Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.24 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.72 >
edited by Xiaoling
on 2022/06/10 09:23
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,8 +338,6 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -681,6 +681,7 @@
681 681  
682 682  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
683 683  
669 +
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  
676 +
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  
683 +
696 696  **Example:**
697 697  
698 698  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -777,6 +777,7 @@
777 777  
778 778  **Example: **AT+TDC=30000. Means set interval to 30 seconds
779 779  
768 +
780 780  * Downlink Payload (prefix 0x01):
781 781  
782 782  (% class="box infomessage" %)
... ... @@ -799,6 +799,7 @@
799 799  
800 800  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
801 801  
791 +
802 802  * Downlink Payload (prefix 0x0A):
803 803  
804 804  (% class="box infomessage" %)
... ... @@ -814,6 +814,7 @@
814 814  
815 815  There is no AT Command to poll uplink
816 816  
807 +
817 817  * Downlink Payload (prefix 0x08):
818 818  
819 819  (% class="box infomessage" %)
... ... @@ -840,6 +840,7 @@
840 840  
841 841  0: Disable Trigger Mode
842 842  
834 +
843 843  * Downlink Payload (prefix 0x0A 06):
844 844  
845 845  (% class="box infomessage" %)
... ... @@ -857,6 +857,7 @@
857 857  
858 858  There is no AT Command for this feature.
859 859  
852 +
860 860  * Downlink Payload (prefix 0x AB 06):
861 861  
862 862  (% class="box infomessage" %)
... ... @@ -877,6 +877,7 @@
877 877  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
878 878  )))
879 879  
873 +
880 880  **Example:**
881 881  
882 882  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -905,10 +905,12 @@
905 905  
906 906  b : delay timing.
907 907  
902 +
908 908  **Example:**
909 909  
910 910  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
911 911  
907 +
912 912  * Downlink Payload (prefix 0x09 01 ):
913 913  
914 914  (% class="box infomessage" %)
... ... @@ -917,6 +917,7 @@
917 917  )))
918 918  
919 919  
916 +
920 920  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
921 921  
922 922  Set DI2 trigger.
... ... @@ -932,10 +932,12 @@
932 932  
933 933  b : delay timing.
934 934  
932 +
935 935  **Example:**
936 936  
937 937  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
938 938  
937 +
939 939  * Downlink Payload (prefix 0x09 02 ):
940 940  
941 941  (% class="box infomessage" %)
... ... @@ -944,6 +944,7 @@
944 944  )))
945 945  
946 946  
946 +
947 947  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
948 948  
949 949  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -955,6 +955,7 @@
955 955  **AT+ACLIM. **
956 956  )))
957 957  
958 +
958 958  * Downlink Payload (prefix 0xAA 01 ):
959 959  
960 960  (% class="box infomessage" %)
... ... @@ -963,6 +963,7 @@
963 963  )))
964 964  
965 965  
967 +
966 966  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
967 967  
968 968  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -974,6 +974,7 @@
974 974  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
975 975  )))
976 976  
979 +
977 977  * Downlink Payload (prefix 0xAA 00 ):
978 978  
979 979  (% class="box infomessage" %)
... ... @@ -982,6 +982,7 @@
982 982  )))
983 983  
984 984  
988 +
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.
... ... @@ -993,6 +993,7 @@
993 993  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
994 994  )))
995 995  
1000 +
996 996  * Downlink Payload (prefix 0xAC ):
997 997  
998 998  (% class="box infomessage" %)
... ... @@ -1001,6 +1001,7 @@
1001 1001  )))
1002 1002  
1003 1003  
1009 +
1004 1004  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1005 1005  
1006 1006  * AT Command:
... ... @@ -1007,6 +1007,7 @@
1007 1007  
1008 1008  There is no AT Command to control Digital Output
1009 1009  
1016 +
1010 1010  * Downlink Payload (prefix 0x02):
1011 1011  
1012 1012  (% class="box infomessage" %)
... ... @@ -1033,6 +1033,7 @@
1033 1033  )))
1034 1034  
1035 1035  
1043 +
1036 1036  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1037 1037  
1038 1038  * AT Command:
... ... @@ -1039,6 +1039,7 @@
1039 1039  
1040 1040  There is no AT Command to control Digital Output
1041 1041  
1050 +
1042 1042  * Downlink Payload (prefix 0xA9):
1043 1043  
1044 1044  (% class="box infomessage" %)
... ... @@ -1058,18 +1058,22 @@
1058 1058  
1059 1059  00: DO pins will change to an inverter state after timeout 
1060 1060  
1070 +
1061 1061  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1062 1062  
1063 1063  [[image:image-20220524093238-6.png]]
1064 1064  
1075 +
1065 1065  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1066 1066  
1067 1067  [[image:image-20220524093328-7.png]]
1068 1068  
1080 +
1069 1069  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1070 1070  
1071 1071  [[image:image-20220524093351-8.png]]
1072 1072  
1085 +
1073 1073  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1074 1074  
1075 1075   Latching time. Unit: ms
... ... @@ -1076,6 +1076,7 @@
1076 1076  
1077 1077  Device will upload a packet if downlink code executes successfully.
1078 1078  
1092 +
1079 1079  **Example payload:**
1080 1080  
1081 1081  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1095,12 +1095,14 @@
1095 1095  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
1096 1096  
1097 1097  
1098 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1099 1099  
1113 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1114 +
1100 1100  * AT Command:
1101 1101  
1102 1102  There is no AT Command to control Relay Output
1103 1103  
1119 +
1104 1104  * Downlink Payload (prefix 0x03):
1105 1105  
1106 1106  (% class="box infomessage" %)
... ... @@ -1123,6 +1123,7 @@
1123 1123  Device will upload a packet if downlink code executes successfully.
1124 1124  
1125 1125  
1142 +
1126 1126  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1127 1127  
1128 1128  * AT Command:
... ... @@ -1129,6 +1129,7 @@
1129 1129  
1130 1130  There is no AT Command to control Relay Output
1131 1131  
1149 +
1132 1132  * Downlink Payload (prefix 0x05):
1133 1133  
1134 1134  (% class="box infomessage" %)
... ... @@ -1146,14 +1146,17 @@
1146 1146  
1147 1147  00: Relays will change to an inverter state after timeout
1148 1148  
1167 +
1149 1149  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1150 1150  
1151 1151  [[image:image-20220524093831-10.png]]
1152 1152  
1172 +
1153 1153  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1154 1154  
1155 1155  Device will upload a packet if downlink code executes successfully.
1156 1156  
1177 +
1157 1157  **Example payload:**
1158 1158  
1159 1159  **~1. 05 01 11 07 D0**
... ... @@ -1173,6 +1173,7 @@
1173 1173  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1174 1174  
1175 1175  
1197 +
1176 1176  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1177 1177  
1178 1178  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1184,6 +1184,7 @@
1184 1184  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1185 1185  )))
1186 1186  
1209 +
1187 1187  * Downlink Payload (prefix 0xA5):
1188 1188  
1189 1189  (% class="box infomessage" %)
... ... @@ -1192,6 +1192,7 @@
1192 1192  )))
1193 1193  
1194 1194  
1218 +
1195 1195  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1196 1196  
1197 1197  * AT Command:
... ... @@ -1209,6 +1209,7 @@
1209 1209  
1210 1210  Bb cc dd ee: number to be set
1211 1211  
1236 +
1212 1212  * Downlink Payload (prefix 0xA8):
1213 1213  
1214 1214  (% class="box infomessage" %)
... ... @@ -1217,6 +1217,7 @@
1217 1217  )))
1218 1218  
1219 1219  
1245 +
1220 1220  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1221 1221  
1222 1222  Clear counting for counting mode
... ... @@ -1236,6 +1236,7 @@
1236 1236  )))
1237 1237  
1238 1238  
1265 +
1239 1239  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1240 1240  
1241 1241  * AT Command:
... ... @@ -1258,16 +1258,17 @@
1258 1258  
1259 1259  )))
1260 1260  
1288 +
1261 1261  == 3.5 Integrate with Mydevice ==
1262 1262  
1263 1263  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:
1264 1264  
1265 1265  (((
1266 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1294 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1267 1267  )))
1268 1268  
1269 1269  (((
1270 -**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:
1298 +(% 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:
1271 1271  )))
1272 1272  
1273 1273  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1274,12 +1274,13 @@
1274 1274  
1275 1275  [[image:image-20220524094641-11.png||height="390" width="723"]]
1276 1276  
1305 +
1277 1277  [[image:image-20220524094641-12.png||height="402" width="718"]]
1278 1278  
1279 1279  
1280 -**Step 3**: Create an account or log in Mydevices.
1309 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1281 1281  
1282 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1311 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1283 1283  
1284 1284  Search under The things network
1285 1285  
... ... @@ -1286,19 +1286,25 @@
1286 1286  [[image:1653356838789-523.png||height="337" width="740"]]
1287 1287  
1288 1288  
1318 +
1289 1289  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1290 1290  
1291 1291  [[image:image-20220524094909-1.png||height="335" width="729"]]
1292 1292  
1323 +
1293 1293  [[image:image-20220524094909-2.png||height="337" width="729"]]
1294 1294  
1326 +
1295 1295  [[image:image-20220524094909-3.png||height="338" width="727"]]
1296 1296  
1329 +
1297 1297  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1298 1298  
1332 +
1299 1299  [[image:image-20220524094909-5.png||height="341" width="734"]]
1300 1300  
1301 1301  
1336 +
1302 1302  == 3.6 Interface Detail ==
1303 1303  
1304 1304  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1308,6 +1308,7 @@
1308 1308  [[image:1653356991268-289.png]]
1309 1309  
1310 1310  
1346 +
1311 1311  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1312 1312  
1313 1313  (((
... ... @@ -1333,7 +1333,7 @@
1333 1333  )))
1334 1334  
1335 1335  (((
1336 -**Example1**: Connect to a Low active sensor.
1372 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1337 1337  )))
1338 1338  
1339 1339  (((
... ... @@ -1364,7 +1364,7 @@
1364 1364  )))
1365 1365  
1366 1366  (((
1367 -**Example2**: Connect to a High active sensor.
1403 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1368 1368  )))
1369 1369  
1370 1370  (((
... ... @@ -1395,7 +1395,7 @@
1395 1395  )))
1396 1396  
1397 1397  (((
1398 -**Example3**: Connect to a 220v high active sensor.
1434 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1399 1399  )))
1400 1400  
1401 1401  (((
... ... @@ -1422,6 +1422,7 @@
1422 1422  )))
1423 1423  
1424 1424  
1461 +
1425 1425  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1426 1426  
1427 1427  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1429,12 +1429,14 @@
1429 1429  [[image:1653357531600-905.png]]
1430 1430  
1431 1431  
1469 +
1432 1432  === 3.6.4 Analog Input Interface ===
1433 1433  
1434 1434  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:
1435 1435  
1436 -**AC2 = (IN2 voltage )/12**
1437 1437  
1475 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1476 +
1438 1438  [[image:1653357592296-182.png]]
1439 1439  
1440 1440  Example to connect a 4~~20mA sensor
... ... @@ -1441,22 +1441,24 @@
1441 1441  
1442 1442  We take the wind speed sensor as an example for reference only.
1443 1443  
1444 -Specifications of the wind speed sensor:
1445 1445  
1446 -Red:12~~24v
1484 +**Specifications of the wind speed sensor:**
1447 1447  
1448 -Yellow:4~~20mA
1486 +Red:  12~~24v
1449 1449  
1450 -Black:GND
1488 +Yellow:  4~~20mA
1451 1451  
1490 +Black:  GND
1452 1452  
1453 -Connection diagram:
1454 1454  
1493 +**Connection diagram:**
1494 +
1455 1455  [[image:1653357640609-758.png]]
1456 1456  
1457 1457  [[image:1653357648330-671.png||height="155" width="733"]]
1458 1458  
1459 1459  
1500 +
1460 1460  === 3.6.5 Relay Output ===
1461 1461  
1462 1462  (((
... ... @@ -1468,6 +1468,7 @@
1468 1468  [[image:image-20220524100215-10.png||height="382" width="723"]]
1469 1469  
1470 1470  
1512 +
1471 1471  == 3.7 LEDs Indicators ==
1472 1472  
1473 1473  [[image:image-20220524100748-11.png]]
... ... @@ -1481,6 +1481,7 @@
1481 1481  
1482 1482  [[image:1653358238933-385.png]]
1483 1483  
1526 +
1484 1484  (((
1485 1485  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:
1486 1486  )))
... ... @@ -1487,6 +1487,7 @@
1487 1487  
1488 1488  [[image:1653358355238-883.png]]
1489 1489  
1533 +
1490 1490  (((
1491 1491  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/]]
1492 1492  )))
... ... @@ -1677,12 +1677,16 @@
1677 1677  
1678 1678  )))
1679 1679  
1724 +
1725 +
1680 1680  == 4.2 Common AT Command Sequence ==
1681 1681  
1682 1682  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1683 1683  
1684 1684  (((
1685 -If device has not joined network yet:
1731 +
1732 +
1733 +**If device has not joined network yet:**
1686 1686  )))
1687 1687  
1688 1688  (((
... ... @@ -1707,7 +1707,7 @@
1707 1707  
1708 1708  
1709 1709  (((
1710 -If device already joined network:
1758 +**If device already joined network:**
1711 1711  )))
1712 1712  
1713 1713  (((
... ... @@ -1720,10 +1720,14 @@
1720 1720  
1721 1721  )))
1722 1722  
1771 +
1772 +
1723 1723  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1724 1724  
1725 1725  (((
1726 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1776 +
1777 +
1778 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1727 1727  )))
1728 1728  
1729 1729  (((
... ... @@ -1731,7 +1731,7 @@
1731 1731  )))
1732 1732  
1733 1733  (((
1734 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1786 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1735 1735  )))
1736 1736  
1737 1737  (((
... ... @@ -1739,39 +1739,41 @@
1739 1739  )))
1740 1740  
1741 1741  (((
1742 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1794 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1743 1743  )))
1744 1744  
1745 1745  (((
1746 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1798 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1747 1747  )))
1748 1748  
1749 1749  (((
1750 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1802 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1751 1751  )))
1752 1752  
1753 1753  (((
1754 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1806 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1755 1755  )))
1756 1756  
1757 1757  (((
1758 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1810 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1759 1759  )))
1760 1760  
1761 1761  (((
1762 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1814 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1763 1763  )))
1764 1764  
1765 1765  (((
1766 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1818 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1767 1767  )))
1768 1768  
1769 1769  (((
1770 -(% 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.
1822 +(% 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.
1771 1771  )))
1772 1772  
1773 1773  (((
1774 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1826 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1827 +
1828 +
1775 1775  )))
1776 1776  
1777 1777  (((
... ... @@ -1793,6 +1793,7 @@
1793 1793  
1794 1794  )))
1795 1795  
1850 +
1796 1796  === 4.2.3 Change to Class A ===
1797 1797  
1798 1798  If sensor JOINED
... ... @@ -1804,19 +1804,25 @@
1804 1804  
1805 1805  == 5.1 How to upgrade the image? ==
1806 1806  
1862 +
1807 1807  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1808 1808  
1809 1809  * Support new features
1810 1810  * For bug fix
1811 1811  * Change LoRaWAN bands.
1868 +
1812 1812  Below shows the hardware connection for how to upload an image to the LT:
1813 -* [[image:1653359603330-121.png]]
1814 1814  
1871 +[[image:1653359603330-121.png]]
1872 +
1873 +
1815 1815  (((
1816 -**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]].
1817 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1818 -**Step3: **Open flashloader; choose the correct COM port to update.
1819 -**For LT-22222-L**:
1875 +(% 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]].
1876 +(% 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/]].
1877 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1878 +
1879 +
1880 +(% style="color:blue" %)**For LT-22222-L**(%%):
1820 1820  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.
1821 1821  )))
1822 1822  
... ... @@ -1826,6 +1826,7 @@
1826 1826  
1827 1827  [[image:image-20220524104033-15.png]]
1828 1828  
1890 +
1829 1829  (% 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:
1830 1830  
1831 1831  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1833,6 +1833,8 @@
1833 1833  
1834 1834  (((
1835 1835  (((
1898 +
1899 +
1836 1836  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1837 1837  )))
1838 1838  )))
... ... @@ -1839,11 +1839,11 @@
1839 1839  
1840 1840  (((
1841 1841  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1842 -
1843 -
1844 1844  )))
1845 1845  
1846 1846  (((
1909 +
1910 +
1847 1847  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1848 1848  )))
1849 1849  
... ... @@ -1856,6 +1856,8 @@
1856 1856  (((
1857 1857  (((
1858 1858  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1923 +
1924 +
1859 1859  )))
1860 1860  )))
1861 1861  
... ... @@ -1871,23 +1871,25 @@
1871 1871  (% 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.
1872 1872  )))
1873 1873  
1940 +
1874 1874  (((
1875 1875  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1876 1876  )))
1877 1877  
1878 1878  (((
1879 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1880 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1881 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1882 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1883 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1884 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1885 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1886 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1887 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1888 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1946 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1947 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1948 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1949 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1950 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1951 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1952 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1953 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1954 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1955 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1889 1889  )))
1890 1890  
1958 +
1891 1891  (((
1892 1892  As shown in below:
1893 1893  )))
... ... @@ -1904,11 +1904,11 @@
1904 1904  == 5.5 Can i use point to point communication for LT-22222-L? ==
1905 1905  
1906 1906  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1907 -
1908 -
1909 1909  )))
1910 1910  
1911 1911  (((
1978 +
1979 +
1912 1912  = 6. Trouble Shooting =
1913 1913  )))
1914 1914  
... ... @@ -1920,11 +1920,11 @@
1920 1920  
1921 1921  (((
1922 1922  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1923 -
1924 -
1925 1925  )))
1926 1926  
1927 1927  (((
1994 +
1995 +
1928 1928  == 6.2 Have trouble to upload image. ==
1929 1929  )))
1930 1930  
... ... @@ -1934,9 +1934,7 @@
1934 1934  
1935 1935  (((
1936 1936  
1937 -)))
1938 1938  
1939 -(((
1940 1940  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1941 1941  )))
1942 1942  
... ... @@ -1944,147 +1944,55 @@
1944 1944  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1945 1945  )))
1946 1946  
1947 -(((
1948 -
1949 -)))
1950 1950  
1951 -(((
2014 +
1952 1952  = 7. Order Info =
1953 -)))
1954 1954  
1955 -(((
1956 -(((
2017 +
1957 1957  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1958 -)))
1959 -)))
1960 1960  
1961 -(((
1962 -(((
2020 +
1963 1963  (% style="color:#4f81bd" %)**XXX:**
1964 -)))
1965 -)))
1966 1966  
1967 -(((
1968 -* (((
1969 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1970 -)))
1971 -)))
2023 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2024 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2025 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2026 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2027 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2028 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2029 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2030 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2031 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1972 1972  
1973 -(((
1974 -* (((
1975 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1976 -)))
1977 -)))
1978 -
1979 -(((
1980 -* (((
1981 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1982 -)))
1983 -)))
1984 -
1985 -(((
1986 -* (((
1987 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1988 -)))
1989 -)))
1990 -
1991 -(((
1992 -* (((
1993 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1994 -)))
1995 -)))
1996 -
1997 -(((
1998 -* (((
1999 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2000 -)))
2001 -)))
2002 -
2003 -(((
2004 -* (((
2005 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2006 -)))
2007 -)))
2008 -
2009 -(((
2010 -* (((
2011 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2012 -)))
2013 -)))
2014 -
2015 -(((
2016 -* (((
2017 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2018 -
2019 -
2020 -)))
2021 -
2022 2022  = 8. Packing Info =
2023 -)))
2024 2024  
2025 -(((
2026 -(((
2035 +
2027 2027  **Package Includes**:
2028 -)))
2029 -)))
2030 2030  
2031 -(((
2032 -(((
2033 2033  * LT-22222-L I/O Controller x 1
2034 2034  * Stick Antenna for LoRa RF part x 1
2035 2035  * Bracket for controller x1
2036 2036  * Program cable x 1
2037 -)))
2038 -)))
2039 2039  
2040 -(((
2041 -(((
2042 2042  **Dimension and weight**:
2043 -)))
2044 -)))
2045 2045  
2046 -(((
2047 -(((
2048 2048  * Device Size: 13.5 x 7 x 3 cm
2049 2049  * Device Weight: 105g
2050 2050  * Package Size / pcs : 14.5 x 8 x 5 cm
2051 2051  * Weight / pcs : 170g
2052 2052  
2053 -
2054 -)))
2055 -)))
2056 -
2057 -(((
2058 2058  = 9. Support =
2059 -)))
2060 2060  
2061 2061  * (((
2062 -(((
2063 2063  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.
2064 2064  )))
2065 -)))
2066 2066  * (((
2067 -(((
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
2056 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2069 2069  )))
2070 -)))
2071 2071  
2072 -(((
2073 -(((
2074 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2075 -
2076 -
2077 -)))
2078 -
2079 -(((
2080 2080  = 10. Reference​​​​​ =
2081 2081  
2082 -* Product Page:
2083 -
2084 -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]]
2085 -
2061 +* 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]]
2086 2086  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2087 2087  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2088 2088  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2089 -)))
2090 -)))

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