Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.17 >
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

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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.
... ... @@ -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.
... ... @@ -740,6 +740,8 @@
740 740  
741 741  )))
742 742  
743 +
744 +
743 743  == 3.4 ​Configure LT via AT or Downlink ==
744 744  
745 745  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -752,11 +752,14 @@
752 752  
753 753  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
754 754  
757 +
758 +
755 755  === 3.4.1 Common Commands ===
756 756  
757 757  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]]
758 758  
759 759  
764 +
760 760  === 3.4.2 Sensor related commands ===
761 761  
762 762  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -772,6 +772,7 @@
772 772  
773 773  **Example: **AT+TDC=30000. Means set interval to 30 seconds
774 774  
780 +
775 775  * Downlink Payload (prefix 0x01):
776 776  
777 777  (% class="box infomessage" %)
... ... @@ -780,6 +780,7 @@
780 780  )))
781 781  
782 782  
789 +
783 783  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
784 784  
785 785  Set work mode.
... ... @@ -793,6 +793,7 @@
793 793  
794 794  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
795 795  
803 +
796 796  * Downlink Payload (prefix 0x0A):
797 797  
798 798  (% class="box infomessage" %)
... ... @@ -801,6 +801,7 @@
801 801  )))
802 802  
803 803  
812 +
804 804  ==== 3.4.2.3 Poll an uplink ====
805 805  
806 806  * AT Command:
... ... @@ -807,6 +807,7 @@
807 807  
808 808  There is no AT Command to poll uplink
809 809  
819 +
810 810  * Downlink Payload (prefix 0x08):
811 811  
812 812  (% class="box infomessage" %)
... ... @@ -817,6 +817,7 @@
817 817  **Example**: 0x08FF, ask device to send an Uplink
818 818  
819 819  
830 +
820 820  ==== 3.4.2.4 Enable Trigger Mode ====
821 821  
822 822  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -832,6 +832,7 @@
832 832  
833 833  0: Disable Trigger Mode
834 834  
846 +
835 835  * Downlink Payload (prefix 0x0A 06):
836 836  
837 837  (% class="box infomessage" %)
... ... @@ -840,6 +840,7 @@
840 840  )))
841 841  
842 842  
855 +
843 843  ==== 3.4.2.5 Poll trigger settings ====
844 844  
845 845  Poll trigger settings,
... ... @@ -848,6 +848,7 @@
848 848  
849 849  There is no AT Command for this feature.
850 850  
864 +
851 851  * Downlink Payload (prefix 0x AB 06):
852 852  
853 853  (% class="box infomessage" %)
... ... @@ -856,6 +856,7 @@
856 856  )))
857 857  
858 858  
873 +
859 859  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
860 860  
861 861  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -867,6 +867,7 @@
867 867  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
868 868  )))
869 869  
885 +
870 870  **Example:**
871 871  
872 872  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -879,6 +879,7 @@
879 879  )))
880 880  
881 881  
898 +
882 882  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
883 883  
884 884  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -894,10 +894,12 @@
894 894  
895 895  b : delay timing.
896 896  
914 +
897 897  **Example:**
898 898  
899 899  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
900 900  
919 +
901 901  * Downlink Payload (prefix 0x09 01 ):
902 902  
903 903  (% class="box infomessage" %)
... ... @@ -906,6 +906,7 @@
906 906  )))
907 907  
908 908  
928 +
909 909  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
910 910  
911 911  Set DI2 trigger.
... ... @@ -921,10 +921,12 @@
921 921  
922 922  b : delay timing.
923 923  
944 +
924 924  **Example:**
925 925  
926 926  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
927 927  
949 +
928 928  * Downlink Payload (prefix 0x09 02 ):
929 929  
930 930  (% class="box infomessage" %)
... ... @@ -933,6 +933,7 @@
933 933  )))
934 934  
935 935  
958 +
936 936  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
937 937  
938 938  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -944,6 +944,7 @@
944 944  **AT+ACLIM. **
945 945  )))
946 946  
970 +
947 947  * Downlink Payload (prefix 0xAA 01 ):
948 948  
949 949  (% class="box infomessage" %)
... ... @@ -952,6 +952,7 @@
952 952  )))
953 953  
954 954  
979 +
955 955  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
956 956  
957 957  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -963,6 +963,7 @@
963 963  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
964 964  )))
965 965  
991 +
966 966  * Downlink Payload (prefix 0xAA 00 ):
967 967  
968 968  (% class="box infomessage" %)
... ... @@ -971,6 +971,7 @@
971 971  )))
972 972  
973 973  
1000 +
974 974  ==== 3.4.2.11 Trigger – Set minimum interval ====
975 975  
976 976  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -982,6 +982,7 @@
982 982  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
983 983  )))
984 984  
1012 +
985 985  * Downlink Payload (prefix 0xAC ):
986 986  
987 987  (% class="box infomessage" %)
... ... @@ -990,6 +990,7 @@
990 990  )))
991 991  
992 992  
1021 +
993 993  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
994 994  
995 995  * AT Command:
... ... @@ -996,6 +996,7 @@
996 996  
997 997  There is no AT Command to control Digital Output
998 998  
1028 +
999 999  * Downlink Payload (prefix 0x02):
1000 1000  
1001 1001  (% class="box infomessage" %)
... ... @@ -1022,6 +1022,7 @@
1022 1022  )))
1023 1023  
1024 1024  
1055 +
1025 1025  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1026 1026  
1027 1027  * AT Command:
... ... @@ -1028,6 +1028,7 @@
1028 1028  
1029 1029  There is no AT Command to control Digital Output
1030 1030  
1062 +
1031 1031  * Downlink Payload (prefix 0xA9):
1032 1032  
1033 1033  (% class="box infomessage" %)
... ... @@ -1047,18 +1047,22 @@
1047 1047  
1048 1048  00: DO pins will change to an inverter state after timeout 
1049 1049  
1082 +
1050 1050  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1051 1051  
1052 1052  [[image:image-20220524093238-6.png]]
1053 1053  
1087 +
1054 1054  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1055 1055  
1056 1056  [[image:image-20220524093328-7.png]]
1057 1057  
1092 +
1058 1058  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1059 1059  
1060 1060  [[image:image-20220524093351-8.png]]
1061 1061  
1097 +
1062 1062  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1063 1063  
1064 1064   Latching time. Unit: ms
... ... @@ -1065,6 +1065,7 @@
1065 1065  
1066 1066  Device will upload a packet if downlink code executes successfully.
1067 1067  
1104 +
1068 1068  **Example payload:**
1069 1069  
1070 1070  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1084,12 +1084,14 @@
1084 1084  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
1085 1085  
1086 1086  
1087 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1088 1088  
1125 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1126 +
1089 1089  * AT Command:
1090 1090  
1091 1091  There is no AT Command to control Relay Output
1092 1092  
1131 +
1093 1093  * Downlink Payload (prefix 0x03):
1094 1094  
1095 1095  (% class="box infomessage" %)
... ... @@ -1112,6 +1112,7 @@
1112 1112  Device will upload a packet if downlink code executes successfully.
1113 1113  
1114 1114  
1154 +
1115 1115  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1116 1116  
1117 1117  * AT Command:
... ... @@ -1118,6 +1118,7 @@
1118 1118  
1119 1119  There is no AT Command to control Relay Output
1120 1120  
1161 +
1121 1121  * Downlink Payload (prefix 0x05):
1122 1122  
1123 1123  (% class="box infomessage" %)
... ... @@ -1135,14 +1135,17 @@
1135 1135  
1136 1136  00: Relays will change to an inverter state after timeout
1137 1137  
1179 +
1138 1138  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1139 1139  
1140 1140  [[image:image-20220524093831-10.png]]
1141 1141  
1184 +
1142 1142  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1143 1143  
1144 1144  Device will upload a packet if downlink code executes successfully.
1145 1145  
1189 +
1146 1146  **Example payload:**
1147 1147  
1148 1148  **~1. 05 01 11 07 D0**
... ... @@ -1162,6 +1162,7 @@
1162 1162  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1163 1163  
1164 1164  
1209 +
1165 1165  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1166 1166  
1167 1167  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1173,6 +1173,7 @@
1173 1173  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1174 1174  )))
1175 1175  
1221 +
1176 1176  * Downlink Payload (prefix 0xA5):
1177 1177  
1178 1178  (% class="box infomessage" %)
... ... @@ -1181,6 +1181,7 @@
1181 1181  )))
1182 1182  
1183 1183  
1230 +
1184 1184  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1185 1185  
1186 1186  * AT Command:
... ... @@ -1198,6 +1198,7 @@
1198 1198  
1199 1199  Bb cc dd ee: number to be set
1200 1200  
1248 +
1201 1201  * Downlink Payload (prefix 0xA8):
1202 1202  
1203 1203  (% class="box infomessage" %)
... ... @@ -1206,6 +1206,7 @@
1206 1206  )))
1207 1207  
1208 1208  
1257 +
1209 1209  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1210 1210  
1211 1211  Clear counting for counting mode
... ... @@ -1225,6 +1225,7 @@
1225 1225  )))
1226 1226  
1227 1227  
1277 +
1228 1228  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1229 1229  
1230 1230  * AT Command:
... ... @@ -1247,16 +1247,17 @@
1247 1247  
1248 1248  )))
1249 1249  
1300 +
1250 1250  == 3.5 Integrate with Mydevice ==
1251 1251  
1252 1252  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:
1253 1253  
1254 1254  (((
1255 -**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.
1256 1256  )))
1257 1257  
1258 1258  (((
1259 -**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:
1260 1260  )))
1261 1261  
1262 1262  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1263,12 +1263,13 @@
1263 1263  
1264 1264  [[image:image-20220524094641-11.png||height="390" width="723"]]
1265 1265  
1317 +
1266 1266  [[image:image-20220524094641-12.png||height="402" width="718"]]
1267 1267  
1268 1268  
1269 -**Step 3**: Create an account or log in Mydevices.
1321 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1270 1270  
1271 -**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" %)
1272 1272  
1273 1273  Search under The things network
1274 1274  
... ... @@ -1275,19 +1275,25 @@
1275 1275  [[image:1653356838789-523.png||height="337" width="740"]]
1276 1276  
1277 1277  
1330 +
1278 1278  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1279 1279  
1280 1280  [[image:image-20220524094909-1.png||height="335" width="729"]]
1281 1281  
1335 +
1282 1282  [[image:image-20220524094909-2.png||height="337" width="729"]]
1283 1283  
1338 +
1284 1284  [[image:image-20220524094909-3.png||height="338" width="727"]]
1285 1285  
1341 +
1286 1286  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1287 1287  
1344 +
1288 1288  [[image:image-20220524094909-5.png||height="341" width="734"]]
1289 1289  
1290 1290  
1348 +
1291 1291  == 3.6 Interface Detail ==
1292 1292  
1293 1293  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1297,6 +1297,7 @@
1297 1297  [[image:1653356991268-289.png]]
1298 1298  
1299 1299  
1358 +
1300 1300  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1301 1301  
1302 1302  (((
... ... @@ -1322,7 +1322,7 @@
1322 1322  )))
1323 1323  
1324 1324  (((
1325 -**Example1**: Connect to a Low active sensor.
1384 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1326 1326  )))
1327 1327  
1328 1328  (((
... ... @@ -1353,7 +1353,7 @@
1353 1353  )))
1354 1354  
1355 1355  (((
1356 -**Example2**: Connect to a High active sensor.
1415 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1357 1357  )))
1358 1358  
1359 1359  (((
... ... @@ -1384,7 +1384,7 @@
1384 1384  )))
1385 1385  
1386 1386  (((
1387 -**Example3**: Connect to a 220v high active sensor.
1446 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1388 1388  )))
1389 1389  
1390 1390  (((
... ... @@ -1411,6 +1411,7 @@
1411 1411  )))
1412 1412  
1413 1413  
1473 +
1414 1414  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1415 1415  
1416 1416  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1418,12 +1418,14 @@
1418 1418  [[image:1653357531600-905.png]]
1419 1419  
1420 1420  
1481 +
1421 1421  === 3.6.4 Analog Input Interface ===
1422 1422  
1423 1423  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:
1424 1424  
1425 -**AC2 = (IN2 voltage )/12**
1426 1426  
1487 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1488 +
1427 1427  [[image:1653357592296-182.png]]
1428 1428  
1429 1429  Example to connect a 4~~20mA sensor
... ... @@ -1430,22 +1430,24 @@
1430 1430  
1431 1431  We take the wind speed sensor as an example for reference only.
1432 1432  
1433 -Specifications of the wind speed sensor:
1434 1434  
1435 -Red:12~~24v
1496 +**Specifications of the wind speed sensor:**
1436 1436  
1437 -Yellow:4~~20mA
1498 +Red:  12~~24v
1438 1438  
1439 -Black:GND
1500 +Yellow:  4~~20mA
1440 1440  
1502 +Black:  GND
1441 1441  
1442 -Connection diagram:
1443 1443  
1505 +**Connection diagram:**
1506 +
1444 1444  [[image:1653357640609-758.png]]
1445 1445  
1446 1446  [[image:1653357648330-671.png||height="155" width="733"]]
1447 1447  
1448 1448  
1512 +
1449 1449  === 3.6.5 Relay Output ===
1450 1450  
1451 1451  (((
... ... @@ -1457,6 +1457,7 @@
1457 1457  [[image:image-20220524100215-10.png||height="382" width="723"]]
1458 1458  
1459 1459  
1524 +
1460 1460  == 3.7 LEDs Indicators ==
1461 1461  
1462 1462  [[image:image-20220524100748-11.png]]
... ... @@ -1470,6 +1470,7 @@
1470 1470  
1471 1471  [[image:1653358238933-385.png]]
1472 1472  
1538 +
1473 1473  (((
1474 1474  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:
1475 1475  )))
... ... @@ -1476,6 +1476,7 @@
1476 1476  
1477 1477  [[image:1653358355238-883.png]]
1478 1478  
1545 +
1479 1479  (((
1480 1480  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/]]
1481 1481  )))
... ... @@ -1666,12 +1666,16 @@
1666 1666  
1667 1667  )))
1668 1668  
1736 +
1737 +
1669 1669  == 4.2 Common AT Command Sequence ==
1670 1670  
1671 1671  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1672 1672  
1673 1673  (((
1674 -If device has not joined network yet:
1743 +
1744 +
1745 +**If device has not joined network yet:**
1675 1675  )))
1676 1676  
1677 1677  (((
... ... @@ -1696,7 +1696,7 @@
1696 1696  
1697 1697  
1698 1698  (((
1699 -If device already joined network:
1770 +**If device already joined network:**
1700 1700  )))
1701 1701  
1702 1702  (((
... ... @@ -1709,10 +1709,14 @@
1709 1709  
1710 1710  )))
1711 1711  
1783 +
1784 +
1712 1712  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1713 1713  
1714 1714  (((
1715 -(% 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.
1716 1716  )))
1717 1717  
1718 1718  (((
... ... @@ -1720,7 +1720,7 @@
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1798 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1724 1724  )))
1725 1725  
1726 1726  (((
... ... @@ -1728,39 +1728,41 @@
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1806 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -(% 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
1736 1736  )))
1737 1737  
1738 1738  (((
1739 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1814 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% 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
1744 1744  )))
1745 1745  
1746 1746  (((
1747 -(% 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
1748 1748  )))
1749 1749  
1750 1750  (((
1751 -(% 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)
1752 1752  )))
1753 1753  
1754 1754  (((
1755 -(% 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
1756 1756  )))
1757 1757  
1758 1758  (((
1759 -(% 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.
1760 1760  )))
1761 1761  
1762 1762  (((
1763 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1838 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1839 +
1840 +
1764 1764  )))
1765 1765  
1766 1766  (((
... ... @@ -1782,6 +1782,7 @@
1782 1782  
1783 1783  )))
1784 1784  
1862 +
1785 1785  === 4.2.3 Change to Class A ===
1786 1786  
1787 1787  If sensor JOINED
... ... @@ -1793,19 +1793,25 @@
1793 1793  
1794 1794  == 5.1 How to upgrade the image? ==
1795 1795  
1874 +
1796 1796  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1797 1797  
1798 1798  * Support new features
1799 1799  * For bug fix
1800 1800  * Change LoRaWAN bands.
1880 +
1801 1801  Below shows the hardware connection for how to upload an image to the LT:
1802 -* [[image:1653359603330-121.png]]
1803 1803  
1883 +[[image:1653359603330-121.png]]
1884 +
1885 +
1804 1804  (((
1805 -**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]].
1806 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1807 -**Step3: **Open flashloader; choose the correct COM port to update.
1808 -**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**(%%):
1809 1809  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.
1810 1810  )))
1811 1811  
... ... @@ -1815,6 +1815,7 @@
1815 1815  
1816 1816  [[image:image-20220524104033-15.png]]
1817 1817  
1902 +
1818 1818  (% 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:
1819 1819  
1820 1820  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1822,6 +1822,8 @@
1822 1822  
1823 1823  (((
1824 1824  (((
1910 +
1911 +
1825 1825  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1826 1826  )))
1827 1827  )))
... ... @@ -1828,11 +1828,11 @@
1828 1828  
1829 1829  (((
1830 1830  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1831 -
1832 -
1833 1833  )))
1834 1834  
1835 1835  (((
1921 +
1922 +
1836 1836  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1837 1837  )))
1838 1838  
... ... @@ -1845,6 +1845,8 @@
1845 1845  (((
1846 1846  (((
1847 1847  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1935 +
1936 +
1848 1848  )))
1849 1849  )))
1850 1850  
... ... @@ -1860,23 +1860,25 @@
1860 1860  (% 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.
1861 1861  )))
1862 1862  
1952 +
1863 1863  (((
1864 1864  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1865 1865  )))
1866 1866  
1867 1867  (((
1868 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1869 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1870 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1871 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1872 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1873 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1874 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1875 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1876 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1877 -(% 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
1878 1878  )))
1879 1879  
1970 +
1880 1880  (((
1881 1881  As shown in below:
1882 1882  )))
... ... @@ -1893,11 +1893,11 @@
1893 1893  == 5.5 Can i use point to point communication for LT-22222-L? ==
1894 1894  
1895 1895  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1896 -
1897 -
1898 1898  )))
1899 1899  
1900 1900  (((
1990 +
1991 +
1901 1901  = 6. Trouble Shooting =
1902 1902  )))
1903 1903  
... ... @@ -1909,11 +1909,11 @@
1909 1909  
1910 1910  (((
1911 1911  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1912 -
1913 -
1914 1914  )))
1915 1915  
1916 1916  (((
2006 +
2007 +
1917 1917  == 6.2 Have trouble to upload image. ==
1918 1918  )))
1919 1919  
... ... @@ -1923,9 +1923,7 @@
1923 1923  
1924 1924  (((
1925 1925  
1926 -)))
1927 1927  
1928 -(((
1929 1929  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1930 1930  )))
1931 1931  
... ... @@ -1933,147 +1933,55 @@
1933 1933  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1934 1934  )))
1935 1935  
1936 -(((
1937 -
1938 -)))
1939 1939  
1940 -(((
2026 +
1941 1941  = 7. Order Info =
1942 -)))
1943 1943  
1944 -(((
1945 -(((
2029 +
1946 1946  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1947 -)))
1948 -)))
1949 1949  
1950 -(((
1951 -(((
2032 +
1952 1952  (% style="color:#4f81bd" %)**XXX:**
1953 -)))
1954 -)))
1955 1955  
1956 -(((
1957 -* (((
1958 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1959 -)))
1960 -)))
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
1961 1961  
1962 -(((
1963 -* (((
1964 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1965 -)))
1966 -)))
1967 -
1968 -(((
1969 -* (((
1970 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1971 -)))
1972 -)))
1973 -
1974 -(((
1975 -* (((
1976 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1977 -)))
1978 -)))
1979 -
1980 -(((
1981 -* (((
1982 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1983 -)))
1984 -)))
1985 -
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1989 -)))
1990 -)))
1991 -
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1995 -)))
1996 -)))
1997 -
1998 -(((
1999 -* (((
2000 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2001 -)))
2002 -)))
2003 -
2004 -(((
2005 -* (((
2006 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2007 -
2008 -
2009 -)))
2010 -
2011 2011  = 8. Packing Info =
2012 -)))
2013 2013  
2014 -(((
2015 -(((
2047 +
2016 2016  **Package Includes**:
2017 -)))
2018 -)))
2019 2019  
2020 -(((
2021 -(((
2022 2022  * LT-22222-L I/O Controller x 1
2023 2023  * Stick Antenna for LoRa RF part x 1
2024 2024  * Bracket for controller x1
2025 2025  * Program cable x 1
2026 -)))
2027 -)))
2028 2028  
2029 -(((
2030 -(((
2031 2031  **Dimension and weight**:
2032 -)))
2033 -)))
2034 2034  
2035 -(((
2036 -(((
2037 2037  * Device Size: 13.5 x 7 x 3 cm
2038 2038  * Device Weight: 105g
2039 2039  * Package Size / pcs : 14.5 x 8 x 5 cm
2040 2040  * Weight / pcs : 170g
2041 2041  
2042 -
2043 -)))
2044 -)))
2045 -
2046 -(((
2047 2047  = 9. Support =
2048 -)))
2049 2049  
2050 2050  * (((
2051 -(((
2052 2052  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.
2053 2053  )))
2054 -)))
2055 2055  * (((
2056 -(((
2057 -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]]
2058 2058  )))
2059 -)))
2060 2060  
2061 -(((
2062 -(((
2063 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2064 -
2065 -
2066 -)))
2067 -
2068 -(((
2069 2069  = 10. Reference​​​​​ =
2070 2070  
2071 -* Product Page:
2072 -
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 -
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]]
2075 2075  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2076 2076  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2077 2077  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2078 -)))
2079 -)))

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