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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... ... @@ -51,6 +51,8 @@ 51 51 == 1.2 Specifications == 52 52 53 53 ((( 54 + 55 + 54 54 **Hardware System:** 55 55 ))) 56 56 ... ... @@ -203,6 +203,7 @@ 203 203 [[image:1653297104069-180.png]] 204 204 205 205 208 + 206 206 = 3. Operation Mode = 207 207 208 208 == 3.1 How it works? == ... ... @@ -217,6 +217,8 @@ 217 217 218 218 ))) 219 219 223 + 224 + 220 220 == 3.2 Example to join LoRaWAN network == 221 221 222 222 ((( ... ... @@ -258,6 +258,7 @@ 258 258 [[image:1653298044601-602.png||height="405" width="709"]] 259 259 260 260 266 + 261 261 == 3.3 Uplink Payload == 262 262 263 263 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -304,6 +304,7 @@ 304 304 * [1] RO1 relay channel is close and the RO1 LED is ON. 305 305 * [0] RO2 relay channel is open and RO2 LED is OFF; 306 306 313 + 307 307 **LT22222-L:** 308 308 309 309 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -319,8 +319,11 @@ 319 319 ** DO1 is high in case there is load between DO1 and V+. 320 320 ** DO1 LED is off in both case 321 321 329 + 330 + 322 322 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 323 323 333 + 324 324 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 325 325 326 326 ((( ... ... @@ -329,6 +329,7 @@ 329 329 330 330 [[image:image-20220523180452-3.png]] 331 331 342 + 332 332 ((( 333 333 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below 334 334 ))) ... ... @@ -344,6 +344,8 @@ 344 344 ))) 345 345 346 346 ((( 358 + 359 + 347 347 **To use counting mode, please run:** 348 348 ))) 349 349 ... ... @@ -362,6 +362,8 @@ 362 362 ))) 363 363 364 364 ((( 378 + 379 + 365 365 (% style="color:#4f81bd" %)**AT Commands for counting:** 366 366 ))) 367 367 ... ... @@ -412,6 +412,7 @@ 412 412 ))) 413 413 414 414 430 + 415 415 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 416 416 417 417 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -456,8 +456,10 @@ 456 456 457 457 ))) 458 458 475 + 459 459 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 460 460 478 + 461 461 **LT22222-L**: This mode the DI1 is used as a counting pin. 462 462 463 463 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. ... ... @@ -464,6 +464,7 @@ 464 464 465 465 [[image:image-20220523181903-8.png]] 466 466 485 + 467 467 ((( 468 468 (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 469 469 ))) ... ... @@ -479,6 +479,8 @@ 479 479 ))) 480 480 481 481 ((( 501 + 502 + 482 482 **To use this mode, please run:** 483 483 ))) 484 484 ... ... @@ -505,6 +505,8 @@ 505 505 ))) 506 506 507 507 ((( 529 + 530 + 508 508 **Plus below command for AVI1 Counting:** 509 509 ))) 510 510 ... ... @@ -537,13 +537,17 @@ 537 537 ))) 538 538 539 539 563 + 540 540 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 541 541 566 + 542 542 **LT22222-L**: This mode the DI1 is used as a counting pin. 543 543 544 544 [[image:image-20220523182334-9.png]] 545 545 546 546 ((( 572 + 573 + 547 547 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 548 548 ))) 549 549 ... ... @@ -558,6 +558,8 @@ 558 558 ))) 559 559 560 560 ((( 588 + 589 + 561 561 **To use this mode, please run:** 562 562 ))) 563 563 ... ... @@ -577,12 +577,13 @@ 577 577 578 578 ((( 579 579 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 580 - 581 - 582 582 ))) 583 583 611 + 612 + 584 584 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 585 585 615 + 586 586 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** 587 587 588 588 For example, if user has configured below commands: ... ... @@ -646,14 +646,17 @@ 646 646 647 647 Yy4 yy4: AC2 or AV2 high limit. 648 648 679 + 649 649 **Example1**: AA 00 13 88 00 00 00 00 00 00 650 650 651 651 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 652 652 684 + 653 653 **Example2**: AA 02 01 00 654 654 655 655 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 656 656 689 + 657 657 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 658 658 659 659 MOD6 Payload : total 11 bytes payload ... ... @@ -660,6 +660,7 @@ 660 660 661 661 [[image:image-20220524085923-1.png]] 662 662 696 + 663 663 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 664 664 665 665 [[image:image-20220524090106-2.png]] ... ... @@ -704,14 +704,19 @@ 704 704 When device got this command, it will send the MOD6 payload. 705 705 706 706 741 + 707 707 === 3.3.7 Payload Decoder === 708 708 709 709 ((( 745 + 746 + 710 710 **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]] 711 711 712 712 713 713 ))) 714 714 752 + 753 + 715 715 == 3.4 Configure LT via AT or Downlink == 716 716 717 717 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -724,11 +724,13 @@ 724 724 725 725 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 726 726 766 + 727 727 === 3.4.1 Common Commands === 728 728 729 729 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]] 730 730 731 731 772 + 732 732 === 3.4.2 Sensor related commands === 733 733 734 734 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -744,6 +744,7 @@ 744 744 745 745 **Example: **AT+TDC=30000. Means set interval to 30 seconds 746 746 788 + 747 747 * Downlink Payload (prefix 0x01): 748 748 749 749 (% class="box infomessage" %) ... ... @@ -752,6 +752,7 @@ 752 752 ))) 753 753 754 754 797 + 755 755 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 756 756 757 757 Set work mode. ... ... @@ -765,6 +765,7 @@ 765 765 766 766 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 767 767 811 + 768 768 * Downlink Payload (prefix 0x0A): 769 769 770 770 (% class="box infomessage" %) ... ... @@ -773,6 +773,7 @@ 773 773 ))) 774 774 775 775 820 + 776 776 ==== 3.4.2.3 Poll an uplink ==== 777 777 778 778 * AT Command: ... ... @@ -779,6 +779,7 @@ 779 779 780 780 There is no AT Command to poll uplink 781 781 827 + 782 782 * Downlink Payload (prefix 0x08): 783 783 784 784 (% class="box infomessage" %) ... ... @@ -789,6 +789,7 @@ 789 789 **Example**: 0x08FF, ask device to send an Uplink 790 790 791 791 838 + 792 792 ==== 3.4.2.4 Enable Trigger Mode ==== 793 793 794 794 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -804,6 +804,7 @@ 804 804 805 805 0: Disable Trigger Mode 806 806 854 + 807 807 * Downlink Payload (prefix 0x0A 06): 808 808 809 809 (% class="box infomessage" %) ... ... @@ -812,6 +812,7 @@ 812 812 ))) 813 813 814 814 863 + 815 815 ==== 3.4.2.5 Poll trigger settings ==== 816 816 817 817 Poll trigger settings, ... ... @@ -820,6 +820,7 @@ 820 820 821 821 There is no AT Command for this feature. 822 822 872 + 823 823 * Downlink Payload (prefix 0x AB 06): 824 824 825 825 (% class="box infomessage" %) ... ... @@ -828,6 +828,7 @@ 828 828 ))) 829 829 830 830 881 + 831 831 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 832 832 833 833 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -839,6 +839,7 @@ 839 839 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 840 840 ))) 841 841 893 + 842 842 **Example:** 843 843 844 844 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -851,6 +851,7 @@ 851 851 ))) 852 852 853 853 906 + 854 854 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 855 855 856 856 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -866,10 +866,12 @@ 866 866 867 867 b : delay timing. 868 868 922 + 869 869 **Example:** 870 870 871 871 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 872 872 927 + 873 873 * Downlink Payload (prefix 0x09 01 ): 874 874 875 875 (% class="box infomessage" %) ... ... @@ -878,6 +878,7 @@ 878 878 ))) 879 879 880 880 936 + 881 881 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 882 882 883 883 Set DI2 trigger. ... ... @@ -893,10 +893,12 @@ 893 893 894 894 b : delay timing. 895 895 952 + 896 896 **Example:** 897 897 898 898 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 899 899 957 + 900 900 * Downlink Payload (prefix 0x09 02 ): 901 901 902 902 (% class="box infomessage" %) ... ... @@ -905,6 +905,7 @@ 905 905 ))) 906 906 907 907 966 + 908 908 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 909 909 910 910 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -916,6 +916,7 @@ 916 916 **AT+ACLIM. ** 917 917 ))) 918 918 978 + 919 919 * Downlink Payload (prefix 0xAA 01 ): 920 920 921 921 (% class="box infomessage" %) ... ... @@ -924,6 +924,7 @@ 924 924 ))) 925 925 926 926 987 + 927 927 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 928 928 929 929 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -935,6 +935,7 @@ 935 935 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 936 936 ))) 937 937 999 + 938 938 * Downlink Payload (prefix 0xAA 00 ): 939 939 940 940 (% class="box infomessage" %) ... ... @@ -943,6 +943,7 @@ 943 943 ))) 944 944 945 945 1008 + 946 946 ==== 3.4.2.11 Trigger – Set minimum interval ==== 947 947 948 948 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -954,6 +954,7 @@ 954 954 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 955 955 ))) 956 956 1020 + 957 957 * Downlink Payload (prefix 0xAC ): 958 958 959 959 (% class="box infomessage" %) ... ... @@ -962,6 +962,7 @@ 962 962 ))) 963 963 964 964 1029 + 965 965 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 966 966 967 967 * AT Command: ... ... @@ -968,6 +968,7 @@ 968 968 969 969 There is no AT Command to control Digital Output 970 970 1036 + 971 971 * Downlink Payload (prefix 0x02): 972 972 973 973 (% class="box infomessage" %) ... ... @@ -994,6 +994,7 @@ 994 994 ))) 995 995 996 996 1063 + 997 997 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 998 998 999 999 * AT Command: ... ... @@ -1000,6 +1000,7 @@ 1000 1000 1001 1001 There is no AT Command to control Digital Output 1002 1002 1070 + 1003 1003 * Downlink Payload (prefix 0xA9): 1004 1004 1005 1005 (% class="box infomessage" %) ... ... @@ -1019,18 +1019,22 @@ 1019 1019 1020 1020 00: DO pins will change to an inverter state after timeout 1021 1021 1090 + 1022 1022 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1023 1023 1024 1024 [[image:image-20220524093238-6.png]] 1025 1025 1095 + 1026 1026 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1027 1027 1028 1028 [[image:image-20220524093328-7.png]] 1029 1029 1100 + 1030 1030 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1031 1031 1032 1032 [[image:image-20220524093351-8.png]] 1033 1033 1105 + 1034 1034 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1035 1035 1036 1036 Latching time. Unit: ms ... ... @@ -1037,6 +1037,7 @@ 1037 1037 1038 1038 Device will upload a packet if downlink code executes successfully. 1039 1039 1112 + 1040 1040 **Example payload:** 1041 1041 1042 1042 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1056,12 +1056,14 @@ 1056 1056 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 1057 1057 1058 1058 1059 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1060 1060 1133 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1134 + 1061 1061 * AT Command: 1062 1062 1063 1063 There is no AT Command to control Relay Output 1064 1064 1139 + 1065 1065 * Downlink Payload (prefix 0x03): 1066 1066 1067 1067 (% class="box infomessage" %) ... ... @@ -1084,6 +1084,7 @@ 1084 1084 Device will upload a packet if downlink code executes successfully. 1085 1085 1086 1086 1162 + 1087 1087 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1088 1088 1089 1089 * AT Command: ... ... @@ -1090,6 +1090,7 @@ 1090 1090 1091 1091 There is no AT Command to control Relay Output 1092 1092 1169 + 1093 1093 * Downlink Payload (prefix 0x05): 1094 1094 1095 1095 (% class="box infomessage" %) ... ... @@ -1107,14 +1107,17 @@ 1107 1107 1108 1108 00: Relays will change to an inverter state after timeout 1109 1109 1187 + 1110 1110 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1111 1111 1112 1112 [[image:image-20220524093831-10.png]] 1113 1113 1192 + 1114 1114 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1115 1115 1116 1116 Device will upload a packet if downlink code executes successfully. 1117 1117 1197 + 1118 1118 **Example payload:** 1119 1119 1120 1120 **~1. 05 01 11 07 D0** ... ... @@ -1134,6 +1134,7 @@ 1134 1134 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1135 1135 1136 1136 1217 + 1137 1137 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1138 1138 1139 1139 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1145,6 +1145,7 @@ 1145 1145 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1146 1146 ))) 1147 1147 1229 + 1148 1148 * Downlink Payload (prefix 0xA5): 1149 1149 1150 1150 (% class="box infomessage" %) ... ... @@ -1153,6 +1153,7 @@ 1153 1153 ))) 1154 1154 1155 1155 1238 + 1156 1156 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1157 1157 1158 1158 * AT Command: ... ... @@ -1170,6 +1170,7 @@ 1170 1170 1171 1171 Bb cc dd ee: number to be set 1172 1172 1256 + 1173 1173 * Downlink Payload (prefix 0xA8): 1174 1174 1175 1175 (% class="box infomessage" %) ... ... @@ -1178,6 +1178,7 @@ 1178 1178 ))) 1179 1179 1180 1180 1265 + 1181 1181 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1182 1182 1183 1183 Clear counting for counting mode ... ... @@ -1197,6 +1197,7 @@ 1197 1197 ))) 1198 1198 1199 1199 1285 + 1200 1200 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1201 1201 1202 1202 * AT Command: ... ... @@ -1219,16 +1219,17 @@ 1219 1219 1220 1220 ))) 1221 1221 1308 + 1222 1222 == 3.5 Integrate with Mydevice == 1223 1223 1224 1224 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: 1225 1225 1226 1226 ((( 1227 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1314 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1228 1228 ))) 1229 1229 1230 1230 ((( 1231 -**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: 1318 +(% 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: 1232 1232 ))) 1233 1233 1234 1234 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1235,12 +1235,13 @@ 1235 1235 1236 1236 [[image:image-20220524094641-11.png||height="390" width="723"]] 1237 1237 1325 + 1238 1238 [[image:image-20220524094641-12.png||height="402" width="718"]] 1239 1239 1240 1240 1241 -**Step 3**: Create an account or log in Mydevices. 1329 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. 1242 1242 1243 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1331 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1244 1244 1245 1245 Search under The things network 1246 1246 ... ... @@ -1247,19 +1247,25 @@ 1247 1247 [[image:1653356838789-523.png||height="337" width="740"]] 1248 1248 1249 1249 1338 + 1250 1250 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1251 1251 1252 1252 [[image:image-20220524094909-1.png||height="335" width="729"]] 1253 1253 1343 + 1254 1254 [[image:image-20220524094909-2.png||height="337" width="729"]] 1255 1255 1346 + 1256 1256 [[image:image-20220524094909-3.png||height="338" width="727"]] 1257 1257 1349 + 1258 1258 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1259 1259 1352 + 1260 1260 [[image:image-20220524094909-5.png||height="341" width="734"]] 1261 1261 1262 1262 1356 + 1263 1263 == 3.6 Interface Detail == 1264 1264 1265 1265 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1269,6 +1269,7 @@ 1269 1269 [[image:1653356991268-289.png]] 1270 1270 1271 1271 1366 + 1272 1272 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1273 1273 1274 1274 ((( ... ... @@ -1294,7 +1294,7 @@ 1294 1294 ))) 1295 1295 1296 1296 ((( 1297 -**Example1**: Connect to a Low active sensor. 1392 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1298 1298 ))) 1299 1299 1300 1300 ((( ... ... @@ -1325,7 +1325,7 @@ 1325 1325 ))) 1326 1326 1327 1327 ((( 1328 -**Example2**: Connect to a High active sensor. 1423 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1329 1329 ))) 1330 1330 1331 1331 ((( ... ... @@ -1356,7 +1356,7 @@ 1356 1356 ))) 1357 1357 1358 1358 ((( 1359 -**Example3**: Connect to a 220v high active sensor. 1454 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1360 1360 ))) 1361 1361 1362 1362 ((( ... ... @@ -1383,6 +1383,7 @@ 1383 1383 ))) 1384 1384 1385 1385 1481 + 1386 1386 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1387 1387 1388 1388 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1390,12 +1390,14 @@ 1390 1390 [[image:1653357531600-905.png]] 1391 1391 1392 1392 1489 + 1393 1393 === 3.6.4 Analog Input Interface === 1394 1394 1395 1395 The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is: 1396 1396 1397 -**AC2 = (IN2 voltage )/12** 1398 1398 1495 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1496 + 1399 1399 [[image:1653357592296-182.png]] 1400 1400 1401 1401 Example to connect a 4~~20mA sensor ... ... @@ -1402,22 +1402,24 @@ 1402 1402 1403 1403 We take the wind speed sensor as an example for reference only. 1404 1404 1405 -Specifications of the wind speed sensor: 1406 1406 1407 - Red:12~~24v1504 +**Specifications of the wind speed sensor:** 1408 1408 1409 - Yellow:4~~20mA1506 +Red: 12~~24v 1410 1410 1411 - Black:GND1508 +Yellow: 4~~20mA 1412 1412 1510 +Black: GND 1413 1413 1414 -Connection diagram: 1415 1415 1513 +**Connection diagram:** 1514 + 1416 1416 [[image:1653357640609-758.png]] 1417 1417 1418 1418 [[image:1653357648330-671.png||height="155" width="733"]] 1419 1419 1420 1420 1520 + 1421 1421 === 3.6.5 Relay Output === 1422 1422 1423 1423 ((( ... ... @@ -1429,6 +1429,7 @@ 1429 1429 [[image:image-20220524100215-10.png||height="382" width="723"]] 1430 1430 1431 1431 1532 + 1432 1432 == 3.7 LEDs Indicators == 1433 1433 1434 1434 [[image:image-20220524100748-11.png]] ... ... @@ -1442,6 +1442,7 @@ 1442 1442 1443 1443 [[image:1653358238933-385.png]] 1444 1444 1546 + 1445 1445 ((( 1446 1446 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1447 1447 ))) ... ... @@ -1448,6 +1448,7 @@ 1448 1448 1449 1449 [[image:1653358355238-883.png]] 1450 1450 1553 + 1451 1451 ((( 1452 1452 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1453 1453 ))) ... ... @@ -1638,12 +1638,16 @@ 1638 1638 1639 1639 ))) 1640 1640 1744 + 1745 + 1641 1641 == 4.2 Common AT Command Sequence == 1642 1642 1643 1643 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1644 1644 1645 1645 ((( 1646 -If device has not joined network yet: 1751 + 1752 + 1753 +**If device has not joined network yet:** 1647 1647 ))) 1648 1648 1649 1649 ((( ... ... @@ -1668,7 +1668,7 @@ 1668 1668 1669 1669 1670 1670 ((( 1671 -If device already joined network: 1778 +**If device already joined network:** 1672 1672 ))) 1673 1673 1674 1674 ((( ... ... @@ -1681,10 +1681,14 @@ 1681 1681 1682 1682 ))) 1683 1683 1791 + 1792 + 1684 1684 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1685 1685 1686 1686 ((( 1687 -(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1796 + 1797 + 1798 +(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1688 1688 ))) 1689 1689 1690 1690 ((( ... ... @@ -1692,7 +1692,7 @@ 1692 1692 ))) 1693 1693 1694 1694 ((( 1695 -(% style="background-color:#dcdcdc" %) 123456(%%) 1806 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1696 1696 ))) 1697 1697 1698 1698 ((( ... ... @@ -1700,39 +1700,41 @@ 1700 1700 ))) 1701 1701 1702 1702 ((( 1703 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1814 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1704 1704 ))) 1705 1705 1706 1706 ((( 1707 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1818 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1708 1708 ))) 1709 1709 1710 1710 ((( 1711 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1822 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1712 1712 ))) 1713 1713 1714 1714 ((( 1715 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1826 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1716 1716 ))) 1717 1717 1718 1718 ((( 1719 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1830 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1720 1720 ))) 1721 1721 1722 1722 ((( 1723 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1834 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1724 1724 ))) 1725 1725 1726 1726 ((( 1727 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1838 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1728 1728 ))) 1729 1729 1730 1730 ((( 1731 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1842 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal. 1732 1732 ))) 1733 1733 1734 1734 ((( 1735 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1846 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1847 + 1848 + 1736 1736 ))) 1737 1737 1738 1738 ((( ... ... @@ -1754,6 +1754,7 @@ 1754 1754 1755 1755 ))) 1756 1756 1870 + 1757 1757 === 4.2.3 Change to Class A === 1758 1758 1759 1759 If sensor JOINED ... ... @@ -1765,19 +1765,25 @@ 1765 1765 1766 1766 == 5.1 How to upgrade the image? == 1767 1767 1882 + 1768 1768 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1769 1769 1770 1770 * Support new features 1771 1771 * For bug fix 1772 1772 * Change LoRaWAN bands. 1888 + 1773 1773 Below shows the hardware connection for how to upload an image to the LT: 1774 -* [[image:1653359603330-121.png]] 1775 1775 1891 +[[image:1653359603330-121.png]] 1892 + 1893 + 1776 1776 ((( 1777 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1778 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1779 -**Step3: **Open flashloader; choose the correct COM port to update. 1780 -**For LT-22222-L**: 1895 +(% 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]]. 1896 +(% 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/]]. 1897 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1898 + 1899 + 1900 +(% style="color:blue" %)**For LT-22222-L**(%%): 1781 1781 Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode. 1782 1782 ))) 1783 1783 ... ... @@ -1787,6 +1787,7 @@ 1787 1787 1788 1788 [[image:image-20220524104033-15.png]] 1789 1789 1910 + 1790 1790 (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1791 1791 1792 1792 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1794,6 +1794,8 @@ 1794 1794 1795 1795 ((( 1796 1796 ((( 1918 + 1919 + 1797 1797 == 5.2 How to change the LoRa Frequency Bands/Region? == 1798 1798 ))) 1799 1799 ))) ... ... @@ -1800,11 +1800,11 @@ 1800 1800 1801 1801 ((( 1802 1802 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1803 - 1804 - 1805 1805 ))) 1806 1806 1807 1807 ((( 1929 + 1930 + 1808 1808 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1809 1809 ))) 1810 1810 ... ... @@ -1817,6 +1817,8 @@ 1817 1817 ((( 1818 1818 ((( 1819 1819 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1943 + 1944 + 1820 1820 ))) 1821 1821 ))) 1822 1822 ... ... @@ -1832,23 +1832,25 @@ 1832 1832 (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN. 1833 1833 ))) 1834 1834 1960 + 1835 1835 ((( 1836 1836 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1837 1837 ))) 1838 1838 1839 1839 ((( 1840 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1841 -(% style="background-color:#dcdcdc" %)AT+FDR 1842 -(% style="background-color:#dcdcdc" %)123456 1843 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1844 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1845 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1846 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 1847 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 1848 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1849 -(% style="background-color:#dcdcdc" %)ATZ 1966 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1967 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1968 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1969 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 1970 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 1971 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1972 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1973 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1974 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1975 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1850 1850 ))) 1851 1851 1978 + 1852 1852 ((( 1853 1853 As shown in below: 1854 1854 ))) ... ... @@ -1865,11 +1865,11 @@ 1865 1865 == 5.5 Can i use point to point communication for LT-22222-L? == 1866 1866 1867 1867 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1868 - 1869 - 1870 1870 ))) 1871 1871 1872 1872 ((( 1998 + 1999 + 1873 1873 = 6. Trouble Shooting = 1874 1874 ))) 1875 1875 ... ... @@ -1881,11 +1881,11 @@ 1881 1881 1882 1882 ((( 1883 1883 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1884 - 1885 - 1886 1886 ))) 1887 1887 1888 1888 ((( 2014 + 2015 + 1889 1889 == 6.2 Have trouble to upload image. == 1890 1890 ))) 1891 1891 ... ... @@ -1895,9 +1895,7 @@ 1895 1895 1896 1896 ((( 1897 1897 1898 -))) 1899 1899 1900 -((( 1901 1901 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1902 1902 ))) 1903 1903 ... ... @@ -1905,147 +1905,55 @@ 1905 1905 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1906 1906 ))) 1907 1907 1908 -((( 1909 - 1910 -))) 1911 1911 1912 - (((2034 + 1913 1913 = 7. Order Info = 1914 -))) 1915 1915 1916 -((( 1917 -((( 2037 + 1918 1918 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1919 -))) 1920 -))) 1921 1921 1922 -((( 1923 -((( 2040 + 1924 1924 (% style="color:#4f81bd" %)**XXX:** 1925 -))) 1926 -))) 1927 1927 1928 -((( 1929 -* ((( 1930 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1931 -))) 1932 -))) 2043 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2044 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2045 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2046 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2047 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2048 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2049 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2050 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2051 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1933 1933 1934 -((( 1935 -* ((( 1936 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1937 -))) 1938 -))) 1939 - 1940 -((( 1941 -* ((( 1942 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1943 -))) 1944 -))) 1945 - 1946 -((( 1947 -* ((( 1948 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1949 -))) 1950 -))) 1951 - 1952 -((( 1953 -* ((( 1954 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1955 -))) 1956 -))) 1957 - 1958 -((( 1959 -* ((( 1960 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1961 -))) 1962 -))) 1963 - 1964 -((( 1965 -* ((( 1966 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1967 -))) 1968 -))) 1969 - 1970 -((( 1971 -* ((( 1972 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1973 -))) 1974 -))) 1975 - 1976 -((( 1977 -* ((( 1978 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1979 - 1980 - 1981 -))) 1982 - 1983 1983 = 8. Packing Info = 1984 -))) 1985 1985 1986 -((( 1987 -((( 2055 + 1988 1988 **Package Includes**: 1989 -))) 1990 -))) 1991 1991 1992 -((( 1993 -((( 1994 1994 * LT-22222-L I/O Controller x 1 1995 1995 * Stick Antenna for LoRa RF part x 1 1996 1996 * Bracket for controller x1 1997 1997 * Program cable x 1 1998 -))) 1999 -))) 2000 2000 2001 -((( 2002 -((( 2003 2003 **Dimension and weight**: 2004 -))) 2005 -))) 2006 2006 2007 -((( 2008 -((( 2009 2009 * Device Size: 13.5 x 7 x 3 cm 2010 2010 * Device Weight: 105g 2011 2011 * Package Size / pcs : 14.5 x 8 x 5 cm 2012 2012 * Weight / pcs : 170g 2013 2013 2014 - 2015 -))) 2016 -))) 2017 - 2018 -((( 2019 2019 = 9. Support = 2020 -))) 2021 2021 2022 2022 * ((( 2023 -((( 2024 2024 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. 2025 2025 ))) 2026 -))) 2027 2027 * ((( 2028 -((( 2029 -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 2076 +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]] 2030 2030 ))) 2031 -))) 2032 2032 2033 -((( 2034 -((( 2035 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2036 - 2037 - 2038 -))) 2039 - 2040 -((( 2041 2041 = 10. Reference = 2042 2042 2043 -* Product Page: 2044 - 2045 -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]] 2046 - 2081 +* 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 2047 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2048 2048 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2049 2049 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2050 -))) 2051 -)))