Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.10 >
edited by Xiaoling
on 2022/06/10 08:38
To version < 77.81 >
edited by Xiaoling
on 2022/06/10 09:25
>
Change comment: There is no comment for this version

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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.
... ... @@ -430,6 +430,7 @@
430 430  )))
431 431  
432 432  
421 +
433 433  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
434 434  
435 435  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -474,6 +474,8 @@
474 474  
475 475  )))
476 476  
466 +
467 +
477 477  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
478 478  
479 479  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -497,6 +497,8 @@
497 497  )))
498 498  
499 499  (((
491 +
492 +
500 500  **To use this mode, please run:**
501 501  )))
502 502  
... ... @@ -523,6 +523,8 @@
523 523  )))
524 524  
525 525  (((
519 +
520 +
526 526  **Plus below command for AVI1 Counting:**
527 527  )))
528 528  
... ... @@ -555,13 +555,17 @@
555 555  )))
556 556  
557 557  
553 +
558 558  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
559 559  
556 +
560 560  **LT22222-L**: This mode the DI1 is used as a counting pin.
561 561  
562 562  [[image:image-20220523182334-9.png]]
563 563  
564 564  (((
562 +
563 +
565 565  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
566 566  )))
567 567  
... ... @@ -576,6 +576,8 @@
576 576  )))
577 577  
578 578  (((
578 +
579 +
579 579  **To use this mode, please run:**
580 580  )))
581 581  
... ... @@ -595,10 +595,10 @@
595 595  
596 596  (((
597 597  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
598 -
599 -
600 600  )))
601 601  
601 +
602 +
602 602  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
603 603  
604 604  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -608,11 +608,13 @@
608 608  * **AT+MOD=1 ** **~-~->** The normal working mode
609 609  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
610 610  
612 +
611 611  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
612 612  
613 613  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
614 614  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.**
615 615  
618 +
616 616  **AT Command to set Trigger Condition**:
617 617  
618 618  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -664,14 +664,17 @@
664 664  
665 665   Yy4 yy4: AC2 or AV2 high limit.
666 666  
670 +
667 667  **Example1**: AA 00 13 88 00 00 00 00 00 00
668 668  
669 669  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
670 670  
675 +
671 671  **Example2**: AA 02 01 00
672 672  
673 673  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
674 674  
680 +
675 675  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
676 676  
677 677  MOD6 Payload : total 11 bytes payload
... ... @@ -678,6 +678,7 @@
678 678  
679 679  [[image:image-20220524085923-1.png]]
680 680  
687 +
681 681  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
682 682  
683 683  [[image:image-20220524090106-2.png]]
... ... @@ -684,6 +684,7 @@
684 684  
685 685  * Each bits shows if the corresponding trigger has been configured.
686 686  
694 +
687 687  **Example:**
688 688  
689 689  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -695,6 +695,7 @@
695 695  
696 696  * Each bits shows which status has been trigger on this uplink.
697 697  
706 +
698 698  **Example:**
699 699  
700 700  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -706,6 +706,7 @@
706 706  
707 707  * Each bits shows which status has been trigger on this uplink.
708 708  
718 +
709 709  **Example:**
710 710  
711 711  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -722,6 +722,7 @@
722 722  When device got this command, it will send the MOD6 payload.
723 723  
724 724  
735 +
725 725  === 3.3.7 Payload Decoder ===
726 726  
727 727  (((
... ... @@ -730,6 +730,8 @@
730 730  
731 731  )))
732 732  
744 +
745 +
733 733  == 3.4 ​Configure LT via AT or Downlink ==
734 734  
735 735  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -742,11 +742,14 @@
742 742  
743 743  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
744 744  
758 +
759 +
745 745  === 3.4.1 Common Commands ===
746 746  
747 747  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]]
748 748  
749 749  
765 +
750 750  === 3.4.2 Sensor related commands ===
751 751  
752 752  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -762,6 +762,7 @@
762 762  
763 763  **Example: **AT+TDC=30000. Means set interval to 30 seconds
764 764  
781 +
765 765  * Downlink Payload (prefix 0x01):
766 766  
767 767  (% class="box infomessage" %)
... ... @@ -770,6 +770,7 @@
770 770  )))
771 771  
772 772  
790 +
773 773  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
774 774  
775 775  Set work mode.
... ... @@ -783,6 +783,7 @@
783 783  
784 784  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
785 785  
804 +
786 786  * Downlink Payload (prefix 0x0A):
787 787  
788 788  (% class="box infomessage" %)
... ... @@ -791,6 +791,7 @@
791 791  )))
792 792  
793 793  
813 +
794 794  ==== 3.4.2.3 Poll an uplink ====
795 795  
796 796  * AT Command:
... ... @@ -797,6 +797,7 @@
797 797  
798 798  There is no AT Command to poll uplink
799 799  
820 +
800 800  * Downlink Payload (prefix 0x08):
801 801  
802 802  (% class="box infomessage" %)
... ... @@ -807,6 +807,7 @@
807 807  **Example**: 0x08FF, ask device to send an Uplink
808 808  
809 809  
831 +
810 810  ==== 3.4.2.4 Enable Trigger Mode ====
811 811  
812 812  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -822,6 +822,7 @@
822 822  
823 823  0: Disable Trigger Mode
824 824  
847 +
825 825  * Downlink Payload (prefix 0x0A 06):
826 826  
827 827  (% class="box infomessage" %)
... ... @@ -830,6 +830,7 @@
830 830  )))
831 831  
832 832  
856 +
833 833  ==== 3.4.2.5 Poll trigger settings ====
834 834  
835 835  Poll trigger settings,
... ... @@ -838,6 +838,7 @@
838 838  
839 839  There is no AT Command for this feature.
840 840  
865 +
841 841  * Downlink Payload (prefix 0x AB 06):
842 842  
843 843  (% class="box infomessage" %)
... ... @@ -846,6 +846,7 @@
846 846  )))
847 847  
848 848  
874 +
849 849  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
850 850  
851 851  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -857,6 +857,7 @@
857 857  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
858 858  )))
859 859  
886 +
860 860  **Example:**
861 861  
862 862  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -869,6 +869,7 @@
869 869  )))
870 870  
871 871  
899 +
872 872  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
873 873  
874 874  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -884,10 +884,12 @@
884 884  
885 885  b : delay timing.
886 886  
915 +
887 887  **Example:**
888 888  
889 889  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
890 890  
920 +
891 891  * Downlink Payload (prefix 0x09 01 ):
892 892  
893 893  (% class="box infomessage" %)
... ... @@ -896,6 +896,7 @@
896 896  )))
897 897  
898 898  
929 +
899 899  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
900 900  
901 901  Set DI2 trigger.
... ... @@ -911,10 +911,12 @@
911 911  
912 912  b : delay timing.
913 913  
945 +
914 914  **Example:**
915 915  
916 916  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
917 917  
950 +
918 918  * Downlink Payload (prefix 0x09 02 ):
919 919  
920 920  (% class="box infomessage" %)
... ... @@ -923,6 +923,7 @@
923 923  )))
924 924  
925 925  
959 +
926 926  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
927 927  
928 928  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -934,6 +934,7 @@
934 934  **AT+ACLIM. **
935 935  )))
936 936  
971 +
937 937  * Downlink Payload (prefix 0xAA 01 ):
938 938  
939 939  (% class="box infomessage" %)
... ... @@ -942,6 +942,7 @@
942 942  )))
943 943  
944 944  
980 +
945 945  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
946 946  
947 947  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -953,6 +953,7 @@
953 953  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 954  )))
955 955  
992 +
956 956  * Downlink Payload (prefix 0xAA 00 ):
957 957  
958 958  (% class="box infomessage" %)
... ... @@ -961,6 +961,7 @@
961 961  )))
962 962  
963 963  
1001 +
964 964  ==== 3.4.2.11 Trigger – Set minimum interval ====
965 965  
966 966  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -972,6 +972,7 @@
972 972  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
973 973  )))
974 974  
1013 +
975 975  * Downlink Payload (prefix 0xAC ):
976 976  
977 977  (% class="box infomessage" %)
... ... @@ -980,6 +980,7 @@
980 980  )))
981 981  
982 982  
1022 +
983 983  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
984 984  
985 985  * AT Command:
... ... @@ -986,6 +986,7 @@
986 986  
987 987  There is no AT Command to control Digital Output
988 988  
1029 +
989 989  * Downlink Payload (prefix 0x02):
990 990  
991 991  (% class="box infomessage" %)
... ... @@ -1012,6 +1012,7 @@
1012 1012  )))
1013 1013  
1014 1014  
1056 +
1015 1015  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1016 1016  
1017 1017  * AT Command:
... ... @@ -1018,6 +1018,7 @@
1018 1018  
1019 1019  There is no AT Command to control Digital Output
1020 1020  
1063 +
1021 1021  * Downlink Payload (prefix 0xA9):
1022 1022  
1023 1023  (% class="box infomessage" %)
... ... @@ -1037,18 +1037,22 @@
1037 1037  
1038 1038  00: DO pins will change to an inverter state after timeout 
1039 1039  
1083 +
1040 1040  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1041 1041  
1042 1042  [[image:image-20220524093238-6.png]]
1043 1043  
1088 +
1044 1044  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1045 1045  
1046 1046  [[image:image-20220524093328-7.png]]
1047 1047  
1093 +
1048 1048  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1049 1049  
1050 1050  [[image:image-20220524093351-8.png]]
1051 1051  
1098 +
1052 1052  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1053 1053  
1054 1054   Latching time. Unit: ms
... ... @@ -1055,6 +1055,7 @@
1055 1055  
1056 1056  Device will upload a packet if downlink code executes successfully.
1057 1057  
1105 +
1058 1058  **Example payload:**
1059 1059  
1060 1060  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1074,12 +1074,14 @@
1074 1074  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
1075 1075  
1076 1076  
1077 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1078 1078  
1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 +
1079 1079  * AT Command:
1080 1080  
1081 1081  There is no AT Command to control Relay Output
1082 1082  
1132 +
1083 1083  * Downlink Payload (prefix 0x03):
1084 1084  
1085 1085  (% class="box infomessage" %)
... ... @@ -1102,6 +1102,7 @@
1102 1102  Device will upload a packet if downlink code executes successfully.
1103 1103  
1104 1104  
1155 +
1105 1105  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1106 1106  
1107 1107  * AT Command:
... ... @@ -1108,6 +1108,7 @@
1108 1108  
1109 1109  There is no AT Command to control Relay Output
1110 1110  
1162 +
1111 1111  * Downlink Payload (prefix 0x05):
1112 1112  
1113 1113  (% class="box infomessage" %)
... ... @@ -1125,14 +1125,17 @@
1125 1125  
1126 1126  00: Relays will change to an inverter state after timeout
1127 1127  
1180 +
1128 1128  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1129 1129  
1130 1130  [[image:image-20220524093831-10.png]]
1131 1131  
1185 +
1132 1132  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1133 1133  
1134 1134  Device will upload a packet if downlink code executes successfully.
1135 1135  
1190 +
1136 1136  **Example payload:**
1137 1137  
1138 1138  **~1. 05 01 11 07 D0**
... ... @@ -1152,6 +1152,7 @@
1152 1152  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1153 1153  
1154 1154  
1210 +
1155 1155  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1156 1156  
1157 1157  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1163,6 +1163,7 @@
1163 1163  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1164 1164  )))
1165 1165  
1222 +
1166 1166  * Downlink Payload (prefix 0xA5):
1167 1167  
1168 1168  (% class="box infomessage" %)
... ... @@ -1171,6 +1171,7 @@
1171 1171  )))
1172 1172  
1173 1173  
1231 +
1174 1174  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1175 1175  
1176 1176  * AT Command:
... ... @@ -1188,6 +1188,7 @@
1188 1188  
1189 1189  Bb cc dd ee: number to be set
1190 1190  
1249 +
1191 1191  * Downlink Payload (prefix 0xA8):
1192 1192  
1193 1193  (% class="box infomessage" %)
... ... @@ -1196,6 +1196,7 @@
1196 1196  )))
1197 1197  
1198 1198  
1258 +
1199 1199  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1200 1200  
1201 1201  Clear counting for counting mode
... ... @@ -1215,6 +1215,7 @@
1215 1215  )))
1216 1216  
1217 1217  
1278 +
1218 1218  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1219 1219  
1220 1220  * AT Command:
... ... @@ -1237,16 +1237,17 @@
1237 1237  
1238 1238  )))
1239 1239  
1301 +
1240 1240  == 3.5 Integrate with Mydevice ==
1241 1241  
1242 1242  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:
1243 1243  
1244 1244  (((
1245 -**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.
1246 1246  )))
1247 1247  
1248 1248  (((
1249 -**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:
1250 1250  )))
1251 1251  
1252 1252  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1253,12 +1253,13 @@
1253 1253  
1254 1254  [[image:image-20220524094641-11.png||height="390" width="723"]]
1255 1255  
1318 +
1256 1256  [[image:image-20220524094641-12.png||height="402" width="718"]]
1257 1257  
1258 1258  
1259 -**Step 3**: Create an account or log in Mydevices.
1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1260 1260  
1261 -**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" %)
1262 1262  
1263 1263  Search under The things network
1264 1264  
... ... @@ -1265,19 +1265,25 @@
1265 1265  [[image:1653356838789-523.png||height="337" width="740"]]
1266 1266  
1267 1267  
1331 +
1268 1268  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1269 1269  
1270 1270  [[image:image-20220524094909-1.png||height="335" width="729"]]
1271 1271  
1336 +
1272 1272  [[image:image-20220524094909-2.png||height="337" width="729"]]
1273 1273  
1339 +
1274 1274  [[image:image-20220524094909-3.png||height="338" width="727"]]
1275 1275  
1342 +
1276 1276  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1277 1277  
1345 +
1278 1278  [[image:image-20220524094909-5.png||height="341" width="734"]]
1279 1279  
1280 1280  
1349 +
1281 1281  == 3.6 Interface Detail ==
1282 1282  
1283 1283  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1287,6 +1287,7 @@
1287 1287  [[image:1653356991268-289.png]]
1288 1288  
1289 1289  
1359 +
1290 1290  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1291 1291  
1292 1292  (((
... ... @@ -1312,7 +1312,7 @@
1312 1312  )))
1313 1313  
1314 1314  (((
1315 -**Example1**: Connect to a Low active sensor.
1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1316 1316  )))
1317 1317  
1318 1318  (((
... ... @@ -1343,7 +1343,7 @@
1343 1343  )))
1344 1344  
1345 1345  (((
1346 -**Example2**: Connect to a High active sensor.
1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1347 1347  )))
1348 1348  
1349 1349  (((
... ... @@ -1374,7 +1374,7 @@
1374 1374  )))
1375 1375  
1376 1376  (((
1377 -**Example3**: Connect to a 220v high active sensor.
1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1378 1378  )))
1379 1379  
1380 1380  (((
... ... @@ -1401,6 +1401,7 @@
1401 1401  )))
1402 1402  
1403 1403  
1474 +
1404 1404  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1405 1405  
1406 1406  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1408,12 +1408,14 @@
1408 1408  [[image:1653357531600-905.png]]
1409 1409  
1410 1410  
1482 +
1411 1411  === 3.6.4 Analog Input Interface ===
1412 1412  
1413 1413  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:
1414 1414  
1415 -**AC2 = (IN2 voltage )/12**
1416 1416  
1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1489 +
1417 1417  [[image:1653357592296-182.png]]
1418 1418  
1419 1419  Example to connect a 4~~20mA sensor
... ... @@ -1420,22 +1420,24 @@
1420 1420  
1421 1421  We take the wind speed sensor as an example for reference only.
1422 1422  
1423 -Specifications of the wind speed sensor:
1424 1424  
1425 -Red:12~~24v
1497 +**Specifications of the wind speed sensor:**
1426 1426  
1427 -Yellow:4~~20mA
1499 +Red:  12~~24v
1428 1428  
1429 -Black:GND
1501 +Yellow:  4~~20mA
1430 1430  
1503 +Black:  GND
1431 1431  
1432 -Connection diagram:
1433 1433  
1506 +**Connection diagram:**
1507 +
1434 1434  [[image:1653357640609-758.png]]
1435 1435  
1436 1436  [[image:1653357648330-671.png||height="155" width="733"]]
1437 1437  
1438 1438  
1513 +
1439 1439  === 3.6.5 Relay Output ===
1440 1440  
1441 1441  (((
... ... @@ -1447,6 +1447,7 @@
1447 1447  [[image:image-20220524100215-10.png||height="382" width="723"]]
1448 1448  
1449 1449  
1525 +
1450 1450  == 3.7 LEDs Indicators ==
1451 1451  
1452 1452  [[image:image-20220524100748-11.png]]
... ... @@ -1460,6 +1460,7 @@
1460 1460  
1461 1461  [[image:1653358238933-385.png]]
1462 1462  
1539 +
1463 1463  (((
1464 1464  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:
1465 1465  )))
... ... @@ -1466,6 +1466,7 @@
1466 1466  
1467 1467  [[image:1653358355238-883.png]]
1468 1468  
1546 +
1469 1469  (((
1470 1470  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/]]
1471 1471  )))
... ... @@ -1656,12 +1656,16 @@
1656 1656  
1657 1657  )))
1658 1658  
1737 +
1738 +
1659 1659  == 4.2 Common AT Command Sequence ==
1660 1660  
1661 1661  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1662 1662  
1663 1663  (((
1664 -If device has not joined network yet:
1744 +
1745 +
1746 +**If device has not joined network yet:**
1665 1665  )))
1666 1666  
1667 1667  (((
... ... @@ -1686,7 +1686,7 @@
1686 1686  
1687 1687  
1688 1688  (((
1689 -If device already joined network:
1771 +**If device already joined network:**
1690 1690  )))
1691 1691  
1692 1692  (((
... ... @@ -1699,10 +1699,14 @@
1699 1699  
1700 1700  )))
1701 1701  
1784 +
1785 +
1702 1702  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1703 1703  
1704 1704  (((
1705 -(% 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.
1706 1706  )))
1707 1707  
1708 1708  (((
... ... @@ -1710,7 +1710,7 @@
1710 1710  )))
1711 1711  
1712 1712  (((
1713 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1714 1714  )))
1715 1715  
1716 1716  (((
... ... @@ -1718,39 +1718,41 @@
1718 1718  )))
1719 1719  
1720 1720  (((
1721 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1722 1722  )))
1723 1723  
1724 1724  (((
1725 -(% 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
1726 1726  )))
1727 1727  
1728 1728  (((
1729 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1730 1730  )))
1731 1731  
1732 1732  (((
1733 -(% 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
1734 1734  )))
1735 1735  
1736 1736  (((
1737 -(% 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
1738 1738  )))
1739 1739  
1740 1740  (((
1741 -(% 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)
1742 1742  )))
1743 1743  
1744 1744  (((
1745 -(% 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
1746 1746  )))
1747 1747  
1748 1748  (((
1749 -(% 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.
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1840 +
1841 +
1754 1754  )))
1755 1755  
1756 1756  (((
... ... @@ -1772,6 +1772,7 @@
1772 1772  
1773 1773  )))
1774 1774  
1863 +
1775 1775  === 4.2.3 Change to Class A ===
1776 1776  
1777 1777  If sensor JOINED
... ... @@ -1783,19 +1783,25 @@
1783 1783  
1784 1784  == 5.1 How to upgrade the image? ==
1785 1785  
1875 +
1786 1786  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1787 1787  
1788 1788  * Support new features
1789 1789  * For bug fix
1790 1790  * Change LoRaWAN bands.
1881 +
1791 1791  Below shows the hardware connection for how to upload an image to the LT:
1792 -* [[image:1653359603330-121.png]]
1793 1793  
1884 +[[image:1653359603330-121.png]]
1885 +
1886 +
1794 1794  (((
1795 -**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]].
1796 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1797 -**Step3: **Open flashloader; choose the correct COM port to update.
1798 -**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**(%%):
1799 1799  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.
1800 1800  )))
1801 1801  
... ... @@ -1805,6 +1805,7 @@
1805 1805  
1806 1806  [[image:image-20220524104033-15.png]]
1807 1807  
1903 +
1808 1808  (% 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:
1809 1809  
1810 1810  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1812,6 +1812,8 @@
1812 1812  
1813 1813  (((
1814 1814  (((
1911 +
1912 +
1815 1815  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1816 1816  )))
1817 1817  )))
... ... @@ -1818,11 +1818,11 @@
1818 1818  
1819 1819  (((
1820 1820  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1821 -
1822 -
1823 1823  )))
1824 1824  
1825 1825  (((
1922 +
1923 +
1826 1826  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1827 1827  )))
1828 1828  
... ... @@ -1835,6 +1835,8 @@
1835 1835  (((
1836 1836  (((
1837 1837  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1936 +
1937 +
1838 1838  )))
1839 1839  )))
1840 1840  
... ... @@ -1850,23 +1850,25 @@
1850 1850  (% 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.
1851 1851  )))
1852 1852  
1953 +
1853 1853  (((
1854 1854  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1855 1855  )))
1856 1856  
1857 1857  (((
1858 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1859 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1860 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1861 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1862 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1863 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1864 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1865 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1866 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1867 -(% 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
1868 1868  )))
1869 1869  
1971 +
1870 1870  (((
1871 1871  As shown in below:
1872 1872  )))
... ... @@ -1883,11 +1883,11 @@
1883 1883  == 5.5 Can i use point to point communication for LT-22222-L? ==
1884 1884  
1885 1885  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1886 -
1887 -
1888 1888  )))
1889 1889  
1890 1890  (((
1991 +
1992 +
1891 1891  = 6. Trouble Shooting =
1892 1892  )))
1893 1893  
... ... @@ -1899,11 +1899,11 @@
1899 1899  
1900 1900  (((
1901 1901  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1902 -
1903 -
1904 1904  )))
1905 1905  
1906 1906  (((
2007 +
2008 +
1907 1907  == 6.2 Have trouble to upload image. ==
1908 1908  )))
1909 1909  
... ... @@ -1913,9 +1913,7 @@
1913 1913  
1914 1914  (((
1915 1915  
1916 -)))
1917 1917  
1918 -(((
1919 1919  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1920 1920  )))
1921 1921  
... ... @@ -1923,147 +1923,55 @@
1923 1923  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1924 1924  )))
1925 1925  
1926 -(((
1927 -
1928 -)))
1929 1929  
1930 -(((
2027 +
1931 1931  = 7. Order Info =
1932 -)))
1933 1933  
1934 -(((
1935 -(((
2030 +
1936 1936  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1937 -)))
1938 -)))
1939 1939  
1940 -(((
1941 -(((
2033 +
1942 1942  (% style="color:#4f81bd" %)**XXX:**
1943 -)))
1944 -)))
1945 1945  
1946 -(((
1947 -* (((
1948 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1949 -)))
1950 -)))
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
1951 1951  
1952 -(((
1953 -* (((
1954 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1955 -)))
1956 -)))
1957 -
1958 -(((
1959 -* (((
1960 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1961 -)))
1962 -)))
1963 -
1964 -(((
1965 -* (((
1966 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1967 -)))
1968 -)))
1969 -
1970 -(((
1971 -* (((
1972 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1973 -)))
1974 -)))
1975 -
1976 -(((
1977 -* (((
1978 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1979 -)))
1980 -)))
1981 -
1982 -(((
1983 -* (((
1984 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1985 -)))
1986 -)))
1987 -
1988 -(((
1989 -* (((
1990 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1991 -)))
1992 -)))
1993 -
1994 -(((
1995 -* (((
1996 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1997 -
1998 -
1999 -)))
2000 -
2001 2001  = 8. Packing Info =
2002 -)))
2003 2003  
2004 -(((
2005 -(((
2048 +
2006 2006  **Package Includes**:
2007 -)))
2008 -)))
2009 2009  
2010 -(((
2011 -(((
2012 2012  * LT-22222-L I/O Controller x 1
2013 2013  * Stick Antenna for LoRa RF part x 1
2014 2014  * Bracket for controller x1
2015 2015  * Program cable x 1
2016 -)))
2017 -)))
2018 2018  
2019 -(((
2020 -(((
2021 2021  **Dimension and weight**:
2022 -)))
2023 -)))
2024 2024  
2025 -(((
2026 -(((
2027 2027  * Device Size: 13.5 x 7 x 3 cm
2028 2028  * Device Weight: 105g
2029 2029  * Package Size / pcs : 14.5 x 8 x 5 cm
2030 2030  * Weight / pcs : 170g
2031 2031  
2032 -
2033 -)))
2034 -)))
2035 -
2036 -(((
2037 2037  = 9. Support =
2038 -)))
2039 2039  
2040 2040  * (((
2041 -(((
2042 2042  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.
2043 2043  )))
2044 -)))
2045 2045  * (((
2046 -(((
2047 -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]]
2048 2048  )))
2049 -)))
2050 2050  
2051 -(((
2052 -(((
2053 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2054 -
2055 -
2056 -)))
2057 -
2058 -(((
2059 2059  = 10. Reference​​​​​ =
2060 2060  
2061 -* Product Page:
2062 -
2063 -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]]
2064 -
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]]
2065 2065  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2066 2066  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2067 2067  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2068 -)))
2069 -)))

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