Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.8 >
edited by Xiaoling
on 2022/06/10 08:38
To version < 77.81 >
edited by Xiaoling
on 2022/06/10 09:25
>
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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.
... ... @@ -273,6 +273,7 @@
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
274 274  
275 275  
266 +
276 276  == 3.3 Uplink Payload ==
277 277  
278 278  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -427,6 +427,7 @@
427 427  )))
428 428  
429 429  
421 +
430 430  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
431 431  
432 432  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -471,6 +471,8 @@
471 471  
472 472  )))
473 473  
466 +
467 +
474 474  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
475 475  
476 476  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -494,6 +494,8 @@
494 494  )))
495 495  
496 496  (((
491 +
492 +
497 497  **To use this mode, please run:**
498 498  )))
499 499  
... ... @@ -520,6 +520,8 @@
520 520  )))
521 521  
522 522  (((
519 +
520 +
523 523  **Plus below command for AVI1 Counting:**
524 524  )))
525 525  
... ... @@ -552,13 +552,17 @@
552 552  )))
553 553  
554 554  
553 +
555 555  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
556 556  
556 +
557 557  **LT22222-L**: This mode the DI1 is used as a counting pin.
558 558  
559 559  [[image:image-20220523182334-9.png]]
560 560  
561 561  (((
562 +
563 +
562 562  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
563 563  )))
564 564  
... ... @@ -573,6 +573,8 @@
573 573  )))
574 574  
575 575  (((
578 +
579 +
576 576  **To use this mode, please run:**
577 577  )))
578 578  
... ... @@ -592,10 +592,10 @@
592 592  
593 593  (((
594 594  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
595 -
596 -
597 597  )))
598 598  
601 +
602 +
599 599  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
600 600  
601 601  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -605,11 +605,13 @@
605 605  * **AT+MOD=1 ** **~-~->** The normal working mode
606 606  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
607 607  
612 +
608 608  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
609 609  
610 610  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
611 611  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.**
612 612  
618 +
613 613  **AT Command to set Trigger Condition**:
614 614  
615 615  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -661,14 +661,17 @@
661 661  
662 662   Yy4 yy4: AC2 or AV2 high limit.
663 663  
670 +
664 664  **Example1**: AA 00 13 88 00 00 00 00 00 00
665 665  
666 666  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
667 667  
675 +
668 668  **Example2**: AA 02 01 00
669 669  
670 670  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
671 671  
680 +
672 672  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
673 673  
674 674  MOD6 Payload : total 11 bytes payload
... ... @@ -675,6 +675,7 @@
675 675  
676 676  [[image:image-20220524085923-1.png]]
677 677  
687 +
678 678  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
679 679  
680 680  [[image:image-20220524090106-2.png]]
... ... @@ -681,6 +681,7 @@
681 681  
682 682  * Each bits shows if the corresponding trigger has been configured.
683 683  
694 +
684 684  **Example:**
685 685  
686 686  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -692,6 +692,7 @@
692 692  
693 693  * Each bits shows which status has been trigger on this uplink.
694 694  
706 +
695 695  **Example:**
696 696  
697 697  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -703,6 +703,7 @@
703 703  
704 704  * Each bits shows which status has been trigger on this uplink.
705 705  
718 +
706 706  **Example:**
707 707  
708 708  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -719,6 +719,7 @@
719 719  When device got this command, it will send the MOD6 payload.
720 720  
721 721  
735 +
722 722  === 3.3.7 Payload Decoder ===
723 723  
724 724  (((
... ... @@ -727,6 +727,8 @@
727 727  
728 728  )))
729 729  
744 +
745 +
730 730  == 3.4 ​Configure LT via AT or Downlink ==
731 731  
732 732  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -739,11 +739,14 @@
739 739  
740 740  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
741 741  
758 +
759 +
742 742  === 3.4.1 Common Commands ===
743 743  
744 744  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]]
745 745  
746 746  
765 +
747 747  === 3.4.2 Sensor related commands ===
748 748  
749 749  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -759,6 +759,7 @@
759 759  
760 760  **Example: **AT+TDC=30000. Means set interval to 30 seconds
761 761  
781 +
762 762  * Downlink Payload (prefix 0x01):
763 763  
764 764  (% class="box infomessage" %)
... ... @@ -767,6 +767,7 @@
767 767  )))
768 768  
769 769  
790 +
770 770  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
771 771  
772 772  Set work mode.
... ... @@ -780,6 +780,7 @@
780 780  
781 781  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
782 782  
804 +
783 783  * Downlink Payload (prefix 0x0A):
784 784  
785 785  (% class="box infomessage" %)
... ... @@ -788,6 +788,7 @@
788 788  )))
789 789  
790 790  
813 +
791 791  ==== 3.4.2.3 Poll an uplink ====
792 792  
793 793  * AT Command:
... ... @@ -794,6 +794,7 @@
794 794  
795 795  There is no AT Command to poll uplink
796 796  
820 +
797 797  * Downlink Payload (prefix 0x08):
798 798  
799 799  (% class="box infomessage" %)
... ... @@ -804,6 +804,7 @@
804 804  **Example**: 0x08FF, ask device to send an Uplink
805 805  
806 806  
831 +
807 807  ==== 3.4.2.4 Enable Trigger Mode ====
808 808  
809 809  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -819,6 +819,7 @@
819 819  
820 820  0: Disable Trigger Mode
821 821  
847 +
822 822  * Downlink Payload (prefix 0x0A 06):
823 823  
824 824  (% class="box infomessage" %)
... ... @@ -827,6 +827,7 @@
827 827  )))
828 828  
829 829  
856 +
830 830  ==== 3.4.2.5 Poll trigger settings ====
831 831  
832 832  Poll trigger settings,
... ... @@ -835,6 +835,7 @@
835 835  
836 836  There is no AT Command for this feature.
837 837  
865 +
838 838  * Downlink Payload (prefix 0x AB 06):
839 839  
840 840  (% class="box infomessage" %)
... ... @@ -843,6 +843,7 @@
843 843  )))
844 844  
845 845  
874 +
846 846  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
847 847  
848 848  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -854,6 +854,7 @@
854 854  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
855 855  )))
856 856  
886 +
857 857  **Example:**
858 858  
859 859  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -866,6 +866,7 @@
866 866  )))
867 867  
868 868  
899 +
869 869  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
870 870  
871 871  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -881,10 +881,12 @@
881 881  
882 882  b : delay timing.
883 883  
915 +
884 884  **Example:**
885 885  
886 886  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
887 887  
920 +
888 888  * Downlink Payload (prefix 0x09 01 ):
889 889  
890 890  (% class="box infomessage" %)
... ... @@ -893,6 +893,7 @@
893 893  )))
894 894  
895 895  
929 +
896 896  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
897 897  
898 898  Set DI2 trigger.
... ... @@ -908,10 +908,12 @@
908 908  
909 909  b : delay timing.
910 910  
945 +
911 911  **Example:**
912 912  
913 913  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
914 914  
950 +
915 915  * Downlink Payload (prefix 0x09 02 ):
916 916  
917 917  (% class="box infomessage" %)
... ... @@ -920,6 +920,7 @@
920 920  )))
921 921  
922 922  
959 +
923 923  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
924 924  
925 925  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -931,6 +931,7 @@
931 931  **AT+ACLIM. **
932 932  )))
933 933  
971 +
934 934  * Downlink Payload (prefix 0xAA 01 ):
935 935  
936 936  (% class="box infomessage" %)
... ... @@ -939,6 +939,7 @@
939 939  )))
940 940  
941 941  
980 +
942 942  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
943 943  
944 944  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -950,6 +950,7 @@
950 950  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
951 951  )))
952 952  
992 +
953 953  * Downlink Payload (prefix 0xAA 00 ):
954 954  
955 955  (% class="box infomessage" %)
... ... @@ -958,6 +958,7 @@
958 958  )))
959 959  
960 960  
1001 +
961 961  ==== 3.4.2.11 Trigger – Set minimum interval ====
962 962  
963 963  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -969,6 +969,7 @@
969 969  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
970 970  )))
971 971  
1013 +
972 972  * Downlink Payload (prefix 0xAC ):
973 973  
974 974  (% class="box infomessage" %)
... ... @@ -977,6 +977,7 @@
977 977  )))
978 978  
979 979  
1022 +
980 980  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
981 981  
982 982  * AT Command:
... ... @@ -983,6 +983,7 @@
983 983  
984 984  There is no AT Command to control Digital Output
985 985  
1029 +
986 986  * Downlink Payload (prefix 0x02):
987 987  
988 988  (% class="box infomessage" %)
... ... @@ -1009,6 +1009,7 @@
1009 1009  )))
1010 1010  
1011 1011  
1056 +
1012 1012  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1013 1013  
1014 1014  * AT Command:
... ... @@ -1015,6 +1015,7 @@
1015 1015  
1016 1016  There is no AT Command to control Digital Output
1017 1017  
1063 +
1018 1018  * Downlink Payload (prefix 0xA9):
1019 1019  
1020 1020  (% class="box infomessage" %)
... ... @@ -1034,18 +1034,22 @@
1034 1034  
1035 1035  00: DO pins will change to an inverter state after timeout 
1036 1036  
1083 +
1037 1037  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1038 1038  
1039 1039  [[image:image-20220524093238-6.png]]
1040 1040  
1088 +
1041 1041  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1042 1042  
1043 1043  [[image:image-20220524093328-7.png]]
1044 1044  
1093 +
1045 1045  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1046 1046  
1047 1047  [[image:image-20220524093351-8.png]]
1048 1048  
1098 +
1049 1049  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1050 1050  
1051 1051   Latching time. Unit: ms
... ... @@ -1052,6 +1052,7 @@
1052 1052  
1053 1053  Device will upload a packet if downlink code executes successfully.
1054 1054  
1105 +
1055 1055  **Example payload:**
1056 1056  
1057 1057  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1071,12 +1071,14 @@
1071 1071  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
1072 1072  
1073 1073  
1074 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1075 1075  
1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 +
1076 1076  * AT Command:
1077 1077  
1078 1078  There is no AT Command to control Relay Output
1079 1079  
1132 +
1080 1080  * Downlink Payload (prefix 0x03):
1081 1081  
1082 1082  (% class="box infomessage" %)
... ... @@ -1099,6 +1099,7 @@
1099 1099  Device will upload a packet if downlink code executes successfully.
1100 1100  
1101 1101  
1155 +
1102 1102  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1103 1103  
1104 1104  * AT Command:
... ... @@ -1105,6 +1105,7 @@
1105 1105  
1106 1106  There is no AT Command to control Relay Output
1107 1107  
1162 +
1108 1108  * Downlink Payload (prefix 0x05):
1109 1109  
1110 1110  (% class="box infomessage" %)
... ... @@ -1122,14 +1122,17 @@
1122 1122  
1123 1123  00: Relays will change to an inverter state after timeout
1124 1124  
1180 +
1125 1125  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1126 1126  
1127 1127  [[image:image-20220524093831-10.png]]
1128 1128  
1185 +
1129 1129  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1130 1130  
1131 1131  Device will upload a packet if downlink code executes successfully.
1132 1132  
1190 +
1133 1133  **Example payload:**
1134 1134  
1135 1135  **~1. 05 01 11 07 D0**
... ... @@ -1149,6 +1149,7 @@
1149 1149  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1150 1150  
1151 1151  
1210 +
1152 1152  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1153 1153  
1154 1154  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1160,6 +1160,7 @@
1160 1160  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1161 1161  )))
1162 1162  
1222 +
1163 1163  * Downlink Payload (prefix 0xA5):
1164 1164  
1165 1165  (% class="box infomessage" %)
... ... @@ -1168,6 +1168,7 @@
1168 1168  )))
1169 1169  
1170 1170  
1231 +
1171 1171  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1172 1172  
1173 1173  * AT Command:
... ... @@ -1185,6 +1185,7 @@
1185 1185  
1186 1186  Bb cc dd ee: number to be set
1187 1187  
1249 +
1188 1188  * Downlink Payload (prefix 0xA8):
1189 1189  
1190 1190  (% class="box infomessage" %)
... ... @@ -1193,6 +1193,7 @@
1193 1193  )))
1194 1194  
1195 1195  
1258 +
1196 1196  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1197 1197  
1198 1198  Clear counting for counting mode
... ... @@ -1212,6 +1212,7 @@
1212 1212  )))
1213 1213  
1214 1214  
1278 +
1215 1215  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1216 1216  
1217 1217  * AT Command:
... ... @@ -1234,16 +1234,17 @@
1234 1234  
1235 1235  )))
1236 1236  
1301 +
1237 1237  == 3.5 Integrate with Mydevice ==
1238 1238  
1239 1239  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:
1240 1240  
1241 1241  (((
1242 -**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.
1243 1243  )))
1244 1244  
1245 1245  (((
1246 -**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:
1247 1247  )))
1248 1248  
1249 1249  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1250,12 +1250,13 @@
1250 1250  
1251 1251  [[image:image-20220524094641-11.png||height="390" width="723"]]
1252 1252  
1318 +
1253 1253  [[image:image-20220524094641-12.png||height="402" width="718"]]
1254 1254  
1255 1255  
1256 -**Step 3**: Create an account or log in Mydevices.
1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1257 1257  
1258 -**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" %)
1259 1259  
1260 1260  Search under The things network
1261 1261  
... ... @@ -1262,19 +1262,25 @@
1262 1262  [[image:1653356838789-523.png||height="337" width="740"]]
1263 1263  
1264 1264  
1331 +
1265 1265  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1266 1266  
1267 1267  [[image:image-20220524094909-1.png||height="335" width="729"]]
1268 1268  
1336 +
1269 1269  [[image:image-20220524094909-2.png||height="337" width="729"]]
1270 1270  
1339 +
1271 1271  [[image:image-20220524094909-3.png||height="338" width="727"]]
1272 1272  
1342 +
1273 1273  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1274 1274  
1345 +
1275 1275  [[image:image-20220524094909-5.png||height="341" width="734"]]
1276 1276  
1277 1277  
1349 +
1278 1278  == 3.6 Interface Detail ==
1279 1279  
1280 1280  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1284,6 +1284,7 @@
1284 1284  [[image:1653356991268-289.png]]
1285 1285  
1286 1286  
1359 +
1287 1287  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1288 1288  
1289 1289  (((
... ... @@ -1309,7 +1309,7 @@
1309 1309  )))
1310 1310  
1311 1311  (((
1312 -**Example1**: Connect to a Low active sensor.
1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1313 1313  )))
1314 1314  
1315 1315  (((
... ... @@ -1340,7 +1340,7 @@
1340 1340  )))
1341 1341  
1342 1342  (((
1343 -**Example2**: Connect to a High active sensor.
1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1344 1344  )))
1345 1345  
1346 1346  (((
... ... @@ -1371,7 +1371,7 @@
1371 1371  )))
1372 1372  
1373 1373  (((
1374 -**Example3**: Connect to a 220v high active sensor.
1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1375 1375  )))
1376 1376  
1377 1377  (((
... ... @@ -1398,6 +1398,7 @@
1398 1398  )))
1399 1399  
1400 1400  
1474 +
1401 1401  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1402 1402  
1403 1403  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1405,12 +1405,14 @@
1405 1405  [[image:1653357531600-905.png]]
1406 1406  
1407 1407  
1482 +
1408 1408  === 3.6.4 Analog Input Interface ===
1409 1409  
1410 1410  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:
1411 1411  
1412 -**AC2 = (IN2 voltage )/12**
1413 1413  
1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1489 +
1414 1414  [[image:1653357592296-182.png]]
1415 1415  
1416 1416  Example to connect a 4~~20mA sensor
... ... @@ -1417,22 +1417,24 @@
1417 1417  
1418 1418  We take the wind speed sensor as an example for reference only.
1419 1419  
1420 -Specifications of the wind speed sensor:
1421 1421  
1422 -Red:12~~24v
1497 +**Specifications of the wind speed sensor:**
1423 1423  
1424 -Yellow:4~~20mA
1499 +Red:  12~~24v
1425 1425  
1426 -Black:GND
1501 +Yellow:  4~~20mA
1427 1427  
1503 +Black:  GND
1428 1428  
1429 -Connection diagram:
1430 1430  
1506 +**Connection diagram:**
1507 +
1431 1431  [[image:1653357640609-758.png]]
1432 1432  
1433 1433  [[image:1653357648330-671.png||height="155" width="733"]]
1434 1434  
1435 1435  
1513 +
1436 1436  === 3.6.5 Relay Output ===
1437 1437  
1438 1438  (((
... ... @@ -1444,6 +1444,7 @@
1444 1444  [[image:image-20220524100215-10.png||height="382" width="723"]]
1445 1445  
1446 1446  
1525 +
1447 1447  == 3.7 LEDs Indicators ==
1448 1448  
1449 1449  [[image:image-20220524100748-11.png]]
... ... @@ -1457,6 +1457,7 @@
1457 1457  
1458 1458  [[image:1653358238933-385.png]]
1459 1459  
1539 +
1460 1460  (((
1461 1461  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:
1462 1462  )))
... ... @@ -1463,6 +1463,7 @@
1463 1463  
1464 1464  [[image:1653358355238-883.png]]
1465 1465  
1546 +
1466 1466  (((
1467 1467  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/]]
1468 1468  )))
... ... @@ -1653,12 +1653,16 @@
1653 1653  
1654 1654  )))
1655 1655  
1737 +
1738 +
1656 1656  == 4.2 Common AT Command Sequence ==
1657 1657  
1658 1658  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1659 1659  
1660 1660  (((
1661 -If device has not joined network yet:
1744 +
1745 +
1746 +**If device has not joined network yet:**
1662 1662  )))
1663 1663  
1664 1664  (((
... ... @@ -1683,7 +1683,7 @@
1683 1683  
1684 1684  
1685 1685  (((
1686 -If device already joined network:
1771 +**If device already joined network:**
1687 1687  )))
1688 1688  
1689 1689  (((
... ... @@ -1696,10 +1696,14 @@
1696 1696  
1697 1697  )))
1698 1698  
1784 +
1785 +
1699 1699  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1700 1700  
1701 1701  (((
1702 -(% 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.
1703 1703  )))
1704 1704  
1705 1705  (((
... ... @@ -1707,7 +1707,7 @@
1707 1707  )))
1708 1708  
1709 1709  (((
1710 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1711 1711  )))
1712 1712  
1713 1713  (((
... ... @@ -1715,39 +1715,41 @@
1715 1715  )))
1716 1716  
1717 1717  (((
1718 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1719 1719  )))
1720 1720  
1721 1721  (((
1722 -(% 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
1723 1723  )))
1724 1724  
1725 1725  (((
1726 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1727 1727  )))
1728 1728  
1729 1729  (((
1730 -(% 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
1731 1731  )))
1732 1732  
1733 1733  (((
1734 -(% 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
1735 1735  )))
1736 1736  
1737 1737  (((
1738 -(% 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)
1739 1739  )))
1740 1740  
1741 1741  (((
1742 -(% 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
1743 1743  )))
1744 1744  
1745 1745  (((
1746 -(% 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.
1747 1747  )))
1748 1748  
1749 1749  (((
1750 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1840 +
1841 +
1751 1751  )))
1752 1752  
1753 1753  (((
... ... @@ -1769,6 +1769,7 @@
1769 1769  
1770 1770  )))
1771 1771  
1863 +
1772 1772  === 4.2.3 Change to Class A ===
1773 1773  
1774 1774  If sensor JOINED
... ... @@ -1780,19 +1780,25 @@
1780 1780  
1781 1781  == 5.1 How to upgrade the image? ==
1782 1782  
1875 +
1783 1783  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1784 1784  
1785 1785  * Support new features
1786 1786  * For bug fix
1787 1787  * Change LoRaWAN bands.
1881 +
1788 1788  Below shows the hardware connection for how to upload an image to the LT:
1789 -* [[image:1653359603330-121.png]]
1790 1790  
1884 +[[image:1653359603330-121.png]]
1885 +
1886 +
1791 1791  (((
1792 -**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]].
1793 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1794 -**Step3: **Open flashloader; choose the correct COM port to update.
1795 -**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**(%%):
1796 1796  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.
1797 1797  )))
1798 1798  
... ... @@ -1802,6 +1802,7 @@
1802 1802  
1803 1803  [[image:image-20220524104033-15.png]]
1804 1804  
1903 +
1805 1805  (% 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:
1806 1806  
1807 1807  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1809,6 +1809,8 @@
1809 1809  
1810 1810  (((
1811 1811  (((
1911 +
1912 +
1812 1812  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1813 1813  )))
1814 1814  )))
... ... @@ -1815,11 +1815,11 @@
1815 1815  
1816 1816  (((
1817 1817  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1818 -
1819 -
1820 1820  )))
1821 1821  
1822 1822  (((
1922 +
1923 +
1823 1823  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1824 1824  )))
1825 1825  
... ... @@ -1832,6 +1832,8 @@
1832 1832  (((
1833 1833  (((
1834 1834  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1936 +
1937 +
1835 1835  )))
1836 1836  )))
1837 1837  
... ... @@ -1847,23 +1847,25 @@
1847 1847  (% 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.
1848 1848  )))
1849 1849  
1953 +
1850 1850  (((
1851 1851  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1852 1852  )))
1853 1853  
1854 1854  (((
1855 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1856 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1857 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1858 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1859 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1860 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1861 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1862 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1863 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1864 -(% 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
1865 1865  )))
1866 1866  
1971 +
1867 1867  (((
1868 1868  As shown in below:
1869 1869  )))
... ... @@ -1880,11 +1880,11 @@
1880 1880  == 5.5 Can i use point to point communication for LT-22222-L? ==
1881 1881  
1882 1882  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1883 -
1884 -
1885 1885  )))
1886 1886  
1887 1887  (((
1991 +
1992 +
1888 1888  = 6. Trouble Shooting =
1889 1889  )))
1890 1890  
... ... @@ -1896,11 +1896,11 @@
1896 1896  
1897 1897  (((
1898 1898  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1899 -
1900 -
1901 1901  )))
1902 1902  
1903 1903  (((
2007 +
2008 +
1904 1904  == 6.2 Have trouble to upload image. ==
1905 1905  )))
1906 1906  
... ... @@ -1910,9 +1910,7 @@
1910 1910  
1911 1911  (((
1912 1912  
1913 -)))
1914 1914  
1915 -(((
1916 1916  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1917 1917  )))
1918 1918  
... ... @@ -1920,147 +1920,55 @@
1920 1920  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1921 1921  )))
1922 1922  
1923 -(((
1924 -
1925 -)))
1926 1926  
1927 -(((
2027 +
1928 1928  = 7. Order Info =
1929 -)))
1930 1930  
1931 -(((
1932 -(((
2030 +
1933 1933  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1934 -)))
1935 -)))
1936 1936  
1937 -(((
1938 -(((
2033 +
1939 1939  (% style="color:#4f81bd" %)**XXX:**
1940 -)))
1941 -)))
1942 1942  
1943 -(((
1944 -* (((
1945 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1946 -)))
1947 -)))
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
1948 1948  
1949 -(((
1950 -* (((
1951 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1952 -)))
1953 -)))
1954 -
1955 -(((
1956 -* (((
1957 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1958 -)))
1959 -)))
1960 -
1961 -(((
1962 -* (((
1963 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1964 -)))
1965 -)))
1966 -
1967 -(((
1968 -* (((
1969 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1970 -)))
1971 -)))
1972 -
1973 -(((
1974 -* (((
1975 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1976 -)))
1977 -)))
1978 -
1979 -(((
1980 -* (((
1981 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1982 -)))
1983 -)))
1984 -
1985 -(((
1986 -* (((
1987 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1988 -)))
1989 -)))
1990 -
1991 -(((
1992 -* (((
1993 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1994 -
1995 -
1996 -)))
1997 -
1998 1998  = 8. Packing Info =
1999 -)))
2000 2000  
2001 -(((
2002 -(((
2048 +
2003 2003  **Package Includes**:
2004 -)))
2005 -)))
2006 2006  
2007 -(((
2008 -(((
2009 2009  * LT-22222-L I/O Controller x 1
2010 2010  * Stick Antenna for LoRa RF part x 1
2011 2011  * Bracket for controller x1
2012 2012  * Program cable x 1
2013 -)))
2014 -)))
2015 2015  
2016 -(((
2017 -(((
2018 2018  **Dimension and weight**:
2019 -)))
2020 -)))
2021 2021  
2022 -(((
2023 -(((
2024 2024  * Device Size: 13.5 x 7 x 3 cm
2025 2025  * Device Weight: 105g
2026 2026  * Package Size / pcs : 14.5 x 8 x 5 cm
2027 2027  * Weight / pcs : 170g
2028 2028  
2029 -
2030 -)))
2031 -)))
2032 -
2033 -(((
2034 2034  = 9. Support =
2035 -)))
2036 2036  
2037 2037  * (((
2038 -(((
2039 2039  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.
2040 2040  )))
2041 -)))
2042 2042  * (((
2043 -(((
2044 -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]]
2045 2045  )))
2046 -)))
2047 2047  
2048 -(((
2049 -(((
2050 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2051 -
2052 -
2053 -)))
2054 -
2055 -(((
2056 2056  = 10. Reference​​​​​ =
2057 2057  
2058 -* Product Page:
2059 -
2060 -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]]
2061 -
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]]
2062 2062  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2063 2063  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2064 2064  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2065 -)))
2066 -)))

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