Last modified by Mengting Qiu on 2025/06/04 18:42

From version 77.1
edited by Edwin Chen
on 2022/06/02 15:25
Change comment: There is no comment for this version
To version 77.78
edited by Xiaoling
on 2022/06/10 09:25
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -11,6 +11,9 @@
11 11  
12 12  
13 13  
14 +
15 +
16 +
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
... ... @@ -48,6 +48,8 @@
48 48  == 1.2  Specifications ==
49 49  
50 50  (((
54 +
55 +
51 51  **Hardware System:**
52 52  )))
53 53  
... ... @@ -200,6 +200,7 @@
200 200  [[image:1653297104069-180.png]]
201 201  
202 202  
208 +
203 203  = 3. Operation Mode =
204 204  
205 205  == 3.1 How it works? ==
... ... @@ -214,6 +214,8 @@
214 214  
215 215  )))
216 216  
223 +
224 +
217 217  == 3.2 Example to join LoRaWAN network ==
218 218  
219 219  (((
... ... @@ -255,6 +255,7 @@
255 255  [[image:1653298044601-602.png||height="405" width="709"]]
256 256  
257 257  
266 +
258 258  == 3.3 Uplink Payload ==
259 259  
260 260  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -409,6 +409,7 @@
409 409  )))
410 410  
411 411  
421 +
412 412  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
413 413  
414 414  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -453,6 +453,8 @@
453 453  
454 454  )))
455 455  
466 +
467 +
456 456  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
457 457  
458 458  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -534,6 +534,7 @@
534 534  )))
535 535  
536 536  
549 +
537 537  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
538 538  
539 539  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -574,10 +574,10 @@
574 574  
575 575  (((
576 576  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
577 -
578 -
579 579  )))
580 580  
592 +
593 +
581 581  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
582 582  
583 583  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -587,11 +587,13 @@
587 587  * **AT+MOD=1 ** **~-~->** The normal working mode
588 588  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
589 589  
603 +
590 590  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
591 591  
592 592  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
593 593  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.**
594 594  
609 +
595 595  **AT Command to set Trigger Condition**:
596 596  
597 597  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -643,14 +643,17 @@
643 643  
644 644   Yy4 yy4: AC2 or AV2 high limit.
645 645  
661 +
646 646  **Example1**: AA 00 13 88 00 00 00 00 00 00
647 647  
648 648  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
649 649  
666 +
650 650  **Example2**: AA 02 01 00
651 651  
652 652  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
653 653  
671 +
654 654  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
655 655  
656 656  MOD6 Payload : total 11 bytes payload
... ... @@ -657,6 +657,7 @@
657 657  
658 658  [[image:image-20220524085923-1.png]]
659 659  
678 +
660 660  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
661 661  
662 662  [[image:image-20220524090106-2.png]]
... ... @@ -663,6 +663,7 @@
663 663  
664 664  * Each bits shows if the corresponding trigger has been configured.
665 665  
685 +
666 666  **Example:**
667 667  
668 668  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -674,6 +674,7 @@
674 674  
675 675  * Each bits shows which status has been trigger on this uplink.
676 676  
697 +
677 677  **Example:**
678 678  
679 679  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -685,6 +685,7 @@
685 685  
686 686  * Each bits shows which status has been trigger on this uplink.
687 687  
709 +
688 688  **Example:**
689 689  
690 690  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -701,6 +701,7 @@
701 701  When device got this command, it will send the MOD6 payload.
702 702  
703 703  
726 +
704 704  === 3.3.7 Payload Decoder ===
705 705  
706 706  (((
... ... @@ -709,6 +709,8 @@
709 709  
710 710  )))
711 711  
735 +
736 +
712 712  == 3.4 ​Configure LT via AT or Downlink ==
713 713  
714 714  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -721,11 +721,14 @@
721 721  
722 722  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
723 723  
749 +
750 +
724 724  === 3.4.1 Common Commands ===
725 725  
726 726  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]]
727 727  
728 728  
756 +
729 729  === 3.4.2 Sensor related commands ===
730 730  
731 731  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -741,6 +741,7 @@
741 741  
742 742  **Example: **AT+TDC=30000. Means set interval to 30 seconds
743 743  
772 +
744 744  * Downlink Payload (prefix 0x01):
745 745  
746 746  (% class="box infomessage" %)
... ... @@ -749,6 +749,7 @@
749 749  )))
750 750  
751 751  
781 +
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
754 754  Set work mode.
... ... @@ -762,6 +762,7 @@
762 762  
763 763  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
764 764  
795 +
765 765  * Downlink Payload (prefix 0x0A):
766 766  
767 767  (% class="box infomessage" %)
... ... @@ -770,6 +770,7 @@
770 770  )))
771 771  
772 772  
804 +
773 773  ==== 3.4.2.3 Poll an uplink ====
774 774  
775 775  * AT Command:
... ... @@ -776,6 +776,7 @@
776 776  
777 777  There is no AT Command to poll uplink
778 778  
811 +
779 779  * Downlink Payload (prefix 0x08):
780 780  
781 781  (% class="box infomessage" %)
... ... @@ -786,6 +786,7 @@
786 786  **Example**: 0x08FF, ask device to send an Uplink
787 787  
788 788  
822 +
789 789  ==== 3.4.2.4 Enable Trigger Mode ====
790 790  
791 791  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -801,6 +801,7 @@
801 801  
802 802  0: Disable Trigger Mode
803 803  
838 +
804 804  * Downlink Payload (prefix 0x0A 06):
805 805  
806 806  (% class="box infomessage" %)
... ... @@ -809,6 +809,7 @@
809 809  )))
810 810  
811 811  
847 +
812 812  ==== 3.4.2.5 Poll trigger settings ====
813 813  
814 814  Poll trigger settings,
... ... @@ -817,6 +817,7 @@
817 817  
818 818  There is no AT Command for this feature.
819 819  
856 +
820 820  * Downlink Payload (prefix 0x AB 06):
821 821  
822 822  (% class="box infomessage" %)
... ... @@ -825,6 +825,7 @@
825 825  )))
826 826  
827 827  
865 +
828 828  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
829 829  
830 830  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -836,6 +836,7 @@
836 836  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
837 837  )))
838 838  
877 +
839 839  **Example:**
840 840  
841 841  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -848,6 +848,7 @@
848 848  )))
849 849  
850 850  
890 +
851 851  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
852 852  
853 853  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -863,10 +863,12 @@
863 863  
864 864  b : delay timing.
865 865  
906 +
866 866  **Example:**
867 867  
868 868  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
869 869  
911 +
870 870  * Downlink Payload (prefix 0x09 01 ):
871 871  
872 872  (% class="box infomessage" %)
... ... @@ -875,6 +875,7 @@
875 875  )))
876 876  
877 877  
920 +
878 878  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
879 879  
880 880  Set DI2 trigger.
... ... @@ -890,10 +890,12 @@
890 890  
891 891  b : delay timing.
892 892  
936 +
893 893  **Example:**
894 894  
895 895  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
896 896  
941 +
897 897  * Downlink Payload (prefix 0x09 02 ):
898 898  
899 899  (% class="box infomessage" %)
... ... @@ -902,6 +902,7 @@
902 902  )))
903 903  
904 904  
950 +
905 905  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
906 906  
907 907  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -913,6 +913,7 @@
913 913  **AT+ACLIM. **
914 914  )))
915 915  
962 +
916 916  * Downlink Payload (prefix 0xAA 01 ):
917 917  
918 918  (% class="box infomessage" %)
... ... @@ -921,6 +921,7 @@
921 921  )))
922 922  
923 923  
971 +
924 924  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
925 925  
926 926  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -932,6 +932,7 @@
932 932  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
933 933  )))
934 934  
983 +
935 935  * Downlink Payload (prefix 0xAA 00 ):
936 936  
937 937  (% class="box infomessage" %)
... ... @@ -940,6 +940,7 @@
940 940  )))
941 941  
942 942  
992 +
943 943  ==== 3.4.2.11 Trigger – Set minimum interval ====
944 944  
945 945  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -951,6 +951,7 @@
951 951  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
952 952  )))
953 953  
1004 +
954 954  * Downlink Payload (prefix 0xAC ):
955 955  
956 956  (% class="box infomessage" %)
... ... @@ -959,6 +959,7 @@
959 959  )))
960 960  
961 961  
1013 +
962 962  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
963 963  
964 964  * AT Command:
... ... @@ -965,6 +965,7 @@
965 965  
966 966  There is no AT Command to control Digital Output
967 967  
1020 +
968 968  * Downlink Payload (prefix 0x02):
969 969  
970 970  (% class="box infomessage" %)
... ... @@ -991,6 +991,7 @@
991 991  )))
992 992  
993 993  
1047 +
994 994  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
995 995  
996 996  * AT Command:
... ... @@ -997,6 +997,7 @@
997 997  
998 998  There is no AT Command to control Digital Output
999 999  
1054 +
1000 1000  * Downlink Payload (prefix 0xA9):
1001 1001  
1002 1002  (% class="box infomessage" %)
... ... @@ -1016,18 +1016,22 @@
1016 1016  
1017 1017  00: DO pins will change to an inverter state after timeout 
1018 1018  
1074 +
1019 1019  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1020 1020  
1021 1021  [[image:image-20220524093238-6.png]]
1022 1022  
1079 +
1023 1023  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1024 1024  
1025 1025  [[image:image-20220524093328-7.png]]
1026 1026  
1084 +
1027 1027  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1028 1028  
1029 1029  [[image:image-20220524093351-8.png]]
1030 1030  
1089 +
1031 1031  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1032 1032  
1033 1033   Latching time. Unit: ms
... ... @@ -1034,6 +1034,7 @@
1034 1034  
1035 1035  Device will upload a packet if downlink code executes successfully.
1036 1036  
1096 +
1037 1037  **Example payload:**
1038 1038  
1039 1039  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1053,12 +1053,14 @@
1053 1053  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
1054 1054  
1055 1055  
1056 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1057 1057  
1117 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1118 +
1058 1058  * AT Command:
1059 1059  
1060 1060  There is no AT Command to control Relay Output
1061 1061  
1123 +
1062 1062  * Downlink Payload (prefix 0x03):
1063 1063  
1064 1064  (% class="box infomessage" %)
... ... @@ -1081,6 +1081,7 @@
1081 1081  Device will upload a packet if downlink code executes successfully.
1082 1082  
1083 1083  
1146 +
1084 1084  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1085 1085  
1086 1086  * AT Command:
... ... @@ -1087,6 +1087,7 @@
1087 1087  
1088 1088  There is no AT Command to control Relay Output
1089 1089  
1153 +
1090 1090  * Downlink Payload (prefix 0x05):
1091 1091  
1092 1092  (% class="box infomessage" %)
... ... @@ -1104,14 +1104,17 @@
1104 1104  
1105 1105  00: Relays will change to an inverter state after timeout
1106 1106  
1171 +
1107 1107  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1108 1108  
1109 1109  [[image:image-20220524093831-10.png]]
1110 1110  
1176 +
1111 1111  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1112 1112  
1113 1113  Device will upload a packet if downlink code executes successfully.
1114 1114  
1181 +
1115 1115  **Example payload:**
1116 1116  
1117 1117  **~1. 05 01 11 07 D0**
... ... @@ -1131,6 +1131,7 @@
1131 1131  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1132 1132  
1133 1133  
1201 +
1134 1134  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1135 1135  
1136 1136  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1142,6 +1142,7 @@
1142 1142  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1143 1143  )))
1144 1144  
1213 +
1145 1145  * Downlink Payload (prefix 0xA5):
1146 1146  
1147 1147  (% class="box infomessage" %)
... ... @@ -1150,6 +1150,7 @@
1150 1150  )))
1151 1151  
1152 1152  
1222 +
1153 1153  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1154 1154  
1155 1155  * AT Command:
... ... @@ -1167,6 +1167,7 @@
1167 1167  
1168 1168  Bb cc dd ee: number to be set
1169 1169  
1240 +
1170 1170  * Downlink Payload (prefix 0xA8):
1171 1171  
1172 1172  (% class="box infomessage" %)
... ... @@ -1175,6 +1175,7 @@
1175 1175  )))
1176 1176  
1177 1177  
1249 +
1178 1178  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1179 1179  
1180 1180  Clear counting for counting mode
... ... @@ -1194,6 +1194,7 @@
1194 1194  )))
1195 1195  
1196 1196  
1269 +
1197 1197  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1198 1198  
1199 1199  * AT Command:
... ... @@ -1216,16 +1216,17 @@
1216 1216  
1217 1217  )))
1218 1218  
1292 +
1219 1219  == 3.5 Integrate with Mydevice ==
1220 1220  
1221 1221  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:
1222 1222  
1223 1223  (((
1224 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1298 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1225 1225  )))
1226 1226  
1227 1227  (((
1228 -**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:
1302 +(% 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:
1229 1229  )))
1230 1230  
1231 1231  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1232,12 +1232,13 @@
1232 1232  
1233 1233  [[image:image-20220524094641-11.png||height="390" width="723"]]
1234 1234  
1309 +
1235 1235  [[image:image-20220524094641-12.png||height="402" width="718"]]
1236 1236  
1237 1237  
1238 -**Step 3**: Create an account or log in Mydevices.
1313 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1239 1239  
1240 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1315 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1241 1241  
1242 1242  Search under The things network
1243 1243  
... ... @@ -1244,19 +1244,25 @@
1244 1244  [[image:1653356838789-523.png||height="337" width="740"]]
1245 1245  
1246 1246  
1322 +
1247 1247  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1248 1248  
1249 1249  [[image:image-20220524094909-1.png||height="335" width="729"]]
1250 1250  
1327 +
1251 1251  [[image:image-20220524094909-2.png||height="337" width="729"]]
1252 1252  
1330 +
1253 1253  [[image:image-20220524094909-3.png||height="338" width="727"]]
1254 1254  
1333 +
1255 1255  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1256 1256  
1336 +
1257 1257  [[image:image-20220524094909-5.png||height="341" width="734"]]
1258 1258  
1259 1259  
1340 +
1260 1260  == 3.6 Interface Detail ==
1261 1261  
1262 1262  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1266,6 +1266,7 @@
1266 1266  [[image:1653356991268-289.png]]
1267 1267  
1268 1268  
1350 +
1269 1269  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1270 1270  
1271 1271  (((
... ... @@ -1291,7 +1291,7 @@
1291 1291  )))
1292 1292  
1293 1293  (((
1294 -**Example1**: Connect to a Low active sensor.
1376 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1295 1295  )))
1296 1296  
1297 1297  (((
... ... @@ -1322,7 +1322,7 @@
1322 1322  )))
1323 1323  
1324 1324  (((
1325 -**Example2**: Connect to a High active sensor.
1407 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1326 1326  )))
1327 1327  
1328 1328  (((
... ... @@ -1353,7 +1353,7 @@
1353 1353  )))
1354 1354  
1355 1355  (((
1356 -**Example3**: Connect to a 220v high active sensor.
1438 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1357 1357  )))
1358 1358  
1359 1359  (((
... ... @@ -1380,6 +1380,7 @@
1380 1380  )))
1381 1381  
1382 1382  
1465 +
1383 1383  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1384 1384  
1385 1385  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1387,12 +1387,14 @@
1387 1387  [[image:1653357531600-905.png]]
1388 1388  
1389 1389  
1473 +
1390 1390  === 3.6.4 Analog Input Interface ===
1391 1391  
1392 1392  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:
1393 1393  
1394 -**AC2 = (IN2 voltage )/12**
1395 1395  
1479 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1480 +
1396 1396  [[image:1653357592296-182.png]]
1397 1397  
1398 1398  Example to connect a 4~~20mA sensor
... ... @@ -1399,22 +1399,24 @@
1399 1399  
1400 1400  We take the wind speed sensor as an example for reference only.
1401 1401  
1402 -Specifications of the wind speed sensor:
1403 1403  
1404 -Red:12~~24v
1488 +**Specifications of the wind speed sensor:**
1405 1405  
1406 -Yellow:4~~20mA
1490 +Red:  12~~24v
1407 1407  
1408 -Black:GND
1492 +Yellow:  4~~20mA
1409 1409  
1494 +Black:  GND
1410 1410  
1411 -Connection diagram:
1412 1412  
1497 +**Connection diagram:**
1498 +
1413 1413  [[image:1653357640609-758.png]]
1414 1414  
1415 1415  [[image:1653357648330-671.png||height="155" width="733"]]
1416 1416  
1417 1417  
1504 +
1418 1418  === 3.6.5 Relay Output ===
1419 1419  
1420 1420  (((
... ... @@ -1426,6 +1426,7 @@
1426 1426  [[image:image-20220524100215-10.png||height="382" width="723"]]
1427 1427  
1428 1428  
1516 +
1429 1429  == 3.7 LEDs Indicators ==
1430 1430  
1431 1431  [[image:image-20220524100748-11.png]]
... ... @@ -1439,6 +1439,7 @@
1439 1439  
1440 1440  [[image:1653358238933-385.png]]
1441 1441  
1530 +
1442 1442  (((
1443 1443  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:
1444 1444  )))
... ... @@ -1445,6 +1445,7 @@
1445 1445  
1446 1446  [[image:1653358355238-883.png]]
1447 1447  
1537 +
1448 1448  (((
1449 1449  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/]]
1450 1450  )))
... ... @@ -1635,12 +1635,16 @@
1635 1635  
1636 1636  )))
1637 1637  
1728 +
1729 +
1638 1638  == 4.2 Common AT Command Sequence ==
1639 1639  
1640 1640  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1641 1641  
1642 1642  (((
1643 -If device has not joined network yet:
1735 +
1736 +
1737 +**If device has not joined network yet:**
1644 1644  )))
1645 1645  
1646 1646  (((
... ... @@ -1665,7 +1665,7 @@
1665 1665  
1666 1666  
1667 1667  (((
1668 -If device already joined network:
1762 +**If device already joined network:**
1669 1669  )))
1670 1670  
1671 1671  (((
... ... @@ -1678,10 +1678,14 @@
1678 1678  
1679 1679  )))
1680 1680  
1775 +
1776 +
1681 1681  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1682 1682  
1683 1683  (((
1684 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1780 +
1781 +
1782 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1685 1685  )))
1686 1686  
1687 1687  (((
... ... @@ -1689,7 +1689,7 @@
1689 1689  )))
1690 1690  
1691 1691  (((
1692 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1790 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1693 1693  )))
1694 1694  
1695 1695  (((
... ... @@ -1697,39 +1697,41 @@
1697 1697  )))
1698 1698  
1699 1699  (((
1700 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1798 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1701 1701  )))
1702 1702  
1703 1703  (((
1704 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1802 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1705 1705  )))
1706 1706  
1707 1707  (((
1708 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1806 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1709 1709  )))
1710 1710  
1711 1711  (((
1712 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1810 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1713 1713  )))
1714 1714  
1715 1715  (((
1716 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1814 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1717 1717  )))
1718 1718  
1719 1719  (((
1720 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1818 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1721 1721  )))
1722 1722  
1723 1723  (((
1724 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1822 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1725 1725  )))
1726 1726  
1727 1727  (((
1728 -(% 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.
1826 +(% 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.
1729 1729  )))
1730 1730  
1731 1731  (((
1732 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1830 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1831 +
1832 +
1733 1733  )))
1734 1734  
1735 1735  (((
... ... @@ -1751,6 +1751,7 @@
1751 1751  
1752 1752  )))
1753 1753  
1854 +
1754 1754  === 4.2.3 Change to Class A ===
1755 1755  
1756 1756  If sensor JOINED
... ... @@ -1762,19 +1762,25 @@
1762 1762  
1763 1763  == 5.1 How to upgrade the image? ==
1764 1764  
1866 +
1765 1765  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1766 1766  
1767 1767  * Support new features
1768 1768  * For bug fix
1769 1769  * Change LoRaWAN bands.
1872 +
1770 1770  Below shows the hardware connection for how to upload an image to the LT:
1771 -* [[image:1653359603330-121.png]]
1772 1772  
1875 +[[image:1653359603330-121.png]]
1876 +
1877 +
1773 1773  (((
1774 -**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]].
1775 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1776 -**Step3: **Open flashloader; choose the correct COM port to update.
1777 -**For LT-22222-L**:
1879 +(% 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]].
1880 +(% 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/]].
1881 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1882 +
1883 +
1884 +(% style="color:blue" %)**For LT-22222-L**(%%):
1778 1778  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.
1779 1779  )))
1780 1780  
... ... @@ -1784,6 +1784,7 @@
1784 1784  
1785 1785  [[image:image-20220524104033-15.png]]
1786 1786  
1894 +
1787 1787  (% 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:
1788 1788  
1789 1789  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1791,6 +1791,8 @@
1791 1791  
1792 1792  (((
1793 1793  (((
1902 +
1903 +
1794 1794  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1795 1795  )))
1796 1796  )))
... ... @@ -1797,11 +1797,11 @@
1797 1797  
1798 1798  (((
1799 1799  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1800 -
1801 -
1802 1802  )))
1803 1803  
1804 1804  (((
1913 +
1914 +
1805 1805  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1806 1806  )))
1807 1807  
... ... @@ -1814,6 +1814,8 @@
1814 1814  (((
1815 1815  (((
1816 1816  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1927 +
1928 +
1817 1817  )))
1818 1818  )))
1819 1819  
... ... @@ -1829,23 +1829,25 @@
1829 1829  (% 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.
1830 1830  )))
1831 1831  
1944 +
1832 1832  (((
1833 1833  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1834 1834  )))
1835 1835  
1836 1836  (((
1837 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1838 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1839 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1840 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1841 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1842 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1843 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1844 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1845 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1846 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1950 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1951 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1952 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1953 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1954 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1955 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1956 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1957 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1958 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1959 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1847 1847  )))
1848 1848  
1962 +
1849 1849  (((
1850 1850  As shown in below:
1851 1851  )))
... ... @@ -1862,11 +1862,11 @@
1862 1862  == 5.5 Can i use point to point communication for LT-22222-L? ==
1863 1863  
1864 1864  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1865 -
1866 -
1867 1867  )))
1868 1868  
1869 1869  (((
1982 +
1983 +
1870 1870  = 6. Trouble Shooting =
1871 1871  )))
1872 1872  
... ... @@ -1878,11 +1878,11 @@
1878 1878  
1879 1879  (((
1880 1880  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1881 -
1882 -
1883 1883  )))
1884 1884  
1885 1885  (((
1998 +
1999 +
1886 1886  == 6.2 Have trouble to upload image. ==
1887 1887  )))
1888 1888  
... ... @@ -1892,9 +1892,7 @@
1892 1892  
1893 1893  (((
1894 1894  
1895 -)))
1896 1896  
1897 -(((
1898 1898  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1899 1899  )))
1900 1900  
... ... @@ -1902,147 +1902,55 @@
1902 1902  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1903 1903  )))
1904 1904  
1905 -(((
1906 -
1907 -)))
1908 1908  
1909 -(((
2018 +
1910 1910  = 7. Order Info =
1911 -)))
1912 1912  
1913 -(((
1914 -(((
2021 +
1915 1915  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1916 -)))
1917 -)))
1918 1918  
1919 -(((
1920 -(((
2024 +
1921 1921  (% style="color:#4f81bd" %)**XXX:**
1922 -)))
1923 -)))
1924 1924  
1925 -(((
1926 -* (((
1927 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1928 -)))
1929 -)))
2027 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2028 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2029 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2030 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2031 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2032 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2033 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2034 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2035 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1930 1930  
1931 -(((
1932 -* (((
1933 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1934 -)))
1935 -)))
1936 -
1937 -(((
1938 -* (((
1939 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1940 -)))
1941 -)))
1942 -
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 1980  = 8. Packing Info =
1981 -)))
1982 1982  
1983 -(((
1984 -(((
2039 +
1985 1985  **Package Includes**:
1986 -)))
1987 -)))
1988 1988  
1989 -(((
1990 -(((
1991 1991  * LT-22222-L I/O Controller x 1
1992 1992  * Stick Antenna for LoRa RF part x 1
1993 1993  * Bracket for controller x1
1994 1994  * Program cable x 1
1995 -)))
1996 -)))
1997 1997  
1998 -(((
1999 -(((
2000 2000  **Dimension and weight**:
2001 -)))
2002 -)))
2003 2003  
2004 -(((
2005 -(((
2006 2006  * Device Size: 13.5 x 7 x 3 cm
2007 2007  * Device Weight: 105g
2008 2008  * Package Size / pcs : 14.5 x 8 x 5 cm
2009 2009  * Weight / pcs : 170g
2010 2010  
2011 -
2012 -)))
2013 -)))
2014 -
2015 -(((
2016 2016  = 9. Support =
2017 -)))
2018 2018  
2019 2019  * (((
2020 -(((
2021 2021  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.
2022 2022  )))
2023 -)))
2024 2024  * (((
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
2060 +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]]
2027 2027  )))
2028 -)))
2029 2029  
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 -(((
2038 2038  = 10. Reference​​​​​ =
2039 2039  
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 -
2065 +* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2044 2044  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2045 2045  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2046 2046  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2047 -)))
2048 -)))