Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.12 >
edited by Xiaoling
on 2022/06/10 08:39
To version < 77.82 >
edited by Xiaoling
on 2022/06/10 09:26
>
Change comment: There is no comment for this version

Summary

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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;
... ... @@ -338,8 +338,6 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -433,6 +433,7 @@
433 433  )))
434 434  
435 435  
421 +
436 436  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
437 437  
438 438  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -477,8 +477,11 @@
477 477  
478 478  )))
479 479  
466 +
467 +
480 480  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
481 481  
470 +
482 482  **LT22222-L**: This mode the DI1 is used as a counting pin.
483 483  
484 484  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.
... ... @@ -485,6 +485,7 @@
485 485  
486 486  [[image:image-20220523181903-8.png]]
487 487  
477 +
488 488  (((
489 489  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
490 490  )))
... ... @@ -500,6 +500,8 @@
500 500  )))
501 501  
502 502  (((
493 +
494 +
503 503  **To use this mode, please run:**
504 504  )))
505 505  
... ... @@ -526,6 +526,8 @@
526 526  )))
527 527  
528 528  (((
521 +
522 +
529 529  **Plus below command for AVI1 Counting:**
530 530  )))
531 531  
... ... @@ -558,13 +558,17 @@
558 558  )))
559 559  
560 560  
555 +
561 561  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
562 562  
558 +
563 563  **LT22222-L**: This mode the DI1 is used as a counting pin.
564 564  
565 565  [[image:image-20220523182334-9.png]]
566 566  
567 567  (((
564 +
565 +
568 568  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
569 569  )))
570 570  
... ... @@ -579,6 +579,8 @@
579 579  )))
580 580  
581 581  (((
580 +
581 +
582 582  **To use this mode, please run:**
583 583  )))
584 584  
... ... @@ -598,10 +598,10 @@
598 598  
599 599  (((
600 600  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
601 -
602 -
603 603  )))
604 604  
603 +
604 +
605 605  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
606 606  
607 607  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -611,11 +611,13 @@
611 611  * **AT+MOD=1 ** **~-~->** The normal working mode
612 612  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
613 613  
614 +
614 614  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
615 615  
616 616  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
617 617  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.**
618 618  
620 +
619 619  **AT Command to set Trigger Condition**:
620 620  
621 621  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -667,14 +667,17 @@
667 667  
668 668   Yy4 yy4: AC2 or AV2 high limit.
669 669  
672 +
670 670  **Example1**: AA 00 13 88 00 00 00 00 00 00
671 671  
672 672  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
673 673  
677 +
674 674  **Example2**: AA 02 01 00
675 675  
676 676  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
677 677  
682 +
678 678  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
679 679  
680 680  MOD6 Payload : total 11 bytes payload
... ... @@ -681,6 +681,7 @@
681 681  
682 682  [[image:image-20220524085923-1.png]]
683 683  
689 +
684 684  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
685 685  
686 686  [[image:image-20220524090106-2.png]]
... ... @@ -687,6 +687,7 @@
687 687  
688 688  * Each bits shows if the corresponding trigger has been configured.
689 689  
696 +
690 690  **Example:**
691 691  
692 692  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -698,6 +698,7 @@
698 698  
699 699  * Each bits shows which status has been trigger on this uplink.
700 700  
708 +
701 701  **Example:**
702 702  
703 703  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -709,6 +709,7 @@
709 709  
710 710  * Each bits shows which status has been trigger on this uplink.
711 711  
720 +
712 712  **Example:**
713 713  
714 714  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -725,6 +725,7 @@
725 725  When device got this command, it will send the MOD6 payload.
726 726  
727 727  
737 +
728 728  === 3.3.7 Payload Decoder ===
729 729  
730 730  (((
... ... @@ -733,6 +733,8 @@
733 733  
734 734  )))
735 735  
746 +
747 +
736 736  == 3.4 ​Configure LT via AT or Downlink ==
737 737  
738 738  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -745,11 +745,14 @@
745 745  
746 746  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
747 747  
760 +
761 +
748 748  === 3.4.1 Common Commands ===
749 749  
750 750  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]]
751 751  
752 752  
767 +
753 753  === 3.4.2 Sensor related commands ===
754 754  
755 755  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -765,6 +765,7 @@
765 765  
766 766  **Example: **AT+TDC=30000. Means set interval to 30 seconds
767 767  
783 +
768 768  * Downlink Payload (prefix 0x01):
769 769  
770 770  (% class="box infomessage" %)
... ... @@ -773,6 +773,7 @@
773 773  )))
774 774  
775 775  
792 +
776 776  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
777 777  
778 778  Set work mode.
... ... @@ -786,6 +786,7 @@
786 786  
787 787  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
788 788  
806 +
789 789  * Downlink Payload (prefix 0x0A):
790 790  
791 791  (% class="box infomessage" %)
... ... @@ -794,6 +794,7 @@
794 794  )))
795 795  
796 796  
815 +
797 797  ==== 3.4.2.3 Poll an uplink ====
798 798  
799 799  * AT Command:
... ... @@ -800,6 +800,7 @@
800 800  
801 801  There is no AT Command to poll uplink
802 802  
822 +
803 803  * Downlink Payload (prefix 0x08):
804 804  
805 805  (% class="box infomessage" %)
... ... @@ -810,6 +810,7 @@
810 810  **Example**: 0x08FF, ask device to send an Uplink
811 811  
812 812  
833 +
813 813  ==== 3.4.2.4 Enable Trigger Mode ====
814 814  
815 815  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -825,6 +825,7 @@
825 825  
826 826  0: Disable Trigger Mode
827 827  
849 +
828 828  * Downlink Payload (prefix 0x0A 06):
829 829  
830 830  (% class="box infomessage" %)
... ... @@ -833,6 +833,7 @@
833 833  )))
834 834  
835 835  
858 +
836 836  ==== 3.4.2.5 Poll trigger settings ====
837 837  
838 838  Poll trigger settings,
... ... @@ -841,6 +841,7 @@
841 841  
842 842  There is no AT Command for this feature.
843 843  
867 +
844 844  * Downlink Payload (prefix 0x AB 06):
845 845  
846 846  (% class="box infomessage" %)
... ... @@ -849,6 +849,7 @@
849 849  )))
850 850  
851 851  
876 +
852 852  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
853 853  
854 854  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -860,6 +860,7 @@
860 860  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
861 861  )))
862 862  
888 +
863 863  **Example:**
864 864  
865 865  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -872,6 +872,7 @@
872 872  )))
873 873  
874 874  
901 +
875 875  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
876 876  
877 877  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -887,10 +887,12 @@
887 887  
888 888  b : delay timing.
889 889  
917 +
890 890  **Example:**
891 891  
892 892  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
893 893  
922 +
894 894  * Downlink Payload (prefix 0x09 01 ):
895 895  
896 896  (% class="box infomessage" %)
... ... @@ -899,6 +899,7 @@
899 899  )))
900 900  
901 901  
931 +
902 902  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
903 903  
904 904  Set DI2 trigger.
... ... @@ -914,10 +914,12 @@
914 914  
915 915  b : delay timing.
916 916  
947 +
917 917  **Example:**
918 918  
919 919  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
920 920  
952 +
921 921  * Downlink Payload (prefix 0x09 02 ):
922 922  
923 923  (% class="box infomessage" %)
... ... @@ -926,6 +926,7 @@
926 926  )))
927 927  
928 928  
961 +
929 929  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
930 930  
931 931  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -937,6 +937,7 @@
937 937  **AT+ACLIM. **
938 938  )))
939 939  
973 +
940 940  * Downlink Payload (prefix 0xAA 01 ):
941 941  
942 942  (% class="box infomessage" %)
... ... @@ -945,6 +945,7 @@
945 945  )))
946 946  
947 947  
982 +
948 948  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
949 949  
950 950  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -956,6 +956,7 @@
956 956  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
957 957  )))
958 958  
994 +
959 959  * Downlink Payload (prefix 0xAA 00 ):
960 960  
961 961  (% class="box infomessage" %)
... ... @@ -964,6 +964,7 @@
964 964  )))
965 965  
966 966  
1003 +
967 967  ==== 3.4.2.11 Trigger – Set minimum interval ====
968 968  
969 969  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -975,6 +975,7 @@
975 975  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
976 976  )))
977 977  
1015 +
978 978  * Downlink Payload (prefix 0xAC ):
979 979  
980 980  (% class="box infomessage" %)
... ... @@ -983,6 +983,7 @@
983 983  )))
984 984  
985 985  
1024 +
986 986  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
987 987  
988 988  * AT Command:
... ... @@ -989,6 +989,7 @@
989 989  
990 990  There is no AT Command to control Digital Output
991 991  
1031 +
992 992  * Downlink Payload (prefix 0x02):
993 993  
994 994  (% class="box infomessage" %)
... ... @@ -1015,6 +1015,7 @@
1015 1015  )))
1016 1016  
1017 1017  
1058 +
1018 1018  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1019 1019  
1020 1020  * AT Command:
... ... @@ -1021,6 +1021,7 @@
1021 1021  
1022 1022  There is no AT Command to control Digital Output
1023 1023  
1065 +
1024 1024  * Downlink Payload (prefix 0xA9):
1025 1025  
1026 1026  (% class="box infomessage" %)
... ... @@ -1040,18 +1040,22 @@
1040 1040  
1041 1041  00: DO pins will change to an inverter state after timeout 
1042 1042  
1085 +
1043 1043  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1044 1044  
1045 1045  [[image:image-20220524093238-6.png]]
1046 1046  
1090 +
1047 1047  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1048 1048  
1049 1049  [[image:image-20220524093328-7.png]]
1050 1050  
1095 +
1051 1051  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1052 1052  
1053 1053  [[image:image-20220524093351-8.png]]
1054 1054  
1100 +
1055 1055  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1056 1056  
1057 1057   Latching time. Unit: ms
... ... @@ -1058,6 +1058,7 @@
1058 1058  
1059 1059  Device will upload a packet if downlink code executes successfully.
1060 1060  
1107 +
1061 1061  **Example payload:**
1062 1062  
1063 1063  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1077,12 +1077,14 @@
1077 1077  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
1078 1078  
1079 1079  
1080 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1081 1081  
1128 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1129 +
1082 1082  * AT Command:
1083 1083  
1084 1084  There is no AT Command to control Relay Output
1085 1085  
1134 +
1086 1086  * Downlink Payload (prefix 0x03):
1087 1087  
1088 1088  (% class="box infomessage" %)
... ... @@ -1105,6 +1105,7 @@
1105 1105  Device will upload a packet if downlink code executes successfully.
1106 1106  
1107 1107  
1157 +
1108 1108  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1109 1109  
1110 1110  * AT Command:
... ... @@ -1111,6 +1111,7 @@
1111 1111  
1112 1112  There is no AT Command to control Relay Output
1113 1113  
1164 +
1114 1114  * Downlink Payload (prefix 0x05):
1115 1115  
1116 1116  (% class="box infomessage" %)
... ... @@ -1128,14 +1128,17 @@
1128 1128  
1129 1129  00: Relays will change to an inverter state after timeout
1130 1130  
1182 +
1131 1131  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1132 1132  
1133 1133  [[image:image-20220524093831-10.png]]
1134 1134  
1187 +
1135 1135  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1136 1136  
1137 1137  Device will upload a packet if downlink code executes successfully.
1138 1138  
1192 +
1139 1139  **Example payload:**
1140 1140  
1141 1141  **~1. 05 01 11 07 D0**
... ... @@ -1155,6 +1155,7 @@
1155 1155  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1156 1156  
1157 1157  
1212 +
1158 1158  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1159 1159  
1160 1160  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1166,6 +1166,7 @@
1166 1166  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1167 1167  )))
1168 1168  
1224 +
1169 1169  * Downlink Payload (prefix 0xA5):
1170 1170  
1171 1171  (% class="box infomessage" %)
... ... @@ -1174,6 +1174,7 @@
1174 1174  )))
1175 1175  
1176 1176  
1233 +
1177 1177  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1178 1178  
1179 1179  * AT Command:
... ... @@ -1191,6 +1191,7 @@
1191 1191  
1192 1192  Bb cc dd ee: number to be set
1193 1193  
1251 +
1194 1194  * Downlink Payload (prefix 0xA8):
1195 1195  
1196 1196  (% class="box infomessage" %)
... ... @@ -1199,6 +1199,7 @@
1199 1199  )))
1200 1200  
1201 1201  
1260 +
1202 1202  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1203 1203  
1204 1204  Clear counting for counting mode
... ... @@ -1218,6 +1218,7 @@
1218 1218  )))
1219 1219  
1220 1220  
1280 +
1221 1221  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1222 1222  
1223 1223  * AT Command:
... ... @@ -1240,16 +1240,17 @@
1240 1240  
1241 1241  )))
1242 1242  
1303 +
1243 1243  == 3.5 Integrate with Mydevice ==
1244 1244  
1245 1245  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:
1246 1246  
1247 1247  (((
1248 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1309 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1249 1249  )))
1250 1250  
1251 1251  (((
1252 -**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:
1313 +(% 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:
1253 1253  )))
1254 1254  
1255 1255  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1256,12 +1256,13 @@
1256 1256  
1257 1257  [[image:image-20220524094641-11.png||height="390" width="723"]]
1258 1258  
1320 +
1259 1259  [[image:image-20220524094641-12.png||height="402" width="718"]]
1260 1260  
1261 1261  
1262 -**Step 3**: Create an account or log in Mydevices.
1324 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1263 1263  
1264 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1326 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1265 1265  
1266 1266  Search under The things network
1267 1267  
... ... @@ -1268,19 +1268,25 @@
1268 1268  [[image:1653356838789-523.png||height="337" width="740"]]
1269 1269  
1270 1270  
1333 +
1271 1271  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1272 1272  
1273 1273  [[image:image-20220524094909-1.png||height="335" width="729"]]
1274 1274  
1338 +
1275 1275  [[image:image-20220524094909-2.png||height="337" width="729"]]
1276 1276  
1341 +
1277 1277  [[image:image-20220524094909-3.png||height="338" width="727"]]
1278 1278  
1344 +
1279 1279  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1280 1280  
1347 +
1281 1281  [[image:image-20220524094909-5.png||height="341" width="734"]]
1282 1282  
1283 1283  
1351 +
1284 1284  == 3.6 Interface Detail ==
1285 1285  
1286 1286  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1290,6 +1290,7 @@
1290 1290  [[image:1653356991268-289.png]]
1291 1291  
1292 1292  
1361 +
1293 1293  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1294 1294  
1295 1295  (((
... ... @@ -1315,7 +1315,7 @@
1315 1315  )))
1316 1316  
1317 1317  (((
1318 -**Example1**: Connect to a Low active sensor.
1387 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1319 1319  )))
1320 1320  
1321 1321  (((
... ... @@ -1346,7 +1346,7 @@
1346 1346  )))
1347 1347  
1348 1348  (((
1349 -**Example2**: Connect to a High active sensor.
1418 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1350 1350  )))
1351 1351  
1352 1352  (((
... ... @@ -1377,7 +1377,7 @@
1377 1377  )))
1378 1378  
1379 1379  (((
1380 -**Example3**: Connect to a 220v high active sensor.
1449 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1381 1381  )))
1382 1382  
1383 1383  (((
... ... @@ -1404,6 +1404,7 @@
1404 1404  )))
1405 1405  
1406 1406  
1476 +
1407 1407  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1408 1408  
1409 1409  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1411,12 +1411,14 @@
1411 1411  [[image:1653357531600-905.png]]
1412 1412  
1413 1413  
1484 +
1414 1414  === 3.6.4 Analog Input Interface ===
1415 1415  
1416 1416  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:
1417 1417  
1418 -**AC2 = (IN2 voltage )/12**
1419 1419  
1490 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1491 +
1420 1420  [[image:1653357592296-182.png]]
1421 1421  
1422 1422  Example to connect a 4~~20mA sensor
... ... @@ -1423,22 +1423,24 @@
1423 1423  
1424 1424  We take the wind speed sensor as an example for reference only.
1425 1425  
1426 -Specifications of the wind speed sensor:
1427 1427  
1428 -Red:12~~24v
1499 +**Specifications of the wind speed sensor:**
1429 1429  
1430 -Yellow:4~~20mA
1501 +Red:  12~~24v
1431 1431  
1432 -Black:GND
1503 +Yellow:  4~~20mA
1433 1433  
1505 +Black:  GND
1434 1434  
1435 -Connection diagram:
1436 1436  
1508 +**Connection diagram:**
1509 +
1437 1437  [[image:1653357640609-758.png]]
1438 1438  
1439 1439  [[image:1653357648330-671.png||height="155" width="733"]]
1440 1440  
1441 1441  
1515 +
1442 1442  === 3.6.5 Relay Output ===
1443 1443  
1444 1444  (((
... ... @@ -1450,6 +1450,7 @@
1450 1450  [[image:image-20220524100215-10.png||height="382" width="723"]]
1451 1451  
1452 1452  
1527 +
1453 1453  == 3.7 LEDs Indicators ==
1454 1454  
1455 1455  [[image:image-20220524100748-11.png]]
... ... @@ -1463,6 +1463,7 @@
1463 1463  
1464 1464  [[image:1653358238933-385.png]]
1465 1465  
1541 +
1466 1466  (((
1467 1467  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:
1468 1468  )))
... ... @@ -1469,6 +1469,7 @@
1469 1469  
1470 1470  [[image:1653358355238-883.png]]
1471 1471  
1548 +
1472 1472  (((
1473 1473  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/]]
1474 1474  )))
... ... @@ -1659,12 +1659,16 @@
1659 1659  
1660 1660  )))
1661 1661  
1739 +
1740 +
1662 1662  == 4.2 Common AT Command Sequence ==
1663 1663  
1664 1664  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1665 1665  
1666 1666  (((
1667 -If device has not joined network yet:
1746 +
1747 +
1748 +**If device has not joined network yet:**
1668 1668  )))
1669 1669  
1670 1670  (((
... ... @@ -1689,7 +1689,7 @@
1689 1689  
1690 1690  
1691 1691  (((
1692 -If device already joined network:
1773 +**If device already joined network:**
1693 1693  )))
1694 1694  
1695 1695  (((
... ... @@ -1702,10 +1702,14 @@
1702 1702  
1703 1703  )))
1704 1704  
1786 +
1787 +
1705 1705  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1706 1706  
1707 1707  (((
1708 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1791 +
1792 +
1793 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1709 1709  )))
1710 1710  
1711 1711  (((
... ... @@ -1713,7 +1713,7 @@
1713 1713  )))
1714 1714  
1715 1715  (((
1716 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1801 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1717 1717  )))
1718 1718  
1719 1719  (((
... ... @@ -1721,39 +1721,41 @@
1721 1721  )))
1722 1722  
1723 1723  (((
1724 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1809 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1725 1725  )))
1726 1726  
1727 1727  (((
1728 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1813 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1729 1729  )))
1730 1730  
1731 1731  (((
1732 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1817 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1733 1733  )))
1734 1734  
1735 1735  (((
1736 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1821 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1737 1737  )))
1738 1738  
1739 1739  (((
1740 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1825 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1741 1741  )))
1742 1742  
1743 1743  (((
1744 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1829 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1745 1745  )))
1746 1746  
1747 1747  (((
1748 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1833 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1749 1749  )))
1750 1750  
1751 1751  (((
1752 -(% 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.
1837 +(% 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.
1753 1753  )))
1754 1754  
1755 1755  (((
1756 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1841 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1842 +
1843 +
1757 1757  )))
1758 1758  
1759 1759  (((
... ... @@ -1775,6 +1775,7 @@
1775 1775  
1776 1776  )))
1777 1777  
1865 +
1778 1778  === 4.2.3 Change to Class A ===
1779 1779  
1780 1780  If sensor JOINED
... ... @@ -1786,19 +1786,25 @@
1786 1786  
1787 1787  == 5.1 How to upgrade the image? ==
1788 1788  
1877 +
1789 1789  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1790 1790  
1791 1791  * Support new features
1792 1792  * For bug fix
1793 1793  * Change LoRaWAN bands.
1883 +
1794 1794  Below shows the hardware connection for how to upload an image to the LT:
1795 -* [[image:1653359603330-121.png]]
1796 1796  
1886 +[[image:1653359603330-121.png]]
1887 +
1888 +
1797 1797  (((
1798 -**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]].
1799 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1800 -**Step3: **Open flashloader; choose the correct COM port to update.
1801 -**For LT-22222-L**:
1890 +(% 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]].
1891 +(% 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/]].
1892 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1893 +
1894 +
1895 +(% style="color:blue" %)**For LT-22222-L**(%%):
1802 1802  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.
1803 1803  )))
1804 1804  
... ... @@ -1808,6 +1808,7 @@
1808 1808  
1809 1809  [[image:image-20220524104033-15.png]]
1810 1810  
1905 +
1811 1811  (% 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:
1812 1812  
1813 1813  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1815,6 +1815,8 @@
1815 1815  
1816 1816  (((
1817 1817  (((
1913 +
1914 +
1818 1818  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1819 1819  )))
1820 1820  )))
... ... @@ -1821,11 +1821,11 @@
1821 1821  
1822 1822  (((
1823 1823  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1824 -
1825 -
1826 1826  )))
1827 1827  
1828 1828  (((
1924 +
1925 +
1829 1829  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1830 1830  )))
1831 1831  
... ... @@ -1838,6 +1838,8 @@
1838 1838  (((
1839 1839  (((
1840 1840  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1938 +
1939 +
1841 1841  )))
1842 1842  )))
1843 1843  
... ... @@ -1853,23 +1853,25 @@
1853 1853  (% 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.
1854 1854  )))
1855 1855  
1955 +
1856 1856  (((
1857 1857  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1858 1858  )))
1859 1859  
1860 1860  (((
1861 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1862 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1863 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1864 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1865 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1866 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1867 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1868 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1869 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1870 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1961 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1962 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1963 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1964 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1965 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1966 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1967 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1968 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1969 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1970 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1871 1871  )))
1872 1872  
1973 +
1873 1873  (((
1874 1874  As shown in below:
1875 1875  )))
... ... @@ -1886,11 +1886,11 @@
1886 1886  == 5.5 Can i use point to point communication for LT-22222-L? ==
1887 1887  
1888 1888  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1889 -
1890 -
1891 1891  )))
1892 1892  
1893 1893  (((
1993 +
1994 +
1894 1894  = 6. Trouble Shooting =
1895 1895  )))
1896 1896  
... ... @@ -1902,11 +1902,11 @@
1902 1902  
1903 1903  (((
1904 1904  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1905 -
1906 -
1907 1907  )))
1908 1908  
1909 1909  (((
2009 +
2010 +
1910 1910  == 6.2 Have trouble to upload image. ==
1911 1911  )))
1912 1912  
... ... @@ -1916,9 +1916,7 @@
1916 1916  
1917 1917  (((
1918 1918  
1919 -)))
1920 1920  
1921 -(((
1922 1922  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1923 1923  )))
1924 1924  
... ... @@ -1926,147 +1926,55 @@
1926 1926  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1927 1927  )))
1928 1928  
1929 -(((
1930 -
1931 -)))
1932 1932  
1933 -(((
2029 +
1934 1934  = 7. Order Info =
1935 -)))
1936 1936  
1937 -(((
1938 -(((
2032 +
1939 1939  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1940 -)))
1941 -)))
1942 1942  
1943 -(((
1944 -(((
2035 +
1945 1945  (% style="color:#4f81bd" %)**XXX:**
1946 -)))
1947 -)))
1948 1948  
1949 -(((
1950 -* (((
1951 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1952 -)))
1953 -)))
2038 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2039 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2040 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2041 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2042 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2043 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2044 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2045 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2046 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1954 1954  
1955 -(((
1956 -* (((
1957 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1958 -)))
1959 -)))
1960 -
1961 -(((
1962 -* (((
1963 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1964 -)))
1965 -)))
1966 -
1967 -(((
1968 -* (((
1969 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1970 -)))
1971 -)))
1972 -
1973 -(((
1974 -* (((
1975 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1976 -)))
1977 -)))
1978 -
1979 -(((
1980 -* (((
1981 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1982 -)))
1983 -)))
1984 -
1985 -(((
1986 -* (((
1987 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1988 -)))
1989 -)))
1990 -
1991 -(((
1992 -* (((
1993 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1994 -)))
1995 -)))
1996 -
1997 -(((
1998 -* (((
1999 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2000 -
2001 -
2002 -)))
2003 -
2004 2004  = 8. Packing Info =
2005 -)))
2006 2006  
2007 -(((
2008 -(((
2050 +
2009 2009  **Package Includes**:
2010 -)))
2011 -)))
2012 2012  
2013 -(((
2014 -(((
2015 2015  * LT-22222-L I/O Controller x 1
2016 2016  * Stick Antenna for LoRa RF part x 1
2017 2017  * Bracket for controller x1
2018 2018  * Program cable x 1
2019 -)))
2020 -)))
2021 2021  
2022 -(((
2023 -(((
2024 2024  **Dimension and weight**:
2025 -)))
2026 -)))
2027 2027  
2028 -(((
2029 -(((
2030 2030  * Device Size: 13.5 x 7 x 3 cm
2031 2031  * Device Weight: 105g
2032 2032  * Package Size / pcs : 14.5 x 8 x 5 cm
2033 2033  * Weight / pcs : 170g
2034 2034  
2035 -
2036 -)))
2037 -)))
2038 -
2039 -(((
2040 2040  = 9. Support =
2041 -)))
2042 2042  
2043 2043  * (((
2044 -(((
2045 2045  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.
2046 2046  )))
2047 -)))
2048 2048  * (((
2049 -(((
2050 -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
2071 +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]]
2051 2051  )))
2052 -)))
2053 2053  
2054 -(((
2055 -(((
2056 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2057 -
2058 -
2059 -)))
2060 -
2061 -(((
2062 2062  = 10. Reference​​​​​ =
2063 2063  
2064 -* Product Page:
2065 -
2066 -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]]
2067 -
2076 +* 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]]
2068 2068  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2069 2069  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2070 2070  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2071 -)))
2072 -)))

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