Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.67 >
edited by Xiaoling
on 2022/06/10 09:20
To version < 75.16 >
edited by Xiaoling
on 2022/06/01 17:41
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,9 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
... ... @@ -51,8 +51,6 @@
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
54 -
55 -
56 56  **Hardware System:**
57 57  )))
58 58  
... ... @@ -172,6 +172,8 @@
172 172  * Firmware upgradable via program port
173 173  * Counting
174 174  
170 +
171 +
175 175  == 1.4  Applications ==
176 176  
177 177  * Smart Buildings & Home Automation
... ... @@ -181,6 +181,8 @@
181 181  * Smart Cities
182 182  * Smart Factory
183 183  
181 +
182 +
184 184  == 1.5 Hardware Variants ==
185 185  
186 186  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -194,6 +194,8 @@
194 194  * 1 x Counting Port
195 195  )))
196 196  
196 +
197 +
197 197  = 2. Power ON Device =
198 198  
199 199  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.
... ... @@ -205,7 +205,6 @@
205 205  [[image:1653297104069-180.png]]
206 206  
207 207  
208 -
209 209  = 3. Operation Mode =
210 210  
211 211  == 3.1 How it works? ==
... ... @@ -220,8 +220,6 @@
220 220  
221 221  )))
222 222  
223 -
224 -
225 225  == 3.2 Example to join LoRaWAN network ==
226 226  
227 227  (((
... ... @@ -263,7 +263,6 @@
263 263  [[image:1653298044601-602.png||height="405" width="709"]]
264 264  
265 265  
266 -
267 267  == 3.3 Uplink Payload ==
268 268  
269 269  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -275,6 +275,8 @@
275 275  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
276 276  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
277 277  
275 +
276 +
278 278  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
279 279  
280 280  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -325,6 +325,8 @@
325 325  ** DO1 is high in case there is load between DO1 and V+.
326 326  ** DO1 LED is off in both case
327 327  
327 +
328 +
328 328  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
329 329  
330 330  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -418,7 +418,6 @@
418 418  )))
419 419  
420 420  
421 -
422 422  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
423 423  
424 424  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -463,8 +463,6 @@
463 463  
464 464  )))
465 465  
466 -
467 -
468 468  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
469 469  
470 470  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -546,7 +546,6 @@
546 546  )))
547 547  
548 548  
549 -
550 550  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
551 551  
552 552  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -591,8 +591,6 @@
591 591  
592 592  )))
593 593  
594 -
595 -
596 596  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
597 597  
598 598  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -716,7 +716,6 @@
716 716  When device got this command, it will send the MOD6 payload.
717 717  
718 718  
719 -
720 720  === 3.3.7 Payload Decoder ===
721 721  
722 722  (((
... ... @@ -725,8 +725,6 @@
725 725  
726 726  )))
727 727  
728 -
729 -
730 730  == 3.4 ​Configure LT via AT or Downlink ==
731 731  
732 732  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -738,7 +738,6 @@
738 738  * (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
739 739  
740 740  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
741 -*
742 742  
743 743  === 3.4.1 Common Commands ===
744 744  
... ... @@ -745,7 +745,6 @@
745 745  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]]
746 746  
747 747  
748 -
749 749  === 3.4.2 Sensor related commands ===
750 750  
751 751  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -761,7 +761,6 @@
761 761  
762 762  **Example: **AT+TDC=30000. Means set interval to 30 seconds
763 763  
764 -
765 765  * Downlink Payload (prefix 0x01):
766 766  
767 767  (% class="box infomessage" %)
... ... @@ -770,7 +770,6 @@
770 770  )))
771 771  
772 772  
773 -
774 774  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
775 775  
776 776  Set work mode.
... ... @@ -784,7 +784,6 @@
784 784  
785 785  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
786 786  
787 -
788 788  * Downlink Payload (prefix 0x0A):
789 789  
790 790  (% class="box infomessage" %)
... ... @@ -793,7 +793,6 @@
793 793  )))
794 794  
795 795  
796 -
797 797  ==== 3.4.2.3 Poll an uplink ====
798 798  
799 799  * AT Command:
... ... @@ -800,7 +800,6 @@
800 800  
801 801  There is no AT Command to poll uplink
802 802  
803 -
804 804  * Downlink Payload (prefix 0x08):
805 805  
806 806  (% class="box infomessage" %)
... ... @@ -811,7 +811,6 @@
811 811  **Example**: 0x08FF, ask device to send an Uplink
812 812  
813 813  
814 -
815 815  ==== 3.4.2.4 Enable Trigger Mode ====
816 816  
817 817  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -827,7 +827,6 @@
827 827  
828 828  0: Disable Trigger Mode
829 829  
830 -
831 831  * Downlink Payload (prefix 0x0A 06):
832 832  
833 833  (% class="box infomessage" %)
... ... @@ -836,7 +836,6 @@
836 836  )))
837 837  
838 838  
839 -
840 840  ==== 3.4.2.5 Poll trigger settings ====
841 841  
842 842  Poll trigger settings,
... ... @@ -845,7 +845,6 @@
845 845  
846 846  There is no AT Command for this feature.
847 847  
848 -
849 849  * Downlink Payload (prefix 0x AB 06):
850 850  
851 851  (% class="box infomessage" %)
... ... @@ -854,7 +854,6 @@
854 854  )))
855 855  
856 856  
857 -
858 858  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
859 859  
860 860  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -866,7 +866,6 @@
866 866  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
867 867  )))
868 868  
869 -
870 870  **Example:**
871 871  
872 872  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -879,7 +879,6 @@
879 879  )))
880 880  
881 881  
882 -
883 883  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
884 884  
885 885  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -895,12 +895,10 @@
895 895  
896 896  b : delay timing.
897 897  
898 -
899 899  **Example:**
900 900  
901 901  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
902 902  
903 -
904 904  * Downlink Payload (prefix 0x09 01 ):
905 905  
906 906  (% class="box infomessage" %)
... ... @@ -909,7 +909,6 @@
909 909  )))
910 910  
911 911  
912 -
913 913  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
914 914  
915 915  Set DI2 trigger.
... ... @@ -925,12 +925,10 @@
925 925  
926 926  b : delay timing.
927 927  
928 -
929 929  **Example:**
930 930  
931 931  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
932 932  
933 -
934 934  * Downlink Payload (prefix 0x09 02 ):
935 935  
936 936  (% class="box infomessage" %)
... ... @@ -939,7 +939,6 @@
939 939  )))
940 940  
941 941  
942 -
943 943  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
944 944  
945 945  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -951,7 +951,6 @@
951 951  **AT+ACLIM. **
952 952  )))
953 953  
954 -
955 955  * Downlink Payload (prefix 0xAA 01 ):
956 956  
957 957  (% class="box infomessage" %)
... ... @@ -960,7 +960,6 @@
960 960  )))
961 961  
962 962  
963 -
964 964  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
965 965  
966 966  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -972,7 +972,6 @@
972 972  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
973 973  )))
974 974  
975 -
976 976  * Downlink Payload (prefix 0xAA 00 ):
977 977  
978 978  (% class="box infomessage" %)
... ... @@ -981,7 +981,6 @@
981 981  )))
982 982  
983 983  
984 -
985 985  ==== 3.4.2.11 Trigger – Set minimum interval ====
986 986  
987 987  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -993,7 +993,6 @@
993 993  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
994 994  )))
995 995  
996 -
997 997  * Downlink Payload (prefix 0xAC ):
998 998  
999 999  (% class="box infomessage" %)
... ... @@ -1002,7 +1002,6 @@
1002 1002  )))
1003 1003  
1004 1004  
1005 -
1006 1006  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1007 1007  
1008 1008  * AT Command:
... ... @@ -1009,7 +1009,6 @@
1009 1009  
1010 1010  There is no AT Command to control Digital Output
1011 1011  
1012 -
1013 1013  * Downlink Payload (prefix 0x02):
1014 1014  
1015 1015  (% class="box infomessage" %)
... ... @@ -1036,7 +1036,6 @@
1036 1036  )))
1037 1037  
1038 1038  
1039 -
1040 1040  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1041 1041  
1042 1042  * AT Command:
... ... @@ -1043,7 +1043,6 @@
1043 1043  
1044 1044  There is no AT Command to control Digital Output
1045 1045  
1046 -
1047 1047  * Downlink Payload (prefix 0xA9):
1048 1048  
1049 1049  (% class="box infomessage" %)
... ... @@ -1063,22 +1063,18 @@
1063 1063  
1064 1064  00: DO pins will change to an inverter state after timeout 
1065 1065  
1066 -
1067 1067  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1068 1068  
1069 1069  [[image:image-20220524093238-6.png]]
1070 1070  
1071 -
1072 1072  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1073 1073  
1074 1074  [[image:image-20220524093328-7.png]]
1075 1075  
1076 -
1077 1077  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1078 1078  
1079 1079  [[image:image-20220524093351-8.png]]
1080 1080  
1081 -
1082 1082  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1083 1083  
1084 1084   Latching time. Unit: ms
... ... @@ -1085,7 +1085,6 @@
1085 1085  
1086 1086  Device will upload a packet if downlink code executes successfully.
1087 1087  
1088 -
1089 1089  **Example payload:**
1090 1090  
1091 1091  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1105,7 +1105,6 @@
1105 1105  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
1106 1106  
1107 1107  
1108 -
1109 1109  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1110 1110  
1111 1111  * AT Command:
... ... @@ -1112,7 +1112,6 @@
1112 1112  
1113 1113  There is no AT Command to control Relay Output
1114 1114  
1115 -
1116 1116  * Downlink Payload (prefix 0x03):
1117 1117  
1118 1118  (% class="box infomessage" %)
... ... @@ -1135,7 +1135,6 @@
1135 1135  Device will upload a packet if downlink code executes successfully.
1136 1136  
1137 1137  
1138 -
1139 1139  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1140 1140  
1141 1141  * AT Command:
... ... @@ -1142,7 +1142,6 @@
1142 1142  
1143 1143  There is no AT Command to control Relay Output
1144 1144  
1145 -
1146 1146  * Downlink Payload (prefix 0x05):
1147 1147  
1148 1148  (% class="box infomessage" %)
... ... @@ -1160,17 +1160,14 @@
1160 1160  
1161 1161  00: Relays will change to an inverter state after timeout
1162 1162  
1163 -
1164 1164  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1165 1165  
1166 1166  [[image:image-20220524093831-10.png]]
1167 1167  
1168 -
1169 1169  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1170 1170  
1171 1171  Device will upload a packet if downlink code executes successfully.
1172 1172  
1173 -
1174 1174  **Example payload:**
1175 1175  
1176 1176  **~1. 05 01 11 07 D0**
... ... @@ -1190,7 +1190,6 @@
1190 1190  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1191 1191  
1192 1192  
1193 -
1194 1194  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1195 1195  
1196 1196  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1202,7 +1202,6 @@
1202 1202  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1203 1203  )))
1204 1204  
1205 -
1206 1206  * Downlink Payload (prefix 0xA5):
1207 1207  
1208 1208  (% class="box infomessage" %)
... ... @@ -1211,7 +1211,6 @@
1211 1211  )))
1212 1212  
1213 1213  
1214 -
1215 1215  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1216 1216  
1217 1217  * AT Command:
... ... @@ -1229,7 +1229,6 @@
1229 1229  
1230 1230  Bb cc dd ee: number to be set
1231 1231  
1232 -
1233 1233  * Downlink Payload (prefix 0xA8):
1234 1234  
1235 1235  (% class="box infomessage" %)
... ... @@ -1238,7 +1238,6 @@
1238 1238  )))
1239 1239  
1240 1240  
1241 -
1242 1242  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1243 1243  
1244 1244  Clear counting for counting mode
... ... @@ -1258,7 +1258,6 @@
1258 1258  )))
1259 1259  
1260 1260  
1261 -
1262 1262  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1263 1263  
1264 1264  * AT Command:
... ... @@ -1281,17 +1281,16 @@
1281 1281  
1282 1282  )))
1283 1283  
1284 -
1285 1285  == 3.5 Integrate with Mydevice ==
1286 1286  
1287 1287  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:
1288 1288  
1289 1289  (((
1290 -(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1234 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1291 1291  )))
1292 1292  
1293 1293  (((
1294 -(% 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:
1238 +**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:
1295 1295  )))
1296 1296  
1297 1297  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1298,38 +1298,30 @@
1298 1298  
1299 1299  [[image:image-20220524094641-11.png||height="390" width="723"]]
1300 1300  
1301 -
1302 1302  [[image:image-20220524094641-12.png||height="402" width="718"]]
1303 1303  
1247 +**Step 3**: Create an account or log in Mydevices.
1304 1304  
1305 -(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1249 +**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1306 1306  
1307 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1308 -
1309 1309  Search under The things network
1310 1310  
1311 1311  [[image:1653356838789-523.png||height="337" width="740"]]
1312 1312  
1313 1313  
1314 -
1315 1315  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1316 1316  
1317 1317  [[image:image-20220524094909-1.png||height="335" width="729"]]
1318 1318  
1319 -
1320 1320  [[image:image-20220524094909-2.png||height="337" width="729"]]
1321 1321  
1322 -
1323 1323  [[image:image-20220524094909-3.png||height="338" width="727"]]
1324 1324  
1325 -
1326 1326  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1327 1327  
1328 -
1329 1329  [[image:image-20220524094909-5.png||height="341" width="734"]]
1330 1330  
1331 1331  
1332 -
1333 1333  == 3.6 Interface Detail ==
1334 1334  
1335 1335  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1339,7 +1339,6 @@
1339 1339  [[image:1653356991268-289.png]]
1340 1340  
1341 1341  
1342 -
1343 1343  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1344 1344  
1345 1345  (((
... ... @@ -1365,7 +1365,7 @@
1365 1365  )))
1366 1366  
1367 1367  (((
1368 -(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1303 +**Example1**: Connect to a Low active sensor.
1369 1369  )))
1370 1370  
1371 1371  (((
... ... @@ -1396,7 +1396,7 @@
1396 1396  )))
1397 1397  
1398 1398  (((
1399 -(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1334 +**Example2**: Connect to a High active sensor.
1400 1400  )))
1401 1401  
1402 1402  (((
... ... @@ -1427,7 +1427,7 @@
1427 1427  )))
1428 1428  
1429 1429  (((
1430 -(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1365 +**Example3**: Connect to a 220v high active sensor.
1431 1431  )))
1432 1432  
1433 1433  (((
... ... @@ -1454,7 +1454,6 @@
1454 1454  )))
1455 1455  
1456 1456  
1457 -
1458 1458  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1459 1459  
1460 1460  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1462,14 +1462,12 @@
1462 1462  [[image:1653357531600-905.png]]
1463 1463  
1464 1464  
1465 -
1466 1466  === 3.6.4 Analog Input Interface ===
1467 1467  
1468 1468  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:
1469 1469  
1403 +**AC2 = (IN2 voltage )/12**
1470 1470  
1471 -(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1472 -
1473 1473  [[image:1653357592296-182.png]]
1474 1474  
1475 1475  Example to connect a 4~~20mA sensor
... ... @@ -1476,24 +1476,22 @@
1476 1476  
1477 1477  We take the wind speed sensor as an example for reference only.
1478 1478  
1411 +Specifications of the wind speed sensor:
1479 1479  
1480 -**Specifications of the wind speed sensor:**
1413 +Red:12~~24v
1481 1481  
1482 -Red:  12~~24v
1415 +Yellow:4~~20mA
1483 1483  
1484 -Yellow:  4~~20mA
1417 +Black:GND
1485 1485  
1486 -Black:  GND
1487 1487  
1420 +Connection diagram:
1488 1488  
1489 -**Connection diagram:**
1490 -
1491 1491  [[image:1653357640609-758.png]]
1492 1492  
1493 1493  [[image:1653357648330-671.png||height="155" width="733"]]
1494 1494  
1495 1495  
1496 -
1497 1497  === 3.6.5 Relay Output ===
1498 1498  
1499 1499  (((
... ... @@ -1505,7 +1505,6 @@
1505 1505  [[image:image-20220524100215-10.png||height="382" width="723"]]
1506 1506  
1507 1507  
1508 -
1509 1509  == 3.7 LEDs Indicators ==
1510 1510  
1511 1511  [[image:image-20220524100748-11.png]]
... ... @@ -1519,7 +1519,6 @@
1519 1519  
1520 1520  [[image:1653358238933-385.png]]
1521 1521  
1522 -
1523 1523  (((
1524 1524  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:
1525 1525  )))
... ... @@ -1526,7 +1526,6 @@
1526 1526  
1527 1527  [[image:1653358355238-883.png]]
1528 1528  
1529 -
1530 1530  (((
1531 1531  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/]]
1532 1532  )))
... ... @@ -1717,16 +1717,12 @@
1717 1717  
1718 1718  )))
1719 1719  
1720 -
1721 -
1722 1722  == 4.2 Common AT Command Sequence ==
1723 1723  
1724 1724  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1725 1725  
1726 1726  (((
1727 -
1728 -
1729 -**If device has not joined network yet:**
1652 +If device has not joined network yet:
1730 1730  )))
1731 1731  
1732 1732  (((
... ... @@ -1751,7 +1751,7 @@
1751 1751  
1752 1752  
1753 1753  (((
1754 -**If device already joined network:**
1677 +If device already joined network:
1755 1755  )))
1756 1756  
1757 1757  (((
... ... @@ -1764,14 +1764,10 @@
1764 1764  
1765 1765  )))
1766 1766  
1767 -
1768 -
1769 1769  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1770 1770  
1771 1771  (((
1772 -
1773 -
1774 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1693 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1775 1775  )))
1776 1776  
1777 1777  (((
... ... @@ -1779,7 +1779,7 @@
1779 1779  )))
1780 1780  
1781 1781  (((
1782 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1701 +(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1783 1783  )))
1784 1784  
1785 1785  (((
... ... @@ -1787,41 +1787,39 @@
1787 1787  )))
1788 1788  
1789 1789  (((
1790 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1709 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1791 1791  )))
1792 1792  
1793 1793  (((
1794 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1713 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1795 1795  )))
1796 1796  
1797 1797  (((
1798 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1717 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1799 1799  )))
1800 1800  
1801 1801  (((
1802 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1721 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1803 1803  )))
1804 1804  
1805 1805  (((
1806 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1725 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1807 1807  )))
1808 1808  
1809 1809  (((
1810 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1729 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1811 1811  )))
1812 1812  
1813 1813  (((
1814 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1733 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1815 1815  )))
1816 1816  
1817 1817  (((
1818 -(% 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.
1737 +(% 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.
1819 1819  )))
1820 1820  
1821 1821  (((
1822 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1823 -
1824 -
1741 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1825 1825  )))
1826 1826  
1827 1827  (((
... ... @@ -1843,7 +1843,6 @@
1843 1843  
1844 1844  )))
1845 1845  
1846 -
1847 1847  === 4.2.3 Change to Class A ===
1848 1848  
1849 1849  If sensor JOINED
... ... @@ -1855,25 +1855,19 @@
1855 1855  
1856 1856  == 5.1 How to upgrade the image? ==
1857 1857  
1858 -
1859 1859  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1860 1860  
1861 1861  * Support new features
1862 1862  * For bug fix
1863 1863  * Change LoRaWAN bands.
1864 -
1865 1865  Below shows the hardware connection for how to upload an image to the LT:
1780 +* [[image:1653359603330-121.png]]
1866 1866  
1867 -[[image:1653359603330-121.png]]
1868 -
1869 -
1870 1870  (((
1871 -(% 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]].
1872 -(% 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/]].
1873 -(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1874 -
1875 -
1876 -(% style="color:blue" %)**For LT-22222-L**(%%):
1783 +**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]].
1784 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1785 +**Step3: **Open flashloader; choose the correct COM port to update.
1786 +**For LT-22222-L**:
1877 1877  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.
1878 1878  )))
1879 1879  
... ... @@ -1883,7 +1883,6 @@
1883 1883  
1884 1884  [[image:image-20220524104033-15.png]]
1885 1885  
1886 -
1887 1887  (% 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:
1888 1888  
1889 1889  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1891,8 +1891,6 @@
1891 1891  
1892 1892  (((
1893 1893  (((
1894 -
1895 -
1896 1896  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1897 1897  )))
1898 1898  )))
... ... @@ -1899,11 +1899,11 @@
1899 1899  
1900 1900  (((
1901 1901  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1902 -)))
1903 1903  
1904 -(((
1905 1905  
1811 +)))
1906 1906  
1813 +(((
1907 1907  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1908 1908  )))
1909 1909  
... ... @@ -1916,8 +1916,6 @@
1916 1916  (((
1917 1917  (((
1918 1918  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1919 -
1920 -
1921 1921  )))
1922 1922  )))
1923 1923  
... ... @@ -1933,25 +1933,23 @@
1933 1933  (% 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.
1934 1934  )))
1935 1935  
1936 -
1937 1937  (((
1938 1938  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1939 1939  )))
1940 1940  
1941 1941  (((
1942 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1943 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1944 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1945 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1946 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1947 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1948 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1949 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1950 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1951 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1846 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1847 +(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1848 +(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1849 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1850 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1851 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1852 +(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1853 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1854 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1855 +(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1952 1952  )))
1953 1953  
1954 -
1955 1955  (((
1956 1956  As shown in below:
1957 1957  )))
... ... @@ -1964,15 +1964,10 @@
1964 1964  (((
1965 1965  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1966 1966  
1967 -
1968 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1969 -
1970 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1870 +
1971 1971  )))
1972 1972  
1973 1973  (((
1974 -
1975 -
1976 1976  = 6. Trouble Shooting =
1977 1977  )))
1978 1978  
... ... @@ -1984,11 +1984,11 @@
1984 1984  
1985 1985  (((
1986 1986  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1987 -)))
1988 1988  
1989 -(((
1990 1990  
1887 +)))
1991 1991  
1889 +(((
1992 1992  == 6.2 Have trouble to upload image. ==
1993 1993  )))
1994 1994  
... ... @@ -1998,7 +1998,9 @@
1998 1998  
1999 1999  (((
2000 2000  
1899 +)))
2001 2001  
1901 +(((
2002 2002  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2003 2003  )))
2004 2004  
... ... @@ -2006,55 +2006,147 @@
2006 2006  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
2007 2007  )))
2008 2008  
1909 +(((
1910 +
1911 +)))
2009 2009  
2010 -
1913 +(((
2011 2011  = 7. Order Info =
1915 +)))
2012 2012  
2013 -
1917 +(((
1918 +(((
2014 2014  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1920 +)))
1921 +)))
2015 2015  
2016 -
1923 +(((
1924 +(((
2017 2017  (% style="color:#4f81bd" %)**XXX:**
1926 +)))
1927 +)))
2018 2018  
2019 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2020 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2021 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2022 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2023 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2024 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2025 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2026 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2027 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1929 +(((
1930 +* (((
1931 +(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1932 +)))
1933 +)))
2028 2028  
2029 -= 8. Packing Info =
1935 +(((
1936 +* (((
1937 +(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1938 +)))
1939 +)))
2030 2030  
1941 +(((
1942 +* (((
1943 +(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1944 +)))
1945 +)))
2031 2031  
1947 +(((
1948 +* (((
1949 +(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1950 +)))
1951 +)))
1952 +
1953 +(((
1954 +* (((
1955 +(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1956 +)))
1957 +)))
1958 +
1959 +(((
1960 +* (((
1961 +(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1962 +)))
1963 +)))
1964 +
1965 +(((
1966 +* (((
1967 +(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1968 +)))
1969 +)))
1970 +
1971 +(((
1972 +* (((
1973 +(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1974 +)))
1975 +)))
1976 +
1977 +(((
1978 +* (((
1979 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1980 +
1981 +
1982 +)))
1983 +
1984 += 8. Packing Info =
1985 +)))
1986 +
1987 +(((
1988 +(((
2032 2032  **Package Includes**:
1990 +)))
1991 +)))
2033 2033  
1993 +(((
1994 +(((
2034 2034  * LT-22222-L I/O Controller x 1
2035 2035  * Stick Antenna for LoRa RF part x 1
2036 2036  * Bracket for controller x1
2037 2037  * Program cable x 1
1999 +)))
2000 +)))
2038 2038  
2002 +(((
2003 +(((
2039 2039  **Dimension and weight**:
2005 +)))
2006 +)))
2040 2040  
2008 +(((
2009 +(((
2041 2041  * Device Size: 13.5 x 7 x 3 cm
2042 2042  * Device Weight: 105g
2043 2043  * Package Size / pcs : 14.5 x 8 x 5 cm
2044 2044  * Weight / pcs : 170g
2045 2045  
2015 +
2016 +)))
2017 +)))
2018 +
2019 +(((
2046 2046  = 9. Support =
2021 +)))
2047 2047  
2048 2048  * (((
2024 +(((
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  )))
2027 +)))
2051 2051  * (((
2052 -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]]
2029 +(((
2030 +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
2053 2053  )))
2032 +)))
2054 2054  
2034 +(((
2035 +(((
2036 + [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2037 +
2038 +
2039 +)))
2040 +
2041 +(((
2055 2055  = 10. Reference​​​​​ =
2056 2056  
2057 -* LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2044 +* Product Page:
2045 +
2046 +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]]
2047 +
2058 2058  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2059 2059  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2060 2060  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2051 +)))
2052 +)))

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