Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.13 >
edited by Xiaoling
on 2022/06/10 08:39
To version < 77.81 >
edited by Xiaoling
on 2022/06/10 09:25
>
Change comment: There is no comment for this version

Summary

Details

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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.
... ... @@ -478,6 +478,8 @@
478 478  
479 479  )))
480 480  
466 +
467 +
481 481  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
482 482  
483 483  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -501,6 +501,8 @@
501 501  )))
502 502  
503 503  (((
491 +
492 +
504 504  **To use this mode, please run:**
505 505  )))
506 506  
... ... @@ -527,6 +527,8 @@
527 527  )))
528 528  
529 529  (((
519 +
520 +
530 530  **Plus below command for AVI1 Counting:**
531 531  )))
532 532  
... ... @@ -559,13 +559,17 @@
559 559  )))
560 560  
561 561  
553 +
562 562  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
563 563  
556 +
564 564  **LT22222-L**: This mode the DI1 is used as a counting pin.
565 565  
566 566  [[image:image-20220523182334-9.png]]
567 567  
568 568  (((
562 +
563 +
569 569  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
570 570  )))
571 571  
... ... @@ -580,6 +580,8 @@
580 580  )))
581 581  
582 582  (((
578 +
579 +
583 583  **To use this mode, please run:**
584 584  )))
585 585  
... ... @@ -599,10 +599,10 @@
599 599  
600 600  (((
601 601  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
602 -
603 -
604 604  )))
605 605  
601 +
602 +
606 606  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
607 607  
608 608  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -612,11 +612,13 @@
612 612  * **AT+MOD=1 ** **~-~->** The normal working mode
613 613  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
614 614  
612 +
615 615  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
616 616  
617 617  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
618 618  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.**
619 619  
618 +
620 620  **AT Command to set Trigger Condition**:
621 621  
622 622  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -668,14 +668,17 @@
668 668  
669 669   Yy4 yy4: AC2 or AV2 high limit.
670 670  
670 +
671 671  **Example1**: AA 00 13 88 00 00 00 00 00 00
672 672  
673 673  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
674 674  
675 +
675 675  **Example2**: AA 02 01 00
676 676  
677 677  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
678 678  
680 +
679 679  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
680 680  
681 681  MOD6 Payload : total 11 bytes payload
... ... @@ -682,6 +682,7 @@
682 682  
683 683  [[image:image-20220524085923-1.png]]
684 684  
687 +
685 685  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
686 686  
687 687  [[image:image-20220524090106-2.png]]
... ... @@ -688,6 +688,7 @@
688 688  
689 689  * Each bits shows if the corresponding trigger has been configured.
690 690  
694 +
691 691  **Example:**
692 692  
693 693  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -699,6 +699,7 @@
699 699  
700 700  * Each bits shows which status has been trigger on this uplink.
701 701  
706 +
702 702  **Example:**
703 703  
704 704  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -710,6 +710,7 @@
710 710  
711 711  * Each bits shows which status has been trigger on this uplink.
712 712  
718 +
713 713  **Example:**
714 714  
715 715  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -726,6 +726,7 @@
726 726  When device got this command, it will send the MOD6 payload.
727 727  
728 728  
735 +
729 729  === 3.3.7 Payload Decoder ===
730 730  
731 731  (((
... ... @@ -734,6 +734,8 @@
734 734  
735 735  )))
736 736  
744 +
745 +
737 737  == 3.4 ​Configure LT via AT or Downlink ==
738 738  
739 739  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -746,11 +746,14 @@
746 746  
747 747  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
748 748  
758 +
759 +
749 749  === 3.4.1 Common Commands ===
750 750  
751 751  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]]
752 752  
753 753  
765 +
754 754  === 3.4.2 Sensor related commands ===
755 755  
756 756  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -766,6 +766,7 @@
766 766  
767 767  **Example: **AT+TDC=30000. Means set interval to 30 seconds
768 768  
781 +
769 769  * Downlink Payload (prefix 0x01):
770 770  
771 771  (% class="box infomessage" %)
... ... @@ -774,6 +774,7 @@
774 774  )))
775 775  
776 776  
790 +
777 777  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
778 778  
779 779  Set work mode.
... ... @@ -787,6 +787,7 @@
787 787  
788 788  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
789 789  
804 +
790 790  * Downlink Payload (prefix 0x0A):
791 791  
792 792  (% class="box infomessage" %)
... ... @@ -795,6 +795,7 @@
795 795  )))
796 796  
797 797  
813 +
798 798  ==== 3.4.2.3 Poll an uplink ====
799 799  
800 800  * AT Command:
... ... @@ -801,6 +801,7 @@
801 801  
802 802  There is no AT Command to poll uplink
803 803  
820 +
804 804  * Downlink Payload (prefix 0x08):
805 805  
806 806  (% class="box infomessage" %)
... ... @@ -811,6 +811,7 @@
811 811  **Example**: 0x08FF, ask device to send an Uplink
812 812  
813 813  
831 +
814 814  ==== 3.4.2.4 Enable Trigger Mode ====
815 815  
816 816  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -826,6 +826,7 @@
826 826  
827 827  0: Disable Trigger Mode
828 828  
847 +
829 829  * Downlink Payload (prefix 0x0A 06):
830 830  
831 831  (% class="box infomessage" %)
... ... @@ -834,6 +834,7 @@
834 834  )))
835 835  
836 836  
856 +
837 837  ==== 3.4.2.5 Poll trigger settings ====
838 838  
839 839  Poll trigger settings,
... ... @@ -842,6 +842,7 @@
842 842  
843 843  There is no AT Command for this feature.
844 844  
865 +
845 845  * Downlink Payload (prefix 0x AB 06):
846 846  
847 847  (% class="box infomessage" %)
... ... @@ -850,6 +850,7 @@
850 850  )))
851 851  
852 852  
874 +
853 853  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
854 854  
855 855  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -861,6 +861,7 @@
861 861  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
862 862  )))
863 863  
886 +
864 864  **Example:**
865 865  
866 866  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -873,6 +873,7 @@
873 873  )))
874 874  
875 875  
899 +
876 876  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
877 877  
878 878  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -888,10 +888,12 @@
888 888  
889 889  b : delay timing.
890 890  
915 +
891 891  **Example:**
892 892  
893 893  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
894 894  
920 +
895 895  * Downlink Payload (prefix 0x09 01 ):
896 896  
897 897  (% class="box infomessage" %)
... ... @@ -900,6 +900,7 @@
900 900  )))
901 901  
902 902  
929 +
903 903  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
904 904  
905 905  Set DI2 trigger.
... ... @@ -915,10 +915,12 @@
915 915  
916 916  b : delay timing.
917 917  
945 +
918 918  **Example:**
919 919  
920 920  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
921 921  
950 +
922 922  * Downlink Payload (prefix 0x09 02 ):
923 923  
924 924  (% class="box infomessage" %)
... ... @@ -927,6 +927,7 @@
927 927  )))
928 928  
929 929  
959 +
930 930  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
931 931  
932 932  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -938,6 +938,7 @@
938 938  **AT+ACLIM. **
939 939  )))
940 940  
971 +
941 941  * Downlink Payload (prefix 0xAA 01 ):
942 942  
943 943  (% class="box infomessage" %)
... ... @@ -946,6 +946,7 @@
946 946  )))
947 947  
948 948  
980 +
949 949  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
950 950  
951 951  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -957,6 +957,7 @@
957 957  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
958 958  )))
959 959  
992 +
960 960  * Downlink Payload (prefix 0xAA 00 ):
961 961  
962 962  (% class="box infomessage" %)
... ... @@ -965,6 +965,7 @@
965 965  )))
966 966  
967 967  
1001 +
968 968  ==== 3.4.2.11 Trigger – Set minimum interval ====
969 969  
970 970  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -976,6 +976,7 @@
976 976  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
977 977  )))
978 978  
1013 +
979 979  * Downlink Payload (prefix 0xAC ):
980 980  
981 981  (% class="box infomessage" %)
... ... @@ -984,6 +984,7 @@
984 984  )))
985 985  
986 986  
1022 +
987 987  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
988 988  
989 989  * AT Command:
... ... @@ -990,6 +990,7 @@
990 990  
991 991  There is no AT Command to control Digital Output
992 992  
1029 +
993 993  * Downlink Payload (prefix 0x02):
994 994  
995 995  (% class="box infomessage" %)
... ... @@ -1016,6 +1016,7 @@
1016 1016  )))
1017 1017  
1018 1018  
1056 +
1019 1019  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1020 1020  
1021 1021  * AT Command:
... ... @@ -1022,6 +1022,7 @@
1022 1022  
1023 1023  There is no AT Command to control Digital Output
1024 1024  
1063 +
1025 1025  * Downlink Payload (prefix 0xA9):
1026 1026  
1027 1027  (% class="box infomessage" %)
... ... @@ -1041,18 +1041,22 @@
1041 1041  
1042 1042  00: DO pins will change to an inverter state after timeout 
1043 1043  
1083 +
1044 1044  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1045 1045  
1046 1046  [[image:image-20220524093238-6.png]]
1047 1047  
1088 +
1048 1048  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1049 1049  
1050 1050  [[image:image-20220524093328-7.png]]
1051 1051  
1093 +
1052 1052  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1053 1053  
1054 1054  [[image:image-20220524093351-8.png]]
1055 1055  
1098 +
1056 1056  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1057 1057  
1058 1058   Latching time. Unit: ms
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  Device will upload a packet if downlink code executes successfully.
1061 1061  
1105 +
1062 1062  **Example payload:**
1063 1063  
1064 1064  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1078,12 +1078,14 @@
1078 1078  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
1079 1079  
1080 1080  
1081 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1082 1082  
1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 +
1083 1083  * AT Command:
1084 1084  
1085 1085  There is no AT Command to control Relay Output
1086 1086  
1132 +
1087 1087  * Downlink Payload (prefix 0x03):
1088 1088  
1089 1089  (% class="box infomessage" %)
... ... @@ -1106,6 +1106,7 @@
1106 1106  Device will upload a packet if downlink code executes successfully.
1107 1107  
1108 1108  
1155 +
1109 1109  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1110 1110  
1111 1111  * AT Command:
... ... @@ -1112,6 +1112,7 @@
1112 1112  
1113 1113  There is no AT Command to control Relay Output
1114 1114  
1162 +
1115 1115  * Downlink Payload (prefix 0x05):
1116 1116  
1117 1117  (% class="box infomessage" %)
... ... @@ -1129,14 +1129,17 @@
1129 1129  
1130 1130  00: Relays will change to an inverter state after timeout
1131 1131  
1180 +
1132 1132  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1133 1133  
1134 1134  [[image:image-20220524093831-10.png]]
1135 1135  
1185 +
1136 1136  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1137 1137  
1138 1138  Device will upload a packet if downlink code executes successfully.
1139 1139  
1190 +
1140 1140  **Example payload:**
1141 1141  
1142 1142  **~1. 05 01 11 07 D0**
... ... @@ -1156,6 +1156,7 @@
1156 1156  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1157 1157  
1158 1158  
1210 +
1159 1159  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1160 1160  
1161 1161  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1167,6 +1167,7 @@
1167 1167  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1168 1168  )))
1169 1169  
1222 +
1170 1170  * Downlink Payload (prefix 0xA5):
1171 1171  
1172 1172  (% class="box infomessage" %)
... ... @@ -1175,6 +1175,7 @@
1175 1175  )))
1176 1176  
1177 1177  
1231 +
1178 1178  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1179 1179  
1180 1180  * AT Command:
... ... @@ -1192,6 +1192,7 @@
1192 1192  
1193 1193  Bb cc dd ee: number to be set
1194 1194  
1249 +
1195 1195  * Downlink Payload (prefix 0xA8):
1196 1196  
1197 1197  (% class="box infomessage" %)
... ... @@ -1200,6 +1200,7 @@
1200 1200  )))
1201 1201  
1202 1202  
1258 +
1203 1203  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1204 1204  
1205 1205  Clear counting for counting mode
... ... @@ -1219,6 +1219,7 @@
1219 1219  )))
1220 1220  
1221 1221  
1278 +
1222 1222  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1223 1223  
1224 1224  * AT Command:
... ... @@ -1241,16 +1241,17 @@
1241 1241  
1242 1242  )))
1243 1243  
1301 +
1244 1244  == 3.5 Integrate with Mydevice ==
1245 1245  
1246 1246  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:
1247 1247  
1248 1248  (((
1249 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1307 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1250 1250  )))
1251 1251  
1252 1252  (((
1253 -**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:
1311 +(% 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:
1254 1254  )))
1255 1255  
1256 1256  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1257,12 +1257,13 @@
1257 1257  
1258 1258  [[image:image-20220524094641-11.png||height="390" width="723"]]
1259 1259  
1318 +
1260 1260  [[image:image-20220524094641-12.png||height="402" width="718"]]
1261 1261  
1262 1262  
1263 -**Step 3**: Create an account or log in Mydevices.
1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1264 1264  
1265 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1324 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1266 1266  
1267 1267  Search under The things network
1268 1268  
... ... @@ -1269,19 +1269,25 @@
1269 1269  [[image:1653356838789-523.png||height="337" width="740"]]
1270 1270  
1271 1271  
1331 +
1272 1272  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1273 1273  
1274 1274  [[image:image-20220524094909-1.png||height="335" width="729"]]
1275 1275  
1336 +
1276 1276  [[image:image-20220524094909-2.png||height="337" width="729"]]
1277 1277  
1339 +
1278 1278  [[image:image-20220524094909-3.png||height="338" width="727"]]
1279 1279  
1342 +
1280 1280  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1281 1281  
1345 +
1282 1282  [[image:image-20220524094909-5.png||height="341" width="734"]]
1283 1283  
1284 1284  
1349 +
1285 1285  == 3.6 Interface Detail ==
1286 1286  
1287 1287  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1291,6 +1291,7 @@
1291 1291  [[image:1653356991268-289.png]]
1292 1292  
1293 1293  
1359 +
1294 1294  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1295 1295  
1296 1296  (((
... ... @@ -1316,7 +1316,7 @@
1316 1316  )))
1317 1317  
1318 1318  (((
1319 -**Example1**: Connect to a Low active sensor.
1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1320 1320  )))
1321 1321  
1322 1322  (((
... ... @@ -1347,7 +1347,7 @@
1347 1347  )))
1348 1348  
1349 1349  (((
1350 -**Example2**: Connect to a High active sensor.
1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1351 1351  )))
1352 1352  
1353 1353  (((
... ... @@ -1378,7 +1378,7 @@
1378 1378  )))
1379 1379  
1380 1380  (((
1381 -**Example3**: Connect to a 220v high active sensor.
1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1382 1382  )))
1383 1383  
1384 1384  (((
... ... @@ -1405,6 +1405,7 @@
1405 1405  )))
1406 1406  
1407 1407  
1474 +
1408 1408  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1409 1409  
1410 1410  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1412,12 +1412,14 @@
1412 1412  [[image:1653357531600-905.png]]
1413 1413  
1414 1414  
1482 +
1415 1415  === 3.6.4 Analog Input Interface ===
1416 1416  
1417 1417  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:
1418 1418  
1419 -**AC2 = (IN2 voltage )/12**
1420 1420  
1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1489 +
1421 1421  [[image:1653357592296-182.png]]
1422 1422  
1423 1423  Example to connect a 4~~20mA sensor
... ... @@ -1424,22 +1424,24 @@
1424 1424  
1425 1425  We take the wind speed sensor as an example for reference only.
1426 1426  
1427 -Specifications of the wind speed sensor:
1428 1428  
1429 -Red:12~~24v
1497 +**Specifications of the wind speed sensor:**
1430 1430  
1431 -Yellow:4~~20mA
1499 +Red:  12~~24v
1432 1432  
1433 -Black:GND
1501 +Yellow:  4~~20mA
1434 1434  
1503 +Black:  GND
1435 1435  
1436 -Connection diagram:
1437 1437  
1506 +**Connection diagram:**
1507 +
1438 1438  [[image:1653357640609-758.png]]
1439 1439  
1440 1440  [[image:1653357648330-671.png||height="155" width="733"]]
1441 1441  
1442 1442  
1513 +
1443 1443  === 3.6.5 Relay Output ===
1444 1444  
1445 1445  (((
... ... @@ -1451,6 +1451,7 @@
1451 1451  [[image:image-20220524100215-10.png||height="382" width="723"]]
1452 1452  
1453 1453  
1525 +
1454 1454  == 3.7 LEDs Indicators ==
1455 1455  
1456 1456  [[image:image-20220524100748-11.png]]
... ... @@ -1464,6 +1464,7 @@
1464 1464  
1465 1465  [[image:1653358238933-385.png]]
1466 1466  
1539 +
1467 1467  (((
1468 1468  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:
1469 1469  )))
... ... @@ -1470,6 +1470,7 @@
1470 1470  
1471 1471  [[image:1653358355238-883.png]]
1472 1472  
1546 +
1473 1473  (((
1474 1474  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/]]
1475 1475  )))
... ... @@ -1660,12 +1660,16 @@
1660 1660  
1661 1661  )))
1662 1662  
1737 +
1738 +
1663 1663  == 4.2 Common AT Command Sequence ==
1664 1664  
1665 1665  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1666 1666  
1667 1667  (((
1668 -If device has not joined network yet:
1744 +
1745 +
1746 +**If device has not joined network yet:**
1669 1669  )))
1670 1670  
1671 1671  (((
... ... @@ -1690,7 +1690,7 @@
1690 1690  
1691 1691  
1692 1692  (((
1693 -If device already joined network:
1771 +**If device already joined network:**
1694 1694  )))
1695 1695  
1696 1696  (((
... ... @@ -1703,10 +1703,14 @@
1703 1703  
1704 1704  )))
1705 1705  
1784 +
1785 +
1706 1706  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1707 1707  
1708 1708  (((
1709 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1789 +
1790 +
1791 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1710 1710  )))
1711 1711  
1712 1712  (((
... ... @@ -1714,7 +1714,7 @@
1714 1714  )))
1715 1715  
1716 1716  (((
1717 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1718 1718  )))
1719 1719  
1720 1720  (((
... ... @@ -1722,39 +1722,41 @@
1722 1722  )))
1723 1723  
1724 1724  (((
1725 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1726 1726  )))
1727 1727  
1728 1728  (((
1729 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1811 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1730 1730  )))
1731 1731  
1732 1732  (((
1733 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1734 1734  )))
1735 1735  
1736 1736  (((
1737 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1819 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1738 1738  )))
1739 1739  
1740 1740  (((
1741 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1823 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1742 1742  )))
1743 1743  
1744 1744  (((
1745 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1827 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1746 1746  )))
1747 1747  
1748 1748  (((
1749 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1831 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% 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.
1835 +(% 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.
1754 1754  )))
1755 1755  
1756 1756  (((
1757 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1840 +
1841 +
1758 1758  )))
1759 1759  
1760 1760  (((
... ... @@ -1776,6 +1776,7 @@
1776 1776  
1777 1777  )))
1778 1778  
1863 +
1779 1779  === 4.2.3 Change to Class A ===
1780 1780  
1781 1781  If sensor JOINED
... ... @@ -1787,19 +1787,25 @@
1787 1787  
1788 1788  == 5.1 How to upgrade the image? ==
1789 1789  
1875 +
1790 1790  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1791 1791  
1792 1792  * Support new features
1793 1793  * For bug fix
1794 1794  * Change LoRaWAN bands.
1881 +
1795 1795  Below shows the hardware connection for how to upload an image to the LT:
1796 -* [[image:1653359603330-121.png]]
1797 1797  
1884 +[[image:1653359603330-121.png]]
1885 +
1886 +
1798 1798  (((
1799 -**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]].
1800 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1801 -**Step3: **Open flashloader; choose the correct COM port to update.
1802 -**For LT-22222-L**:
1888 +(% 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]].
1889 +(% 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/]].
1890 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1891 +
1892 +
1893 +(% style="color:blue" %)**For LT-22222-L**(%%):
1803 1803  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.
1804 1804  )))
1805 1805  
... ... @@ -1809,6 +1809,7 @@
1809 1809  
1810 1810  [[image:image-20220524104033-15.png]]
1811 1811  
1903 +
1812 1812  (% 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:
1813 1813  
1814 1814  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1816,6 +1816,8 @@
1816 1816  
1817 1817  (((
1818 1818  (((
1911 +
1912 +
1819 1819  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1820 1820  )))
1821 1821  )))
... ... @@ -1822,11 +1822,11 @@
1822 1822  
1823 1823  (((
1824 1824  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1825 -
1826 -
1827 1827  )))
1828 1828  
1829 1829  (((
1922 +
1923 +
1830 1830  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1831 1831  )))
1832 1832  
... ... @@ -1839,6 +1839,8 @@
1839 1839  (((
1840 1840  (((
1841 1841  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1936 +
1937 +
1842 1842  )))
1843 1843  )))
1844 1844  
... ... @@ -1854,23 +1854,25 @@
1854 1854  (% 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.
1855 1855  )))
1856 1856  
1953 +
1857 1857  (((
1858 1858  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1859 1859  )))
1860 1860  
1861 1861  (((
1862 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1863 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1864 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1865 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1866 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1867 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1868 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1869 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1870 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1871 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1959 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1960 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1961 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1962 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1963 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1964 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1965 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1966 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1967 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1968 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1872 1872  )))
1873 1873  
1971 +
1874 1874  (((
1875 1875  As shown in below:
1876 1876  )))
... ... @@ -1887,11 +1887,11 @@
1887 1887  == 5.5 Can i use point to point communication for LT-22222-L? ==
1888 1888  
1889 1889  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1890 -
1891 -
1892 1892  )))
1893 1893  
1894 1894  (((
1991 +
1992 +
1895 1895  = 6. Trouble Shooting =
1896 1896  )))
1897 1897  
... ... @@ -1903,11 +1903,11 @@
1903 1903  
1904 1904  (((
1905 1905  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1906 -
1907 -
1908 1908  )))
1909 1909  
1910 1910  (((
2007 +
2008 +
1911 1911  == 6.2 Have trouble to upload image. ==
1912 1912  )))
1913 1913  
... ... @@ -1917,9 +1917,7 @@
1917 1917  
1918 1918  (((
1919 1919  
1920 -)))
1921 1921  
1922 -(((
1923 1923  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1924 1924  )))
1925 1925  
... ... @@ -1927,147 +1927,55 @@
1927 1927  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1928 1928  )))
1929 1929  
1930 -(((
1931 -
1932 -)))
1933 1933  
1934 -(((
2027 +
1935 1935  = 7. Order Info =
1936 -)))
1937 1937  
1938 -(((
1939 -(((
2030 +
1940 1940  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1941 -)))
1942 -)))
1943 1943  
1944 -(((
1945 -(((
2033 +
1946 1946  (% style="color:#4f81bd" %)**XXX:**
1947 -)))
1948 -)))
1949 1949  
1950 -(((
1951 -* (((
1952 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1953 -)))
1954 -)))
2036 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2037 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2038 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2039 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2040 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2041 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2042 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2043 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2044 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1955 1955  
1956 -(((
1957 -* (((
1958 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1959 -)))
1960 -)))
1961 -
1962 -(((
1963 -* (((
1964 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1965 -)))
1966 -)))
1967 -
1968 -(((
1969 -* (((
1970 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1971 -)))
1972 -)))
1973 -
1974 -(((
1975 -* (((
1976 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1977 -)))
1978 -)))
1979 -
1980 -(((
1981 -* (((
1982 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1983 -)))
1984 -)))
1985 -
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1989 -)))
1990 -)))
1991 -
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1995 -)))
1996 -)))
1997 -
1998 -(((
1999 -* (((
2000 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2001 -
2002 -
2003 -)))
2004 -
2005 2005  = 8. Packing Info =
2006 -)))
2007 2007  
2008 -(((
2009 -(((
2048 +
2010 2010  **Package Includes**:
2011 -)))
2012 -)))
2013 2013  
2014 -(((
2015 -(((
2016 2016  * LT-22222-L I/O Controller x 1
2017 2017  * Stick Antenna for LoRa RF part x 1
2018 2018  * Bracket for controller x1
2019 2019  * Program cable x 1
2020 -)))
2021 -)))
2022 2022  
2023 -(((
2024 -(((
2025 2025  **Dimension and weight**:
2026 -)))
2027 -)))
2028 2028  
2029 -(((
2030 -(((
2031 2031  * Device Size: 13.5 x 7 x 3 cm
2032 2032  * Device Weight: 105g
2033 2033  * Package Size / pcs : 14.5 x 8 x 5 cm
2034 2034  * Weight / pcs : 170g
2035 2035  
2036 -
2037 -)))
2038 -)))
2039 -
2040 -(((
2041 2041  = 9. Support =
2042 -)))
2043 2043  
2044 2044  * (((
2045 -(((
2046 2046  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.
2047 2047  )))
2048 -)))
2049 2049  * (((
2050 -(((
2051 -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
2069 +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]]
2052 2052  )))
2053 -)))
2054 2054  
2055 -(((
2056 -(((
2057 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2058 -
2059 -
2060 -)))
2061 -
2062 -(((
2063 2063  = 10. Reference​​​​​ =
2064 2064  
2065 -* Product Page:
2066 -
2067 -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 -
2074 +* 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]]
2069 2069  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2070 2070  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2071 2071  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 -)))
2073 -)))

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