Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.25 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.67 >
edited by Xiaoling
on 2022/06/10 09:20
>
Change comment: There is no comment for this version

Summary

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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.
... ... @@ -753,9 +753,8 @@
753 753  * (% 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]]
754 754  
755 755  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
741 +*
756 756  
757 -
758 -
759 759  === 3.4.1 Common Commands ===
760 760  
761 761  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]]
... ... @@ -777,6 +777,7 @@
777 777  
778 778  **Example: **AT+TDC=30000. Means set interval to 30 seconds
779 779  
764 +
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  
787 +
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  
803 +
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  
830 +
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  
848 +
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  
869 +
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  
898 +
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  
903 +
912 912  * Downlink Payload (prefix 0x09 01 ):
913 913  
914 914  (% class="box infomessage" %)
... ... @@ -933,10 +933,12 @@
933 933  
934 934  b : delay timing.
935 935  
928 +
936 936  **Example:**
937 937  
938 938  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
939 939  
933 +
940 940  * Downlink Payload (prefix 0x09 02 ):
941 941  
942 942  (% class="box infomessage" %)
... ... @@ -945,6 +945,7 @@
945 945  )))
946 946  
947 947  
942 +
948 948  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
949 949  
950 950  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -956,6 +956,7 @@
956 956  **AT+ACLIM. **
957 957  )))
958 958  
954 +
959 959  * Downlink Payload (prefix 0xAA 01 ):
960 960  
961 961  (% class="box infomessage" %)
... ... @@ -964,6 +964,7 @@
964 964  )))
965 965  
966 966  
963 +
967 967  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
968 968  
969 969  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -975,6 +975,7 @@
975 975  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
976 976  )))
977 977  
975 +
978 978  * Downlink Payload (prefix 0xAA 00 ):
979 979  
980 980  (% class="box infomessage" %)
... ... @@ -983,6 +983,7 @@
983 983  )))
984 984  
985 985  
984 +
986 986  ==== 3.4.2.11 Trigger – Set minimum interval ====
987 987  
988 988  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -994,6 +994,7 @@
994 994  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
995 995  )))
996 996  
996 +
997 997  * Downlink Payload (prefix 0xAC ):
998 998  
999 999  (% class="box infomessage" %)
... ... @@ -1002,6 +1002,7 @@
1002 1002  )))
1003 1003  
1004 1004  
1005 +
1005 1005  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1006 1006  
1007 1007  * AT Command:
... ... @@ -1008,6 +1008,7 @@
1008 1008  
1009 1009  There is no AT Command to control Digital Output
1010 1010  
1012 +
1011 1011  * Downlink Payload (prefix 0x02):
1012 1012  
1013 1013  (% class="box infomessage" %)
... ... @@ -1034,6 +1034,7 @@
1034 1034  )))
1035 1035  
1036 1036  
1039 +
1037 1037  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1038 1038  
1039 1039  * AT Command:
... ... @@ -1040,6 +1040,7 @@
1040 1040  
1041 1041  There is no AT Command to control Digital Output
1042 1042  
1046 +
1043 1043  * Downlink Payload (prefix 0xA9):
1044 1044  
1045 1045  (% class="box infomessage" %)
... ... @@ -1059,18 +1059,22 @@
1059 1059  
1060 1060  00: DO pins will change to an inverter state after timeout 
1061 1061  
1066 +
1062 1062  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1063 1063  
1064 1064  [[image:image-20220524093238-6.png]]
1065 1065  
1071 +
1066 1066  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1067 1067  
1068 1068  [[image:image-20220524093328-7.png]]
1069 1069  
1076 +
1070 1070  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1071 1071  
1072 1072  [[image:image-20220524093351-8.png]]
1073 1073  
1081 +
1074 1074  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1075 1075  
1076 1076   Latching time. Unit: ms
... ... @@ -1077,6 +1077,7 @@
1077 1077  
1078 1078  Device will upload a packet if downlink code executes successfully.
1079 1079  
1088 +
1080 1080  **Example payload:**
1081 1081  
1082 1082  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1096,6 +1096,7 @@
1096 1096  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
1097 1097  
1098 1098  
1108 +
1099 1099  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1100 1100  
1101 1101  * AT Command:
... ... @@ -1102,6 +1102,7 @@
1102 1102  
1103 1103  There is no AT Command to control Relay Output
1104 1104  
1115 +
1105 1105  * Downlink Payload (prefix 0x03):
1106 1106  
1107 1107  (% class="box infomessage" %)
... ... @@ -1124,6 +1124,7 @@
1124 1124  Device will upload a packet if downlink code executes successfully.
1125 1125  
1126 1126  
1138 +
1127 1127  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1128 1128  
1129 1129  * AT Command:
... ... @@ -1130,6 +1130,7 @@
1130 1130  
1131 1131  There is no AT Command to control Relay Output
1132 1132  
1145 +
1133 1133  * Downlink Payload (prefix 0x05):
1134 1134  
1135 1135  (% class="box infomessage" %)
... ... @@ -1147,14 +1147,17 @@
1147 1147  
1148 1148  00: Relays will change to an inverter state after timeout
1149 1149  
1163 +
1150 1150  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1151 1151  
1152 1152  [[image:image-20220524093831-10.png]]
1153 1153  
1168 +
1154 1154  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1155 1155  
1156 1156  Device will upload a packet if downlink code executes successfully.
1157 1157  
1173 +
1158 1158  **Example payload:**
1159 1159  
1160 1160  **~1. 05 01 11 07 D0**
... ... @@ -1174,6 +1174,7 @@
1174 1174  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1175 1175  
1176 1176  
1193 +
1177 1177  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1178 1178  
1179 1179  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1185,6 +1185,7 @@
1185 1185  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1186 1186  )))
1187 1187  
1205 +
1188 1188  * Downlink Payload (prefix 0xA5):
1189 1189  
1190 1190  (% class="box infomessage" %)
... ... @@ -1193,6 +1193,7 @@
1193 1193  )))
1194 1194  
1195 1195  
1214 +
1196 1196  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1197 1197  
1198 1198  * AT Command:
... ... @@ -1210,6 +1210,7 @@
1210 1210  
1211 1211  Bb cc dd ee: number to be set
1212 1212  
1232 +
1213 1213  * Downlink Payload (prefix 0xA8):
1214 1214  
1215 1215  (% class="box infomessage" %)
... ... @@ -1218,6 +1218,7 @@
1218 1218  )))
1219 1219  
1220 1220  
1241 +
1221 1221  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1222 1222  
1223 1223  Clear counting for counting mode
... ... @@ -1237,6 +1237,7 @@
1237 1237  )))
1238 1238  
1239 1239  
1261 +
1240 1240  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1241 1241  
1242 1242  * AT Command:
... ... @@ -1259,16 +1259,17 @@
1259 1259  
1260 1260  )))
1261 1261  
1284 +
1262 1262  == 3.5 Integrate with Mydevice ==
1263 1263  
1264 1264  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:
1265 1265  
1266 1266  (((
1267 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1290 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1268 1268  )))
1269 1269  
1270 1270  (((
1271 -**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:
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:
1272 1272  )))
1273 1273  
1274 1274  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1275,12 +1275,13 @@
1275 1275  
1276 1276  [[image:image-20220524094641-11.png||height="390" width="723"]]
1277 1277  
1301 +
1278 1278  [[image:image-20220524094641-12.png||height="402" width="718"]]
1279 1279  
1280 1280  
1281 -**Step 3**: Create an account or log in Mydevices.
1305 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1282 1282  
1283 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1307 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1284 1284  
1285 1285  Search under The things network
1286 1286  
... ... @@ -1287,19 +1287,25 @@
1287 1287  [[image:1653356838789-523.png||height="337" width="740"]]
1288 1288  
1289 1289  
1314 +
1290 1290  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1291 1291  
1292 1292  [[image:image-20220524094909-1.png||height="335" width="729"]]
1293 1293  
1319 +
1294 1294  [[image:image-20220524094909-2.png||height="337" width="729"]]
1295 1295  
1322 +
1296 1296  [[image:image-20220524094909-3.png||height="338" width="727"]]
1297 1297  
1325 +
1298 1298  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1299 1299  
1328 +
1300 1300  [[image:image-20220524094909-5.png||height="341" width="734"]]
1301 1301  
1302 1302  
1332 +
1303 1303  == 3.6 Interface Detail ==
1304 1304  
1305 1305  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1309,6 +1309,7 @@
1309 1309  [[image:1653356991268-289.png]]
1310 1310  
1311 1311  
1342 +
1312 1312  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1313 1313  
1314 1314  (((
... ... @@ -1334,7 +1334,7 @@
1334 1334  )))
1335 1335  
1336 1336  (((
1337 -**Example1**: Connect to a Low active sensor.
1368 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1338 1338  )))
1339 1339  
1340 1340  (((
... ... @@ -1365,7 +1365,7 @@
1365 1365  )))
1366 1366  
1367 1367  (((
1368 -**Example2**: Connect to a High active sensor.
1399 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1369 1369  )))
1370 1370  
1371 1371  (((
... ... @@ -1396,7 +1396,7 @@
1396 1396  )))
1397 1397  
1398 1398  (((
1399 -**Example3**: Connect to a 220v high active sensor.
1430 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1400 1400  )))
1401 1401  
1402 1402  (((
... ... @@ -1423,6 +1423,7 @@
1423 1423  )))
1424 1424  
1425 1425  
1457 +
1426 1426  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1427 1427  
1428 1428  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1430,12 +1430,14 @@
1430 1430  [[image:1653357531600-905.png]]
1431 1431  
1432 1432  
1465 +
1433 1433  === 3.6.4 Analog Input Interface ===
1434 1434  
1435 1435  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:
1436 1436  
1437 -**AC2 = (IN2 voltage )/12**
1438 1438  
1471 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1472 +
1439 1439  [[image:1653357592296-182.png]]
1440 1440  
1441 1441  Example to connect a 4~~20mA sensor
... ... @@ -1442,22 +1442,24 @@
1442 1442  
1443 1443  We take the wind speed sensor as an example for reference only.
1444 1444  
1445 -Specifications of the wind speed sensor:
1446 1446  
1447 -Red:12~~24v
1480 +**Specifications of the wind speed sensor:**
1448 1448  
1449 -Yellow:4~~20mA
1482 +Red:  12~~24v
1450 1450  
1451 -Black:GND
1484 +Yellow:  4~~20mA
1452 1452  
1486 +Black:  GND
1453 1453  
1454 -Connection diagram:
1455 1455  
1489 +**Connection diagram:**
1490 +
1456 1456  [[image:1653357640609-758.png]]
1457 1457  
1458 1458  [[image:1653357648330-671.png||height="155" width="733"]]
1459 1459  
1460 1460  
1496 +
1461 1461  === 3.6.5 Relay Output ===
1462 1462  
1463 1463  (((
... ... @@ -1469,6 +1469,7 @@
1469 1469  [[image:image-20220524100215-10.png||height="382" width="723"]]
1470 1470  
1471 1471  
1508 +
1472 1472  == 3.7 LEDs Indicators ==
1473 1473  
1474 1474  [[image:image-20220524100748-11.png]]
... ... @@ -1482,6 +1482,7 @@
1482 1482  
1483 1483  [[image:1653358238933-385.png]]
1484 1484  
1522 +
1485 1485  (((
1486 1486  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:
1487 1487  )))
... ... @@ -1488,6 +1488,7 @@
1488 1488  
1489 1489  [[image:1653358355238-883.png]]
1490 1490  
1529 +
1491 1491  (((
1492 1492  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/]]
1493 1493  )))
... ... @@ -1678,12 +1678,16 @@
1678 1678  
1679 1679  )))
1680 1680  
1720 +
1721 +
1681 1681  == 4.2 Common AT Command Sequence ==
1682 1682  
1683 1683  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1684 1684  
1685 1685  (((
1686 -If device has not joined network yet:
1727 +
1728 +
1729 +**If device has not joined network yet:**
1687 1687  )))
1688 1688  
1689 1689  (((
... ... @@ -1708,7 +1708,7 @@
1708 1708  
1709 1709  
1710 1710  (((
1711 -If device already joined network:
1754 +**If device already joined network:**
1712 1712  )))
1713 1713  
1714 1714  (((
... ... @@ -1721,10 +1721,14 @@
1721 1721  
1722 1722  )))
1723 1723  
1767 +
1768 +
1724 1724  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1725 1725  
1726 1726  (((
1727 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1772 +
1773 +
1774 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1728 1728  )))
1729 1729  
1730 1730  (((
... ... @@ -1732,7 +1732,7 @@
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1782 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1736 1736  )))
1737 1737  
1738 1738  (((
... ... @@ -1740,39 +1740,41 @@
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1790 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1744 1744  )))
1745 1745  
1746 1746  (((
1747 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1794 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1748 1748  )))
1749 1749  
1750 1750  (((
1751 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1798 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1752 1752  )))
1753 1753  
1754 1754  (((
1755 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1802 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1756 1756  )))
1757 1757  
1758 1758  (((
1759 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1806 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1760 1760  )))
1761 1761  
1762 1762  (((
1763 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1810 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1764 1764  )))
1765 1765  
1766 1766  (((
1767 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1814 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1768 1768  )))
1769 1769  
1770 1770  (((
1771 -(% 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.
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.
1772 1772  )))
1773 1773  
1774 1774  (((
1775 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1822 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1823 +
1824 +
1776 1776  )))
1777 1777  
1778 1778  (((
... ... @@ -1794,6 +1794,7 @@
1794 1794  
1795 1795  )))
1796 1796  
1846 +
1797 1797  === 4.2.3 Change to Class A ===
1798 1798  
1799 1799  If sensor JOINED
... ... @@ -1805,19 +1805,25 @@
1805 1805  
1806 1806  == 5.1 How to upgrade the image? ==
1807 1807  
1858 +
1808 1808  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1809 1809  
1810 1810  * Support new features
1811 1811  * For bug fix
1812 1812  * Change LoRaWAN bands.
1864 +
1813 1813  Below shows the hardware connection for how to upload an image to the LT:
1814 -* [[image:1653359603330-121.png]]
1815 1815  
1867 +[[image:1653359603330-121.png]]
1868 +
1869 +
1816 1816  (((
1817 -**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]].
1818 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1819 -**Step3: **Open flashloader; choose the correct COM port to update.
1820 -**For LT-22222-L**:
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**(%%):
1821 1821  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.
1822 1822  )))
1823 1823  
... ... @@ -1827,6 +1827,7 @@
1827 1827  
1828 1828  [[image:image-20220524104033-15.png]]
1829 1829  
1886 +
1830 1830  (% 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:
1831 1831  
1832 1832  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1834,6 +1834,8 @@
1834 1834  
1835 1835  (((
1836 1836  (((
1894 +
1895 +
1837 1837  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1838 1838  )))
1839 1839  )))
... ... @@ -1840,11 +1840,11 @@
1840 1840  
1841 1841  (((
1842 1842  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1843 -
1844 -
1845 1845  )))
1846 1846  
1847 1847  (((
1905 +
1906 +
1848 1848  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1849 1849  )))
1850 1850  
... ... @@ -1857,6 +1857,8 @@
1857 1857  (((
1858 1858  (((
1859 1859  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1919 +
1920 +
1860 1860  )))
1861 1861  )))
1862 1862  
... ... @@ -1872,23 +1872,25 @@
1872 1872  (% 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.
1873 1873  )))
1874 1874  
1936 +
1875 1875  (((
1876 1876  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1877 1877  )))
1878 1878  
1879 1879  (((
1880 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1881 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1882 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1883 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1884 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1885 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1886 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1887 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1888 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1889 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
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
1890 1890  )))
1891 1891  
1954 +
1892 1892  (((
1893 1893  As shown in below:
1894 1894  )))
... ... @@ -1905,11 +1905,11 @@
1905 1905  == 5.5 Can i use point to point communication for LT-22222-L? ==
1906 1906  
1907 1907  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1908 -
1909 -
1910 1910  )))
1911 1911  
1912 1912  (((
1974 +
1975 +
1913 1913  = 6. Trouble Shooting =
1914 1914  )))
1915 1915  
... ... @@ -1921,11 +1921,11 @@
1921 1921  
1922 1922  (((
1923 1923  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1924 -
1925 -
1926 1926  )))
1927 1927  
1928 1928  (((
1990 +
1991 +
1929 1929  == 6.2 Have trouble to upload image. ==
1930 1930  )))
1931 1931  
... ... @@ -1935,9 +1935,7 @@
1935 1935  
1936 1936  (((
1937 1937  
1938 -)))
1939 1939  
1940 -(((
1941 1941  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1942 1942  )))
1943 1943  
... ... @@ -1945,147 +1945,55 @@
1945 1945  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1946 1946  )))
1947 1947  
1948 -(((
1949 -
1950 -)))
1951 1951  
1952 -(((
2010 +
1953 1953  = 7. Order Info =
1954 -)))
1955 1955  
1956 -(((
1957 -(((
2013 +
1958 1958  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1959 -)))
1960 -)))
1961 1961  
1962 -(((
1963 -(((
2016 +
1964 1964  (% style="color:#4f81bd" %)**XXX:**
1965 -)))
1966 -)))
1967 1967  
1968 -(((
1969 -* (((
1970 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1971 -)))
1972 -)))
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
1973 1973  
1974 -(((
1975 -* (((
1976 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1977 -)))
1978 -)))
1979 -
1980 -(((
1981 -* (((
1982 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1983 -)))
1984 -)))
1985 -
1986 -(((
1987 -* (((
1988 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1989 -)))
1990 -)))
1991 -
1992 -(((
1993 -* (((
1994 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1995 -)))
1996 -)))
1997 -
1998 -(((
1999 -* (((
2000 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2001 -)))
2002 -)))
2003 -
2004 -(((
2005 -* (((
2006 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2007 -)))
2008 -)))
2009 -
2010 -(((
2011 -* (((
2012 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2013 -)))
2014 -)))
2015 -
2016 -(((
2017 -* (((
2018 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2019 -
2020 -
2021 -)))
2022 -
2023 2023  = 8. Packing Info =
2024 -)))
2025 2025  
2026 -(((
2027 -(((
2031 +
2028 2028  **Package Includes**:
2029 -)))
2030 -)))
2031 2031  
2032 -(((
2033 -(((
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
2038 -)))
2039 -)))
2040 2040  
2041 -(((
2042 -(((
2043 2043  **Dimension and weight**:
2044 -)))
2045 -)))
2046 2046  
2047 -(((
2048 -(((
2049 2049  * Device Size: 13.5 x 7 x 3 cm
2050 2050  * Device Weight: 105g
2051 2051  * Package Size / pcs : 14.5 x 8 x 5 cm
2052 2052  * Weight / pcs : 170g
2053 2053  
2054 -
2055 -)))
2056 -)))
2057 -
2058 -(((
2059 2059  = 9. Support =
2060 -)))
2061 2061  
2062 2062  * (((
2063 -(((
2064 2064  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.
2065 2065  )))
2066 -)))
2067 2067  * (((
2068 -(((
2069 -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
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]]
2070 2070  )))
2071 -)))
2072 2072  
2073 -(((
2074 -(((
2075 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2076 -
2077 -
2078 -)))
2079 -
2080 -(((
2081 2081  = 10. Reference​​​​​ =
2082 2082  
2083 -* Product Page:
2084 -
2085 -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 -
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]]
2087 2087  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2088 2088  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2089 2089  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2090 -)))
2091 -)))

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