Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 66.24 >
edited by Xiaoling
on 2022/05/24 13:58
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... ... @@ -16,7 +16,7 @@
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.
19 +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.
27 +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  (((
... ... @@ -41,6 +41,8 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 +
45 +
44 44  )))
45 45  
46 46  == 1.2  Specifications ==
... ... @@ -151,6 +151,8 @@
151 151  )))
152 152  * (((
153 153  Packet engine up to 256 bytes with CRC.
156 +
157 +
154 154  )))
155 155  
156 156  == 1.3 Features ==
... ... @@ -163,6 +163,7 @@
163 163  * Firmware upgradable via program port
164 164  * Counting
165 165  
170 +
166 166  == 1.4  Applications ==
167 167  
168 168  * Smart Buildings & Home Automation
... ... @@ -172,6 +172,7 @@
172 172  * Smart Cities
173 173  * Smart Factory
174 174  
180 +
175 175  == 1.5 Hardware Variants ==
176 176  
177 177  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -185,6 +185,7 @@
185 185  * 1 x Counting Port
186 186  )))
187 187  
194 +
188 188  = 2. Power ON Device =
189 189  
190 190  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.
... ... @@ -195,6 +195,7 @@
195 195  
196 196  [[image:1653297104069-180.png]]
197 197  
205 +
198 198  = 3. Operation Mode =
199 199  
200 200  == 3.1 How it works? ==
... ... @@ -204,13 +204,13 @@
204 204  )))
205 205  
206 206  (((
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>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
208 -)))
215 +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.
209 209  
210 -(((
211 -3.2 Example to join LoRaWAN network
217 +
212 212  )))
213 213  
220 +== 3.2 Example to join LoRaWAN network ==
221 +
214 214  (((
215 215  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
216 216  )))
... ... @@ -217,7 +217,6 @@
217 217  
218 218  [[image:image-20220523172350-1.png||height="266" width="864"]]
219 219  
220 -
221 221  (((
222 222  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
223 223  )))
... ... @@ -238,10 +238,12 @@
238 238  
239 239  [[image:1653297955910-247.png||height="321" width="716"]]
240 240  
248 +
241 241  Add APP KEY and DEV EUI
242 242  
243 243  [[image:1653298023685-319.png]]
244 244  
253 +
245 245  (((
246 246  **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.
247 247  )))
... ... @@ -248,6 +248,7 @@
248 248  
249 249  [[image:1653298044601-602.png||height="405" width="709"]]
250 250  
260 +
251 251  == 3.3 Uplink Payload ==
252 252  
253 253  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -259,6 +259,7 @@
259 259  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
260 260  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
261 261  
272 +
262 262  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
263 263  
264 264  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -309,6 +309,7 @@
309 309  ** DO1 is high in case there is load between DO1 and V+.
310 310  ** DO1 LED is off in both case
311 311  
323 +
312 312  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
313 313  
314 314  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -401,6 +401,7 @@
401 401  )))
402 402  )))
403 403  
416 +
404 404  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
405 405  
406 406  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -440,7 +440,9 @@
440 440  )))
441 441  
442 442  (((
443 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
456 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
457 +
458 +
444 444  )))
445 445  
446 446  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -488,7 +488,7 @@
488 488  )))
489 489  
490 490  (((
491 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
506 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
492 492  )))
493 493  
494 494  (((
... ... @@ -523,6 +523,7 @@
523 523  )))
524 524  )))
525 525  
541 +
526 526  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
527 527  
528 528  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -562,7 +562,9 @@
562 562  )))
563 563  
564 564  (((
565 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
581 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
582 +
583 +
566 566  )))
567 567  
568 568  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -591,6 +591,7 @@
591 591  
592 592  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
593 593  
612 +
594 594  (% style="color:#4f81bd" %)**Trigger base on current**:
595 595  
596 596  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -599,6 +599,7 @@
599 599  
600 600  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
601 601  
621 +
602 602  (% style="color:#4f81bd" %)**Trigger base on DI status**:
603 603  
604 604  DI status trigger Flag.
... ... @@ -685,10 +685,13 @@
685 685  
686 686  When device got this command, it will send the MOD6 payload.
687 687  
708 +
688 688  === 3.3.7 Payload Decoder ===
689 689  
690 690  (((
691 691  **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/]]
713 +
714 +
692 692  )))
693 693  
694 694  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -699,14 +699,15 @@
699 699  There are two kinds of Commands:
700 700  )))
701 701  
702 -* (% 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
725 +* (% 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]]
703 703  
704 704  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
705 705  
706 706  === 3.4.1 Common Commands ===
707 707  
708 -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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
731 +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]]
709 709  
733 +
710 710  === 3.4.2 Sensor related commands ===
711 711  
712 712  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -729,6 +729,7 @@
729 729  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
730 730  )))
731 731  
756 +
732 732  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
733 733  
734 734  Set work mode.
... ... @@ -749,6 +749,7 @@
749 749  **0x0A aa     ~/~/ Same as AT+MOD=aa**
750 750  )))
751 751  
777 +
752 752  ==== 3.4.2.3 Poll an uplink ====
753 753  
754 754  * AT Command:
... ... @@ -764,9 +764,10 @@
764 764  
765 765  **Example**: 0x08FF, ask device to send an Uplink
766 766  
793 +
767 767  ==== 3.4.2.4 Enable Trigger Mode ====
768 768  
769 -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]]
796 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
770 770  
771 771  * AT Command:
772 772  
... ... @@ -786,6 +786,7 @@
786 786  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
787 787  )))
788 788  
816 +
789 789  ==== 3.4.2.5 Poll trigger settings ====
790 790  
791 791  Poll trigger settings,
... ... @@ -801,6 +801,7 @@
801 801  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
802 802  )))
803 803  
832 +
804 804  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
805 805  
806 806  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -823,6 +823,7 @@
823 823  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
824 824  )))
825 825  
855 +
826 826  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
827 827  
828 828  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -849,6 +849,7 @@
849 849  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
850 850  )))
851 851  
882 +
852 852  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
853 853  
854 854  Set DI2 trigger.
... ... @@ -875,9 +875,10 @@
875 875  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
876 876  )))
877 877  
909 +
878 878  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
879 879  
880 -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]]
912 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
881 881  
882 882  * AT Command:
883 883  
... ... @@ -890,18 +890,19 @@
890 890  
891 891  (% class="box infomessage" %)
892 892  (((
893 -**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]]**
925 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
894 894  )))
895 895  
928 +
896 896  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
897 897  
898 -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]]
931 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
899 899  
900 900  * AT Command:
901 901  
902 902  (% class="box infomessage" %)
903 903  (((
904 -**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]]**
937 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
905 905  )))
906 906  
907 907  * Downlink Payload (prefix 0xAA 00 ):
... ... @@ -908,9 +908,10 @@
908 908  
909 909  (% class="box infomessage" %)
910 910  (((
911 -**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]] **
944 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
912 912  )))
913 913  
947 +
914 914  ==== 3.4.2.11 Trigger – Set minimum interval ====
915 915  
916 916  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -929,6 +929,7 @@
929 929  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
930 930  )))
931 931  
966 +
932 932  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
933 933  
934 934  * AT Command:
... ... @@ -971,8 +971,10 @@
971 971  
972 972  (% class="box infomessage" %)
973 973  (((
1009 +(((
974 974  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
975 975  )))
1012 +)))
976 976  
977 977  This is to control the digital output time of DO pin. Include four bytes:
978 978  
... ... @@ -1101,13 +1101,13 @@
1101 1101  
1102 1102  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1103 1103  
1104 -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]]
1141 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1105 1105  
1106 1106  * AT Command:
1107 1107  
1108 1108  (% class="box infomessage" %)
1109 1109  (((
1110 -**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]]**
1147 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1111 1111  )))
1112 1112  
1113 1113  * Downlink Payload (prefix 0xA5):
... ... @@ -1117,6 +1117,7 @@
1117 1117  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1118 1118  )))
1119 1119  
1157 +
1120 1120  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1121 1121  
1122 1122  * AT Command:
... ... @@ -1141,6 +1141,7 @@
1141 1141  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1142 1142  )))
1143 1143  
1182 +
1144 1144  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1145 1145  
1146 1146  Clear counting for counting mode
... ... @@ -1159,6 +1159,7 @@
1159 1159  **0x A6 01     ~/~/ clear all counting,**
1160 1160  )))
1161 1161  
1201 +
1162 1162  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1163 1163  
1164 1164  * AT Command:
... ... @@ -1175,23 +1175,31 @@
1175 1175  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1176 1176  )))
1177 1177  
1218 +(((
1178 1178  range: aa bb cc:0 to 16777215,  (unit:second)
1179 1179  
1221 +
1222 +)))
1223 +
1180 1180  == 3.5 Integrate with Mydevice ==
1181 1181  
1182 1182  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:
1183 1183  
1228 +(((
1184 1184  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1230 +)))
1185 1185  
1232 +(((
1186 1186  **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1234 +)))
1187 1187  
1188 1188  [[image:1653356737703-362.png||height="232" width="732"]]
1189 1189  
1190 1190  [[image:image-20220524094641-11.png||height="390" width="723"]]
1191 1191  
1192 -
1193 1193  [[image:image-20220524094641-12.png||height="402" width="718"]]
1194 1194  
1242 +
1195 1195  **Step 3**: Create an account or log in Mydevices.
1196 1196  
1197 1197  **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
... ... @@ -1200,6 +1200,7 @@
1200 1200  
1201 1201  [[image:1653356838789-523.png||height="337" width="740"]]
1202 1202  
1251 +
1203 1203  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1204 1204  
1205 1205  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1212,6 +1212,7 @@
1212 1212  
1213 1213  [[image:image-20220524094909-5.png||height="341" width="734"]]
1214 1214  
1264 +
1215 1215  == 3.6 Interface Detail ==
1216 1216  
1217 1217  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1220,6 +1220,7 @@
1220 1220  
1221 1221  [[image:1653356991268-289.png]]
1222 1222  
1273 +
1223 1223  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1224 1224  
1225 1225  (((
... ... @@ -1235,51 +1235,105 @@
1235 1235  [[image:1653357170703-587.png]]
1236 1236  
1237 1237  (((
1289 +(((
1238 1238  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1239 1239  )))
1292 +)))
1240 1240  
1294 +(((
1295 +
1296 +)))
1241 1241  
1298 +(((
1242 1242  **Example1**: Connect to a Low active sensor.
1300 +)))
1243 1243  
1302 +(((
1244 1244  This type of sensor will output a low signal GND when active.
1304 +)))
1245 1245  
1246 -* Connect sensor’s output to DI1-
1247 -* Connect sensor’s VCC to DI1+.
1306 +* (((
1307 +Connect sensor’s output to DI1-
1308 +)))
1309 +* (((
1310 +Connect sensor’s VCC to DI1+.
1311 +)))
1248 1248  
1249 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1313 +(((
1314 +So when sensor active, the current between NEC2501 pin1 and pin2 is：
1315 +)))
1250 1250  
1251 - //IF// = DI1+ / 1K.
1317 +(((
1318 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1319 +)))
1252 1252  
1253 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1321 +(((
1322 +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.
1323 +)))
1254 1254  
1325 +(((
1326 +
1327 +)))
1255 1255  
1329 +(((
1256 1256  **Example2**: Connect to a High active sensor.
1331 +)))
1257 1257  
1333 +(((
1258 1258  This type of sensor will output a high signal (example 24v) when active.
1335 +)))
1259 1259  
1260 -* Connect sensor’s output to DI1+
1261 -* Connect sensor’s GND DI1-.
1337 +* (((
1338 +Connect sensor’s output to DI1+
1339 +)))
1340 +* (((
1341 +Connect sensor’s GND DI1-.
1342 +)))
1262 1262  
1344 +(((
1263 1263  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1346 +)))
1264 1264  
1265 -[[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.**
1348 +(((
1349 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1350 +)))
1266 1266  
1267 -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:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1352 +(((
1353 +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.
1354 +)))
1268 1268  
1356 +(((
1357 +
1358 +)))
1269 1269  
1360 +(((
1270 1270  **Example3**: Connect to a 220v high active sensor.
1362 +)))
1271 1271  
1364 +(((
1272 1272  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1366 +)))
1273 1273  
1274 -* Connect sensor’s output to DI1+ with a serial 50K resistor
1275 -* Connect sensor’s GND DI1-.
1368 +* (((
1369 +Connect sensor’s output to DI1+ with a serial 50K resistor
1370 +)))
1371 +* (((
1372 +Connect sensor’s GND DI1-.
1373 +)))
1276 1276  
1375 +(((
1277 1277  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1377 +)))
1278 1278  
1279 - [[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.**
1379 +(((
1380 + [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1381 +)))
1280 1280  
1281 -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.
1383 +(((
1384 +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.
1385 +)))
1282 1282  
1387 +
1283 1283  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1284 1284  
1285 1285  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1286,6 +1286,7 @@
1286 1286  
1287 1287  [[image:1653357531600-905.png]]
1288 1288  
1394 +
1289 1289  === 3.6.4 Analog Input Interface ===
1290 1290  
1291 1291  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:
... ... @@ -1313,6 +1313,7 @@
1313 1313  
1314 1314  [[image:1653357648330-671.png||height="155" width="733"]]
1315 1315  
1422 +
1316 1316  === 3.6.5 Relay Output ===
1317 1317  
1318 1318  (((
... ... @@ -1323,10 +1323,12 @@
1323 1323  
1324 1324  [[image:image-20220524100215-10.png||height="382" width="723"]]
1325 1325  
1433 +
1326 1326  == 3.7 LEDs Indicators ==
1327 1327  
1328 1328  [[image:image-20220524100748-11.png]]
1329 1329  
1438 +
1330 1330  = 4. Use AT Command =
1331 1331  
1332 1332  == 4.1 Access AT Command ==
... ... @@ -1335,11 +1335,15 @@
1335 1335  
1336 1336  [[image:1653358238933-385.png]]
1337 1337  
1447 +(((
1338 1338  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1449 +)))
1339 1339  
1340 1340  [[image:1653358355238-883.png]]
1341 1341  
1453 +(((
1342 1342  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1455 +)))
1343 1343  
1344 1344  (((
1345 1345  AT+<CMD>?        : Help on <CMD>
... ... @@ -1523,6 +1523,8 @@
1523 1523  
1524 1524  (((
1525 1525  AT+CFG: Print all settings
1639 +
1640 +
1526 1526  )))
1527 1527  
1528 1528  == 4.2 Common AT Command Sequence ==
... ... @@ -1564,6 +1564,8 @@
1564 1564  
1565 1565  (((
1566 1566  (% style="background-color:#dcdcdc" %)ATZ
1682 +
1683 +
1567 1567  )))
1568 1568  
1569 1569  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1645,6 +1645,7 @@
1645 1645  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1646 1646  ATZ
1647 1647  
1765 +
1648 1648  = 5. FAQ =
1649 1649  
1650 1650  == 5.1 How to upgrade the image? ==
... ... @@ -1657,11 +1657,13 @@
1657 1657  Below shows the hardware connection for how to upload an image to the LT:
1658 1658  * [[image:1653359603330-121.png]]
1659 1659  
1778 +(((
1660 1660  **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]].
1661 1661  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1662 1662  **Step3: **Open flashloader; choose the correct COM port to update.
1663 1663  **For LT-22222-L**:
1664 1664  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.
1784 +)))
1665 1665  
1666 1666   [[image:image-20220524103407-12.png]]
1667 1667  
... ... @@ -1673,6 +1673,7 @@
1673 1673  
1674 1674  [[image:1653360054704-518.png||height="186" width="745"]]
1675 1675  
1796 +
1676 1676  (((
1677 1677  (((
1678 1678  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1680,7 +1680,9 @@
1680 1680  )))
1681 1681  
1682 1682  (((
1683 -User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1804 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1805 +
1806 +
1684 1684  )))
1685 1685  
1686 1686  (((
... ... @@ -1707,10 +1707,15 @@
1707 1707  [[image:1653360231087-571.png||height="401" width="727"]]
1708 1708  )))
1709 1709  
1833 +(((
1710 1710  (% 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.
1835 +)))
1711 1711  
1837 +(((
1712 1712  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1839 +)))
1713 1713  
1841 +(((
1714 1714  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1715 1715  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1716 1716  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1721,19 +1721,25 @@
1721 1721  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1722 1722  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1723 1723  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1852 +)))
1724 1724  
1854 +(((
1725 1725  As shown in below:
1856 +)))
1726 1726  
1727 1727  [[image:1653360498588-932.png||height="485" width="726"]]
1728 1728  
1860 +
1729 1729  == 5.4 Can I see counting event in Serial? ==
1730 1730  
1731 1731  (((
1732 1732  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.
1865 +
1866 +
1733 1733  )))
1734 1734  
1735 1735  (((
1736 -= 6. Trouble Shooting =
1870 += 6. Trouble Shooting =
1737 1737  )))
1738 1738  
1739 1739  (((
... ... @@ -1743,25 +1743,21 @@
1743 1743  )))
1744 1744  
1745 1745  (((
1746 -Please see this link for how to debug:
1880 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1747 1747  
1748 -[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1882 +
1749 1749  )))
1750 1750  
1751 1751  (((
1752 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1753 -)))
1754 -
1755 -(((
1756 1756  == 6.2 Have trouble to upload image. ==
1757 1757  )))
1758 1758  
1759 1759  (((
1760 -See this link for trouble shooting:
1890 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1894 +
1765 1765  )))
1766 1766  
1767 1767  (((
... ... @@ -1769,11 +1769,11 @@
1769 1769  )))
1770 1770  
1771 1771  (((
1772 -It might be about the channels mapping. Please see this link for detail:
1902 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1773 1773  )))
1774 1774  
1775 1775  (((
1776 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1906 +
1777 1777  )))
1778 1778  
1779 1779  (((
... ... @@ -1792,34 +1792,61 @@
1792 1792  )))
1793 1793  )))
1794 1794  
1925 +(((
1795 1795  * (((
1796 1796  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1797 1797  )))
1929 +)))
1930 +
1931 +(((
1798 1798  * (((
1799 1799  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1800 1800  )))
1935 +)))
1936 +
1937 +(((
1801 1801  * (((
1802 1802  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1803 1803  )))
1941 +)))
1942 +
1943 +(((
1804 1804  * (((
1805 1805  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1806 1806  )))
1947 +)))
1948 +
1949 +(((
1807 1807  * (((
1808 1808  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1809 1809  )))
1953 +)))
1954 +
1955 +(((
1810 1810  * (((
1811 1811  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1812 1812  )))
1959 +)))
1960 +
1961 +(((
1813 1813  * (((
1814 1814  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1815 1815  )))
1965 +)))
1966 +
1967 +(((
1816 1816  * (((
1817 1817  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1818 1818  )))
1971 +)))
1819 1819  
1820 1820  (((
1821 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1974 +* (((
1975 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1822 1822  
1977 +
1978 +)))
1979 +
1823 1823  = 8. Packing Info =
1824 1824  )))
1825 1825  
... ... @@ -1850,6 +1850,8 @@
1850 1850  * Device Weight: 105g
1851 1851  * Package Size / pcs : 14.5 x 8 x 5 cm
1852 1852  * Weight / pcs : 170g
2010 +
2011 +
1853 1853  )))
1854 1854  )))
1855 1855  
... ... @@ -1871,6 +1871,8 @@
1871 1871  (((
1872 1872  (((
1873 1873   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2033 +
2034 +
1874 1874  )))
1875 1875  
1876 1876  (((
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