Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.6 >
edited by Xiaoling
on 2022/06/10 08:38
To version < 77.81 >
edited by Xiaoling
on 2022/06/10 09:25
>
Change comment: There is no comment for this version

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Content
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -215,6 +215,7 @@
215 215  [[image:1653297104069-180.png]]
216 216  
217 217  
208 +
218 218  = 3. Operation Mode =
219 219  
220 220  == 3.1 How it works? ==
... ... @@ -229,6 +229,8 @@
229 229  
230 230  )))
231 231  
223 +
224 +
232 232  == 3.2 Example to join LoRaWAN network ==
233 233  
234 234  (((
... ... @@ -270,6 +270,7 @@
270 270  [[image:1653298044601-602.png||height="405" width="709"]]
271 271  
272 272  
266 +
273 273  == 3.3 Uplink Payload ==
274 274  
275 275  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -424,6 +424,7 @@
424 424  )))
425 425  
426 426  
421 +
427 427  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
428 428  
429 429  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -468,6 +468,8 @@
468 468  
469 469  )))
470 470  
466 +
467 +
471 471  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
472 472  
473 473  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -491,6 +491,8 @@
491 491  )))
492 492  
493 493  (((
491 +
492 +
494 494  **To use this mode, please run:**
495 495  )))
496 496  
... ... @@ -517,6 +517,8 @@
517 517  )))
518 518  
519 519  (((
519 +
520 +
520 520  **Plus below command for AVI1 Counting:**
521 521  )))
522 522  
... ... @@ -549,13 +549,17 @@
549 549  )))
550 550  
551 551  
553 +
552 552  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
553 553  
556 +
554 554  **LT22222-L**: This mode the DI1 is used as a counting pin.
555 555  
556 556  [[image:image-20220523182334-9.png]]
557 557  
558 558  (((
562 +
563 +
559 559  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
560 560  )))
561 561  
... ... @@ -570,6 +570,8 @@
570 570  )))
571 571  
572 572  (((
578 +
579 +
573 573  **To use this mode, please run:**
574 574  )))
575 575  
... ... @@ -589,10 +589,10 @@
589 589  
590 590  (((
591 591  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
592 -
593 -
594 594  )))
595 595  
601 +
602 +
596 596  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
597 597  
598 598  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -602,11 +602,13 @@
602 602  * **AT+MOD=1 ** **~-~->** The normal working mode
603 603  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
604 604  
612 +
605 605  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
606 606  
607 607  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
608 608  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.**
609 609  
618 +
610 610  **AT Command to set Trigger Condition**:
611 611  
612 612  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -658,14 +658,17 @@
658 658  
659 659   Yy4 yy4: AC2 or AV2 high limit.
660 660  
670 +
661 661  **Example1**: AA 00 13 88 00 00 00 00 00 00
662 662  
663 663  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
664 664  
675 +
665 665  **Example2**: AA 02 01 00
666 666  
667 667  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
668 668  
680 +
669 669  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
670 670  
671 671  MOD6 Payload : total 11 bytes payload
... ... @@ -672,6 +672,7 @@
672 672  
673 673  [[image:image-20220524085923-1.png]]
674 674  
687 +
675 675  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
676 676  
677 677  [[image:image-20220524090106-2.png]]
... ... @@ -678,6 +678,7 @@
678 678  
679 679  * Each bits shows if the corresponding trigger has been configured.
680 680  
694 +
681 681  **Example:**
682 682  
683 683  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -689,6 +689,7 @@
689 689  
690 690  * Each bits shows which status has been trigger on this uplink.
691 691  
706 +
692 692  **Example:**
693 693  
694 694  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -700,6 +700,7 @@
700 700  
701 701  * Each bits shows which status has been trigger on this uplink.
702 702  
718 +
703 703  **Example:**
704 704  
705 705  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -716,6 +716,7 @@
716 716  When device got this command, it will send the MOD6 payload.
717 717  
718 718  
735 +
719 719  === 3.3.7 Payload Decoder ===
720 720  
721 721  (((
... ... @@ -724,6 +724,8 @@
724 724  
725 725  )))
726 726  
744 +
745 +
727 727  == 3.4 ​Configure LT via AT or Downlink ==
728 728  
729 729  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -736,11 +736,14 @@
736 736  
737 737  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
738 738  
758 +
759 +
739 739  === 3.4.1 Common Commands ===
740 740  
741 741  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]]
742 742  
743 743  
765 +
744 744  === 3.4.2 Sensor related commands ===
745 745  
746 746  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -756,6 +756,7 @@
756 756  
757 757  **Example: **AT+TDC=30000. Means set interval to 30 seconds
758 758  
781 +
759 759  * Downlink Payload (prefix 0x01):
760 760  
761 761  (% class="box infomessage" %)
... ... @@ -764,6 +764,7 @@
764 764  )))
765 765  
766 766  
790 +
767 767  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
768 768  
769 769  Set work mode.
... ... @@ -777,6 +777,7 @@
777 777  
778 778  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
779 779  
804 +
780 780  * Downlink Payload (prefix 0x0A):
781 781  
782 782  (% class="box infomessage" %)
... ... @@ -785,6 +785,7 @@
785 785  )))
786 786  
787 787  
813 +
788 788  ==== 3.4.2.3 Poll an uplink ====
789 789  
790 790  * AT Command:
... ... @@ -791,6 +791,7 @@
791 791  
792 792  There is no AT Command to poll uplink
793 793  
820 +
794 794  * Downlink Payload (prefix 0x08):
795 795  
796 796  (% class="box infomessage" %)
... ... @@ -801,6 +801,7 @@
801 801  **Example**: 0x08FF, ask device to send an Uplink
802 802  
803 803  
831 +
804 804  ==== 3.4.2.4 Enable Trigger Mode ====
805 805  
806 806  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -816,6 +816,7 @@
816 816  
817 817  0: Disable Trigger Mode
818 818  
847 +
819 819  * Downlink Payload (prefix 0x0A 06):
820 820  
821 821  (% class="box infomessage" %)
... ... @@ -824,6 +824,7 @@
824 824  )))
825 825  
826 826  
856 +
827 827  ==== 3.4.2.5 Poll trigger settings ====
828 828  
829 829  Poll trigger settings,
... ... @@ -832,6 +832,7 @@
832 832  
833 833  There is no AT Command for this feature.
834 834  
865 +
835 835  * Downlink Payload (prefix 0x AB 06):
836 836  
837 837  (% class="box infomessage" %)
... ... @@ -840,6 +840,7 @@
840 840  )))
841 841  
842 842  
874 +
843 843  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
844 844  
845 845  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -851,6 +851,7 @@
851 851  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
852 852  )))
853 853  
886 +
854 854  **Example:**
855 855  
856 856  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -863,6 +863,7 @@
863 863  )))
864 864  
865 865  
899 +
866 866  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
867 867  
868 868  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -878,10 +878,12 @@
878 878  
879 879  b : delay timing.
880 880  
915 +
881 881  **Example:**
882 882  
883 883  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
884 884  
920 +
885 885  * Downlink Payload (prefix 0x09 01 ):
886 886  
887 887  (% class="box infomessage" %)
... ... @@ -890,6 +890,7 @@
890 890  )))
891 891  
892 892  
929 +
893 893  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
894 894  
895 895  Set DI2 trigger.
... ... @@ -905,10 +905,12 @@
905 905  
906 906  b : delay timing.
907 907  
945 +
908 908  **Example:**
909 909  
910 910  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
911 911  
950 +
912 912  * Downlink Payload (prefix 0x09 02 ):
913 913  
914 914  (% class="box infomessage" %)
... ... @@ -917,6 +917,7 @@
917 917  )))
918 918  
919 919  
959 +
920 920  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
921 921  
922 922  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -928,6 +928,7 @@
928 928  **AT+ACLIM. **
929 929  )))
930 930  
971 +
931 931  * Downlink Payload (prefix 0xAA 01 ):
932 932  
933 933  (% class="box infomessage" %)
... ... @@ -936,6 +936,7 @@
936 936  )))
937 937  
938 938  
980 +
939 939  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
940 940  
941 941  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -947,6 +947,7 @@
947 947  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
948 948  )))
949 949  
992 +
950 950  * Downlink Payload (prefix 0xAA 00 ):
951 951  
952 952  (% class="box infomessage" %)
... ... @@ -955,6 +955,7 @@
955 955  )))
956 956  
957 957  
1001 +
958 958  ==== 3.4.2.11 Trigger – Set minimum interval ====
959 959  
960 960  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -966,6 +966,7 @@
966 966  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
967 967  )))
968 968  
1013 +
969 969  * Downlink Payload (prefix 0xAC ):
970 970  
971 971  (% class="box infomessage" %)
... ... @@ -974,6 +974,7 @@
974 974  )))
975 975  
976 976  
1022 +
977 977  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
978 978  
979 979  * AT Command:
... ... @@ -980,6 +980,7 @@
980 980  
981 981  There is no AT Command to control Digital Output
982 982  
1029 +
983 983  * Downlink Payload (prefix 0x02):
984 984  
985 985  (% class="box infomessage" %)
... ... @@ -1006,6 +1006,7 @@
1006 1006  )))
1007 1007  
1008 1008  
1056 +
1009 1009  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1010 1010  
1011 1011  * AT Command:
... ... @@ -1012,6 +1012,7 @@
1012 1012  
1013 1013  There is no AT Command to control Digital Output
1014 1014  
1063 +
1015 1015  * Downlink Payload (prefix 0xA9):
1016 1016  
1017 1017  (% class="box infomessage" %)
... ... @@ -1031,18 +1031,22 @@
1031 1031  
1032 1032  00: DO pins will change to an inverter state after timeout 
1033 1033  
1083 +
1034 1034  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1035 1035  
1036 1036  [[image:image-20220524093238-6.png]]
1037 1037  
1088 +
1038 1038  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1039 1039  
1040 1040  [[image:image-20220524093328-7.png]]
1041 1041  
1093 +
1042 1042  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1043 1043  
1044 1044  [[image:image-20220524093351-8.png]]
1045 1045  
1098 +
1046 1046  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1047 1047  
1048 1048   Latching time. Unit: ms
... ... @@ -1049,6 +1049,7 @@
1049 1049  
1050 1050  Device will upload a packet if downlink code executes successfully.
1051 1051  
1105 +
1052 1052  **Example payload:**
1053 1053  
1054 1054  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1068,12 +1068,14 @@
1068 1068  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
1069 1069  
1070 1070  
1071 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1072 1072  
1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 +
1073 1073  * AT Command:
1074 1074  
1075 1075  There is no AT Command to control Relay Output
1076 1076  
1132 +
1077 1077  * Downlink Payload (prefix 0x03):
1078 1078  
1079 1079  (% class="box infomessage" %)
... ... @@ -1096,6 +1096,7 @@
1096 1096  Device will upload a packet if downlink code executes successfully.
1097 1097  
1098 1098  
1155 +
1099 1099  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1100 1100  
1101 1101  * AT Command:
... ... @@ -1102,6 +1102,7 @@
1102 1102  
1103 1103  There is no AT Command to control Relay Output
1104 1104  
1162 +
1105 1105  * Downlink Payload (prefix 0x05):
1106 1106  
1107 1107  (% class="box infomessage" %)
... ... @@ -1119,14 +1119,17 @@
1119 1119  
1120 1120  00: Relays will change to an inverter state after timeout
1121 1121  
1180 +
1122 1122  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1123 1123  
1124 1124  [[image:image-20220524093831-10.png]]
1125 1125  
1185 +
1126 1126  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1127 1127  
1128 1128  Device will upload a packet if downlink code executes successfully.
1129 1129  
1190 +
1130 1130  **Example payload:**
1131 1131  
1132 1132  **~1. 05 01 11 07 D0**
... ... @@ -1146,6 +1146,7 @@
1146 1146  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1147 1147  
1148 1148  
1210 +
1149 1149  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1150 1150  
1151 1151  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1157,6 +1157,7 @@
1157 1157  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1158 1158  )))
1159 1159  
1222 +
1160 1160  * Downlink Payload (prefix 0xA5):
1161 1161  
1162 1162  (% class="box infomessage" %)
... ... @@ -1165,6 +1165,7 @@
1165 1165  )))
1166 1166  
1167 1167  
1231 +
1168 1168  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1169 1169  
1170 1170  * AT Command:
... ... @@ -1182,6 +1182,7 @@
1182 1182  
1183 1183  Bb cc dd ee: number to be set
1184 1184  
1249 +
1185 1185  * Downlink Payload (prefix 0xA8):
1186 1186  
1187 1187  (% class="box infomessage" %)
... ... @@ -1190,6 +1190,7 @@
1190 1190  )))
1191 1191  
1192 1192  
1258 +
1193 1193  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1194 1194  
1195 1195  Clear counting for counting mode
... ... @@ -1209,6 +1209,7 @@
1209 1209  )))
1210 1210  
1211 1211  
1278 +
1212 1212  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1213 1213  
1214 1214  * AT Command:
... ... @@ -1231,16 +1231,17 @@
1231 1231  
1232 1232  )))
1233 1233  
1301 +
1234 1234  == 3.5 Integrate with Mydevice ==
1235 1235  
1236 1236  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:
1237 1237  
1238 1238  (((
1239 -**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.
1240 1240  )))
1241 1241  
1242 1242  (((
1243 -**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:
1244 1244  )))
1245 1245  
1246 1246  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1247,12 +1247,13 @@
1247 1247  
1248 1248  [[image:image-20220524094641-11.png||height="390" width="723"]]
1249 1249  
1318 +
1250 1250  [[image:image-20220524094641-12.png||height="402" width="718"]]
1251 1251  
1252 1252  
1253 -**Step 3**: Create an account or log in Mydevices.
1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1254 1254  
1255 -**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" %)
1256 1256  
1257 1257  Search under The things network
1258 1258  
... ... @@ -1259,19 +1259,25 @@
1259 1259  [[image:1653356838789-523.png||height="337" width="740"]]
1260 1260  
1261 1261  
1331 +
1262 1262  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1263 1263  
1264 1264  [[image:image-20220524094909-1.png||height="335" width="729"]]
1265 1265  
1336 +
1266 1266  [[image:image-20220524094909-2.png||height="337" width="729"]]
1267 1267  
1339 +
1268 1268  [[image:image-20220524094909-3.png||height="338" width="727"]]
1269 1269  
1342 +
1270 1270  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1271 1271  
1345 +
1272 1272  [[image:image-20220524094909-5.png||height="341" width="734"]]
1273 1273  
1274 1274  
1349 +
1275 1275  == 3.6 Interface Detail ==
1276 1276  
1277 1277  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1281,6 +1281,7 @@
1281 1281  [[image:1653356991268-289.png]]
1282 1282  
1283 1283  
1359 +
1284 1284  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1285 1285  
1286 1286  (((
... ... @@ -1306,7 +1306,7 @@
1306 1306  )))
1307 1307  
1308 1308  (((
1309 -**Example1**: Connect to a Low active sensor.
1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1310 1310  )))
1311 1311  
1312 1312  (((
... ... @@ -1337,7 +1337,7 @@
1337 1337  )))
1338 1338  
1339 1339  (((
1340 -**Example2**: Connect to a High active sensor.
1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1341 1341  )))
1342 1342  
1343 1343  (((
... ... @@ -1368,7 +1368,7 @@
1368 1368  )))
1369 1369  
1370 1370  (((
1371 -**Example3**: Connect to a 220v high active sensor.
1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1372 1372  )))
1373 1373  
1374 1374  (((
... ... @@ -1395,6 +1395,7 @@
1395 1395  )))
1396 1396  
1397 1397  
1474 +
1398 1398  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1399 1399  
1400 1400  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1402,12 +1402,14 @@
1402 1402  [[image:1653357531600-905.png]]
1403 1403  
1404 1404  
1482 +
1405 1405  === 3.6.4 Analog Input Interface ===
1406 1406  
1407 1407  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:
1408 1408  
1409 -**AC2 = (IN2 voltage )/12**
1410 1410  
1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1489 +
1411 1411  [[image:1653357592296-182.png]]
1412 1412  
1413 1413  Example to connect a 4~~20mA sensor
... ... @@ -1414,22 +1414,24 @@
1414 1414  
1415 1415  We take the wind speed sensor as an example for reference only.
1416 1416  
1417 -Specifications of the wind speed sensor:
1418 1418  
1419 -Red:12~~24v
1497 +**Specifications of the wind speed sensor:**
1420 1420  
1421 -Yellow:4~~20mA
1499 +Red:  12~~24v
1422 1422  
1423 -Black:GND
1501 +Yellow:  4~~20mA
1424 1424  
1503 +Black:  GND
1425 1425  
1426 -Connection diagram:
1427 1427  
1506 +**Connection diagram:**
1507 +
1428 1428  [[image:1653357640609-758.png]]
1429 1429  
1430 1430  [[image:1653357648330-671.png||height="155" width="733"]]
1431 1431  
1432 1432  
1513 +
1433 1433  === 3.6.5 Relay Output ===
1434 1434  
1435 1435  (((
... ... @@ -1441,6 +1441,7 @@
1441 1441  [[image:image-20220524100215-10.png||height="382" width="723"]]
1442 1442  
1443 1443  
1525 +
1444 1444  == 3.7 LEDs Indicators ==
1445 1445  
1446 1446  [[image:image-20220524100748-11.png]]
... ... @@ -1454,6 +1454,7 @@
1454 1454  
1455 1455  [[image:1653358238933-385.png]]
1456 1456  
1539 +
1457 1457  (((
1458 1458  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:
1459 1459  )))
... ... @@ -1460,6 +1460,7 @@
1460 1460  
1461 1461  [[image:1653358355238-883.png]]
1462 1462  
1546 +
1463 1463  (((
1464 1464  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/]]
1465 1465  )))
... ... @@ -1650,12 +1650,16 @@
1650 1650  
1651 1651  )))
1652 1652  
1737 +
1738 +
1653 1653  == 4.2 Common AT Command Sequence ==
1654 1654  
1655 1655  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1656 1656  
1657 1657  (((
1658 -If device has not joined network yet:
1744 +
1745 +
1746 +**If device has not joined network yet:**
1659 1659  )))
1660 1660  
1661 1661  (((
... ... @@ -1680,7 +1680,7 @@
1680 1680  
1681 1681  
1682 1682  (((
1683 -If device already joined network:
1771 +**If device already joined network:**
1684 1684  )))
1685 1685  
1686 1686  (((
... ... @@ -1693,10 +1693,14 @@
1693 1693  
1694 1694  )))
1695 1695  
1784 +
1785 +
1696 1696  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1697 1697  
1698 1698  (((
1699 -(% 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.
1700 1700  )))
1701 1701  
1702 1702  (((
... ... @@ -1704,7 +1704,7 @@
1704 1704  )))
1705 1705  
1706 1706  (((
1707 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1708 1708  )))
1709 1709  
1710 1710  (((
... ... @@ -1712,39 +1712,41 @@
1712 1712  )))
1713 1713  
1714 1714  (((
1715 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1716 1716  )))
1717 1717  
1718 1718  (((
1719 -(% 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
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1724 1724  )))
1725 1725  
1726 1726  (((
1727 -(% 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
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% 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
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -(% 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)
1736 1736  )))
1737 1737  
1738 1738  (((
1739 -(% 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
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% 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.
1744 1744  )))
1745 1745  
1746 1746  (((
1747 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1840 +
1841 +
1748 1748  )))
1749 1749  
1750 1750  (((
... ... @@ -1766,6 +1766,7 @@
1766 1766  
1767 1767  )))
1768 1768  
1863 +
1769 1769  === 4.2.3 Change to Class A ===
1770 1770  
1771 1771  If sensor JOINED
... ... @@ -1777,19 +1777,25 @@
1777 1777  
1778 1778  == 5.1 How to upgrade the image? ==
1779 1779  
1875 +
1780 1780  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1781 1781  
1782 1782  * Support new features
1783 1783  * For bug fix
1784 1784  * Change LoRaWAN bands.
1881 +
1785 1785  Below shows the hardware connection for how to upload an image to the LT:
1786 -* [[image:1653359603330-121.png]]
1787 1787  
1884 +[[image:1653359603330-121.png]]
1885 +
1886 +
1788 1788  (((
1789 -**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]].
1790 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1791 -**Step3: **Open flashloader; choose the correct COM port to update.
1792 -**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**(%%):
1793 1793  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.
1794 1794  )))
1795 1795  
... ... @@ -1799,6 +1799,7 @@
1799 1799  
1800 1800  [[image:image-20220524104033-15.png]]
1801 1801  
1903 +
1802 1802  (% 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:
1803 1803  
1804 1804  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1806,6 +1806,8 @@
1806 1806  
1807 1807  (((
1808 1808  (((
1911 +
1912 +
1809 1809  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1810 1810  )))
1811 1811  )))
... ... @@ -1812,11 +1812,11 @@
1812 1812  
1813 1813  (((
1814 1814  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1815 -
1816 -
1817 1817  )))
1818 1818  
1819 1819  (((
1922 +
1923 +
1820 1820  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1821 1821  )))
1822 1822  
... ... @@ -1829,6 +1829,8 @@
1829 1829  (((
1830 1830  (((
1831 1831  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1936 +
1937 +
1832 1832  )))
1833 1833  )))
1834 1834  
... ... @@ -1844,23 +1844,25 @@
1844 1844  (% 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.
1845 1845  )))
1846 1846  
1953 +
1847 1847  (((
1848 1848  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1849 1849  )))
1850 1850  
1851 1851  (((
1852 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1853 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1854 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1855 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1856 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1857 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1858 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1859 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1860 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1861 -(% 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
1862 1862  )))
1863 1863  
1971 +
1864 1864  (((
1865 1865  As shown in below:
1866 1866  )))
... ... @@ -1877,11 +1877,11 @@
1877 1877  == 5.5 Can i use point to point communication for LT-22222-L? ==
1878 1878  
1879 1879  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1880 -
1881 -
1882 1882  )))
1883 1883  
1884 1884  (((
1991 +
1992 +
1885 1885  = 6. Trouble Shooting =
1886 1886  )))
1887 1887  
... ... @@ -1893,11 +1893,11 @@
1893 1893  
1894 1894  (((
1895 1895  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1896 -
1897 -
1898 1898  )))
1899 1899  
1900 1900  (((
2007 +
2008 +
1901 1901  == 6.2 Have trouble to upload image. ==
1902 1902  )))
1903 1903  
... ... @@ -1907,9 +1907,7 @@
1907 1907  
1908 1908  (((
1909 1909  
1910 -)))
1911 1911  
1912 -(((
1913 1913  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1914 1914  )))
1915 1915  
... ... @@ -1917,147 +1917,55 @@
1917 1917  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1918 1918  )))
1919 1919  
1920 -(((
1921 -
1922 -)))
1923 1923  
1924 -(((
2027 +
1925 1925  = 7. Order Info =
1926 -)))
1927 1927  
1928 -(((
1929 -(((
2030 +
1930 1930  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1931 -)))
1932 -)))
1933 1933  
1934 -(((
1935 -(((
2033 +
1936 1936  (% style="color:#4f81bd" %)**XXX:**
1937 -)))
1938 -)))
1939 1939  
1940 -(((
1941 -* (((
1942 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1943 -)))
1944 -)))
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
1945 1945  
1946 -(((
1947 -* (((
1948 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1949 -)))
1950 -)))
1951 -
1952 -(((
1953 -* (((
1954 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1955 -)))
1956 -)))
1957 -
1958 -(((
1959 -* (((
1960 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1961 -)))
1962 -)))
1963 -
1964 -(((
1965 -* (((
1966 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1967 -)))
1968 -)))
1969 -
1970 -(((
1971 -* (((
1972 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1973 -)))
1974 -)))
1975 -
1976 -(((
1977 -* (((
1978 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1979 -)))
1980 -)))
1981 -
1982 -(((
1983 -* (((
1984 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1985 -)))
1986 -)))
1987 -
1988 -(((
1989 -* (((
1990 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1991 -
1992 -
1993 -)))
1994 -
1995 1995  = 8. Packing Info =
1996 -)))
1997 1997  
1998 -(((
1999 -(((
2048 +
2000 2000  **Package Includes**:
2001 -)))
2002 -)))
2003 2003  
2004 -(((
2005 -(((
2006 2006  * LT-22222-L I/O Controller x 1
2007 2007  * Stick Antenna for LoRa RF part x 1
2008 2008  * Bracket for controller x1
2009 2009  * Program cable x 1
2010 -)))
2011 -)))
2012 2012  
2013 -(((
2014 -(((
2015 2015  **Dimension and weight**:
2016 -)))
2017 -)))
2018 2018  
2019 -(((
2020 -(((
2021 2021  * Device Size: 13.5 x 7 x 3 cm
2022 2022  * Device Weight: 105g
2023 2023  * Package Size / pcs : 14.5 x 8 x 5 cm
2024 2024  * Weight / pcs : 170g
2025 2025  
2026 -
2027 -)))
2028 -)))
2029 -
2030 -(((
2031 2031  = 9. Support =
2032 -)))
2033 2033  
2034 2034  * (((
2035 -(((
2036 2036  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.
2037 2037  )))
2038 -)))
2039 2039  * (((
2040 -(((
2041 -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]]
2042 2042  )))
2043 -)))
2044 2044  
2045 -(((
2046 -(((
2047 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2048 -
2049 -
2050 -)))
2051 -
2052 -(((
2053 2053  = 10. Reference​​​​​ =
2054 2054  
2055 -* Product Page:
2056 -
2057 -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]]
2058 -
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]]
2059 2059  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2060 2060  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2061 2061  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2062 -)))
2063 -)))

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