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

From version 68.17
edited by Xiaoling
on 2022/05/25 15:22
Change comment: There is no comment for this version
To version 77.49
edited by Xiaoling
on 2022/06/10 09:04
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -11,12 +11,15 @@
11 11  
12 12  
13 13  
14 +
15 +
16 +
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
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.
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.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
30 +The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -41,11 +41,15 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
47 +
48 +
44 44  )))
45 45  
46 46  == 1.2  Specifications ==
47 47  
48 48  (((
54 +
55 +
49 49  **Hardware System:**
50 50  )))
51 51  
... ... @@ -151,6 +151,8 @@
151 151  )))
152 152  * (((
153 153  Packet engine up to 256 bytes with CRC.
161 +
162 +
154 154  )))
155 155  
156 156  == 1.3 Features ==
... ... @@ -195,6 +195,8 @@
195 195  
196 196  [[image:1653297104069-180.png]]
197 197  
207 +
208 +
198 198  = 3. Operation Mode =
199 199  
200 200  == 3.1 How it works? ==
... ... @@ -205,8 +205,12 @@
205 205  
206 206  (((
207 207  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.
219 +
220 +
208 208  )))
209 209  
223 +
224 +
210 210  == 3.2 Example to join LoRaWAN network ==
211 211  
212 212  (((
... ... @@ -235,10 +235,12 @@
235 235  
236 236  [[image:1653297955910-247.png||height="321" width="716"]]
237 237  
253 +
238 238  Add APP KEY and DEV EUI
239 239  
240 240  [[image:1653298023685-319.png]]
241 241  
258 +
242 242  (((
243 243  **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.
244 244  )))
... ... @@ -245,6 +245,8 @@
245 245  
246 246  [[image:1653298044601-602.png||height="405" width="709"]]
247 247  
265 +
266 +
248 248  == 3.3 Uplink Payload ==
249 249  
250 250  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -398,6 +398,8 @@
398 398  )))
399 399  )))
400 400  
420 +
421 +
401 401  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
402 402  
403 403  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -438,8 +438,12 @@
438 438  
439 439  (((
440 440  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
462 +
463 +
441 441  )))
442 442  
466 +
467 +
443 443  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
444 444  
445 445  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -520,6 +520,8 @@
520 520  )))
521 521  )))
522 522  
548 +
549 +
523 523  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
524 524  
525 525  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -560,8 +560,12 @@
560 560  
561 561  (((
562 562  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
590 +
591 +
563 563  )))
564 564  
594 +
595 +
565 565  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
566 566  
567 567  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -588,6 +588,7 @@
588 588  
589 589  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
590 590  
622 +
591 591  (% style="color:#4f81bd" %)**Trigger base on current**:
592 592  
593 593  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -596,6 +596,7 @@
596 596  
597 597  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
598 598  
631 +
599 599  (% style="color:#4f81bd" %)**Trigger base on DI status**:
600 600  
601 601  DI status trigger Flag.
... ... @@ -682,12 +682,18 @@
682 682  
683 683  When device got this command, it will send the MOD6 payload.
684 684  
718 +
719 +
685 685  === 3.3.7 Payload Decoder ===
686 686  
687 687  (((
688 688  **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/]]
724 +
725 +
689 689  )))
690 690  
728 +
729 +
691 691  == 3.4 ​Configure LT via AT or Downlink ==
692 692  
693 693  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -696,7 +696,7 @@
696 696  There are two kinds of Commands:
697 697  )))
698 698  
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
738 +* (% 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]]
700 700  
701 701  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
702 702  
... ... @@ -704,6 +704,8 @@
704 704  
705 705  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>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
706 706  
746 +
747 +
707 707  === 3.4.2 Sensor related commands ===
708 708  
709 709  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -726,6 +726,8 @@
726 726  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
727 727  )))
728 728  
770 +
771 +
729 729  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
730 730  
731 731  Set work mode.
... ... @@ -746,6 +746,8 @@
746 746  **0x0A aa     ~/~/ Same as AT+MOD=aa**
747 747  )))
748 748  
792 +
793 +
749 749  ==== 3.4.2.3 Poll an uplink ====
750 750  
751 751  * AT Command:
... ... @@ -761,9 +761,11 @@
761 761  
762 762  **Example**: 0x08FF, ask device to send an Uplink
763 763  
809 +
810 +
764 764  ==== 3.4.2.4 Enable Trigger Mode ====
765 765  
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]]
813 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
767 767  
768 768  * AT Command:
769 769  
... ... @@ -783,6 +783,8 @@
783 783  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
784 784  )))
785 785  
833 +
834 +
786 786  ==== 3.4.2.5 Poll trigger settings ====
787 787  
788 788  Poll trigger settings,
... ... @@ -798,6 +798,8 @@
798 798  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
799 799  )))
800 800  
850 +
851 +
801 801  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
802 802  
803 803  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -820,6 +820,8 @@
820 820  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
821 821  )))
822 822  
874 +
875 +
823 823  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
824 824  
825 825  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -846,6 +846,8 @@
846 846  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
847 847  )))
848 848  
902 +
903 +
849 849  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
850 850  
851 851  Set DI2 trigger.
... ... @@ -872,9 +872,11 @@
872 872  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
873 873  )))
874 874  
930 +
931 +
875 875  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
876 876  
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]]
934 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
878 878  
879 879  * AT Command:
880 880  
... ... @@ -887,18 +887,20 @@
887 887  
888 888  (% class="box infomessage" %)
889 889  (((
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]]**
947 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
891 891  )))
892 892  
950 +
951 +
893 893  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
894 894  
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]]
954 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
896 896  
897 897  * AT Command:
898 898  
899 899  (% class="box infomessage" %)
900 900  (((
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]]**
960 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
902 902  )))
903 903  
904 904  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -905,9 +905,11 @@
905 905  
906 906  (% class="box infomessage" %)
907 907  (((
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]] **
967 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
909 909  )))
910 910  
970 +
971 +
911 911  ==== 3.4.2.11 Trigger – Set minimum interval ====
912 912  
913 913  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -926,6 +926,8 @@
926 926  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
927 927  )))
928 928  
990 +
991 +
929 929  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
930 930  
931 931  * AT Command:
... ... @@ -958,6 +958,7 @@
958 958  )))
959 959  
960 960  
1024 +
961 961  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
962 962  
963 963  * AT Command:
... ... @@ -1020,6 +1020,7 @@
1020 1020  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
1021 1021  
1022 1022  
1087 +
1023 1023  === 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1024 1024  
1025 1025  * AT Command:
... ... @@ -1048,6 +1048,7 @@
1048 1048  Device will upload a packet if downlink code executes successfully.
1049 1049  
1050 1050  
1116 +
1051 1051  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1052 1052  
1053 1053  * AT Command:
... ... @@ -1098,15 +1098,16 @@
1098 1098  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1099 1099  
1100 1100  
1167 +
1101 1101  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1102 1102  
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]]
1170 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1104 1104  
1105 1105  * AT Command:
1106 1106  
1107 1107  (% class="box infomessage" %)
1108 1108  (((
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]]**
1176 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1110 1110  )))
1111 1111  
1112 1112  * Downlink Payload (prefix 0xA5):
... ... @@ -1116,6 +1116,8 @@
1116 1116  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1117 1117  )))
1118 1118  
1186 +
1187 +
1119 1119  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1120 1120  
1121 1121  * AT Command:
... ... @@ -1140,6 +1140,8 @@
1140 1140  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1141 1141  )))
1142 1142  
1212 +
1213 +
1143 1143  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1144 1144  
1145 1145  Clear counting for counting mode
... ... @@ -1158,6 +1158,8 @@
1158 1158  **0x A6 01     ~/~/ clear all counting,**
1159 1159  )))
1160 1160  
1232 +
1233 +
1161 1161  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1162 1162  
1163 1163  * AT Command:
... ... @@ -1176,8 +1176,12 @@
1176 1176  
1177 1177  (((
1178 1178  range: aa bb cc:0 to 16777215,  (unit:second)
1252 +
1253 +
1179 1179  )))
1180 1180  
1256 +
1257 +
1181 1181  == 3.5 Integrate with Mydevice ==
1182 1182  
1183 1183  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:
... ... @@ -1196,6 +1196,7 @@
1196 1196  
1197 1197  [[image:image-20220524094641-12.png||height="402" width="718"]]
1198 1198  
1276 +
1199 1199  **Step 3**: Create an account or log in Mydevices.
1200 1200  
1201 1201  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1204,6 +1204,7 @@
1204 1204  
1205 1205  [[image:1653356838789-523.png||height="337" width="740"]]
1206 1206  
1285 +
1207 1207  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1208 1208  
1209 1209  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1216,6 +1216,8 @@
1216 1216  
1217 1217  [[image:image-20220524094909-5.png||height="341" width="734"]]
1218 1218  
1298 +
1299 +
1219 1219  == 3.6 Interface Detail ==
1220 1220  
1221 1221  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1224,6 +1224,8 @@
1224 1224  
1225 1225  [[image:1653356991268-289.png]]
1226 1226  
1308 +
1309 +
1227 1227  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1228 1228  
1229 1229  (((
... ... @@ -1239,51 +1239,106 @@
1239 1239  [[image:1653357170703-587.png]]
1240 1240  
1241 1241  (((
1325 +(((
1242 1242  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1243 1243  )))
1328 +)))
1244 1244  
1330 +(((
1331 +
1332 +)))
1245 1245  
1334 +(((
1246 1246  **Example1**: Connect to a Low active sensor.
1336 +)))
1247 1247  
1338 +(((
1248 1248  This type of sensor will output a low signal GND when active.
1340 +)))
1249 1249  
1250 -* Connect sensor’s output to DI1-
1251 -* Connect sensor’s VCC to DI1+.
1342 +* (((
1343 +Connect sensor’s output to DI1-
1344 +)))
1345 +* (((
1346 +Connect sensor’s VCC to DI1+.
1347 +)))
1252 1252  
1253 -So when sensor active, the current between NEC2501 pin1 and pin2 is: ​​
1349 +(((
1350 +So when sensor active, the current between NEC2501 pin1 and pin2 is:
1351 +)))
1254 1254  
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:image-20220524095628-8.png]] = DI1+ / 1K.**
1353 +(((
1354 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1355 +)))
1256 1256  
1257 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1357 +(((
1358 +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.
1359 +)))
1258 1258  
1361 +(((
1362 +
1363 +)))
1259 1259  
1365 +(((
1260 1260  **Example2**: Connect to a High active sensor.
1367 +)))
1261 1261  
1369 +(((
1262 1262  This type of sensor will output a high signal (example 24v) when active.
1371 +)))
1263 1263  
1264 -* Connect sensor’s output to DI1+
1265 -* Connect sensor’s GND DI1-.
1373 +* (((
1374 +Connect sensor’s output to DI1+
1375 +)))
1376 +* (((
1377 +Connect sensor’s GND DI1-.
1378 +)))
1266 1266  
1380 +(((
1267 1267  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1382 +)))
1268 1268  
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:image-20220524095628-8.png]]= DI1+ / 1K.**
1384 +(((
1385 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1386 +)))
1270 1270  
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:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1388 +(((
1389 +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.
1390 +)))
1272 1272  
1392 +(((
1393 +
1394 +)))
1273 1273  
1396 +(((
1274 1274  **Example3**: Connect to a 220v high active sensor.
1398 +)))
1275 1275  
1400 +(((
1276 1276  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1402 +)))
1277 1277  
1278 -* Connect sensor’s output to DI1+ with a serial 50K resistor
1279 -* Connect sensor’s GND DI1-.
1404 +* (((
1405 +Connect sensor’s output to DI1+ with a serial 50K resistor
1406 +)))
1407 +* (((
1408 +Connect sensor’s GND DI1-.
1409 +)))
1280 1280  
1411 +(((
1281 1281  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1413 +)))
1282 1282  
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:image-20220524095628-8.png]] = DI1+ / 51K.**
1415 +(((
1416 + [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1417 +)))
1284 1284  
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.
1419 +(((
1420 +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.
1421 +)))
1286 1286  
1423 +
1424 +
1287 1287  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1288 1288  
1289 1289  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1290,6 +1290,8 @@
1290 1290  
1291 1291  [[image:1653357531600-905.png]]
1292 1292  
1431 +
1432 +
1293 1293  === 3.6.4 Analog Input Interface ===
1294 1294  
1295 1295  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:
... ... @@ -1317,6 +1317,8 @@
1317 1317  
1318 1318  [[image:1653357648330-671.png||height="155" width="733"]]
1319 1319  
1460 +
1461 +
1320 1320  === 3.6.5 Relay Output ===
1321 1321  
1322 1322  (((
... ... @@ -1327,10 +1327,13 @@
1327 1327  
1328 1328  [[image:image-20220524100215-10.png||height="382" width="723"]]
1329 1329  
1472 +
1473 +
1330 1330  == 3.7 LEDs Indicators ==
1331 1331  
1332 1332  [[image:image-20220524100748-11.png]]
1333 1333  
1478 +
1334 1334  = 4. Use AT Command =
1335 1335  
1336 1336  == 4.1 Access AT Command ==
... ... @@ -1531,8 +1531,12 @@
1531 1531  
1532 1532  (((
1533 1533  AT+CFG: Print all settings
1679 +
1680 +
1534 1534  )))
1535 1535  
1683 +
1684 +
1536 1536  == 4.2 Common AT Command Sequence ==
1537 1537  
1538 1538  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1572,8 +1572,12 @@
1572 1572  
1573 1573  (((
1574 1574  (% style="background-color:#dcdcdc" %)ATZ
1724 +
1725 +
1575 1575  )))
1576 1576  
1728 +
1729 +
1577 1577  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1578 1578  
1579 1579  (((
... ... @@ -1626,6 +1626,8 @@
1626 1626  
1627 1627  (((
1628 1628  (% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1782 +
1783 +
1629 1629  )))
1630 1630  
1631 1631  (((
... ... @@ -1647,6 +1647,7 @@
1647 1647  
1648 1648  )))
1649 1649  
1805 +
1650 1650  === 4.2.3 Change to Class A ===
1651 1651  
1652 1652  If sensor JOINED
... ... @@ -1653,23 +1653,30 @@
1653 1653  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1654 1654  ATZ
1655 1655  
1812 +
1656 1656  = 5. FAQ =
1657 1657  
1658 1658  == 5.1 How to upgrade the image? ==
1659 1659  
1817 +
1660 1660  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1661 1661  
1662 1662  * Support new features
1663 1663  * For bug fix
1664 1664  * Change LoRaWAN bands.
1823 +
1665 1665  Below shows the hardware connection for how to upload an image to the LT:
1666 -* [[image:1653359603330-121.png]]
1667 1667  
1826 +[[image:1653359603330-121.png]]
1827 +
1828 +
1668 1668  (((
1669 -**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]].
1670 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1671 -**Step3: **Open flashloader; choose the correct COM port to update.
1672 -**For LT-22222-L**:
1830 +(% 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]].
1831 +(% 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/]].
1832 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1833 +
1834 +
1835 +(% style="color:blue" %)**For LT-22222-L**(%%):
1673 1673  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.
1674 1674  )))
1675 1675  
... ... @@ -1679,12 +1679,16 @@
1679 1679  
1680 1680  [[image:image-20220524104033-15.png]]
1681 1681  
1845 +
1682 1682  (% 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:
1683 1683  
1684 1684  [[image:1653360054704-518.png||height="186" width="745"]]
1685 1685  
1850 +
1686 1686  (((
1687 1687  (((
1853 +
1854 +
1688 1688  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1689 1689  )))
1690 1690  )))
... ... @@ -1694,6 +1694,8 @@
1694 1694  )))
1695 1695  
1696 1696  (((
1864 +
1865 +
1697 1697  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1698 1698  )))
1699 1699  
... ... @@ -1706,6 +1706,8 @@
1706 1706  (((
1707 1707  (((
1708 1708  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1878 +
1879 +
1709 1709  )))
1710 1710  )))
1711 1711  
... ... @@ -1721,23 +1721,25 @@
1721 1721  (% 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.
1722 1722  )))
1723 1723  
1895 +
1724 1724  (((
1725 1725  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1726 1726  )))
1727 1727  
1728 1728  (((
1729 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1730 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1731 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1732 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1733 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1734 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1735 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1736 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1737 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1738 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1901 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1902 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1903 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1904 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1905 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1906 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1907 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1908 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1909 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1910 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1739 1739  )))
1740 1740  
1913 +
1741 1741  (((
1742 1742  As shown in below:
1743 1743  )))
... ... @@ -1744,13 +1744,21 @@
1744 1744  
1745 1745  [[image:1653360498588-932.png||height="485" width="726"]]
1746 1746  
1920 +
1747 1747  == 5.4 Can I see counting event in Serial? ==
1748 1748  
1749 1749  (((
1750 1750  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.
1925 +
1926 +
1927 +== 5.5 Can i use point to point communication for LT-22222-L? ==
1928 +
1929 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1751 1751  )))
1752 1752  
1753 1753  (((
1933 +
1934 +
1754 1754  = 6. Trouble Shooting =
1755 1755  )))
1756 1756  
... ... @@ -1761,172 +1761,81 @@
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -Please see this link for how to debug:
1765 -
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 -
1768 -
1945 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1769 1769  )))
1770 1770  
1771 1771  (((
1949 +
1950 +
1772 1772  == 6.2 Have trouble to upload image. ==
1773 1773  )))
1774 1774  
1775 1775  (((
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/]]
1955 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1779 1779  )))
1780 1780  
1781 1781  (((
1782 1782  
1783 -)))
1784 1784  
1785 -(((
1786 1786  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1787 1787  )))
1788 1788  
1789 1789  (((
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]]
1965 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1793 1793  )))
1794 1794  
1795 -(((
1796 -
1797 -)))
1798 1798  
1799 -(((
1969 +
1800 1800  = 7. Order Info =
1801 -)))
1802 1802  
1803 -(((
1804 -(((
1972 +
1805 1805  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1806 -)))
1807 -)))
1808 1808  
1809 -(((
1810 -(((
1975 +
1811 1811  (% style="color:#4f81bd" %)**XXX:**
1812 -)))
1813 -)))
1814 1814  
1815 -(((
1816 -* (((
1817 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1818 -)))
1819 -)))
1978 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1979 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1980 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1981 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1982 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1983 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1984 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1985 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1986 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1820 1820  
1821 -(((
1822 -* (((
1823 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1824 -)))
1825 -)))
1826 1826  
1827 -(((
1828 -* (((
1829 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1830 -)))
1831 -)))
1832 -
1833 -(((
1834 -* (((
1835 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1836 -)))
1837 -)))
1838 -
1839 -(((
1840 -* (((
1841 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1842 -)))
1843 -)))
1844 -
1845 -(((
1846 -* (((
1847 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1848 -)))
1849 -)))
1850 -
1851 -(((
1852 -* (((
1853 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1854 -)))
1855 -)))
1856 -
1857 -(((
1858 -* (((
1859 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1860 -)))
1861 -)))
1862 -
1863 -(((
1864 -* (((
1865 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1866 -)))
1867 -
1868 1868  = 8. Packing Info =
1869 -)))
1870 1870  
1871 -(((
1872 -(((
1991 +
1873 1873  **Package Includes**:
1874 -)))
1875 -)))
1876 1876  
1877 -(((
1878 -(((
1879 1879  * LT-22222-L I/O Controller x 1
1880 1880  * Stick Antenna for LoRa RF part x 1
1881 1881  * Bracket for controller x1
1882 1882  * Program cable x 1
1883 -)))
1884 -)))
1885 1885  
1886 -(((
1887 -(((
1888 1888  **Dimension and weight**:
1889 -)))
1890 -)))
1891 1891  
1892 -(((
1893 -(((
1894 1894  * Device Size: 13.5 x 7 x 3 cm
1895 1895  * Device Weight: 105g
1896 1896  * Package Size / pcs : 14.5 x 8 x 5 cm
1897 1897  * Weight / pcs : 170g
1898 -)))
1899 -)))
1900 1900  
1901 -(((
2006 +
1902 1902  = 9. Support =
1903 -)))
1904 1904  
1905 1905  * (((
1906 -(((
1907 1907  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.
1908 1908  )))
1909 -)))
1910 1910  * (((
1911 -(((
1912 -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
2013 +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]]
1913 1913  )))
1914 -)))
1915 1915  
1916 -(((
1917 -(((
1918 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1919 -)))
1920 1920  
1921 -(((
1922 1922  = 10. Reference​​​​​ =
1923 1923  
1924 -* Product Page:
1925 -
1926 -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]]
1927 -
2019 +* 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]]
1928 1928  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1929 1929  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1930 1930  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1931 -)))
1932 -)))
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