Command: ... ... @@ -1221,6 +1221,8 @@ 1221 1221 1222 1222 ))) 1223 1223 1263 + 1264 + 1224 1224 == 3.5 Integrate with Mydevice == 1225 1225 1226 1226 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: ... ... @@ -1262,6 +1262,7 @@ 1262 1262 [[image:image-20220524094909-5.png||height="341" width="734"]] 1263 1263 1264 1264 1306 + 1265 1265 == 3.6 Interface Detail == 1266 1266 1267 1267 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1271,6 +1271,7 @@ 1271 1271 [[image:1653356991268-289.png]] 1272 1272 1273 1273 1316 + 1274 1274 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1275 1275 1276 1276 ((( ... ... @@ -1385,6 +1385,7 @@ 1385 1385 ))) 1386 1386 1387 1387 1431 + 1388 1388 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1389 1389 1390 1390 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1392,6 +1392,7 @@ 1392 1392 [[image:1653357531600-905.png]] 1393 1393 1394 1394 1439 + 1395 1395 === 3.6.4 Analog Input Interface === 1396 1396 1397 1397 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: ... ... @@ -1420,6 +1420,7 @@ 1420 1420 [[image:1653357648330-671.png||height="155" width="733"]] 1421 1421 1422 1422 1468 + 1423 1423 === 3.6.5 Relay Output === 1424 1424 1425 1425 ((( ... ... @@ -1431,6 +1431,7 @@ 1431 1431 [[image:image-20220524100215-10.png||height="382" width="723"]] 1432 1432 1433 1433 1480 + 1434 1434 == 3.7 LEDs Indicators == 1435 1435 1436 1436 [[image:image-20220524100748-11.png]] ... ... @@ -1640,6 +1640,8 @@ 1640 1640 1641 1641 ))) 1642 1642 1690 + 1691 + 1643 1643 == 4.2 Common AT Command Sequence == 1644 1644 1645 1645 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1683,6 +1683,8 @@ 1683 1683 1684 1684 ))) 1685 1685 1735 + 1736 + 1686 1686 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1687 1687 1688 1688 ((( ... ... @@ -1756,6 +1756,8 @@ 1756 1756 1757 1757 ))) 1758 1758 1810 + 1811 + 1759 1759 === 4.2.3 Change to Class A === 1760 1760 1761 1761 If sensor JOINED ... ... @@ -1796,6 +1796,8 @@ 1796 1796 1797 1797 ((( 1798 1798 ((( 1852 + 1853 + 1799 1799 == 5.2 How to change the LoRa Frequency Bands/Region? == 1800 1800 ))) 1801 1801 ))) ... ... @@ -1807,6 +1807,9 @@ 1807 1807 ))) 1808 1808 1809 1809 ((( 1865 + 1866 + 1867 + 1810 1810 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1811 1811 ))) 1812 1812 ... ... @@ -1863,10 +1863,17 @@ 1863 1863 ((( 1864 1864 User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first. 1865 1865 1924 + 1925 +== 5.5 Can i use point to point communication for LT-22222-L? == 1926 + 1927 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1928 + 1866 1866 1867 1867 ))) 1868 1868 1869 1869 ((( 1933 + 1934 + 1870 1870 = 6. Trouble Shooting = 1871 1871 ))) 1872 1872 ... ... @@ -1883,6 +1883,8 @@ 1883 1883 ))) 1884 1884 1885 1885 ((( 1951 + 1952 + 1886 1886 == 6.2 Have trouble to upload image. == 1887 1887 ))) 1888 1888 ... ... @@ -1895,6 +1895,8 @@ 1895 1895 ))) 1896 1896 1897 1897 ((( 1965 + 1966 + 1898 1898 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1899 1899 ))) 1900 1900 ... ... @@ -1902,139 +1902,58 @@ 1902 1902 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1903 1903 ))) 1904 1904 1905 -((( 1906 - 1907 -))) 1908 1908 1909 - (((1975 + 1910 1910 = 7. Order Info = 1911 -))) 1912 1912 1913 -((( 1914 -((( 1978 + 1915 1915 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1916 -))) 1917 -))) 1918 1918 1919 -((( 1920 -((( 1981 + 1921 1921 (% style="color:#4f81bd" %)**XXX:** 1922 -))) 1923 -))) 1924 1924 1925 -((( 1926 -* ((( 1927 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1928 -))) 1929 -))) 1984 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1985 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1986 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1987 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1988 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1989 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1990 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1991 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1992 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1930 1930 1931 -((( 1932 -* ((( 1933 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1934 -))) 1935 -))) 1936 1936 1937 -((( 1938 -* ((( 1939 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1940 -))) 1941 -))) 1942 1942 1943 -((( 1944 -* ((( 1945 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1946 -))) 1947 -))) 1948 - 1949 -((( 1950 -* ((( 1951 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1952 -))) 1953 -))) 1954 - 1955 -((( 1956 -* ((( 1957 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1958 -))) 1959 -))) 1960 - 1961 -((( 1962 -* ((( 1963 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1964 -))) 1965 -))) 1966 - 1967 -((( 1968 -* ((( 1969 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1970 -))) 1971 -))) 1972 - 1973 -((( 1974 -* ((( 1975 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1976 - 1977 - 1978 -))) 1979 - 1980 1980 = 8. Packing Info = 1981 -))) 1982 1982 1983 -((( 1984 -((( 1998 + 1985 1985 **Package Includes**: 1986 -))) 1987 -))) 1988 1988 1989 -((( 1990 -((( 1991 1991 * LT-22222-L I/O Controller x 1 1992 1992 * Stick Antenna for LoRa RF part x 1 1993 1993 * Bracket for controller x1 1994 1994 * Program cable x 1 1995 -))) 1996 -))) 1997 1997 1998 -((( 1999 -((( 2006 + 2000 2000 **Dimension and weight**: 2001 -))) 2002 -))) 2003 2003 2004 -((( 2005 -((( 2006 2006 * Device Size: 13.5 x 7 x 3 cm 2007 2007 * Device Weight: 105g 2008 2008 * Package Size / pcs : 14.5 x 8 x 5 cm 2009 2009 * Weight / pcs : 170g 2010 2010 2011 - 2012 -))) 2013 -))) 2014 2014 2015 -((( 2016 2016 = 9. Support = 2017 -))) 2018 2018 2019 2019 * ((( 2020 -((( 2021 2021 Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 2022 2022 ))) 2023 -))) 2024 2024 * ((( 2025 -((( 2026 -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 2021 +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]] 2027 2027 ))) 2028 -))) 2029 2029 2030 -((( 2031 -((( 2032 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2033 2033 2034 - 2035 -))) 2036 2036 2037 -((( 2038 2038 = 10. Reference = 2039 2039 2040 2040 * Product Page: ... ... @@ -2044,5 +2044,3 @@ 2044 2044 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2045 2045 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2046 2046 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2047 -))) 2048 -)))