Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.11 >
edited by Xiaoling
on 2022/06/10 08:39
To version < 77.83 >
edited by Xiaoling
on 2022/06/10 09:26
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -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
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -431,6 +431,7 @@
431 431  )))
432 432  
433 433  
421 +
434 434  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
435 435  
436 436  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -475,8 +475,11 @@
475 475  
476 476  )))
477 477  
466 +
467 +
478 478  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
479 479  
470 +
480 480  **LT22222-L**: This mode the DI1 is used as a counting pin.
481 481  
482 482  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.
... ... @@ -483,6 +483,7 @@
483 483  
484 484  [[image:image-20220523181903-8.png]]
485 485  
477 +
486 486  (((
487 487  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
488 488  )))
... ... @@ -498,6 +498,8 @@
498 498  )))
499 499  
500 500  (((
493 +
494 +
501 501  **To use this mode, please run:**
502 502  )))
503 503  
... ... @@ -524,6 +524,8 @@
524 524  )))
525 525  
526 526  (((
521 +
522 +
527 527  **Plus below command for AVI1 Counting:**
528 528  )))
529 529  
... ... @@ -556,13 +556,17 @@
556 556  )))
557 557  
558 558  
555 +
559 559  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
560 560  
558 +
561 561  **LT22222-L**: This mode the DI1 is used as a counting pin.
562 562  
563 563  [[image:image-20220523182334-9.png]]
564 564  
565 565  (((
564 +
565 +
566 566  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
567 567  )))
568 568  
... ... @@ -577,6 +577,8 @@
577 577  )))
578 578  
579 579  (((
580 +
581 +
580 580  **To use this mode, please run:**
581 581  )))
582 582  
... ... @@ -596,12 +596,13 @@
596 596  
597 597  (((
598 598  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
599 -
600 -
601 601  )))
602 602  
603 +
604 +
603 603  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
604 604  
607 +
605 605  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
606 606  
607 607  For example, if user has configured below commands:
... ... @@ -609,11 +609,13 @@
609 609  * **AT+MOD=1 ** **~-~->** The normal working mode
610 610  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
611 611  
615 +
612 612  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
613 613  
614 614  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
615 615  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
616 616  
621 +
617 617  **AT Command to set Trigger Condition**:
618 618  
619 619  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -665,14 +665,17 @@
665 665  
666 666   Yy4 yy4: AC2 or AV2 high limit.
667 667  
673 +
668 668  **Example1**: AA 00 13 88 00 00 00 00 00 00
669 669  
670 670  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
671 671  
678 +
672 672  **Example2**: AA 02 01 00
673 673  
674 674  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
675 675  
683 +
676 676  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
677 677  
678 678  MOD6 Payload : total 11 bytes payload
... ... @@ -679,6 +679,7 @@
679 679  
680 680  [[image:image-20220524085923-1.png]]
681 681  
690 +
682 682  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
683 683  
684 684  [[image:image-20220524090106-2.png]]
... ... @@ -685,6 +685,7 @@
685 685  
686 686  * Each bits shows if the corresponding trigger has been configured.
687 687  
697 +
688 688  **Example:**
689 689  
690 690  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -696,6 +696,7 @@
696 696  
697 697  * Each bits shows which status has been trigger on this uplink.
698 698  
709 +
699 699  **Example:**
700 700  
701 701  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -707,6 +707,7 @@
707 707  
708 708  * Each bits shows which status has been trigger on this uplink.
709 709  
721 +
710 710  **Example:**
711 711  
712 712  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -723,6 +723,7 @@
723 723  When device got this command, it will send the MOD6 payload.
724 724  
725 725  
738 +
726 726  === 3.3.7 Payload Decoder ===
727 727  
728 728  (((
... ... @@ -731,6 +731,8 @@
731 731  
732 732  )))
733 733  
747 +
748 +
734 734  == 3.4 ​Configure LT via AT or Downlink ==
735 735  
736 736  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -743,11 +743,14 @@
743 743  
744 744  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
745 745  
761 +
762 +
746 746  === 3.4.1 Common Commands ===
747 747  
748 748  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]]
749 749  
750 750  
768 +
751 751  === 3.4.2 Sensor related commands ===
752 752  
753 753  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -763,6 +763,7 @@
763 763  
764 764  **Example: **AT+TDC=30000. Means set interval to 30 seconds
765 765  
784 +
766 766  * Downlink Payload (prefix 0x01):
767 767  
768 768  (% class="box infomessage" %)
... ... @@ -771,6 +771,7 @@
771 771  )))
772 772  
773 773  
793 +
774 774  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
775 775  
776 776  Set work mode.
... ... @@ -784,6 +784,7 @@
784 784  
785 785  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
786 786  
807 +
787 787  * Downlink Payload (prefix 0x0A):
788 788  
789 789  (% class="box infomessage" %)
... ... @@ -792,6 +792,7 @@
792 792  )))
793 793  
794 794  
816 +
795 795  ==== 3.4.2.3 Poll an uplink ====
796 796  
797 797  * AT Command:
... ... @@ -798,6 +798,7 @@
798 798  
799 799  There is no AT Command to poll uplink
800 800  
823 +
801 801  * Downlink Payload (prefix 0x08):
802 802  
803 803  (% class="box infomessage" %)
... ... @@ -808,6 +808,7 @@
808 808  **Example**: 0x08FF, ask device to send an Uplink
809 809  
810 810  
834 +
811 811  ==== 3.4.2.4 Enable Trigger Mode ====
812 812  
813 813  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -823,6 +823,7 @@
823 823  
824 824  0: Disable Trigger Mode
825 825  
850 +
826 826  * Downlink Payload (prefix 0x0A 06):
827 827  
828 828  (% class="box infomessage" %)
... ... @@ -831,6 +831,7 @@
831 831  )))
832 832  
833 833  
859 +
834 834  ==== 3.4.2.5 Poll trigger settings ====
835 835  
836 836  Poll trigger settings,
... ... @@ -839,6 +839,7 @@
839 839  
840 840  There is no AT Command for this feature.
841 841  
868 +
842 842  * Downlink Payload (prefix 0x AB 06):
843 843  
844 844  (% class="box infomessage" %)
... ... @@ -847,6 +847,7 @@
847 847  )))
848 848  
849 849  
877 +
850 850  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
851 851  
852 852  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -858,6 +858,7 @@
858 858  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
859 859  )))
860 860  
889 +
861 861  **Example:**
862 862  
863 863  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -870,6 +870,7 @@
870 870  )))
871 871  
872 872  
902 +
873 873  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
874 874  
875 875  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -885,10 +885,12 @@
885 885  
886 886  b : delay timing.
887 887  
918 +
888 888  **Example:**
889 889  
890 890  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
891 891  
923 +
892 892  * Downlink Payload (prefix 0x09 01 ):
893 893  
894 894  (% class="box infomessage" %)
... ... @@ -897,6 +897,7 @@
897 897  )))
898 898  
899 899  
932 +
900 900  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
901 901  
902 902  Set DI2 trigger.
... ... @@ -912,10 +912,12 @@
912 912  
913 913  b : delay timing.
914 914  
948 +
915 915  **Example:**
916 916  
917 917  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
918 918  
953 +
919 919  * Downlink Payload (prefix 0x09 02 ):
920 920  
921 921  (% class="box infomessage" %)
... ... @@ -924,6 +924,7 @@
924 924  )))
925 925  
926 926  
962 +
927 927  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
928 928  
929 929  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -935,6 +935,7 @@
935 935  **AT+ACLIM. **
936 936  )))
937 937  
974 +
938 938  * Downlink Payload (prefix 0xAA 01 ):
939 939  
940 940  (% class="box infomessage" %)
... ... @@ -943,6 +943,7 @@
943 943  )))
944 944  
945 945  
983 +
946 946  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
947 947  
948 948  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -954,6 +954,7 @@
954 954  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
955 955  )))
956 956  
995 +
957 957  * Downlink Payload (prefix 0xAA 00 ):
958 958  
959 959  (% class="box infomessage" %)
... ... @@ -962,6 +962,7 @@
962 962  )))
963 963  
964 964  
1004 +
965 965  ==== 3.4.2.11 Trigger – Set minimum interval ====
966 966  
967 967  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -973,6 +973,7 @@
973 973  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
974 974  )))
975 975  
1016 +
976 976  * Downlink Payload (prefix 0xAC ):
977 977  
978 978  (% class="box infomessage" %)
... ... @@ -981,6 +981,7 @@
981 981  )))
982 982  
983 983  
1025 +
984 984  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
985 985  
986 986  * AT Command:
... ... @@ -987,6 +987,7 @@
987 987  
988 988  There is no AT Command to control Digital Output
989 989  
1032 +
990 990  * Downlink Payload (prefix 0x02):
991 991  
992 992  (% class="box infomessage" %)
... ... @@ -1013,6 +1013,7 @@
1013 1013  )))
1014 1014  
1015 1015  
1059 +
1016 1016  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1017 1017  
1018 1018  * AT Command:
... ... @@ -1019,6 +1019,7 @@
1019 1019  
1020 1020  There is no AT Command to control Digital Output
1021 1021  
1066 +
1022 1022  * Downlink Payload (prefix 0xA9):
1023 1023  
1024 1024  (% class="box infomessage" %)
... ... @@ -1038,18 +1038,22 @@
1038 1038  
1039 1039  00: DO pins will change to an inverter state after timeout 
1040 1040  
1086 +
1041 1041  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1042 1042  
1043 1043  [[image:image-20220524093238-6.png]]
1044 1044  
1091 +
1045 1045  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1046 1046  
1047 1047  [[image:image-20220524093328-7.png]]
1048 1048  
1096 +
1049 1049  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1050 1050  
1051 1051  [[image:image-20220524093351-8.png]]
1052 1052  
1101 +
1053 1053  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1054 1054  
1055 1055   Latching time. Unit: ms
... ... @@ -1056,6 +1056,7 @@
1056 1056  
1057 1057  Device will upload a packet if downlink code executes successfully.
1058 1058  
1108 +
1059 1059  **Example payload:**
1060 1060  
1061 1061  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1075,12 +1075,14 @@
1075 1075  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
1076 1076  
1077 1077  
1078 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1079 1079  
1129 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1130 +
1080 1080  * AT Command:
1081 1081  
1082 1082  There is no AT Command to control Relay Output
1083 1083  
1135 +
1084 1084  * Downlink Payload (prefix 0x03):
1085 1085  
1086 1086  (% class="box infomessage" %)
... ... @@ -1103,6 +1103,7 @@
1103 1103  Device will upload a packet if downlink code executes successfully.
1104 1104  
1105 1105  
1158 +
1106 1106  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1107 1107  
1108 1108  * AT Command:
... ... @@ -1109,6 +1109,7 @@
1109 1109  
1110 1110  There is no AT Command to control Relay Output
1111 1111  
1165 +
1112 1112  * Downlink Payload (prefix 0x05):
1113 1113  
1114 1114  (% class="box infomessage" %)
... ... @@ -1126,14 +1126,17 @@
1126 1126  
1127 1127  00: Relays will change to an inverter state after timeout
1128 1128  
1183 +
1129 1129  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1130 1130  
1131 1131  [[image:image-20220524093831-10.png]]
1132 1132  
1188 +
1133 1133  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1134 1134  
1135 1135  Device will upload a packet if downlink code executes successfully.
1136 1136  
1193 +
1137 1137  **Example payload:**
1138 1138  
1139 1139  **~1. 05 01 11 07 D0**
... ... @@ -1153,6 +1153,7 @@
1153 1153  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1154 1154  
1155 1155  
1213 +
1156 1156  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1157 1157  
1158 1158  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1164,6 +1164,7 @@
1164 1164  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1165 1165  )))
1166 1166  
1225 +
1167 1167  * Downlink Payload (prefix 0xA5):
1168 1168  
1169 1169  (% class="box infomessage" %)
... ... @@ -1172,6 +1172,7 @@
1172 1172  )))
1173 1173  
1174 1174  
1234 +
1175 1175  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1176 1176  
1177 1177  * AT Command:
... ... @@ -1189,6 +1189,7 @@
1189 1189  
1190 1190  Bb cc dd ee: number to be set
1191 1191  
1252 +
1192 1192  * Downlink Payload (prefix 0xA8):
1193 1193  
1194 1194  (% class="box infomessage" %)
... ... @@ -1197,6 +1197,7 @@
1197 1197  )))
1198 1198  
1199 1199  
1261 +
1200 1200  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1201 1201  
1202 1202  Clear counting for counting mode
... ... @@ -1216,6 +1216,7 @@
1216 1216  )))
1217 1217  
1218 1218  
1281 +
1219 1219  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1220 1220  
1221 1221  * AT Command:
... ... @@ -1238,16 +1238,17 @@
1238 1238  
1239 1239  )))
1240 1240  
1304 +
1241 1241  == 3.5 Integrate with Mydevice ==
1242 1242  
1243 1243  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:
1244 1244  
1245 1245  (((
1246 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1310 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1247 1247  )))
1248 1248  
1249 1249  (((
1250 -**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1314 +(% 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:
1251 1251  )))
1252 1252  
1253 1253  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1254,12 +1254,13 @@
1254 1254  
1255 1255  [[image:image-20220524094641-11.png||height="390" width="723"]]
1256 1256  
1321 +
1257 1257  [[image:image-20220524094641-12.png||height="402" width="718"]]
1258 1258  
1259 1259  
1260 -**Step 3**: Create an account or log in Mydevices.
1325 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1261 1261  
1262 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1327 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1263 1263  
1264 1264  Search under The things network
1265 1265  
... ... @@ -1266,19 +1266,25 @@
1266 1266  [[image:1653356838789-523.png||height="337" width="740"]]
1267 1267  
1268 1268  
1334 +
1269 1269  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1270 1270  
1271 1271  [[image:image-20220524094909-1.png||height="335" width="729"]]
1272 1272  
1339 +
1273 1273  [[image:image-20220524094909-2.png||height="337" width="729"]]
1274 1274  
1342 +
1275 1275  [[image:image-20220524094909-3.png||height="338" width="727"]]
1276 1276  
1345 +
1277 1277  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1278 1278  
1348 +
1279 1279  [[image:image-20220524094909-5.png||height="341" width="734"]]
1280 1280  
1281 1281  
1352 +
1282 1282  == 3.6 Interface Detail ==
1283 1283  
1284 1284  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1288,6 +1288,7 @@
1288 1288  [[image:1653356991268-289.png]]
1289 1289  
1290 1290  
1362 +
1291 1291  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1292 1292  
1293 1293  (((
... ... @@ -1313,7 +1313,7 @@
1313 1313  )))
1314 1314  
1315 1315  (((
1316 -**Example1**: Connect to a Low active sensor.
1388 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1317 1317  )))
1318 1318  
1319 1319  (((
... ... @@ -1344,7 +1344,7 @@
1344 1344  )))
1345 1345  
1346 1346  (((
1347 -**Example2**: Connect to a High active sensor.
1419 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1348 1348  )))
1349 1349  
1350 1350  (((
... ... @@ -1375,7 +1375,7 @@
1375 1375  )))
1376 1376  
1377 1377  (((
1378 -**Example3**: Connect to a 220v high active sensor.
1450 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1379 1379  )))
1380 1380  
1381 1381  (((
... ... @@ -1402,6 +1402,7 @@
1402 1402  )))
1403 1403  
1404 1404  
1477 +
1405 1405  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1406 1406  
1407 1407  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1409,12 +1409,14 @@
1409 1409  [[image:1653357531600-905.png]]
1410 1410  
1411 1411  
1485 +
1412 1412  === 3.6.4 Analog Input Interface ===
1413 1413  
1414 1414  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:
1415 1415  
1416 -**AC2 = (IN2 voltage )/12**
1417 1417  
1491 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1492 +
1418 1418  [[image:1653357592296-182.png]]
1419 1419  
1420 1420  Example to connect a 4~~20mA sensor
... ... @@ -1421,22 +1421,24 @@
1421 1421  
1422 1422  We take the wind speed sensor as an example for reference only.
1423 1423  
1424 -Specifications of the wind speed sensor:
1425 1425  
1426 -Red:12~~24v
1500 +**Specifications of the wind speed sensor:**
1427 1427  
1428 -Yellow:4~~20mA
1502 +Red:  12~~24v
1429 1429  
1430 -Black:GND
1504 +Yellow:  4~~20mA
1431 1431  
1506 +Black:  GND
1432 1432  
1433 -Connection diagram:
1434 1434  
1509 +**Connection diagram:**
1510 +
1435 1435  [[image:1653357640609-758.png]]
1436 1436  
1437 1437  [[image:1653357648330-671.png||height="155" width="733"]]
1438 1438  
1439 1439  
1516 +
1440 1440  === 3.6.5 Relay Output ===
1441 1441  
1442 1442  (((
... ... @@ -1448,6 +1448,7 @@
1448 1448  [[image:image-20220524100215-10.png||height="382" width="723"]]
1449 1449  
1450 1450  
1528 +
1451 1451  == 3.7 LEDs Indicators ==
1452 1452  
1453 1453  [[image:image-20220524100748-11.png]]
... ... @@ -1461,6 +1461,7 @@
1461 1461  
1462 1462  [[image:1653358238933-385.png]]
1463 1463  
1542 +
1464 1464  (((
1465 1465  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:
1466 1466  )))
... ... @@ -1467,6 +1467,7 @@
1467 1467  
1468 1468  [[image:1653358355238-883.png]]
1469 1469  
1549 +
1470 1470  (((
1471 1471  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/]]
1472 1472  )))
... ... @@ -1657,12 +1657,16 @@
1657 1657  
1658 1658  )))
1659 1659  
1740 +
1741 +
1660 1660  == 4.2 Common AT Command Sequence ==
1661 1661  
1662 1662  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1663 1663  
1664 1664  (((
1665 -If device has not joined network yet:
1747 +
1748 +
1749 +**If device has not joined network yet:**
1666 1666  )))
1667 1667  
1668 1668  (((
... ... @@ -1687,7 +1687,7 @@
1687 1687  
1688 1688  
1689 1689  (((
1690 -If device already joined network:
1774 +**If device already joined network:**
1691 1691  )))
1692 1692  
1693 1693  (((
... ... @@ -1700,10 +1700,14 @@
1700 1700  
1701 1701  )))
1702 1702  
1787 +
1788 +
1703 1703  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1704 1704  
1705 1705  (((
1706 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1792 +
1793 +
1794 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1707 1707  )))
1708 1708  
1709 1709  (((
... ... @@ -1711,7 +1711,7 @@
1711 1711  )))
1712 1712  
1713 1713  (((
1714 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1802 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1715 1715  )))
1716 1716  
1717 1717  (((
... ... @@ -1719,39 +1719,41 @@
1719 1719  )))
1720 1720  
1721 1721  (((
1722 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1810 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1723 1723  )))
1724 1724  
1725 1725  (((
1726 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1814 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1727 1727  )))
1728 1728  
1729 1729  (((
1730 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1818 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1731 1731  )))
1732 1732  
1733 1733  (((
1734 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1822 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1735 1735  )))
1736 1736  
1737 1737  (((
1738 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1826 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1739 1739  )))
1740 1740  
1741 1741  (((
1742 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1830 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1743 1743  )))
1744 1744  
1745 1745  (((
1746 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1834 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1747 1747  )))
1748 1748  
1749 1749  (((
1750 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1838 +(% 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.
1751 1751  )))
1752 1752  
1753 1753  (((
1754 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1842 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1843 +
1844 +
1755 1755  )))
1756 1756  
1757 1757  (((
... ... @@ -1773,6 +1773,7 @@
1773 1773  
1774 1774  )))
1775 1775  
1866 +
1776 1776  === 4.2.3 Change to Class A ===
1777 1777  
1778 1778  If sensor JOINED
... ... @@ -1784,19 +1784,25 @@
1784 1784  
1785 1785  == 5.1 How to upgrade the image? ==
1786 1786  
1878 +
1787 1787  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1788 1788  
1789 1789  * Support new features
1790 1790  * For bug fix
1791 1791  * Change LoRaWAN bands.
1884 +
1792 1792  Below shows the hardware connection for how to upload an image to the LT:
1793 -* [[image:1653359603330-121.png]]
1794 1794  
1887 +[[image:1653359603330-121.png]]
1888 +
1889 +
1795 1795  (((
1796 -**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]].
1797 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1798 -**Step3: **Open flashloader; choose the correct COM port to update.
1799 -**For LT-22222-L**:
1891 +(% 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]].
1892 +(% 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/]].
1893 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1894 +
1895 +
1896 +(% style="color:blue" %)**For LT-22222-L**(%%):
1800 1800  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.
1801 1801  )))
1802 1802  
... ... @@ -1806,6 +1806,7 @@
1806 1806  
1807 1807  [[image:image-20220524104033-15.png]]
1808 1808  
1906 +
1809 1809  (% 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:
1810 1810  
1811 1811  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1813,6 +1813,8 @@
1813 1813  
1814 1814  (((
1815 1815  (((
1914 +
1915 +
1816 1816  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1817 1817  )))
1818 1818  )))
... ... @@ -1819,11 +1819,11 @@
1819 1819  
1820 1820  (((
1821 1821  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1822 -
1823 -
1824 1824  )))
1825 1825  
1826 1826  (((
1925 +
1926 +
1827 1827  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1828 1828  )))
1829 1829  
... ... @@ -1836,6 +1836,8 @@
1836 1836  (((
1837 1837  (((
1838 1838  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1939 +
1940 +
1839 1839  )))
1840 1840  )))
1841 1841  
... ... @@ -1851,23 +1851,25 @@
1851 1851  (% 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.
1852 1852  )))
1853 1853  
1956 +
1854 1854  (((
1855 1855  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1856 1856  )))
1857 1857  
1858 1858  (((
1859 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1860 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1861 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1862 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1863 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1864 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1865 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1866 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1867 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1868 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1962 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1963 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1964 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1965 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1966 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1967 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1968 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1969 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1970 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1971 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1869 1869  )))
1870 1870  
1974 +
1871 1871  (((
1872 1872  As shown in below:
1873 1873  )))
... ... @@ -1884,11 +1884,11 @@
1884 1884  == 5.5 Can i use point to point communication for LT-22222-L? ==
1885 1885  
1886 1886  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1887 -
1888 -
1889 1889  )))
1890 1890  
1891 1891  (((
1994 +
1995 +
1892 1892  = 6. Trouble Shooting =
1893 1893  )))
1894 1894  
... ... @@ -1900,11 +1900,11 @@
1900 1900  
1901 1901  (((
1902 1902  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1903 -
1904 -
1905 1905  )))
1906 1906  
1907 1907  (((
2010 +
2011 +
1908 1908  == 6.2 Have trouble to upload image. ==
1909 1909  )))
1910 1910  
... ... @@ -1914,9 +1914,7 @@
1914 1914  
1915 1915  (((
1916 1916  
1917 -)))
1918 1918  
1919 -(((
1920 1920  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1921 1921  )))
1922 1922  
... ... @@ -1924,147 +1924,55 @@
1924 1924  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1925 1925  )))
1926 1926  
1927 -(((
1928 -
1929 -)))
1930 1930  
1931 -(((
2030 +
1932 1932  = 7. Order Info =
1933 -)))
1934 1934  
1935 -(((
1936 -(((
2033 +
1937 1937  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1938 -)))
1939 -)))
1940 1940  
1941 -(((
1942 -(((
2036 +
1943 1943  (% style="color:#4f81bd" %)**XXX:**
1944 -)))
1945 -)))
1946 1946  
1947 -(((
1948 -* (((
1949 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1950 -)))
1951 -)))
2039 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2040 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2041 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2042 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2043 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2044 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2045 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2046 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2047 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1952 1952  
1953 -(((
1954 -* (((
1955 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1956 -)))
1957 -)))
1958 -
1959 -(((
1960 -* (((
1961 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1962 -)))
1963 -)))
1964 -
1965 -(((
1966 -* (((
1967 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1968 -)))
1969 -)))
1970 -
1971 -(((
1972 -* (((
1973 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1974 -)))
1975 -)))
1976 -
1977 -(((
1978 -* (((
1979 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1980 -)))
1981 -)))
1982 -
1983 -(((
1984 -* (((
1985 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1986 -)))
1987 -)))
1988 -
1989 -(((
1990 -* (((
1991 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1992 -)))
1993 -)))
1994 -
1995 -(((
1996 -* (((
1997 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1998 -
1999 -
2000 -)))
2001 -
2002 2002  = 8. Packing Info =
2003 -)))
2004 2004  
2005 -(((
2006 -(((
2051 +
2007 2007  **Package Includes**:
2008 -)))
2009 -)))
2010 2010  
2011 -(((
2012 -(((
2013 2013  * LT-22222-L I/O Controller x 1
2014 2014  * Stick Antenna for LoRa RF part x 1
2015 2015  * Bracket for controller x1
2016 2016  * Program cable x 1
2017 -)))
2018 -)))
2019 2019  
2020 -(((
2021 -(((
2022 2022  **Dimension and weight**:
2023 -)))
2024 -)))
2025 2025  
2026 -(((
2027 -(((
2028 2028  * Device Size: 13.5 x 7 x 3 cm
2029 2029  * Device Weight: 105g
2030 2030  * Package Size / pcs : 14.5 x 8 x 5 cm
2031 2031  * Weight / pcs : 170g
2032 2032  
2033 -
2034 -)))
2035 -)))
2036 -
2037 -(((
2038 2038  = 9. Support =
2039 -)))
2040 2040  
2041 2041  * (((
2042 -(((
2043 2043  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.
2044 2044  )))
2045 -)))
2046 2046  * (((
2047 -(((
2048 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
2072 +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]]
2049 2049  )))
2050 -)))
2051 2051  
2052 -(((
2053 -(((
2054 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2055 -
2056 -
2057 -)))
2058 -
2059 -(((
2060 2060  = 10. Reference​​​​​ =
2061 2061  
2062 -* Product Page:
2063 -
2064 -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]]
2065 -
2077 +* 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]]
2066 2066  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2067 2067  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2068 2068  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2069 -)))
2070 -)))

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0