Last modified by Mengting Qiu on 2025/06/04 18:42

From version 77.30
edited by Xiaoling
on 2022/06/10 08:41
Change comment: There is no comment for this version
To version 68.18
edited by Xiaoling
on 2022/05/25 15:23
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,15 +11,12 @@
11 11  
12 12  
13 13  
14 -
15 -
16 -
17 17  = 1.Introduction =
18 18  
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
23 23  )))
24 24  
25 25  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
31 31  )))
32 32  
33 33  (((
... ... @@ -51,8 +51,6 @@
51 51  == 1.2  Specifications ==
52 52  
53 53  (((
54 -
55 -
56 56  **Hardware System:**
57 57  )))
58 58  
... ... @@ -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
... ... @@ -177,7 +177,6 @@
177 177  * Counting
178 178  
179 179  
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -188,7 +188,6 @@
188 188  * Smart Factory
189 189  
190 190  
191 -
192 192  == 1.5 Hardware Variants ==
193 193  
194 194  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -215,7 +215,6 @@
215 215  [[image:1653297104069-180.png]]
216 216  
217 217  
218 -
219 219  = 3. Operation Mode =
220 220  
221 221  == 3.1 How it works? ==
... ... @@ -230,8 +230,6 @@
230 230  
231 231  )))
232 232  
233 -
234 -
235 235  == 3.2 Example to join LoRaWAN network ==
236 236  
237 237  (((
... ... @@ -273,7 +273,6 @@
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
274 274  
275 275  
276 -
277 277  == 3.3 Uplink Payload ==
278 278  
279 279  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -286,7 +286,6 @@
286 286  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
288 288  
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.
... ... @@ -432,8 +432,6 @@
432 432  )))
433 433  )))
434 434  
435 -
436 -
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
439 439  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -474,12 +474,8 @@
474 474  
475 475  (((
476 476  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
477 -
478 -
479 479  )))
480 480  
481 -
482 -
483 483  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
484 484  
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -560,8 +560,6 @@
560 560  )))
561 561  )))
562 562  
563 -
564 -
565 565  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
566 566  
567 567  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -602,12 +602,8 @@
602 602  
603 603  (((
604 604  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
605 -
606 -
607 607  )))
608 608  
609 -
610 -
611 611  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
612 612  
613 613  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -634,7 +634,6 @@
634 634  
635 635  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
636 636  
637 -
638 638  (% style="color:#4f81bd" %)**Trigger base on current**:
639 639  
640 640  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -643,7 +643,6 @@
643 643  
644 644  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
645 645  
646 -
647 647  (% style="color:#4f81bd" %)**Trigger base on DI status**:
648 648  
649 649  DI status trigger Flag.
... ... @@ -730,18 +730,12 @@
730 730  
731 731  When device got this command, it will send the MOD6 payload.
732 732  
733 -
734 -
735 735  === 3.3.7 Payload Decoder ===
736 736  
737 737  (((
738 738  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
739 -
740 -
741 741  )))
742 742  
743 -
744 -
745 745  == 3.4 ​Configure LT via AT or Downlink ==
746 746  
747 747  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -750,18 +750,14 @@
750 750  There are two kinds of Commands:
751 751  )))
752 752  
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]]
714 +* (% 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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
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]]
762 762  
763 -
764 -
765 765  === 3.4.2 Sensor related commands ===
766 766  
767 767  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -784,8 +784,6 @@
784 784  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
785 785  )))
786 786  
787 -
788 -
789 789  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
790 790  
791 791  Set work mode.
... ... @@ -806,8 +806,6 @@
806 806  **0x0A aa     ~/~/ Same as AT+MOD=aa**
807 807  )))
808 808  
809 -
810 -
811 811  ==== 3.4.2.3 Poll an uplink ====
812 812  
813 813  * AT Command:
... ... @@ -823,11 +823,9 @@
823 823  
824 824  **Example**: 0x08FF, ask device to send an Uplink
825 825  
826 -
827 -
828 828  ==== 3.4.2.4 Enable Trigger Mode ====
829 829  
830 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
781 +Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
831 831  
832 832  * AT Command:
833 833  
... ... @@ -847,8 +847,6 @@
847 847  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
848 848  )))
849 849  
850 -
851 -
852 852  ==== 3.4.2.5 Poll trigger settings ====
853 853  
854 854  Poll trigger settings,
... ... @@ -864,8 +864,6 @@
864 864  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
865 865  )))
866 866  
867 -
868 -
869 869  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
870 870  
871 871  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -888,8 +888,6 @@
888 888  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
889 889  )))
890 890  
891 -
892 -
893 893  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
894 894  
895 895  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -916,8 +916,6 @@
916 916  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
917 917  )))
918 918  
919 -
920 -
921 921  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
922 922  
923 923  Set DI2 trigger.
... ... @@ -944,11 +944,9 @@
944 944  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
945 945  )))
946 946  
947 -
948 -
949 949  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
950 950  
951 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
892 +Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
952 952  
953 953  * AT Command:
954 954  
... ... @@ -961,20 +961,18 @@
961 961  
962 962  (% class="box infomessage" %)
963 963  (((
964 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
905 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
965 965  )))
966 966  
967 -
968 -
969 969  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
970 970  
971 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
910 +Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
972 972  
973 973  * AT Command:
974 974  
975 975  (% class="box infomessage" %)
976 976  (((
977 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
916 +**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
978 978  )))
979 979  
980 980  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -981,11 +981,9 @@
981 981  
982 982  (% class="box infomessage" %)
983 983  (((
984 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
923 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
985 985  )))
986 986  
987 -
988 -
989 989  ==== 3.4.2.11 Trigger – Set minimum interval ====
990 990  
991 991  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -1004,8 +1004,6 @@
1004 1004  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
1005 1005  )))
1006 1006  
1007 -
1008 -
1009 1009  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1010 1010  
1011 1011  * AT Command:
... ... @@ -1038,7 +1038,6 @@
1038 1038  )))
1039 1039  
1040 1040  
1041 -
1042 1042  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1043 1043  
1044 1044  * AT Command:
... ... @@ -1181,13 +1181,13 @@
1181 1181  
1182 1182  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1183 1183  
1184 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1118 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1185 1185  
1186 1186  * AT Command:
1187 1187  
1188 1188  (% class="box infomessage" %)
1189 1189  (((
1190 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1124 +**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1191 1191  )))
1192 1192  
1193 1193  * Downlink Payload (prefix 0xA5):
... ... @@ -1197,7 +1197,6 @@
1197 1197  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1198 1198  )))
1199 1199  
1200 -
1201 1201  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1202 1202  
1203 1203  * AT Command:
... ... @@ -1222,7 +1222,6 @@
1222 1222  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1223 1223  )))
1224 1224  
1225 -
1226 1226  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1227 1227  
1228 1228  Clear counting for counting mode
... ... @@ -1241,7 +1241,6 @@
1241 1241  **0x A6 01     ~/~/ clear all counting,**
1242 1242  )))
1243 1243  
1244 -
1245 1245  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1246 1246  
1247 1247  * AT Command:
... ... @@ -1260,8 +1260,6 @@
1260 1260  
1261 1261  (((
1262 1262  range: aa bb cc:0 to 16777215,  (unit:second)
1263 -
1264 -
1265 1265  )))
1266 1266  
1267 1267  == 3.5 Integrate with Mydevice ==
... ... @@ -1282,7 +1282,6 @@
1282 1282  
1283 1283  [[image:image-20220524094641-12.png||height="402" width="718"]]
1284 1284  
1285 -
1286 1286  **Step 3**: Create an account or log in Mydevices.
1287 1287  
1288 1288  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1291,7 +1291,6 @@
1291 1291  
1292 1292  [[image:1653356838789-523.png||height="337" width="740"]]
1293 1293  
1294 -
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"]]
... ... @@ -1304,7 +1304,6 @@
1304 1304  
1305 1305  [[image:image-20220524094909-5.png||height="341" width="734"]]
1306 1306  
1307 -
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 ) ===
... ... @@ -1313,7 +1313,6 @@
1313 1313  
1314 1314  [[image:1653356991268-289.png]]
1315 1315  
1316 -
1317 1317  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1318 1318  
1319 1319  (((
... ... @@ -1329,105 +1329,51 @@
1329 1329  [[image:1653357170703-587.png]]
1330 1330  
1331 1331  (((
1332 -(((
1333 1333  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1334 1334  )))
1335 -)))
1336 1336  
1337 -(((
1338 -
1339 -)))
1340 1340  
1341 -(((
1342 1342  **Example1**: Connect to a Low active sensor.
1343 -)))
1344 1344  
1345 -(((
1346 1346  This type of sensor will output a low signal GND when active.
1347 -)))
1348 1348  
1349 -* (((
1350 -Connect sensor’s output to DI1-
1351 -)))
1352 -* (((
1353 -Connect sensor’s VCC to DI1+.
1354 -)))
1265 +* Connect sensor’s output to DI1-
1266 +* Connect sensor’s VCC to DI1+.
1355 1355  
1356 -(((
1357 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1358 -)))
1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is: ​​
1359 1359  
1360 -(((
1361 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1362 -)))
1270 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1363 1363  
1364 -(((
1365 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1366 -)))
1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1367 1367  
1368 -(((
1369 -
1370 -)))
1371 1371  
1372 -(((
1373 1373  **Example2**: Connect to a High active sensor.
1374 -)))
1375 1375  
1376 -(((
1377 1377  This type of sensor will output a high signal (example 24v) when active.
1378 -)))
1379 1379  
1380 -* (((
1381 -Connect sensor’s output to DI1+
1382 -)))
1383 -* (((
1384 -Connect sensor’s GND DI1-.
1385 -)))
1279 +* Connect sensor’s output to DI1+
1280 +* Connect sensor’s GND DI1-.
1386 1386  
1387 -(((
1388 1388  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1389 -)))
1390 1390  
1391 -(((
1392 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1393 -)))
1284 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1394 1394  
1395 -(((
1396 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1397 -)))
1286 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1398 1398  
1399 -(((
1400 -
1401 -)))
1402 1402  
1403 -(((
1404 1404  **Example3**: Connect to a 220v high active sensor.
1405 -)))
1406 1406  
1407 -(((
1408 1408  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1409 -)))
1410 1410  
1411 -* (((
1412 -Connect sensor’s output to DI1+ with a serial 50K resistor
1413 -)))
1414 -* (((
1415 -Connect sensor’s GND DI1-.
1416 -)))
1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 +* Connect sensor’s GND DI1-.
1417 1417  
1418 -(((
1419 1419  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1420 -)))
1421 1421  
1422 -(((
1423 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1424 -)))
1298 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1425 1425  
1426 -(((
1427 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1428 -)))
1300 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1429 1429  
1430 -
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.
... ... @@ -1434,7 +1434,6 @@
1434 1434  
1435 1435  [[image:1653357531600-905.png]]
1436 1436  
1437 -
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:
... ... @@ -1462,7 +1462,6 @@
1462 1462  
1463 1463  [[image:1653357648330-671.png||height="155" width="733"]]
1464 1464  
1465 -
1466 1466  === 3.6.5 Relay Output ===
1467 1467  
1468 1468  (((
... ... @@ -1473,12 +1473,10 @@
1473 1473  
1474 1474  [[image:image-20220524100215-10.png||height="382" width="723"]]
1475 1475  
1476 -
1477 1477  == 3.7 LEDs Indicators ==
1478 1478  
1479 1479  [[image:image-20220524100748-11.png]]
1480 1480  
1481 -
1482 1482  = 4. Use AT Command =
1483 1483  
1484 1484  == 4.1 Access AT Command ==
... ... @@ -1679,8 +1679,6 @@
1679 1679  
1680 1680  (((
1681 1681  AT+CFG: Print all settings
1682 -
1683 -
1684 1684  )))
1685 1685  
1686 1686  == 4.2 Common AT Command Sequence ==
... ... @@ -1722,8 +1722,6 @@
1722 1722  
1723 1723  (((
1724 1724  (% style="background-color:#dcdcdc" %)ATZ
1725 -
1726 -
1727 1727  )))
1728 1728  
1729 1729  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1805,7 +1805,6 @@
1805 1805  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1806 1806  ATZ
1807 1807  
1808 -
1809 1809  = 5. FAQ =
1810 1810  
1811 1811  == 5.1 How to upgrade the image? ==
... ... @@ -1836,7 +1836,6 @@
1836 1836  
1837 1837  [[image:1653360054704-518.png||height="186" width="745"]]
1838 1838  
1839 -
1840 1840  (((
1841 1841  (((
1842 1842  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1845,8 +1845,6 @@
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  (((
... ... @@ -1900,18 +1900,10 @@
1900 1900  
1901 1901  [[image:1653360498588-932.png||height="485" width="726"]]
1902 1902  
1903 -
1904 1904  == 5.4 Can I see counting event in Serial? ==
1905 1905  
1906 1906  (((
1907 1907  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn’t support AT+DEBUG. User can update to latest firmware first.
1908 -
1909 -
1910 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1911 -
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  (((
... ... @@ -1925,8 +1925,10 @@
1925 1925  )))
1926 1926  
1927 1927  (((
1928 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1779 +Please see this link for how to debug:
1929 1929  
1781 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1782 +
1930 1930  
1931 1931  )))
1932 1932  
... ... @@ -1935,7 +1935,9 @@
1935 1935  )))
1936 1936  
1937 1937  (((
1938 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1791 +See this link for trouble shooting:
1792 +
1793 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1939 1939  )))
1940 1940  
1941 1941  (((
... ... @@ -1947,7 +1947,9 @@
1947 1947  )))
1948 1948  
1949 1949  (((
1950 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1805 +It might be about the channels mapping. Please see this link for detail:
1806 +
1807 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1951 1951  )))
1952 1952  
1953 1953  (((
... ... @@ -2021,8 +2021,6 @@
2021 2021  (((
2022 2022  * (((
2023 2023  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2024 -
2025 -
2026 2026  )))
2027 2027  
2028 2028  = 8. Packing Info =
... ... @@ -2055,8 +2055,6 @@
2055 2055  * Device Weight: 105g
2056 2056  * Package Size / pcs : 14.5 x 8 x 5 cm
2057 2057  * Weight / pcs : 170g
2058 -
2059 -
2060 2060  )))
2061 2061  )))
2062 2062  
... ... @@ -2078,8 +2078,6 @@
2078 2078  (((
2079 2079  (((
2080 2080   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2081 -
2082 -
2083 2083  )))
2084 2084  
2085 2085  (((
1653968155772-850.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -886 bytes
Content
1653968164738-884.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -886 bytes
Content
1653968172068-832.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -886 bytes
Content
image-20220531113415-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -172 bytes
Content