Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.16 >
edited by Xiaoling
on 2022/06/10 08:40
To version < 77.80 >
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  
... ... @@ -569,6 +569,8 @@
569 569  [[image:image-20220523182334-9.png]]
570 570  
571 571  (((
561 +
562 +
572 572  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
573 573  )))
574 574  
... ... @@ -583,6 +583,8 @@
583 583  )))
584 584  
585 585  (((
577 +
578 +
586 586  **To use this mode, please run:**
587 587  )))
588 588  
... ... @@ -602,8 +602,6 @@
602 602  
603 603  (((
604 604  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
605 -
606 -
607 607  )))
608 608  
609 609  
... ... @@ -617,11 +617,13 @@
617 617  * **AT+MOD=1 ** **~-~->** The normal working mode
618 618  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
619 619  
611 +
620 620  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
621 621  
622 622  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
623 623  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.**
624 624  
617 +
625 625  **AT Command to set Trigger Condition**:
626 626  
627 627  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -673,14 +673,17 @@
673 673  
674 674   Yy4 yy4: AC2 or AV2 high limit.
675 675  
669 +
676 676  **Example1**: AA 00 13 88 00 00 00 00 00 00
677 677  
678 678  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
679 679  
674 +
680 680  **Example2**: AA 02 01 00
681 681  
682 682  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
683 683  
679 +
684 684  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
685 685  
686 686  MOD6 Payload : total 11 bytes payload
... ... @@ -687,6 +687,7 @@
687 687  
688 688  [[image:image-20220524085923-1.png]]
689 689  
686 +
690 690  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
691 691  
692 692  [[image:image-20220524090106-2.png]]
... ... @@ -693,6 +693,7 @@
693 693  
694 694  * Each bits shows if the corresponding trigger has been configured.
695 695  
693 +
696 696  **Example:**
697 697  
698 698  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -704,6 +704,7 @@
704 704  
705 705  * Each bits shows which status has been trigger on this uplink.
706 706  
705 +
707 707  **Example:**
708 708  
709 709  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -715,6 +715,7 @@
715 715  
716 716  * Each bits shows which status has been trigger on this uplink.
717 717  
717 +
718 718  **Example:**
719 719  
720 720  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -731,6 +731,7 @@
731 731  When device got this command, it will send the MOD6 payload.
732 732  
733 733  
734 +
734 734  === 3.3.7 Payload Decoder ===
735 735  
736 736  (((
... ... @@ -739,6 +739,8 @@
739 739  
740 740  )))
741 741  
743 +
744 +
742 742  == 3.4 ​Configure LT via AT or Downlink ==
743 743  
744 744  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -751,11 +751,14 @@
751 751  
752 752  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
753 753  
757 +
758 +
754 754  === 3.4.1 Common Commands ===
755 755  
756 756  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]]
757 757  
758 758  
764 +
759 759  === 3.4.2 Sensor related commands ===
760 760  
761 761  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -771,6 +771,7 @@
771 771  
772 772  **Example: **AT+TDC=30000. Means set interval to 30 seconds
773 773  
780 +
774 774  * Downlink Payload (prefix 0x01):
775 775  
776 776  (% class="box infomessage" %)
... ... @@ -779,6 +779,7 @@
779 779  )))
780 780  
781 781  
789 +
782 782  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
783 783  
784 784  Set work mode.
... ... @@ -792,6 +792,7 @@
792 792  
793 793  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
794 794  
803 +
795 795  * Downlink Payload (prefix 0x0A):
796 796  
797 797  (% class="box infomessage" %)
... ... @@ -800,6 +800,7 @@
800 800  )))
801 801  
802 802  
812 +
803 803  ==== 3.4.2.3 Poll an uplink ====
804 804  
805 805  * AT Command:
... ... @@ -806,6 +806,7 @@
806 806  
807 807  There is no AT Command to poll uplink
808 808  
819 +
809 809  * Downlink Payload (prefix 0x08):
810 810  
811 811  (% class="box infomessage" %)
... ... @@ -816,6 +816,7 @@
816 816  **Example**: 0x08FF, ask device to send an Uplink
817 817  
818 818  
830 +
819 819  ==== 3.4.2.4 Enable Trigger Mode ====
820 820  
821 821  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -831,6 +831,7 @@
831 831  
832 832  0: Disable Trigger Mode
833 833  
846 +
834 834  * Downlink Payload (prefix 0x0A 06):
835 835  
836 836  (% class="box infomessage" %)
... ... @@ -839,6 +839,7 @@
839 839  )))
840 840  
841 841  
855 +
842 842  ==== 3.4.2.5 Poll trigger settings ====
843 843  
844 844  Poll trigger settings,
... ... @@ -847,6 +847,7 @@
847 847  
848 848  There is no AT Command for this feature.
849 849  
864 +
850 850  * Downlink Payload (prefix 0x AB 06):
851 851  
852 852  (% class="box infomessage" %)
... ... @@ -855,6 +855,7 @@
855 855  )))
856 856  
857 857  
873 +
858 858  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
859 859  
860 860  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -866,6 +866,7 @@
866 866  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
867 867  )))
868 868  
885 +
869 869  **Example:**
870 870  
871 871  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -878,6 +878,7 @@
878 878  )))
879 879  
880 880  
898 +
881 881  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
882 882  
883 883  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -893,10 +893,12 @@
893 893  
894 894  b : delay timing.
895 895  
914 +
896 896  **Example:**
897 897  
898 898  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
899 899  
919 +
900 900  * Downlink Payload (prefix 0x09 01 ):
901 901  
902 902  (% class="box infomessage" %)
... ... @@ -905,6 +905,7 @@
905 905  )))
906 906  
907 907  
928 +
908 908  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
909 909  
910 910  Set DI2 trigger.
... ... @@ -920,10 +920,12 @@
920 920  
921 921  b : delay timing.
922 922  
944 +
923 923  **Example:**
924 924  
925 925  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
926 926  
949 +
927 927  * Downlink Payload (prefix 0x09 02 ):
928 928  
929 929  (% class="box infomessage" %)
... ... @@ -932,6 +932,7 @@
932 932  )))
933 933  
934 934  
958 +
935 935  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
936 936  
937 937  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -943,6 +943,7 @@
943 943  **AT+ACLIM. **
944 944  )))
945 945  
970 +
946 946  * Downlink Payload (prefix 0xAA 01 ):
947 947  
948 948  (% class="box infomessage" %)
... ... @@ -951,6 +951,7 @@
951 951  )))
952 952  
953 953  
979 +
954 954  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
955 955  
956 956  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -962,6 +962,7 @@
962 962  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
963 963  )))
964 964  
991 +
965 965  * Downlink Payload (prefix 0xAA 00 ):
966 966  
967 967  (% class="box infomessage" %)
... ... @@ -970,6 +970,7 @@
970 970  )))
971 971  
972 972  
1000 +
973 973  ==== 3.4.2.11 Trigger – Set minimum interval ====
974 974  
975 975  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -981,6 +981,7 @@
981 981  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
982 982  )))
983 983  
1012 +
984 984  * Downlink Payload (prefix 0xAC ):
985 985  
986 986  (% class="box infomessage" %)
... ... @@ -989,6 +989,7 @@
989 989  )))
990 990  
991 991  
1021 +
992 992  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
993 993  
994 994  * AT Command:
... ... @@ -995,6 +995,7 @@
995 995  
996 996  There is no AT Command to control Digital Output
997 997  
1028 +
998 998  * Downlink Payload (prefix 0x02):
999 999  
1000 1000  (% class="box infomessage" %)
... ... @@ -1021,6 +1021,7 @@
1021 1021  )))
1022 1022  
1023 1023  
1055 +
1024 1024  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1025 1025  
1026 1026  * AT Command:
... ... @@ -1027,6 +1027,7 @@
1027 1027  
1028 1028  There is no AT Command to control Digital Output
1029 1029  
1062 +
1030 1030  * Downlink Payload (prefix 0xA9):
1031 1031  
1032 1032  (% class="box infomessage" %)
... ... @@ -1046,18 +1046,22 @@
1046 1046  
1047 1047  00: DO pins will change to an inverter state after timeout 
1048 1048  
1082 +
1049 1049  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1050 1050  
1051 1051  [[image:image-20220524093238-6.png]]
1052 1052  
1087 +
1053 1053  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1054 1054  
1055 1055  [[image:image-20220524093328-7.png]]
1056 1056  
1092 +
1057 1057  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1058 1058  
1059 1059  [[image:image-20220524093351-8.png]]
1060 1060  
1097 +
1061 1061  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1062 1062  
1063 1063   Latching time. Unit: ms
... ... @@ -1064,6 +1064,7 @@
1064 1064  
1065 1065  Device will upload a packet if downlink code executes successfully.
1066 1066  
1104 +
1067 1067  **Example payload:**
1068 1068  
1069 1069  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1083,12 +1083,14 @@
1083 1083  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
1084 1084  
1085 1085  
1086 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1087 1087  
1125 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1126 +
1088 1088  * AT Command:
1089 1089  
1090 1090  There is no AT Command to control Relay Output
1091 1091  
1131 +
1092 1092  * Downlink Payload (prefix 0x03):
1093 1093  
1094 1094  (% class="box infomessage" %)
... ... @@ -1111,6 +1111,7 @@
1111 1111  Device will upload a packet if downlink code executes successfully.
1112 1112  
1113 1113  
1154 +
1114 1114  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1115 1115  
1116 1116  * AT Command:
... ... @@ -1117,6 +1117,7 @@
1117 1117  
1118 1118  There is no AT Command to control Relay Output
1119 1119  
1161 +
1120 1120  * Downlink Payload (prefix 0x05):
1121 1121  
1122 1122  (% class="box infomessage" %)
... ... @@ -1134,14 +1134,17 @@
1134 1134  
1135 1135  00: Relays will change to an inverter state after timeout
1136 1136  
1179 +
1137 1137  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1138 1138  
1139 1139  [[image:image-20220524093831-10.png]]
1140 1140  
1184 +
1141 1141  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1142 1142  
1143 1143  Device will upload a packet if downlink code executes successfully.
1144 1144  
1189 +
1145 1145  **Example payload:**
1146 1146  
1147 1147  **~1. 05 01 11 07 D0**
... ... @@ -1161,6 +1161,7 @@
1161 1161  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1162 1162  
1163 1163  
1209 +
1164 1164  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1165 1165  
1166 1166  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1172,6 +1172,7 @@
1172 1172  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1173 1173  )))
1174 1174  
1221 +
1175 1175  * Downlink Payload (prefix 0xA5):
1176 1176  
1177 1177  (% class="box infomessage" %)
... ... @@ -1180,6 +1180,7 @@
1180 1180  )))
1181 1181  
1182 1182  
1230 +
1183 1183  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1184 1184  
1185 1185  * AT Command:
... ... @@ -1197,6 +1197,7 @@
1197 1197  
1198 1198  Bb cc dd ee: number to be set
1199 1199  
1248 +
1200 1200  * Downlink Payload (prefix 0xA8):
1201 1201  
1202 1202  (% class="box infomessage" %)
... ... @@ -1205,6 +1205,7 @@
1205 1205  )))
1206 1206  
1207 1207  
1257 +
1208 1208  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1209 1209  
1210 1210  Clear counting for counting mode
... ... @@ -1224,6 +1224,7 @@
1224 1224  )))
1225 1225  
1226 1226  
1277 +
1227 1227  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1228 1228  
1229 1229  * AT Command:
... ... @@ -1246,16 +1246,17 @@
1246 1246  
1247 1247  )))
1248 1248  
1300 +
1249 1249  == 3.5 Integrate with Mydevice ==
1250 1250  
1251 1251  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:
1252 1252  
1253 1253  (((
1254 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1306 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1255 1255  )))
1256 1256  
1257 1257  (((
1258 -**Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1310 +(% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1259 1259  )))
1260 1260  
1261 1261  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1262,12 +1262,13 @@
1262 1262  
1263 1263  [[image:image-20220524094641-11.png||height="390" width="723"]]
1264 1264  
1317 +
1265 1265  [[image:image-20220524094641-12.png||height="402" width="718"]]
1266 1266  
1267 1267  
1268 -**Step 3**: Create an account or log in Mydevices.
1321 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1269 1269  
1270 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1323 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1271 1271  
1272 1272  Search under The things network
1273 1273  
... ... @@ -1274,19 +1274,25 @@
1274 1274  [[image:1653356838789-523.png||height="337" width="740"]]
1275 1275  
1276 1276  
1330 +
1277 1277  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1278 1278  
1279 1279  [[image:image-20220524094909-1.png||height="335" width="729"]]
1280 1280  
1335 +
1281 1281  [[image:image-20220524094909-2.png||height="337" width="729"]]
1282 1282  
1338 +
1283 1283  [[image:image-20220524094909-3.png||height="338" width="727"]]
1284 1284  
1341 +
1285 1285  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1286 1286  
1344 +
1287 1287  [[image:image-20220524094909-5.png||height="341" width="734"]]
1288 1288  
1289 1289  
1348 +
1290 1290  == 3.6 Interface Detail ==
1291 1291  
1292 1292  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1296,6 +1296,7 @@
1296 1296  [[image:1653356991268-289.png]]
1297 1297  
1298 1298  
1358 +
1299 1299  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1300 1300  
1301 1301  (((
... ... @@ -1321,7 +1321,7 @@
1321 1321  )))
1322 1322  
1323 1323  (((
1324 -**Example1**: Connect to a Low active sensor.
1384 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1325 1325  )))
1326 1326  
1327 1327  (((
... ... @@ -1352,7 +1352,7 @@
1352 1352  )))
1353 1353  
1354 1354  (((
1355 -**Example2**: Connect to a High active sensor.
1415 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1356 1356  )))
1357 1357  
1358 1358  (((
... ... @@ -1383,7 +1383,7 @@
1383 1383  )))
1384 1384  
1385 1385  (((
1386 -**Example3**: Connect to a 220v high active sensor.
1446 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1387 1387  )))
1388 1388  
1389 1389  (((
... ... @@ -1410,6 +1410,7 @@
1410 1410  )))
1411 1411  
1412 1412  
1473 +
1413 1413  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1414 1414  
1415 1415  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1417,12 +1417,14 @@
1417 1417  [[image:1653357531600-905.png]]
1418 1418  
1419 1419  
1481 +
1420 1420  === 3.6.4 Analog Input Interface ===
1421 1421  
1422 1422  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:
1423 1423  
1424 -**AC2 = (IN2 voltage )/12**
1425 1425  
1487 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1488 +
1426 1426  [[image:1653357592296-182.png]]
1427 1427  
1428 1428  Example to connect a 4~~20mA sensor
... ... @@ -1429,22 +1429,24 @@
1429 1429  
1430 1430  We take the wind speed sensor as an example for reference only.
1431 1431  
1432 -Specifications of the wind speed sensor:
1433 1433  
1434 -Red:12~~24v
1496 +**Specifications of the wind speed sensor:**
1435 1435  
1436 -Yellow:4~~20mA
1498 +Red:  12~~24v
1437 1437  
1438 -Black:GND
1500 +Yellow:  4~~20mA
1439 1439  
1502 +Black:  GND
1440 1440  
1441 -Connection diagram:
1442 1442  
1505 +**Connection diagram:**
1506 +
1443 1443  [[image:1653357640609-758.png]]
1444 1444  
1445 1445  [[image:1653357648330-671.png||height="155" width="733"]]
1446 1446  
1447 1447  
1512 +
1448 1448  === 3.6.5 Relay Output ===
1449 1449  
1450 1450  (((
... ... @@ -1456,6 +1456,7 @@
1456 1456  [[image:image-20220524100215-10.png||height="382" width="723"]]
1457 1457  
1458 1458  
1524 +
1459 1459  == 3.7 LEDs Indicators ==
1460 1460  
1461 1461  [[image:image-20220524100748-11.png]]
... ... @@ -1469,6 +1469,7 @@
1469 1469  
1470 1470  [[image:1653358238933-385.png]]
1471 1471  
1538 +
1472 1472  (((
1473 1473  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:
1474 1474  )))
... ... @@ -1475,6 +1475,7 @@
1475 1475  
1476 1476  [[image:1653358355238-883.png]]
1477 1477  
1545 +
1478 1478  (((
1479 1479  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/]]
1480 1480  )))
... ... @@ -1665,12 +1665,16 @@
1665 1665  
1666 1666  )))
1667 1667  
1736 +
1737 +
1668 1668  == 4.2 Common AT Command Sequence ==
1669 1669  
1670 1670  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1671 1671  
1672 1672  (((
1673 -If device has not joined network yet:
1743 +
1744 +
1745 +**If device has not joined network yet:**
1674 1674  )))
1675 1675  
1676 1676  (((
... ... @@ -1695,7 +1695,7 @@
1695 1695  
1696 1696  
1697 1697  (((
1698 -If device already joined network:
1770 +**If device already joined network:**
1699 1699  )))
1700 1700  
1701 1701  (((
... ... @@ -1708,10 +1708,14 @@
1708 1708  
1709 1709  )))
1710 1710  
1783 +
1784 +
1711 1711  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1712 1712  
1713 1713  (((
1714 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1788 +
1789 +
1790 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1715 1715  )))
1716 1716  
1717 1717  (((
... ... @@ -1719,7 +1719,7 @@
1719 1719  )))
1720 1720  
1721 1721  (((
1722 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1798 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1723 1723  )))
1724 1724  
1725 1725  (((
... ... @@ -1727,39 +1727,41 @@
1727 1727  )))
1728 1728  
1729 1729  (((
1730 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1806 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1731 1731  )))
1732 1732  
1733 1733  (((
1734 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1810 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1735 1735  )))
1736 1736  
1737 1737  (((
1738 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1814 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1739 1739  )))
1740 1740  
1741 1741  (((
1742 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1818 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1743 1743  )))
1744 1744  
1745 1745  (((
1746 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1822 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1747 1747  )))
1748 1748  
1749 1749  (((
1750 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1826 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1751 1751  )))
1752 1752  
1753 1753  (((
1754 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1830 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1755 1755  )))
1756 1756  
1757 1757  (((
1758 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1834 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1759 1759  )))
1760 1760  
1761 1761  (((
1762 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1838 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +
1840 +
1763 1763  )))
1764 1764  
1765 1765  (((
... ... @@ -1781,6 +1781,7 @@
1781 1781  
1782 1782  )))
1783 1783  
1862 +
1784 1784  === 4.2.3 Change to Class A ===
1785 1785  
1786 1786  If sensor JOINED
... ... @@ -1792,19 +1792,25 @@
1792 1792  
1793 1793  == 5.1 How to upgrade the image? ==
1794 1794  
1874 +
1795 1795  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1796 1796  
1797 1797  * Support new features
1798 1798  * For bug fix
1799 1799  * Change LoRaWAN bands.
1880 +
1800 1800  Below shows the hardware connection for how to upload an image to the LT:
1801 -* [[image:1653359603330-121.png]]
1802 1802  
1883 +[[image:1653359603330-121.png]]
1884 +
1885 +
1803 1803  (((
1804 -**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]].
1805 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1806 -**Step3: **Open flashloader; choose the correct COM port to update.
1807 -**For LT-22222-L**:
1887 +(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1888 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1889 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1890 +
1891 +
1892 +(% style="color:blue" %)**For LT-22222-L**(%%):
1808 1808  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.
1809 1809  )))
1810 1810  
... ... @@ -1814,6 +1814,7 @@
1814 1814  
1815 1815  [[image:image-20220524104033-15.png]]
1816 1816  
1902 +
1817 1817  (% 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:
1818 1818  
1819 1819  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1821,6 +1821,8 @@
1821 1821  
1822 1822  (((
1823 1823  (((
1910 +
1911 +
1824 1824  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1825 1825  )))
1826 1826  )))
... ... @@ -1827,11 +1827,11 @@
1827 1827  
1828 1828  (((
1829 1829  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1830 -
1831 -
1832 1832  )))
1833 1833  
1834 1834  (((
1921 +
1922 +
1835 1835  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1836 1836  )))
1837 1837  
... ... @@ -1844,6 +1844,8 @@
1844 1844  (((
1845 1845  (((
1846 1846  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1935 +
1936 +
1847 1847  )))
1848 1848  )))
1849 1849  
... ... @@ -1859,23 +1859,25 @@
1859 1859  (% 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.
1860 1860  )))
1861 1861  
1952 +
1862 1862  (((
1863 1863  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1864 1864  )))
1865 1865  
1866 1866  (((
1867 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1868 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1869 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1870 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1871 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1872 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1873 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1874 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1875 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1876 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1958 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1959 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1960 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1961 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1962 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1963 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1964 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1965 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1966 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1967 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1877 1877  )))
1878 1878  
1970 +
1879 1879  (((
1880 1880  As shown in below:
1881 1881  )))
... ... @@ -1892,11 +1892,11 @@
1892 1892  == 5.5 Can i use point to point communication for LT-22222-L? ==
1893 1893  
1894 1894  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1895 -
1896 -
1897 1897  )))
1898 1898  
1899 1899  (((
1990 +
1991 +
1900 1900  = 6. Trouble Shooting =
1901 1901  )))
1902 1902  
... ... @@ -1908,11 +1908,11 @@
1908 1908  
1909 1909  (((
1910 1910  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1911 -
1912 -
1913 1913  )))
1914 1914  
1915 1915  (((
2006 +
2007 +
1916 1916  == 6.2 Have trouble to upload image. ==
1917 1917  )))
1918 1918  
... ... @@ -1922,9 +1922,7 @@
1922 1922  
1923 1923  (((
1924 1924  
1925 -)))
1926 1926  
1927 -(((
1928 1928  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1929 1929  )))
1930 1930  
... ... @@ -1932,147 +1932,55 @@
1932 1932  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1933 1933  )))
1934 1934  
1935 -(((
1936 -
1937 -)))
1938 1938  
1939 -(((
2026 +
1940 1940  = 7. Order Info =
1941 -)))
1942 1942  
1943 -(((
1944 -(((
2029 +
1945 1945  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1946 -)))
1947 -)))
1948 1948  
1949 -(((
1950 -(((
2032 +
1951 1951  (% style="color:#4f81bd" %)**XXX:**
1952 -)))
1953 -)))
1954 1954  
1955 -(((
1956 -* (((
1957 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1958 -)))
1959 -)))
2035 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2036 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2037 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2038 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2039 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2040 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2041 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2042 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2043 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1960 1960  
1961 -(((
1962 -* (((
1963 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1964 -)))
1965 -)))
1966 -
1967 -(((
1968 -* (((
1969 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1970 -)))
1971 -)))
1972 -
1973 -(((
1974 -* (((
1975 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1976 -)))
1977 -)))
1978 -
1979 -(((
1980 -* (((
1981 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1982 -)))
1983 -)))
1984 -
1985 -(((
1986 -* (((
1987 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1988 -)))
1989 -)))
1990 -
1991 -(((
1992 -* (((
1993 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1994 -)))
1995 -)))
1996 -
1997 -(((
1998 -* (((
1999 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2000 -)))
2001 -)))
2002 -
2003 -(((
2004 -* (((
2005 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2006 -
2007 -
2008 -)))
2009 -
2010 2010  = 8. Packing Info =
2011 -)))
2012 2012  
2013 -(((
2014 -(((
2047 +
2015 2015  **Package Includes**:
2016 -)))
2017 -)))
2018 2018  
2019 -(((
2020 -(((
2021 2021  * LT-22222-L I/O Controller x 1
2022 2022  * Stick Antenna for LoRa RF part x 1
2023 2023  * Bracket for controller x1
2024 2024  * Program cable x 1
2025 -)))
2026 -)))
2027 2027  
2028 -(((
2029 -(((
2030 2030  **Dimension and weight**:
2031 -)))
2032 -)))
2033 2033  
2034 -(((
2035 -(((
2036 2036  * Device Size: 13.5 x 7 x 3 cm
2037 2037  * Device Weight: 105g
2038 2038  * Package Size / pcs : 14.5 x 8 x 5 cm
2039 2039  * Weight / pcs : 170g
2040 2040  
2041 -
2042 -)))
2043 -)))
2044 -
2045 -(((
2046 2046  = 9. Support =
2047 -)))
2048 2048  
2049 2049  * (((
2050 -(((
2051 2051  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.
2052 2052  )))
2053 -)))
2054 2054  * (((
2055 -(((
2056 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
2068 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2057 2057  )))
2058 -)))
2059 2059  
2060 -(((
2061 -(((
2062 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2063 -
2064 -
2065 -)))
2066 -
2067 -(((
2068 2068  = 10. Reference​​​​​ =
2069 2069  
2070 -* Product Page:
2071 -
2072 -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]]
2073 -
2073 +* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2074 2074  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2075 2075  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2076 2076  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2077 -)))
2078 -)))

Applications

Navigation

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