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. ... ... @@ -463,8 +463,6 @@ 463 463 464 464 ))) 465 465 466 - 467 - 468 468 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 469 469 470 470 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -488,8 +488,6 @@ 488 488 ))) 489 489 490 490 ((( 491 - 492 - 493 493 **To use this mode, please run:** 494 494 ))) 495 495 ... ... @@ -516,8 +516,6 @@ 516 516 ))) 517 517 518 518 ((( 519 - 520 - 521 521 **Plus below command for AVI1 Counting:** 522 522 ))) 523 523 ... ... @@ -550,7 +550,6 @@ 550 550 ))) 551 551 552 552 553 - 554 554 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 555 555 556 556 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -558,8 +558,6 @@ 558 558 [[image:image-20220523182334-9.png]] 559 559 560 560 ((( 561 - 562 - 563 563 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 564 564 ))) 565 565 ... ... @@ -574,8 +574,6 @@ 574 574 ))) 575 575 576 576 ((( 577 - 578 - 579 579 **To use this mode, please run:** 580 580 ))) 581 581 ... ... @@ -595,10 +595,10 @@ 595 595 596 596 ((( 597 597 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 582 + 583 + 598 598 ))) 599 599 600 - 601 - 602 602 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 603 603 604 604 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** ... ... @@ -608,13 +608,11 @@ 608 608 * **AT+MOD=1 ** **~-~->** The normal working mode 609 609 * **AT+ADDMOD6=1** **~-~->** Enable trigger 610 610 611 - 612 612 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 613 613 614 614 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 615 615 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.** 616 616 617 - 618 618 **AT Command to set Trigger Condition**: 619 619 620 620 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -666,17 +666,14 @@ 666 666 667 667 Yy4 yy4: AC2 or AV2 high limit. 668 668 669 - 670 670 **Example1**: AA 00 13 88 00 00 00 00 00 00 671 671 672 672 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 673 673 674 - 675 675 **Example2**: AA 02 01 00 676 676 677 677 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 678 678 679 - 680 680 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 681 681 682 682 MOD6 Payload : total 11 bytes payload ... ... @@ -683,7 +683,6 @@ 683 683 684 684 [[image:image-20220524085923-1.png]] 685 685 686 - 687 687 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 688 688 689 689 [[image:image-20220524090106-2.png]] ... ... @@ -690,7 +690,6 @@ 690 690 691 691 * Each bits shows if the corresponding trigger has been configured. 692 692 693 - 694 694 **Example:** 695 695 696 696 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -702,7 +702,6 @@ 702 702 703 703 * Each bits shows which status has been trigger on this uplink. 704 704 705 - 706 706 **Example:** 707 707 708 708 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -714,7 +714,6 @@ 714 714 715 715 * Each bits shows which status has been trigger on this uplink. 716 716 717 - 718 718 **Example:** 719 719 720 720 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -731,7 +731,6 @@ 731 731 When device got this command, it will send the MOD6 payload. 732 732 733 733 734 - 735 735 === 3.3.7 Payload Decoder === 736 736 737 737 ((( ... ... @@ -740,8 +740,6 @@ 740 740 741 741 ))) 742 742 743 - 744 - 745 745 == 3.4 Configure LT via AT or Downlink == 746 746 747 747 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -754,14 +754,11 @@ 754 754 755 755 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 756 756 757 - 758 - 759 759 === 3.4.1 Common Commands === 760 760 761 761 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]] 762 762 763 763 764 - 765 765 === 3.4.2 Sensor related commands === 766 766 767 767 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -777,7 +777,6 @@ 777 777 778 778 **Example: **AT+TDC=30000. Means set interval to 30 seconds 779 779 780 - 781 781 * Downlink Payload (prefix 0x01): 782 782 783 783 (% class="box infomessage" %) ... ... @@ -786,7 +786,6 @@ 786 786 ))) 787 787 788 788 789 - 790 790 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 791 791 792 792 Set work mode. ... ... @@ -800,7 +800,6 @@ 800 800 801 801 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 802 802 803 - 804 804 * Downlink Payload (prefix 0x0A): 805 805 806 806 (% class="box infomessage" %) ... ... @@ -809,7 +809,6 @@ 809 809 ))) 810 810 811 811 812 - 813 813 ==== 3.4.2.3 Poll an uplink ==== 814 814 815 815 * AT Command: ... ... @@ -816,7 +816,6 @@ 816 816 817 817 There is no AT Command to poll uplink 818 818 819 - 820 820 * Downlink Payload (prefix 0x08): 821 821 822 822 (% class="box infomessage" %) ... ... @@ -827,7 +827,6 @@ 827 827 **Example**: 0x08FF, ask device to send an Uplink 828 828 829 829 830 - 831 831 ==== 3.4.2.4 Enable Trigger Mode ==== 832 832 833 833 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -843,7 +843,6 @@ 843 843 844 844 0: Disable Trigger Mode 845 845 846 - 847 847 * Downlink Payload (prefix 0x0A 06): 848 848 849 849 (% class="box infomessage" %) ... ... @@ -852,7 +852,6 @@ 852 852 ))) 853 853 854 854 855 - 856 856 ==== 3.4.2.5 Poll trigger settings ==== 857 857 858 858 Poll trigger settings, ... ... @@ -861,7 +861,6 @@ 861 861 862 862 There is no AT Command for this feature. 863 863 864 - 865 865 * Downlink Payload (prefix 0x AB 06): 866 866 867 867 (% class="box infomessage" %) ... ... @@ -870,7 +870,6 @@ 870 870 ))) 871 871 872 872 873 - 874 874 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 875 875 876 876 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -882,7 +882,6 @@ 882 882 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 883 883 ))) 884 884 885 - 886 886 **Example:** 887 887 888 888 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -895,7 +895,6 @@ 895 895 ))) 896 896 897 897 898 - 899 899 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 900 900 901 901 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -911,12 +911,10 @@ 911 911 912 912 b : delay timing. 913 913 914 - 915 915 **Example:** 916 916 917 917 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 918 918 919 - 920 920 * Downlink Payload (prefix 0x09 01 ): 921 921 922 922 (% class="box infomessage" %) ... ... @@ -925,7 +925,6 @@ 925 925 ))) 926 926 927 927 928 - 929 929 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 930 930 931 931 Set DI2 trigger. ... ... @@ -941,12 +941,10 @@ 941 941 942 942 b : delay timing. 943 943 944 - 945 945 **Example:** 946 946 947 947 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 948 948 949 - 950 950 * Downlink Payload (prefix 0x09 02 ): 951 951 952 952 (% class="box infomessage" %) ... ... @@ -955,7 +955,6 @@ 955 955 ))) 956 956 957 957 958 - 959 959 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 960 960 961 961 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -967,7 +967,6 @@ 967 967 **AT+ACLIM. ** 968 968 ))) 969 969 970 - 971 971 * Downlink Payload (prefix 0xAA 01 ): 972 972 973 973 (% class="box infomessage" %) ... ... @@ -976,7 +976,6 @@ 976 976 ))) 977 977 978 978 979 - 980 980 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 981 981 982 982 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -988,7 +988,6 @@ 988 988 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 989 989 ))) 990 990 991 - 992 992 * Downlink Payload (prefix 0xAA 00 ): 993 993 994 994 (% class="box infomessage" %) ... ... @@ -997,7 +997,6 @@ 997 997 ))) 998 998 999 999 1000 - 1001 1001 ==== 3.4.2.11 Trigger – Set minimum interval ==== 1002 1002 1003 1003 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -1009,7 +1009,6 @@ 1009 1009 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 1010 1010 ))) 1011 1011 1012 - 1013 1013 * Downlink Payload (prefix 0xAC ): 1014 1014 1015 1015 (% class="box infomessage" %) ... ... @@ -1018,7 +1018,6 @@ 1018 1018 ))) 1019 1019 1020 1020 1021 - 1022 1022 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 1023 1023 1024 1024 * AT Command: ... ... @@ -1025,7 +1025,6 @@ 1025 1025 1026 1026 There is no AT Command to control Digital Output 1027 1027 1028 - 1029 1029 * Downlink Payload (prefix 0x02): 1030 1030 1031 1031 (% class="box infomessage" %) ... ... @@ -1052,7 +1052,6 @@ 1052 1052 ))) 1053 1053 1054 1054 1055 - 1056 1056 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1057 1057 1058 1058 * AT Command: ... ... @@ -1059,7 +1059,6 @@ 1059 1059 1060 1060 There is no AT Command to control Digital Output 1061 1061 1062 - 1063 1063 * Downlink Payload (prefix 0xA9): 1064 1064 1065 1065 (% class="box infomessage" %) ... ... @@ -1079,22 +1079,18 @@ 1079 1079 1080 1080 00: DO pins will change to an inverter state after timeout 1081 1081 1082 - 1083 1083 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1084 1084 1085 1085 [[image:image-20220524093238-6.png]] 1086 1086 1087 - 1088 1088 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1089 1089 1090 1090 [[image:image-20220524093328-7.png]] 1091 1091 1092 - 1093 1093 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1094 1094 1095 1095 [[image:image-20220524093351-8.png]] 1096 1096 1097 - 1098 1098 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1099 1099 1100 1100 Latching time. Unit: ms ... ... @@ -1101,7 +1101,6 @@ 1101 1101 1102 1102 Device will upload a packet if downlink code executes successfully. 1103 1103 1104 - 1105 1105 **Example payload:** 1106 1106 1107 1107 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1121,14 +1121,12 @@ 1121 1121 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 1122 1122 1123 1123 1061 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1124 1124 1125 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1126 - 1127 1127 * AT Command: 1128 1128 1129 1129 There is no AT Command to control Relay Output 1130 1130 1131 - 1132 1132 * Downlink Payload (prefix 0x03): 1133 1133 1134 1134 (% class="box infomessage" %) ... ... @@ -1151,7 +1151,6 @@ 1151 1151 Device will upload a packet if downlink code executes successfully. 1152 1152 1153 1153 1154 - 1155 1155 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1156 1156 1157 1157 * AT Command: ... ... @@ -1158,7 +1158,6 @@ 1158 1158 1159 1159 There is no AT Command to control Relay Output 1160 1160 1161 - 1162 1162 * Downlink Payload (prefix 0x05): 1163 1163 1164 1164 (% class="box infomessage" %) ... ... @@ -1176,17 +1176,14 @@ 1176 1176 1177 1177 00: Relays will change to an inverter state after timeout 1178 1178 1179 - 1180 1180 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1181 1181 1182 1182 [[image:image-20220524093831-10.png]] 1183 1183 1184 - 1185 1185 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1186 1186 1187 1187 Device will upload a packet if downlink code executes successfully. 1188 1188 1189 - 1190 1190 **Example payload:** 1191 1191 1192 1192 **~1. 05 01 11 07 D0** ... ... @@ -1206,7 +1206,6 @@ 1206 1206 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1207 1207 1208 1208 1209 - 1210 1210 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1211 1211 1212 1212 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1218,7 +1218,6 @@ 1218 1218 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1219 1219 ))) 1220 1220 1221 - 1222 1222 * Downlink Payload (prefix 0xA5): 1223 1223 1224 1224 (% class="box infomessage" %) ... ... @@ -1227,7 +1227,6 @@ 1227 1227 ))) 1228 1228 1229 1229 1230 - 1231 1231 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1232 1232 1233 1233 * AT Command: ... ... @@ -1245,7 +1245,6 @@ 1245 1245 1246 1246 Bb cc dd ee: number to be set 1247 1247 1248 - 1249 1249 * Downlink Payload (prefix 0xA8): 1250 1250 1251 1251 (% class="box infomessage" %) ... ... @@ -1254,7 +1254,6 @@ 1254 1254 ))) 1255 1255 1256 1256 1257 - 1258 1258 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1259 1259 1260 1260 Clear counting for counting mode ... ... @@ -1274,7 +1274,6 @@ 1274 1274 ))) 1275 1275 1276 1276 1277 - 1278 1278 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1279 1279 1280 1280 * AT Command: ... ... @@ -1297,17 +1297,16 @@ 1297 1297 1298 1298 ))) 1299 1299 1300 - 1301 1301 == 3.5 Integrate with Mydevice == 1302 1302 1303 1303 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: 1304 1304 1305 1305 ((( 1306 - (% 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. 1307 1307 ))) 1308 1308 1309 1309 ((( 1310 - (% 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: 1311 1311 ))) 1312 1312 1313 1313 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1314,13 +1314,12 @@ 1314 1314 1315 1315 [[image:image-20220524094641-11.png||height="390" width="723"]] 1316 1316 1317 - 1318 1318 [[image:image-20220524094641-12.png||height="402" width="718"]] 1319 1319 1320 1320 1321 - (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.1243 +**Step 3**: Create an account or log in Mydevices. 1322 1322 1323 - (% 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" %) 1324 1324 1325 1325 Search under The things network 1326 1326 ... ... @@ -1327,25 +1327,19 @@ 1327 1327 [[image:1653356838789-523.png||height="337" width="740"]] 1328 1328 1329 1329 1330 - 1331 1331 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1332 1332 1333 1333 [[image:image-20220524094909-1.png||height="335" width="729"]] 1334 1334 1335 - 1336 1336 [[image:image-20220524094909-2.png||height="337" width="729"]] 1337 1337 1338 - 1339 1339 [[image:image-20220524094909-3.png||height="338" width="727"]] 1340 1340 1341 - 1342 1342 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1343 1343 1344 - 1345 1345 [[image:image-20220524094909-5.png||height="341" width="734"]] 1346 1346 1347 1347 1348 - 1349 1349 == 3.6 Interface Detail == 1350 1350 1351 1351 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1355,7 +1355,6 @@ 1355 1355 [[image:1653356991268-289.png]] 1356 1356 1357 1357 1358 - 1359 1359 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1360 1360 1361 1361 ((( ... ... @@ -1381,7 +1381,7 @@ 1381 1381 ))) 1382 1382 1383 1383 ((( 1384 - (% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.1299 +**Example1**: Connect to a Low active sensor. 1385 1385 ))) 1386 1386 1387 1387 ((( ... ... @@ -1412,7 +1412,7 @@ 1412 1412 ))) 1413 1413 1414 1414 ((( 1415 - (% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.1330 +**Example2**: Connect to a High active sensor. 1416 1416 ))) 1417 1417 1418 1418 ((( ... ... @@ -1443,7 +1443,7 @@ 1443 1443 ))) 1444 1444 1445 1445 ((( 1446 - (% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.1361 +**Example3**: Connect to a 220v high active sensor. 1447 1447 ))) 1448 1448 1449 1449 ((( ... ... @@ -1470,7 +1470,6 @@ 1470 1470 ))) 1471 1471 1472 1472 1473 - 1474 1474 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1475 1475 1476 1476 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1478,14 +1478,12 @@ 1478 1478 [[image:1653357531600-905.png]] 1479 1479 1480 1480 1481 - 1482 1482 === 3.6.4 Analog Input Interface === 1483 1483 1484 1484 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: 1485 1485 1399 +**AC2 = (IN2 voltage )/12** 1486 1486 1487 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1488 - 1489 1489 [[image:1653357592296-182.png]] 1490 1490 1491 1491 Example to connect a 4~~20mA sensor ... ... @@ -1492,24 +1492,22 @@ 1492 1492 1493 1493 We take the wind speed sensor as an example for reference only. 1494 1494 1407 +Specifications of the wind speed sensor: 1495 1495 1496 - **Specifications of the windspeed sensor:**1409 +Red:12~~24v 1497 1497 1498 - Red:12~~24v1411 +Yellow:4~~20mA 1499 1499 1500 - Yellow:4~~20mA1413 +Black:GND 1501 1501 1502 -Black: GND 1503 1503 1416 +Connection diagram: 1504 1504 1505 -**Connection diagram:** 1506 - 1507 1507 [[image:1653357640609-758.png]] 1508 1508 1509 1509 [[image:1653357648330-671.png||height="155" width="733"]] 1510 1510 1511 1511 1512 - 1513 1513 === 3.6.5 Relay Output === 1514 1514 1515 1515 ((( ... ... @@ -1521,7 +1521,6 @@ 1521 1521 [[image:image-20220524100215-10.png||height="382" width="723"]] 1522 1522 1523 1523 1524 - 1525 1525 == 3.7 LEDs Indicators == 1526 1526 1527 1527 [[image:image-20220524100748-11.png]] ... ... @@ -1535,7 +1535,6 @@ 1535 1535 1536 1536 [[image:1653358238933-385.png]] 1537 1537 1538 - 1539 1539 ((( 1540 1540 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: 1541 1541 ))) ... ... @@ -1542,7 +1542,6 @@ 1542 1542 1543 1543 [[image:1653358355238-883.png]] 1544 1544 1545 - 1546 1546 ((( 1547 1547 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/]] 1548 1548 ))) ... ... @@ -1733,16 +1733,12 @@ 1733 1733 1734 1734 ))) 1735 1735 1736 - 1737 - 1738 1738 == 4.2 Common AT Command Sequence == 1739 1739 1740 1740 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1741 1741 1742 1742 ((( 1743 - 1744 - 1745 -**If device has not joined network yet:** 1648 +If device has not joined network yet: 1746 1746 ))) 1747 1747 1748 1748 ((( ... ... @@ -1767,7 +1767,7 @@ 1767 1767 1768 1768 1769 1769 ((( 1770 - **If device already joined network:**1673 +If device already joined network: 1771 1771 ))) 1772 1772 1773 1773 ((( ... ... @@ -1780,14 +1780,10 @@ 1780 1780 1781 1781 ))) 1782 1782 1783 - 1784 - 1785 1785 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1786 1786 1787 1787 ((( 1788 - 1789 - 1790 -(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1689 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1791 1791 ))) 1792 1792 1793 1793 ((( ... ... @@ -1795,7 +1795,7 @@ 1795 1795 ))) 1796 1796 1797 1797 ((( 1798 -(% style="background-color:#dcdcdc" %) 123456(%%) 1697 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1799 1799 ))) 1800 1800 1801 1801 ((( ... ... @@ -1803,41 +1803,39 @@ 1803 1803 ))) 1804 1804 1805 1805 ((( 1806 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) 1705 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1807 1807 ))) 1808 1808 1809 1809 ((( 1810 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) 1709 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1811 1811 ))) 1812 1812 1813 1813 ((( 1814 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) 1713 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1815 1815 ))) 1816 1816 1817 1817 ((( 1818 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) 1717 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1819 1819 ))) 1820 1820 1821 1821 ((( 1822 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) 1721 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1823 1823 ))) 1824 1824 1825 1825 ((( 1826 -(% 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) 1827 1827 ))) 1828 1828 1829 1829 ((( 1830 -(% 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 1831 1831 ))) 1832 1832 1833 1833 ((( 1834 -(% 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. 1835 1835 ))) 1836 1836 1837 1837 ((( 1838 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1839 - 1840 - 1737 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1841 1841 ))) 1842 1842 1843 1843 ((( ... ... @@ -1859,7 +1859,6 @@ 1859 1859 1860 1860 ))) 1861 1861 1862 - 1863 1863 === 4.2.3 Change to Class A === 1864 1864 1865 1865 If sensor JOINED ... ... @@ -1871,25 +1871,19 @@ 1871 1871 1872 1872 == 5.1 How to upgrade the image? == 1873 1873 1874 - 1875 1875 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1876 1876 1877 1877 * Support new features 1878 1878 * For bug fix 1879 1879 * Change LoRaWAN bands. 1880 - 1881 1881 Below shows the hardware connection for how to upload an image to the LT: 1776 +* [[image:1653359603330-121.png]] 1882 1882 1883 -[[image:1653359603330-121.png]] 1884 - 1885 - 1886 1886 ((( 1887 -(% 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]]. 1888 -(% 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/]]. 1889 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1890 - 1891 - 1892 -(% 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**: 1893 1893 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. 1894 1894 ))) 1895 1895 ... ... @@ -1899,7 +1899,6 @@ 1899 1899 1900 1900 [[image:image-20220524104033-15.png]] 1901 1901 1902 - 1903 1903 (% 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: 1904 1904 1905 1905 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1907,8 +1907,6 @@ 1907 1907 1908 1908 ((( 1909 1909 ((( 1910 - 1911 - 1912 1912 == 5.2 How to change the LoRa Frequency Bands/Region? == 1913 1913 ))) 1914 1914 ))) ... ... @@ -1915,11 +1915,11 @@ 1915 1915 1916 1916 ((( 1917 1917 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1918 -))) 1919 1919 1920 -((( 1921 1921 1807 +))) 1922 1922 1809 +((( 1923 1923 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1924 1924 ))) 1925 1925 ... ... @@ -1932,8 +1932,6 @@ 1932 1932 ((( 1933 1933 ((( 1934 1934 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1935 - 1936 - 1937 1937 ))) 1938 1938 ))) 1939 1939 ... ... @@ -1949,25 +1949,23 @@ 1949 1949 (% 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. 1950 1950 ))) 1951 1951 1952 - 1953 1953 ((( 1954 1954 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1955 1955 ))) 1956 1956 1957 1957 ((( 1958 -(% style="background-color:#dcdcdc" %)123456 (%%) 1959 -(% style="background-color:#dcdcdc" %)AT+FDR(%%) 1960 -(% style="background-color:#dcdcdc" %)123456 (%%) 1961 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) 1962 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) 1963 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) 1964 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) 1965 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) 1966 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) 1967 -(% 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 1968 1968 ))) 1969 1969 1970 - 1971 1971 ((( 1972 1972 As shown in below: 1973 1973 ))) ... ... @@ -1980,15 +1980,10 @@ 1980 1980 ((( 1981 1981 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. 1982 1982 1983 - 1984 -== 5.5 Can i use point to point communication for LT-22222-L? == 1985 - 1986 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1866 + 1987 1987 ))) 1988 1988 1989 1989 ((( 1990 - 1991 - 1992 1992 = 6. Trouble Shooting = 1993 1993 ))) 1994 1994 ... ... @@ -2000,11 +2000,11 @@ 2000 2000 2001 2001 ((( 2002 2002 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 2003 -))) 2004 2004 2005 -((( 2006 2006 1883 +))) 2007 2007 1885 +((( 2008 2008 == 6.2 Have trouble to upload image. == 2009 2009 ))) 2010 2010 ... ... @@ -2014,7 +2014,9 @@ 2014 2014 2015 2015 ((( 2016 2016 1895 +))) 2017 2017 1897 +((( 2018 2018 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 2019 2019 ))) 2020 2020 ... ... @@ -2022,55 +2022,147 @@ 2022 2022 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 2023 2023 ))) 2024 2024 1905 +((( 1906 + 1907 +))) 2025 2025 2026 - 1909 +((( 2027 2027 = 7. Order Info = 1911 +))) 2028 2028 2029 - 1913 +((( 1914 +((( 2030 2030 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1916 +))) 1917 +))) 2031 2031 2032 - 1919 +((( 1920 +((( 2033 2033 (% style="color:#4f81bd" %)**XXX:** 1922 +))) 1923 +))) 2034 2034 2035 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2036 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2037 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2038 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2039 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2040 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2041 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2042 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2043 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1925 +((( 1926 +* ((( 1927 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1928 +))) 1929 +))) 2044 2044 2045 -= 8. Packing Info = 1931 +((( 1932 +* ((( 1933 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1934 +))) 1935 +))) 2046 2046 1937 +((( 1938 +* ((( 1939 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1940 +))) 1941 +))) 2047 2047 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 +((( 2048 2048 **Package Includes**: 1986 +))) 1987 +))) 2049 2049 1989 +((( 1990 +((( 2050 2050 * LT-22222-L I/O Controller x 1 2051 2051 * Stick Antenna for LoRa RF part x 1 2052 2052 * Bracket for controller x1 2053 2053 * Program cable x 1 1995 +))) 1996 +))) 2054 2054 1998 +((( 1999 +((( 2055 2055 **Dimension and weight**: 2001 +))) 2002 +))) 2056 2056 2004 +((( 2005 +((( 2057 2057 * Device Size: 13.5 x 7 x 3 cm 2058 2058 * Device Weight: 105g 2059 2059 * Package Size / pcs : 14.5 x 8 x 5 cm 2060 2060 * Weight / pcs : 170g 2061 2061 2011 + 2012 +))) 2013 +))) 2014 + 2015 +((( 2062 2062 = 9. Support = 2017 +))) 2063 2063 2064 2064 * ((( 2020 +((( 2065 2065 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. 2066 2066 ))) 2023 +))) 2067 2067 * ((( 2068 -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 2069 2069 ))) 2028 +))) 2070 2070 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 +((( 2071 2071 = 10. Reference = 2072 2072 2073 -* 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 + 2074 2074 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2075 2075 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2076 2076 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2047 +))) 2048 +)))