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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... ... @@ -11,6 +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 ... ... @@ -167,7 +167,6 @@ 167 167 * Firmware upgradable via program port 168 168 * Counting 169 169 170 - 171 171 == 1.4 Applications == 172 172 173 173 * Smart Buildings & Home Automation ... ... @@ -177,7 +177,6 @@ 177 177 * Smart Cities 178 178 * Smart Factory 179 179 180 - 181 181 == 1.5 Hardware Variants == 182 182 183 183 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -191,7 +191,6 @@ 191 191 * 1 x Counting Port 192 192 ))) 193 193 194 - 195 195 = 2. Power ON Device = 196 196 197 197 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. ... ... @@ -203,6 +203,7 @@ 203 203 [[image:1653297104069-180.png]] 204 204 205 205 208 + 206 206 = 3. Operation Mode = 207 207 208 208 == 3.1 How it works? == ... ... @@ -217,6 +217,8 @@ 217 217 218 218 ))) 219 219 223 + 224 + 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"]] 259 259 260 260 266 + 261 261 == 3.3 Uplink Payload == 262 262 263 263 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -269,7 +269,6 @@ 269 269 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 270 270 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 271 271 272 - 273 273 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 274 274 275 275 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -290,6 +290,7 @@ 290 290 291 291 For example if payload is: [[image:image-20220523175847-2.png]] 292 292 298 + 293 293 **The value for the interface is: ** 294 294 295 295 AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V ... ... @@ -305,6 +305,7 @@ 305 305 * [1] RO1 relay channel is close and the RO1 LED is ON. 306 306 * [0] RO2 relay channel is open and RO2 LED is OFF; 307 307 314 + 308 308 **LT22222-L:** 309 309 310 310 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -321,8 +321,10 @@ 321 321 ** DO1 LED is off in both case 322 322 323 323 331 + 324 324 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 325 325 334 + 326 326 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 327 327 328 328 ((( ... ... @@ -331,6 +331,7 @@ 331 331 332 332 [[image:image-20220523180452-3.png]] 333 333 343 + 334 334 ((( 335 335 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 336 336 ))) ... ... @@ -346,6 +346,8 @@ 346 346 ))) 347 347 348 348 ((( 359 + 360 + 349 349 **To use counting mode, please run:** 350 350 ))) 351 351 ... ... @@ -364,6 +364,8 @@ 364 364 ))) 365 365 366 366 ((( 379 + 380 + 367 367 (% style="color:#4f81bd" %)**AT Commands for counting:** 368 368 ))) 369 369 ... ... @@ -414,6 +414,7 @@ 414 414 ))) 415 415 416 416 431 + 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. ... ... @@ -458,8 +458,10 @@ 458 458 459 459 ))) 460 460 476 + 461 461 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 462 462 479 + 463 463 **LT22222-L**: This mode the DI1 is used as a counting pin. 464 464 465 465 The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour. ... ... @@ -466,6 +466,7 @@ 466 466 467 467 [[image:image-20220523181903-8.png]] 468 468 486 + 469 469 ((( 470 470 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 471 471 ))) ... ... @@ -481,6 +481,8 @@ 481 481 ))) 482 482 483 483 ((( 502 + 503 + 484 484 **To use this mode, please run:** 485 485 ))) 486 486 ... ... @@ -507,6 +507,8 @@ 507 507 ))) 508 508 509 509 ((( 530 + 531 + 510 510 **Plus below command for AVI1 Counting:** 511 511 ))) 512 512 ... ... @@ -539,13 +539,17 @@ 539 539 ))) 540 540 541 541 564 + 542 542 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 543 543 567 + 544 544 **LT22222-L**: This mode the DI1 is used as a counting pin. 545 545 546 546 [[image:image-20220523182334-9.png]] 547 547 548 548 ((( 573 + 574 + 549 549 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 550 550 ))) 551 551 ... ... @@ -560,6 +560,8 @@ 560 560 ))) 561 561 562 562 ((( 589 + 590 + 563 563 **To use this mode, please run:** 564 564 ))) 565 565 ... ... @@ -579,12 +579,13 @@ 579 579 580 580 ((( 581 581 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 582 - 583 - 584 584 ))) 585 585 612 + 613 + 586 586 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 587 587 616 + 588 588 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 589 589 590 590 For example, if user has configured below commands: ... ... @@ -648,14 +648,17 @@ 648 648 649 649 Yy4 yy4: AC2 or AV2 high limit. 650 650 680 + 651 651 **Example1**: AA 00 13 88 00 00 00 00 00 00 652 652 653 653 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 654 654 685 + 655 655 **Example2**: AA 02 01 00 656 656 657 657 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 658 658 690 + 659 659 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 660 660 661 661 MOD6 Payload : total 11 bytes payload ... ... @@ -662,6 +662,7 @@ 662 662 663 663 [[image:image-20220524085923-1.png]] 664 664 697 + 665 665 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 666 666 667 667 [[image:image-20220524090106-2.png]] ... ... @@ -706,14 +706,19 @@ 706 706 When device got this command, it will send the MOD6 payload. 707 707 708 708 742 + 709 709 === 3.3.7 Payload Decoder === 710 710 711 711 ((( 746 + 747 + 712 712 **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]] 713 713 714 714 715 715 ))) 716 716 753 + 754 + 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: 728 728 767 + 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]] 732 732 733 733 773 + 734 734 === 3.4.2 Sensor related commands === 735 735 736 736 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -746,6 +746,7 @@ 746 746 747 747 **Example: **AT+TDC=30000. Means set interval to 30 seconds 748 748 789 + 749 749 * Downlink Payload (prefix 0x01): 750 750 751 751 (% class="box infomessage" %) ... ... @@ -754,6 +754,7 @@ 754 754 ))) 755 755 756 756 798 + 757 757 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 758 758 759 759 Set work mode. ... ... @@ -767,6 +767,7 @@ 767 767 768 768 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 769 769 812 + 770 770 * Downlink Payload (prefix 0x0A): 771 771 772 772 (% class="box infomessage" %) ... ... @@ -775,6 +775,7 @@ 775 775 ))) 776 776 777 777 821 + 778 778 ==== 3.4.2.3 Poll an uplink ==== 779 779 780 780 * AT Command: ... ... @@ -781,6 +781,7 @@ 781 781 782 782 There is no AT Command to poll uplink 783 783 828 + 784 784 * Downlink Payload (prefix 0x08): 785 785 786 786 (% class="box infomessage" %) ... ... @@ -791,6 +791,7 @@ 791 791 **Example**: 0x08FF, ask device to send an Uplink 792 792 793 793 839 + 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"]] ... ... @@ -806,6 +806,7 @@ 806 806 807 807 0: Disable Trigger Mode 808 808 855 + 809 809 * Downlink Payload (prefix 0x0A 06): 810 810 811 811 (% class="box infomessage" %) ... ... @@ -814,6 +814,7 @@ 814 814 ))) 815 815 816 816 864 + 817 817 ==== 3.4.2.5 Poll trigger settings ==== 818 818 819 819 Poll trigger settings, ... ... @@ -822,6 +822,7 @@ 822 822 823 823 There is no AT Command for this feature. 824 824 873 + 825 825 * Downlink Payload (prefix 0x AB 06): 826 826 827 827 (% class="box infomessage" %) ... ... @@ -830,6 +830,7 @@ 830 830 ))) 831 831 832 832 882 + 833 833 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 834 834 835 835 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -841,6 +841,7 @@ 841 841 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 842 842 ))) 843 843 894 + 844 844 **Example:** 845 845 846 846 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -853,6 +853,7 @@ 853 853 ))) 854 854 855 855 907 + 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. ... ... @@ -868,10 +868,12 @@ 868 868 869 869 b : delay timing. 870 870 923 + 871 871 **Example:** 872 872 873 873 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 874 874 928 + 875 875 * Downlink Payload (prefix 0x09 01 ): 876 876 877 877 (% class="box infomessage" %) ... ... @@ -880,6 +880,7 @@ 880 880 ))) 881 881 882 882 937 + 883 883 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 884 884 885 885 Set DI2 trigger. ... ... @@ -895,10 +895,12 @@ 895 895 896 896 b : delay timing. 897 897 953 + 898 898 **Example:** 899 899 900 900 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 901 901 958 + 902 902 * Downlink Payload (prefix 0x09 02 ): 903 903 904 904 (% class="box infomessage" %) ... ... @@ -907,6 +907,7 @@ 907 907 ))) 908 908 909 909 967 + 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"]] ... ... @@ -918,6 +918,7 @@ 918 918 **AT+ACLIM. ** 919 919 ))) 920 920 979 + 921 921 * Downlink Payload (prefix 0xAA 01 ): 922 922 923 923 (% class="box infomessage" %) ... ... @@ -926,6 +926,7 @@ 926 926 ))) 927 927 928 928 988 + 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"]] ... ... @@ -937,6 +937,7 @@ 937 937 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 938 938 ))) 939 939 1000 + 940 940 * Downlink Payload (prefix 0xAA 00 ): 941 941 942 942 (% class="box infomessage" %) ... ... @@ -945,6 +945,7 @@ 945 945 ))) 946 946 947 947 1009 + 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. ... ... @@ -956,6 +956,7 @@ 956 956 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 957 957 ))) 958 958 1021 + 959 959 * Downlink Payload (prefix 0xAC ): 960 960 961 961 (% class="box infomessage" %) ... ... @@ -964,6 +964,7 @@ 964 964 ))) 965 965 966 966 1030 + 967 967 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 968 968 969 969 * AT Command: ... ... @@ -970,6 +970,7 @@ 970 970 971 971 There is no AT Command to control Digital Output 972 972 1037 + 973 973 * Downlink Payload (prefix 0x02): 974 974 975 975 (% class="box infomessage" %) ... ... @@ -996,6 +996,7 @@ 996 996 ))) 997 997 998 998 1064 + 999 999 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1000 1000 1001 1001 * AT Command: ... ... @@ -1002,6 +1002,7 @@ 1002 1002 1003 1003 There is no AT Command to control Digital Output 1004 1004 1071 + 1005 1005 * Downlink Payload (prefix 0xA9): 1006 1006 1007 1007 (% class="box infomessage" %) ... ... @@ -1021,18 +1021,22 @@ 1021 1021 1022 1022 00: DO pins will change to an inverter state after timeout 1023 1023 1091 + 1024 1024 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1025 1025 1026 1026 [[image:image-20220524093238-6.png]] 1027 1027 1096 + 1028 1028 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1029 1029 1030 1030 [[image:image-20220524093328-7.png]] 1031 1031 1101 + 1032 1032 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1033 1033 1034 1034 [[image:image-20220524093351-8.png]] 1035 1035 1106 + 1036 1036 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1037 1037 1038 1038 Latching time. Unit: ms ... ... @@ -1039,6 +1039,7 @@ 1039 1039 1040 1040 Device will upload a packet if downlink code executes successfully. 1041 1041 1113 + 1042 1042 **Example payload:** 1043 1043 1044 1044 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1058,12 +1058,14 @@ 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 1061 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1062 1062 1134 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1135 + 1063 1063 * AT Command: 1064 1064 1065 1065 There is no AT Command to control Relay Output 1066 1066 1140 + 1067 1067 * Downlink Payload (prefix 0x03): 1068 1068 1069 1069 (% class="box infomessage" %) ... ... @@ -1086,6 +1086,7 @@ 1086 1086 Device will upload a packet if downlink code executes successfully. 1087 1087 1088 1088 1163 + 1089 1089 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1090 1090 1091 1091 * AT Command: ... ... @@ -1092,6 +1092,7 @@ 1092 1092 1093 1093 There is no AT Command to control Relay Output 1094 1094 1170 + 1095 1095 * Downlink Payload (prefix 0x05): 1096 1096 1097 1097 (% class="box infomessage" %) ... ... @@ -1109,14 +1109,17 @@ 1109 1109 1110 1110 00: Relays will change to an inverter state after timeout 1111 1111 1188 + 1112 1112 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1113 1113 1114 1114 [[image:image-20220524093831-10.png]] 1115 1115 1193 + 1116 1116 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1117 1117 1118 1118 Device will upload a packet if downlink code executes successfully. 1119 1119 1198 + 1120 1120 **Example payload:** 1121 1121 1122 1122 **~1. 05 01 11 07 D0** ... ... @@ -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 1218 + 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"]] ... ... @@ -1147,6 +1147,7 @@ 1147 1147 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1148 1148 ))) 1149 1149 1230 + 1150 1150 * Downlink Payload (prefix 0xA5): 1151 1151 1152 1152 (% class="box infomessage" %) ... ... @@ -1155,6 +1155,7 @@ 1155 1155 ))) 1156 1156 1157 1157 1239 + 1158 1158 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1159 1159 1160 1160 * AT Command: ... ... @@ -1172,6 +1172,7 @@ 1172 1172 1173 1173 Bb cc dd ee: number to be set 1174 1174 1257 + 1175 1175 * Downlink Payload (prefix 0xA8): 1176 1176 1177 1177 (% class="box infomessage" %) ... ... @@ -1180,6 +1180,7 @@ 1180 1180 ))) 1181 1181 1182 1182 1266 + 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 1286 + 1202 1202 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1203 1203 1204 1204 * AT Command: ... ... @@ -1221,16 +1221,17 @@ 1221 1221 1222 1222 ))) 1223 1223 1309 + 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: 1227 1227 1228 1228 ((( 1229 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1315 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1230 1230 ))) 1231 1231 1232 1232 ((( 1233 -**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: 1319 +(% 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: 1234 1234 ))) 1235 1235 1236 1236 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1237,12 +1237,13 @@ 1237 1237 1238 1238 [[image:image-20220524094641-11.png||height="390" width="723"]] 1239 1239 1326 + 1240 1240 [[image:image-20220524094641-12.png||height="402" width="718"]] 1241 1241 1242 1242 1243 -**Step 3**: Create an account or log in Mydevices. 1330 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. 1244 1244 1245 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1332 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1246 1246 1247 1247 Search under The things network 1248 1248 ... ... @@ -1249,19 +1249,25 @@ 1249 1249 [[image:1653356838789-523.png||height="337" width="740"]] 1250 1250 1251 1251 1339 + 1252 1252 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1253 1253 1254 1254 [[image:image-20220524094909-1.png||height="335" width="729"]] 1255 1255 1344 + 1256 1256 [[image:image-20220524094909-2.png||height="337" width="729"]] 1257 1257 1347 + 1258 1258 [[image:image-20220524094909-3.png||height="338" width="727"]] 1259 1259 1350 + 1260 1260 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1261 1261 1353 + 1262 1262 [[image:image-20220524094909-5.png||height="341" width="734"]] 1263 1263 1264 1264 1357 + 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 1367 + 1274 1274 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1275 1275 1276 1276 ((( ... ... @@ -1296,7 +1296,7 @@ 1296 1296 ))) 1297 1297 1298 1298 ((( 1299 -**Example1**: Connect to a Low active sensor. 1393 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1300 1300 ))) 1301 1301 1302 1302 ((( ... ... @@ -1327,7 +1327,7 @@ 1327 1327 ))) 1328 1328 1329 1329 ((( 1330 -**Example2**: Connect to a High active sensor. 1424 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1331 1331 ))) 1332 1332 1333 1333 ((( ... ... @@ -1358,7 +1358,7 @@ 1358 1358 ))) 1359 1359 1360 1360 ((( 1361 -**Example3**: Connect to a 220v high active sensor. 1455 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1362 1362 ))) 1363 1363 1364 1364 ((( ... ... @@ -1385,6 +1385,7 @@ 1385 1385 ))) 1386 1386 1387 1387 1482 + 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. ... ... @@ -1392,12 +1392,14 @@ 1392 1392 [[image:1653357531600-905.png]] 1393 1393 1394 1394 1490 + 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: 1398 1398 1399 -**AC2 = (IN2 voltage )/12** 1400 1400 1496 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1497 + 1401 1401 [[image:1653357592296-182.png]] 1402 1402 1403 1403 Example to connect a 4~~20mA sensor ... ... @@ -1404,22 +1404,24 @@ 1404 1404 1405 1405 We take the wind speed sensor as an example for reference only. 1406 1406 1407 -Specifications of the wind speed sensor: 1408 1408 1409 - Red:12~~24v1505 +**Specifications of the wind speed sensor:** 1410 1410 1411 - Yellow:4~~20mA1507 +Red: 12~~24v 1412 1412 1413 - Black:GND1509 +Yellow: 4~~20mA 1414 1414 1511 +Black: GND 1415 1415 1416 -Connection diagram: 1417 1417 1514 +**Connection diagram:** 1515 + 1418 1418 [[image:1653357640609-758.png]] 1419 1419 1420 1420 [[image:1653357648330-671.png||height="155" width="733"]] 1421 1421 1422 1422 1521 + 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 1533 + 1434 1434 == 3.7 LEDs Indicators == 1435 1435 1436 1436 [[image:image-20220524100748-11.png]] ... ... @@ -1444,6 +1444,7 @@ 1444 1444 1445 1445 [[image:1653358238933-385.png]] 1446 1446 1547 + 1447 1447 ((( 1448 1448 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: 1449 1449 ))) ... ... @@ -1450,6 +1450,7 @@ 1450 1450 1451 1451 [[image:1653358355238-883.png]] 1452 1452 1554 + 1453 1453 ((( 1454 1454 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/]] 1455 1455 ))) ... ... @@ -1640,12 +1640,16 @@ 1640 1640 1641 1641 ))) 1642 1642 1745 + 1746 + 1643 1643 == 4.2 Common AT Command Sequence == 1644 1644 1645 1645 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1646 1646 1647 1647 ((( 1648 -If device has not joined network yet: 1752 + 1753 + 1754 +**If device has not joined network yet:** 1649 1649 ))) 1650 1650 1651 1651 ((( ... ... @@ -1670,7 +1670,7 @@ 1670 1670 1671 1671 1672 1672 ((( 1673 -If device already joined network: 1779 +**If device already joined network:** 1674 1674 ))) 1675 1675 1676 1676 ((( ... ... @@ -1683,10 +1683,14 @@ 1683 1683 1684 1684 ))) 1685 1685 1792 + 1793 + 1686 1686 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1687 1687 1688 1688 ((( 1689 -(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1797 + 1798 + 1799 +(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1690 1690 ))) 1691 1691 1692 1692 ((( ... ... @@ -1694,7 +1694,7 @@ 1694 1694 ))) 1695 1695 1696 1696 ((( 1697 -(% style="background-color:#dcdcdc" %) 123456(%%) 1807 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1698 1698 ))) 1699 1699 1700 1700 ((( ... ... @@ -1702,39 +1702,41 @@ 1702 1702 ))) 1703 1703 1704 1704 ((( 1705 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1815 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1706 1706 ))) 1707 1707 1708 1708 ((( 1709 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1819 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1710 1710 ))) 1711 1711 1712 1712 ((( 1713 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1823 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1714 1714 ))) 1715 1715 1716 1716 ((( 1717 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1827 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1718 1718 ))) 1719 1719 1720 1720 ((( 1721 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1831 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1722 1722 ))) 1723 1723 1724 1724 ((( 1725 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1835 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1726 1726 ))) 1727 1727 1728 1728 ((( 1729 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1839 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1730 1730 ))) 1731 1731 1732 1732 ((( 1733 -(% 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. 1843 +(% 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. 1734 1734 ))) 1735 1735 1736 1736 ((( 1737 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1847 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1848 + 1849 + 1738 1738 ))) 1739 1739 1740 1740 ((( ... ... @@ -1756,6 +1756,7 @@ 1756 1756 1757 1757 ))) 1758 1758 1871 + 1759 1759 === 4.2.3 Change to Class A === 1760 1760 1761 1761 If sensor JOINED ... ... @@ -1767,19 +1767,25 @@ 1767 1767 1768 1768 == 5.1 How to upgrade the image? == 1769 1769 1883 + 1770 1770 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1771 1771 1772 1772 * Support new features 1773 1773 * For bug fix 1774 1774 * Change LoRaWAN bands. 1889 + 1775 1775 Below shows the hardware connection for how to upload an image to the LT: 1776 -* [[image:1653359603330-121.png]] 1777 1777 1892 +[[image:1653359603330-121.png]] 1893 + 1894 + 1778 1778 ((( 1779 -**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]]. 1780 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1781 -**Step3: **Open flashloader; choose the correct COM port to update. 1782 -**For LT-22222-L**: 1896 +(% 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]]. 1897 +(% 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/]]. 1898 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1899 + 1900 + 1901 +(% style="color:blue" %)**For LT-22222-L**(%%): 1783 1783 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. 1784 1784 ))) 1785 1785 ... ... @@ -1789,6 +1789,7 @@ 1789 1789 1790 1790 [[image:image-20220524104033-15.png]] 1791 1791 1911 + 1792 1792 (% 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: 1793 1793 1794 1794 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1796,6 +1796,8 @@ 1796 1796 1797 1797 ((( 1798 1798 ((( 1919 + 1920 + 1799 1799 == 5.2 How to change the LoRa Frequency Bands/Region? == 1800 1800 ))) 1801 1801 ))) ... ... @@ -1802,11 +1802,11 @@ 1802 1802 1803 1803 ((( 1804 1804 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1805 - 1806 - 1807 1807 ))) 1808 1808 1809 1809 ((( 1930 + 1931 + 1810 1810 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1811 1811 ))) 1812 1812 ... ... @@ -1819,6 +1819,8 @@ 1819 1819 ((( 1820 1820 ((( 1821 1821 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1944 + 1945 + 1822 1822 ))) 1823 1823 ))) 1824 1824 ... ... @@ -1834,23 +1834,25 @@ 1834 1834 (% 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. 1835 1835 ))) 1836 1836 1961 + 1837 1837 ((( 1838 1838 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1839 1839 ))) 1840 1840 1841 1841 ((( 1842 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1843 -(% style="background-color:#dcdcdc" %)AT+FDR 1844 -(% style="background-color:#dcdcdc" %)123456 1845 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1846 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1847 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1848 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 1849 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 1850 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1851 -(% style="background-color:#dcdcdc" %)ATZ 1967 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1968 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1969 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1970 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 1971 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 1972 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1973 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1974 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1975 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1976 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1852 1852 ))) 1853 1853 1979 + 1854 1854 ((( 1855 1855 As shown in below: 1856 1856 ))) ... ... @@ -1863,10 +1863,15 @@ 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 1866 - 1992 + 1993 +== 5.5 Can i use point to point communication for LT-22222-L? == 1994 + 1995 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1867 1867 ))) 1868 1868 1869 1869 ((( 1999 + 2000 + 1870 1870 = 6. Trouble Shooting = 1871 1871 ))) 1872 1872 ... ... @@ -1878,11 +1878,11 @@ 1878 1878 1879 1879 ((( 1880 1880 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1881 - 1882 - 1883 1883 ))) 1884 1884 1885 1885 ((( 2015 + 2016 + 1886 1886 == 6.2 Have trouble to upload image. == 1887 1887 ))) 1888 1888 ... ... @@ -1892,9 +1892,7 @@ 1892 1892 1893 1893 ((( 1894 1894 1895 -))) 1896 1896 1897 -((( 1898 1898 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1899 1899 ))) 1900 1900 ... ... @@ -1902,147 +1902,55 @@ 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 - (((2035 + 1910 1910 = 7. Order Info = 1911 -))) 1912 1912 1913 -((( 1914 -((( 2038 + 1915 1915 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1916 -))) 1917 -))) 1918 1918 1919 -((( 1920 -((( 2041 + 1921 1921 (% style="color:#4f81bd" %)**XXX:** 1922 -))) 1923 -))) 1924 1924 1925 -((( 1926 -* ((( 1927 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1928 -))) 1929 -))) 2044 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2045 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2046 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2047 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2048 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2049 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2050 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2051 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2052 +* (% 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 - 1937 -((( 1938 -* ((( 1939 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1940 -))) 1941 -))) 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 -((( 2056 + 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 -((( 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 - 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 2077 +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 - 2034 - 2035 -))) 2036 - 2037 -((( 2038 2038 = 10. Reference = 2039 2039 2040 -* Product Page: 2041 - 2042 -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]] 2043 - 2082 +* 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 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 -)))