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

From version 77.27
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 ):
... ... @@ -981,10 +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 -
988 988  ==== 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.
... ... @@ -1003,7 +1003,6 @@
1003 1003  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
1004 1004  )))
1005 1005  
1006 -
1007 1007  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1008 1008  
1009 1009  * AT Command:
... ... @@ -1178,13 +1178,13 @@
1178 1178  
1179 1179  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1180 1180  
1181 -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]]
1182 1182  
1183 1183  * AT Command:
1184 1184  
1185 1185  (% class="box infomessage" %)
1186 1186  (((
1187 -**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]]**
1188 1188  )))
1189 1189  
1190 1190  * Downlink Payload (prefix 0xA5):
... ... @@ -1194,7 +1194,6 @@
1194 1194  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1195 1195  )))
1196 1196  
1197 -
1198 1198  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1199 1199  
1200 1200  * AT Command:
... ... @@ -1219,7 +1219,6 @@
1219 1219  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1220 1220  )))
1221 1221  
1222 -
1223 1223  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1224 1224  
1225 1225  Clear counting for counting mode
... ... @@ -1238,7 +1238,6 @@
1238 1238  **0x A6 01     ~/~/ clear all counting,**
1239 1239  )))
1240 1240  
1241 -
1242 1242  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1243 1243  
1244 1244  * AT Command:
... ... @@ -1257,8 +1257,6 @@
1257 1257  
1258 1258  (((
1259 1259  range: aa bb cc:0 to 16777215,  (unit:second)
1260 -
1261 -
1262 1262  )))
1263 1263  
1264 1264  == 3.5 Integrate with Mydevice ==
... ... @@ -1279,7 +1279,6 @@
1279 1279  
1280 1280  [[image:image-20220524094641-12.png||height="402" width="718"]]
1281 1281  
1282 -
1283 1283  **Step 3**: Create an account or log in Mydevices.
1284 1284  
1285 1285  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1288,7 +1288,6 @@
1288 1288  
1289 1289  [[image:1653356838789-523.png||height="337" width="740"]]
1290 1290  
1291 -
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"]]
... ... @@ -1301,7 +1301,6 @@
1301 1301  
1302 1302  [[image:image-20220524094909-5.png||height="341" width="734"]]
1303 1303  
1304 -
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 ) ===
... ... @@ -1310,7 +1310,6 @@
1310 1310  
1311 1311  [[image:1653356991268-289.png]]
1312 1312  
1313 -
1314 1314  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1315 1315  
1316 1316  (((
... ... @@ -1326,105 +1326,51 @@
1326 1326  [[image:1653357170703-587.png]]
1327 1327  
1328 1328  (((
1329 -(((
1330 1330  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1331 1331  )))
1332 -)))
1333 1333  
1334 -(((
1335 -
1336 -)))
1337 1337  
1338 -(((
1339 1339  **Example1**: Connect to a Low active sensor.
1340 -)))
1341 1341  
1342 -(((
1343 1343  This type of sensor will output a low signal GND when active.
1344 -)))
1345 1345  
1346 -* (((
1347 -Connect sensor’s output to DI1-
1348 -)))
1349 -* (((
1350 -Connect sensor’s VCC to DI1+.
1351 -)))
1265 +* Connect sensor’s output to DI1-
1266 +* Connect sensor’s VCC to DI1+.
1352 1352  
1353 -(((
1354 -So when sensor active, the current between NEC2501 pin1 and pin2 is:
1355 -)))
1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is: ​​
1356 1356  
1357 -(((
1358 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1359 -)))
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.**
1360 1360  
1361 -(((
1362 -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.
1363 -)))
1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1364 1364  
1365 -(((
1366 -
1367 -)))
1368 1368  
1369 -(((
1370 1370  **Example2**: Connect to a High active sensor.
1371 -)))
1372 1372  
1373 -(((
1374 1374  This type of sensor will output a high signal (example 24v) when active.
1375 -)))
1376 1376  
1377 -* (((
1378 -Connect sensor’s output to DI1+
1379 -)))
1380 -* (((
1381 -Connect sensor’s GND DI1-.
1382 -)))
1279 +* Connect sensor’s output to DI1+
1280 +* Connect sensor’s GND DI1-.
1383 1383  
1384 -(((
1385 1385  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1386 -)))
1387 1387  
1388 -(((
1389 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1390 -)))
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.**
1391 1391  
1392 -(((
1393 -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.
1394 -)))
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.
1395 1395  
1396 -(((
1397 -
1398 -)))
1399 1399  
1400 -(((
1401 1401  **Example3**: Connect to a 220v high active sensor.
1402 -)))
1403 1403  
1404 -(((
1405 1405  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1406 -)))
1407 1407  
1408 -* (((
1409 -Connect sensor’s output to DI1+ with a serial 50K resistor
1410 -)))
1411 -* (((
1412 -Connect sensor’s GND DI1-.
1413 -)))
1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 +* Connect sensor’s GND DI1-.
1414 1414  
1415 -(((
1416 1416  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1417 -)))
1418 1418  
1419 -(((
1420 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1421 -)))
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.**
1422 1422  
1423 -(((
1424 -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.
1425 -)))
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.
1426 1426  
1427 -
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.
... ... @@ -1431,7 +1431,6 @@
1431 1431  
1432 1432  [[image:1653357531600-905.png]]
1433 1433  
1434 -
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:
... ... @@ -1459,7 +1459,6 @@
1459 1459  
1460 1460  [[image:1653357648330-671.png||height="155" width="733"]]
1461 1461  
1462 -
1463 1463  === 3.6.5 Relay Output ===
1464 1464  
1465 1465  (((
... ... @@ -1470,12 +1470,10 @@
1470 1470  
1471 1471  [[image:image-20220524100215-10.png||height="382" width="723"]]
1472 1472  
1473 -
1474 1474  == 3.7 LEDs Indicators ==
1475 1475  
1476 1476  [[image:image-20220524100748-11.png]]
1477 1477  
1478 -
1479 1479  = 4. Use AT Command =
1480 1480  
1481 1481  == 4.1 Access AT Command ==
... ... @@ -1676,8 +1676,6 @@
1676 1676  
1677 1677  (((
1678 1678  AT+CFG: Print all settings
1679 -
1680 -
1681 1681  )))
1682 1682  
1683 1683  == 4.2 Common AT Command Sequence ==
... ... @@ -1719,8 +1719,6 @@
1719 1719  
1720 1720  (((
1721 1721  (% style="background-color:#dcdcdc" %)ATZ
1722 -
1723 -
1724 1724  )))
1725 1725  
1726 1726  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1802,7 +1802,6 @@
1802 1802  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1803 1803  ATZ
1804 1804  
1805 -
1806 1806  = 5. FAQ =
1807 1807  
1808 1808  == 5.1 How to upgrade the image? ==
... ... @@ -1833,7 +1833,6 @@
1833 1833  
1834 1834  [[image:1653360054704-518.png||height="186" width="745"]]
1835 1835  
1836 -
1837 1837  (((
1838 1838  (((
1839 1839  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1842,8 +1842,6 @@
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  (((
... ... @@ -1897,18 +1897,10 @@
1897 1897  
1898 1898  [[image:1653360498588-932.png||height="485" width="726"]]
1899 1899  
1900 -
1901 1901  == 5.4 Can I see counting event in Serial? ==
1902 1902  
1903 1903  (((
1904 1904  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.
1905 -
1906 -
1907 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1908 -
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  (((
... ... @@ -1922,8 +1922,10 @@
1922 1922  )))
1923 1923  
1924 1924  (((
1925 -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:
1926 1926  
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 +
1927 1927  
1928 1928  )))
1929 1929  
... ... @@ -1932,7 +1932,9 @@
1932 1932  )))
1933 1933  
1934 1934  (((
1935 -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/]]
1936 1936  )))
1937 1937  
1938 1938  (((
... ... @@ -1944,7 +1944,9 @@
1944 1944  )))
1945 1945  
1946 1946  (((
1947 -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]]
1948 1948  )))
1949 1949  
1950 1950  (((
... ... @@ -2018,8 +2018,6 @@
2018 2018  (((
2019 2019  * (((
2020 2020  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2021 -
2022 -
2023 2023  )))
2024 2024  
2025 2025  = 8. Packing Info =
... ... @@ -2052,8 +2052,6 @@
2052 2052  * Device Weight: 105g
2053 2053  * Package Size / pcs : 14.5 x 8 x 5 cm
2054 2054  * Weight / pcs : 170g
2055 -
2056 -
2057 2057  )))
2058 2058  )))
2059 2059  
... ... @@ -2075,8 +2075,6 @@
2075 2075  (((
2076 2076  (((
2077 2077   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2078 -
2079 -
2080 2080  )))
2081 2081  
2082 2082  (((
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