Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.30 >
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" %)
... ... @@ -957,6 +957,7 @@
957 957  **AT+ACLIM. **
958 958  )))
959 959  
954 +
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  
975 +
980 980  * Downlink Payload (prefix 0xAA 00 ):
981 981  
982 982  (% class="box infomessage" %)
... ... @@ -997,6 +997,7 @@
997 997  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
998 998  )))
999 999  
996 +
1000 1000  * Downlink Payload (prefix 0xAC ):
1001 1001  
1002 1002  (% class="box infomessage" %)
... ... @@ -1012,6 +1012,7 @@
1012 1012  
1013 1013  There is no AT Command to control Digital Output
1014 1014  
1012 +
1015 1015  * Downlink Payload (prefix 0x02):
1016 1016  
1017 1017  (% class="box infomessage" %)
... ... @@ -1045,6 +1045,7 @@
1045 1045  
1046 1046  There is no AT Command to control Digital Output
1047 1047  
1046 +
1048 1048  * Downlink Payload (prefix 0xA9):
1049 1049  
1050 1050  (% class="box infomessage" %)
... ... @@ -1064,18 +1064,22 @@
1064 1064  
1065 1065  00: DO pins will change to an inverter state after timeout 
1066 1066  
1066 +
1067 1067  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1068 1068  
1069 1069  [[image:image-20220524093238-6.png]]
1070 1070  
1071 +
1071 1071  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1072 1072  
1073 1073  [[image:image-20220524093328-7.png]]
1074 1074  
1076 +
1075 1075  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1076 1076  
1077 1077  [[image:image-20220524093351-8.png]]
1078 1078  
1081 +
1079 1079  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 1080  
1081 1081   Latching time. Unit: ms
... ... @@ -1082,6 +1082,7 @@
1082 1082  
1083 1083  Device will upload a packet if downlink code executes successfully.
1084 1084  
1088 +
1085 1085  **Example payload:**
1086 1086  
1087 1087  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1101,6 +1101,7 @@
1101 1101  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
1102 1102  
1103 1103  
1108 +
1104 1104  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1105 1105  
1106 1106  * AT Command:
... ... @@ -1107,6 +1107,7 @@
1107 1107  
1108 1108  There is no AT Command to control Relay Output
1109 1109  
1115 +
1110 1110  * Downlink Payload (prefix 0x03):
1111 1111  
1112 1112  (% class="box infomessage" %)
... ... @@ -1129,6 +1129,7 @@
1129 1129  Device will upload a packet if downlink code executes successfully.
1130 1130  
1131 1131  
1138 +
1132 1132  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1133 1133  
1134 1134  * AT Command:
... ... @@ -1135,6 +1135,7 @@
1135 1135  
1136 1136  There is no AT Command to control Relay Output
1137 1137  
1145 +
1138 1138  * Downlink Payload (prefix 0x05):
1139 1139  
1140 1140  (% class="box infomessage" %)
... ... @@ -1152,14 +1152,17 @@
1152 1152  
1153 1153  00: Relays will change to an inverter state after timeout
1154 1154  
1163 +
1155 1155  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1156 1156  
1157 1157  [[image:image-20220524093831-10.png]]
1158 1158  
1168 +
1159 1159  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1160 1160  
1161 1161  Device will upload a packet if downlink code executes successfully.
1162 1162  
1173 +
1163 1163  **Example payload:**
1164 1164  
1165 1165  **~1. 05 01 11 07 D0**
... ... @@ -1179,6 +1179,7 @@
1179 1179  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1180 1180  
1181 1181  
1193 +
1182 1182  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1183 1183  
1184 1184  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1190,6 +1190,7 @@
1190 1190  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1191 1191  )))
1192 1192  
1205 +
1193 1193  * Downlink Payload (prefix 0xA5):
1194 1194  
1195 1195  (% class="box infomessage" %)
... ... @@ -1198,6 +1198,7 @@
1198 1198  )))
1199 1199  
1200 1200  
1214 +
1201 1201  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1202 1202  
1203 1203  * AT Command:
... ... @@ -1215,6 +1215,7 @@
1215 1215  
1216 1216  Bb cc dd ee: number to be set
1217 1217  
1232 +
1218 1218  * Downlink Payload (prefix 0xA8):
1219 1219  
1220 1220  (% class="box infomessage" %)
... ... @@ -1223,6 +1223,7 @@
1223 1223  )))
1224 1224  
1225 1225  
1241 +
1226 1226  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1227 1227  
1228 1228  Clear counting for counting mode
... ... @@ -1242,6 +1242,7 @@
1242 1242  )))
1243 1243  
1244 1244  
1261 +
1245 1245  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1246 1246  
1247 1247  * AT Command:
... ... @@ -1264,16 +1264,17 @@
1264 1264  
1265 1265  )))
1266 1266  
1284 +
1267 1267  == 3.5 Integrate with Mydevice ==
1268 1268  
1269 1269  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:
1270 1270  
1271 1271  (((
1272 -**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.
1273 1273  )))
1274 1274  
1275 1275  (((
1276 -**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:
1277 1277  )))
1278 1278  
1279 1279  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1280,12 +1280,13 @@
1280 1280  
1281 1281  [[image:image-20220524094641-11.png||height="390" width="723"]]
1282 1282  
1301 +
1283 1283  [[image:image-20220524094641-12.png||height="402" width="718"]]
1284 1284  
1285 1285  
1286 -**Step 3**: Create an account or log in Mydevices.
1305 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1287 1287  
1288 -**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" %)
1289 1289  
1290 1290  Search under The things network
1291 1291  
... ... @@ -1292,19 +1292,25 @@
1292 1292  [[image:1653356838789-523.png||height="337" width="740"]]
1293 1293  
1294 1294  
1314 +
1295 1295  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1296 1296  
1297 1297  [[image:image-20220524094909-1.png||height="335" width="729"]]
1298 1298  
1319 +
1299 1299  [[image:image-20220524094909-2.png||height="337" width="729"]]
1300 1300  
1322 +
1301 1301  [[image:image-20220524094909-3.png||height="338" width="727"]]
1302 1302  
1325 +
1303 1303  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1304 1304  
1328 +
1305 1305  [[image:image-20220524094909-5.png||height="341" width="734"]]
1306 1306  
1307 1307  
1332 +
1308 1308  == 3.6 Interface Detail ==
1309 1309  
1310 1310  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1314,6 +1314,7 @@
1314 1314  [[image:1653356991268-289.png]]
1315 1315  
1316 1316  
1342 +
1317 1317  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1318 1318  
1319 1319  (((
... ... @@ -1339,7 +1339,7 @@
1339 1339  )))
1340 1340  
1341 1341  (((
1342 -**Example1**: Connect to a Low active sensor.
1368 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1343 1343  )))
1344 1344  
1345 1345  (((
... ... @@ -1370,7 +1370,7 @@
1370 1370  )))
1371 1371  
1372 1372  (((
1373 -**Example2**: Connect to a High active sensor.
1399 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1374 1374  )))
1375 1375  
1376 1376  (((
... ... @@ -1401,7 +1401,7 @@
1401 1401  )))
1402 1402  
1403 1403  (((
1404 -**Example3**: Connect to a 220v high active sensor.
1430 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1405 1405  )))
1406 1406  
1407 1407  (((
... ... @@ -1428,6 +1428,7 @@
1428 1428  )))
1429 1429  
1430 1430  
1457 +
1431 1431  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1432 1432  
1433 1433  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1435,12 +1435,14 @@
1435 1435  [[image:1653357531600-905.png]]
1436 1436  
1437 1437  
1465 +
1438 1438  === 3.6.4 Analog Input Interface ===
1439 1439  
1440 1440  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:
1441 1441  
1442 -**AC2 = (IN2 voltage )/12**
1443 1443  
1471 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1472 +
1444 1444  [[image:1653357592296-182.png]]
1445 1445  
1446 1446  Example to connect a 4~~20mA sensor
... ... @@ -1447,22 +1447,24 @@
1447 1447  
1448 1448  We take the wind speed sensor as an example for reference only.
1449 1449  
1450 -Specifications of the wind speed sensor:
1451 1451  
1452 -Red:12~~24v
1480 +**Specifications of the wind speed sensor:**
1453 1453  
1454 -Yellow:4~~20mA
1482 +Red:  12~~24v
1455 1455  
1456 -Black:GND
1484 +Yellow:  4~~20mA
1457 1457  
1486 +Black:  GND
1458 1458  
1459 -Connection diagram:
1460 1460  
1489 +**Connection diagram:**
1490 +
1461 1461  [[image:1653357640609-758.png]]
1462 1462  
1463 1463  [[image:1653357648330-671.png||height="155" width="733"]]
1464 1464  
1465 1465  
1496 +
1466 1466  === 3.6.5 Relay Output ===
1467 1467  
1468 1468  (((
... ... @@ -1474,6 +1474,7 @@
1474 1474  [[image:image-20220524100215-10.png||height="382" width="723"]]
1475 1475  
1476 1476  
1508 +
1477 1477  == 3.7 LEDs Indicators ==
1478 1478  
1479 1479  [[image:image-20220524100748-11.png]]
... ... @@ -1487,6 +1487,7 @@
1487 1487  
1488 1488  [[image:1653358238933-385.png]]
1489 1489  
1522 +
1490 1490  (((
1491 1491  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:
1492 1492  )))
... ... @@ -1493,6 +1493,7 @@
1493 1493  
1494 1494  [[image:1653358355238-883.png]]
1495 1495  
1529 +
1496 1496  (((
1497 1497  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/]]
1498 1498  )))
... ... @@ -1683,12 +1683,16 @@
1683 1683  
1684 1684  )))
1685 1685  
1720 +
1721 +
1686 1686  == 4.2 Common AT Command Sequence ==
1687 1687  
1688 1688  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1689 1689  
1690 1690  (((
1691 -If device has not joined network yet:
1727 +
1728 +
1729 +**If device has not joined network yet:**
1692 1692  )))
1693 1693  
1694 1694  (((
... ... @@ -1713,7 +1713,7 @@
1713 1713  
1714 1714  
1715 1715  (((
1716 -If device already joined network:
1754 +**If device already joined network:**
1717 1717  )))
1718 1718  
1719 1719  (((
... ... @@ -1726,10 +1726,14 @@
1726 1726  
1727 1727  )))
1728 1728  
1767 +
1768 +
1729 1729  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1730 1730  
1731 1731  (((
1732 -(% 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.
1733 1733  )))
1734 1734  
1735 1735  (((
... ... @@ -1737,7 +1737,7 @@
1737 1737  )))
1738 1738  
1739 1739  (((
1740 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1782 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1741 1741  )))
1742 1742  
1743 1743  (((
... ... @@ -1745,39 +1745,41 @@
1745 1745  )))
1746 1746  
1747 1747  (((
1748 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1790 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1749 1749  )))
1750 1750  
1751 1751  (((
1752 -(% 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
1753 1753  )))
1754 1754  
1755 1755  (((
1756 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1798 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1757 1757  )))
1758 1758  
1759 1759  (((
1760 -(% 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
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -(% 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
1765 1765  )))
1766 1766  
1767 1767  (((
1768 -(% 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)
1769 1769  )))
1770 1770  
1771 1771  (((
1772 -(% 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
1773 1773  )))
1774 1774  
1775 1775  (((
1776 -(% 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.
1777 1777  )))
1778 1778  
1779 1779  (((
1780 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1822 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1823 +
1824 +
1781 1781  )))
1782 1782  
1783 1783  (((
... ... @@ -1799,6 +1799,7 @@
1799 1799  
1800 1800  )))
1801 1801  
1846 +
1802 1802  === 4.2.3 Change to Class A ===
1803 1803  
1804 1804  If sensor JOINED
... ... @@ -1810,19 +1810,25 @@
1810 1810  
1811 1811  == 5.1 How to upgrade the image? ==
1812 1812  
1858 +
1813 1813  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1814 1814  
1815 1815  * Support new features
1816 1816  * For bug fix
1817 1817  * Change LoRaWAN bands.
1864 +
1818 1818  Below shows the hardware connection for how to upload an image to the LT:
1819 -* [[image:1653359603330-121.png]]
1820 1820  
1867 +[[image:1653359603330-121.png]]
1868 +
1869 +
1821 1821  (((
1822 -**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]].
1823 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1824 -**Step3: **Open flashloader; choose the correct COM port to update.
1825 -**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**(%%):
1826 1826  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.
1827 1827  )))
1828 1828  
... ... @@ -1832,6 +1832,7 @@
1832 1832  
1833 1833  [[image:image-20220524104033-15.png]]
1834 1834  
1886 +
1835 1835  (% 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:
1836 1836  
1837 1837  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1839,6 +1839,8 @@
1839 1839  
1840 1840  (((
1841 1841  (((
1894 +
1895 +
1842 1842  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1843 1843  )))
1844 1844  )))
... ... @@ -1845,11 +1845,11 @@
1845 1845  
1846 1846  (((
1847 1847  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1848 -
1849 -
1850 1850  )))
1851 1851  
1852 1852  (((
1905 +
1906 +
1853 1853  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1854 1854  )))
1855 1855  
... ... @@ -1862,6 +1862,8 @@
1862 1862  (((
1863 1863  (((
1864 1864  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1919 +
1920 +
1865 1865  )))
1866 1866  )))
1867 1867  
... ... @@ -1877,23 +1877,25 @@
1877 1877  (% 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.
1878 1878  )))
1879 1879  
1936 +
1880 1880  (((
1881 1881  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1882 1882  )))
1883 1883  
1884 1884  (((
1885 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1886 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1887 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1888 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1889 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1890 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1891 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1892 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1893 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1894 -(% 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
1895 1895  )))
1896 1896  
1954 +
1897 1897  (((
1898 1898  As shown in below:
1899 1899  )))
... ... @@ -1910,11 +1910,11 @@
1910 1910  == 5.5 Can i use point to point communication for LT-22222-L? ==
1911 1911  
1912 1912  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1913 -
1914 -
1915 1915  )))
1916 1916  
1917 1917  (((
1974 +
1975 +
1918 1918  = 6. Trouble Shooting =
1919 1919  )))
1920 1920  
... ... @@ -1926,11 +1926,11 @@
1926 1926  
1927 1927  (((
1928 1928  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1929 -
1930 -
1931 1931  )))
1932 1932  
1933 1933  (((
1990 +
1991 +
1934 1934  == 6.2 Have trouble to upload image. ==
1935 1935  )))
1936 1936  
... ... @@ -1940,9 +1940,7 @@
1940 1940  
1941 1941  (((
1942 1942  
1943 -)))
1944 1944  
1945 -(((
1946 1946  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1947 1947  )))
1948 1948  
... ... @@ -1950,147 +1950,55 @@
1950 1950  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1951 1951  )))
1952 1952  
1953 -(((
1954 -
1955 -)))
1956 1956  
1957 -(((
2010 +
1958 1958  = 7. Order Info =
1959 -)))
1960 1960  
1961 -(((
1962 -(((
2013 +
1963 1963  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1964 -)))
1965 -)))
1966 1966  
1967 -(((
1968 -(((
2016 +
1969 1969  (% style="color:#4f81bd" %)**XXX:**
1970 -)))
1971 -)))
1972 1972  
1973 -(((
1974 -* (((
1975 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1976 -)))
1977 -)))
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
1978 1978  
1979 -(((
1980 -* (((
1981 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1982 -)))
1983 -)))
1984 -
1985 -(((
1986 -* (((
1987 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1988 -)))
1989 -)))
1990 -
1991 -(((
1992 -* (((
1993 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1994 -)))
1995 -)))
1996 -
1997 -(((
1998 -* (((
1999 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2000 -)))
2001 -)))
2002 -
2003 -(((
2004 -* (((
2005 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2006 -)))
2007 -)))
2008 -
2009 -(((
2010 -* (((
2011 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2012 -)))
2013 -)))
2014 -
2015 -(((
2016 -* (((
2017 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2018 -)))
2019 -)))
2020 -
2021 -(((
2022 -* (((
2023 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2024 -
2025 -
2026 -)))
2027 -
2028 2028  = 8. Packing Info =
2029 -)))
2030 2030  
2031 -(((
2032 -(((
2031 +
2033 2033  **Package Includes**:
2034 -)))
2035 -)))
2036 2036  
2037 -(((
2038 -(((
2039 2039  * LT-22222-L I/O Controller x 1
2040 2040  * Stick Antenna for LoRa RF part x 1
2041 2041  * Bracket for controller x1
2042 2042  * Program cable x 1
2043 -)))
2044 -)))
2045 2045  
2046 -(((
2047 -(((
2048 2048  **Dimension and weight**:
2049 -)))
2050 -)))
2051 2051  
2052 -(((
2053 -(((
2054 2054  * Device Size: 13.5 x 7 x 3 cm
2055 2055  * Device Weight: 105g
2056 2056  * Package Size / pcs : 14.5 x 8 x 5 cm
2057 2057  * Weight / pcs : 170g
2058 2058  
2059 -
2060 -)))
2061 -)))
2062 -
2063 -(((
2064 2064  = 9. Support =
2065 -)))
2066 2066  
2067 2067  * (((
2068 -(((
2069 2069  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.
2070 2070  )))
2071 -)))
2072 2072  * (((
2073 -(((
2074 -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]]
2075 2075  )))
2076 -)))
2077 2077  
2078 -(((
2079 -(((
2080 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2081 -
2082 -
2083 -)))
2084 -
2085 -(((
2086 2086  = 10. Reference​​​​​ =
2087 2087  
2088 -* Product Page:
2089 -
2090 -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]]
2091 -
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]]
2092 2092  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2093 2093  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2094 2094  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2095 -)))
2096 -)))

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