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 ... ... @@ -167,8 +167,6 @@ 167 167 * Firmware upgradable via program port 168 168 * Counting 169 169 170 - 171 - 172 172 == 1.4 Applications == 173 173 174 174 * Smart Buildings & Home Automation ... ... @@ -178,8 +178,6 @@ 178 178 * Smart Cities 179 179 * Smart Factory 180 180 181 - 182 - 183 183 == 1.5 Hardware Variants == 184 184 185 185 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -193,8 +193,6 @@ 193 193 * 1 x Counting Port 194 194 ))) 195 195 196 - 197 - 198 198 = 2. Power ON Device = 199 199 200 200 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. ... ... @@ -206,6 +206,7 @@ 206 206 [[image:1653297104069-180.png]] 207 207 208 208 208 + 209 209 = 3. Operation Mode = 210 210 211 211 == 3.1 How it works? == ... ... @@ -220,6 +220,8 @@ 220 220 221 221 ))) 222 222 223 + 224 + 223 223 == 3.2 Example to join LoRaWAN network == 224 224 225 225 ((( ... ... @@ -261,6 +261,7 @@ 261 261 [[image:1653298044601-602.png||height="405" width="709"]] 262 262 263 263 266 + 264 264 == 3.3 Uplink Payload == 265 265 266 266 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -272,8 +272,6 @@ 272 272 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 273 273 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 274 274 275 - 276 - 277 277 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 278 278 279 279 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -309,6 +309,7 @@ 309 309 * [1] RO1 relay channel is close and the RO1 LED is ON. 310 310 * [0] RO2 relay channel is open and RO2 LED is OFF; 311 311 313 + 312 312 **LT22222-L:** 313 313 314 314 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -325,9 +325,9 @@ 325 325 ** DO1 LED is off in both case 326 326 327 327 328 - 329 329 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 330 330 332 + 331 331 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 332 332 333 333 ((( ... ... @@ -336,6 +336,7 @@ 336 336 337 337 [[image:image-20220523180452-3.png]] 338 338 341 + 339 339 ((( 340 340 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 341 341 ))) ... ... @@ -351,6 +351,8 @@ 351 351 ))) 352 352 353 353 ((( 357 + 358 + 354 354 **To use counting mode, please run:** 355 355 ))) 356 356 ... ... @@ -369,6 +369,8 @@ 369 369 ))) 370 370 371 371 ((( 377 + 378 + 372 372 (% style="color:#4f81bd" %)**AT Commands for counting:** 373 373 ))) 374 374 ... ... @@ -419,6 +419,7 @@ 419 419 ))) 420 420 421 421 429 + 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 +463,10 @@ 463 463 464 464 ))) 465 465 474 + 466 466 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 467 467 477 + 468 468 **LT22222-L**: This mode the DI1 is used as a counting pin. 469 469 470 470 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. ... ... @@ -471,6 +471,7 @@ 471 471 472 472 [[image:image-20220523181903-8.png]] 473 473 484 + 474 474 ((( 475 475 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 476 476 ))) ... ... @@ -486,6 +486,8 @@ 486 486 ))) 487 487 488 488 ((( 500 + 501 + 489 489 **To use this mode, please run:** 490 490 ))) 491 491 ... ... @@ -512,6 +512,8 @@ 512 512 ))) 513 513 514 514 ((( 528 + 529 + 515 515 **Plus below command for AVI1 Counting:** 516 516 ))) 517 517 ... ... @@ -544,13 +544,17 @@ 544 544 ))) 545 545 546 546 562 + 547 547 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 548 548 565 + 549 549 **LT22222-L**: This mode the DI1 is used as a counting pin. 550 550 551 551 [[image:image-20220523182334-9.png]] 552 552 553 553 ((( 571 + 572 + 554 554 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 555 555 ))) 556 556 ... ... @@ -565,6 +565,8 @@ 565 565 ))) 566 566 567 567 ((( 587 + 588 + 568 568 **To use this mode, please run:** 569 569 ))) 570 570 ... ... @@ -584,12 +584,13 @@ 584 584 585 585 ((( 586 586 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 587 - 588 - 589 589 ))) 590 590 610 + 611 + 591 591 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 592 592 614 + 593 593 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 594 594 595 595 For example, if user has configured below commands: ... ... @@ -653,14 +653,17 @@ 653 653 654 654 Yy4 yy4: AC2 or AV2 high limit. 655 655 678 + 656 656 **Example1**: AA 00 13 88 00 00 00 00 00 00 657 657 658 658 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 659 659 683 + 660 660 **Example2**: AA 02 01 00 661 661 662 662 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 663 663 688 + 664 664 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 665 665 666 666 MOD6 Payload : total 11 bytes payload ... ... @@ -667,6 +667,7 @@ 667 667 668 668 [[image:image-20220524085923-1.png]] 669 669 695 + 670 670 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 671 671 672 672 [[image:image-20220524090106-2.png]] ... ... @@ -711,14 +711,19 @@ 711 711 When device got this command, it will send the MOD6 payload. 712 712 713 713 740 + 714 714 === 3.3.7 Payload Decoder === 715 715 716 716 ((( 744 + 745 + 717 717 **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/]] 718 718 719 719 720 720 ))) 721 721 751 + 752 + 722 722 == 3.4 Configure LT via AT or Downlink == 723 723 724 724 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -731,11 +731,13 @@ 731 731 732 732 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 733 733 765 + 734 734 === 3.4.1 Common Commands === 735 735 736 736 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]] 737 737 738 738 771 + 739 739 === 3.4.2 Sensor related commands === 740 740 741 741 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -751,6 +751,7 @@ 751 751 752 752 **Example: **AT+TDC=30000. Means set interval to 30 seconds 753 753 787 + 754 754 * Downlink Payload (prefix 0x01): 755 755 756 756 (% class="box infomessage" %) ... ... @@ -759,6 +759,7 @@ 759 759 ))) 760 760 761 761 796 + 762 762 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 763 763 764 764 Set work mode. ... ... @@ -772,6 +772,7 @@ 772 772 773 773 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 774 774 810 + 775 775 * Downlink Payload (prefix 0x0A): 776 776 777 777 (% class="box infomessage" %) ... ... @@ -780,6 +780,7 @@ 780 780 ))) 781 781 782 782 819 + 783 783 ==== 3.4.2.3 Poll an uplink ==== 784 784 785 785 * AT Command: ... ... @@ -786,6 +786,7 @@ 786 786 787 787 There is no AT Command to poll uplink 788 788 826 + 789 789 * Downlink Payload (prefix 0x08): 790 790 791 791 (% class="box infomessage" %) ... ... @@ -796,6 +796,7 @@ 796 796 **Example**: 0x08FF, ask device to send an Uplink 797 797 798 798 837 + 799 799 ==== 3.4.2.4 Enable Trigger Mode ==== 800 800 801 801 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -811,6 +811,7 @@ 811 811 812 812 0: Disable Trigger Mode 813 813 853 + 814 814 * Downlink Payload (prefix 0x0A 06): 815 815 816 816 (% class="box infomessage" %) ... ... @@ -819,6 +819,7 @@ 819 819 ))) 820 820 821 821 862 + 822 822 ==== 3.4.2.5 Poll trigger settings ==== 823 823 824 824 Poll trigger settings, ... ... @@ -827,6 +827,7 @@ 827 827 828 828 There is no AT Command for this feature. 829 829 871 + 830 830 * Downlink Payload (prefix 0x AB 06): 831 831 832 832 (% class="box infomessage" %) ... ... @@ -835,6 +835,7 @@ 835 835 ))) 836 836 837 837 880 + 838 838 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 839 839 840 840 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -846,6 +846,7 @@ 846 846 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 847 847 ))) 848 848 892 + 849 849 **Example:** 850 850 851 851 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -858,6 +858,7 @@ 858 858 ))) 859 859 860 860 905 + 861 861 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 862 862 863 863 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -873,10 +873,12 @@ 873 873 874 874 b : delay timing. 875 875 921 + 876 876 **Example:** 877 877 878 878 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 879 879 926 + 880 880 * Downlink Payload (prefix 0x09 01 ): 881 881 882 882 (% class="box infomessage" %) ... ... @@ -885,6 +885,7 @@ 885 885 ))) 886 886 887 887 935 + 888 888 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 889 889 890 890 Set DI2 trigger. ... ... @@ -900,10 +900,12 @@ 900 900 901 901 b : delay timing. 902 902 951 + 903 903 **Example:** 904 904 905 905 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 906 906 956 + 907 907 * Downlink Payload (prefix 0x09 02 ): 908 908 909 909 (% class="box infomessage" %) ... ... @@ -912,6 +912,7 @@ 912 912 ))) 913 913 914 914 965 + 915 915 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 916 916 917 917 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -923,6 +923,7 @@ 923 923 **AT+ACLIM. ** 924 924 ))) 925 925 977 + 926 926 * Downlink Payload (prefix 0xAA 01 ): 927 927 928 928 (% class="box infomessage" %) ... ... @@ -931,6 +931,7 @@ 931 931 ))) 932 932 933 933 986 + 934 934 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 935 935 936 936 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -942,6 +942,7 @@ 942 942 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 943 943 ))) 944 944 998 + 945 945 * Downlink Payload (prefix 0xAA 00 ): 946 946 947 947 (% class="box infomessage" %) ... ... @@ -950,6 +950,7 @@ 950 950 ))) 951 951 952 952 1007 + 953 953 ==== 3.4.2.11 Trigger – Set minimum interval ==== 954 954 955 955 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -961,6 +961,7 @@ 961 961 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 962 962 ))) 963 963 1019 + 964 964 * Downlink Payload (prefix 0xAC ): 965 965 966 966 (% class="box infomessage" %) ... ... @@ -969,6 +969,7 @@ 969 969 ))) 970 970 971 971 1028 + 972 972 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 973 973 974 974 * AT Command: ... ... @@ -975,6 +975,7 @@ 975 975 976 976 There is no AT Command to control Digital Output 977 977 1035 + 978 978 * Downlink Payload (prefix 0x02): 979 979 980 980 (% class="box infomessage" %) ... ... @@ -1001,6 +1001,7 @@ 1001 1001 ))) 1002 1002 1003 1003 1062 + 1004 1004 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1005 1005 1006 1006 * AT Command: ... ... @@ -1007,6 +1007,7 @@ 1007 1007 1008 1008 There is no AT Command to control Digital Output 1009 1009 1069 + 1010 1010 * Downlink Payload (prefix 0xA9): 1011 1011 1012 1012 (% class="box infomessage" %) ... ... @@ -1026,18 +1026,22 @@ 1026 1026 1027 1027 00: DO pins will change to an inverter state after timeout 1028 1028 1089 + 1029 1029 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1030 1030 1031 1031 [[image:image-20220524093238-6.png]] 1032 1032 1094 + 1033 1033 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1034 1034 1035 1035 [[image:image-20220524093328-7.png]] 1036 1036 1099 + 1037 1037 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1038 1038 1039 1039 [[image:image-20220524093351-8.png]] 1040 1040 1104 + 1041 1041 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1042 1042 1043 1043 Latching time. Unit: ms ... ... @@ -1044,6 +1044,7 @@ 1044 1044 1045 1045 Device will upload a packet if downlink code executes successfully. 1046 1046 1111 + 1047 1047 **Example payload:** 1048 1048 1049 1049 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1063,12 +1063,14 @@ 1063 1063 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 1064 1064 1065 1065 1066 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1067 1067 1132 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1133 + 1068 1068 * AT Command: 1069 1069 1070 1070 There is no AT Command to control Relay Output 1071 1071 1138 + 1072 1072 * Downlink Payload (prefix 0x03): 1073 1073 1074 1074 (% class="box infomessage" %) ... ... @@ -1091,6 +1091,7 @@ 1091 1091 Device will upload a packet if downlink code executes successfully. 1092 1092 1093 1093 1161 + 1094 1094 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1095 1095 1096 1096 * AT Command: ... ... @@ -1097,6 +1097,7 @@ 1097 1097 1098 1098 There is no AT Command to control Relay Output 1099 1099 1168 + 1100 1100 * Downlink Payload (prefix 0x05): 1101 1101 1102 1102 (% class="box infomessage" %) ... ... @@ -1114,14 +1114,17 @@ 1114 1114 1115 1115 00: Relays will change to an inverter state after timeout 1116 1116 1186 + 1117 1117 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1118 1118 1119 1119 [[image:image-20220524093831-10.png]] 1120 1120 1191 + 1121 1121 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1122 1122 1123 1123 Device will upload a packet if downlink code executes successfully. 1124 1124 1196 + 1125 1125 **Example payload:** 1126 1126 1127 1127 **~1. 05 01 11 07 D0** ... ... @@ -1141,6 +1141,7 @@ 1141 1141 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1142 1142 1143 1143 1216 + 1144 1144 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1145 1145 1146 1146 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1149,9 +1149,10 @@ 1149 1149 1150 1150 (% class="box infomessage" %) 1151 1151 ((( 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]]**1225 +**AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1153 1153 ))) 1154 1154 1228 + 1155 1155 * Downlink Payload (prefix 0xA5): 1156 1156 1157 1157 (% class="box infomessage" %) ... ... @@ -1160,6 +1160,7 @@ 1160 1160 ))) 1161 1161 1162 1162 1237 + 1163 1163 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1164 1164 1165 1165 * AT Command: ... ... @@ -1177,6 +1177,7 @@ 1177 1177 1178 1178 Bb cc dd ee: number to be set 1179 1179 1255 + 1180 1180 * Downlink Payload (prefix 0xA8): 1181 1181 1182 1182 (% class="box infomessage" %) ... ... @@ -1185,6 +1185,7 @@ 1185 1185 ))) 1186 1186 1187 1187 1264 + 1188 1188 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1189 1189 1190 1190 Clear counting for counting mode ... ... @@ -1204,6 +1204,7 @@ 1204 1204 ))) 1205 1205 1206 1206 1284 + 1207 1207 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1208 1208 1209 1209 * AT Command: ... ... @@ -1226,16 +1226,17 @@ 1226 1226 1227 1227 ))) 1228 1228 1307 + 1229 1229 == 3.5 Integrate with Mydevice == 1230 1230 1231 1231 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: 1232 1232 1233 1233 ((( 1234 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1313 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1235 1235 ))) 1236 1236 1237 1237 ((( 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: 1317 +(% 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: 1239 1239 ))) 1240 1240 1241 1241 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1242,30 +1242,38 @@ 1242 1242 1243 1243 [[image:image-20220524094641-11.png||height="390" width="723"]] 1244 1244 1324 + 1245 1245 [[image:image-20220524094641-12.png||height="402" width="718"]] 1246 1246 1247 -**Step 3**: Create an account or log in Mydevices. 1248 1248 1249 -**Step 4**:SearchLT-22222-L(forbothLT-22222-L / LT-33222-L) andadd DevEUI.(% style="display:none" %)1328 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. 1250 1250 1330 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1331 + 1251 1251 Search under The things network 1252 1252 1253 1253 [[image:1653356838789-523.png||height="337" width="740"]] 1254 1254 1255 1255 1337 + 1256 1256 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1257 1257 1258 1258 [[image:image-20220524094909-1.png||height="335" width="729"]] 1259 1259 1342 + 1260 1260 [[image:image-20220524094909-2.png||height="337" width="729"]] 1261 1261 1345 + 1262 1262 [[image:image-20220524094909-3.png||height="338" width="727"]] 1263 1263 1348 + 1264 1264 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1265 1265 1351 + 1266 1266 [[image:image-20220524094909-5.png||height="341" width="734"]] 1267 1267 1268 1268 1355 + 1269 1269 == 3.6 Interface Detail == 1270 1270 1271 1271 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1275,6 +1275,7 @@ 1275 1275 [[image:1653356991268-289.png]] 1276 1276 1277 1277 1365 + 1278 1278 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1279 1279 1280 1280 ((( ... ... @@ -1300,7 +1300,7 @@ 1300 1300 ))) 1301 1301 1302 1302 ((( 1303 -**Example1**: Connect to a Low active sensor. 1391 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1304 1304 ))) 1305 1305 1306 1306 ((( ... ... @@ -1331,7 +1331,7 @@ 1331 1331 ))) 1332 1332 1333 1333 ((( 1334 -**Example2**: Connect to a High active sensor. 1422 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1335 1335 ))) 1336 1336 1337 1337 ((( ... ... @@ -1362,7 +1362,7 @@ 1362 1362 ))) 1363 1363 1364 1364 ((( 1365 -**Example3**: Connect to a 220v high active sensor. 1453 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1366 1366 ))) 1367 1367 1368 1368 ((( ... ... @@ -1389,6 +1389,7 @@ 1389 1389 ))) 1390 1390 1391 1391 1480 + 1392 1392 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1393 1393 1394 1394 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1396,12 +1396,14 @@ 1396 1396 [[image:1653357531600-905.png]] 1397 1397 1398 1398 1488 + 1399 1399 === 3.6.4 Analog Input Interface === 1400 1400 1401 1401 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: 1402 1402 1403 -**AC2 = (IN2 voltage )/12** 1404 1404 1494 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1495 + 1405 1405 [[image:1653357592296-182.png]] 1406 1406 1407 1407 Example to connect a 4~~20mA sensor ... ... @@ -1408,22 +1408,24 @@ 1408 1408 1409 1409 We take the wind speed sensor as an example for reference only. 1410 1410 1411 -Specifications of the wind speed sensor: 1412 1412 1413 - Red:12~~24v1503 +**Specifications of the wind speed sensor:** 1414 1414 1415 - Yellow:4~~20mA1505 +Red: 12~~24v 1416 1416 1417 - Black:GND1507 +Yellow: 4~~20mA 1418 1418 1509 +Black: GND 1419 1419 1420 -Connection diagram: 1421 1421 1512 +**Connection diagram:** 1513 + 1422 1422 [[image:1653357640609-758.png]] 1423 1423 1424 1424 [[image:1653357648330-671.png||height="155" width="733"]] 1425 1425 1426 1426 1519 + 1427 1427 === 3.6.5 Relay Output === 1428 1428 1429 1429 ((( ... ... @@ -1435,6 +1435,7 @@ 1435 1435 [[image:image-20220524100215-10.png||height="382" width="723"]] 1436 1436 1437 1437 1531 + 1438 1438 == 3.7 LEDs Indicators == 1439 1439 1440 1440 [[image:image-20220524100748-11.png]] ... ... @@ -1448,6 +1448,7 @@ 1448 1448 1449 1449 [[image:1653358238933-385.png]] 1450 1450 1545 + 1451 1451 ((( 1452 1452 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: 1453 1453 ))) ... ... @@ -1454,6 +1454,7 @@ 1454 1454 1455 1455 [[image:1653358355238-883.png]] 1456 1456 1552 + 1457 1457 ((( 1458 1458 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/]] 1459 1459 ))) ... ... @@ -1644,12 +1644,16 @@ 1644 1644 1645 1645 ))) 1646 1646 1743 + 1744 + 1647 1647 == 4.2 Common AT Command Sequence == 1648 1648 1649 1649 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1650 1650 1651 1651 ((( 1652 -If device has not joined network yet: 1750 + 1751 + 1752 +**If device has not joined network yet:** 1653 1653 ))) 1654 1654 1655 1655 ((( ... ... @@ -1674,7 +1674,7 @@ 1674 1674 1675 1675 1676 1676 ((( 1677 -If device already joined network: 1777 +**If device already joined network:** 1678 1678 ))) 1679 1679 1680 1680 ((( ... ... @@ -1687,10 +1687,14 @@ 1687 1687 1688 1688 ))) 1689 1689 1790 + 1791 + 1690 1690 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1691 1691 1692 1692 ((( 1693 -(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1795 + 1796 + 1797 +(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1694 1694 ))) 1695 1695 1696 1696 ((( ... ... @@ -1698,7 +1698,7 @@ 1698 1698 ))) 1699 1699 1700 1700 ((( 1701 -(% style="background-color:#dcdcdc" %) 123456(%%) 1805 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1702 1702 ))) 1703 1703 1704 1704 ((( ... ... @@ -1706,39 +1706,41 @@ 1706 1706 ))) 1707 1707 1708 1708 ((( 1709 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1813 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1710 1710 ))) 1711 1711 1712 1712 ((( 1713 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1817 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1714 1714 ))) 1715 1715 1716 1716 ((( 1717 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1821 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1718 1718 ))) 1719 1719 1720 1720 ((( 1721 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1825 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1722 1722 ))) 1723 1723 1724 1724 ((( 1725 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1829 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1726 1726 ))) 1727 1727 1728 1728 ((( 1729 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1833 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1730 1730 ))) 1731 1731 1732 1732 ((( 1733 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1837 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1734 1734 ))) 1735 1735 1736 1736 ((( 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. 1841 +(% 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. 1738 1738 ))) 1739 1739 1740 1740 ((( 1741 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1845 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1846 + 1847 + 1742 1742 ))) 1743 1743 1744 1744 ((( ... ... @@ -1760,6 +1760,7 @@ 1760 1760 1761 1761 ))) 1762 1762 1869 + 1763 1763 === 4.2.3 Change to Class A === 1764 1764 1765 1765 If sensor JOINED ... ... @@ -1771,19 +1771,25 @@ 1771 1771 1772 1772 == 5.1 How to upgrade the image? == 1773 1773 1881 + 1774 1774 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1775 1775 1776 1776 * Support new features 1777 1777 * For bug fix 1778 1778 * Change LoRaWAN bands. 1887 + 1779 1779 Below shows the hardware connection for how to upload an image to the LT: 1780 -* [[image:1653359603330-121.png]] 1781 1781 1890 +[[image:1653359603330-121.png]] 1891 + 1892 + 1782 1782 ((( 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**: 1894 +(% 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]]. 1895 +(% 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/]]. 1896 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1897 + 1898 + 1899 +(% style="color:blue" %)**For LT-22222-L**(%%): 1787 1787 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. 1788 1788 ))) 1789 1789 ... ... @@ -1793,6 +1793,7 @@ 1793 1793 1794 1794 [[image:image-20220524104033-15.png]] 1795 1795 1909 + 1796 1796 (% 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: 1797 1797 1798 1798 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1800,6 +1800,8 @@ 1800 1800 1801 1801 ((( 1802 1802 ((( 1917 + 1918 + 1803 1803 == 5.2 How to change the LoRa Frequency Bands/Region? == 1804 1804 ))) 1805 1805 ))) ... ... @@ -1806,11 +1806,11 @@ 1806 1806 1807 1807 ((( 1808 1808 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1809 - 1810 - 1811 1811 ))) 1812 1812 1813 1813 ((( 1928 + 1929 + 1814 1814 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1815 1815 ))) 1816 1816 ... ... @@ -1823,6 +1823,8 @@ 1823 1823 ((( 1824 1824 ((( 1825 1825 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1942 + 1943 + 1826 1826 ))) 1827 1827 ))) 1828 1828 ... ... @@ -1838,23 +1838,25 @@ 1838 1838 (% 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. 1839 1839 ))) 1840 1840 1959 + 1841 1841 ((( 1842 1842 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1843 1843 ))) 1844 1844 1845 1845 ((( 1846 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1847 -(% style="background-color:#dcdcdc" %)AT+FDR 1848 -(% style="background-color:#dcdcdc" %)123456 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 1853 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 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 1965 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1966 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1967 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1968 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 1969 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 1970 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1971 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1972 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1973 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1974 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1856 1856 ))) 1857 1857 1977 + 1858 1858 ((( 1859 1859 As shown in below: 1860 1860 ))) ... ... @@ -1867,10 +1867,15 @@ 1867 1867 ((( 1868 1868 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. 1869 1869 1870 - 1990 + 1991 +== 5.5 Can i use point to point communication for LT-22222-L? == 1992 + 1993 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1871 1871 ))) 1872 1872 1873 1873 ((( 1997 + 1998 + 1874 1874 = 6. Trouble Shooting = 1875 1875 ))) 1876 1876 ... ... @@ -1882,11 +1882,11 @@ 1882 1882 1883 1883 ((( 1884 1884 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1885 - 1886 - 1887 1887 ))) 1888 1888 1889 1889 ((( 2013 + 2014 + 1890 1890 == 6.2 Have trouble to upload image. == 1891 1891 ))) 1892 1892 ... ... @@ -1896,9 +1896,7 @@ 1896 1896 1897 1897 ((( 1898 1898 1899 -))) 1900 1900 1901 -((( 1902 1902 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1903 1903 ))) 1904 1904 ... ... @@ -1906,147 +1906,55 @@ 1906 1906 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1907 1907 ))) 1908 1908 1909 -((( 1910 - 1911 -))) 1912 1912 1913 - (((2033 + 1914 1914 = 7. Order Info = 1915 -))) 1916 1916 1917 -((( 1918 -((( 2036 + 1919 1919 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1920 -))) 1921 -))) 1922 1922 1923 -((( 1924 -((( 2039 + 1925 1925 (% style="color:#4f81bd" %)**XXX:** 1926 -))) 1927 -))) 1928 1928 1929 -((( 1930 -* ((( 1931 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1932 -))) 1933 -))) 2042 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2043 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2044 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2045 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2046 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2047 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2048 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2049 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2050 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1934 1934 1935 -((( 1936 -* ((( 1937 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1938 -))) 1939 -))) 1940 - 1941 -((( 1942 -* ((( 1943 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1944 -))) 1945 -))) 1946 - 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 1984 = 8. Packing Info = 1985 -))) 1986 1986 1987 -((( 1988 -((( 2054 + 1989 1989 **Package Includes**: 1990 -))) 1991 -))) 1992 1992 1993 -((( 1994 -((( 1995 1995 * LT-22222-L I/O Controller x 1 1996 1996 * Stick Antenna for LoRa RF part x 1 1997 1997 * Bracket for controller x1 1998 1998 * Program cable x 1 1999 -))) 2000 -))) 2001 2001 2002 -((( 2003 -((( 2004 2004 **Dimension and weight**: 2005 -))) 2006 -))) 2007 2007 2008 -((( 2009 -((( 2010 2010 * Device Size: 13.5 x 7 x 3 cm 2011 2011 * Device Weight: 105g 2012 2012 * Package Size / pcs : 14.5 x 8 x 5 cm 2013 2013 * Weight / pcs : 170g 2014 2014 2015 - 2016 -))) 2017 -))) 2018 - 2019 -((( 2020 2020 = 9. Support = 2021 -))) 2022 2022 2023 2023 * ((( 2024 -((( 2025 2025 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. 2026 2026 ))) 2027 -))) 2028 2028 * ((( 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 2075 +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]] 2031 2031 ))) 2032 -))) 2033 2033 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 -((( 2042 2042 = 10. Reference = 2043 2043 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 - 2080 +* 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]] 2048 2048 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2049 2049 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2050 2050 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2051 -))) 2052 -)))