Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.19 >
edited by Xiaoling
on 2022/06/10 08:40
To version < 68.8 >
edited by Xiaoling
on 2022/05/25 14:54
>
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  (((
... ... @@ -44,15 +44,11 @@
44 44  
45 45  (((
46 46  [[image:1653295757274-912.png]]
47 -
48 -
49 49  )))
50 50  
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  )))
... ... @@ -160,12 +160,8 @@
160 160  )))
161 161  * (((
162 162  Packet engine up to 256 bytes with CRC.
163 -
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.
... ... @@ -214,8 +214,6 @@
214 214  
215 215  [[image:1653297104069-180.png]]
216 216  
217 -
218 -
219 219  = 3. Operation Mode =
220 220  
221 221  == 3.1 How it works? ==
... ... @@ -226,12 +226,8 @@
226 226  
227 227  (((
228 228  In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
229 -
230 -
231 231  )))
232 232  
233 -
234 -
235 235  == 3.2 Example to join LoRaWAN network ==
236 236  
237 237  (((
... ... @@ -260,12 +260,10 @@
260 260  
261 261  [[image:1653297955910-247.png||height="321" width="716"]]
262 262  
263 -
264 264  Add APP KEY and DEV EUI
265 265  
266 266  [[image:1653298023685-319.png]]
267 267  
268 -
269 269  (((
270 270  **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
271 271  )))
... ... @@ -272,8 +272,6 @@
272 272  
273 273  [[image:1653298044601-602.png||height="405" width="709"]]
274 274  
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:
... ... @@ -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.
... ... @@ -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]]
699 +* (% 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 -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]]
705 +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>>End Device AT Commands and Downlink Command]]
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.
... ... @@ -806,7 +806,6 @@
806 806  **0x0A aa     ~/~/ Same as AT+MOD=aa**
807 807  )))
808 808  
809 -
810 810  ==== 3.4.2.3 Poll an uplink ====
811 811  
812 812  * AT Command:
... ... @@ -822,10 +822,9 @@
822 822  
823 823  **Example**: 0x08FF, ask device to send an Uplink
824 824  
825 -
826 826  ==== 3.4.2.4 Enable Trigger Mode ====
827 827  
828 -Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
766 +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]]
829 829  
830 830  * AT Command:
831 831  
... ... @@ -845,7 +845,6 @@
845 845  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
846 846  )))
847 847  
848 -
849 849  ==== 3.4.2.5 Poll trigger settings ====
850 850  
851 851  Poll trigger settings,
... ... @@ -861,7 +861,6 @@
861 861  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
862 862  )))
863 863  
864 -
865 865  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
866 866  
867 867  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -884,7 +884,6 @@
884 884  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
885 885  )))
886 886  
887 -
888 888  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
889 889  
890 890  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -911,7 +911,6 @@
911 911  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
912 912  )))
913 913  
914 -
915 915  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
916 916  
917 917  Set DI2 trigger.
... ... @@ -938,10 +938,9 @@
938 938  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
939 939  )))
940 940  
941 -
942 942  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
943 943  
944 -Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
877 +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]]
945 945  
946 946  * AT Command:
947 947  
... ... @@ -954,19 +954,18 @@
954 954  
955 955  (% class="box infomessage" %)
956 956  (((
957 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
890 +**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]]**
958 958  )))
959 959  
960 -
961 961  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
962 962  
963 -Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
895 +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]]
964 964  
965 965  * AT Command:
966 966  
967 967  (% class="box infomessage" %)
968 968  (((
969 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
901 +**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]]**
970 970  )))
971 971  
972 972  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -973,10 +973,9 @@
973 973  
974 974  (% class="box infomessage" %)
975 975  (((
976 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
908 +**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]] **
977 977  )))
978 978  
979 -
980 980  ==== 3.4.2.11 Trigger – Set minimum interval ====
981 981  
982 982  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -995,7 +995,6 @@
995 995  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
996 996  )))
997 997  
998 -
999 999  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1000 1000  
1001 1001  * AT Command:
... ... @@ -1170,13 +1170,13 @@
1170 1170  
1171 1171  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1172 1172  
1173 -When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1103 +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]]
1174 1174  
1175 1175  * AT Command:
1176 1176  
1177 1177  (% class="box infomessage" %)
1178 1178  (((
1179 -**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1109 +**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]]**
1180 1180  )))
1181 1181  
1182 1182  * Downlink Payload (prefix 0xA5):
... ... @@ -1186,7 +1186,6 @@
1186 1186  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1187 1187  )))
1188 1188  
1189 -
1190 1190  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1191 1191  
1192 1192  * AT Command:
... ... @@ -1211,7 +1211,6 @@
1211 1211  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1212 1212  )))
1213 1213  
1214 -
1215 1215  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1216 1216  
1217 1217  Clear counting for counting mode
... ... @@ -1230,7 +1230,6 @@
1230 1230  **0x A6 01     ~/~/ clear all counting,**
1231 1231  )))
1232 1232  
1233 -
1234 1234  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1235 1235  
1236 1236  * AT Command:
... ... @@ -1249,8 +1249,6 @@
1249 1249  
1250 1250  (((
1251 1251  range: aa bb cc:0 to 16777215,  (unit:second)
1252 -
1253 -
1254 1254  )))
1255 1255  
1256 1256  == 3.5 Integrate with Mydevice ==
... ... @@ -1271,7 +1271,6 @@
1271 1271  
1272 1272  [[image:image-20220524094641-12.png||height="402" width="718"]]
1273 1273  
1274 -
1275 1275  **Step 3**: Create an account or log in Mydevices.
1276 1276  
1277 1277  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1280,7 +1280,6 @@
1280 1280  
1281 1281  [[image:1653356838789-523.png||height="337" width="740"]]
1282 1282  
1283 -
1284 1284  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1285 1285  
1286 1286  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1293,7 +1293,6 @@
1293 1293  
1294 1294  [[image:image-20220524094909-5.png||height="341" width="734"]]
1295 1295  
1296 -
1297 1297  == 3.6 Interface Detail ==
1298 1298  
1299 1299  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1302,7 +1302,6 @@
1302 1302  
1303 1303  [[image:1653356991268-289.png]]
1304 1304  
1305 -
1306 1306  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1307 1307  
1308 1308  (((
... ... @@ -1318,105 +1318,51 @@
1318 1318  [[image:1653357170703-587.png]]
1319 1319  
1320 1320  (((
1321 -(((
1322 1322  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1323 1323  )))
1324 -)))
1325 1325  
1326 -(((
1327 -
1328 -)))
1329 1329  
1330 -(((
1331 1331  **Example1**: Connect to a Low active sensor.
1332 -)))
1333 1333  
1334 -(((
1335 1335  This type of sensor will output a low signal GND when active.
1336 -)))
1337 1337  
1338 -* (((
1339 -Connect sensor’s output to DI1-
1340 -)))
1341 -* (((
1342 -Connect sensor’s VCC to DI1+.
1343 -)))
1250 +* Connect sensor’s output to DI1-
1251 +* Connect sensor’s VCC to DI1+.
1344 1344  
1345 -(((
1346 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1347 -)))
1253 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1348 1348  
1349 -(((
1350 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1351 -)))
1255 +[[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:/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:/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:/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:/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:/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.**
1352 1352  
1353 -(((
1354 -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.
1355 -)))
1257 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1356 1356  
1357 -(((
1358 -
1359 -)))
1360 1360  
1361 -(((
1362 1362  **Example2**: Connect to a High active sensor.
1363 -)))
1364 1364  
1365 -(((
1366 1366  This type of sensor will output a high signal (example 24v) when active.
1367 -)))
1368 1368  
1369 -* (((
1370 -Connect sensor’s output to DI1+
1371 -)))
1372 -* (((
1373 -Connect sensor’s GND DI1-.
1374 -)))
1264 +* Connect sensor’s output to DI1+
1265 +* Connect sensor’s GND DI1-.
1375 1375  
1376 -(((
1377 1377  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1378 -)))
1379 1379  
1380 -(((
1381 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1382 -)))
1269 +[[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:/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:/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:/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:/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:/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.**
1383 1383  
1384 -(((
1385 -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.
1386 -)))
1271 +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:/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:/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:/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:/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:/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.
1387 1387  
1388 -(((
1389 -
1390 -)))
1391 1391  
1392 -(((
1393 1393  **Example3**: Connect to a 220v high active sensor.
1394 -)))
1395 1395  
1396 -(((
1397 1397  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1398 -)))
1399 1399  
1400 -* (((
1401 -Connect sensor’s output to DI1+ with a serial 50K resistor
1402 -)))
1403 -* (((
1404 -Connect sensor’s GND DI1-.
1405 -)))
1278 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1279 +* Connect sensor’s GND DI1-.
1406 1406  
1407 -(((
1408 1408  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1409 -)))
1410 1410  
1411 -(((
1412 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1413 -)))
1283 + [[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:/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:/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:/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:/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:/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.**
1414 1414  
1415 -(((
1416 -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.
1417 -)))
1285 +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.
1418 1418  
1419 -
1420 1420  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1421 1421  
1422 1422  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1423,7 +1423,6 @@
1423 1423  
1424 1424  [[image:1653357531600-905.png]]
1425 1425  
1426 -
1427 1427  === 3.6.4 Analog Input Interface ===
1428 1428  
1429 1429  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:
... ... @@ -1451,7 +1451,6 @@
1451 1451  
1452 1452  [[image:1653357648330-671.png||height="155" width="733"]]
1453 1453  
1454 -
1455 1455  === 3.6.5 Relay Output ===
1456 1456  
1457 1457  (((
... ... @@ -1462,12 +1462,10 @@
1462 1462  
1463 1463  [[image:image-20220524100215-10.png||height="382" width="723"]]
1464 1464  
1465 -
1466 1466  == 3.7 LEDs Indicators ==
1467 1467  
1468 1468  [[image:image-20220524100748-11.png]]
1469 1469  
1470 -
1471 1471  = 4. Use AT Command =
1472 1472  
1473 1473  == 4.1 Access AT Command ==
... ... @@ -1668,8 +1668,6 @@
1668 1668  
1669 1669  (((
1670 1670  AT+CFG: Print all settings
1671 -
1672 -
1673 1673  )))
1674 1674  
1675 1675  == 4.2 Common AT Command Sequence ==
... ... @@ -1711,8 +1711,6 @@
1711 1711  
1712 1712  (((
1713 1713  (% style="background-color:#dcdcdc" %)ATZ
1714 -
1715 -
1716 1716  )))
1717 1717  
1718 1718  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1794,7 +1794,6 @@
1794 1794  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1795 1795  ATZ
1796 1796  
1797 -
1798 1798  = 5. FAQ =
1799 1799  
1800 1800  == 5.1 How to upgrade the image? ==
... ... @@ -1825,7 +1825,6 @@
1825 1825  
1826 1826  [[image:1653360054704-518.png||height="186" width="745"]]
1827 1827  
1828 -
1829 1829  (((
1830 1830  (((
1831 1831  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1834,8 +1834,6 @@
1834 1834  
1835 1835  (((
1836 1836  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1837 -
1838 -
1839 1839  )))
1840 1840  
1841 1841  (((
... ... @@ -1889,18 +1889,10 @@
1889 1889  
1890 1890  [[image:1653360498588-932.png||height="485" width="726"]]
1891 1891  
1892 -
1893 1893  == 5.4 Can I see counting event in Serial? ==
1894 1894  
1895 1895  (((
1896 1896  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.
1897 -
1898 -
1899 -== 5.5 Can i use point to point communication for LT-22222-L? ==
1900 -
1901 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1902 -
1903 -
1904 1904  )))
1905 1905  
1906 1906  (((
... ... @@ -1914,8 +1914,10 @@
1914 1914  )))
1915 1915  
1916 1916  (((
1917 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1764 +Please see this link for how to debug: [[see how it work>>LoRaWAN_Communication_Debug||anchor="H5.1Howitwork:NO"]]
1918 1918  
1766 +[[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]]
1767 +
1919 1919  
1920 1920  )))
1921 1921  
... ... @@ -1924,7 +1924,9 @@
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1776 +See this link for trouble shooting:
1777 +
1778 +[[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/]]
1928 1928  )))
1929 1929  
1930 1930  (((
... ... @@ -1936,7 +1936,9 @@
1936 1936  )))
1937 1937  
1938 1938  (((
1939 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1790 +It might be about the channels mapping. Please see this link for detail:
1791 +
1792 +[[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]]
1940 1940  )))
1941 1941  
1942 1942  (((
... ... @@ -2010,8 +2010,6 @@
2010 2010  (((
2011 2011  * (((
2012 2012  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2013 -
2014 -
2015 2015  )))
2016 2016  
2017 2017  = 8. Packing Info =
... ... @@ -2044,8 +2044,6 @@
2044 2044  * Device Weight: 105g
2045 2045  * Package Size / pcs : 14.5 x 8 x 5 cm
2046 2046  * Weight / pcs : 170g
2047 -
2048 -
2049 2049  )))
2050 2050  )))
2051 2051  
... ... @@ -2067,8 +2067,6 @@
2067 2067  (((
2068 2068  (((
2069 2069   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2070 -
2071 -
2072 2072  )))
2073 2073  
2074 2074  (((
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

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0