Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.7 >
edited by Xiaoling
on 2022/06/10 08:38
To version < 77.80 >
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.
... ... @@ -230,6 +230,8 @@
230 230  
231 231  )))
232 232  
223 +
224 +
233 233  == 3.2 Example to join LoRaWAN network ==
234 234  
235 235  (((
... ... @@ -271,6 +271,7 @@
271 271  [[image:1653298044601-602.png||height="405" width="709"]]
272 272  
273 273  
266 +
274 274  == 3.3 Uplink Payload ==
275 275  
276 276  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -425,6 +425,7 @@
425 425  )))
426 426  
427 427  
421 +
428 428  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
429 429  
430 430  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -469,6 +469,8 @@
469 469  
470 470  )))
471 471  
466 +
467 +
472 472  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
473 473  
474 474  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -492,6 +492,8 @@
492 492  )))
493 493  
494 494  (((
491 +
492 +
495 495  **To use this mode, please run:**
496 496  )))
497 497  
... ... @@ -518,6 +518,8 @@
518 518  )))
519 519  
520 520  (((
519 +
520 +
521 521  **Plus below command for AVI1 Counting:**
522 522  )))
523 523  
... ... @@ -550,6 +550,7 @@
550 550  )))
551 551  
552 552  
553 +
553 553  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
554 554  
555 555  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -557,6 +557,8 @@
557 557  [[image:image-20220523182334-9.png]]
558 558  
559 559  (((
561 +
562 +
560 560  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
561 561  )))
562 562  
... ... @@ -571,6 +571,8 @@
571 571  )))
572 572  
573 573  (((
577 +
578 +
574 574  **To use this mode, please run:**
575 575  )))
576 576  
... ... @@ -590,10 +590,10 @@
590 590  
591 591  (((
592 592  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
593 -
594 -
595 595  )))
596 596  
600 +
601 +
597 597  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
598 598  
599 599  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -603,11 +603,13 @@
603 603  * **AT+MOD=1 ** **~-~->** The normal working mode
604 604  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
605 605  
611 +
606 606  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
607 607  
608 608  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
609 609  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.**
610 610  
617 +
611 611  **AT Command to set Trigger Condition**:
612 612  
613 613  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -659,14 +659,17 @@
659 659  
660 660   Yy4 yy4: AC2 or AV2 high limit.
661 661  
669 +
662 662  **Example1**: AA 00 13 88 00 00 00 00 00 00
663 663  
664 664  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
665 665  
674 +
666 666  **Example2**: AA 02 01 00
667 667  
668 668  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
669 669  
679 +
670 670  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
671 671  
672 672  MOD6 Payload : total 11 bytes payload
... ... @@ -673,6 +673,7 @@
673 673  
674 674  [[image:image-20220524085923-1.png]]
675 675  
686 +
676 676  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
677 677  
678 678  [[image:image-20220524090106-2.png]]
... ... @@ -679,6 +679,7 @@
679 679  
680 680  * Each bits shows if the corresponding trigger has been configured.
681 681  
693 +
682 682  **Example:**
683 683  
684 684  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -690,6 +690,7 @@
690 690  
691 691  * Each bits shows which status has been trigger on this uplink.
692 692  
705 +
693 693  **Example:**
694 694  
695 695  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -701,6 +701,7 @@
701 701  
702 702  * Each bits shows which status has been trigger on this uplink.
703 703  
717 +
704 704  **Example:**
705 705  
706 706  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -717,6 +717,7 @@
717 717  When device got this command, it will send the MOD6 payload.
718 718  
719 719  
734 +
720 720  === 3.3.7 Payload Decoder ===
721 721  
722 722  (((
... ... @@ -725,6 +725,8 @@
725 725  
726 726  )))
727 727  
743 +
744 +
728 728  == 3.4 ​Configure LT via AT or Downlink ==
729 729  
730 730  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -737,11 +737,14 @@
737 737  
738 738  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
739 739  
757 +
758 +
740 740  === 3.4.1 Common Commands ===
741 741  
742 742  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]]
743 743  
744 744  
764 +
745 745  === 3.4.2 Sensor related commands ===
746 746  
747 747  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -757,6 +757,7 @@
757 757  
758 758  **Example: **AT+TDC=30000. Means set interval to 30 seconds
759 759  
780 +
760 760  * Downlink Payload (prefix 0x01):
761 761  
762 762  (% class="box infomessage" %)
... ... @@ -765,6 +765,7 @@
765 765  )))
766 766  
767 767  
789 +
768 768  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
769 769  
770 770  Set work mode.
... ... @@ -778,6 +778,7 @@
778 778  
779 779  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
780 780  
803 +
781 781  * Downlink Payload (prefix 0x0A):
782 782  
783 783  (% class="box infomessage" %)
... ... @@ -786,6 +786,7 @@
786 786  )))
787 787  
788 788  
812 +
789 789  ==== 3.4.2.3 Poll an uplink ====
790 790  
791 791  * AT Command:
... ... @@ -792,6 +792,7 @@
792 792  
793 793  There is no AT Command to poll uplink
794 794  
819 +
795 795  * Downlink Payload (prefix 0x08):
796 796  
797 797  (% class="box infomessage" %)
... ... @@ -802,6 +802,7 @@
802 802  **Example**: 0x08FF, ask device to send an Uplink
803 803  
804 804  
830 +
805 805  ==== 3.4.2.4 Enable Trigger Mode ====
806 806  
807 807  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -817,6 +817,7 @@
817 817  
818 818  0: Disable Trigger Mode
819 819  
846 +
820 820  * Downlink Payload (prefix 0x0A 06):
821 821  
822 822  (% class="box infomessage" %)
... ... @@ -825,6 +825,7 @@
825 825  )))
826 826  
827 827  
855 +
828 828  ==== 3.4.2.5 Poll trigger settings ====
829 829  
830 830  Poll trigger settings,
... ... @@ -833,6 +833,7 @@
833 833  
834 834  There is no AT Command for this feature.
835 835  
864 +
836 836  * Downlink Payload (prefix 0x AB 06):
837 837  
838 838  (% class="box infomessage" %)
... ... @@ -841,6 +841,7 @@
841 841  )))
842 842  
843 843  
873 +
844 844  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
845 845  
846 846  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -852,6 +852,7 @@
852 852  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
853 853  )))
854 854  
885 +
855 855  **Example:**
856 856  
857 857  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -864,6 +864,7 @@
864 864  )))
865 865  
866 866  
898 +
867 867  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
868 868  
869 869  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -879,10 +879,12 @@
879 879  
880 880  b : delay timing.
881 881  
914 +
882 882  **Example:**
883 883  
884 884  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
885 885  
919 +
886 886  * Downlink Payload (prefix 0x09 01 ):
887 887  
888 888  (% class="box infomessage" %)
... ... @@ -891,6 +891,7 @@
891 891  )))
892 892  
893 893  
928 +
894 894  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
895 895  
896 896  Set DI2 trigger.
... ... @@ -906,10 +906,12 @@
906 906  
907 907  b : delay timing.
908 908  
944 +
909 909  **Example:**
910 910  
911 911  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
912 912  
949 +
913 913  * Downlink Payload (prefix 0x09 02 ):
914 914  
915 915  (% class="box infomessage" %)
... ... @@ -918,6 +918,7 @@
918 918  )))
919 919  
920 920  
958 +
921 921  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
922 922  
923 923  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -929,6 +929,7 @@
929 929  **AT+ACLIM. **
930 930  )))
931 931  
970 +
932 932  * Downlink Payload (prefix 0xAA 01 ):
933 933  
934 934  (% class="box infomessage" %)
... ... @@ -937,6 +937,7 @@
937 937  )))
938 938  
939 939  
979 +
940 940  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
941 941  
942 942  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -948,6 +948,7 @@
948 948  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
949 949  )))
950 950  
991 +
951 951  * Downlink Payload (prefix 0xAA 00 ):
952 952  
953 953  (% class="box infomessage" %)
... ... @@ -956,6 +956,7 @@
956 956  )))
957 957  
958 958  
1000 +
959 959  ==== 3.4.2.11 Trigger – Set minimum interval ====
960 960  
961 961  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -967,6 +967,7 @@
967 967  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
968 968  )))
969 969  
1012 +
970 970  * Downlink Payload (prefix 0xAC ):
971 971  
972 972  (% class="box infomessage" %)
... ... @@ -975,6 +975,7 @@
975 975  )))
976 976  
977 977  
1021 +
978 978  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
979 979  
980 980  * AT Command:
... ... @@ -981,6 +981,7 @@
981 981  
982 982  There is no AT Command to control Digital Output
983 983  
1028 +
984 984  * Downlink Payload (prefix 0x02):
985 985  
986 986  (% class="box infomessage" %)
... ... @@ -1007,6 +1007,7 @@
1007 1007  )))
1008 1008  
1009 1009  
1055 +
1010 1010  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1011 1011  
1012 1012  * AT Command:
... ... @@ -1013,6 +1013,7 @@
1013 1013  
1014 1014  There is no AT Command to control Digital Output
1015 1015  
1062 +
1016 1016  * Downlink Payload (prefix 0xA9):
1017 1017  
1018 1018  (% class="box infomessage" %)
... ... @@ -1032,18 +1032,22 @@
1032 1032  
1033 1033  00: DO pins will change to an inverter state after timeout 
1034 1034  
1082 +
1035 1035  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1036 1036  
1037 1037  [[image:image-20220524093238-6.png]]
1038 1038  
1087 +
1039 1039  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1040 1040  
1041 1041  [[image:image-20220524093328-7.png]]
1042 1042  
1092 +
1043 1043  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1044 1044  
1045 1045  [[image:image-20220524093351-8.png]]
1046 1046  
1097 +
1047 1047  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1048 1048  
1049 1049   Latching time. Unit: ms
... ... @@ -1050,6 +1050,7 @@
1050 1050  
1051 1051  Device will upload a packet if downlink code executes successfully.
1052 1052  
1104 +
1053 1053  **Example payload:**
1054 1054  
1055 1055  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1069,12 +1069,14 @@
1069 1069  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
1070 1070  
1071 1071  
1072 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1073 1073  
1125 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1126 +
1074 1074  * AT Command:
1075 1075  
1076 1076  There is no AT Command to control Relay Output
1077 1077  
1131 +
1078 1078  * Downlink Payload (prefix 0x03):
1079 1079  
1080 1080  (% class="box infomessage" %)
... ... @@ -1097,6 +1097,7 @@
1097 1097  Device will upload a packet if downlink code executes successfully.
1098 1098  
1099 1099  
1154 +
1100 1100  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1101 1101  
1102 1102  * AT Command:
... ... @@ -1103,6 +1103,7 @@
1103 1103  
1104 1104  There is no AT Command to control Relay Output
1105 1105  
1161 +
1106 1106  * Downlink Payload (prefix 0x05):
1107 1107  
1108 1108  (% class="box infomessage" %)
... ... @@ -1120,14 +1120,17 @@
1120 1120  
1121 1121  00: Relays will change to an inverter state after timeout
1122 1122  
1179 +
1123 1123  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1124 1124  
1125 1125  [[image:image-20220524093831-10.png]]
1126 1126  
1184 +
1127 1127  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1128 1128  
1129 1129  Device will upload a packet if downlink code executes successfully.
1130 1130  
1189 +
1131 1131  **Example payload:**
1132 1132  
1133 1133  **~1. 05 01 11 07 D0**
... ... @@ -1147,6 +1147,7 @@
1147 1147  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1148 1148  
1149 1149  
1209 +
1150 1150  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1151 1151  
1152 1152  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1158,6 +1158,7 @@
1158 1158  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1159 1159  )))
1160 1160  
1221 +
1161 1161  * Downlink Payload (prefix 0xA5):
1162 1162  
1163 1163  (% class="box infomessage" %)
... ... @@ -1166,6 +1166,7 @@
1166 1166  )))
1167 1167  
1168 1168  
1230 +
1169 1169  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1170 1170  
1171 1171  * AT Command:
... ... @@ -1183,6 +1183,7 @@
1183 1183  
1184 1184  Bb cc dd ee: number to be set
1185 1185  
1248 +
1186 1186  * Downlink Payload (prefix 0xA8):
1187 1187  
1188 1188  (% class="box infomessage" %)
... ... @@ -1191,6 +1191,7 @@
1191 1191  )))
1192 1192  
1193 1193  
1257 +
1194 1194  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1195 1195  
1196 1196  Clear counting for counting mode
... ... @@ -1210,6 +1210,7 @@
1210 1210  )))
1211 1211  
1212 1212  
1277 +
1213 1213  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1214 1214  
1215 1215  * AT Command:
... ... @@ -1232,16 +1232,17 @@
1232 1232  
1233 1233  )))
1234 1234  
1300 +
1235 1235  == 3.5 Integrate with Mydevice ==
1236 1236  
1237 1237  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:
1238 1238  
1239 1239  (((
1240 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1306 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1241 1241  )))
1242 1242  
1243 1243  (((
1244 -**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:
1310 +(% 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:
1245 1245  )))
1246 1246  
1247 1247  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1248,12 +1248,13 @@
1248 1248  
1249 1249  [[image:image-20220524094641-11.png||height="390" width="723"]]
1250 1250  
1317 +
1251 1251  [[image:image-20220524094641-12.png||height="402" width="718"]]
1252 1252  
1253 1253  
1254 -**Step 3**: Create an account or log in Mydevices.
1321 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1255 1255  
1256 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1323 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1257 1257  
1258 1258  Search under The things network
1259 1259  
... ... @@ -1260,19 +1260,25 @@
1260 1260  [[image:1653356838789-523.png||height="337" width="740"]]
1261 1261  
1262 1262  
1330 +
1263 1263  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1264 1264  
1265 1265  [[image:image-20220524094909-1.png||height="335" width="729"]]
1266 1266  
1335 +
1267 1267  [[image:image-20220524094909-2.png||height="337" width="729"]]
1268 1268  
1338 +
1269 1269  [[image:image-20220524094909-3.png||height="338" width="727"]]
1270 1270  
1341 +
1271 1271  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1272 1272  
1344 +
1273 1273  [[image:image-20220524094909-5.png||height="341" width="734"]]
1274 1274  
1275 1275  
1348 +
1276 1276  == 3.6 Interface Detail ==
1277 1277  
1278 1278  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1282,6 +1282,7 @@
1282 1282  [[image:1653356991268-289.png]]
1283 1283  
1284 1284  
1358 +
1285 1285  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1286 1286  
1287 1287  (((
... ... @@ -1307,7 +1307,7 @@
1307 1307  )))
1308 1308  
1309 1309  (((
1310 -**Example1**: Connect to a Low active sensor.
1384 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1311 1311  )))
1312 1312  
1313 1313  (((
... ... @@ -1338,7 +1338,7 @@
1338 1338  )))
1339 1339  
1340 1340  (((
1341 -**Example2**: Connect to a High active sensor.
1415 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1342 1342  )))
1343 1343  
1344 1344  (((
... ... @@ -1369,7 +1369,7 @@
1369 1369  )))
1370 1370  
1371 1371  (((
1372 -**Example3**: Connect to a 220v high active sensor.
1446 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1373 1373  )))
1374 1374  
1375 1375  (((
... ... @@ -1396,6 +1396,7 @@
1396 1396  )))
1397 1397  
1398 1398  
1473 +
1399 1399  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1400 1400  
1401 1401  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1403,12 +1403,14 @@
1403 1403  [[image:1653357531600-905.png]]
1404 1404  
1405 1405  
1481 +
1406 1406  === 3.6.4 Analog Input Interface ===
1407 1407  
1408 1408  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:
1409 1409  
1410 -**AC2 = (IN2 voltage )/12**
1411 1411  
1487 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1488 +
1412 1412  [[image:1653357592296-182.png]]
1413 1413  
1414 1414  Example to connect a 4~~20mA sensor
... ... @@ -1415,22 +1415,24 @@
1415 1415  
1416 1416  We take the wind speed sensor as an example for reference only.
1417 1417  
1418 -Specifications of the wind speed sensor:
1419 1419  
1420 -Red:12~~24v
1496 +**Specifications of the wind speed sensor:**
1421 1421  
1422 -Yellow:4~~20mA
1498 +Red:  12~~24v
1423 1423  
1424 -Black:GND
1500 +Yellow:  4~~20mA
1425 1425  
1502 +Black:  GND
1426 1426  
1427 -Connection diagram:
1428 1428  
1505 +**Connection diagram:**
1506 +
1429 1429  [[image:1653357640609-758.png]]
1430 1430  
1431 1431  [[image:1653357648330-671.png||height="155" width="733"]]
1432 1432  
1433 1433  
1512 +
1434 1434  === 3.6.5 Relay Output ===
1435 1435  
1436 1436  (((
... ... @@ -1442,6 +1442,7 @@
1442 1442  [[image:image-20220524100215-10.png||height="382" width="723"]]
1443 1443  
1444 1444  
1524 +
1445 1445  == 3.7 LEDs Indicators ==
1446 1446  
1447 1447  [[image:image-20220524100748-11.png]]
... ... @@ -1455,6 +1455,7 @@
1455 1455  
1456 1456  [[image:1653358238933-385.png]]
1457 1457  
1538 +
1458 1458  (((
1459 1459  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:
1460 1460  )))
... ... @@ -1461,6 +1461,7 @@
1461 1461  
1462 1462  [[image:1653358355238-883.png]]
1463 1463  
1545 +
1464 1464  (((
1465 1465  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/]]
1466 1466  )))
... ... @@ -1651,12 +1651,16 @@
1651 1651  
1652 1652  )))
1653 1653  
1736 +
1737 +
1654 1654  == 4.2 Common AT Command Sequence ==
1655 1655  
1656 1656  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1657 1657  
1658 1658  (((
1659 -If device has not joined network yet:
1743 +
1744 +
1745 +**If device has not joined network yet:**
1660 1660  )))
1661 1661  
1662 1662  (((
... ... @@ -1681,7 +1681,7 @@
1681 1681  
1682 1682  
1683 1683  (((
1684 -If device already joined network:
1770 +**If device already joined network:**
1685 1685  )))
1686 1686  
1687 1687  (((
... ... @@ -1694,10 +1694,14 @@
1694 1694  
1695 1695  )))
1696 1696  
1783 +
1784 +
1697 1697  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1698 1698  
1699 1699  (((
1700 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1788 +
1789 +
1790 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1701 1701  )))
1702 1702  
1703 1703  (((
... ... @@ -1705,7 +1705,7 @@
1705 1705  )))
1706 1706  
1707 1707  (((
1708 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1798 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1709 1709  )))
1710 1710  
1711 1711  (((
... ... @@ -1713,39 +1713,41 @@
1713 1713  )))
1714 1714  
1715 1715  (((
1716 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1806 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1717 1717  )))
1718 1718  
1719 1719  (((
1720 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1810 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1721 1721  )))
1722 1722  
1723 1723  (((
1724 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1814 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1725 1725  )))
1726 1726  
1727 1727  (((
1728 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1818 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1729 1729  )))
1730 1730  
1731 1731  (((
1732 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1822 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1733 1733  )))
1734 1734  
1735 1735  (((
1736 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1826 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1737 1737  )))
1738 1738  
1739 1739  (((
1740 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1830 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1741 1741  )))
1742 1742  
1743 1743  (((
1744 -(% 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.
1834 +(% 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.
1745 1745  )))
1746 1746  
1747 1747  (((
1748 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1838 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +
1840 +
1749 1749  )))
1750 1750  
1751 1751  (((
... ... @@ -1767,6 +1767,7 @@
1767 1767  
1768 1768  )))
1769 1769  
1862 +
1770 1770  === 4.2.3 Change to Class A ===
1771 1771  
1772 1772  If sensor JOINED
... ... @@ -1778,19 +1778,25 @@
1778 1778  
1779 1779  == 5.1 How to upgrade the image? ==
1780 1780  
1874 +
1781 1781  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1782 1782  
1783 1783  * Support new features
1784 1784  * For bug fix
1785 1785  * Change LoRaWAN bands.
1880 +
1786 1786  Below shows the hardware connection for how to upload an image to the LT:
1787 -* [[image:1653359603330-121.png]]
1788 1788  
1883 +[[image:1653359603330-121.png]]
1884 +
1885 +
1789 1789  (((
1790 -**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]].
1791 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1792 -**Step3: **Open flashloader; choose the correct COM port to update.
1793 -**For LT-22222-L**:
1887 +(% 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]].
1888 +(% 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/]].
1889 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1890 +
1891 +
1892 +(% style="color:blue" %)**For LT-22222-L**(%%):
1794 1794  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.
1795 1795  )))
1796 1796  
... ... @@ -1800,6 +1800,7 @@
1800 1800  
1801 1801  [[image:image-20220524104033-15.png]]
1802 1802  
1902 +
1803 1803  (% 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:
1804 1804  
1805 1805  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1807,6 +1807,8 @@
1807 1807  
1808 1808  (((
1809 1809  (((
1910 +
1911 +
1810 1810  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1811 1811  )))
1812 1812  )))
... ... @@ -1813,11 +1813,11 @@
1813 1813  
1814 1814  (((
1815 1815  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1816 -
1817 -
1818 1818  )))
1819 1819  
1820 1820  (((
1921 +
1922 +
1821 1821  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1822 1822  )))
1823 1823  
... ... @@ -1830,6 +1830,8 @@
1830 1830  (((
1831 1831  (((
1832 1832  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1935 +
1936 +
1833 1833  )))
1834 1834  )))
1835 1835  
... ... @@ -1845,23 +1845,25 @@
1845 1845  (% 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.
1846 1846  )))
1847 1847  
1952 +
1848 1848  (((
1849 1849  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1850 1850  )))
1851 1851  
1852 1852  (((
1853 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1854 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1855 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1856 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1857 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1858 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1859 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1860 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1861 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1862 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1958 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1959 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1960 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1961 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1962 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1963 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1964 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1965 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1966 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1967 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1863 1863  )))
1864 1864  
1970 +
1865 1865  (((
1866 1866  As shown in below:
1867 1867  )))
... ... @@ -1878,11 +1878,11 @@
1878 1878  == 5.5 Can i use point to point communication for LT-22222-L? ==
1879 1879  
1880 1880  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1881 -
1882 -
1883 1883  )))
1884 1884  
1885 1885  (((
1990 +
1991 +
1886 1886  = 6. Trouble Shooting =
1887 1887  )))
1888 1888  
... ... @@ -1894,11 +1894,11 @@
1894 1894  
1895 1895  (((
1896 1896  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1897 -
1898 -
1899 1899  )))
1900 1900  
1901 1901  (((
2006 +
2007 +
1902 1902  == 6.2 Have trouble to upload image. ==
1903 1903  )))
1904 1904  
... ... @@ -1908,9 +1908,7 @@
1908 1908  
1909 1909  (((
1910 1910  
1911 -)))
1912 1912  
1913 -(((
1914 1914  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1915 1915  )))
1916 1916  
... ... @@ -1918,147 +1918,55 @@
1918 1918  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1919 1919  )))
1920 1920  
1921 -(((
1922 -
1923 -)))
1924 1924  
1925 -(((
2026 +
1926 1926  = 7. Order Info =
1927 -)))
1928 1928  
1929 -(((
1930 -(((
2029 +
1931 1931  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1932 -)))
1933 -)))
1934 1934  
1935 -(((
1936 -(((
2032 +
1937 1937  (% style="color:#4f81bd" %)**XXX:**
1938 -)))
1939 -)))
1940 1940  
1941 -(((
1942 -* (((
1943 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1944 -)))
1945 -)))
2035 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2036 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2037 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2038 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2039 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2040 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2041 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2042 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2043 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1946 1946  
1947 -(((
1948 -* (((
1949 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1950 -)))
1951 -)))
1952 -
1953 -(((
1954 -* (((
1955 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1956 -)))
1957 -)))
1958 -
1959 -(((
1960 -* (((
1961 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1962 -)))
1963 -)))
1964 -
1965 -(((
1966 -* (((
1967 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1968 -)))
1969 -)))
1970 -
1971 -(((
1972 -* (((
1973 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1974 -)))
1975 -)))
1976 -
1977 -(((
1978 -* (((
1979 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1980 -)))
1981 -)))
1982 -
1983 -(((
1984 -* (((
1985 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1986 -)))
1987 -)))
1988 -
1989 -(((
1990 -* (((
1991 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1992 -
1993 -
1994 -)))
1995 -
1996 1996  = 8. Packing Info =
1997 -)))
1998 1998  
1999 -(((
2000 -(((
2047 +
2001 2001  **Package Includes**:
2002 -)))
2003 -)))
2004 2004  
2005 -(((
2006 -(((
2007 2007  * LT-22222-L I/O Controller x 1
2008 2008  * Stick Antenna for LoRa RF part x 1
2009 2009  * Bracket for controller x1
2010 2010  * Program cable x 1
2011 -)))
2012 -)))
2013 2013  
2014 -(((
2015 -(((
2016 2016  **Dimension and weight**:
2017 -)))
2018 -)))
2019 2019  
2020 -(((
2021 -(((
2022 2022  * Device Size: 13.5 x 7 x 3 cm
2023 2023  * Device Weight: 105g
2024 2024  * Package Size / pcs : 14.5 x 8 x 5 cm
2025 2025  * Weight / pcs : 170g
2026 2026  
2027 -
2028 -)))
2029 -)))
2030 -
2031 -(((
2032 2032  = 9. Support =
2033 -)))
2034 2034  
2035 2035  * (((
2036 -(((
2037 2037  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.
2038 2038  )))
2039 -)))
2040 2040  * (((
2041 -(((
2042 -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
2068 +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]]
2043 2043  )))
2044 -)))
2045 2045  
2046 -(((
2047 -(((
2048 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2049 -
2050 -
2051 -)))
2052 -
2053 -(((
2054 2054  = 10. Reference​​​​​ =
2055 2055  
2056 -* Product Page:
2057 -
2058 -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]]
2059 -
2073 +* 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]]
2060 2060  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2061 2061  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2062 2062  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2063 -)))
2064 -)))

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