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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... ... @@ -75,7 +75,6 @@ 75 75 ))) 76 76 ))) 77 77 78 - 79 79 ((( 80 80 **Interface for Model: LT22222-L:** 81 81 ))) ... ... @@ -99,7 +99,6 @@ 99 99 Power Input 7~~ 24V DC. 100 100 ))) 101 101 102 - 103 103 ((( 104 104 **LoRa Spec:** 105 105 ))) ... ... @@ -164,8 +164,6 @@ 164 164 165 165 ))) 166 166 167 - 168 - 169 169 == 1.3 Features == 170 170 171 171 * LoRaWAN Class A & Class C protocol ... ... @@ -176,8 +176,6 @@ 176 176 * Firmware upgradable via program port 177 177 * Counting 178 178 179 - 180 - 181 181 == 1.4 Applications == 182 182 183 183 * Smart Buildings & Home Automation ... ... @@ -211,6 +211,7 @@ 211 211 [[image:1653297104069-180.png]] 212 212 213 213 208 + 214 214 = 3. Operation Mode = 215 215 216 216 == 3.1 How it works? == ... ... @@ -225,6 +225,8 @@ 225 225 226 226 ))) 227 227 223 + 224 + 228 228 == 3.2 Example to join LoRaWAN network == 229 229 230 230 ((( ... ... @@ -266,6 +266,7 @@ 266 266 [[image:1653298044601-602.png||height="405" width="709"]] 267 267 268 268 266 + 269 269 == 3.3 Uplink Payload == 270 270 271 271 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -420,6 +420,7 @@ 420 420 ))) 421 421 422 422 421 + 423 423 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 424 424 425 425 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -464,6 +464,8 @@ 464 464 465 465 ))) 466 466 466 + 467 + 467 467 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 468 468 469 469 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -545,6 +545,7 @@ 545 545 ))) 546 546 547 547 549 + 548 548 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 549 549 550 550 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -552,6 +552,8 @@ 552 552 [[image:image-20220523182334-9.png]] 553 553 554 554 ((( 557 + 558 + 555 555 (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below 556 556 ))) 557 557 ... ... @@ -566,6 +566,8 @@ 566 566 ))) 567 567 568 568 ((( 573 + 574 + 569 569 **To use this mode, please run:** 570 570 ))) 571 571 ... ... @@ -585,10 +585,10 @@ 585 585 586 586 ((( 587 587 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 588 - 589 - 590 590 ))) 591 591 596 + 597 + 592 592 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 593 593 594 594 (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.** ... ... @@ -598,11 +598,13 @@ 598 598 * **AT+MOD=1 ** **~-~->** The normal working mode 599 599 * **AT+ADDMOD6=1** **~-~->** Enable trigger 600 600 607 + 601 601 LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases: 602 602 603 603 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 604 604 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.** 605 605 613 + 606 606 **AT Command to set Trigger Condition**: 607 607 608 608 (% style="color:#4f81bd" %)**Trigger base on voltage**: ... ... @@ -654,14 +654,17 @@ 654 654 655 655 Yy4 yy4: AC2 or AV2 high limit. 656 656 665 + 657 657 **Example1**: AA 00 13 88 00 00 00 00 00 00 658 658 659 659 Same as AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 660 660 670 + 661 661 **Example2**: AA 02 01 00 662 662 663 663 Same as AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) 664 664 675 + 665 665 (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:** 666 666 667 667 MOD6 Payload : total 11 bytes payload ... ... @@ -668,6 +668,7 @@ 668 668 669 669 [[image:image-20220524085923-1.png]] 670 670 682 + 671 671 (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below 672 672 673 673 [[image:image-20220524090106-2.png]] ... ... @@ -674,6 +674,7 @@ 674 674 675 675 * Each bits shows if the corresponding trigger has been configured. 676 676 689 + 677 677 **Example:** 678 678 679 679 10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW ... ... @@ -685,6 +685,7 @@ 685 685 686 686 * Each bits shows which status has been trigger on this uplink. 687 687 701 + 688 688 **Example:** 689 689 690 690 10000000: Means this packet is trigger by AC1_LOW. Means voltage too low. ... ... @@ -696,6 +696,7 @@ 696 696 697 697 * Each bits shows which status has been trigger on this uplink. 698 698 713 + 699 699 **Example:** 700 700 701 701 00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1. ... ... @@ -712,6 +712,7 @@ 712 712 When device got this command, it will send the MOD6 payload. 713 713 714 714 730 + 715 715 === 3.3.7 Payload Decoder === 716 716 717 717 ((( ... ... @@ -720,6 +720,8 @@ 720 720 721 721 ))) 722 722 739 + 740 + 723 723 == 3.4 Configure LT via AT or Downlink == 724 724 725 725 User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands ... ... @@ -732,11 +732,14 @@ 732 732 733 733 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 734 734 753 + 754 + 735 735 === 3.4.1 Common Commands === 736 736 737 737 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]] 738 738 739 739 760 + 740 740 === 3.4.2 Sensor related commands === 741 741 742 742 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -752,6 +752,7 @@ 752 752 753 753 **Example: **AT+TDC=30000. Means set interval to 30 seconds 754 754 776 + 755 755 * Downlink Payload (prefix 0x01): 756 756 757 757 (% class="box infomessage" %) ... ... @@ -760,6 +760,7 @@ 760 760 ))) 761 761 762 762 785 + 763 763 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 764 764 765 765 Set work mode. ... ... @@ -773,6 +773,7 @@ 773 773 774 774 **Example**: AT+MOD=2. Set work mode to Double DI counting mode 775 775 799 + 776 776 * Downlink Payload (prefix 0x0A): 777 777 778 778 (% class="box infomessage" %) ... ... @@ -781,6 +781,7 @@ 781 781 ))) 782 782 783 783 808 + 784 784 ==== 3.4.2.3 Poll an uplink ==== 785 785 786 786 * AT Command: ... ... @@ -787,6 +787,7 @@ 787 787 788 788 There is no AT Command to poll uplink 789 789 815 + 790 790 * Downlink Payload (prefix 0x08): 791 791 792 792 (% class="box infomessage" %) ... ... @@ -797,6 +797,7 @@ 797 797 **Example**: 0x08FF, ask device to send an Uplink 798 798 799 799 826 + 800 800 ==== 3.4.2.4 Enable Trigger Mode ==== 801 801 802 802 Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -812,6 +812,7 @@ 812 812 813 813 0: Disable Trigger Mode 814 814 842 + 815 815 * Downlink Payload (prefix 0x0A 06): 816 816 817 817 (% class="box infomessage" %) ... ... @@ -820,6 +820,7 @@ 820 820 ))) 821 821 822 822 851 + 823 823 ==== 3.4.2.5 Poll trigger settings ==== 824 824 825 825 Poll trigger settings, ... ... @@ -828,6 +828,7 @@ 828 828 829 829 There is no AT Command for this feature. 830 830 860 + 831 831 * Downlink Payload (prefix 0x AB 06): 832 832 833 833 (% class="box infomessage" %) ... ... @@ -836,6 +836,7 @@ 836 836 ))) 837 837 838 838 869 + 839 839 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 840 840 841 841 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -847,6 +847,7 @@ 847 847 **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >** 848 848 ))) 849 849 881 + 850 850 **Example:** 851 851 852 852 AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger) ... ... @@ -859,6 +859,7 @@ 859 859 ))) 860 860 861 861 894 + 862 862 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 863 863 864 864 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -874,10 +874,12 @@ 874 874 875 875 b : delay timing. 876 876 910 + 877 877 **Example:** 878 878 879 879 AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) 880 880 915 + 881 881 * Downlink Payload (prefix 0x09 01 ): 882 882 883 883 (% class="box infomessage" %) ... ... @@ -886,6 +886,7 @@ 886 886 ))) 887 887 888 888 924 + 889 889 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 890 890 891 891 Set DI2 trigger. ... ... @@ -901,10 +901,12 @@ 901 901 902 902 b : delay timing. 903 903 940 + 904 904 **Example:** 905 905 906 906 AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms ) 907 907 945 + 908 908 * Downlink Payload (prefix 0x09 02 ): 909 909 910 910 (% class="box infomessage" %) ... ... @@ -913,6 +913,7 @@ 913 913 ))) 914 914 915 915 954 + 916 916 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 917 917 918 918 Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -924,6 +924,7 @@ 924 924 **AT+ACLIM. ** 925 925 ))) 926 926 966 + 927 927 * Downlink Payload (prefix 0xAA 01 ): 928 928 929 929 (% class="box infomessage" %) ... ... @@ -932,6 +932,7 @@ 932 932 ))) 933 933 934 934 975 + 935 935 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 936 936 937 937 Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] ... ... @@ -943,6 +943,7 @@ 943 943 **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]** 944 944 ))) 945 945 987 + 946 946 * Downlink Payload (prefix 0xAA 00 ): 947 947 948 948 (% class="box infomessage" %) ... ... @@ -951,6 +951,7 @@ 951 951 ))) 952 952 953 953 996 + 954 954 ==== 3.4.2.11 Trigger – Set minimum interval ==== 955 955 956 956 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -962,6 +962,7 @@ 962 962 **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.** 963 963 ))) 964 964 1008 + 965 965 * Downlink Payload (prefix 0xAC ): 966 966 967 967 (% class="box infomessage" %) ... ... @@ -970,6 +970,7 @@ 970 970 ))) 971 971 972 972 1017 + 973 973 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 974 974 975 975 * AT Command: ... ... @@ -976,6 +976,7 @@ 976 976 977 977 There is no AT Command to control Digital Output 978 978 1024 + 979 979 * Downlink Payload (prefix 0x02): 980 980 981 981 (% class="box infomessage" %) ... ... @@ -1002,6 +1002,7 @@ 1002 1002 ))) 1003 1003 1004 1004 1051 + 1005 1005 ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ==== 1006 1006 1007 1007 * AT Command: ... ... @@ -1008,6 +1008,7 @@ 1008 1008 1009 1009 There is no AT Command to control Digital Output 1010 1010 1058 + 1011 1011 * Downlink Payload (prefix 0xA9): 1012 1012 1013 1013 (% class="box infomessage" %) ... ... @@ -1027,18 +1027,22 @@ 1027 1027 1028 1028 00: DO pins will change to an inverter state after timeout 1029 1029 1078 + 1030 1030 (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status: 1031 1031 1032 1032 [[image:image-20220524093238-6.png]] 1033 1033 1083 + 1034 1034 (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status: 1035 1035 1036 1036 [[image:image-20220524093328-7.png]] 1037 1037 1088 + 1038 1038 (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status: 1039 1039 1040 1040 [[image:image-20220524093351-8.png]] 1041 1041 1093 + 1042 1042 (% style="color:#4f81bd" %)**Sixth and Seventh Byte**: 1043 1043 1044 1044 Latching time. Unit: ms ... ... @@ -1045,6 +1045,7 @@ 1045 1045 1046 1046 Device will upload a packet if downlink code executes successfully. 1047 1047 1100 + 1048 1048 **Example payload:** 1049 1049 1050 1050 **~1. A9 01 01 01 01 07 D0** ... ... @@ -1064,12 +1064,14 @@ 1064 1064 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 1065 1065 1066 1066 1067 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 === 1068 1068 1121 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ==== 1122 + 1069 1069 * AT Command: 1070 1070 1071 1071 There is no AT Command to control Relay Output 1072 1072 1127 + 1073 1073 * Downlink Payload (prefix 0x03): 1074 1074 1075 1075 (% class="box infomessage" %) ... ... @@ -1092,6 +1092,7 @@ 1092 1092 Device will upload a packet if downlink code executes successfully. 1093 1093 1094 1094 1150 + 1095 1095 ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ==== 1096 1096 1097 1097 * AT Command: ... ... @@ -1098,6 +1098,7 @@ 1098 1098 1099 1099 There is no AT Command to control Relay Output 1100 1100 1157 + 1101 1101 * Downlink Payload (prefix 0x05): 1102 1102 1103 1103 (% class="box infomessage" %) ... ... @@ -1115,14 +1115,17 @@ 1115 1115 1116 1116 00: Relays will change to an inverter state after timeout 1117 1117 1175 + 1118 1118 (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status: 1119 1119 1120 1120 [[image:image-20220524093831-10.png]] 1121 1121 1180 + 1122 1122 (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms 1123 1123 1124 1124 Device will upload a packet if downlink code executes successfully. 1125 1125 1185 + 1126 1126 **Example payload:** 1127 1127 1128 1128 **~1. 05 01 11 07 D0** ... ... @@ -1142,6 +1142,7 @@ 1142 1142 Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO. 1143 1143 1144 1144 1205 + 1145 1145 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1146 1146 1147 1147 When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]] ... ... @@ -1153,6 +1153,7 @@ 1153 1153 **AT+VOLMAX ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]** 1154 1154 ))) 1155 1155 1217 + 1156 1156 * Downlink Payload (prefix 0xA5): 1157 1157 1158 1158 (% class="box infomessage" %) ... ... @@ -1161,6 +1161,7 @@ 1161 1161 ))) 1162 1162 1163 1163 1226 + 1164 1164 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1165 1165 1166 1166 * AT Command: ... ... @@ -1178,6 +1178,7 @@ 1178 1178 1179 1179 Bb cc dd ee: number to be set 1180 1180 1244 + 1181 1181 * Downlink Payload (prefix 0xA8): 1182 1182 1183 1183 (% class="box infomessage" %) ... ... @@ -1186,6 +1186,7 @@ 1186 1186 ))) 1187 1187 1188 1188 1253 + 1189 1189 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1190 1190 1191 1191 Clear counting for counting mode ... ... @@ -1205,6 +1205,7 @@ 1205 1205 ))) 1206 1206 1207 1207 1273 + 1208 1208 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1209 1209 1210 1210 * AT Command: ... ... @@ -1227,16 +1227,17 @@ 1227 1227 1228 1228 ))) 1229 1229 1296 + 1230 1230 == 3.5 Integrate with Mydevice == 1231 1231 1232 1232 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: 1233 1233 1234 1234 ((( 1235 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1302 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time. 1236 1236 ))) 1237 1237 1238 1238 ((( 1239 -**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: 1306 +(% 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: 1240 1240 ))) 1241 1241 1242 1242 [[image:1653356737703-362.png||height="232" width="732"]] ... ... @@ -1243,12 +1243,13 @@ 1243 1243 1244 1244 [[image:image-20220524094641-11.png||height="390" width="723"]] 1245 1245 1313 + 1246 1246 [[image:image-20220524094641-12.png||height="402" width="718"]] 1247 1247 1248 1248 1249 -**Step 3**: Create an account or log in Mydevices. 1317 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices. 1250 1250 1251 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1319 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) 1252 1252 1253 1253 Search under The things network 1254 1254 ... ... @@ -1255,19 +1255,25 @@ 1255 1255 [[image:1653356838789-523.png||height="337" width="740"]] 1256 1256 1257 1257 1326 + 1258 1258 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1259 1259 1260 1260 [[image:image-20220524094909-1.png||height="335" width="729"]] 1261 1261 1331 + 1262 1262 [[image:image-20220524094909-2.png||height="337" width="729"]] 1263 1263 1334 + 1264 1264 [[image:image-20220524094909-3.png||height="338" width="727"]] 1265 1265 1337 + 1266 1266 [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %) 1267 1267 1340 + 1268 1268 [[image:image-20220524094909-5.png||height="341" width="734"]] 1269 1269 1270 1270 1344 + 1271 1271 == 3.6 Interface Detail == 1272 1272 1273 1273 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1277,6 +1277,7 @@ 1277 1277 [[image:1653356991268-289.png]] 1278 1278 1279 1279 1354 + 1280 1280 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1281 1281 1282 1282 ((( ... ... @@ -1302,7 +1302,7 @@ 1302 1302 ))) 1303 1303 1304 1304 ((( 1305 -**Example1**: Connect to a Low active sensor. 1380 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor. 1306 1306 ))) 1307 1307 1308 1308 ((( ... ... @@ -1333,7 +1333,7 @@ 1333 1333 ))) 1334 1334 1335 1335 ((( 1336 -**Example2**: Connect to a High active sensor. 1411 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor. 1337 1337 ))) 1338 1338 1339 1339 ((( ... ... @@ -1364,7 +1364,7 @@ 1364 1364 ))) 1365 1365 1366 1366 ((( 1367 -**Example3**: Connect to a 220v high active sensor. 1442 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor. 1368 1368 ))) 1369 1369 1370 1370 ((( ... ... @@ -1391,6 +1391,7 @@ 1391 1391 ))) 1392 1392 1393 1393 1469 + 1394 1394 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1395 1395 1396 1396 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1398,12 +1398,14 @@ 1398 1398 [[image:1653357531600-905.png]] 1399 1399 1400 1400 1477 + 1401 1401 === 3.6.4 Analog Input Interface === 1402 1402 1403 1403 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: 1404 1404 1405 -**AC2 = (IN2 voltage )/12** 1406 1406 1483 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12** 1484 + 1407 1407 [[image:1653357592296-182.png]] 1408 1408 1409 1409 Example to connect a 4~~20mA sensor ... ... @@ -1410,22 +1410,24 @@ 1410 1410 1411 1411 We take the wind speed sensor as an example for reference only. 1412 1412 1413 -Specifications of the wind speed sensor: 1414 1414 1415 - Red:12~~24v1492 +**Specifications of the wind speed sensor:** 1416 1416 1417 - Yellow:4~~20mA1494 +Red: 12~~24v 1418 1418 1419 - Black:GND1496 +Yellow: 4~~20mA 1420 1420 1498 +Black: GND 1421 1421 1422 -Connection diagram: 1423 1423 1501 +**Connection diagram:** 1502 + 1424 1424 [[image:1653357640609-758.png]] 1425 1425 1426 1426 [[image:1653357648330-671.png||height="155" width="733"]] 1427 1427 1428 1428 1508 + 1429 1429 === 3.6.5 Relay Output === 1430 1430 1431 1431 ((( ... ... @@ -1437,6 +1437,7 @@ 1437 1437 [[image:image-20220524100215-10.png||height="382" width="723"]] 1438 1438 1439 1439 1520 + 1440 1440 == 3.7 LEDs Indicators == 1441 1441 1442 1442 [[image:image-20220524100748-11.png]] ... ... @@ -1450,6 +1450,7 @@ 1450 1450 1451 1451 [[image:1653358238933-385.png]] 1452 1452 1534 + 1453 1453 ((( 1454 1454 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: 1455 1455 ))) ... ... @@ -1456,6 +1456,7 @@ 1456 1456 1457 1457 [[image:1653358355238-883.png]] 1458 1458 1541 + 1459 1459 ((( 1460 1460 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/]] 1461 1461 ))) ... ... @@ -1646,12 +1646,16 @@ 1646 1646 1647 1647 ))) 1648 1648 1732 + 1733 + 1649 1649 == 4.2 Common AT Command Sequence == 1650 1650 1651 1651 === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1652 1652 1653 1653 ((( 1654 -If device has not joined network yet: 1739 + 1740 + 1741 +**If device has not joined network yet:** 1655 1655 ))) 1656 1656 1657 1657 ((( ... ... @@ -1676,7 +1676,7 @@ 1676 1676 1677 1677 1678 1678 ((( 1679 -If device already joined network: 1766 +**If device already joined network:** 1680 1680 ))) 1681 1681 1682 1682 ((( ... ... @@ -1689,10 +1689,14 @@ 1689 1689 1690 1690 ))) 1691 1691 1779 + 1780 + 1692 1692 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === 1693 1693 1694 1694 ((( 1695 -(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1784 + 1785 + 1786 +(% style="background-color:#dcdcdc" %)123456(%%) Enter Password to have AT access. 1696 1696 ))) 1697 1697 1698 1698 ((( ... ... @@ -1700,7 +1700,7 @@ 1700 1700 ))) 1701 1701 1702 1702 ((( 1703 -(% style="background-color:#dcdcdc" %) 123456(%%) 1794 +(% style="background-color:#dcdcdc" %) 123456(%%) Enter Password to have AT access. 1704 1704 ))) 1705 1705 1706 1706 ((( ... ... @@ -1708,39 +1708,41 @@ 1708 1708 ))) 1709 1709 1710 1710 ((( 1711 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1802 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode 1712 1712 ))) 1713 1713 1714 1714 ((( 1715 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1806 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off 1716 1716 ))) 1717 1717 1718 1718 ((( 1719 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1810 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%) Set Data Rate 1720 1720 ))) 1721 1721 1722 1722 ((( 1723 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1814 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%) Set transmit interval to 60 seconds 1724 1724 ))) 1725 1725 1726 1726 ((( 1727 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1818 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1728 1728 ))) 1729 1729 1730 1730 ((( 1731 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1822 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server) 1732 1732 ))) 1733 1733 1734 1734 ((( 1735 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1826 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%) Set RX2DR to match the downlink DR from server. see below 1736 1736 ))) 1737 1737 1738 1738 ((( 1739 -(% 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. 1830 +(% 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. 1740 1740 ))) 1741 1741 1742 1742 ((( 1743 -(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1834 +(% style="background-color:#dcdcdc" %) ATZ (%%) Reset MCU 1835 + 1836 + 1744 1744 ))) 1745 1745 1746 1746 ((( ... ... @@ -1762,6 +1762,7 @@ 1762 1762 1763 1763 ))) 1764 1764 1858 + 1765 1765 === 4.2.3 Change to Class A === 1766 1766 1767 1767 If sensor JOINED ... ... @@ -1773,19 +1773,25 @@ 1773 1773 1774 1774 == 5.1 How to upgrade the image? == 1775 1775 1870 + 1776 1776 The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to: 1777 1777 1778 1778 * Support new features 1779 1779 * For bug fix 1780 1780 * Change LoRaWAN bands. 1876 + 1781 1781 Below shows the hardware connection for how to upload an image to the LT: 1782 -* [[image:1653359603330-121.png]] 1783 1783 1879 +[[image:1653359603330-121.png]] 1880 + 1881 + 1784 1784 ((( 1785 -**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]]. 1786 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1787 -**Step3: **Open flashloader; choose the correct COM port to update. 1788 -**For LT-22222-L**: 1883 +(% 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]]. 1884 +(% 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/]]. 1885 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update. 1886 + 1887 + 1888 +(% style="color:blue" %)**For LT-22222-L**(%%): 1789 1789 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. 1790 1790 ))) 1791 1791 ... ... @@ -1795,6 +1795,7 @@ 1795 1795 1796 1796 [[image:image-20220524104033-15.png]] 1797 1797 1898 + 1798 1798 (% 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: 1799 1799 1800 1800 [[image:1653360054704-518.png||height="186" width="745"]] ... ... @@ -1802,6 +1802,8 @@ 1802 1802 1803 1803 ((( 1804 1804 ((( 1906 + 1907 + 1805 1805 == 5.2 How to change the LoRa Frequency Bands/Region? == 1806 1806 ))) 1807 1807 ))) ... ... @@ -1808,11 +1808,11 @@ 1808 1808 1809 1809 ((( 1810 1810 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1811 - 1812 - 1813 1813 ))) 1814 1814 1815 1815 ((( 1917 + 1918 + 1816 1816 == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? == 1817 1817 ))) 1818 1818 ... ... @@ -1825,6 +1825,8 @@ 1825 1825 ((( 1826 1826 ((( 1827 1827 Assume we have a LG02 working in the frequency 868400000 now , below is the step. 1931 + 1932 + 1828 1828 ))) 1829 1829 ))) 1830 1830 ... ... @@ -1840,23 +1840,25 @@ 1840 1840 (% 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. 1841 1841 ))) 1842 1842 1948 + 1843 1843 ((( 1844 1844 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1845 1845 ))) 1846 1846 1847 1847 ((( 1848 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1849 -(% style="background-color:#dcdcdc" %)AT+FDR 1850 -(% style="background-color:#dcdcdc" %)123456 1851 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode 1852 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off 1853 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1854 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 1855 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 1856 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1857 -(% style="background-color:#dcdcdc" %)ATZ 1954 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1955 +(% style="background-color:#dcdcdc" %)AT+FDR(%%) Reset Parameters to Factory Default, Keys Reserve 1956 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1957 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode 1958 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off 1959 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band) 1960 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds 1961 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz 1962 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1963 +(% style="background-color:#dcdcdc" %)ATZ (%%) Reset MCU 1858 1858 ))) 1859 1859 1966 + 1860 1860 ((( 1861 1861 As shown in below: 1862 1862 ))) ... ... @@ -1873,11 +1873,11 @@ 1873 1873 == 5.5 Can i use point to point communication for LT-22222-L? == 1874 1874 1875 1875 Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1876 - 1877 - 1878 1878 ))) 1879 1879 1880 1880 ((( 1986 + 1987 + 1881 1881 = 6. Trouble Shooting = 1882 1882 ))) 1883 1883 ... ... @@ -1889,11 +1889,11 @@ 1889 1889 1890 1890 ((( 1891 1891 Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]] 1892 - 1893 - 1894 1894 ))) 1895 1895 1896 1896 ((( 2002 + 2003 + 1897 1897 == 6.2 Have trouble to upload image. == 1898 1898 ))) 1899 1899 ... ... @@ -1903,9 +1903,7 @@ 1903 1903 1904 1904 ((( 1905 1905 1906 -))) 1907 1907 1908 -((( 1909 1909 == 6.3 Why I can’t join TTN in US915 /AU915 bands? == 1910 1910 ))) 1911 1911 ... ... @@ -1913,147 +1913,55 @@ 1913 1913 It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1914 1914 ))) 1915 1915 1916 -((( 1917 - 1918 -))) 1919 1919 1920 - (((2022 + 1921 1921 = 7. Order Info = 1922 -))) 1923 1923 1924 -((( 1925 -((( 2025 + 1926 1926 (% style="color:#4f81bd" %)**LT-22222-L-XXX:** 1927 -))) 1928 -))) 1929 1929 1930 -((( 1931 -((( 2028 + 1932 1932 (% style="color:#4f81bd" %)**XXX:** 1933 -))) 1934 -))) 1935 1935 1936 -((( 1937 -* ((( 1938 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1939 -))) 1940 -))) 2031 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 2032 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 2033 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 2034 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 2035 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 2036 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 2037 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 2038 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 2039 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1941 1941 1942 -((( 1943 -* ((( 1944 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1945 -))) 1946 -))) 1947 - 1948 -((( 1949 -* ((( 1950 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1951 -))) 1952 -))) 1953 - 1954 -((( 1955 -* ((( 1956 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1957 -))) 1958 -))) 1959 - 1960 -((( 1961 -* ((( 1962 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1963 -))) 1964 -))) 1965 - 1966 -((( 1967 -* ((( 1968 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1969 -))) 1970 -))) 1971 - 1972 -((( 1973 -* ((( 1974 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1975 -))) 1976 -))) 1977 - 1978 -((( 1979 -* ((( 1980 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1981 -))) 1982 -))) 1983 - 1984 -((( 1985 -* ((( 1986 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1987 - 1988 - 1989 -))) 1990 - 1991 1991 = 8. Packing Info = 1992 -))) 1993 1993 1994 -((( 1995 -((( 2043 + 1996 1996 **Package Includes**: 1997 -))) 1998 -))) 1999 1999 2000 -((( 2001 -((( 2002 2002 * LT-22222-L I/O Controller x 1 2003 2003 * Stick Antenna for LoRa RF part x 1 2004 2004 * Bracket for controller x1 2005 2005 * Program cable x 1 2006 -))) 2007 -))) 2008 2008 2009 -((( 2010 -((( 2011 2011 **Dimension and weight**: 2012 -))) 2013 -))) 2014 2014 2015 -((( 2016 -((( 2017 2017 * Device Size: 13.5 x 7 x 3 cm 2018 2018 * Device Weight: 105g 2019 2019 * Package Size / pcs : 14.5 x 8 x 5 cm 2020 2020 * Weight / pcs : 170g 2021 2021 2022 - 2023 -))) 2024 -))) 2025 - 2026 -((( 2027 2027 = 9. Support = 2028 -))) 2029 2029 2030 2030 * ((( 2031 -((( 2032 2032 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. 2033 2033 ))) 2034 -))) 2035 2035 * ((( 2036 -((( 2037 -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 2064 +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]] 2038 2038 ))) 2039 -))) 2040 2040 2041 -((( 2042 -((( 2043 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2044 - 2045 - 2046 -))) 2047 - 2048 -((( 2049 2049 = 10. Reference = 2050 2050 2051 -* Product Page: 2052 - 2053 -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]] 2054 - 2069 +* 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]] 2055 2055 * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]] 2056 2056 * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 2057 2057 * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]] 2058 -))) 2059 -)))