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: ... ... @@ -307,6 +307,7 @@ 307 307 * [1] RO1 relay channel is close and the RO1 LED is ON. 308 308 * [0] RO2 relay channel is open and RO2 LED is OFF; 309 309 313 + 310 310 **LT22222-L:** 311 311 312 312 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -322,8 +322,10 @@ 322 322 ** DO1 is high in case there is load between DO1 and V+. 323 323 ** DO1 LED is off in both case 324 324 329 + 325 325 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 326 326 332 + 327 327 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 328 328 329 329 ((( ... ... @@ -332,6 +332,7 @@ 332 332 333 333 [[image:image-20220523180452-3.png]] 334 334 341 + 335 335 ((( 336 336 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 337 337 ))) ... ... @@ -347,6 +347,8 @@ 347 347 ))) 348 348 349 349 ((( 357 + 358 + 350 350 **To use counting mode, please run:** 351 351 ))) 352 352 ... ... @@ -365,6 +365,8 @@ 365 365 ))) 366 366 367 367 ((( 377 + 378 + 368 368 (% style="color:#4f81bd" %)**AT Commands for counting:** 369 369 ))) 370 370 ... ... @@ -415,6 +415,7 @@ 415 415 ))) 416 416 417 417 429 + 418 418 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 419 419 420 420 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -459,8 +459,10 @@ 459 459 460 460 ))) 461 461 474 + 462 462 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 463 463 477 + 464 464 **LT22222-L**: This mode the DI1 is used as a counting pin. 465 465 466 466 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. ... ... @@ -467,6 +467,7 @@ 467 467 468 468 [[image:image-20220523181903-8.png]] 469 469 484 + 470 470 ((( 471 471 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 472 472 ))) ... ... @@ -482,6 +482,8 @@ 482 482 ))) 483 483 484 484 ((( 500 + 501 + 485 485 **To use this mode, please run:** 486 486 ))) 487 487 ... ... @@ -508,6 +508,8 @@ 508 508 ))) 509 509 510 510 ((( 528 + 529 + 511 511 **Plus below command for AVI1 Counting:** 512 512 ))) 513 513 ... ... @@ -540,13 +540,17 @@ 540 540 ))) 541 541 542 542 562 + 543 543 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 544 544 565 + 545 545 **LT22222-L**: This mode the DI1 is used as a counting pin. 546 546 547 547 [[image:image-20220523182334-9.png]] 548 548 549 549 ((( 571 + 572 + 550 550 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 551 551 ))) 552 552 ... ... @@ -561,6 +561,8 @@ 561 561 ))) 562 562 563 563 ((( 587 + 588 + 564 564 **To use this mode, please run:** 565 565 ))) 566 566 ... ... @@ -580,12 +580,13 @@ 580 580 581 581 ((( 582 582 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 583 - 584 - 585 585 ))) 586 586 610 + 611 + 587 587 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 588 588 614 + 589 589 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 590 590 591 591 For example, if user has configured below commands: ... ... @@ -610,6 +610,7 @@ 610 610 611 611 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 612 612 639 + 613 613 (% style="color:#4f81bd" %)**Trigger base on current**: 614 614 615 615 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -618,6 +618,7 @@ 618 618 619 619 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 620 620 648 + 621 621 (% style="color:#4f81bd" %)**Trigger base on DI status**: 622 622 623 623 DI status trigger Flag. ... ... @@ -647,14 +647,17 @@ 647 647 648 648 Yy4 yy4: AC2 or AV2 high limit. 649 649 678 + 650 650 **Example1**: AA 00 13 88 00 00 00 00 00 00 651 651 652 652 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 653 653 683 + 654 654 **Example2**: AA 02 01 00 655 655 656 656 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 657 657 688 + 658 658 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 659 659 660 660 MOD6 Payload : total 11 bytes payload ... ... @@ -661,6 +661,7 @@ 661 661 662 662 [[image:image-20220524085923-1.png]] 663 663 695 + 664 664 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 665 665 666 666 [[image:image-20220524090106-2.png]] ... ... @@ -705,14 +705,19 @@ 705 705 When device got this command, it will send the MOD6 payload. 706 706 707 707 740 + 708 708 === 3.3.7 Payload Decoder === 709 709 710 710 ((( 744 + 745 + 711 711 **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/]] 712 712 713 713 714 714 ))) 715 715 751 + 752 + 716 716 == 3.4 Configure LT via AT or Downlink == 717 717 718 718 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -721,15 +721,17 @@ 721 721 There are two kinds of Commands: 722 722 ))) 723 723 724 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands761 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]] 725 725 726 726 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 727 727 765 + 728 728 === 3.4.1 Common Commands === 729 729 730 730 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]] 731 731 732 732 771 + 733 733 === 3.4.2 Sensor related commands === 734 734 735 735 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -745,6 +745,7 @@ 745 745 746 746 **Example: **AT+TDC=30000. Means set interval to 30 seconds 747 747 787 + 748 748 * Downlink Payload (prefix 0x01): 749 749 750 750 (% class="box infomessage" %) ... ... @@ -753,6 +753,7 @@ 753 753 ))) 754 754 755 755 796 + 756 756 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 757 757 758 758 Set work mode. ... ... @@ -766,6 +766,7 @@ 766 766 767 767 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 768 768 810 + 769 769 * Downlink Payload (prefix 0x0A): 770 770 771 771 (% class="box infomessage" %) ... ... @@ -774,6 +774,7 @@ 774 774 ))) 775 775 776 776 819 + 777 777 ==== 3.4.2.3 Poll an uplink ==== 778 778 779 779 * AT Command: ... ... @@ -780,6 +780,7 @@ 780 780 781 781 There is no AT Command to poll uplink 782 782 826 + 783 783 * Downlink Payload (prefix 0x08): 784 784 785 785 (% class="box infomessage" %) ... ... @@ -790,9 +790,10 @@ 790 790 **Example**: 0x08FF, ask device to send an Uplink 791 791 792 792 837 + 793 793 ==== 3.4.2.4 Enable Trigger Mode ==== 794 794 795 -Use of trigger mode, please check [[ADDMOD6>> path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]840 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 796 796 797 797 * AT Command: 798 798 ... ... @@ -805,6 +805,7 @@ 805 805 806 806 0: Disable Trigger Mode 807 807 853 + 808 808 * Downlink Payload (prefix 0x0A 06): 809 809 810 810 (% class="box infomessage" %) ... ... @@ -813,6 +813,7 @@ 813 813 ))) 814 814 815 815 862 + 816 816 ==== 3.4.2.5 Poll trigger settings ==== 817 817 818 818 Poll trigger settings, ... ... @@ -821,6 +821,7 @@ 821 821 822 822 There is no AT Command for this feature. 823 823 871 + 824 824 * Downlink Payload (prefix 0x AB 06): 825 825 826 826 (% class="box infomessage" %) ... ... @@ -829,6 +829,7 @@ 829 829 ))) 830 830 831 831 880 + 832 832 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 833 833 834 834 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -840,6 +840,7 @@ 840 840 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 841 841 ))) 842 842 892 + 843 843 **Example:** 844 844 845 845 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -852,6 +852,7 @@ 852 852 ))) 853 853 854 854 905 + 855 855 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 856 856 857 857 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -867,10 +867,12 @@ 867 867 868 868 b : delay timing. 869 869 921 + 870 870 **Example:** 871 871 872 872 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 873 873 926 + 874 874 * Downlink Payload (prefix 0x09 01 ): 875 875 876 876 (% class="box infomessage" %) ... ... @@ -879,6 +879,7 @@ 879 879 ))) 880 880 881 881 935 + 882 882 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 883 883 884 884 Set DI2 trigger. ... ... @@ -894,10 +894,12 @@ 894 894 895 895 b : delay timing. 896 896 951 + 897 897 **Example:** 898 898 899 899 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 900 900 956 + 901 901 * Downlink Payload (prefix 0x09 02 ): 902 902 903 903 (% class="box infomessage" %) ... ... @@ -906,9 +906,10 @@ 906 906 ))) 907 907 908 908 965 + 909 909 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 910 910 911 -Set current trigger , base on AC port. See [[trigger mode>> path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]968 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 912 912 913 913 * AT Command: 914 914 ... ... @@ -917,33 +917,37 @@ 917 917 **AT+ACLIM. ** 918 918 ))) 919 919 977 + 920 920 * Downlink Payload (prefix 0xAA 01 ): 921 921 922 922 (% class="box infomessage" %) 923 923 ((( 924 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**982 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 925 925 ))) 926 926 927 927 986 + 928 928 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 929 929 930 -Set current trigger , base on AV port. See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]989 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] 931 931 932 932 * AT Command: 933 933 934 934 (% class="box infomessage" %) 935 935 ((( 936 -**AT+AVLIM. See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**995 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 937 937 ))) 938 938 998 + 939 939 * Downlink Payload (prefix 0xAA 00 ): 940 940 941 941 (% class="box infomessage" %) 942 942 ((( 943 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>> url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **1003 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ** 944 944 ))) 945 945 946 946 1007 + 947 947 ==== 3.4.2.11 Trigger – Set minimum interval ==== 948 948 949 949 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -955,6 +955,7 @@ 955 955 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 956 956 ))) 957 957 1019 + 958 958 * Downlink Payload (prefix 0xAC ): 959 959 960 960 (% class="box infomessage" %) ... ... @@ -963,6 +963,7 @@ 963 963 ))) 964 964 965 965 1028 + 966 966 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 967 967 968 968 * AT Command: ... ... @@ -969,6 +969,7 @@ 969 969 970 970 There is no AT Command to control Digital Output 971 971 1035 + 972 972 * Downlink Payload (prefix 0x02): 973 973 974 974 (% class="box infomessage" %) ... ... @@ -995,6 +995,7 @@ 995 995 ))) 996 996 997 997 1062 + 998 998 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 999 999 1000 1000 * AT Command: ... ... @@ -1001,6 +1001,7 @@ 1001 1001 1002 1002 There is no AT Command to control Digital Output 1003 1003 1069 + 1004 1004 * Downlink Payload (prefix 0xA9): 1005 1005 1006 1006 (% class="box infomessage" %) ... ... @@ -1020,18 +1020,22 @@ 1020 1020 1021 1021 00: DO pins will change to an inverter state after timeout 1022 1022 1089 + 1023 1023 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1024 1024 1025 1025 [[image:image-20220524093238-6.png]] 1026 1026 1094 + 1027 1027 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1028 1028 1029 1029 [[image:image-20220524093328-7.png]] 1030 1030 1099 + 1031 1031 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1032 1032 1033 1033 [[image:image-20220524093351-8.png]] 1034 1034 1104 + 1035 1035 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1036 1036 1037 1037 Latching time. Unit: ms ... ... @@ -1038,6 +1038,7 @@ 1038 1038 1039 1039 Device will upload a packet if downlink code executes successfully. 1040 1040 1111 + 1041 1041 **Example payload:** 1042 1042 1043 1043 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1057,12 +1057,14 @@ 1057 1057 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 1058 1058 1059 1059 1060 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1061 1061 1132 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1133 + 1062 1062 * AT Command: 1063 1063 1064 1064 There is no AT Command to control Relay Output 1065 1065 1138 + 1066 1066 * Downlink Payload (prefix 0x03): 1067 1067 1068 1068 (% class="box infomessage" %) ... ... @@ -1085,6 +1085,7 @@ 1085 1085 Device will upload a packet if downlink code executes successfully. 1086 1086 1087 1087 1161 + 1088 1088 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1089 1089 1090 1090 * AT Command: ... ... @@ -1091,6 +1091,7 @@ 1091 1091 1092 1092 There is no AT Command to control Relay Output 1093 1093 1168 + 1094 1094 * Downlink Payload (prefix 0x05): 1095 1095 1096 1096 (% class="box infomessage" %) ... ... @@ -1108,14 +1108,17 @@ 1108 1108 1109 1109 00: Relays will change to an inverter state after timeout 1110 1110 1186 + 1111 1111 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1112 1112 1113 1113 [[image:image-20220524093831-10.png]] 1114 1114 1191 + 1115 1115 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1116 1116 1117 1117 Device will upload a packet if downlink code executes successfully. 1118 1118 1196 + 1119 1119 **Example payload:** 1120 1120 1121 1121 **~1. 05 01 11 07 D0** ... ... @@ -1135,17 +1135,19 @@ 1135 1135 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1136 1136 1137 1137 1216 + 1138 1138 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1139 1139 1140 -When voltage exceed the threshold, count. Feature 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]]1219 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] 1141 1141 1142 1142 * AT Command: 1143 1143 1144 1144 (% class="box infomessage" %) 1145 1145 ((( 1146 -**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"]]** 1147 1147 ))) 1148 1148 1228 + 1149 1149 * Downlink Payload (prefix 0xA5): 1150 1150 1151 1151 (% class="box infomessage" %) ... ... @@ -1154,6 +1154,7 @@ 1154 1154 ))) 1155 1155 1156 1156 1237 + 1157 1157 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1158 1158 1159 1159 * AT Command: ... ... @@ -1171,6 +1171,7 @@ 1171 1171 1172 1172 Bb cc dd ee: number to be set 1173 1173 1255 + 1174 1174 * Downlink Payload (prefix 0xA8): 1175 1175 1176 1176 (% class="box infomessage" %) ... ... @@ -1179,6 +1179,7 @@ 1179 1179 ))) 1180 1180 1181 1181 1264 + 1182 1182 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1183 1183 1184 1184 Clear counting for counting mode ... ... @@ -1198,6 +1198,7 @@ 1198 1198 ))) 1199 1199 1200 1200 1284 + 1201 1201 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1202 1202 1203 1203 * AT Command: ... ... @@ -1220,16 +1220,17 @@ 1220 1220 1221 1221 ))) 1222 1222 1307 + 1223 1223 == 3.5 Integrate with Mydevice == 1224 1224 1225 1225 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: 1226 1226 1227 1227 ((( 1228 -**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. 1229 1229 ))) 1230 1230 1231 1231 ((( 1232 -**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: 1233 1233 ))) 1234 1234 1235 1235 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1236,30 +1236,38 @@ 1236 1236 1237 1237 [[image:image-20220524094641-11.png||height="390" width="723"]] 1238 1238 1324 + 1239 1239 [[image:image-20220524094641-12.png||height="402" width="718"]] 1240 1240 1241 -**Step 3**: Create an account or log in Mydevices. 1242 1242 1243 -**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. 1244 1244 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 + 1245 1245 Search under The things network 1246 1246 1247 1247 [[image:1653356838789-523.png||height="337" width="740"]] 1248 1248 1249 1249 1337 + 1250 1250 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1251 1251 1252 1252 [[image:image-20220524094909-1.png||height="335" width="729"]] 1253 1253 1342 + 1254 1254 [[image:image-20220524094909-2.png||height="337" width="729"]] 1255 1255 1345 + 1256 1256 [[image:image-20220524094909-3.png||height="338" width="727"]] 1257 1257 1348 + 1258 1258 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1259 1259 1351 + 1260 1260 [[image:image-20220524094909-5.png||height="341" width="734"]] 1261 1261 1262 1262 1355 + 1263 1263 == 3.6 Interface Detail == 1264 1264 1265 1265 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1269,6 +1269,7 @@ 1269 1269 [[image:1653356991268-289.png]] 1270 1270 1271 1271 1365 + 1272 1272 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1273 1273 1274 1274 ((( ... ... @@ -1294,7 +1294,7 @@ 1294 1294 ))) 1295 1295 1296 1296 ((( 1297 -**Example1**: Connect to a Low active sensor. 1391 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1298 1298 ))) 1299 1299 1300 1300 ((( ... ... @@ -1325,7 +1325,7 @@ 1325 1325 ))) 1326 1326 1327 1327 ((( 1328 -**Example2**: Connect to a High active sensor. 1422 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1329 1329 ))) 1330 1330 1331 1331 ((( ... ... @@ -1356,7 +1356,7 @@ 1356 1356 ))) 1357 1357 1358 1358 ((( 1359 -**Example3**: Connect to a 220v high active sensor. 1453 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1360 1360 ))) 1361 1361 1362 1362 ((( ... ... @@ -1383,6 +1383,7 @@ 1383 1383 ))) 1384 1384 1385 1385 1480 + 1386 1386 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1387 1387 1388 1388 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1390,12 +1390,14 @@ 1390 1390 [[image:1653357531600-905.png]] 1391 1391 1392 1392 1488 + 1393 1393 === 3.6.4 Analog Input Interface === 1394 1394 1395 1395 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: 1396 1396 1397 -**AC2 = (IN2 voltage )/12** 1398 1398 1494 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1495 + 1399 1399 [[image:1653357592296-182.png]] 1400 1400 1401 1401 Example to connect a 4~~20mA sensor ... ... @@ -1402,22 +1402,24 @@ 1402 1402 1403 1403 We take the wind speed sensor as an example for reference only. 1404 1404 1405 -Specifications of the wind speed sensor: 1406 1406 1407 - Red:12~~24v1503 +**Specifications of the wind speed sensor:** 1408 1408 1409 - Yellow:4~~20mA1505 +Red: 12~~24v 1410 1410 1411 - Black:GND1507 +Yellow: 4~~20mA 1412 1412 1509 +Black: GND 1413 1413 1414 -Connection diagram: 1415 1415 1512 +**Connection diagram:** 1513 + 1416 1416 [[image:1653357640609-758.png]] 1417 1417 1418 1418 [[image:1653357648330-671.png||height="155" width="733"]] 1419 1419 1420 1420 1519 + 1421 1421 === 3.6.5 Relay Output === 1422 1422 1423 1423 ((( ... ... @@ -1429,6 +1429,7 @@ 1429 1429 [[image:image-20220524100215-10.png||height="382" width="723"]] 1430 1430 1431 1431 1531 + 1432 1432 == 3.7 LEDs Indicators == 1433 1433 1434 1434 [[image:image-20220524100748-11.png]] ... ... @@ -1442,6 +1442,7 @@ 1442 1442 1443 1443 [[image:1653358238933-385.png]] 1444 1444 1545 + 1445 1445 ((( 1446 1446 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: 1447 1447 ))) ... ... @@ -1448,6 +1448,7 @@ 1448 1448 1449 1449 [[image:1653358355238-883.png]] 1450 1450 1552 + 1451 1451 ((( 1452 1452 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/]] 1453 1453 ))) ... ... @@ -1638,12 +1638,16 @@ 1638 1638 1639 1639 ))) 1640 1640 1743 + 1744 + 1641 1641 == 4.2 Common AT Command Sequence == 1642 1642 1643 1643 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1644 1644 1645 1645 ((( 1646 -If device has not joined network yet: 1750 + 1751 + 1752 +**If device has not joined network yet:** 1647 1647 ))) 1648 1648 1649 1649 ((( ... ... @@ -1668,7 +1668,7 @@ 1668 1668 1669 1669 1670 1670 ((( 1671 -If device already joined network: 1777 +**If device already joined network:** 1672 1672 ))) 1673 1673 1674 1674 ((( ... ... @@ -1681,10 +1681,14 @@ 1681 1681 1682 1682 ))) 1683 1683 1790 + 1791 + 1684 1684 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1685 1685 1686 1686 ((( 1687 -(% 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. 1688 1688 ))) 1689 1689 1690 1690 ((( ... ... @@ -1692,7 +1692,7 @@ 1692 1692 ))) 1693 1693 1694 1694 ((( 1695 -(% style="background-color:#dcdcdc" %) 123456(%%) 1805 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1696 1696 ))) 1697 1697 1698 1698 ((( ... ... @@ -1700,39 +1700,41 @@ 1700 1700 ))) 1701 1701 1702 1702 ((( 1703 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1813 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1704 1704 ))) 1705 1705 1706 1706 ((( 1707 -(% 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 1708 1708 ))) 1709 1709 1710 1710 ((( 1711 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1821 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1712 1712 ))) 1713 1713 1714 1714 ((( 1715 -(% 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 1716 1716 ))) 1717 1717 1718 1718 ((( 1719 -(% 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 1720 1720 ))) 1721 1721 1722 1722 ((( 1723 -(% 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) 1724 1724 ))) 1725 1725 1726 1726 ((( 1727 -(% 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 1728 1728 ))) 1729 1729 1730 1730 ((( 1731 -(% 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. 1732 1732 ))) 1733 1733 1734 1734 ((( 1735 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1845 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1846 + 1847 + 1736 1736 ))) 1737 1737 1738 1738 ((( ... ... @@ -1754,6 +1754,7 @@ 1754 1754 1755 1755 ))) 1756 1756 1869 + 1757 1757 === 4.2.3 Change to Class A === 1758 1758 1759 1759 If sensor JOINED ... ... @@ -1765,19 +1765,25 @@ 1765 1765 1766 1766 == 5.1 How to upgrade the image? == 1767 1767 1881 + 1768 1768 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1769 1769 1770 1770 * Support new features 1771 1771 * For bug fix 1772 1772 * Change LoRaWAN bands. 1887 + 1773 1773 Below shows the hardware connection for how to upload an image to the LT: 1774 -* [[image:1653359603330-121.png]] 1775 1775 1890 +[[image:1653359603330-121.png]] 1891 + 1892 + 1776 1776 ((( 1777 -**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]]. 1778 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1779 -**Step3: **Open flashloader; choose the correct COM port to update. 1780 -**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**(%%): 1781 1781 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. 1782 1782 ))) 1783 1783 ... ... @@ -1787,6 +1787,7 @@ 1787 1787 1788 1788 [[image:image-20220524104033-15.png]] 1789 1789 1909 + 1790 1790 (% 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: 1791 1791 1792 1792 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1794,6 +1794,8 @@ 1794 1794 1795 1795 ((( 1796 1796 ((( 1917 + 1918 + 1797 1797 == 5.2 How to change the LoRa Frequency Bands/Region? == 1798 1798 ))) 1799 1799 ))) ... ... @@ -1800,11 +1800,11 @@ 1800 1800 1801 1801 ((( 1802 1802 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1803 - 1804 - 1805 1805 ))) 1806 1806 1807 1807 ((( 1928 + 1929 + 1808 1808 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1809 1809 ))) 1810 1810 ... ... @@ -1817,6 +1817,8 @@ 1817 1817 ((( 1818 1818 ((( 1819 1819 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1942 + 1943 + 1820 1820 ))) 1821 1821 ))) 1822 1822 ... ... @@ -1832,23 +1832,25 @@ 1832 1832 (% 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. 1833 1833 ))) 1834 1834 1959 + 1835 1835 ((( 1836 1836 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1837 1837 ))) 1838 1838 1839 1839 ((( 1840 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1841 -(% style="background-color:#dcdcdc" %)AT+FDR 1842 -(% style="background-color:#dcdcdc" %)123456 1843 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1844 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1845 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1846 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 1847 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 1848 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1849 -(% 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 1850 1850 ))) 1851 1851 1977 + 1852 1852 ((( 1853 1853 As shown in below: 1854 1854 ))) ... ... @@ -1861,10 +1861,15 @@ 1861 1861 ((( 1862 1862 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. 1863 1863 1864 - 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]] 1865 1865 ))) 1866 1866 1867 1867 ((( 1997 + 1998 + 1868 1868 = 6. Trouble Shooting = 1869 1869 ))) 1870 1870 ... ... @@ -1876,11 +1876,11 @@ 1876 1876 1877 1877 ((( 1878 1878 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1879 - 1880 - 1881 1881 ))) 1882 1882 1883 1883 ((( 2013 + 2014 + 1884 1884 == 6.2 Have trouble to upload image. == 1885 1885 ))) 1886 1886 ... ... @@ -1890,9 +1890,7 @@ 1890 1890 1891 1891 ((( 1892 1892 1893 -))) 1894 1894 1895 -((( 1896 1896 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1897 1897 ))) 1898 1898 ... ... @@ -1900,147 +1900,55 @@ 1900 1900 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1901 1901 ))) 1902 1902 1903 -((( 1904 - 1905 -))) 1906 1906 1907 - (((2033 + 1908 1908 = 7. Order Info = 1909 -))) 1910 1910 1911 -((( 1912 -((( 2036 + 1913 1913 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1914 -))) 1915 -))) 1916 1916 1917 -((( 1918 -((( 2039 + 1919 1919 (% style="color:#4f81bd" %)**XXX:** 1920 -))) 1921 -))) 1922 1922 1923 -((( 1924 -* ((( 1925 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1926 -))) 1927 -))) 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 1928 1928 1929 -((( 1930 -* ((( 1931 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1932 -))) 1933 -))) 1934 - 1935 -((( 1936 -* ((( 1937 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1938 -))) 1939 -))) 1940 - 1941 -((( 1942 -* ((( 1943 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1944 -))) 1945 -))) 1946 - 1947 -((( 1948 -* ((( 1949 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1950 -))) 1951 -))) 1952 - 1953 -((( 1954 -* ((( 1955 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1956 -))) 1957 -))) 1958 - 1959 -((( 1960 -* ((( 1961 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1962 -))) 1963 -))) 1964 - 1965 -((( 1966 -* ((( 1967 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1968 -))) 1969 -))) 1970 - 1971 -((( 1972 -* ((( 1973 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1974 - 1975 - 1976 -))) 1977 - 1978 1978 = 8. Packing Info = 1979 -))) 1980 1980 1981 -((( 1982 -((( 2054 + 1983 1983 **Package Includes**: 1984 -))) 1985 -))) 1986 1986 1987 -((( 1988 -((( 1989 1989 * LT-22222-L I/O Controller x 1 1990 1990 * Stick Antenna for LoRa RF part x 1 1991 1991 * Bracket for controller x1 1992 1992 * Program cable x 1 1993 -))) 1994 -))) 1995 1995 1996 -((( 1997 -((( 1998 1998 **Dimension and weight**: 1999 -))) 2000 -))) 2001 2001 2002 -((( 2003 -((( 2004 2004 * Device Size: 13.5 x 7 x 3 cm 2005 2005 * Device Weight: 105g 2006 2006 * Package Size / pcs : 14.5 x 8 x 5 cm 2007 2007 * Weight / pcs : 170g 2008 2008 2009 - 2010 -))) 2011 -))) 2012 - 2013 -((( 2014 2014 = 9. Support = 2015 -))) 2016 2016 2017 2017 * ((( 2018 -((( 2019 2019 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. 2020 2020 ))) 2021 -))) 2022 2022 * ((( 2023 -((( 2024 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 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]] 2025 2025 ))) 2026 -))) 2027 2027 2028 -((( 2029 -((( 2030 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2031 - 2032 - 2033 -))) 2034 - 2035 -((( 2036 2036 = 10. Reference = 2037 2037 2038 -* Product Page: 2039 - 2040 -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]] 2041 - 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]] 2042 2042 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2043 2043 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2044 2044 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2045 -))) 2046 -)))