Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -11,9 +11,6 @@ 11 11 12 12 13 13 14 - 15 - 16 - 17 17 = 1.Introduction = 18 18 19 19 == 1.1 What is LT Series I/O Controller == ... ... @@ -51,8 +51,6 @@ 51 51 == 1.2 Specifications == 52 52 53 53 ((( 54 - 55 - 56 56 **Hardware System:** 57 57 ))) 58 58 ... ... @@ -172,6 +172,8 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 170 + 171 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,8 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 181 + 182 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -194,6 +194,8 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 196 + 197 + 197 197 = 2. Power ON Device = 198 198 199 199 The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller. ... ... @@ -205,7 +205,6 @@ 205 205 [[image:1653297104069-180.png]] 206 206 207 207 208 - 209 209 = 3. Operation Mode = 210 210 211 211 == 3.1 How it works? == ... ... @@ -220,8 +220,6 @@ 220 220 221 221 ))) 222 222 223 - 224 - 225 225 == 3.2 Example to join LoRaWAN network == 226 226 227 227 ((( ... ... @@ -263,7 +263,6 @@ 263 263 [[image:1653298044601-602.png||height="405" width="709"]] 264 264 265 265 266 - 267 267 == 3.3 Uplink Payload == 268 268 269 269 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -275,6 +275,8 @@ 275 275 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 276 276 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 277 277 275 + 276 + 278 278 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 279 279 280 280 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -325,6 +325,8 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 327 + 328 + 328 328 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 329 329 330 330 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. ... ... @@ -418,7 +418,6 @@ 418 418 ))) 419 419 420 420 421 - 422 422 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 423 423 424 424 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -463,11 +463,8 @@ 463 463 464 464 ))) 465 465 466 - 467 - 468 468 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 469 469 470 - 471 471 **LT22222-L**: This mode the DI1 is used as a counting pin. 472 472 473 473 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. ... ... @@ -474,7 +474,6 @@ 474 474 475 475 [[image:image-20220523181903-8.png]] 476 476 477 - 478 478 ((( 479 479 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 480 480 ))) ... ... @@ -490,8 +490,6 @@ 490 490 ))) 491 491 492 492 ((( 493 - 494 - 495 495 **To use this mode, please run:** 496 496 ))) 497 497 ... ... @@ -518,8 +518,6 @@ 518 518 ))) 519 519 520 520 ((( 521 - 522 - 523 523 **Plus below command for AVI1 Counting:** 524 524 ))) 525 525 ... ... @@ -552,17 +552,13 @@ 552 552 ))) 553 553 554 554 555 - 556 556 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 557 557 558 - 559 559 **LT22222-L**: This mode the DI1 is used as a counting pin. 560 560 561 561 [[image:image-20220523182334-9.png]] 562 562 563 563 ((( 564 - 565 - 566 566 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 567 567 ))) 568 568 ... ... @@ -577,8 +577,6 @@ 577 577 ))) 578 578 579 579 ((( 580 - 581 - 582 582 **To use this mode, please run:** 583 583 ))) 584 584 ... ... @@ -598,13 +598,12 @@ 598 598 599 599 ((( 600 600 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 587 + 588 + 601 601 ))) 602 602 603 - 604 - 605 605 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 606 606 607 - 608 608 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 609 609 610 610 For example, if user has configured below commands: ... ... @@ -612,13 +612,11 @@ 612 612 * **AT+MOD=1 ** **~-~->** The normal working mode 613 613 * **AT+ADDMOD6=1** **~-~->** Enable trigger 614 614 615 - 616 616 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 617 617 618 618 1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type 619 619 1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.** 620 620 621 - 622 622 **AT Command to set Trigger Condition**: 623 623 624 624 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -670,17 +670,14 @@ 670 670 671 671 Yy4 yy4: AC2 or AV2 high limit. 672 672 673 - 674 674 **Example1**: AA 00 13 88 00 00 00 00 00 00 675 675 676 676 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 677 677 678 - 679 679 **Example2**: AA 02 01 00 680 680 681 681 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 682 682 683 - 684 684 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 685 685 686 686 MOD6 Payload : total 11 bytes payload ... ... @@ -687,7 +687,6 @@ 687 687 688 688 [[image:image-20220524085923-1.png]] 689 689 690 - 691 691 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 692 692 693 693 [[image:image-20220524090106-2.png]] ... ... @@ -694,7 +694,6 @@ 694 694 695 695 * Each bits shows if the corresponding trigger has been configured. 696 696 697 - 698 698 **Example:** 699 699 700 700 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -706,7 +706,6 @@ 706 706 707 707 * Each bits shows which status has been trigger on this uplink. 708 708 709 - 710 710 **Example:** 711 711 712 712 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -718,7 +718,6 @@ 718 718 719 719 * Each bits shows which status has been trigger on this uplink. 720 720 721 - 722 722 **Example:** 723 723 724 724 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -735,7 +735,6 @@ 735 735 When device got this command, it will send the MOD6 payload. 736 736 737 737 738 - 739 739 === 3.3.7 Payload Decoder === 740 740 741 741 ((( ... ... @@ -744,8 +744,6 @@ 744 744 745 745 ))) 746 746 747 - 748 - 749 749 == 3.4 Configure LT via AT or Downlink == 750 750 751 751 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -758,14 +758,11 @@ 758 758 759 759 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 760 760 761 - 762 - 763 763 === 3.4.1 Common Commands === 764 764 765 765 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]] 766 766 767 767 768 - 769 769 === 3.4.2 Sensor related commands === 770 770 771 771 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -781,7 +781,6 @@ 781 781 782 782 **Example: **AT+TDC=30000. Means set interval to 30 seconds 783 783 784 - 785 785 * Downlink Payload (prefix 0x01): 786 786 787 787 (% class="box infomessage" %) ... ... @@ -790,7 +790,6 @@ 790 790 ))) 791 791 792 792 793 - 794 794 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 795 795 796 796 Set work mode. ... ... @@ -804,7 +804,6 @@ 804 804 805 805 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 806 806 807 - 808 808 * Downlink Payload (prefix 0x0A): 809 809 810 810 (% class="box infomessage" %) ... ... @@ -813,7 +813,6 @@ 813 813 ))) 814 814 815 815 816 - 817 817 ==== 3.4.2.3 Poll an uplink ==== 818 818 819 819 * AT Command: ... ... @@ -820,7 +820,6 @@ 820 820 821 821 There is no AT Command to poll uplink 822 822 823 - 824 824 * Downlink Payload (prefix 0x08): 825 825 826 826 (% class="box infomessage" %) ... ... @@ -831,7 +831,6 @@ 831 831 **Example**: 0x08FF, ask device to send an Uplink 832 832 833 833 834 - 835 835 ==== 3.4.2.4 Enable Trigger Mode ==== 836 836 837 837 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -847,7 +847,6 @@ 847 847 848 848 0: Disable Trigger Mode 849 849 850 - 851 851 * Downlink Payload (prefix 0x0A 06): 852 852 853 853 (% class="box infomessage" %) ... ... @@ -856,7 +856,6 @@ 856 856 ))) 857 857 858 858 859 - 860 860 ==== 3.4.2.5 Poll trigger settings ==== 861 861 862 862 Poll trigger settings, ... ... @@ -865,7 +865,6 @@ 865 865 866 866 There is no AT Command for this feature. 867 867 868 - 869 869 * Downlink Payload (prefix 0x AB 06): 870 870 871 871 (% class="box infomessage" %) ... ... @@ -874,7 +874,6 @@ 874 874 ))) 875 875 876 876 877 - 878 878 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 879 879 880 880 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -886,7 +886,6 @@ 886 886 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 887 887 ))) 888 888 889 - 890 890 **Example:** 891 891 892 892 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -899,7 +899,6 @@ 899 899 ))) 900 900 901 901 902 - 903 903 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 904 904 905 905 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -915,12 +915,10 @@ 915 915 916 916 b : delay timing. 917 917 918 - 919 919 **Example:** 920 920 921 921 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 922 922 923 - 924 924 * Downlink Payload (prefix 0x09 01 ): 925 925 926 926 (% class="box infomessage" %) ... ... @@ -929,7 +929,6 @@ 929 929 ))) 930 930 931 931 932 - 933 933 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 934 934 935 935 Set DI2 trigger. ... ... @@ -945,12 +945,10 @@ 945 945 946 946 b : delay timing. 947 947 948 - 949 949 **Example:** 950 950 951 951 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 952 952 953 - 954 954 * Downlink Payload (prefix 0x09 02 ): 955 955 956 956 (% class="box infomessage" %) ... ... @@ -959,7 +959,6 @@ 959 959 ))) 960 960 961 961 962 - 963 963 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 964 964 965 965 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -971,7 +971,6 @@ 971 971 **AT+ACLIM. ** 972 972 ))) 973 973 974 - 975 975 * Downlink Payload (prefix 0xAA 01 ): 976 976 977 977 (% class="box infomessage" %) ... ... @@ -980,7 +980,6 @@ 980 980 ))) 981 981 982 982 983 - 984 984 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 985 985 986 986 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -992,7 +992,6 @@ 992 992 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 993 993 ))) 994 994 995 - 996 996 * Downlink Payload (prefix 0xAA 00 ): 997 997 998 998 (% class="box infomessage" %) ... ... @@ -1001,7 +1001,6 @@ 1001 1001 ))) 1002 1002 1003 1003 1004 - 1005 1005 ==== 3.4.2.11 Trigger – Set minimum interval ==== 1006 1006 1007 1007 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -1013,7 +1013,6 @@ 1013 1013 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 1014 1014 ))) 1015 1015 1016 - 1017 1017 * Downlink Payload (prefix 0xAC ): 1018 1018 1019 1019 (% class="box infomessage" %) ... ... @@ -1022,7 +1022,6 @@ 1022 1022 ))) 1023 1023 1024 1024 1025 - 1026 1026 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1027 1027 1028 1028 * AT Command: ... ... @@ -1029,7 +1029,6 @@ 1029 1029 1030 1030 There is no AT Command to control Digital Output 1031 1031 1032 - 1033 1033 * Downlink Payload (prefix 0x02): 1034 1034 1035 1035 (% class="box infomessage" %) ... ... @@ -1056,7 +1056,6 @@ 1056 1056 ))) 1057 1057 1058 1058 1059 - 1060 1060 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1061 1061 1062 1062 * AT Command: ... ... @@ -1063,7 +1063,6 @@ 1063 1063 1064 1064 There is no AT Command to control Digital Output 1065 1065 1066 - 1067 1067 * Downlink Payload (prefix 0xA9): 1068 1068 1069 1069 (% class="box infomessage" %) ... ... @@ -1083,22 +1083,18 @@ 1083 1083 1084 1084 00: DO pins will change to an inverter state after timeout 1085 1085 1086 - 1087 1087 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1088 1088 1089 1089 [[image:image-20220524093238-6.png]] 1090 1090 1091 - 1092 1092 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1093 1093 1094 1094 [[image:image-20220524093328-7.png]] 1095 1095 1096 - 1097 1097 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1098 1098 1099 1099 [[image:image-20220524093351-8.png]] 1100 1100 1101 - 1102 1102 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1103 1103 1104 1104 Latching time. Unit: ms ... ... @@ -1105,7 +1105,6 @@ 1105 1105 1106 1106 Device will upload a packet if downlink code executes successfully. 1107 1107 1108 - 1109 1109 **Example payload:** 1110 1110 1111 1111 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1125,14 +1125,12 @@ 1125 1125 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 1126 1126 1127 1127 1066 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1128 1128 1129 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1130 - 1131 1131 * AT Command: 1132 1132 1133 1133 There is no AT Command to control Relay Output 1134 1134 1135 - 1136 1136 * Downlink Payload (prefix 0x03): 1137 1137 1138 1138 (% class="box infomessage" %) ... ... @@ -1155,7 +1155,6 @@ 1155 1155 Device will upload a packet if downlink code executes successfully. 1156 1156 1157 1157 1158 - 1159 1159 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1160 1160 1161 1161 * AT Command: ... ... @@ -1162,7 +1162,6 @@ 1162 1162 1163 1163 There is no AT Command to control Relay Output 1164 1164 1165 - 1166 1166 * Downlink Payload (prefix 0x05): 1167 1167 1168 1168 (% class="box infomessage" %) ... ... @@ -1180,17 +1180,14 @@ 1180 1180 1181 1181 00: Relays will change to an inverter state after timeout 1182 1182 1183 - 1184 1184 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1185 1185 1186 1186 [[image:image-20220524093831-10.png]] 1187 1187 1188 - 1189 1189 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1190 1190 1191 1191 Device will upload a packet if downlink code executes successfully. 1192 1192 1193 - 1194 1194 **Example payload:** 1195 1195 1196 1196 **~1. 05 01 11 07 D0** ... ... @@ -1210,7 +1210,6 @@ 1210 1210 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1211 1211 1212 1212 1213 - 1214 1214 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1215 1215 1216 1216 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1222,7 +1222,6 @@ 1222 1222 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1223 1223 ))) 1224 1224 1225 - 1226 1226 * Downlink Payload (prefix 0xA5): 1227 1227 1228 1228 (% class="box infomessage" %) ... ... @@ -1231,7 +1231,6 @@ 1231 1231 ))) 1232 1232 1233 1233 1234 - 1235 1235 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1236 1236 1237 1237 * AT Command: ... ... @@ -1249,7 +1249,6 @@ 1249 1249 1250 1250 Bb cc dd ee: number to be set 1251 1251 1252 - 1253 1253 * Downlink Payload (prefix 0xA8): 1254 1254 1255 1255 (% class="box infomessage" %) ... ... @@ -1258,7 +1258,6 @@ 1258 1258 ))) 1259 1259 1260 1260 1261 - 1262 1262 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1263 1263 1264 1264 Clear counting for counting mode ... ... @@ -1278,7 +1278,6 @@ 1278 1278 ))) 1279 1279 1280 1280 1281 - 1282 1282 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1283 1283 1284 1284 * AT Command: ... ... @@ -1301,17 +1301,16 @@ 1301 1301 1302 1302 ))) 1303 1303 1304 - 1305 1305 == 3.5 Integrate with Mydevice == 1306 1306 1307 1307 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: 1308 1308 1309 1309 ((( 1310 - (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.1234 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1311 1311 ))) 1312 1312 1313 1313 ((( 1314 - (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:1238 +**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1315 1315 ))) 1316 1316 1317 1317 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1318,38 +1318,30 @@ 1318 1318 1319 1319 [[image:image-20220524094641-11.png||height="390" width="723"]] 1320 1320 1321 - 1322 1322 [[image:image-20220524094641-12.png||height="402" width="718"]] 1323 1323 1247 +**Step 3**: Create an account or log in Mydevices. 1324 1324 1325 - (% style="color:blue" %)**Step3**(%%):Create an accountorloginMydevices.1249 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1326 1326 1327 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1328 - 1329 1329 Search under The things network 1330 1330 1331 1331 [[image:1653356838789-523.png||height="337" width="740"]] 1332 1332 1333 1333 1334 - 1335 1335 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1336 1336 1337 1337 [[image:image-20220524094909-1.png||height="335" width="729"]] 1338 1338 1339 - 1340 1340 [[image:image-20220524094909-2.png||height="337" width="729"]] 1341 1341 1342 - 1343 1343 [[image:image-20220524094909-3.png||height="338" width="727"]] 1344 1344 1345 - 1346 1346 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1347 1347 1348 - 1349 1349 [[image:image-20220524094909-5.png||height="341" width="734"]] 1350 1350 1351 1351 1352 - 1353 1353 == 3.6 Interface Detail == 1354 1354 1355 1355 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1359,7 +1359,6 @@ 1359 1359 [[image:1653356991268-289.png]] 1360 1360 1361 1361 1362 - 1363 1363 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1364 1364 1365 1365 ((( ... ... @@ -1385,7 +1385,7 @@ 1385 1385 ))) 1386 1386 1387 1387 ((( 1388 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1303 +**Example1**: Connect to a Low active sensor. 1389 1389 ))) 1390 1390 1391 1391 ((( ... ... @@ -1416,7 +1416,7 @@ 1416 1416 ))) 1417 1417 1418 1418 ((( 1419 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1334 +**Example2**: Connect to a High active sensor. 1420 1420 ))) 1421 1421 1422 1422 ((( ... ... @@ -1447,7 +1447,7 @@ 1447 1447 ))) 1448 1448 1449 1449 ((( 1450 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1365 +**Example3**: Connect to a 220v high active sensor. 1451 1451 ))) 1452 1452 1453 1453 ((( ... ... @@ -1474,7 +1474,6 @@ 1474 1474 ))) 1475 1475 1476 1476 1477 - 1478 1478 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1479 1479 1480 1480 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1482,14 +1482,12 @@ 1482 1482 [[image:1653357531600-905.png]] 1483 1483 1484 1484 1485 - 1486 1486 === 3.6.4 Analog Input Interface === 1487 1487 1488 1488 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: 1489 1489 1403 +**AC2 = (IN2 voltage )/12** 1490 1490 1491 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1492 - 1493 1493 [[image:1653357592296-182.png]] 1494 1494 1495 1495 Example to connect a 4~~20mA sensor ... ... @@ -1496,24 +1496,22 @@ 1496 1496 1497 1497 We take the wind speed sensor as an example for reference only. 1498 1498 1411 +Specifications of the wind speed sensor: 1499 1499 1500 - **Specifications of the windspeed sensor:**1413 +Red:12~~24v 1501 1501 1502 - Red:12~~24v1415 +Yellow:4~~20mA 1503 1503 1504 - Yellow:4~~20mA1417 +Black:GND 1505 1505 1506 -Black: GND 1507 1507 1420 +Connection diagram: 1508 1508 1509 -**Connection diagram:** 1510 - 1511 1511 [[image:1653357640609-758.png]] 1512 1512 1513 1513 [[image:1653357648330-671.png||height="155" width="733"]] 1514 1514 1515 1515 1516 - 1517 1517 === 3.6.5 Relay Output === 1518 1518 1519 1519 ((( ... ... @@ -1525,7 +1525,6 @@ 1525 1525 [[image:image-20220524100215-10.png||height="382" width="723"]] 1526 1526 1527 1527 1528 - 1529 1529 == 3.7 LEDs Indicators == 1530 1530 1531 1531 [[image:image-20220524100748-11.png]] ... ... @@ -1539,7 +1539,6 @@ 1539 1539 1540 1540 [[image:1653358238933-385.png]] 1541 1541 1542 - 1543 1543 ((( 1544 1544 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: 1545 1545 ))) ... ... @@ -1546,7 +1546,6 @@ 1546 1546 1547 1547 [[image:1653358355238-883.png]] 1548 1548 1549 - 1550 1550 ((( 1551 1551 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/]] 1552 1552 ))) ... ... @@ -1737,16 +1737,12 @@ 1737 1737 1738 1738 ))) 1739 1739 1740 - 1741 - 1742 1742 == 4.2 Common AT Command Sequence == 1743 1743 1744 1744 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1745 1745 1746 1746 ((( 1747 - 1748 - 1749 -**If device has not joined network yet:** 1652 +If device has not joined network yet: 1750 1750 ))) 1751 1751 1752 1752 ((( ... ... @@ -1771,7 +1771,7 @@ 1771 1771 1772 1772 1773 1773 ((( 1774 - **If device already joined network:**1677 +If device already joined network: 1775 1775 ))) 1776 1776 1777 1777 ((( ... ... @@ -1784,14 +1784,10 @@ 1784 1784 1785 1785 ))) 1786 1786 1787 - 1788 - 1789 1789 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1790 1790 1791 1791 ((( 1792 - 1793 - 1794 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1693 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1795 1795 ))) 1796 1796 1797 1797 ((( ... ... @@ -1799,7 +1799,7 @@ 1799 1799 ))) 1800 1800 1801 1801 ((( 1802 -(% style="background-color:#dcdcdc" %) 123456(%%) 1701 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1803 1803 ))) 1804 1804 1805 1805 ((( ... ... @@ -1807,41 +1807,39 @@ 1807 1807 ))) 1808 1808 1809 1809 ((( 1810 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1709 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1811 1811 ))) 1812 1812 1813 1813 ((( 1814 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1713 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1815 1815 ))) 1816 1816 1817 1817 ((( 1818 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1717 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1819 1819 ))) 1820 1820 1821 1821 ((( 1822 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1721 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1823 1823 ))) 1824 1824 1825 1825 ((( 1826 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1725 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1827 1827 ))) 1828 1828 1829 1829 ((( 1830 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1729 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1831 1831 ))) 1832 1832 1833 1833 ((( 1834 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1733 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1835 1835 ))) 1836 1836 1837 1837 ((( 1838 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 1737 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1839 1839 ))) 1840 1840 1841 1841 ((( 1842 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1843 - 1844 - 1741 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1845 1845 ))) 1846 1846 1847 1847 ((( ... ... @@ -1863,7 +1863,6 @@ 1863 1863 1864 1864 ))) 1865 1865 1866 - 1867 1867 === 4.2.3 Change to Class A === 1868 1868 1869 1869 If sensor JOINED ... ... @@ -1875,25 +1875,19 @@ 1875 1875 1876 1876 == 5.1 How to upgrade the image? == 1877 1877 1878 - 1879 1879 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1880 1880 1881 1881 * Support new features 1882 1882 * For bug fix 1883 1883 * Change LoRaWAN bands. 1884 - 1885 1885 Below shows the hardware connection for how to upload an image to the LT: 1780 +* [[image:1653359603330-121.png]] 1886 1886 1887 -[[image:1653359603330-121.png]] 1888 - 1889 - 1890 1890 ((( 1891 -(% 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]]. 1892 -(% 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/]]. 1893 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1894 - 1895 - 1896 -(% style="color:blue" %)**For LT-22222-L**(%%): 1783 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1784 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1785 +**Step3: **Open flashloader; choose the correct COM port to update. 1786 +**For LT-22222-L**: 1897 1897 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. 1898 1898 ))) 1899 1899 ... ... @@ -1903,7 +1903,6 @@ 1903 1903 1904 1904 [[image:image-20220524104033-15.png]] 1905 1905 1906 - 1907 1907 (% 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: 1908 1908 1909 1909 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1911,8 +1911,6 @@ 1911 1911 1912 1912 ((( 1913 1913 ((( 1914 - 1915 - 1916 1916 == 5.2 How to change the LoRa Frequency Bands/Region? == 1917 1917 ))) 1918 1918 ))) ... ... @@ -1919,11 +1919,11 @@ 1919 1919 1920 1920 ((( 1921 1921 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1922 -))) 1923 1923 1924 -((( 1925 1925 1811 +))) 1926 1926 1813 +((( 1927 1927 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1928 1928 ))) 1929 1929 ... ... @@ -1936,8 +1936,6 @@ 1936 1936 ((( 1937 1937 ((( 1938 1938 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1939 - 1940 - 1941 1941 ))) 1942 1942 ))) 1943 1943 ... ... @@ -1953,25 +1953,23 @@ 1953 1953 (% 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. 1954 1954 ))) 1955 1955 1956 - 1957 1957 ((( 1958 1958 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1959 1959 ))) 1960 1960 1961 1961 ((( 1962 -(% style="background-color:#dcdcdc" %)123456 (%%) 1963 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1964 -(% style="background-color:#dcdcdc" %)123456 (%%) 1965 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1966 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1967 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1968 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1969 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1970 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1971 -(% style="background-color:#dcdcdc" %)ATZ (%%) 1846 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1847 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1848 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1849 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1850 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1851 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1852 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1853 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1854 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1855 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1972 1972 ))) 1973 1973 1974 - 1975 1975 ((( 1976 1976 As shown in below: 1977 1977 ))) ... ... @@ -1984,15 +1984,10 @@ 1984 1984 ((( 1985 1985 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. 1986 1986 1987 - 1988 -== 5.5 Can i use point to point communication for LT-22222-L? == 1989 - 1990 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1870 + 1991 1991 ))) 1992 1992 1993 1993 ((( 1994 - 1995 - 1996 1996 = 6. Trouble Shooting = 1997 1997 ))) 1998 1998 ... ... @@ -2004,11 +2004,11 @@ 2004 2004 2005 2005 ((( 2006 2006 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 2007 -))) 2008 2008 2009 -((( 2010 2010 1887 +))) 2011 2011 1889 +((( 2012 2012 == 6.2 Have trouble to upload image. == 2013 2013 ))) 2014 2014 ... ... @@ -2018,7 +2018,9 @@ 2018 2018 2019 2019 ((( 2020 2020 1899 +))) 2021 2021 1901 +((( 2022 2022 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 2023 2023 ))) 2024 2024 ... ... @@ -2026,55 +2026,147 @@ 2026 2026 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 2027 2027 ))) 2028 2028 1909 +((( 1910 + 1911 +))) 2029 2029 2030 - 1913 +((( 2031 2031 = 7. Order Info = 1915 +))) 2032 2032 2033 - 1917 +((( 1918 +((( 2034 2034 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1920 +))) 1921 +))) 2035 2035 2036 - 1923 +((( 1924 +((( 2037 2037 (% style="color:#4f81bd" %)**XXX:** 1926 +))) 1927 +))) 2038 2038 2039 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2040 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2041 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2042 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2043 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2044 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2045 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2046 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2047 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1929 +((( 1930 +* ((( 1931 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1932 +))) 1933 +))) 2048 2048 2049 -= 8. Packing Info = 1935 +((( 1936 +* ((( 1937 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1938 +))) 1939 +))) 2050 2050 1941 +((( 1942 +* ((( 1943 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1944 +))) 1945 +))) 2051 2051 1947 +((( 1948 +* ((( 1949 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1950 +))) 1951 +))) 1952 + 1953 +((( 1954 +* ((( 1955 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1956 +))) 1957 +))) 1958 + 1959 +((( 1960 +* ((( 1961 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1962 +))) 1963 +))) 1964 + 1965 +((( 1966 +* ((( 1967 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1968 +))) 1969 +))) 1970 + 1971 +((( 1972 +* ((( 1973 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1974 +))) 1975 +))) 1976 + 1977 +((( 1978 +* ((( 1979 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1980 + 1981 + 1982 +))) 1983 + 1984 += 8. Packing Info = 1985 +))) 1986 + 1987 +((( 1988 +((( 2052 2052 **Package Includes**: 1990 +))) 1991 +))) 2053 2053 1993 +((( 1994 +((( 2054 2054 * LT-22222-L I/O Controller x 1 2055 2055 * Stick Antenna for LoRa RF part x 1 2056 2056 * Bracket for controller x1 2057 2057 * Program cable x 1 1999 +))) 2000 +))) 2058 2058 2002 +((( 2003 +((( 2059 2059 **Dimension and weight**: 2005 +))) 2006 +))) 2060 2060 2008 +((( 2009 +((( 2061 2061 * Device Size: 13.5 x 7 x 3 cm 2062 2062 * Device Weight: 105g 2063 2063 * Package Size / pcs : 14.5 x 8 x 5 cm 2064 2064 * Weight / pcs : 170g 2065 2065 2015 + 2016 +))) 2017 +))) 2018 + 2019 +((( 2066 2066 = 9. Support = 2021 +))) 2067 2067 2068 2068 * ((( 2024 +((( 2069 2069 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. 2070 2070 ))) 2027 +))) 2071 2071 * ((( 2072 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2029 +((( 2030 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 2073 2073 ))) 2032 +))) 2074 2074 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 +((( 2075 2075 = 10. Reference = 2076 2076 2077 -* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 2044 +* Product Page: 2045 + 2046 +LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 2047 + 2078 2078 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2079 2079 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2080 2080 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2051 +))) 2052 +)))