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 +172,7 @@ 172 172 * Firmware upgradable via program port 173 173 * Counting 174 174 170 + 175 175 == 1.4 Applications == 176 176 177 177 * Smart Buildings & Home Automation ... ... @@ -181,6 +181,7 @@ 181 181 * Smart Cities 182 182 * Smart Factory 183 183 180 + 184 184 == 1.5 Hardware Variants == 185 185 186 186 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -194,6 +194,7 @@ 194 194 * 1 x Counting Port 195 195 ))) 196 196 194 + 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 +275,7 @@ 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 277 277 272 + 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 +325,7 @@ 325 325 ** DO1 is high in case there is load between DO1 and V+. 326 326 ** DO1 LED is off in both case 327 327 323 + 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 ... ... @@ -598,10 +598,10 @@ 598 598 599 599 ((( 600 600 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 582 + 583 + 601 601 ))) 602 602 603 - 604 - 605 605 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 606 606 607 607 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** ... ... @@ -611,13 +611,11 @@ 611 611 * **AT+MOD=1 ** **~-~->** The normal working mode 612 612 * **AT+ADDMOD6=1** **~-~->** Enable trigger 613 613 614 - 615 615 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 616 616 617 617 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 618 618 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.** 619 619 620 - 621 621 **AT Command to set Trigger Condition**: 622 622 623 623 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -669,17 +669,14 @@ 669 669 670 670 Yy4 yy4: AC2 or AV2 high limit. 671 671 672 - 673 673 **Example1**: AA 00 13 88 00 00 00 00 00 00 674 674 675 675 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 676 676 677 - 678 678 **Example2**: AA 02 01 00 679 679 680 680 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 681 681 682 - 683 683 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 684 684 685 685 MOD6 Payload : total 11 bytes payload ... ... @@ -686,7 +686,6 @@ 686 686 687 687 [[image:image-20220524085923-1.png]] 688 688 689 - 690 690 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 691 691 692 692 [[image:image-20220524090106-2.png]] ... ... @@ -693,7 +693,6 @@ 693 693 694 694 * Each bits shows if the corresponding trigger has been configured. 695 695 696 - 697 697 **Example:** 698 698 699 699 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -705,7 +705,6 @@ 705 705 706 706 * Each bits shows which status has been trigger on this uplink. 707 707 708 - 709 709 **Example:** 710 710 711 711 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -717,7 +717,6 @@ 717 717 718 718 * Each bits shows which status has been trigger on this uplink. 719 719 720 - 721 721 **Example:** 722 722 723 723 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -734,7 +734,6 @@ 734 734 When device got this command, it will send the MOD6 payload. 735 735 736 736 737 - 738 738 === 3.3.7 Payload Decoder === 739 739 740 740 ((( ... ... @@ -743,8 +743,6 @@ 743 743 744 744 ))) 745 745 746 - 747 - 748 748 == 3.4 Configure LT via AT or Downlink == 749 749 750 750 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -757,14 +757,11 @@ 757 757 758 758 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 759 759 760 - 761 - 762 762 === 3.4.1 Common Commands === 763 763 764 764 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]] 765 765 766 766 767 - 768 768 === 3.4.2 Sensor related commands === 769 769 770 770 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -780,7 +780,6 @@ 780 780 781 781 **Example: **AT+TDC=30000. Means set interval to 30 seconds 782 782 783 - 784 784 * Downlink Payload (prefix 0x01): 785 785 786 786 (% class="box infomessage" %) ... ... @@ -789,7 +789,6 @@ 789 789 ))) 790 790 791 791 792 - 793 793 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 794 794 795 795 Set work mode. ... ... @@ -803,7 +803,6 @@ 803 803 804 804 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 805 805 806 - 807 807 * Downlink Payload (prefix 0x0A): 808 808 809 809 (% class="box infomessage" %) ... ... @@ -812,7 +812,6 @@ 812 812 ))) 813 813 814 814 815 - 816 816 ==== 3.4.2.3 Poll an uplink ==== 817 817 818 818 * AT Command: ... ... @@ -819,7 +819,6 @@ 819 819 820 820 There is no AT Command to poll uplink 821 821 822 - 823 823 * Downlink Payload (prefix 0x08): 824 824 825 825 (% class="box infomessage" %) ... ... @@ -830,7 +830,6 @@ 830 830 **Example**: 0x08FF, ask device to send an Uplink 831 831 832 832 833 - 834 834 ==== 3.4.2.4 Enable Trigger Mode ==== 835 835 836 836 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -846,7 +846,6 @@ 846 846 847 847 0: Disable Trigger Mode 848 848 849 - 850 850 * Downlink Payload (prefix 0x0A 06): 851 851 852 852 (% class="box infomessage" %) ... ... @@ -855,7 +855,6 @@ 855 855 ))) 856 856 857 857 858 - 859 859 ==== 3.4.2.5 Poll trigger settings ==== 860 860 861 861 Poll trigger settings, ... ... @@ -864,7 +864,6 @@ 864 864 865 865 There is no AT Command for this feature. 866 866 867 - 868 868 * Downlink Payload (prefix 0x AB 06): 869 869 870 870 (% class="box infomessage" %) ... ... @@ -873,7 +873,6 @@ 873 873 ))) 874 874 875 875 876 - 877 877 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 878 878 879 879 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -885,7 +885,6 @@ 885 885 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 886 886 ))) 887 887 888 - 889 889 **Example:** 890 890 891 891 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -898,7 +898,6 @@ 898 898 ))) 899 899 900 900 901 - 902 902 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 903 903 904 904 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -914,12 +914,10 @@ 914 914 915 915 b : delay timing. 916 916 917 - 918 918 **Example:** 919 919 920 920 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 921 921 922 - 923 923 * Downlink Payload (prefix 0x09 01 ): 924 924 925 925 (% class="box infomessage" %) ... ... @@ -928,7 +928,6 @@ 928 928 ))) 929 929 930 930 931 - 932 932 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 933 933 934 934 Set DI2 trigger. ... ... @@ -944,12 +944,10 @@ 944 944 945 945 b : delay timing. 946 946 947 - 948 948 **Example:** 949 949 950 950 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 951 951 952 - 953 953 * Downlink Payload (prefix 0x09 02 ): 954 954 955 955 (% class="box infomessage" %) ... ... @@ -958,7 +958,6 @@ 958 958 ))) 959 959 960 960 961 - 962 962 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 963 963 964 964 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -970,7 +970,6 @@ 970 970 **AT+ACLIM. ** 971 971 ))) 972 972 973 - 974 974 * Downlink Payload (prefix 0xAA 01 ): 975 975 976 976 (% class="box infomessage" %) ... ... @@ -979,7 +979,6 @@ 979 979 ))) 980 980 981 981 982 - 983 983 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 984 984 985 985 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -991,7 +991,6 @@ 991 991 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 992 992 ))) 993 993 994 - 995 995 * Downlink Payload (prefix 0xAA 00 ): 996 996 997 997 (% class="box infomessage" %) ... ... @@ -1000,7 +1000,6 @@ 1000 1000 ))) 1001 1001 1002 1002 1003 - 1004 1004 ==== 3.4.2.11 Trigger – Set minimum interval ==== 1005 1005 1006 1006 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -1012,7 +1012,6 @@ 1012 1012 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 1013 1013 ))) 1014 1014 1015 - 1016 1016 * Downlink Payload (prefix 0xAC ): 1017 1017 1018 1018 (% class="box infomessage" %) ... ... @@ -1021,7 +1021,6 @@ 1021 1021 ))) 1022 1022 1023 1023 1024 - 1025 1025 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1026 1026 1027 1027 * AT Command: ... ... @@ -1028,7 +1028,6 @@ 1028 1028 1029 1029 There is no AT Command to control Digital Output 1030 1030 1031 - 1032 1032 * Downlink Payload (prefix 0x02): 1033 1033 1034 1034 (% class="box infomessage" %) ... ... @@ -1055,7 +1055,6 @@ 1055 1055 ))) 1056 1056 1057 1057 1058 - 1059 1059 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1060 1060 1061 1061 * AT Command: ... ... @@ -1062,7 +1062,6 @@ 1062 1062 1063 1063 There is no AT Command to control Digital Output 1064 1064 1065 - 1066 1066 * Downlink Payload (prefix 0xA9): 1067 1067 1068 1068 (% class="box infomessage" %) ... ... @@ -1082,22 +1082,18 @@ 1082 1082 1083 1083 00: DO pins will change to an inverter state after timeout 1084 1084 1085 - 1086 1086 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1087 1087 1088 1088 [[image:image-20220524093238-6.png]] 1089 1089 1090 - 1091 1091 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1092 1092 1093 1093 [[image:image-20220524093328-7.png]] 1094 1094 1095 - 1096 1096 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1097 1097 1098 1098 [[image:image-20220524093351-8.png]] 1099 1099 1100 - 1101 1101 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1102 1102 1103 1103 Latching time. Unit: ms ... ... @@ -1104,7 +1104,6 @@ 1104 1104 1105 1105 Device will upload a packet if downlink code executes successfully. 1106 1106 1107 - 1108 1108 **Example payload:** 1109 1109 1110 1110 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1124,14 +1124,12 @@ 1124 1124 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 1125 1125 1126 1126 1061 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1127 1127 1128 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1129 - 1130 1130 * AT Command: 1131 1131 1132 1132 There is no AT Command to control Relay Output 1133 1133 1134 - 1135 1135 * Downlink Payload (prefix 0x03): 1136 1136 1137 1137 (% class="box infomessage" %) ... ... @@ -1154,7 +1154,6 @@ 1154 1154 Device will upload a packet if downlink code executes successfully. 1155 1155 1156 1156 1157 - 1158 1158 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1159 1159 1160 1160 * AT Command: ... ... @@ -1161,7 +1161,6 @@ 1161 1161 1162 1162 There is no AT Command to control Relay Output 1163 1163 1164 - 1165 1165 * Downlink Payload (prefix 0x05): 1166 1166 1167 1167 (% class="box infomessage" %) ... ... @@ -1179,17 +1179,14 @@ 1179 1179 1180 1180 00: Relays will change to an inverter state after timeout 1181 1181 1182 - 1183 1183 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1184 1184 1185 1185 [[image:image-20220524093831-10.png]] 1186 1186 1187 - 1188 1188 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1189 1189 1190 1190 Device will upload a packet if downlink code executes successfully. 1191 1191 1192 - 1193 1193 **Example payload:** 1194 1194 1195 1195 **~1. 05 01 11 07 D0** ... ... @@ -1209,7 +1209,6 @@ 1209 1209 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1210 1210 1211 1211 1212 - 1213 1213 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1214 1214 1215 1215 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1221,7 +1221,6 @@ 1221 1221 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1222 1222 ))) 1223 1223 1224 - 1225 1225 * Downlink Payload (prefix 0xA5): 1226 1226 1227 1227 (% class="box infomessage" %) ... ... @@ -1230,7 +1230,6 @@ 1230 1230 ))) 1231 1231 1232 1232 1233 - 1234 1234 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1235 1235 1236 1236 * AT Command: ... ... @@ -1248,7 +1248,6 @@ 1248 1248 1249 1249 Bb cc dd ee: number to be set 1250 1250 1251 - 1252 1252 * Downlink Payload (prefix 0xA8): 1253 1253 1254 1254 (% class="box infomessage" %) ... ... @@ -1257,7 +1257,6 @@ 1257 1257 ))) 1258 1258 1259 1259 1260 - 1261 1261 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1262 1262 1263 1263 Clear counting for counting mode ... ... @@ -1277,7 +1277,6 @@ 1277 1277 ))) 1278 1278 1279 1279 1280 - 1281 1281 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1282 1282 1283 1283 * AT Command: ... ... @@ -1300,17 +1300,16 @@ 1300 1300 1301 1301 ))) 1302 1302 1303 - 1304 1304 == 3.5 Integrate with Mydevice == 1305 1305 1306 1306 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: 1307 1307 1308 1308 ((( 1309 - (% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.1229 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1310 1310 ))) 1311 1311 1312 1312 ((( 1313 - (% 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 +**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: 1314 1314 ))) 1315 1315 1316 1316 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1317,13 +1317,12 @@ 1317 1317 1318 1318 [[image:image-20220524094641-11.png||height="390" width="723"]] 1319 1319 1320 - 1321 1321 [[image:image-20220524094641-12.png||height="402" width="718"]] 1322 1322 1323 1323 1324 - (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.1243 +**Step 3**: Create an account or log in Mydevices. 1325 1325 1326 - (% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)1245 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1327 1327 1328 1328 Search under The things network 1329 1329 ... ... @@ -1330,25 +1330,19 @@ 1330 1330 [[image:1653356838789-523.png||height="337" width="740"]] 1331 1331 1332 1332 1333 - 1334 1334 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1335 1335 1336 1336 [[image:image-20220524094909-1.png||height="335" width="729"]] 1337 1337 1338 - 1339 1339 [[image:image-20220524094909-2.png||height="337" width="729"]] 1340 1340 1341 - 1342 1342 [[image:image-20220524094909-3.png||height="338" width="727"]] 1343 1343 1344 - 1345 1345 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1346 1346 1347 - 1348 1348 [[image:image-20220524094909-5.png||height="341" width="734"]] 1349 1349 1350 1350 1351 - 1352 1352 == 3.6 Interface Detail == 1353 1353 1354 1354 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1358,7 +1358,6 @@ 1358 1358 [[image:1653356991268-289.png]] 1359 1359 1360 1360 1361 - 1362 1362 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1363 1363 1364 1364 ((( ... ... @@ -1384,7 +1384,7 @@ 1384 1384 ))) 1385 1385 1386 1386 ((( 1387 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1299 +**Example1**: Connect to a Low active sensor. 1388 1388 ))) 1389 1389 1390 1390 ((( ... ... @@ -1415,7 +1415,7 @@ 1415 1415 ))) 1416 1416 1417 1417 ((( 1418 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1330 +**Example2**: Connect to a High active sensor. 1419 1419 ))) 1420 1420 1421 1421 ((( ... ... @@ -1446,7 +1446,7 @@ 1446 1446 ))) 1447 1447 1448 1448 ((( 1449 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1361 +**Example3**: Connect to a 220v high active sensor. 1450 1450 ))) 1451 1451 1452 1452 ((( ... ... @@ -1473,7 +1473,6 @@ 1473 1473 ))) 1474 1474 1475 1475 1476 - 1477 1477 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1478 1478 1479 1479 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1481,14 +1481,12 @@ 1481 1481 [[image:1653357531600-905.png]] 1482 1482 1483 1483 1484 - 1485 1485 === 3.6.4 Analog Input Interface === 1486 1486 1487 1487 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: 1488 1488 1399 +**AC2 = (IN2 voltage )/12** 1489 1489 1490 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1491 - 1492 1492 [[image:1653357592296-182.png]] 1493 1493 1494 1494 Example to connect a 4~~20mA sensor ... ... @@ -1495,24 +1495,22 @@ 1495 1495 1496 1496 We take the wind speed sensor as an example for reference only. 1497 1497 1407 +Specifications of the wind speed sensor: 1498 1498 1499 - **Specifications of the windspeed sensor:**1409 +Red:12~~24v 1500 1500 1501 - Red:12~~24v1411 +Yellow:4~~20mA 1502 1502 1503 - Yellow:4~~20mA1413 +Black:GND 1504 1504 1505 -Black: GND 1506 1506 1416 +Connection diagram: 1507 1507 1508 -**Connection diagram:** 1509 - 1510 1510 [[image:1653357640609-758.png]] 1511 1511 1512 1512 [[image:1653357648330-671.png||height="155" width="733"]] 1513 1513 1514 1514 1515 - 1516 1516 === 3.6.5 Relay Output === 1517 1517 1518 1518 ((( ... ... @@ -1524,7 +1524,6 @@ 1524 1524 [[image:image-20220524100215-10.png||height="382" width="723"]] 1525 1525 1526 1526 1527 - 1528 1528 == 3.7 LEDs Indicators == 1529 1529 1530 1530 [[image:image-20220524100748-11.png]] ... ... @@ -1538,7 +1538,6 @@ 1538 1538 1539 1539 [[image:1653358238933-385.png]] 1540 1540 1541 - 1542 1542 ((( 1543 1543 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: 1544 1544 ))) ... ... @@ -1545,7 +1545,6 @@ 1545 1545 1546 1546 [[image:1653358355238-883.png]] 1547 1547 1548 - 1549 1549 ((( 1550 1550 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/]] 1551 1551 ))) ... ... @@ -1736,16 +1736,12 @@ 1736 1736 1737 1737 ))) 1738 1738 1739 - 1740 - 1741 1741 == 4.2 Common AT Command Sequence == 1742 1742 1743 1743 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1744 1744 1745 1745 ((( 1746 - 1747 - 1748 -**If device has not joined network yet:** 1648 +If device has not joined network yet: 1749 1749 ))) 1750 1750 1751 1751 ((( ... ... @@ -1770,7 +1770,7 @@ 1770 1770 1771 1771 1772 1772 ((( 1773 - **If device already joined network:**1673 +If device already joined network: 1774 1774 ))) 1775 1775 1776 1776 ((( ... ... @@ -1783,14 +1783,10 @@ 1783 1783 1784 1784 ))) 1785 1785 1786 - 1787 - 1788 1788 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1789 1789 1790 1790 ((( 1791 - 1792 - 1793 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1689 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1794 1794 ))) 1795 1795 1796 1796 ((( ... ... @@ -1798,7 +1798,7 @@ 1798 1798 ))) 1799 1799 1800 1800 ((( 1801 -(% style="background-color:#dcdcdc" %) 123456(%%) 1697 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1802 1802 ))) 1803 1803 1804 1804 ((( ... ... @@ -1806,41 +1806,39 @@ 1806 1806 ))) 1807 1807 1808 1808 ((( 1809 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1705 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1810 1810 ))) 1811 1811 1812 1812 ((( 1813 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1709 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1814 1814 ))) 1815 1815 1816 1816 ((( 1817 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1713 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1818 1818 ))) 1819 1819 1820 1820 ((( 1821 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1717 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1822 1822 ))) 1823 1823 1824 1824 ((( 1825 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1721 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1826 1826 ))) 1827 1827 1828 1828 ((( 1829 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) 1725 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1830 1830 ))) 1831 1831 1832 1832 ((( 1833 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) 1729 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1834 1834 ))) 1835 1835 1836 1836 ((( 1837 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) 1733 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1838 1838 ))) 1839 1839 1840 1840 ((( 1841 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1842 - 1843 - 1737 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1844 1844 ))) 1845 1845 1846 1846 ((( ... ... @@ -1862,7 +1862,6 @@ 1862 1862 1863 1863 ))) 1864 1864 1865 - 1866 1866 === 4.2.3 Change to Class A === 1867 1867 1868 1868 If sensor JOINED ... ... @@ -1874,25 +1874,19 @@ 1874 1874 1875 1875 == 5.1 How to upgrade the image? == 1876 1876 1877 - 1878 1878 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1879 1879 1880 1880 * Support new features 1881 1881 * For bug fix 1882 1882 * Change LoRaWAN bands. 1883 - 1884 1884 Below shows the hardware connection for how to upload an image to the LT: 1776 +* [[image:1653359603330-121.png]] 1885 1885 1886 -[[image:1653359603330-121.png]] 1887 - 1888 - 1889 1889 ((( 1890 -(% 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]]. 1891 -(% 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/]]. 1892 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1893 - 1894 - 1895 -(% style="color:blue" %)**For LT-22222-L**(%%): 1779 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1780 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1781 +**Step3: **Open flashloader; choose the correct COM port to update. 1782 +**For LT-22222-L**: 1896 1896 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. 1897 1897 ))) 1898 1898 ... ... @@ -1902,7 +1902,6 @@ 1902 1902 1903 1903 [[image:image-20220524104033-15.png]] 1904 1904 1905 - 1906 1906 (% 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: 1907 1907 1908 1908 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1910,8 +1910,6 @@ 1910 1910 1911 1911 ((( 1912 1912 ((( 1913 - 1914 - 1915 1915 == 5.2 How to change the LoRa Frequency Bands/Region? == 1916 1916 ))) 1917 1917 ))) ... ... @@ -1918,11 +1918,11 @@ 1918 1918 1919 1919 ((( 1920 1920 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1921 -))) 1922 1922 1923 -((( 1924 1924 1807 +))) 1925 1925 1809 +((( 1926 1926 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1927 1927 ))) 1928 1928 ... ... @@ -1935,8 +1935,6 @@ 1935 1935 ((( 1936 1936 ((( 1937 1937 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1938 - 1939 - 1940 1940 ))) 1941 1941 ))) 1942 1942 ... ... @@ -1952,25 +1952,23 @@ 1952 1952 (% 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. 1953 1953 ))) 1954 1954 1955 - 1956 1956 ((( 1957 1957 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1958 1958 ))) 1959 1959 1960 1960 ((( 1961 -(% style="background-color:#dcdcdc" %)123456 (%%) 1962 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1963 -(% style="background-color:#dcdcdc" %)123456 (%%) 1964 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1965 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1966 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1967 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1968 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1969 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1970 -(% style="background-color:#dcdcdc" %)ATZ (%%) 1842 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1843 +(% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1844 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1845 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1846 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1847 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1848 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%)Set transmit interval to 60 seconds 1849 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1850 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1851 +(% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1971 1971 ))) 1972 1972 1973 - 1974 1974 ((( 1975 1975 As shown in below: 1976 1976 ))) ... ... @@ -1983,15 +1983,10 @@ 1983 1983 ((( 1984 1984 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. 1985 1985 1986 - 1987 -== 5.5 Can i use point to point communication for LT-22222-L? == 1988 - 1989 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1866 + 1990 1990 ))) 1991 1991 1992 1992 ((( 1993 - 1994 - 1995 1995 = 6. Trouble Shooting = 1996 1996 ))) 1997 1997 ... ... @@ -2003,11 +2003,11 @@ 2003 2003 2004 2004 ((( 2005 2005 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 2006 -))) 2007 2007 2008 -((( 2009 2009 1883 +))) 2010 2010 1885 +((( 2011 2011 == 6.2 Have trouble to upload image. == 2012 2012 ))) 2013 2013 ... ... @@ -2017,7 +2017,9 @@ 2017 2017 2018 2018 ((( 2019 2019 1895 +))) 2020 2020 1897 +((( 2021 2021 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 2022 2022 ))) 2023 2023 ... ... @@ -2025,55 +2025,147 @@ 2025 2025 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 2026 2026 ))) 2027 2027 1905 +((( 1906 + 1907 +))) 2028 2028 2029 - 1909 +((( 2030 2030 = 7. Order Info = 1911 +))) 2031 2031 2032 - 1913 +((( 1914 +((( 2033 2033 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1916 +))) 1917 +))) 2034 2034 2035 - 1919 +((( 1920 +((( 2036 2036 (% style="color:#4f81bd" %)**XXX:** 1922 +))) 1923 +))) 2037 2037 2038 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2039 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2040 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2041 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2042 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2043 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2044 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2045 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2046 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1925 +((( 1926 +* ((( 1927 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1928 +))) 1929 +))) 2047 2047 2048 -= 8. Packing Info = 1931 +((( 1932 +* ((( 1933 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1934 +))) 1935 +))) 2049 2049 1937 +((( 1938 +* ((( 1939 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1940 +))) 1941 +))) 2050 2050 1943 +((( 1944 +* ((( 1945 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1946 +))) 1947 +))) 1948 + 1949 +((( 1950 +* ((( 1951 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1952 +))) 1953 +))) 1954 + 1955 +((( 1956 +* ((( 1957 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1958 +))) 1959 +))) 1960 + 1961 +((( 1962 +* ((( 1963 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1964 +))) 1965 +))) 1966 + 1967 +((( 1968 +* ((( 1969 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1970 +))) 1971 +))) 1972 + 1973 +((( 1974 +* ((( 1975 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1976 + 1977 + 1978 +))) 1979 + 1980 += 8. Packing Info = 1981 +))) 1982 + 1983 +((( 1984 +((( 2051 2051 **Package Includes**: 1986 +))) 1987 +))) 2052 2052 1989 +((( 1990 +((( 2053 2053 * LT-22222-L I/O Controller x 1 2054 2054 * Stick Antenna for LoRa RF part x 1 2055 2055 * Bracket for controller x1 2056 2056 * Program cable x 1 1995 +))) 1996 +))) 2057 2057 1998 +((( 1999 +((( 2058 2058 **Dimension and weight**: 2001 +))) 2002 +))) 2059 2059 2004 +((( 2005 +((( 2060 2060 * Device Size: 13.5 x 7 x 3 cm 2061 2061 * Device Weight: 105g 2062 2062 * Package Size / pcs : 14.5 x 8 x 5 cm 2063 2063 * Weight / pcs : 170g 2064 2064 2011 + 2012 +))) 2013 +))) 2014 + 2015 +((( 2065 2065 = 9. Support = 2017 +))) 2066 2066 2067 2067 * ((( 2020 +((( 2068 2068 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. 2069 2069 ))) 2023 +))) 2070 2070 * ((( 2071 -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 +((( 2026 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to 2072 2072 ))) 2028 +))) 2073 2073 2030 +((( 2031 +((( 2032 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2033 + 2034 + 2035 +))) 2036 + 2037 +((( 2074 2074 = 10. Reference = 2075 2075 2076 -* 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]] 2040 +* Product Page: 2041 + 2042 +LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]] 2043 + 2077 2077 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2078 2078 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2079 2079 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2047 +))) 2048 +)))