Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.14 >
edited by Xiaoling
on 2022/06/10 08:39
To version < 77.81 >
edited by Xiaoling
on 2022/06/10 09:25
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,8 +338,6 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -503,6 +503,8 @@
503 503  )))
504 504  
505 505  (((
491 +
492 +
506 506  **To use this mode, please run:**
507 507  )))
508 508  
... ... @@ -529,6 +529,8 @@
529 529  )))
530 530  
531 531  (((
519 +
520 +
532 532  **Plus below command for AVI1 Counting:**
533 533  )))
534 534  
... ... @@ -561,13 +561,17 @@
561 561  )))
562 562  
563 563  
553 +
564 564  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
565 565  
556 +
566 566  **LT22222-L**: This mode the DI1 is used as a counting pin.
567 567  
568 568  [[image:image-20220523182334-9.png]]
569 569  
570 570  (((
562 +
563 +
571 571  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
572 572  )))
573 573  
... ... @@ -582,6 +582,8 @@
582 582  )))
583 583  
584 584  (((
578 +
579 +
585 585  **To use this mode, please run:**
586 586  )))
587 587  
... ... @@ -601,10 +601,10 @@
601 601  
602 602  (((
603 603  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
604 -
605 -
606 606  )))
607 607  
601 +
602 +
608 608  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
609 609  
610 610  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -614,11 +614,13 @@
614 614  * **AT+MOD=1 ** **~-~->** The normal working mode
615 615  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
616 616  
612 +
617 617  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
618 618  
619 619  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
620 620  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.**
621 621  
618 +
622 622  **AT Command to set Trigger Condition**:
623 623  
624 624  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -670,14 +670,17 @@
670 670  
671 671   Yy4 yy4: AC2 or AV2 high limit.
672 672  
670 +
673 673  **Example1**: AA 00 13 88 00 00 00 00 00 00
674 674  
675 675  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
676 676  
675 +
677 677  **Example2**: AA 02 01 00
678 678  
679 679  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
680 680  
680 +
681 681  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
682 682  
683 683  MOD6 Payload : total 11 bytes payload
... ... @@ -684,6 +684,7 @@
684 684  
685 685  [[image:image-20220524085923-1.png]]
686 686  
687 +
687 687  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
688 688  
689 689  [[image:image-20220524090106-2.png]]
... ... @@ -690,6 +690,7 @@
690 690  
691 691  * Each bits shows if the corresponding trigger has been configured.
692 692  
694 +
693 693  **Example:**
694 694  
695 695  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -701,6 +701,7 @@
701 701  
702 702  * Each bits shows which status has been trigger on this uplink.
703 703  
706 +
704 704  **Example:**
705 705  
706 706  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -712,6 +712,7 @@
712 712  
713 713  * Each bits shows which status has been trigger on this uplink.
714 714  
718 +
715 715  **Example:**
716 716  
717 717  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -728,6 +728,7 @@
728 728  When device got this command, it will send the MOD6 payload.
729 729  
730 730  
735 +
731 731  === 3.3.7 Payload Decoder ===
732 732  
733 733  (((
... ... @@ -736,6 +736,8 @@
736 736  
737 737  )))
738 738  
744 +
745 +
739 739  == 3.4 ​Configure LT via AT or Downlink ==
740 740  
741 741  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -748,11 +748,14 @@
748 748  
749 749  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
750 750  
758 +
759 +
751 751  === 3.4.1 Common Commands ===
752 752  
753 753  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]]
754 754  
755 755  
765 +
756 756  === 3.4.2 Sensor related commands ===
757 757  
758 758  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -768,6 +768,7 @@
768 768  
769 769  **Example: **AT+TDC=30000. Means set interval to 30 seconds
770 770  
781 +
771 771  * Downlink Payload (prefix 0x01):
772 772  
773 773  (% class="box infomessage" %)
... ... @@ -776,6 +776,7 @@
776 776  )))
777 777  
778 778  
790 +
779 779  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
780 780  
781 781  Set work mode.
... ... @@ -789,6 +789,7 @@
789 789  
790 790  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
791 791  
804 +
792 792  * Downlink Payload (prefix 0x0A):
793 793  
794 794  (% class="box infomessage" %)
... ... @@ -797,6 +797,7 @@
797 797  )))
798 798  
799 799  
813 +
800 800  ==== 3.4.2.3 Poll an uplink ====
801 801  
802 802  * AT Command:
... ... @@ -803,6 +803,7 @@
803 803  
804 804  There is no AT Command to poll uplink
805 805  
820 +
806 806  * Downlink Payload (prefix 0x08):
807 807  
808 808  (% class="box infomessage" %)
... ... @@ -813,6 +813,7 @@
813 813  **Example**: 0x08FF, ask device to send an Uplink
814 814  
815 815  
831 +
816 816  ==== 3.4.2.4 Enable Trigger Mode ====
817 817  
818 818  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -828,6 +828,7 @@
828 828  
829 829  0: Disable Trigger Mode
830 830  
847 +
831 831  * Downlink Payload (prefix 0x0A 06):
832 832  
833 833  (% class="box infomessage" %)
... ... @@ -836,6 +836,7 @@
836 836  )))
837 837  
838 838  
856 +
839 839  ==== 3.4.2.5 Poll trigger settings ====
840 840  
841 841  Poll trigger settings,
... ... @@ -844,6 +844,7 @@
844 844  
845 845  There is no AT Command for this feature.
846 846  
865 +
847 847  * Downlink Payload (prefix 0x AB 06):
848 848  
849 849  (% class="box infomessage" %)
... ... @@ -852,6 +852,7 @@
852 852  )))
853 853  
854 854  
874 +
855 855  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
856 856  
857 857  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -863,6 +863,7 @@
863 863  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
864 864  )))
865 865  
886 +
866 866  **Example:**
867 867  
868 868  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -875,6 +875,7 @@
875 875  )))
876 876  
877 877  
899 +
878 878  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
879 879  
880 880  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -890,10 +890,12 @@
890 890  
891 891  b : delay timing.
892 892  
915 +
893 893  **Example:**
894 894  
895 895  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
896 896  
920 +
897 897  * Downlink Payload (prefix 0x09 01 ):
898 898  
899 899  (% class="box infomessage" %)
... ... @@ -902,6 +902,7 @@
902 902  )))
903 903  
904 904  
929 +
905 905  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
906 906  
907 907  Set DI2 trigger.
... ... @@ -917,10 +917,12 @@
917 917  
918 918  b : delay timing.
919 919  
945 +
920 920  **Example:**
921 921  
922 922  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
923 923  
950 +
924 924  * Downlink Payload (prefix 0x09 02 ):
925 925  
926 926  (% class="box infomessage" %)
... ... @@ -929,6 +929,7 @@
929 929  )))
930 930  
931 931  
959 +
932 932  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
933 933  
934 934  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -940,6 +940,7 @@
940 940  **AT+ACLIM. **
941 941  )))
942 942  
971 +
943 943  * Downlink Payload (prefix 0xAA 01 ):
944 944  
945 945  (% class="box infomessage" %)
... ... @@ -948,6 +948,7 @@
948 948  )))
949 949  
950 950  
980 +
951 951  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
952 952  
953 953  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -959,6 +959,7 @@
959 959  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
960 960  )))
961 961  
992 +
962 962  * Downlink Payload (prefix 0xAA 00 ):
963 963  
964 964  (% class="box infomessage" %)
... ... @@ -967,6 +967,7 @@
967 967  )))
968 968  
969 969  
1001 +
970 970  ==== 3.4.2.11 Trigger – Set minimum interval ====
971 971  
972 972  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -978,6 +978,7 @@
978 978  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
979 979  )))
980 980  
1013 +
981 981  * Downlink Payload (prefix 0xAC ):
982 982  
983 983  (% class="box infomessage" %)
... ... @@ -986,6 +986,7 @@
986 986  )))
987 987  
988 988  
1022 +
989 989  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
990 990  
991 991  * AT Command:
... ... @@ -992,6 +992,7 @@
992 992  
993 993  There is no AT Command to control Digital Output
994 994  
1029 +
995 995  * Downlink Payload (prefix 0x02):
996 996  
997 997  (% class="box infomessage" %)
... ... @@ -1018,6 +1018,7 @@
1018 1018  )))
1019 1019  
1020 1020  
1056 +
1021 1021  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1022 1022  
1023 1023  * AT Command:
... ... @@ -1024,6 +1024,7 @@
1024 1024  
1025 1025  There is no AT Command to control Digital Output
1026 1026  
1063 +
1027 1027  * Downlink Payload (prefix 0xA9):
1028 1028  
1029 1029  (% class="box infomessage" %)
... ... @@ -1043,18 +1043,22 @@
1043 1043  
1044 1044  00: DO pins will change to an inverter state after timeout 
1045 1045  
1083 +
1046 1046  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1047 1047  
1048 1048  [[image:image-20220524093238-6.png]]
1049 1049  
1088 +
1050 1050  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1051 1051  
1052 1052  [[image:image-20220524093328-7.png]]
1053 1053  
1093 +
1054 1054  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1055 1055  
1056 1056  [[image:image-20220524093351-8.png]]
1057 1057  
1098 +
1058 1058  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1059 1059  
1060 1060   Latching time. Unit: ms
... ... @@ -1061,6 +1061,7 @@
1061 1061  
1062 1062  Device will upload a packet if downlink code executes successfully.
1063 1063  
1105 +
1064 1064  **Example payload:**
1065 1065  
1066 1066  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1080,12 +1080,14 @@
1080 1080  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
1081 1081  
1082 1082  
1083 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1084 1084  
1126 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 +
1085 1085  * AT Command:
1086 1086  
1087 1087  There is no AT Command to control Relay Output
1088 1088  
1132 +
1089 1089  * Downlink Payload (prefix 0x03):
1090 1090  
1091 1091  (% class="box infomessage" %)
... ... @@ -1108,6 +1108,7 @@
1108 1108  Device will upload a packet if downlink code executes successfully.
1109 1109  
1110 1110  
1155 +
1111 1111  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1112 1112  
1113 1113  * AT Command:
... ... @@ -1114,6 +1114,7 @@
1114 1114  
1115 1115  There is no AT Command to control Relay Output
1116 1116  
1162 +
1117 1117  * Downlink Payload (prefix 0x05):
1118 1118  
1119 1119  (% class="box infomessage" %)
... ... @@ -1131,14 +1131,17 @@
1131 1131  
1132 1132  00: Relays will change to an inverter state after timeout
1133 1133  
1180 +
1134 1134  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1135 1135  
1136 1136  [[image:image-20220524093831-10.png]]
1137 1137  
1185 +
1138 1138  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1139 1139  
1140 1140  Device will upload a packet if downlink code executes successfully.
1141 1141  
1190 +
1142 1142  **Example payload:**
1143 1143  
1144 1144  **~1. 05 01 11 07 D0**
... ... @@ -1158,6 +1158,7 @@
1158 1158  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1159 1159  
1160 1160  
1210 +
1161 1161  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1162 1162  
1163 1163  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1169,6 +1169,7 @@
1169 1169  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1170 1170  )))
1171 1171  
1222 +
1172 1172  * Downlink Payload (prefix 0xA5):
1173 1173  
1174 1174  (% class="box infomessage" %)
... ... @@ -1177,6 +1177,7 @@
1177 1177  )))
1178 1178  
1179 1179  
1231 +
1180 1180  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1181 1181  
1182 1182  * AT Command:
... ... @@ -1194,6 +1194,7 @@
1194 1194  
1195 1195  Bb cc dd ee: number to be set
1196 1196  
1249 +
1197 1197  * Downlink Payload (prefix 0xA8):
1198 1198  
1199 1199  (% class="box infomessage" %)
... ... @@ -1202,6 +1202,7 @@
1202 1202  )))
1203 1203  
1204 1204  
1258 +
1205 1205  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1206 1206  
1207 1207  Clear counting for counting mode
... ... @@ -1221,6 +1221,7 @@
1221 1221  )))
1222 1222  
1223 1223  
1278 +
1224 1224  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1225 1225  
1226 1226  * AT Command:
... ... @@ -1243,16 +1243,17 @@
1243 1243  
1244 1244  )))
1245 1245  
1301 +
1246 1246  == 3.5 Integrate with Mydevice ==
1247 1247  
1248 1248  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:
1249 1249  
1250 1250  (((
1251 -**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.
1252 1252  )))
1253 1253  
1254 1254  (((
1255 -**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:
1256 1256  )))
1257 1257  
1258 1258  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1259,12 +1259,13 @@
1259 1259  
1260 1260  [[image:image-20220524094641-11.png||height="390" width="723"]]
1261 1261  
1318 +
1262 1262  [[image:image-20220524094641-12.png||height="402" width="718"]]
1263 1263  
1264 1264  
1265 -**Step 3**: Create an account or log in Mydevices.
1322 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1266 1266  
1267 -**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" %)
1268 1268  
1269 1269  Search under The things network
1270 1270  
... ... @@ -1271,19 +1271,25 @@
1271 1271  [[image:1653356838789-523.png||height="337" width="740"]]
1272 1272  
1273 1273  
1331 +
1274 1274  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1275 1275  
1276 1276  [[image:image-20220524094909-1.png||height="335" width="729"]]
1277 1277  
1336 +
1278 1278  [[image:image-20220524094909-2.png||height="337" width="729"]]
1279 1279  
1339 +
1280 1280  [[image:image-20220524094909-3.png||height="338" width="727"]]
1281 1281  
1342 +
1282 1282  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1283 1283  
1345 +
1284 1284  [[image:image-20220524094909-5.png||height="341" width="734"]]
1285 1285  
1286 1286  
1349 +
1287 1287  == 3.6 Interface Detail ==
1288 1288  
1289 1289  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1293,6 +1293,7 @@
1293 1293  [[image:1653356991268-289.png]]
1294 1294  
1295 1295  
1359 +
1296 1296  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1297 1297  
1298 1298  (((
... ... @@ -1318,7 +1318,7 @@
1318 1318  )))
1319 1319  
1320 1320  (((
1321 -**Example1**: Connect to a Low active sensor.
1385 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1322 1322  )))
1323 1323  
1324 1324  (((
... ... @@ -1349,7 +1349,7 @@
1349 1349  )))
1350 1350  
1351 1351  (((
1352 -**Example2**: Connect to a High active sensor.
1416 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1353 1353  )))
1354 1354  
1355 1355  (((
... ... @@ -1380,7 +1380,7 @@
1380 1380  )))
1381 1381  
1382 1382  (((
1383 -**Example3**: Connect to a 220v high active sensor.
1447 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1384 1384  )))
1385 1385  
1386 1386  (((
... ... @@ -1407,6 +1407,7 @@
1407 1407  )))
1408 1408  
1409 1409  
1474 +
1410 1410  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1411 1411  
1412 1412  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1414,12 +1414,14 @@
1414 1414  [[image:1653357531600-905.png]]
1415 1415  
1416 1416  
1482 +
1417 1417  === 3.6.4 Analog Input Interface ===
1418 1418  
1419 1419  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:
1420 1420  
1421 -**AC2 = (IN2 voltage )/12**
1422 1422  
1488 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1489 +
1423 1423  [[image:1653357592296-182.png]]
1424 1424  
1425 1425  Example to connect a 4~~20mA sensor
... ... @@ -1426,22 +1426,24 @@
1426 1426  
1427 1427  We take the wind speed sensor as an example for reference only.
1428 1428  
1429 -Specifications of the wind speed sensor:
1430 1430  
1431 -Red:12~~24v
1497 +**Specifications of the wind speed sensor:**
1432 1432  
1433 -Yellow:4~~20mA
1499 +Red:  12~~24v
1434 1434  
1435 -Black:GND
1501 +Yellow:  4~~20mA
1436 1436  
1503 +Black:  GND
1437 1437  
1438 -Connection diagram:
1439 1439  
1506 +**Connection diagram:**
1507 +
1440 1440  [[image:1653357640609-758.png]]
1441 1441  
1442 1442  [[image:1653357648330-671.png||height="155" width="733"]]
1443 1443  
1444 1444  
1513 +
1445 1445  === 3.6.5 Relay Output ===
1446 1446  
1447 1447  (((
... ... @@ -1453,6 +1453,7 @@
1453 1453  [[image:image-20220524100215-10.png||height="382" width="723"]]
1454 1454  
1455 1455  
1525 +
1456 1456  == 3.7 LEDs Indicators ==
1457 1457  
1458 1458  [[image:image-20220524100748-11.png]]
... ... @@ -1466,6 +1466,7 @@
1466 1466  
1467 1467  [[image:1653358238933-385.png]]
1468 1468  
1539 +
1469 1469  (((
1470 1470  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:
1471 1471  )))
... ... @@ -1472,6 +1472,7 @@
1472 1472  
1473 1473  [[image:1653358355238-883.png]]
1474 1474  
1546 +
1475 1475  (((
1476 1476  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/]]
1477 1477  )))
... ... @@ -1662,12 +1662,16 @@
1662 1662  
1663 1663  )))
1664 1664  
1737 +
1738 +
1665 1665  == 4.2 Common AT Command Sequence ==
1666 1666  
1667 1667  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1668 1668  
1669 1669  (((
1670 -If device has not joined network yet:
1744 +
1745 +
1746 +**If device has not joined network yet:**
1671 1671  )))
1672 1672  
1673 1673  (((
... ... @@ -1692,7 +1692,7 @@
1692 1692  
1693 1693  
1694 1694  (((
1695 -If device already joined network:
1771 +**If device already joined network:**
1696 1696  )))
1697 1697  
1698 1698  (((
... ... @@ -1705,10 +1705,14 @@
1705 1705  
1706 1706  )))
1707 1707  
1784 +
1785 +
1708 1708  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1709 1709  
1710 1710  (((
1711 -(% 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.
1712 1712  )))
1713 1713  
1714 1714  (((
... ... @@ -1716,7 +1716,7 @@
1716 1716  )))
1717 1717  
1718 1718  (((
1719 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1720 1720  )))
1721 1721  
1722 1722  (((
... ... @@ -1724,39 +1724,41 @@
1724 1724  )))
1725 1725  
1726 1726  (((
1727 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1807 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% 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
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1815 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1736 1736  )))
1737 1737  
1738 1738  (((
1739 -(% 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
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% 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
1744 1744  )))
1745 1745  
1746 1746  (((
1747 -(% 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)
1748 1748  )))
1749 1749  
1750 1750  (((
1751 -(% 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
1752 1752  )))
1753 1753  
1754 1754  (((
1755 -(% 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.
1756 1756  )))
1757 1757  
1758 1758  (((
1759 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1840 +
1841 +
1760 1760  )))
1761 1761  
1762 1762  (((
... ... @@ -1778,6 +1778,7 @@
1778 1778  
1779 1779  )))
1780 1780  
1863 +
1781 1781  === 4.2.3 Change to Class A ===
1782 1782  
1783 1783  If sensor JOINED
... ... @@ -1789,19 +1789,25 @@
1789 1789  
1790 1790  == 5.1 How to upgrade the image? ==
1791 1791  
1875 +
1792 1792  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1793 1793  
1794 1794  * Support new features
1795 1795  * For bug fix
1796 1796  * Change LoRaWAN bands.
1881 +
1797 1797  Below shows the hardware connection for how to upload an image to the LT:
1798 -* [[image:1653359603330-121.png]]
1799 1799  
1884 +[[image:1653359603330-121.png]]
1885 +
1886 +
1800 1800  (((
1801 -**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]].
1802 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1803 -**Step3: **Open flashloader; choose the correct COM port to update.
1804 -**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**(%%):
1805 1805  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.
1806 1806  )))
1807 1807  
... ... @@ -1811,6 +1811,7 @@
1811 1811  
1812 1812  [[image:image-20220524104033-15.png]]
1813 1813  
1903 +
1814 1814  (% 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:
1815 1815  
1816 1816  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1818,6 +1818,8 @@
1818 1818  
1819 1819  (((
1820 1820  (((
1911 +
1912 +
1821 1821  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1822 1822  )))
1823 1823  )))
... ... @@ -1824,11 +1824,11 @@
1824 1824  
1825 1825  (((
1826 1826  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1827 -
1828 -
1829 1829  )))
1830 1830  
1831 1831  (((
1922 +
1923 +
1832 1832  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1833 1833  )))
1834 1834  
... ... @@ -1841,6 +1841,8 @@
1841 1841  (((
1842 1842  (((
1843 1843  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1936 +
1937 +
1844 1844  )))
1845 1845  )))
1846 1846  
... ... @@ -1856,23 +1856,25 @@
1856 1856  (% 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.
1857 1857  )))
1858 1858  
1953 +
1859 1859  (((
1860 1860  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1861 1861  )))
1862 1862  
1863 1863  (((
1864 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1865 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1866 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1867 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1868 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1869 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1870 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1871 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1872 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1873 -(% 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
1874 1874  )))
1875 1875  
1971 +
1876 1876  (((
1877 1877  As shown in below:
1878 1878  )))
... ... @@ -1889,11 +1889,11 @@
1889 1889  == 5.5 Can i use point to point communication for LT-22222-L? ==
1890 1890  
1891 1891  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1892 -
1893 -
1894 1894  )))
1895 1895  
1896 1896  (((
1991 +
1992 +
1897 1897  = 6. Trouble Shooting =
1898 1898  )))
1899 1899  
... ... @@ -1905,11 +1905,11 @@
1905 1905  
1906 1906  (((
1907 1907  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1908 -
1909 -
1910 1910  )))
1911 1911  
1912 1912  (((
2007 +
2008 +
1913 1913  == 6.2 Have trouble to upload image. ==
1914 1914  )))
1915 1915  
... ... @@ -1919,9 +1919,7 @@
1919 1919  
1920 1920  (((
1921 1921  
1922 -)))
1923 1923  
1924 -(((
1925 1925  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1926 1926  )))
1927 1927  
... ... @@ -1929,147 +1929,55 @@
1929 1929  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1930 1930  )))
1931 1931  
1932 -(((
1933 -
1934 -)))
1935 1935  
1936 -(((
2027 +
1937 1937  = 7. Order Info =
1938 -)))
1939 1939  
1940 -(((
1941 -(((
2030 +
1942 1942  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1943 -)))
1944 -)))
1945 1945  
1946 -(((
1947 -(((
2033 +
1948 1948  (% style="color:#4f81bd" %)**XXX:**
1949 -)))
1950 -)))
1951 1951  
1952 -(((
1953 -* (((
1954 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1955 -)))
1956 -)))
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
1957 1957  
1958 -(((
1959 -* (((
1960 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1961 -)))
1962 -)))
1963 -
1964 -(((
1965 -* (((
1966 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1967 -)))
1968 -)))
1969 -
1970 -(((
1971 -* (((
1972 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1973 -)))
1974 -)))
1975 -
1976 -(((
1977 -* (((
1978 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1979 -)))
1980 -)))
1981 -
1982 -(((
1983 -* (((
1984 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1985 -)))
1986 -)))
1987 -
1988 -(((
1989 -* (((
1990 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1991 -)))
1992 -)))
1993 -
1994 -(((
1995 -* (((
1996 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1997 -)))
1998 -)))
1999 -
2000 -(((
2001 -* (((
2002 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2003 -
2004 -
2005 -)))
2006 -
2007 2007  = 8. Packing Info =
2008 -)))
2009 2009  
2010 -(((
2011 -(((
2048 +
2012 2012  **Package Includes**:
2013 -)))
2014 -)))
2015 2015  
2016 -(((
2017 -(((
2018 2018  * LT-22222-L I/O Controller x 1
2019 2019  * Stick Antenna for LoRa RF part x 1
2020 2020  * Bracket for controller x1
2021 2021  * Program cable x 1
2022 -)))
2023 -)))
2024 2024  
2025 -(((
2026 -(((
2027 2027  **Dimension and weight**:
2028 -)))
2029 -)))
2030 2030  
2031 -(((
2032 -(((
2033 2033  * Device Size: 13.5 x 7 x 3 cm
2034 2034  * Device Weight: 105g
2035 2035  * Package Size / pcs : 14.5 x 8 x 5 cm
2036 2036  * Weight / pcs : 170g
2037 2037  
2038 -
2039 -)))
2040 -)))
2041 -
2042 -(((
2043 2043  = 9. Support =
2044 -)))
2045 2045  
2046 2046  * (((
2047 -(((
2048 2048  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.
2049 2049  )))
2050 -)))
2051 2051  * (((
2052 -(((
2053 -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]]
2054 2054  )))
2055 -)))
2056 2056  
2057 -(((
2058 -(((
2059 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2060 -
2061 -
2062 -)))
2063 -
2064 -(((
2065 2065  = 10. Reference​​​​​ =
2066 2066  
2067 -* Product Page:
2068 -
2069 -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]]
2070 -
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]]
2071 2071  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2072 2072  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2073 2073  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2074 -)))
2075 -)))

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0