Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 66.23 >
edited by Xiaoling
on 2022/05/24 13:57
To version < 68.21 >
edited by Xiaoling
on 2022/05/31 11:05
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... ... @@ -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 ==
... ... @@ -185,6 +185,7 @@
185 185  * 1 x Counting Port
186 186  )))
187 187  
192 +
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  
203 +
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 -)))
213 +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
215 +
212 212  )))
213 213  
218 +== 3.2 Example to join LoRaWAN network ==
219 +
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  
246 +
241 241  Add APP KEY and DEV EUI
242 242  
243 243  [[image:1653298023685-319.png]]
244 244  
251 +
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  
258 +
251 251  == 3.3 Uplink Payload ==
252 252  
253 253  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -401,6 +401,7 @@
401 401  )))
402 402  )))
403 403  
412 +
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.
... ... @@ -417,22 +417,34 @@
417 417  * FIRST: Indicate this is the first packet after join network.
418 418  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
419 419  
429 +(((
420 420  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
431 +)))
421 421  
433 +(((
422 422  **To use counting mode, please run:**
435 +)))
423 423  
424 424  (% class="box infomessage" %)
425 425  (((
439 +(((
426 426  **AT+MOD=3**
427 427  )))
442 +)))
428 428  
429 429  (% class="box infomessage" %)
430 430  (((
446 +(((
431 431  **ATZ**
432 432  )))
449 +)))
433 433  
434 -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]].
451 +(((
452 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
435 435  
454 +
455 +)))
456 +
436 436  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
437 437  
438 438  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -451,45 +451,69 @@
451 451  * FIRST: Indicate this is the first packet after join network.
452 452  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
453 453  
475 +(((
454 454  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
477 +)))
455 455  
479 +(((
456 456  **To use this mode, please run:**
481 +)))
457 457  
458 458  (% class="box infomessage" %)
459 459  (((
485 +(((
460 460  **AT+MOD=4**
461 461  )))
488 +)))
462 462  
463 463  (% class="box infomessage" %)
464 464  (((
492 +(((
465 465  **ATZ**
466 466  )))
495 +)))
467 467  
497 +(((
498 +
499 +)))
468 468  
469 -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]].
501 +(((
502 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
503 +)))
470 470  
505 +(((
471 471  **Plus below command for AVI1 Counting:**
507 +)))
472 472  
473 473  (% class="box infomessage" %)
474 474  (((
511 +(((
475 475  **AT+SETCNT=3,60   (set AVI Count to 60)**
476 476  )))
514 +)))
477 477  
478 478  (% class="box infomessage" %)
479 479  (((
518 +(((
480 480  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
481 481  )))
521 +)))
482 482  
483 483  (% class="box infomessage" %)
484 484  (((
525 +(((
485 485  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
486 486  )))
528 +)))
487 487  
488 488  (% class="box infomessage" %)
489 489  (((
532 +(((
490 490  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
491 491  )))
535 +)))
492 492  
537 +
493 493  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
494 494  
495 495  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -502,24 +502,38 @@
502 502  
503 503  * RO is for relay. ROx=1 : close，ROx=0 always open.
504 504  * FIRST: Indicate this is the first packet after join network.
505 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
550 +* (((
551 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
552 +)))
506 506  
554 +(((
507 507  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
556 +)))
508 508  
558 +(((
509 509  **To use this mode, please run:**
560 +)))
510 510  
511 511  (% class="box infomessage" %)
512 512  (((
564 +(((
513 513  **AT+MOD=5**
514 514  )))
567 +)))
515 515  
516 516  (% class="box infomessage" %)
517 517  (((
571 +(((
518 518  **ATZ**
519 519  )))
574 +)))
520 520  
521 -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]].
576 +(((
577 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
522 522  
579 +
580 +)))
581 +
523 523  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
524 524  
525 525  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -640,10 +640,13 @@
640 640  
641 641  When device got this command, it will send the MOD6 payload.
642 642  
702 +
643 643  === 3.3.7 Payload Decoder ===
644 644  
645 645  (((
646 646  **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/]]
707 +
708 +
647 647  )))
648 648  
649 649  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -660,8 +660,9 @@
660 660  
661 661  === 3.4.1 Common Commands ===
662 662  
663 -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/]]
725 +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]]
664 664  
727 +
665 665  === 3.4.2 Sensor related commands ===
666 666  
667 667  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -684,6 +684,7 @@
684 684  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
685 685  )))
686 686  
750 +
687 687  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
688 688  
689 689  Set work mode.
... ... @@ -704,6 +704,7 @@
704 704  **0x0A aa     ~/~/ Same as AT+MOD=aa**
705 705  )))
706 706  
771 +
707 707  ==== 3.4.2.3 Poll an uplink ====
708 708  
709 709  * AT Command:
... ... @@ -719,6 +719,7 @@
719 719  
720 720  **Example**: 0x08FF, ask device to send an Uplink
721 721  
787 +
722 722  ==== 3.4.2.4 Enable Trigger Mode ====
723 723  
724 724  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]]
... ... @@ -741,6 +741,7 @@
741 741  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
742 742  )))
743 743  
810 +
744 744  ==== 3.4.2.5 Poll trigger settings ====
745 745  
746 746  Poll trigger settings,
... ... @@ -756,6 +756,7 @@
756 756  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
757 757  )))
758 758  
826 +
759 759  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
760 760  
761 761  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -778,6 +778,7 @@
778 778  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
779 779  )))
780 780  
849 +
781 781  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
782 782  
783 783  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -804,6 +804,7 @@
804 804  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
805 805  )))
806 806  
876 +
807 807  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
808 808  
809 809  Set DI2 trigger.
... ... @@ -830,6 +830,7 @@
830 830  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
831 831  )))
832 832  
903 +
833 833  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
834 834  
835 835  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]]
... ... @@ -848,6 +848,7 @@
848 848  **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]]**
849 849  )))
850 850  
922 +
851 851  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
852 852  
853 853  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]]
... ... @@ -866,6 +866,7 @@
866 866  **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]] **
867 867  )))
868 868  
941 +
869 869  ==== 3.4.2.11 Trigger – Set minimum interval ====
870 870  
871 871  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -884,6 +884,7 @@
884 884  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
885 885  )))
886 886  
960 +
887 887  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
888 888  
889 889  * AT Command:
... ... @@ -926,8 +926,10 @@
926 926  
927 927  (% class="box infomessage" %)
928 928  (((
1003 +(((
929 929  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
930 930  )))
1006 +)))
931 931  
932 932  This is to control the digital output time of DO pin. Include four bytes:
933 933  
... ... @@ -1072,6 +1072,7 @@
1072 1072  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1073 1073  )))
1074 1074  
1151 +
1075 1075  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1076 1076  
1077 1077  * AT Command:
... ... @@ -1096,6 +1096,7 @@
1096 1096  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1097 1097  )))
1098 1098  
1176 +
1099 1099  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1100 1100  
1101 1101  Clear counting for counting mode
... ... @@ -1114,6 +1114,7 @@
1114 1114  **0x A6 01     ~/~/ clear all counting,**
1115 1115  )))
1116 1116  
1195 +
1117 1117  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1118 1118  
1119 1119  * AT Command:
... ... @@ -1130,21 +1130,28 @@
1130 1130  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1131 1131  )))
1132 1132  
1212 +(((
1133 1133  range: aa bb cc:0 to 16777215,  (unit:second)
1134 1134  
1215 +
1216 +)))
1217 +
1135 1135  == 3.5 Integrate with Mydevice ==
1136 1136  
1137 1137  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:
1138 1138  
1222 +(((
1139 1139  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1224 +)))
1140 1140  
1226 +(((
1141 1141  **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:
1228 +)))
1142 1142  
1143 1143  [[image:1653356737703-362.png||height="232" width="732"]]
1144 1144  
1145 1145  [[image:image-20220524094641-11.png||height="390" width="723"]]
1146 1146  
1147 -
1148 1148  [[image:image-20220524094641-12.png||height="402" width="718"]]
1149 1149  
1150 1150  **Step 3**: Create an account or log in Mydevices.
... ... @@ -1155,6 +1155,7 @@
1155 1155  
1156 1156  [[image:1653356838789-523.png||height="337" width="740"]]
1157 1157  
1244 +
1158 1158  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1159 1159  
1160 1160  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1167,6 +1167,7 @@
1167 1167  
1168 1168  [[image:image-20220524094909-5.png||height="341" width="734"]]
1169 1169  
1257 +
1170 1170  == 3.6 Interface Detail ==
1171 1171  
1172 1172  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1175,6 +1175,7 @@
1175 1175  
1176 1176  [[image:1653356991268-289.png]]
1177 1177  
1266 +
1178 1178  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1179 1179  
1180 1180  (((
... ... @@ -1203,7 +1203,7 @@
1203 1203  
1204 1204  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1205 1205  
1206 - //IF// = DI1+ / 1K.
1295 +[[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.**
1207 1207  
1208 1208  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1209 1209  
... ... @@ -1217,9 +1217,9 @@
1217 1217  
1218 1218  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1219 1219  
1220 -[[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.**
1309 +[[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.**
1221 1221  
1222 -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.
1311 +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:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1223 1223  
1224 1224  
1225 1225  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1231,10 +1231,11 @@
1231 1231  
1232 1232  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1233 1233  
1234 - [[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.**
1323 + [[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.**
1235 1235  
1236 1236  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.
1237 1237  
1327 +
1238 1238  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1239 1239  
1240 1240  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1241,6 +1241,7 @@
1241 1241  
1242 1242  [[image:1653357531600-905.png]]
1243 1243  
1334 +
1244 1244  === 3.6.4 Analog Input Interface ===
1245 1245  
1246 1246  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:
... ... @@ -1268,6 +1268,7 @@
1268 1268  
1269 1269  [[image:1653357648330-671.png||height="155" width="733"]]
1270 1270  
1362 +
1271 1271  === 3.6.5 Relay Output ===
1272 1272  
1273 1273  (((
... ... @@ -1278,10 +1278,12 @@
1278 1278  
1279 1279  [[image:image-20220524100215-10.png||height="382" width="723"]]
1280 1280  
1373 +
1281 1281  == 3.7 LEDs Indicators ==
1282 1282  
1283 1283  [[image:image-20220524100748-11.png]]
1284 1284  
1378 +
1285 1285  = 4. Use AT Command =
1286 1286  
1287 1287  == 4.1 Access AT Command ==
... ... @@ -1290,11 +1290,15 @@
1290 1290  
1291 1291  [[image:1653358238933-385.png]]
1292 1292  
1387 +(((
1293 1293  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:
1389 +)))
1294 1294  
1295 1295  [[image:1653358355238-883.png]]
1296 1296  
1393 +(((
1297 1297  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/]]
1395 +)))
1298 1298  
1299 1299  (((
1300 1300  AT+<CMD>?        : Help on <CMD>
... ... @@ -1478,6 +1478,8 @@
1478 1478  
1479 1479  (((
1480 1480  AT+CFG: Print all settings
1579 +
1580 +
1481 1481  )))
1482 1482  
1483 1483  == 4.2 Common AT Command Sequence ==
... ... @@ -1519,6 +1519,8 @@
1519 1519  
1520 1520  (((
1521 1521  (% style="background-color:#dcdcdc" %)ATZ
1622 +
1623 +
1522 1522  )))
1523 1523  
1524 1524  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1600,6 +1600,7 @@
1600 1600  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1601 1601  ATZ
1602 1602  
1705 +
1603 1603  = 5. FAQ =
1604 1604  
1605 1605  == 5.1 How to upgrade the image? ==
... ... @@ -1612,11 +1612,13 @@
1612 1612  Below shows the hardware connection for how to upload an image to the LT:
1613 1613  * [[image:1653359603330-121.png]]
1614 1614  
1718 +(((
1615 1615  **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]].
1616 1616  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1617 1617  **Step3: **Open flashloader; choose the correct COM port to update.
1618 1618  **For LT-22222-L**:
1619 1619  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.
1724 +)))
1620 1620  
1621 1621   [[image:image-20220524103407-12.png]]
1622 1622  
... ... @@ -1628,6 +1628,7 @@
1628 1628  
1629 1629  [[image:1653360054704-518.png||height="186" width="745"]]
1630 1630  
1736 +
1631 1631  (((
1632 1632  (((
1633 1633  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1635,7 +1635,9 @@
1635 1635  )))
1636 1636  
1637 1637  (((
1638 -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.
1744 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1745 +
1746 +
1639 1639  )))
1640 1640  
1641 1641  (((
... ... @@ -1662,10 +1662,15 @@
1662 1662  [[image:1653360231087-571.png||height="401" width="727"]]
1663 1663  )))
1664 1664  
1773 +(((
1665 1665  (% 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.
1775 +)))
1666 1666  
1777 +(((
1667 1667  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1779 +)))
1668 1668  
1781 +(((
1669 1669  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1670 1670  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1671 1671  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1676,19 +1676,25 @@
1676 1676  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1677 1677  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1678 1678  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1792 +)))
1679 1679  
1794 +(((
1680 1680  As shown in below:
1796 +)))
1681 1681  
1682 1682  [[image:1653360498588-932.png||height="485" width="726"]]
1683 1683  
1800 +
1684 1684  == 5.4 Can I see counting event in Serial? ==
1685 1685  
1686 1686  (((
1687 1687  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.
1805 +
1806 +
1688 1688  )))
1689 1689  
1690 1690  (((
1691 -= 6. Trouble Shooting =
1810 += 6. Trouble Shooting =
1692 1692  )))
1693 1693  
1694 1694  (((
... ... @@ -1698,13 +1698,11 @@
1698 1698  )))
1699 1699  
1700 1700  (((
1701 -Please see this link for how to debug:
1820 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>LoRaWAN Communication Debug||anchor="H5.1Howitwork"]]
1702 1702  
1703 -[[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/]]
1704 -)))
1822 +[[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]]
1705 1705  
1706 -(((
1707 -[[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]]
1824 +
1708 1708  )))
1709 1709  
1710 1710  (((
... ... @@ -1713,10 +1713,12 @@
1713 1713  
1714 1714  (((
1715 1715  See this link for trouble shooting:
1833 +
1834 +[[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/]]
1716 1716  )))
1717 1717  
1718 1718  (((
1719 -[[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]]
1838 +
1720 1720  )))
1721 1721  
1722 1722  (((
... ... @@ -1725,10 +1725,12 @@
1725 1725  
1726 1726  (((
1727 1727  It might be about the channels mapping. Please see this link for detail:
1847 +
1848 +[[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]]
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -[[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]]
1852 +
1732 1732  )))
1733 1733  
1734 1734  (((
... ... @@ -1747,34 +1747,61 @@
1747 1747  )))
1748 1748  )))
1749 1749  
1871 +(((
1750 1750  * (((
1751 1751  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1752 1752  )))
1875 +)))
1876 +
1877 +(((
1753 1753  * (((
1754 1754  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1755 1755  )))
1881 +)))
1882 +
1883 +(((
1756 1756  * (((
1757 1757  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1758 1758  )))
1887 +)))
1888 +
1889 +(((
1759 1759  * (((
1760 1760  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1761 1761  )))
1893 +)))
1894 +
1895 +(((
1762 1762  * (((
1763 1763  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1764 1764  )))
1899 +)))
1900 +
1901 +(((
1765 1765  * (((
1766 1766  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1767 1767  )))
1905 +)))
1906 +
1907 +(((
1768 1768  * (((
1769 1769  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1770 1770  )))
1911 +)))
1912 +
1913 +(((
1771 1771  * (((
1772 1772  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1773 1773  )))
1917 +)))
1774 1774  
1775 1775  (((
1776 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1920 +* (((
1921 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1777 1777  
1923 +
1924 +)))
1925 +
1778 1778  = 8. Packing Info =
1779 1779  )))
1780 1780  
... ... @@ -1805,6 +1805,8 @@
1805 1805  * Device Weight: 105g
1806 1806  * Package Size / pcs : 14.5 x 8 x 5 cm
1807 1807  * Weight / pcs : 170g
1956 +
1957 +
1808 1808  )))
1809 1809  )))
1810 1810  
... ... @@ -1826,6 +1826,8 @@
1826 1826  (((
1827 1827  (((
1828 1828   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1979 +
1980 +
1829 1829  )))
1830 1830  
1831 1831  (((

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