Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.15 >
edited by Xiaoling
on 2022/06/10 08:39
To version < 77.78 >
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.
... ... @@ -602,10 +602,10 @@
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  
592 +
593 +
609 609  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
610 610  
611 611  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -615,11 +615,13 @@
615 615  * **AT+MOD=1 ** **~-~->** The normal working mode
616 616  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
617 617  
603 +
618 618  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
619 619  
620 620  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
621 621  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.**
622 622  
609 +
623 623  **AT Command to set Trigger Condition**:
624 624  
625 625  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -671,14 +671,17 @@
671 671  
672 672   Yy4 yy4: AC2 or AV2 high limit.
673 673  
661 +
674 674  **Example1**: AA 00 13 88 00 00 00 00 00 00
675 675  
676 676  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
677 677  
666 +
678 678  **Example2**: AA 02 01 00
679 679  
680 680  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
681 681  
671 +
682 682  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
683 683  
684 684  MOD6 Payload : total 11 bytes payload
... ... @@ -685,6 +685,7 @@
685 685  
686 686  [[image:image-20220524085923-1.png]]
687 687  
678 +
688 688  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
689 689  
690 690  [[image:image-20220524090106-2.png]]
... ... @@ -691,6 +691,7 @@
691 691  
692 692  * Each bits shows if the corresponding trigger has been configured.
693 693  
685 +
694 694  **Example:**
695 695  
696 696  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -702,6 +702,7 @@
702 702  
703 703  * Each bits shows which status has been trigger on this uplink.
704 704  
697 +
705 705  **Example:**
706 706  
707 707  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -713,6 +713,7 @@
713 713  
714 714  * Each bits shows which status has been trigger on this uplink.
715 715  
709 +
716 716  **Example:**
717 717  
718 718  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -729,6 +729,7 @@
729 729  When device got this command, it will send the MOD6 payload.
730 730  
731 731  
726 +
732 732  === 3.3.7 Payload Decoder ===
733 733  
734 734  (((
... ... @@ -737,6 +737,8 @@
737 737  
738 738  )))
739 739  
735 +
736 +
740 740  == 3.4 ​Configure LT via AT or Downlink ==
741 741  
742 742  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -749,11 +749,14 @@
749 749  
750 750  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
751 751  
749 +
750 +
752 752  === 3.4.1 Common Commands ===
753 753  
754 754  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]]
755 755  
756 756  
756 +
757 757  === 3.4.2 Sensor related commands ===
758 758  
759 759  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -769,6 +769,7 @@
769 769  
770 770  **Example: **AT+TDC=30000. Means set interval to 30 seconds
771 771  
772 +
772 772  * Downlink Payload (prefix 0x01):
773 773  
774 774  (% class="box infomessage" %)
... ... @@ -777,6 +777,7 @@
777 777  )))
778 778  
779 779  
781 +
780 780  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
781 781  
782 782  Set work mode.
... ... @@ -790,6 +790,7 @@
790 790  
791 791  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
792 792  
795 +
793 793  * Downlink Payload (prefix 0x0A):
794 794  
795 795  (% class="box infomessage" %)
... ... @@ -798,6 +798,7 @@
798 798  )))
799 799  
800 800  
804 +
801 801  ==== 3.4.2.3 Poll an uplink ====
802 802  
803 803  * AT Command:
... ... @@ -804,6 +804,7 @@
804 804  
805 805  There is no AT Command to poll uplink
806 806  
811 +
807 807  * Downlink Payload (prefix 0x08):
808 808  
809 809  (% class="box infomessage" %)
... ... @@ -814,6 +814,7 @@
814 814  **Example**: 0x08FF, ask device to send an Uplink
815 815  
816 816  
822 +
817 817  ==== 3.4.2.4 Enable Trigger Mode ====
818 818  
819 819  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -829,6 +829,7 @@
829 829  
830 830  0: Disable Trigger Mode
831 831  
838 +
832 832  * Downlink Payload (prefix 0x0A 06):
833 833  
834 834  (% class="box infomessage" %)
... ... @@ -837,6 +837,7 @@
837 837  )))
838 838  
839 839  
847 +
840 840  ==== 3.4.2.5 Poll trigger settings ====
841 841  
842 842  Poll trigger settings,
... ... @@ -845,6 +845,7 @@
845 845  
846 846  There is no AT Command for this feature.
847 847  
856 +
848 848  * Downlink Payload (prefix 0x AB 06):
849 849  
850 850  (% class="box infomessage" %)
... ... @@ -853,6 +853,7 @@
853 853  )))
854 854  
855 855  
865 +
856 856  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
857 857  
858 858  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -864,6 +864,7 @@
864 864  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
865 865  )))
866 866  
877 +
867 867  **Example:**
868 868  
869 869  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -876,6 +876,7 @@
876 876  )))
877 877  
878 878  
890 +
879 879  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
880 880  
881 881  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -891,10 +891,12 @@
891 891  
892 892  b : delay timing.
893 893  
906 +
894 894  **Example:**
895 895  
896 896  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
897 897  
911 +
898 898  * Downlink Payload (prefix 0x09 01 ):
899 899  
900 900  (% class="box infomessage" %)
... ... @@ -903,6 +903,7 @@
903 903  )))
904 904  
905 905  
920 +
906 906  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
907 907  
908 908  Set DI2 trigger.
... ... @@ -918,10 +918,12 @@
918 918  
919 919  b : delay timing.
920 920  
936 +
921 921  **Example:**
922 922  
923 923  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
924 924  
941 +
925 925  * Downlink Payload (prefix 0x09 02 ):
926 926  
927 927  (% class="box infomessage" %)
... ... @@ -930,6 +930,7 @@
930 930  )))
931 931  
932 932  
950 +
933 933  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
934 934  
935 935  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -941,6 +941,7 @@
941 941  **AT+ACLIM. **
942 942  )))
943 943  
962 +
944 944  * Downlink Payload (prefix 0xAA 01 ):
945 945  
946 946  (% class="box infomessage" %)
... ... @@ -949,6 +949,7 @@
949 949  )))
950 950  
951 951  
971 +
952 952  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
953 953  
954 954  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -960,6 +960,7 @@
960 960  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
961 961  )))
962 962  
983 +
963 963  * Downlink Payload (prefix 0xAA 00 ):
964 964  
965 965  (% class="box infomessage" %)
... ... @@ -968,6 +968,7 @@
968 968  )))
969 969  
970 970  
992 +
971 971  ==== 3.4.2.11 Trigger – Set minimum interval ====
972 972  
973 973  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -979,6 +979,7 @@
979 979  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
980 980  )))
981 981  
1004 +
982 982  * Downlink Payload (prefix 0xAC ):
983 983  
984 984  (% class="box infomessage" %)
... ... @@ -987,6 +987,7 @@
987 987  )))
988 988  
989 989  
1013 +
990 990  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
991 991  
992 992  * AT Command:
... ... @@ -993,6 +993,7 @@
993 993  
994 994  There is no AT Command to control Digital Output
995 995  
1020 +
996 996  * Downlink Payload (prefix 0x02):
997 997  
998 998  (% class="box infomessage" %)
... ... @@ -1019,6 +1019,7 @@
1019 1019  )))
1020 1020  
1021 1021  
1047 +
1022 1022  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1023 1023  
1024 1024  * AT Command:
... ... @@ -1025,6 +1025,7 @@
1025 1025  
1026 1026  There is no AT Command to control Digital Output
1027 1027  
1054 +
1028 1028  * Downlink Payload (prefix 0xA9):
1029 1029  
1030 1030  (% class="box infomessage" %)
... ... @@ -1044,18 +1044,22 @@
1044 1044  
1045 1045  00: DO pins will change to an inverter state after timeout 
1046 1046  
1074 +
1047 1047  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1048 1048  
1049 1049  [[image:image-20220524093238-6.png]]
1050 1050  
1079 +
1051 1051  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1052 1052  
1053 1053  [[image:image-20220524093328-7.png]]
1054 1054  
1084 +
1055 1055  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1056 1056  
1057 1057  [[image:image-20220524093351-8.png]]
1058 1058  
1089 +
1059 1059  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1060 1060  
1061 1061   Latching time. Unit: ms
... ... @@ -1062,6 +1062,7 @@
1062 1062  
1063 1063  Device will upload a packet if downlink code executes successfully.
1064 1064  
1096 +
1065 1065  **Example payload:**
1066 1066  
1067 1067  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1081,12 +1081,14 @@
1081 1081  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
1082 1082  
1083 1083  
1084 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1085 1085  
1117 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1118 +
1086 1086  * AT Command:
1087 1087  
1088 1088  There is no AT Command to control Relay Output
1089 1089  
1123 +
1090 1090  * Downlink Payload (prefix 0x03):
1091 1091  
1092 1092  (% class="box infomessage" %)
... ... @@ -1109,6 +1109,7 @@
1109 1109  Device will upload a packet if downlink code executes successfully.
1110 1110  
1111 1111  
1146 +
1112 1112  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1113 1113  
1114 1114  * AT Command:
... ... @@ -1115,6 +1115,7 @@
1115 1115  
1116 1116  There is no AT Command to control Relay Output
1117 1117  
1153 +
1118 1118  * Downlink Payload (prefix 0x05):
1119 1119  
1120 1120  (% class="box infomessage" %)
... ... @@ -1132,14 +1132,17 @@
1132 1132  
1133 1133  00: Relays will change to an inverter state after timeout
1134 1134  
1171 +
1135 1135  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1136 1136  
1137 1137  [[image:image-20220524093831-10.png]]
1138 1138  
1176 +
1139 1139  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1140 1140  
1141 1141  Device will upload a packet if downlink code executes successfully.
1142 1142  
1181 +
1143 1143  **Example payload:**
1144 1144  
1145 1145  **~1. 05 01 11 07 D0**
... ... @@ -1159,6 +1159,7 @@
1159 1159  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1160 1160  
1161 1161  
1201 +
1162 1162  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1163 1163  
1164 1164  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1170,6 +1170,7 @@
1170 1170  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1171 1171  )))
1172 1172  
1213 +
1173 1173  * Downlink Payload (prefix 0xA5):
1174 1174  
1175 1175  (% class="box infomessage" %)
... ... @@ -1178,6 +1178,7 @@
1178 1178  )))
1179 1179  
1180 1180  
1222 +
1181 1181  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1182 1182  
1183 1183  * AT Command:
... ... @@ -1195,6 +1195,7 @@
1195 1195  
1196 1196  Bb cc dd ee: number to be set
1197 1197  
1240 +
1198 1198  * Downlink Payload (prefix 0xA8):
1199 1199  
1200 1200  (% class="box infomessage" %)
... ... @@ -1203,6 +1203,7 @@
1203 1203  )))
1204 1204  
1205 1205  
1249 +
1206 1206  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1207 1207  
1208 1208  Clear counting for counting mode
... ... @@ -1222,6 +1222,7 @@
1222 1222  )))
1223 1223  
1224 1224  
1269 +
1225 1225  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1226 1226  
1227 1227  * AT Command:
... ... @@ -1244,16 +1244,17 @@
1244 1244  
1245 1245  )))
1246 1246  
1292 +
1247 1247  == 3.5 Integrate with Mydevice ==
1248 1248  
1249 1249  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:
1250 1250  
1251 1251  (((
1252 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1298 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1253 1253  )))
1254 1254  
1255 1255  (((
1256 -**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:
1302 +(% 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:
1257 1257  )))
1258 1258  
1259 1259  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1260,12 +1260,13 @@
1260 1260  
1261 1261  [[image:image-20220524094641-11.png||height="390" width="723"]]
1262 1262  
1309 +
1263 1263  [[image:image-20220524094641-12.png||height="402" width="718"]]
1264 1264  
1265 1265  
1266 -**Step 3**: Create an account or log in Mydevices.
1313 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1267 1267  
1268 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1315 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1269 1269  
1270 1270  Search under The things network
1271 1271  
... ... @@ -1272,19 +1272,25 @@
1272 1272  [[image:1653356838789-523.png||height="337" width="740"]]
1273 1273  
1274 1274  
1322 +
1275 1275  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1276 1276  
1277 1277  [[image:image-20220524094909-1.png||height="335" width="729"]]
1278 1278  
1327 +
1279 1279  [[image:image-20220524094909-2.png||height="337" width="729"]]
1280 1280  
1330 +
1281 1281  [[image:image-20220524094909-3.png||height="338" width="727"]]
1282 1282  
1333 +
1283 1283  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1284 1284  
1336 +
1285 1285  [[image:image-20220524094909-5.png||height="341" width="734"]]
1286 1286  
1287 1287  
1340 +
1288 1288  == 3.6 Interface Detail ==
1289 1289  
1290 1290  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1294,6 +1294,7 @@
1294 1294  [[image:1653356991268-289.png]]
1295 1295  
1296 1296  
1350 +
1297 1297  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1298 1298  
1299 1299  (((
... ... @@ -1319,7 +1319,7 @@
1319 1319  )))
1320 1320  
1321 1321  (((
1322 -**Example1**: Connect to a Low active sensor.
1376 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1323 1323  )))
1324 1324  
1325 1325  (((
... ... @@ -1350,7 +1350,7 @@
1350 1350  )))
1351 1351  
1352 1352  (((
1353 -**Example2**: Connect to a High active sensor.
1407 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1354 1354  )))
1355 1355  
1356 1356  (((
... ... @@ -1381,7 +1381,7 @@
1381 1381  )))
1382 1382  
1383 1383  (((
1384 -**Example3**: Connect to a 220v high active sensor.
1438 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1385 1385  )))
1386 1386  
1387 1387  (((
... ... @@ -1408,6 +1408,7 @@
1408 1408  )))
1409 1409  
1410 1410  
1465 +
1411 1411  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1412 1412  
1413 1413  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1415,12 +1415,14 @@
1415 1415  [[image:1653357531600-905.png]]
1416 1416  
1417 1417  
1473 +
1418 1418  === 3.6.4 Analog Input Interface ===
1419 1419  
1420 1420  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:
1421 1421  
1422 -**AC2 = (IN2 voltage )/12**
1423 1423  
1479 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1480 +
1424 1424  [[image:1653357592296-182.png]]
1425 1425  
1426 1426  Example to connect a 4~~20mA sensor
... ... @@ -1427,22 +1427,24 @@
1427 1427  
1428 1428  We take the wind speed sensor as an example for reference only.
1429 1429  
1430 -Specifications of the wind speed sensor:
1431 1431  
1432 -Red:12~~24v
1488 +**Specifications of the wind speed sensor:**
1433 1433  
1434 -Yellow:4~~20mA
1490 +Red:  12~~24v
1435 1435  
1436 -Black:GND
1492 +Yellow:  4~~20mA
1437 1437  
1494 +Black:  GND
1438 1438  
1439 -Connection diagram:
1440 1440  
1497 +**Connection diagram:**
1498 +
1441 1441  [[image:1653357640609-758.png]]
1442 1442  
1443 1443  [[image:1653357648330-671.png||height="155" width="733"]]
1444 1444  
1445 1445  
1504 +
1446 1446  === 3.6.5 Relay Output ===
1447 1447  
1448 1448  (((
... ... @@ -1454,6 +1454,7 @@
1454 1454  [[image:image-20220524100215-10.png||height="382" width="723"]]
1455 1455  
1456 1456  
1516 +
1457 1457  == 3.7 LEDs Indicators ==
1458 1458  
1459 1459  [[image:image-20220524100748-11.png]]
... ... @@ -1467,6 +1467,7 @@
1467 1467  
1468 1468  [[image:1653358238933-385.png]]
1469 1469  
1530 +
1470 1470  (((
1471 1471  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:
1472 1472  )))
... ... @@ -1473,6 +1473,7 @@
1473 1473  
1474 1474  [[image:1653358355238-883.png]]
1475 1475  
1537 +
1476 1476  (((
1477 1477  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/]]
1478 1478  )))
... ... @@ -1663,12 +1663,16 @@
1663 1663  
1664 1664  )))
1665 1665  
1728 +
1729 +
1666 1666  == 4.2 Common AT Command Sequence ==
1667 1667  
1668 1668  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1669 1669  
1670 1670  (((
1671 -If device has not joined network yet:
1735 +
1736 +
1737 +**If device has not joined network yet:**
1672 1672  )))
1673 1673  
1674 1674  (((
... ... @@ -1693,7 +1693,7 @@
1693 1693  
1694 1694  
1695 1695  (((
1696 -If device already joined network:
1762 +**If device already joined network:**
1697 1697  )))
1698 1698  
1699 1699  (((
... ... @@ -1706,10 +1706,14 @@
1706 1706  
1707 1707  )))
1708 1708  
1775 +
1776 +
1709 1709  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1710 1710  
1711 1711  (((
1712 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1780 +
1781 +
1782 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1713 1713  )))
1714 1714  
1715 1715  (((
... ... @@ -1717,7 +1717,7 @@
1717 1717  )))
1718 1718  
1719 1719  (((
1720 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1790 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1721 1721  )))
1722 1722  
1723 1723  (((
... ... @@ -1725,39 +1725,41 @@
1725 1725  )))
1726 1726  
1727 1727  (((
1728 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1798 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1729 1729  )))
1730 1730  
1731 1731  (((
1732 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1802 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1733 1733  )))
1734 1734  
1735 1735  (((
1736 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1806 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1737 1737  )))
1738 1738  
1739 1739  (((
1740 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1810 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1741 1741  )))
1742 1742  
1743 1743  (((
1744 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1814 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1745 1745  )))
1746 1746  
1747 1747  (((
1748 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1818 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1749 1749  )))
1750 1750  
1751 1751  (((
1752 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1822 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1753 1753  )))
1754 1754  
1755 1755  (((
1756 -(% 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.
1826 +(% 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.
1757 1757  )))
1758 1758  
1759 1759  (((
1760 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1830 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1831 +
1832 +
1761 1761  )))
1762 1762  
1763 1763  (((
... ... @@ -1779,6 +1779,7 @@
1779 1779  
1780 1780  )))
1781 1781  
1854 +
1782 1782  === 4.2.3 Change to Class A ===
1783 1783  
1784 1784  If sensor JOINED
... ... @@ -1790,19 +1790,25 @@
1790 1790  
1791 1791  == 5.1 How to upgrade the image? ==
1792 1792  
1866 +
1793 1793  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1794 1794  
1795 1795  * Support new features
1796 1796  * For bug fix
1797 1797  * Change LoRaWAN bands.
1872 +
1798 1798  Below shows the hardware connection for how to upload an image to the LT:
1799 -* [[image:1653359603330-121.png]]
1800 1800  
1875 +[[image:1653359603330-121.png]]
1876 +
1877 +
1801 1801  (((
1802 -**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]].
1803 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1804 -**Step3: **Open flashloader; choose the correct COM port to update.
1805 -**For LT-22222-L**:
1879 +(% 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]].
1880 +(% 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/]].
1881 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1882 +
1883 +
1884 +(% style="color:blue" %)**For LT-22222-L**(%%):
1806 1806  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.
1807 1807  )))
1808 1808  
... ... @@ -1812,6 +1812,7 @@
1812 1812  
1813 1813  [[image:image-20220524104033-15.png]]
1814 1814  
1894 +
1815 1815  (% 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:
1816 1816  
1817 1817  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1819,6 +1819,8 @@
1819 1819  
1820 1820  (((
1821 1821  (((
1902 +
1903 +
1822 1822  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1823 1823  )))
1824 1824  )))
... ... @@ -1825,11 +1825,11 @@
1825 1825  
1826 1826  (((
1827 1827  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1828 -
1829 -
1830 1830  )))
1831 1831  
1832 1832  (((
1913 +
1914 +
1833 1833  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1834 1834  )))
1835 1835  
... ... @@ -1842,6 +1842,8 @@
1842 1842  (((
1843 1843  (((
1844 1844  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1927 +
1928 +
1845 1845  )))
1846 1846  )))
1847 1847  
... ... @@ -1857,23 +1857,25 @@
1857 1857  (% 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.
1858 1858  )))
1859 1859  
1944 +
1860 1860  (((
1861 1861  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1862 1862  )))
1863 1863  
1864 1864  (((
1865 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1866 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1867 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1868 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1869 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1870 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1871 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1872 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1873 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1874 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1950 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1951 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1952 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1953 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1954 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1955 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1956 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1957 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1958 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1959 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1875 1875  )))
1876 1876  
1962 +
1877 1877  (((
1878 1878  As shown in below:
1879 1879  )))
... ... @@ -1890,11 +1890,11 @@
1890 1890  == 5.5 Can i use point to point communication for LT-22222-L? ==
1891 1891  
1892 1892  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1893 -
1894 -
1895 1895  )))
1896 1896  
1897 1897  (((
1982 +
1983 +
1898 1898  = 6. Trouble Shooting =
1899 1899  )))
1900 1900  
... ... @@ -1906,11 +1906,11 @@
1906 1906  
1907 1907  (((
1908 1908  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1909 -
1910 -
1911 1911  )))
1912 1912  
1913 1913  (((
1998 +
1999 +
1914 1914  == 6.2 Have trouble to upload image. ==
1915 1915  )))
1916 1916  
... ... @@ -1920,9 +1920,7 @@
1920 1920  
1921 1921  (((
1922 1922  
1923 -)))
1924 1924  
1925 -(((
1926 1926  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1927 1927  )))
1928 1928  
... ... @@ -1930,147 +1930,55 @@
1930 1930  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1931 1931  )))
1932 1932  
1933 -(((
1934 -
1935 -)))
1936 1936  
1937 -(((
2018 +
1938 1938  = 7. Order Info =
1939 -)))
1940 1940  
1941 -(((
1942 -(((
2021 +
1943 1943  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1944 -)))
1945 -)))
1946 1946  
1947 -(((
1948 -(((
2024 +
1949 1949  (% style="color:#4f81bd" %)**XXX:**
1950 -)))
1951 -)))
1952 1952  
1953 -(((
1954 -* (((
1955 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1956 -)))
1957 -)))
2027 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2028 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2029 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2030 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2031 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2032 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2033 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2034 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2035 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1958 1958  
1959 -(((
1960 -* (((
1961 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1962 -)))
1963 -)))
1964 -
1965 -(((
1966 -* (((
1967 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1968 -)))
1969 -)))
1970 -
1971 -(((
1972 -* (((
1973 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1974 -)))
1975 -)))
1976 -
1977 -(((
1978 -* (((
1979 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1980 -)))
1981 -)))
1982 -
1983 -(((
1984 -* (((
1985 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1986 -)))
1987 -)))
1988 -
1989 -(((
1990 -* (((
1991 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1992 -)))
1993 -)))
1994 -
1995 -(((
1996 -* (((
1997 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1998 -)))
1999 -)))
2000 -
2001 -(((
2002 -* (((
2003 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2004 -
2005 -
2006 -)))
2007 -
2008 2008  = 8. Packing Info =
2009 -)))
2010 2010  
2011 -(((
2012 -(((
2039 +
2013 2013  **Package Includes**:
2014 -)))
2015 -)))
2016 2016  
2017 -(((
2018 -(((
2019 2019  * LT-22222-L I/O Controller x 1
2020 2020  * Stick Antenna for LoRa RF part x 1
2021 2021  * Bracket for controller x1
2022 2022  * Program cable x 1
2023 -)))
2024 -)))
2025 2025  
2026 -(((
2027 -(((
2028 2028  **Dimension and weight**:
2029 -)))
2030 -)))
2031 2031  
2032 -(((
2033 -(((
2034 2034  * Device Size: 13.5 x 7 x 3 cm
2035 2035  * Device Weight: 105g
2036 2036  * Package Size / pcs : 14.5 x 8 x 5 cm
2037 2037  * Weight / pcs : 170g
2038 2038  
2039 -
2040 -)))
2041 -)))
2042 -
2043 -(((
2044 2044  = 9. Support =
2045 -)))
2046 2046  
2047 2047  * (((
2048 -(((
2049 2049  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.
2050 2050  )))
2051 -)))
2052 2052  * (((
2053 -(((
2054 -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
2060 +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]]
2055 2055  )))
2056 -)))
2057 2057  
2058 -(((
2059 -(((
2060 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2061 -
2062 -
2063 -)))
2064 -
2065 -(((
2066 2066  = 10. Reference​​​​​ =
2067 2067  
2068 -* Product Page:
2069 -
2070 -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 -
2065 +* 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]]
2072 2072  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2073 2073  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2074 2074  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2075 -)))
2076 -)))

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