Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.27 >
edited by Xiaoling
on 2022/06/10 08:41
To version < 77.66 >
edited by Xiaoling
on 2022/06/10 09:19
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -187,8 +187,6 @@
187 187  * Smart Cities
188 188  * Smart Factory
189 189  
190 -
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -202,8 +202,6 @@
202 202  * 1 x Counting Port
203 203  )))
204 204  
205 -
206 -
207 207  = 2. Power ON Device =
208 208  
209 209  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -285,8 +285,6 @@
285 285  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 -
289 -
290 290  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
291 291  
292 292  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -322,7 +322,6 @@
322 322  * [1] RO1 relay channel is close and the RO1 LED is ON.
323 323  * [0] RO2 relay channel is open and RO2 LED is OFF;
324 324  
325 -
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,8 +338,6 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
341 -
342 -
343 343  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
344 344  
345 345  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -754,8 +754,6 @@
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:
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  
763 +
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  
786 +
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  
802 +
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  
829 +
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  
847 +
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  
868 +
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  
897 +
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  
902 +
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  
927 +
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  
932 +
940 940  * Downlink Payload (prefix 0x09 02 ):
941 941  
942 942  (% class="box infomessage" %)
... ... @@ -957,6 +957,7 @@
957 957  **AT+ACLIM. **
958 958  )))
959 959  
953 +
960 960  * Downlink Payload (prefix 0xAA 01 ):
961 961  
962 962  (% class="box infomessage" %)
... ... @@ -977,6 +977,7 @@
977 977  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
978 978  )))
979 979  
974 +
980 980  * Downlink Payload (prefix 0xAA 00 ):
981 981  
982 982  (% class="box infomessage" %)
... ... @@ -985,6 +985,7 @@
985 985  )))
986 986  
987 987  
983 +
988 988  ==== 3.4.2.11 Trigger – Set minimum interval ====
989 989  
990 990  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -996,6 +996,7 @@
996 996  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
997 997  )))
998 998  
995 +
999 999  * Downlink Payload (prefix 0xAC ):
1000 1000  
1001 1001  (% class="box infomessage" %)
... ... @@ -1004,6 +1004,7 @@
1004 1004  )))
1005 1005  
1006 1006  
1004 +
1007 1007  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1008 1008  
1009 1009  * AT Command:
... ... @@ -1010,6 +1010,7 @@
1010 1010  
1011 1011  There is no AT Command to control Digital Output
1012 1012  
1011 +
1013 1013  * Downlink Payload (prefix 0x02):
1014 1014  
1015 1015  (% class="box infomessage" %)
... ... @@ -1036,6 +1036,7 @@
1036 1036  )))
1037 1037  
1038 1038  
1038 +
1039 1039  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1040 1040  
1041 1041  * AT Command:
... ... @@ -1042,6 +1042,7 @@
1042 1042  
1043 1043  There is no AT Command to control Digital Output
1044 1044  
1045 +
1045 1045  * Downlink Payload (prefix 0xA9):
1046 1046  
1047 1047  (% class="box infomessage" %)
... ... @@ -1061,18 +1061,22 @@
1061 1061  
1062 1062  00: DO pins will change to an inverter state after timeout 
1063 1063  
1065 +
1064 1064  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1065 1065  
1066 1066  [[image:image-20220524093238-6.png]]
1067 1067  
1070 +
1068 1068  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1069 1069  
1070 1070  [[image:image-20220524093328-7.png]]
1071 1071  
1075 +
1072 1072  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1073 1073  
1074 1074  [[image:image-20220524093351-8.png]]
1075 1075  
1080 +
1076 1076  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1077 1077  
1078 1078   Latching time. Unit: ms
... ... @@ -1079,6 +1079,7 @@
1079 1079  
1080 1080  Device will upload a packet if downlink code executes successfully.
1081 1081  
1087 +
1082 1082  **Example payload:**
1083 1083  
1084 1084  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1098,6 +1098,7 @@
1098 1098  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
1099 1099  
1100 1100  
1107 +
1101 1101  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1102 1102  
1103 1103  * AT Command:
... ... @@ -1104,6 +1104,7 @@
1104 1104  
1105 1105  There is no AT Command to control Relay Output
1106 1106  
1114 +
1107 1107  * Downlink Payload (prefix 0x03):
1108 1108  
1109 1109  (% class="box infomessage" %)
... ... @@ -1126,6 +1126,7 @@
1126 1126  Device will upload a packet if downlink code executes successfully.
1127 1127  
1128 1128  
1137 +
1129 1129  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1130 1130  
1131 1131  * AT Command:
... ... @@ -1132,6 +1132,7 @@
1132 1132  
1133 1133  There is no AT Command to control Relay Output
1134 1134  
1144 +
1135 1135  * Downlink Payload (prefix 0x05):
1136 1136  
1137 1137  (% class="box infomessage" %)
... ... @@ -1149,14 +1149,17 @@
1149 1149  
1150 1150  00: Relays will change to an inverter state after timeout
1151 1151  
1162 +
1152 1152  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1153 1153  
1154 1154  [[image:image-20220524093831-10.png]]
1155 1155  
1167 +
1156 1156  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1157 1157  
1158 1158  Device will upload a packet if downlink code executes successfully.
1159 1159  
1172 +
1160 1160  **Example payload:**
1161 1161  
1162 1162  **~1. 05 01 11 07 D0**
... ... @@ -1176,6 +1176,7 @@
1176 1176  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1177 1177  
1178 1178  
1192 +
1179 1179  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1180 1180  
1181 1181  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1187,6 +1187,7 @@
1187 1187  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1188 1188  )))
1189 1189  
1204 +
1190 1190  * Downlink Payload (prefix 0xA5):
1191 1191  
1192 1192  (% class="box infomessage" %)
... ... @@ -1195,6 +1195,7 @@
1195 1195  )))
1196 1196  
1197 1197  
1213 +
1198 1198  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1199 1199  
1200 1200  * AT Command:
... ... @@ -1212,6 +1212,7 @@
1212 1212  
1213 1213  Bb cc dd ee: number to be set
1214 1214  
1231 +
1215 1215  * Downlink Payload (prefix 0xA8):
1216 1216  
1217 1217  (% class="box infomessage" %)
... ... @@ -1220,6 +1220,7 @@
1220 1220  )))
1221 1221  
1222 1222  
1240 +
1223 1223  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1224 1224  
1225 1225  Clear counting for counting mode
... ... @@ -1239,6 +1239,7 @@
1239 1239  )))
1240 1240  
1241 1241  
1260 +
1242 1242  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1243 1243  
1244 1244  * AT Command:
... ... @@ -1261,16 +1261,17 @@
1261 1261  
1262 1262  )))
1263 1263  
1283 +
1264 1264  == 3.5 Integrate with Mydevice ==
1265 1265  
1266 1266  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:
1267 1267  
1268 1268  (((
1269 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1289 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1270 1270  )))
1271 1271  
1272 1272  (((
1273 -**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:
1293 +(% 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:
1274 1274  )))
1275 1275  
1276 1276  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1277,12 +1277,13 @@
1277 1277  
1278 1278  [[image:image-20220524094641-11.png||height="390" width="723"]]
1279 1279  
1300 +
1280 1280  [[image:image-20220524094641-12.png||height="402" width="718"]]
1281 1281  
1282 1282  
1283 -**Step 3**: Create an account or log in Mydevices.
1304 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1284 1284  
1285 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1306 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1286 1286  
1287 1287  Search under The things network
1288 1288  
... ... @@ -1289,19 +1289,25 @@
1289 1289  [[image:1653356838789-523.png||height="337" width="740"]]
1290 1290  
1291 1291  
1313 +
1292 1292  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1293 1293  
1294 1294  [[image:image-20220524094909-1.png||height="335" width="729"]]
1295 1295  
1318 +
1296 1296  [[image:image-20220524094909-2.png||height="337" width="729"]]
1297 1297  
1321 +
1298 1298  [[image:image-20220524094909-3.png||height="338" width="727"]]
1299 1299  
1324 +
1300 1300  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1301 1301  
1327 +
1302 1302  [[image:image-20220524094909-5.png||height="341" width="734"]]
1303 1303  
1304 1304  
1331 +
1305 1305  == 3.6 Interface Detail ==
1306 1306  
1307 1307  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1311,6 +1311,7 @@
1311 1311  [[image:1653356991268-289.png]]
1312 1312  
1313 1313  
1341 +
1314 1314  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1315 1315  
1316 1316  (((
... ... @@ -1336,7 +1336,7 @@
1336 1336  )))
1337 1337  
1338 1338  (((
1339 -**Example1**: Connect to a Low active sensor.
1367 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1340 1340  )))
1341 1341  
1342 1342  (((
... ... @@ -1367,7 +1367,7 @@
1367 1367  )))
1368 1368  
1369 1369  (((
1370 -**Example2**: Connect to a High active sensor.
1398 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1371 1371  )))
1372 1372  
1373 1373  (((
... ... @@ -1398,7 +1398,7 @@
1398 1398  )))
1399 1399  
1400 1400  (((
1401 -**Example3**: Connect to a 220v high active sensor.
1429 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1402 1402  )))
1403 1403  
1404 1404  (((
... ... @@ -1425,6 +1425,7 @@
1425 1425  )))
1426 1426  
1427 1427  
1456 +
1428 1428  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1429 1429  
1430 1430  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1432,12 +1432,14 @@
1432 1432  [[image:1653357531600-905.png]]
1433 1433  
1434 1434  
1464 +
1435 1435  === 3.6.4 Analog Input Interface ===
1436 1436  
1437 1437  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:
1438 1438  
1439 -**AC2 = (IN2 voltage )/12**
1440 1440  
1470 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1471 +
1441 1441  [[image:1653357592296-182.png]]
1442 1442  
1443 1443  Example to connect a 4~~20mA sensor
... ... @@ -1444,22 +1444,24 @@
1444 1444  
1445 1445  We take the wind speed sensor as an example for reference only.
1446 1446  
1447 -Specifications of the wind speed sensor:
1448 1448  
1449 -Red:12~~24v
1479 +**Specifications of the wind speed sensor:**
1450 1450  
1451 -Yellow:4~~20mA
1481 +Red:  12~~24v
1452 1452  
1453 -Black:GND
1483 +Yellow:  4~~20mA
1454 1454  
1485 +Black:  GND
1455 1455  
1456 -Connection diagram:
1457 1457  
1488 +**Connection diagram:**
1489 +
1458 1458  [[image:1653357640609-758.png]]
1459 1459  
1460 1460  [[image:1653357648330-671.png||height="155" width="733"]]
1461 1461  
1462 1462  
1495 +
1463 1463  === 3.6.5 Relay Output ===
1464 1464  
1465 1465  (((
... ... @@ -1471,6 +1471,7 @@
1471 1471  [[image:image-20220524100215-10.png||height="382" width="723"]]
1472 1472  
1473 1473  
1507 +
1474 1474  == 3.7 LEDs Indicators ==
1475 1475  
1476 1476  [[image:image-20220524100748-11.png]]
... ... @@ -1484,6 +1484,7 @@
1484 1484  
1485 1485  [[image:1653358238933-385.png]]
1486 1486  
1521 +
1487 1487  (((
1488 1488  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:
1489 1489  )))
... ... @@ -1490,6 +1490,7 @@
1490 1490  
1491 1491  [[image:1653358355238-883.png]]
1492 1492  
1528 +
1493 1493  (((
1494 1494  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/]]
1495 1495  )))
... ... @@ -1680,12 +1680,16 @@
1680 1680  
1681 1681  )))
1682 1682  
1719 +
1720 +
1683 1683  == 4.2 Common AT Command Sequence ==
1684 1684  
1685 1685  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1686 1686  
1687 1687  (((
1688 -If device has not joined network yet:
1726 +
1727 +
1728 +**If device has not joined network yet:**
1689 1689  )))
1690 1690  
1691 1691  (((
... ... @@ -1710,7 +1710,7 @@
1710 1710  
1711 1711  
1712 1712  (((
1713 -If device already joined network:
1753 +**If device already joined network:**
1714 1714  )))
1715 1715  
1716 1716  (((
... ... @@ -1723,10 +1723,14 @@
1723 1723  
1724 1724  )))
1725 1725  
1766 +
1767 +
1726 1726  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1727 1727  
1728 1728  (((
1729 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1771 +
1772 +
1773 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1730 1730  )))
1731 1731  
1732 1732  (((
... ... @@ -1734,7 +1734,7 @@
1734 1734  )))
1735 1735  
1736 1736  (((
1737 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1781 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1738 1738  )))
1739 1739  
1740 1740  (((
... ... @@ -1742,39 +1742,41 @@
1742 1742  )))
1743 1743  
1744 1744  (((
1745 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1789 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1746 1746  )))
1747 1747  
1748 1748  (((
1749 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1793 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1750 1750  )))
1751 1751  
1752 1752  (((
1753 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1797 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1754 1754  )))
1755 1755  
1756 1756  (((
1757 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1801 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1758 1758  )))
1759 1759  
1760 1760  (((
1761 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1805 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1762 1762  )))
1763 1763  
1764 1764  (((
1765 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1809 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1766 1766  )))
1767 1767  
1768 1768  (((
1769 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1813 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1770 1770  )))
1771 1771  
1772 1772  (((
1773 -(% 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.
1817 +(% 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.
1774 1774  )))
1775 1775  
1776 1776  (((
1777 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1821 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1822 +
1823 +
1778 1778  )))
1779 1779  
1780 1780  (((
... ... @@ -1796,6 +1796,7 @@
1796 1796  
1797 1797  )))
1798 1798  
1845 +
1799 1799  === 4.2.3 Change to Class A ===
1800 1800  
1801 1801  If sensor JOINED
... ... @@ -1807,19 +1807,25 @@
1807 1807  
1808 1808  == 5.1 How to upgrade the image? ==
1809 1809  
1857 +
1810 1810  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1811 1811  
1812 1812  * Support new features
1813 1813  * For bug fix
1814 1814  * Change LoRaWAN bands.
1863 +
1815 1815  Below shows the hardware connection for how to upload an image to the LT:
1816 -* [[image:1653359603330-121.png]]
1817 1817  
1866 +[[image:1653359603330-121.png]]
1867 +
1868 +
1818 1818  (((
1819 -**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]].
1820 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1821 -**Step3: **Open flashloader; choose the correct COM port to update.
1822 -**For LT-22222-L**:
1870 +(% 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]].
1871 +(% 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/]].
1872 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1873 +
1874 +
1875 +(% style="color:blue" %)**For LT-22222-L**(%%):
1823 1823  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.
1824 1824  )))
1825 1825  
... ... @@ -1829,6 +1829,7 @@
1829 1829  
1830 1830  [[image:image-20220524104033-15.png]]
1831 1831  
1885 +
1832 1832  (% 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:
1833 1833  
1834 1834  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1836,6 +1836,8 @@
1836 1836  
1837 1837  (((
1838 1838  (((
1893 +
1894 +
1839 1839  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1840 1840  )))
1841 1841  )))
... ... @@ -1842,11 +1842,11 @@
1842 1842  
1843 1843  (((
1844 1844  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1845 -
1846 -
1847 1847  )))
1848 1848  
1849 1849  (((
1904 +
1905 +
1850 1850  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1851 1851  )))
1852 1852  
... ... @@ -1859,6 +1859,8 @@
1859 1859  (((
1860 1860  (((
1861 1861  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1918 +
1919 +
1862 1862  )))
1863 1863  )))
1864 1864  
... ... @@ -1874,23 +1874,25 @@
1874 1874  (% 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.
1875 1875  )))
1876 1876  
1935 +
1877 1877  (((
1878 1878  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1879 1879  )))
1880 1880  
1881 1881  (((
1882 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1883 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1884 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1885 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1886 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1887 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1888 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1889 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1890 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1891 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1941 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1942 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1943 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1944 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1945 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1946 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1947 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1948 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1949 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1950 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1892 1892  )))
1893 1893  
1953 +
1894 1894  (((
1895 1895  As shown in below:
1896 1896  )))
... ... @@ -1907,11 +1907,11 @@
1907 1907  == 5.5 Can i use point to point communication for LT-22222-L? ==
1908 1908  
1909 1909  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1910 -
1911 -
1912 1912  )))
1913 1913  
1914 1914  (((
1973 +
1974 +
1915 1915  = 6. Trouble Shooting =
1916 1916  )))
1917 1917  
... ... @@ -1923,11 +1923,11 @@
1923 1923  
1924 1924  (((
1925 1925  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1926 -
1927 -
1928 1928  )))
1929 1929  
1930 1930  (((
1989 +
1990 +
1931 1931  == 6.2 Have trouble to upload image. ==
1932 1932  )))
1933 1933  
... ... @@ -1937,9 +1937,7 @@
1937 1937  
1938 1938  (((
1939 1939  
1940 -)))
1941 1941  
1942 -(((
1943 1943  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1944 1944  )))
1945 1945  
... ... @@ -1947,147 +1947,55 @@
1947 1947  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1948 1948  )))
1949 1949  
1950 -(((
1951 -
1952 -)))
1953 1953  
1954 -(((
2009 +
1955 1955  = 7. Order Info =
1956 -)))
1957 1957  
1958 -(((
1959 -(((
2012 +
1960 1960  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1961 -)))
1962 -)))
1963 1963  
1964 -(((
1965 -(((
2015 +
1966 1966  (% style="color:#4f81bd" %)**XXX:**
1967 -)))
1968 -)))
1969 1969  
1970 -(((
1971 -* (((
1972 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1973 -)))
1974 -)))
2018 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2019 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2020 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2021 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2022 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2023 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2024 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2025 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2026 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1975 1975  
1976 -(((
1977 -* (((
1978 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1979 -)))
1980 -)))
1981 -
1982 -(((
1983 -* (((
1984 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1985 -)))
1986 -)))
1987 -
1988 -(((
1989 -* (((
1990 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1991 -)))
1992 -)))
1993 -
1994 -(((
1995 -* (((
1996 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1997 -)))
1998 -)))
1999 -
2000 -(((
2001 -* (((
2002 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2003 -)))
2004 -)))
2005 -
2006 -(((
2007 -* (((
2008 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2009 -)))
2010 -)))
2011 -
2012 -(((
2013 -* (((
2014 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2015 -)))
2016 -)))
2017 -
2018 -(((
2019 -* (((
2020 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2021 -
2022 -
2023 -)))
2024 -
2025 2025  = 8. Packing Info =
2026 -)))
2027 2027  
2028 -(((
2029 -(((
2030 +
2030 2030  **Package Includes**:
2031 -)))
2032 -)))
2033 2033  
2034 -(((
2035 -(((
2036 2036  * LT-22222-L I/O Controller x 1
2037 2037  * Stick Antenna for LoRa RF part x 1
2038 2038  * Bracket for controller x1
2039 2039  * Program cable x 1
2040 -)))
2041 -)))
2042 2042  
2043 -(((
2044 -(((
2045 2045  **Dimension and weight**:
2046 -)))
2047 -)))
2048 2048  
2049 -(((
2050 -(((
2051 2051  * Device Size: 13.5 x 7 x 3 cm
2052 2052  * Device Weight: 105g
2053 2053  * Package Size / pcs : 14.5 x 8 x 5 cm
2054 2054  * Weight / pcs : 170g
2055 2055  
2056 -
2057 -)))
2058 -)))
2059 -
2060 -(((
2061 2061  = 9. Support =
2062 -)))
2063 2063  
2064 2064  * (((
2065 -(((
2066 2066  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.
2067 2067  )))
2068 -)))
2069 2069  * (((
2070 -(((
2071 -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
2051 +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]]
2072 2072  )))
2073 -)))
2074 2074  
2075 -(((
2076 -(((
2077 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2078 -
2079 -
2080 -)))
2081 -
2082 -(((
2083 2083  = 10. Reference​​​​​ =
2084 2084  
2085 -* Product Page:
2086 -
2087 -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]]
2088 -
2056 +* 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]]
2089 2089  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2090 2090  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2091 2091  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2092 -)))
2093 -)))

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