Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -11,9 +11,6 @@ 11 11 12 12 13 13 14 - 15 - 16 - 17 17 = 1.Introduction = 18 18 19 19 == 1.1 What is LT Series I/O Controller == ... ... @@ -51,8 +51,6 @@ 51 51 == 1.2 Specifications == 52 52 53 53 ((( 54 - 55 - 56 56 **Hardware System:** 57 57 ))) 58 58 ... ... @@ -172,6 +172,8 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 170 + 171 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,8 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 181 + 182 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -194,6 +194,8 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 196 + 197 + 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. ... ... @@ -205,7 +205,6 @@ 205 205 [[image:1653297104069-180.png]] 206 206 207 207 208 - 209 209 = 3. Operation Mode = 210 210 211 211 == 3.1 How it works? == ... ... @@ -220,8 +220,6 @@ 220 220 221 221 ))) 222 222 223 - 224 - 225 225 == 3.2 Example to join LoRaWAN network == 226 226 227 227 ((( ... ... @@ -263,7 +263,6 @@ 263 263 [[image:1653298044601-602.png||height="405" width="709"]] 264 264 265 265 266 - 267 267 == 3.3 Uplink Payload == 268 268 269 269 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -275,6 +275,8 @@ 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 277 277 275 + 276 + 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 +325,8 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 327 + 328 + 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. ... ... @@ -418,7 +418,6 @@ 418 418 ))) 419 419 420 420 421 - 422 422 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 423 423 424 424 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -463,8 +463,6 @@ 463 463 464 464 ))) 465 465 466 - 467 - 468 468 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 469 469 470 470 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -546,7 +546,6 @@ 546 546 ))) 547 547 548 548 549 - 550 550 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 551 551 552 552 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -591,8 +591,6 @@ 591 591 592 592 ))) 593 593 594 - 595 - 596 596 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 597 597 598 598 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** ... ... @@ -666,7 +666,6 @@ 666 666 667 667 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 668 668 669 - 670 670 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 671 671 672 672 MOD6 Payload : total 11 bytes payload ... ... @@ -673,7 +673,6 @@ 673 673 674 674 [[image:image-20220524085923-1.png]] 675 675 676 - 677 677 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 678 678 679 679 [[image:image-20220524090106-2.png]] ... ... @@ -680,7 +680,6 @@ 680 680 681 681 * Each bits shows if the corresponding trigger has been configured. 682 682 683 - 684 684 **Example:** 685 685 686 686 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -692,7 +692,6 @@ 692 692 693 693 * Each bits shows which status has been trigger on this uplink. 694 694 695 - 696 696 **Example:** 697 697 698 698 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -720,7 +720,6 @@ 720 720 When device got this command, it will send the MOD6 payload. 721 721 722 722 723 - 724 724 === 3.3.7 Payload Decoder === 725 725 726 726 ((( ... ... @@ -729,8 +729,6 @@ 729 729 730 730 ))) 731 731 732 - 733 - 734 734 == 3.4 Configure LT via AT or Downlink == 735 735 736 736 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -743,14 +743,11 @@ 743 743 744 744 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 745 745 746 - 747 - 748 748 === 3.4.1 Common Commands === 749 749 750 750 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]] 751 751 752 752 753 - 754 754 === 3.4.2 Sensor related commands === 755 755 756 756 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -766,7 +766,6 @@ 766 766 767 767 **Example: **AT+TDC=30000. Means set interval to 30 seconds 768 768 769 - 770 770 * Downlink Payload (prefix 0x01): 771 771 772 772 (% class="box infomessage" %) ... ... @@ -775,7 +775,6 @@ 775 775 ))) 776 776 777 777 778 - 779 779 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 780 780 781 781 Set work mode. ... ... @@ -789,7 +789,6 @@ 789 789 790 790 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 791 791 792 - 793 793 * Downlink Payload (prefix 0x0A): 794 794 795 795 (% class="box infomessage" %) ... ... @@ -798,7 +798,6 @@ 798 798 ))) 799 799 800 800 801 - 802 802 ==== 3.4.2.3 Poll an uplink ==== 803 803 804 804 * AT Command: ... ... @@ -805,7 +805,6 @@ 805 805 806 806 There is no AT Command to poll uplink 807 807 808 - 809 809 * Downlink Payload (prefix 0x08): 810 810 811 811 (% class="box infomessage" %) ... ... @@ -816,7 +816,6 @@ 816 816 **Example**: 0x08FF, ask device to send an Uplink 817 817 818 818 819 - 820 820 ==== 3.4.2.4 Enable Trigger Mode ==== 821 821 822 822 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -832,7 +832,6 @@ 832 832 833 833 0: Disable Trigger Mode 834 834 835 - 836 836 * Downlink Payload (prefix 0x0A 06): 837 837 838 838 (% class="box infomessage" %) ... ... @@ -841,7 +841,6 @@ 841 841 ))) 842 842 843 843 844 - 845 845 ==== 3.4.2.5 Poll trigger settings ==== 846 846 847 847 Poll trigger settings, ... ... @@ -850,7 +850,6 @@ 850 850 851 851 There is no AT Command for this feature. 852 852 853 - 854 854 * Downlink Payload (prefix 0x AB 06): 855 855 856 856 (% class="box infomessage" %) ... ... @@ -859,7 +859,6 @@ 859 859 ))) 860 860 861 861 862 - 863 863 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 864 864 865 865 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -871,7 +871,6 @@ 871 871 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 872 872 ))) 873 873 874 - 875 875 **Example:** 876 876 877 877 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -884,7 +884,6 @@ 884 884 ))) 885 885 886 886 887 - 888 888 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 889 889 890 890 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -900,12 +900,10 @@ 900 900 901 901 b : delay timing. 902 902 903 - 904 904 **Example:** 905 905 906 906 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 907 907 908 - 909 909 * Downlink Payload (prefix 0x09 01 ): 910 910 911 911 (% class="box infomessage" %) ... ... @@ -914,7 +914,6 @@ 914 914 ))) 915 915 916 916 917 - 918 918 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 919 919 920 920 Set DI2 trigger. ... ... @@ -930,12 +930,10 @@ 930 930 931 931 b : delay timing. 932 932 933 - 934 934 **Example:** 935 935 936 936 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 937 937 938 - 939 939 * Downlink Payload (prefix 0x09 02 ): 940 940 941 941 (% class="box infomessage" %) ... ... @@ -944,7 +944,6 @@ 944 944 ))) 945 945 946 946 947 - 948 948 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 949 949 950 950 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -956,7 +956,6 @@ 956 956 **AT+ACLIM. ** 957 957 ))) 958 958 959 - 960 960 * Downlink Payload (prefix 0xAA 01 ): 961 961 962 962 (% class="box infomessage" %) ... ... @@ -965,7 +965,6 @@ 965 965 ))) 966 966 967 967 968 - 969 969 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 970 970 971 971 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -977,7 +977,6 @@ 977 977 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 978 978 ))) 979 979 980 - 981 981 * Downlink Payload (prefix 0xAA 00 ): 982 982 983 983 (% class="box infomessage" %) ... ... @@ -986,7 +986,6 @@ 986 986 ))) 987 987 988 988 989 - 990 990 ==== 3.4.2.11 Trigger – Set minimum interval ==== 991 991 992 992 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -998,7 +998,6 @@ 998 998 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 999 999 ))) 1000 1000 1001 - 1002 1002 * Downlink Payload (prefix 0xAC ): 1003 1003 1004 1004 (% class="box infomessage" %) ... ... @@ -1007,7 +1007,6 @@ 1007 1007 ))) 1008 1008 1009 1009 1010 - 1011 1011 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1012 1012 1013 1013 * AT Command: ... ... @@ -1014,7 +1014,6 @@ 1014 1014 1015 1015 There is no AT Command to control Digital Output 1016 1016 1017 - 1018 1018 * Downlink Payload (prefix 0x02): 1019 1019 1020 1020 (% class="box infomessage" %) ... ... @@ -1041,7 +1041,6 @@ 1041 1041 ))) 1042 1042 1043 1043 1044 - 1045 1045 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1046 1046 1047 1047 * AT Command: ... ... @@ -1048,7 +1048,6 @@ 1048 1048 1049 1049 There is no AT Command to control Digital Output 1050 1050 1051 - 1052 1052 * Downlink Payload (prefix 0xA9): 1053 1053 1054 1054 (% class="box infomessage" %) ... ... @@ -1068,22 +1068,18 @@ 1068 1068 1069 1069 00: DO pins will change to an inverter state after timeout 1070 1070 1071 - 1072 1072 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1073 1073 1074 1074 [[image:image-20220524093238-6.png]] 1075 1075 1076 - 1077 1077 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1078 1078 1079 1079 [[image:image-20220524093328-7.png]] 1080 1080 1081 - 1082 1082 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1083 1083 1084 1084 [[image:image-20220524093351-8.png]] 1085 1085 1086 - 1087 1087 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1088 1088 1089 1089 Latching time. Unit: ms ... ... @@ -1090,7 +1090,6 @@ 1090 1090 1091 1091 Device will upload a packet if downlink code executes successfully. 1092 1092 1093 - 1094 1094 **Example payload:** 1095 1095 1096 1096 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1110,14 +1110,12 @@ 1110 1110 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 1111 1111 1112 1112 1066 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1113 1113 1114 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1115 - 1116 1116 * AT Command: 1117 1117 1118 1118 There is no AT Command to control Relay Output 1119 1119 1120 - 1121 1121 * Downlink Payload (prefix 0x03): 1122 1122 1123 1123 (% class="box infomessage" %) ... ... @@ -1140,7 +1140,6 @@ 1140 1140 Device will upload a packet if downlink code executes successfully. 1141 1141 1142 1142 1143 - 1144 1144 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1145 1145 1146 1146 * AT Command: ... ... @@ -1147,7 +1147,6 @@ 1147 1147 1148 1148 There is no AT Command to control Relay Output 1149 1149 1150 - 1151 1151 * Downlink Payload (prefix 0x05): 1152 1152 1153 1153 (% class="box infomessage" %) ... ... @@ -1165,17 +1165,14 @@ 1165 1165 1166 1166 00: Relays will change to an inverter state after timeout 1167 1167 1168 - 1169 1169 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1170 1170 1171 1171 [[image:image-20220524093831-10.png]] 1172 1172 1173 - 1174 1174 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1175 1175 1176 1176 Device will upload a packet if downlink code executes successfully. 1177 1177 1178 - 1179 1179 **Example payload:** 1180 1180 1181 1181 **~1. 05 01 11 07 D0** ... ... @@ -1195,7 +1195,6 @@ 1195 1195 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1196 1196 1197 1197 1198 - 1199 1199 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1200 1200 1201 1201 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1204,10 +1204,9 @@ 1204 1204 1205 1205 (% class="box infomessage" %) 1206 1206 ((( 1207 -**AT+VOLMAX ~/~/ See [[MOD4>> ||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**1152 +**AT+VOLMAX ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]** 1208 1208 ))) 1209 1209 1210 - 1211 1211 * Downlink Payload (prefix 0xA5): 1212 1212 1213 1213 (% class="box infomessage" %) ... ... @@ -1216,7 +1216,6 @@ 1216 1216 ))) 1217 1217 1218 1218 1219 - 1220 1220 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1221 1221 1222 1222 * AT Command: ... ... @@ -1234,7 +1234,6 @@ 1234 1234 1235 1235 Bb cc dd ee: number to be set 1236 1236 1237 - 1238 1238 * Downlink Payload (prefix 0xA8): 1239 1239 1240 1240 (% class="box infomessage" %) ... ... @@ -1243,7 +1243,6 @@ 1243 1243 ))) 1244 1244 1245 1245 1246 - 1247 1247 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1248 1248 1249 1249 Clear counting for counting mode ... ... @@ -1263,7 +1263,6 @@ 1263 1263 ))) 1264 1264 1265 1265 1266 - 1267 1267 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1268 1268 1269 1269 * AT Command: ... ... @@ -1286,17 +1286,16 @@ 1286 1286 1287 1287 ))) 1288 1288 1289 - 1290 1290 == 3.5 Integrate with Mydevice == 1291 1291 1292 1292 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: 1293 1293 1294 1294 ((( 1295 - (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.1234 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1296 1296 ))) 1297 1297 1298 1298 ((( 1299 - (% 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:1238 +**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: 1300 1300 ))) 1301 1301 1302 1302 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1303,38 +1303,30 @@ 1303 1303 1304 1304 [[image:image-20220524094641-11.png||height="390" width="723"]] 1305 1305 1306 - 1307 1307 [[image:image-20220524094641-12.png||height="402" width="718"]] 1308 1308 1247 +**Step 3**: Create an account or log in Mydevices. 1309 1309 1310 - (% style="color:blue" %)**Step3**(%%):Create an accountorloginMydevices.1249 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1311 1311 1312 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1313 - 1314 1314 Search under The things network 1315 1315 1316 1316 [[image:1653356838789-523.png||height="337" width="740"]] 1317 1317 1318 1318 1319 - 1320 1320 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1321 1321 1322 1322 [[image:image-20220524094909-1.png||height="335" width="729"]] 1323 1323 1324 - 1325 1325 [[image:image-20220524094909-2.png||height="337" width="729"]] 1326 1326 1327 - 1328 1328 [[image:image-20220524094909-3.png||height="338" width="727"]] 1329 1329 1330 - 1331 1331 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1332 1332 1333 - 1334 1334 [[image:image-20220524094909-5.png||height="341" width="734"]] 1335 1335 1336 1336 1337 - 1338 1338 == 3.6 Interface Detail == 1339 1339 1340 1340 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1344,7 +1344,6 @@ 1344 1344 [[image:1653356991268-289.png]] 1345 1345 1346 1346 1347 - 1348 1348 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1349 1349 1350 1350 ((( ... ... @@ -1370,7 +1370,7 @@ 1370 1370 ))) 1371 1371 1372 1372 ((( 1373 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1303 +**Example1**: Connect to a Low active sensor. 1374 1374 ))) 1375 1375 1376 1376 ((( ... ... @@ -1401,7 +1401,7 @@ 1401 1401 ))) 1402 1402 1403 1403 ((( 1404 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1334 +**Example2**: Connect to a High active sensor. 1405 1405 ))) 1406 1406 1407 1407 ((( ... ... @@ -1432,7 +1432,7 @@ 1432 1432 ))) 1433 1433 1434 1434 ((( 1435 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1365 +**Example3**: Connect to a 220v high active sensor. 1436 1436 ))) 1437 1437 1438 1438 ((( ... ... @@ -1459,7 +1459,6 @@ 1459 1459 ))) 1460 1460 1461 1461 1462 - 1463 1463 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1464 1464 1465 1465 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1467,14 +1467,12 @@ 1467 1467 [[image:1653357531600-905.png]] 1468 1468 1469 1469 1470 - 1471 1471 === 3.6.4 Analog Input Interface === 1472 1472 1473 1473 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: 1474 1474 1403 +**AC2 = (IN2 voltage )/12** 1475 1475 1476 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1477 - 1478 1478 [[image:1653357592296-182.png]] 1479 1479 1480 1480 Example to connect a 4~~20mA sensor ... ... @@ -1481,24 +1481,22 @@ 1481 1481 1482 1482 We take the wind speed sensor as an example for reference only. 1483 1483 1411 +Specifications of the wind speed sensor: 1484 1484 1485 - **Specifications of the windspeed sensor:**1413 +Red:12~~24v 1486 1486 1487 - Red:12~~24v1415 +Yellow:4~~20mA 1488 1488 1489 - Yellow:4~~20mA1417 +Black:GND 1490 1490 1491 -Black: GND 1492 1492 1420 +Connection diagram: 1493 1493 1494 -**Connection diagram:** 1495 - 1496 1496 [[image:1653357640609-758.png]] 1497 1497 1498 1498 [[image:1653357648330-671.png||height="155" width="733"]] 1499 1499 1500 1500 1501 - 1502 1502 === 3.6.5 Relay Output === 1503 1503 1504 1504 ((( ... ... @@ -1510,7 +1510,6 @@ 1510 1510 [[image:image-20220524100215-10.png||height="382" width="723"]] 1511 1511 1512 1512 1513 - 1514 1514 == 3.7 LEDs Indicators == 1515 1515 1516 1516 [[image:image-20220524100748-11.png]] ... ... @@ -1524,7 +1524,6 @@ 1524 1524 1525 1525 [[image:1653358238933-385.png]] 1526 1526 1527 - 1528 1528 ((( 1529 1529 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: 1530 1530 ))) ... ... @@ -1531,7 +1531,6 @@ 1531 1531 1532 1532 [[image:1653358355238-883.png]] 1533 1533 1534 - 1535 1535 ((( 1536 1536 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/]] 1537 1537 ))) ... ... @@ -1722,16 +1722,12 @@ 1722 1722 1723 1723 ))) 1724 1724 1725 - 1726 - 1727 1727 == 4.2 Common AT Command Sequence == 1728 1728 1729 1729 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1730 1730 1731 1731 ((( 1732 - 1733 - 1734 -**If device has not joined network yet:** 1652 +If device has not joined network yet: 1735 1735 ))) 1736 1736 1737 1737 ((( ... ... @@ -1756,7 +1756,7 @@ 1756 1756 1757 1757 1758 1758 ((( 1759 - **If device already joined network:**1677 +If device already joined network: 1760 1760 ))) 1761 1761 1762 1762 ((( ... ... @@ -1769,14 +1769,10 @@ 1769 1769 1770 1770 ))) 1771 1771 1772 - 1773 - 1774 1774 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1775 1775 1776 1776 ((( 1777 - 1778 - 1779 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1693 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1780 1780 ))) 1781 1781 1782 1782 ((( ... ... @@ -1784,7 +1784,7 @@ 1784 1784 ))) 1785 1785 1786 1786 ((( 1787 -(% style="background-color:#dcdcdc" %) 123456(%%) 1701 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1788 1788 ))) 1789 1789 1790 1790 ((( ... ... @@ -1792,41 +1792,39 @@ 1792 1792 ))) 1793 1793 1794 1794 ((( 1795 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1709 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1796 1796 ))) 1797 1797 1798 1798 ((( 1799 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1713 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1800 1800 ))) 1801 1801 1802 1802 ((( 1803 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1717 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1804 1804 ))) 1805 1805 1806 1806 ((( 1807 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1721 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1808 1808 ))) 1809 1809 1810 1810 ((( 1811 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1725 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1812 1812 ))) 1813 1813 1814 1814 ((( 1815 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1729 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1816 1816 ))) 1817 1817 1818 1818 ((( 1819 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1733 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1820 1820 ))) 1821 1821 1822 1822 ((( 1823 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 1737 +(% 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. 1824 1824 ))) 1825 1825 1826 1826 ((( 1827 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1828 - 1829 - 1741 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1830 1830 ))) 1831 1831 1832 1832 ((( ... ... @@ -1848,7 +1848,6 @@ 1848 1848 1849 1849 ))) 1850 1850 1851 - 1852 1852 === 4.2.3 Change to Class A === 1853 1853 1854 1854 If sensor JOINED ... ... @@ -1860,25 +1860,19 @@ 1860 1860 1861 1861 == 5.1 How to upgrade the image? == 1862 1862 1863 - 1864 1864 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1865 1865 1866 1866 * Support new features 1867 1867 * For bug fix 1868 1868 * Change LoRaWAN bands. 1869 - 1870 1870 Below shows the hardware connection for how to upload an image to the LT: 1780 +* [[image:1653359603330-121.png]] 1871 1871 1872 -[[image:1653359603330-121.png]] 1873 - 1874 - 1875 1875 ((( 1876 -(% 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]]. 1877 -(% 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/]]. 1878 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1879 - 1880 - 1881 -(% style="color:blue" %)**For LT-22222-L**(%%): 1783 +**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]]. 1784 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1785 +**Step3: **Open flashloader; choose the correct COM port to update. 1786 +**For LT-22222-L**: 1882 1882 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. 1883 1883 ))) 1884 1884 ... ... @@ -1888,7 +1888,6 @@ 1888 1888 1889 1889 [[image:image-20220524104033-15.png]] 1890 1890 1891 - 1892 1892 (% 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: 1893 1893 1894 1894 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1896,8 +1896,6 @@ 1896 1896 1897 1897 ((( 1898 1898 ((( 1899 - 1900 - 1901 1901 == 5.2 How to change the LoRa Frequency Bands/Region? == 1902 1902 ))) 1903 1903 ))) ... ... @@ -1904,11 +1904,11 @@ 1904 1904 1905 1905 ((( 1906 1906 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1907 -))) 1908 1908 1909 -((( 1910 1910 1811 +))) 1911 1911 1813 +((( 1912 1912 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1913 1913 ))) 1914 1914 ... ... @@ -1921,8 +1921,6 @@ 1921 1921 ((( 1922 1922 ((( 1923 1923 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1924 - 1925 - 1926 1926 ))) 1927 1927 ))) 1928 1928 ... ... @@ -1938,25 +1938,23 @@ 1938 1938 (% 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. 1939 1939 ))) 1940 1940 1941 - 1942 1942 ((( 1943 1943 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1944 1944 ))) 1945 1945 1946 1946 ((( 1947 -(% style="background-color:#dcdcdc" %)123456 (%%) 1948 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1949 -(% style="background-color:#dcdcdc" %)123456 (%%) 1950 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1951 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1952 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1953 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1954 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1955 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1956 -(% style="background-color:#dcdcdc" %)ATZ (%%) 1846 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1847 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1848 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1849 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1850 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1851 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1852 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1853 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1854 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1855 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1957 1957 ))) 1958 1958 1959 - 1960 1960 ((( 1961 1961 As shown in below: 1962 1962 ))) ... ... @@ -1969,15 +1969,10 @@ 1969 1969 ((( 1970 1970 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. 1971 1971 1972 - 1973 -== 5.5 Can i use point to point communication for LT-22222-L? == 1974 - 1975 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1870 + 1976 1976 ))) 1977 1977 1978 1978 ((( 1979 - 1980 - 1981 1981 = 6. Trouble Shooting = 1982 1982 ))) 1983 1983 ... ... @@ -1989,11 +1989,11 @@ 1989 1989 1990 1990 ((( 1991 1991 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1992 -))) 1993 1993 1994 -((( 1995 1995 1887 +))) 1996 1996 1889 +((( 1997 1997 == 6.2 Have trouble to upload image. == 1998 1998 ))) 1999 1999 ... ... @@ -2003,7 +2003,9 @@ 2003 2003 2004 2004 ((( 2005 2005 1899 +))) 2006 2006 1901 +((( 2007 2007 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 2008 2008 ))) 2009 2009 ... ... @@ -2011,55 +2011,147 @@ 2011 2011 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 2012 2012 ))) 2013 2013 1909 +((( 1910 + 1911 +))) 2014 2014 2015 - 1913 +((( 2016 2016 = 7. Order Info = 1915 +))) 2017 2017 2018 - 1917 +((( 1918 +((( 2019 2019 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1920 +))) 1921 +))) 2020 2020 2021 - 1923 +((( 1924 +((( 2022 2022 (% style="color:#4f81bd" %)**XXX:** 1926 +))) 1927 +))) 2023 2023 2024 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2025 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2026 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2027 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2028 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2029 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2030 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2031 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2032 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1929 +((( 1930 +* ((( 1931 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1932 +))) 1933 +))) 2033 2033 2034 -= 8. Packing Info = 1935 +((( 1936 +* ((( 1937 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1938 +))) 1939 +))) 2035 2035 1941 +((( 1942 +* ((( 1943 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1944 +))) 1945 +))) 2036 2036 1947 +((( 1948 +* ((( 1949 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1950 +))) 1951 +))) 1952 + 1953 +((( 1954 +* ((( 1955 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1956 +))) 1957 +))) 1958 + 1959 +((( 1960 +* ((( 1961 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1962 +))) 1963 +))) 1964 + 1965 +((( 1966 +* ((( 1967 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1968 +))) 1969 +))) 1970 + 1971 +((( 1972 +* ((( 1973 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1974 +))) 1975 +))) 1976 + 1977 +((( 1978 +* ((( 1979 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1980 + 1981 + 1982 +))) 1983 + 1984 += 8. Packing Info = 1985 +))) 1986 + 1987 +((( 1988 +((( 2037 2037 **Package Includes**: 1990 +))) 1991 +))) 2038 2038 1993 +((( 1994 +((( 2039 2039 * LT-22222-L I/O Controller x 1 2040 2040 * Stick Antenna for LoRa RF part x 1 2041 2041 * Bracket for controller x1 2042 2042 * Program cable x 1 1999 +))) 2000 +))) 2043 2043 2002 +((( 2003 +((( 2044 2044 **Dimension and weight**: 2005 +))) 2006 +))) 2045 2045 2008 +((( 2009 +((( 2046 2046 * Device Size: 13.5 x 7 x 3 cm 2047 2047 * Device Weight: 105g 2048 2048 * Package Size / pcs : 14.5 x 8 x 5 cm 2049 2049 * Weight / pcs : 170g 2050 2050 2015 + 2016 +))) 2017 +))) 2018 + 2019 +((( 2051 2051 = 9. Support = 2021 +))) 2052 2052 2053 2053 * ((( 2024 +((( 2054 2054 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. 2055 2055 ))) 2027 +))) 2056 2056 * ((( 2057 -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]] 2029 +((( 2030 +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 2058 2058 ))) 2032 +))) 2059 2059 2034 +((( 2035 +((( 2036 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2037 + 2038 + 2039 +))) 2040 + 2041 +((( 2060 2060 = 10. Reference = 2061 2061 2062 -* 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]] 2044 +* Product Page: 2045 + 2046 +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]] 2047 + 2063 2063 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2064 2064 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2065 2065 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2051 +))) 2052 +)))