Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.9 >
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

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.
... ... @@ -428,6 +428,7 @@
428 428  )))
429 429  
430 430  
421 +
431 431  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
432 432  
433 433  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -472,6 +472,8 @@
472 472  
473 473  )))
474 474  
466 +
467 +
475 475  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
476 476  
477 477  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -495,6 +495,8 @@
495 495  )))
496 496  
497 497  (((
491 +
492 +
498 498  **To use this mode, please run:**
499 499  )))
500 500  
... ... @@ -521,6 +521,8 @@
521 521  )))
522 522  
523 523  (((
519 +
520 +
524 524  **Plus below command for AVI1 Counting:**
525 525  )))
526 526  
... ... @@ -553,13 +553,17 @@
553 553  )))
554 554  
555 555  
553 +
556 556  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557 557  
556 +
558 558  **LT22222-L**: This mode the DI1 is used as a counting pin.
559 559  
560 560  [[image:image-20220523182334-9.png]]
561 561  
562 562  (((
562 +
563 +
563 563  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
564 564  )))
565 565  
... ... @@ -574,6 +574,8 @@
574 574  )))
575 575  
576 576  (((
578 +
579 +
577 577  **To use this mode, please run:**
578 578  )))
579 579  
... ... @@ -593,10 +593,10 @@
593 593  
594 594  (((
595 595  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
596 -
597 -
598 598  )))
599 599  
601 +
602 +
600 600  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
601 601  
602 602  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -606,11 +606,13 @@
606 606  * **AT+MOD=1 ** **~-~->** The normal working mode
607 607  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
608 608  
612 +
609 609  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
610 610  
611 611  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
612 612  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.**
613 613  
618 +
614 614  **AT Command to set Trigger Condition**:
615 615  
616 616  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -662,14 +662,17 @@
662 662  
663 663   Yy4 yy4: AC2 or AV2 high limit.
664 664  
670 +
665 665  **Example1**: AA 00 13 88 00 00 00 00 00 00
666 666  
667 667  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
668 668  
675 +
669 669  **Example2**: AA 02 01 00
670 670  
671 671  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
672 672  
680 +
673 673  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
674 674  
675 675  MOD6 Payload : total 11 bytes payload
... ... @@ -676,6 +676,7 @@
676 676  
677 677  [[image:image-20220524085923-1.png]]
678 678  
687 +
679 679  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
680 680  
681 681  [[image:image-20220524090106-2.png]]
... ... @@ -682,6 +682,7 @@
682 682  
683 683  * Each bits shows if the corresponding trigger has been configured.
684 684  
694 +
685 685  **Example:**
686 686  
687 687  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -693,6 +693,7 @@
693 693  
694 694  * Each bits shows which status has been trigger on this uplink.
695 695  
706 +
696 696  **Example:**
697 697  
698 698  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -704,6 +704,7 @@
704 704  
705 705  * Each bits shows which status has been trigger on this uplink.
706 706  
718 +
707 707  **Example:**
708 708  
709 709  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -720,6 +720,7 @@
720 720  When device got this command, it will send the MOD6 payload.
721 721  
722 722  
735 +
723 723  === 3.3.7 Payload Decoder ===
724 724  
725 725  (((
... ... @@ -728,6 +728,8 @@
728 728  
729 729  )))
730 730  
744 +
745 +
731 731  == 3.4 ​Configure LT via AT or Downlink ==
732 732  
733 733  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -740,11 +740,14 @@
740 740  
741 741  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
742 742  
758 +
759 +
743 743  === 3.4.1 Common Commands ===
744 744  
745 745  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]]
746 746  
747 747  
765 +
748 748  === 3.4.2 Sensor related commands ===
749 749  
750 750  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -760,6 +760,7 @@
760 760  
761 761  **Example: **AT+TDC=30000. Means set interval to 30 seconds
762 762  
781 +
763 763  * Downlink Payload (prefix 0x01):
764 764  
765 765  (% class="box infomessage" %)
... ... @@ -768,6 +768,7 @@
768 768  )))
769 769  
770 770  
790 +
771 771  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
772 772  
773 773  Set work mode.
... ... @@ -781,6 +781,7 @@
781 781  
782 782  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
783 783  
804 +
784 784  * Downlink Payload (prefix 0x0A):
785 785  
786 786  (% class="box infomessage" %)
... ... @@ -789,6 +789,7 @@
789 789  )))
790 790  
791 791  
813 +
792 792  ==== 3.4.2.3 Poll an uplink ====
793 793  
794 794  * AT Command:
... ... @@ -795,6 +795,7 @@
795 795  
796 796  There is no AT Command to poll uplink
797 797  
820 +
798 798  * Downlink Payload (prefix 0x08):
799 799  
800 800  (% class="box infomessage" %)
... ... @@ -805,6 +805,7 @@
805 805  **Example**: 0x08FF, ask device to send an Uplink
806 806  
807 807  
831 +
808 808  ==== 3.4.2.4 Enable Trigger Mode ====
809 809  
810 810  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -820,6 +820,7 @@
820 820  
821 821  0: Disable Trigger Mode
822 822  
847 +
823 823  * Downlink Payload (prefix 0x0A 06):
824 824  
825 825  (% class="box infomessage" %)
... ... @@ -828,6 +828,7 @@
828 828  )))
829 829  
830 830  
856 +
831 831  ==== 3.4.2.5 Poll trigger settings ====
832 832  
833 833  Poll trigger settings,
... ... @@ -836,6 +836,7 @@
836 836  
837 837  There is no AT Command for this feature.
838 838  
865 +
839 839  * Downlink Payload (prefix 0x AB 06):
840 840  
841 841  (% class="box infomessage" %)
... ... @@ -844,6 +844,7 @@
844 844  )))
845 845  
846 846  
874 +
847 847  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
848 848  
849 849  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -855,6 +855,7 @@
855 855  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
856 856  )))
857 857  
886 +
858 858  **Example:**
859 859  
860 860  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -867,6 +867,7 @@
867 867  )))
868 868  
869 869  
899 +
870 870  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
871 871  
872 872  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -882,10 +882,12 @@
882 882  
883 883  b : delay timing.
884 884  
915 +
885 885  **Example:**
886 886  
887 887  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
888 888  
920 +
889 889  * Downlink Payload (prefix 0x09 01 ):
890 890  
891 891  (% class="box infomessage" %)
... ... @@ -894,6 +894,7 @@
894 894  )))
895 895  
896 896  
929 +
897 897  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
898 898  
899 899  Set DI2 trigger.
... ... @@ -909,10 +909,12 @@
909 909  
910 910  b : delay timing.
911 911  
945 +
912 912  **Example:**
913 913  
914 914  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
915 915  
950 +
916 916  * Downlink Payload (prefix 0x09 02 ):
917 917  
918 918  (% class="box infomessage" %)
... ... @@ -921,6 +921,7 @@
921 921  )))
922 922  
923 923  
959 +
924 924  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
925 925  
926 926  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -932,6 +932,7 @@
932 932  **AT+ACLIM. **
933 933  )))
934 934  
971 +
935 935  * Downlink Payload (prefix 0xAA 01 ):
936 936  
937 937  (% class="box infomessage" %)
... ... @@ -940,6 +940,7 @@
940 940  )))
941 941  
942 942  
980 +
943 943  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
944 944  
945 945  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -951,6 +951,7 @@
951 951  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
952 952  )))
953 953  
992 +
954 954  * Downlink Payload (prefix 0xAA 00 ):
955 955  
956 956  (% class="box infomessage" %)
... ... @@ -959,6 +959,7 @@
959 959  )))
960 960  
961 961  
1001 +
962 962  ==== 3.4.2.11 Trigger – Set minimum interval ====
963 963  
964 964  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -970,6 +970,7 @@
970 970  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
971 971  )))
972 972  
1013 +
973 973  * Downlink Payload (prefix 0xAC ):
974 974  
975 975  (% class="box infomessage" %)
... ... @@ -978,6 +978,7 @@
978 978  )))
979 979  
980 980  
1022 +
981 981  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
982 982  
983 983  * AT Command:
... ... @@ -984,6 +984,7 @@
984 984  
985 985  There is no AT Command to control Digital Output
986 986  
1029 +
987 987  * Downlink Payload (prefix 0x02):
988 988  
989 989  (% class="box infomessage" %)
... ... @@ -1010,6 +1010,7 @@
1010 1010  )))
1011 1011  
1012 1012  
1056 +
1013 1013  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1014 1014  
1015 1015  * AT Command:
... ... @@ -1016,6 +1016,7 @@
1016 1016  
1017 1017  There is no AT Command to control Digital Output
1018 1018  
1063 +
1019 1019  * Downlink Payload (prefix 0xA9):
1020 1020  
1021 1021  (% class="box infomessage" %)
... ... @@ -1035,18 +1035,22 @@
1035 1035  
1036 1036  00: DO pins will change to an inverter state after timeout 
1037 1037  
1083 +
1038 1038  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1039 1039  
1040 1040  [[image:image-20220524093238-6.png]]
1041 1041  
1088 +
1042 1042  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1043 1043  
1044 1044  [[image:image-20220524093328-7.png]]
1045 1045  
1093 +
1046 1046  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1047 1047  
1048 1048  [[image:image-20220524093351-8.png]]
1049 1049  
1098 +
1050 1050  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1051 1051  
1052 1052   Latching time. Unit: ms
... ... @@ -1053,6 +1053,7 @@
1053 1053  
1054 1054  Device will upload a packet if downlink code executes successfully.
1055 1055  
1105 +
1056 1056  **Example payload:**
1057 1057  
1058 1058  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1072,12 +1072,14 @@
1072 1072  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
1073 1073  
1074 1074  
1075 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1076 1076  
1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 +
1077 1077  * AT Command:
1078 1078  
1079 1079  There is no AT Command to control Relay Output
1080 1080  
1132 +
1081 1081  * Downlink Payload (prefix 0x03):
1082 1082  
1083 1083  (% class="box infomessage" %)
... ... @@ -1100,6 +1100,7 @@
1100 1100  Device will upload a packet if downlink code executes successfully.
1101 1101  
1102 1102  
1155 +
1103 1103  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1104 1104  
1105 1105  * AT Command:
... ... @@ -1106,6 +1106,7 @@
1106 1106  
1107 1107  There is no AT Command to control Relay Output
1108 1108  
1162 +
1109 1109  * Downlink Payload (prefix 0x05):
1110 1110  
1111 1111  (% class="box infomessage" %)
... ... @@ -1123,14 +1123,17 @@
1123 1123  
1124 1124  00: Relays will change to an inverter state after timeout
1125 1125  
1180 +
1126 1126  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1127 1127  
1128 1128  [[image:image-20220524093831-10.png]]
1129 1129  
1185 +
1130 1130  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1131 1131  
1132 1132  Device will upload a packet if downlink code executes successfully.
1133 1133  
1190 +
1134 1134  **Example payload:**
1135 1135  
1136 1136  **~1. 05 01 11 07 D0**
... ... @@ -1150,6 +1150,7 @@
1150 1150  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1151 1151  
1152 1152  
1210 +
1153 1153  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1154 1154  
1155 1155  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1161,6 +1161,7 @@
1161 1161  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1162 1162  )))
1163 1163  
1222 +
1164 1164  * Downlink Payload (prefix 0xA5):
1165 1165  
1166 1166  (% class="box infomessage" %)
... ... @@ -1169,6 +1169,7 @@
1169 1169  )))
1170 1170  
1171 1171  
1231 +
1172 1172  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1173 1173  
1174 1174  * AT Command:
... ... @@ -1186,6 +1186,7 @@
1186 1186  
1187 1187  Bb cc dd ee: number to be set
1188 1188  
1249 +
1189 1189  * Downlink Payload (prefix 0xA8):
1190 1190  
1191 1191  (% class="box infomessage" %)
... ... @@ -1194,6 +1194,7 @@
1194 1194  )))
1195 1195  
1196 1196  
1258 +
1197 1197  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1198 1198  
1199 1199  Clear counting for counting mode
... ... @@ -1213,6 +1213,7 @@
1213 1213  )))
1214 1214  
1215 1215  
1278 +
1216 1216  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1217 1217  
1218 1218  * AT Command:
... ... @@ -1235,16 +1235,17 @@
1235 1235  
1236 1236  )))
1237 1237  
1301 +
1238 1238  == 3.5 Integrate with Mydevice ==
1239 1239  
1240 1240  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:
1241 1241  
1242 1242  (((
1243 -**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.
1244 1244  )))
1245 1245  
1246 1246  (((
1247 -**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:
1248 1248  )))
1249 1249  
1250 1250  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1251,12 +1251,13 @@
1251 1251  
1252 1252  [[image:image-20220524094641-11.png||height="390" width="723"]]
1253 1253  
1318 +
1254 1254  [[image:image-20220524094641-12.png||height="402" width="718"]]
1255 1255  
1256 1256  
1257 -**Step 3**: Create an account or log in Mydevices.
1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1258 1258  
1259 -**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" %)
1260 1260  
1261 1261  Search under The things network
1262 1262  
... ... @@ -1263,19 +1263,25 @@
1263 1263  [[image:1653356838789-523.png||height="337" width="740"]]
1264 1264  
1265 1265  
1331 +
1266 1266  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1267 1267  
1268 1268  [[image:image-20220524094909-1.png||height="335" width="729"]]
1269 1269  
1336 +
1270 1270  [[image:image-20220524094909-2.png||height="337" width="729"]]
1271 1271  
1339 +
1272 1272  [[image:image-20220524094909-3.png||height="338" width="727"]]
1273 1273  
1342 +
1274 1274  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1275 1275  
1345 +
1276 1276  [[image:image-20220524094909-5.png||height="341" width="734"]]
1277 1277  
1278 1278  
1349 +
1279 1279  == 3.6 Interface Detail ==
1280 1280  
1281 1281  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1285,6 +1285,7 @@
1285 1285  [[image:1653356991268-289.png]]
1286 1286  
1287 1287  
1359 +
1288 1288  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1289 1289  
1290 1290  (((
... ... @@ -1310,7 +1310,7 @@
1310 1310  )))
1311 1311  
1312 1312  (((
1313 -**Example1**: Connect to a Low active sensor.
1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1314 1314  )))
1315 1315  
1316 1316  (((
... ... @@ -1341,7 +1341,7 @@
1341 1341  )))
1342 1342  
1343 1343  (((
1344 -**Example2**: Connect to a High active sensor.
1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1345 1345  )))
1346 1346  
1347 1347  (((
... ... @@ -1372,7 +1372,7 @@
1372 1372  )))
1373 1373  
1374 1374  (((
1375 -**Example3**: Connect to a 220v high active sensor.
1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1376 1376  )))
1377 1377  
1378 1378  (((
... ... @@ -1399,6 +1399,7 @@
1399 1399  )))
1400 1400  
1401 1401  
1474 +
1402 1402  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1403 1403  
1404 1404  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1406,12 +1406,14 @@
1406 1406  [[image:1653357531600-905.png]]
1407 1407  
1408 1408  
1482 +
1409 1409  === 3.6.4 Analog Input Interface ===
1410 1410  
1411 1411  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:
1412 1412  
1413 -**AC2 = (IN2 voltage )/12**
1414 1414  
1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1489 +
1415 1415  [[image:1653357592296-182.png]]
1416 1416  
1417 1417  Example to connect a 4~~20mA sensor
... ... @@ -1418,22 +1418,24 @@
1418 1418  
1419 1419  We take the wind speed sensor as an example for reference only.
1420 1420  
1421 -Specifications of the wind speed sensor:
1422 1422  
1423 -Red:12~~24v
1497 +**Specifications of the wind speed sensor:**
1424 1424  
1425 -Yellow:4~~20mA
1499 +Red:  12~~24v
1426 1426  
1427 -Black:GND
1501 +Yellow:  4~~20mA
1428 1428  
1503 +Black:  GND
1429 1429  
1430 -Connection diagram:
1431 1431  
1506 +**Connection diagram:**
1507 +
1432 1432  [[image:1653357640609-758.png]]
1433 1433  
1434 1434  [[image:1653357648330-671.png||height="155" width="733"]]
1435 1435  
1436 1436  
1513 +
1437 1437  === 3.6.5 Relay Output ===
1438 1438  
1439 1439  (((
... ... @@ -1445,6 +1445,7 @@
1445 1445  [[image:image-20220524100215-10.png||height="382" width="723"]]
1446 1446  
1447 1447  
1525 +
1448 1448  == 3.7 LEDs Indicators ==
1449 1449  
1450 1450  [[image:image-20220524100748-11.png]]
... ... @@ -1458,6 +1458,7 @@
1458 1458  
1459 1459  [[image:1653358238933-385.png]]
1460 1460  
1539 +
1461 1461  (((
1462 1462  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:
1463 1463  )))
... ... @@ -1464,6 +1464,7 @@
1464 1464  
1465 1465  [[image:1653358355238-883.png]]
1466 1466  
1546 +
1467 1467  (((
1468 1468  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/]]
1469 1469  )))
... ... @@ -1654,12 +1654,16 @@
1654 1654  
1655 1655  )))
1656 1656  
1737 +
1738 +
1657 1657  == 4.2 Common AT Command Sequence ==
1658 1658  
1659 1659  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1660 1660  
1661 1661  (((
1662 -If device has not joined network yet:
1744 +
1745 +
1746 +**If device has not joined network yet:**
1663 1663  )))
1664 1664  
1665 1665  (((
... ... @@ -1684,7 +1684,7 @@
1684 1684  
1685 1685  
1686 1686  (((
1687 -If device already joined network:
1771 +**If device already joined network:**
1688 1688  )))
1689 1689  
1690 1690  (((
... ... @@ -1697,10 +1697,14 @@
1697 1697  
1698 1698  )))
1699 1699  
1784 +
1785 +
1700 1700  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1701 1701  
1702 1702  (((
1703 -(% 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.
1704 1704  )))
1705 1705  
1706 1706  (((
... ... @@ -1708,7 +1708,7 @@
1708 1708  )))
1709 1709  
1710 1710  (((
1711 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1712 1712  )))
1713 1713  
1714 1714  (((
... ... @@ -1716,39 +1716,41 @@
1716 1716  )))
1717 1717  
1718 1718  (((
1719 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -(% 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
1724 1724  )))
1725 1725  
1726 1726  (((
1727 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% 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
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -(% 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
1736 1736  )))
1737 1737  
1738 1738  (((
1739 -(% 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)
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% 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
1744 1744  )))
1745 1745  
1746 1746  (((
1747 -(% 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.
1748 1748  )))
1749 1749  
1750 1750  (((
1751 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1840 +
1841 +
1752 1752  )))
1753 1753  
1754 1754  (((
... ... @@ -1770,6 +1770,7 @@
1770 1770  
1771 1771  )))
1772 1772  
1863 +
1773 1773  === 4.2.3 Change to Class A ===
1774 1774  
1775 1775  If sensor JOINED
... ... @@ -1781,19 +1781,25 @@
1781 1781  
1782 1782  == 5.1 How to upgrade the image? ==
1783 1783  
1875 +
1784 1784  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1785 1785  
1786 1786  * Support new features
1787 1787  * For bug fix
1788 1788  * Change LoRaWAN bands.
1881 +
1789 1789  Below shows the hardware connection for how to upload an image to the LT:
1790 -* [[image:1653359603330-121.png]]
1791 1791  
1884 +[[image:1653359603330-121.png]]
1885 +
1886 +
1792 1792  (((
1793 -**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]].
1794 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1795 -**Step3: **Open flashloader; choose the correct COM port to update.
1796 -**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**(%%):
1797 1797  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.
1798 1798  )))
1799 1799  
... ... @@ -1803,6 +1803,7 @@
1803 1803  
1804 1804  [[image:image-20220524104033-15.png]]
1805 1805  
1903 +
1806 1806  (% 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:
1807 1807  
1808 1808  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1810,6 +1810,8 @@
1810 1810  
1811 1811  (((
1812 1812  (((
1911 +
1912 +
1813 1813  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1814 1814  )))
1815 1815  )))
... ... @@ -1816,11 +1816,11 @@
1816 1816  
1817 1817  (((
1818 1818  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1819 -
1820 -
1821 1821  )))
1822 1822  
1823 1823  (((
1922 +
1923 +
1824 1824  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1825 1825  )))
1826 1826  
... ... @@ -1833,6 +1833,8 @@
1833 1833  (((
1834 1834  (((
1835 1835  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1936 +
1937 +
1836 1836  )))
1837 1837  )))
1838 1838  
... ... @@ -1848,23 +1848,25 @@
1848 1848  (% 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.
1849 1849  )))
1850 1850  
1953 +
1851 1851  (((
1852 1852  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1853 1853  )))
1854 1854  
1855 1855  (((
1856 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1857 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1858 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1859 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1860 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1861 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1862 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1863 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1864 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1865 -(% 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
1866 1866  )))
1867 1867  
1971 +
1868 1868  (((
1869 1869  As shown in below:
1870 1870  )))
... ... @@ -1881,11 +1881,11 @@
1881 1881  == 5.5 Can i use point to point communication for LT-22222-L? ==
1882 1882  
1883 1883  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1884 -
1885 -
1886 1886  )))
1887 1887  
1888 1888  (((
1991 +
1992 +
1889 1889  = 6. Trouble Shooting =
1890 1890  )))
1891 1891  
... ... @@ -1897,11 +1897,11 @@
1897 1897  
1898 1898  (((
1899 1899  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1900 -
1901 -
1902 1902  )))
1903 1903  
1904 1904  (((
2007 +
2008 +
1905 1905  == 6.2 Have trouble to upload image. ==
1906 1906  )))
1907 1907  
... ... @@ -1911,9 +1911,7 @@
1911 1911  
1912 1912  (((
1913 1913  
1914 -)))
1915 1915  
1916 -(((
1917 1917  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1918 1918  )))
1919 1919  
... ... @@ -1921,147 +1921,55 @@
1921 1921  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1922 1922  )))
1923 1923  
1924 -(((
1925 -
1926 -)))
1927 1927  
1928 -(((
2027 +
1929 1929  = 7. Order Info =
1930 -)))
1931 1931  
1932 -(((
1933 -(((
2030 +
1934 1934  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1935 -)))
1936 -)))
1937 1937  
1938 -(((
1939 -(((
2033 +
1940 1940  (% style="color:#4f81bd" %)**XXX:**
1941 -)))
1942 -)))
1943 1943  
1944 -(((
1945 -* (((
1946 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1947 -)))
1948 -)))
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
1949 1949  
1950 -(((
1951 -* (((
1952 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1953 -)))
1954 -)))
1955 -
1956 -(((
1957 -* (((
1958 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1959 -)))
1960 -)))
1961 -
1962 -(((
1963 -* (((
1964 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1965 -)))
1966 -)))
1967 -
1968 -(((
1969 -* (((
1970 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1971 -)))
1972 -)))
1973 -
1974 -(((
1975 -* (((
1976 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1977 -)))
1978 -)))
1979 -
1980 -(((
1981 -* (((
1982 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1983 -)))
1984 -)))
1985 -
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1989 -)))
1990 -)))
1991 -
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1995 -
1996 -
1997 -)))
1998 -
1999 1999  = 8. Packing Info =
2000 -)))
2001 2001  
2002 -(((
2003 -(((
2048 +
2004 2004  **Package Includes**:
2005 -)))
2006 -)))
2007 2007  
2008 -(((
2009 -(((
2010 2010  * LT-22222-L I/O Controller x 1
2011 2011  * Stick Antenna for LoRa RF part x 1
2012 2012  * Bracket for controller x1
2013 2013  * Program cable x 1
2014 -)))
2015 -)))
2016 2016  
2017 -(((
2018 -(((
2019 2019  **Dimension and weight**:
2020 -)))
2021 -)))
2022 2022  
2023 -(((
2024 -(((
2025 2025  * Device Size: 13.5 x 7 x 3 cm
2026 2026  * Device Weight: 105g
2027 2027  * Package Size / pcs : 14.5 x 8 x 5 cm
2028 2028  * Weight / pcs : 170g
2029 2029  
2030 -
2031 -)))
2032 -)))
2033 -
2034 -(((
2035 2035  = 9. Support =
2036 -)))
2037 2037  
2038 2038  * (((
2039 -(((
2040 2040  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.
2041 2041  )))
2042 -)))
2043 2043  * (((
2044 -(((
2045 -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]]
2046 2046  )))
2047 -)))
2048 2048  
2049 -(((
2050 -(((
2051 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2052 -
2053 -
2054 -)))
2055 -
2056 -(((
2057 2057  = 10. Reference​​​​​ =
2058 2058  
2059 -* Product Page:
2060 -
2061 -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]]
2062 -
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]]
2063 2063  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2064 2064  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2065 2065  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2066 -)))
2067 -)))

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