Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.8 >
edited by Xiaoling
on 2022/06/01 17:28
To version < 66.22 >
edited by Xiaoling
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Summary

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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 (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
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 an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -41,8 +41,6 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 -
45 -
46 46  )))
47 47  
48 48  == 1.2  Specifications ==
... ... @@ -153,8 +153,6 @@
153 153  )))
154 154  * (((
155 155  Packet engine up to 256 bytes with CRC.
156 -
157 -
158 158  )))
159 159  
160 160  == 1.3 Features ==
... ... @@ -167,8 +167,6 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 -
171 -
172 172  == 1.4  Applications ==
173 173  
174 174  * Smart Buildings & Home Automation
... ... @@ -178,8 +178,6 @@
178 178  * Smart Cities
179 179  * Smart Factory
180 180  
181 -
182 -
183 183  == 1.5 Hardware Variants ==
184 184  
185 185  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -203,7 +203,6 @@
203 203  
204 204  [[image:1653297104069-180.png]]
205 205  
206 -
207 207  = 3. Operation Mode =
208 208  
209 209  == 3.1 How it works? ==
... ... @@ -213,13 +213,13 @@
213 213  )))
214 214  
215 215  (((
216 -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.
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 +)))
217 217  
218 -
210 +(((
211 +3.2 Example to join LoRaWAN network
219 219  )))
220 220  
221 -== 3.2 Example to join LoRaWAN network ==
222 -
223 223  (((
224 224  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. 
225 225  )))
... ... @@ -226,6 +226,7 @@
226 226  
227 227  [[image:image-20220523172350-1.png||height="266" width="864"]]
228 228  
220 +
229 229  (((
230 230  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:
231 231  )))
... ... @@ -246,12 +246,10 @@
246 246  
247 247  [[image:1653297955910-247.png||height="321" width="716"]]
248 248  
249 -
250 250  Add APP KEY and DEV EUI
251 251  
252 252  [[image:1653298023685-319.png]]
253 253  
254 -
255 255  (((
256 256  **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.
257 257  )))
... ... @@ -258,7 +258,6 @@
258 258  
259 259  [[image:1653298044601-602.png||height="405" width="709"]]
260 260  
261 -
262 262  == 3.3 Uplink Payload ==
263 263  
264 264  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -340,79 +340,54 @@
340 340  * FIRST: Indicate this is the first packet after join network.
341 341  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
342 342  
343 -(((
344 344  (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
345 -)))
346 346  
347 -(((
348 348  **To use counting mode, please run:**
349 -)))
350 350  
351 351  (% class="box infomessage" %)
352 352  (((
353 -(((
354 354  **AT+MOD=2**
355 355  )))
356 -)))
357 357  
358 358  (% class="box infomessage" %)
359 359  (((
360 -(((
361 361  **ATZ**
362 362  )))
363 -)))
364 364  
365 -(((
366 366  (% style="color:#4f81bd" %)**AT Commands for counting:**
367 -)))
368 368  
369 -(((
370 370  **For LT22222-L:**
371 -)))
372 372  
373 373  (% class="box infomessage" %)
374 374  (((
375 -(((
376 376  **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
377 377  )))
378 -)))
379 379  
380 380  (% class="box infomessage" %)
381 381  (((
382 -(((
383 383  **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
384 384  )))
385 -)))
386 386  
387 387  (% class="box infomessage" %)
388 388  (((
389 -(((
390 390  **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
391 391  )))
392 -)))
393 393  
394 394  (% class="box infomessage" %)
395 395  (((
396 -(((
397 397  **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
398 398  )))
399 -)))
400 400  
401 401  (% class="box infomessage" %)
402 402  (((
403 -(((
404 404  **AT+SETCNT=1,60   (Set COUNT1 value to 60)**
405 405  )))
406 -)))
407 407  
408 408  (% class="box infomessage" %)
409 409  (((
410 -(((
411 411  **AT+SETCNT=2,60   (Set COUNT2 value to 60)**
412 412  )))
413 -)))
414 414  
415 -
416 416  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417 417  
418 418  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -429,34 +429,22 @@
429 429  * FIRST: Indicate this is the first packet after join network.
430 430  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
431 431  
432 -(((
433 433  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
434 -)))
435 435  
436 -(((
437 437  **To use counting mode, please run:**
438 -)))
439 439  
440 440  (% class="box infomessage" %)
441 441  (((
442 -(((
443 443  **AT+MOD=3**
444 444  )))
445 -)))
446 446  
447 447  (% class="box infomessage" %)
448 448  (((
449 -(((
450 450  **ATZ**
451 451  )))
452 -)))
453 453  
454 -(((
455 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
410 +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]].
456 456  
457 -
458 -)))
459 -
460 460  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
461 461  
462 462  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -475,69 +475,45 @@
475 475  * FIRST: Indicate this is the first packet after join network.
476 476  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
477 477  
478 -(((
479 479  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
480 -)))
481 481  
482 -(((
483 483  **To use this mode, please run:**
484 -)))
485 485  
486 486  (% class="box infomessage" %)
487 487  (((
488 -(((
489 489  **AT+MOD=4**
490 490  )))
491 -)))
492 492  
493 493  (% class="box infomessage" %)
494 494  (((
495 -(((
496 496  **ATZ**
497 497  )))
498 -)))
499 499  
500 -(((
501 -
502 -)))
503 503  
504 -(((
505 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
506 -)))
445 +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]].
507 507  
508 -(((
509 509  **Plus below command for AVI1 Counting:**
510 -)))
511 511  
512 512  (% class="box infomessage" %)
513 513  (((
514 -(((
515 515  **AT+SETCNT=3,60   (set AVI Count to 60)**
516 516  )))
517 -)))
518 518  
519 519  (% class="box infomessage" %)
520 520  (((
521 -(((
522 522  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
523 523  )))
524 -)))
525 525  
526 526  (% class="box infomessage" %)
527 527  (((
528 -(((
529 529  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
530 530  )))
531 -)))
532 532  
533 533  (% class="box infomessage" %)
534 534  (((
535 -(((
536 536  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
537 537  )))
538 -)))
539 539  
540 -
541 541  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
542 542  
543 543  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -550,38 +550,24 @@
550 550  
551 551  * RO is for relay. ROx=1 : close，ROx=0 always open.
552 552  * FIRST: Indicate this is the first packet after join network.
553 -* (((
554 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
555 -)))
481 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
556 556  
557 -(((
558 558  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
559 -)))
560 560  
561 -(((
562 562  **To use this mode, please run:**
563 -)))
564 564  
565 565  (% class="box infomessage" %)
566 566  (((
567 -(((
568 568  **AT+MOD=5**
569 569  )))
570 -)))
571 571  
572 572  (% class="box infomessage" %)
573 573  (((
574 -(((
575 575  **ATZ**
576 576  )))
577 -)))
578 578  
579 -(((
580 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
497 +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]].
581 581  
582 -
583 -)))
584 -
585 585  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
586 586  
587 587  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -702,13 +702,10 @@
702 702  
703 703  When device got this command, it will send the MOD6 payload.
704 704  
705 -
706 706  === 3.3.7 Payload Decoder ===
707 707  
708 708  (((
709 709  **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/]]
710 -
711 -
712 712  )))
713 713  
714 714  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -725,9 +725,8 @@
725 725  
726 726  === 3.4.1 Common Commands ===
727 727  
728 -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]]
639 +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/]]
729 729  
730 -
731 731  === 3.4.2 Sensor related commands ===
732 732  
733 733  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -750,7 +750,6 @@
750 750  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 751  )))
752 752  
753 -
754 754  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
755 755  
756 756  Set work mode.
... ... @@ -771,7 +771,6 @@
771 771  **0x0A aa     ~/~/ Same as AT+MOD=aa**
772 772  )))
773 773  
774 -
775 775  ==== 3.4.2.3 Poll an uplink ====
776 776  
777 777  * AT Command:
... ... @@ -787,7 +787,6 @@
787 787  
788 788  **Example**: 0x08FF, ask device to send an Uplink
789 789  
790 -
791 791  ==== 3.4.2.4 Enable Trigger Mode ====
792 792  
793 793  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]]
... ... @@ -810,7 +810,6 @@
810 810  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
811 811  )))
812 812  
813 -
814 814  ==== 3.4.2.5 Poll trigger settings ====
815 815  
816 816  Poll trigger settings,
... ... @@ -826,7 +826,6 @@
826 826  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
827 827  )))
828 828  
829 -
830 830  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
831 831  
832 832  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -849,7 +849,6 @@
849 849  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
850 850  )))
851 851  
852 -
853 853  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
854 854  
855 855  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -876,7 +876,6 @@
876 876  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
877 877  )))
878 878  
879 -
880 880  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
881 881  
882 882  Set DI2 trigger.
... ... @@ -903,7 +903,6 @@
903 903  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
904 904  )))
905 905  
906 -
907 907  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
908 908  
909 909  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]]
... ... @@ -922,7 +922,6 @@
922 922  **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]]**
923 923  )))
924 924  
925 -
926 926  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
927 927  
928 928  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]]
... ... @@ -941,7 +941,6 @@
941 941  **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]] **
942 942  )))
943 943  
944 -
945 945  ==== 3.4.2.11 Trigger – Set minimum interval ====
946 946  
947 947  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -960,7 +960,6 @@
960 960  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
961 961  )))
962 962  
963 -
964 964  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
965 965  
966 966  * AT Command:
... ... @@ -1003,10 +1003,8 @@
1003 1003  
1004 1004  (% class="box infomessage" %)
1005 1005  (((
1006 -(((
1007 1007  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1008 1008  )))
1009 -)))
1010 1010  
1011 1011  This is to control the digital output time of DO pin. Include four bytes:
1012 1012  
... ... @@ -1151,7 +1151,6 @@
1151 1151  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1152 1152  )))
1153 1153  
1154 -
1155 1155  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1156 1156  
1157 1157  * AT Command:
... ... @@ -1176,7 +1176,6 @@
1176 1176  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1177 1177  )))
1178 1178  
1179 -
1180 1180  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1181 1181  
1182 1182  Clear counting for counting mode
... ... @@ -1195,7 +1195,6 @@
1195 1195  **0x A6 01     ~/~/ clear all counting,**
1196 1196  )))
1197 1197  
1198 -
1199 1199  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1200 1200  
1201 1201  * AT Command:
... ... @@ -1212,28 +1212,21 @@
1212 1212  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1213 1213  )))
1214 1214  
1215 -(((
1216 1216  range: aa bb cc:0 to 16777215,  (unit:second)
1217 1217  
1218 -
1219 -)))
1220 -
1221 1221  == 3.5 Integrate with Mydevice ==
1222 1222  
1223 1223  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:
1224 1224  
1225 -(((
1226 1226  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1227 -)))
1228 1228  
1229 -(((
1230 1230  **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:
1231 -)))
1232 1232  
1233 1233  [[image:1653356737703-362.png||height="232" width="732"]]
1234 1234  
1235 1235  [[image:image-20220524094641-11.png||height="390" width="723"]]
1236 1236  
1123 +
1237 1237  [[image:image-20220524094641-12.png||height="402" width="718"]]
1238 1238  
1239 1239  **Step 3**: Create an account or log in Mydevices.
... ... @@ -1244,7 +1244,6 @@
1244 1244  
1245 1245  [[image:1653356838789-523.png||height="337" width="740"]]
1246 1246  
1247 -
1248 1248  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1249 1249  
1250 1250  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1257,7 +1257,6 @@
1257 1257  
1258 1258  [[image:image-20220524094909-5.png||height="341" width="734"]]
1259 1259  
1260 -
1261 1261  == 3.6 Interface Detail ==
1262 1262  
1263 1263  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1266,7 +1266,6 @@
1266 1266  
1267 1267  [[image:1653356991268-289.png]]
1268 1268  
1269 -
1270 1270  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1271 1271  
1272 1272  (((
... ... @@ -1282,105 +1282,51 @@
1282 1282  [[image:1653357170703-587.png]]
1283 1283  
1284 1284  (((
1285 -(((
1286 1286  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1287 1287  )))
1288 -)))
1289 1289  
1290 -(((
1291 -
1292 -)))
1293 1293  
1294 -(((
1295 1295  **Example1**: Connect to a Low active sensor.
1296 -)))
1297 1297  
1298 -(((
1299 1299  This type of sensor will output a low signal GND when active.
1300 -)))
1301 1301  
1302 -* (((
1303 -Connect sensor’s output to DI1-
1304 -)))
1305 -* (((
1306 -Connect sensor’s VCC to DI1+.
1307 -)))
1177 +* Connect sensor’s output to DI1-
1178 +* Connect sensor’s VCC to DI1+.
1308 1308  
1309 -(((
1310 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1311 -)))
1180 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1312 1312  
1313 -(((
1314 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1315 -)))
1182 + //IF// = DI1+ / 1K.
1316 1316  
1317 -(((
1318 -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.
1319 -)))
1184 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1320 1320  
1321 -(((
1322 -
1323 -)))
1324 1324  
1325 -(((
1326 1326  **Example2**: Connect to a High active sensor.
1327 -)))
1328 1328  
1329 -(((
1330 1330  This type of sensor will output a high signal (example 24v) when active.
1331 -)))
1332 1332  
1333 -* (((
1334 -Connect sensor’s output to DI1+
1335 -)))
1336 -* (((
1337 -Connect sensor’s GND DI1-.
1338 -)))
1191 +* Connect sensor’s output to DI1+
1192 +* Connect sensor’s GND DI1-.
1339 1339  
1340 -(((
1341 1341  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1342 -)))
1343 1343  
1344 -(((
1345 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1346 -)))
1196 +[[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.**
1347 1347  
1348 -(((
1349 -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.
1350 -)))
1198 +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.
1351 1351  
1352 -(((
1353 -
1354 -)))
1355 1355  
1356 -(((
1357 1357  **Example3**: Connect to a 220v high active sensor.
1358 -)))
1359 1359  
1360 -(((
1361 1361  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1362 -)))
1363 1363  
1364 -* (((
1365 -Connect sensor’s output to DI1+ with a serial 50K resistor
1366 -)))
1367 -* (((
1368 -Connect sensor’s GND DI1-.
1369 -)))
1205 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1206 +* Connect sensor’s GND DI1-.
1370 1370  
1371 -(((
1372 1372  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1373 -)))
1374 1374  
1375 -(((
1376 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1377 -)))
1210 + [[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.**
1378 1378  
1379 -(((
1380 -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.
1381 -)))
1212 +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.
1382 1382  
1383 -
1384 1384  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1385 1385  
1386 1386  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1387,7 +1387,6 @@
1387 1387  
1388 1388  [[image:1653357531600-905.png]]
1389 1389  
1390 -
1391 1391  === 3.6.4 Analog Input Interface ===
1392 1392  
1393 1393  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:
... ... @@ -1415,7 +1415,6 @@
1415 1415  
1416 1416  [[image:1653357648330-671.png||height="155" width="733"]]
1417 1417  
1418 -
1419 1419  === 3.6.5 Relay Output ===
1420 1420  
1421 1421  (((
... ... @@ -1426,12 +1426,10 @@
1426 1426  
1427 1427  [[image:image-20220524100215-10.png||height="382" width="723"]]
1428 1428  
1429 -
1430 1430  == 3.7 LEDs Indicators ==
1431 1431  
1432 1432  [[image:image-20220524100748-11.png]]
1433 1433  
1434 -
1435 1435  = 4. Use AT Command =
1436 1436  
1437 1437  == 4.1 Access AT Command ==
... ... @@ -1440,15 +1440,11 @@
1440 1440  
1441 1441  [[image:1653358238933-385.png]]
1442 1442  
1443 -(((
1444 1444  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:
1445 -)))
1446 1446  
1447 1447  [[image:1653358355238-883.png]]
1448 1448  
1449 -(((
1450 1450  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/]]
1451 -)))
1452 1452  
1453 1453  (((
1454 1454  AT+<CMD>?        : Help on <CMD>
... ... @@ -1632,8 +1632,6 @@
1632 1632  
1633 1633  (((
1634 1634  AT+CFG: Print all settings
1635 -
1636 -
1637 1637  )))
1638 1638  
1639 1639  == 4.2 Common AT Command Sequence ==
... ... @@ -1675,8 +1675,6 @@
1675 1675  
1676 1676  (((
1677 1677  (% style="background-color:#dcdcdc" %)ATZ
1678 -
1679 -
1680 1680  )))
1681 1681  
1682 1682  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1758,7 +1758,6 @@
1758 1758  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1759 1759  ATZ
1760 1760  
1761 -
1762 1762  = 5. FAQ =
1763 1763  
1764 1764  == 5.1 How to upgrade the image? ==
... ... @@ -1771,13 +1771,11 @@
1771 1771  Below shows the hardware connection for how to upload an image to the LT:
1772 1772  * [[image:1653359603330-121.png]]
1773 1773  
1774 -(((
1775 1775  **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]].
1776 1776  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1777 1777  **Step3: **Open flashloader; choose the correct COM port to update.
1778 1778  **For LT-22222-L**:
1779 1779  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.
1780 -)))
1781 1781  
1782 1782   [[image:image-20220524103407-12.png]]
1783 1783  
... ... @@ -1789,7 +1789,6 @@
1789 1789  
1790 1790  [[image:1653360054704-518.png||height="186" width="745"]]
1791 1791  
1792 -
1793 1793  (((
1794 1794  (((
1795 1795  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1797,9 +1797,7 @@
1797 1797  )))
1798 1798  
1799 1799  (((
1800 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1801 -
1802 -
1614 +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.
1803 1803  )))
1804 1804  
1805 1805  (((
... ... @@ -1826,15 +1826,10 @@
1826 1826  [[image:1653360231087-571.png||height="401" width="727"]]
1827 1827  )))
1828 1828  
1829 -(((
1830 1830  (% 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.
1831 -)))
1832 1832  
1833 -(((
1834 1834  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1835 -)))
1836 1836  
1837 -(((
1838 1838  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1839 1839  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1840 1840  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1845,25 +1845,19 @@
1845 1845  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1846 1846  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1847 1847  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1848 -)))
1849 1849  
1850 -(((
1851 1851  As shown in below:
1852 -)))
1853 1853  
1854 1854  [[image:1653360498588-932.png||height="485" width="726"]]
1855 1855  
1856 -
1857 1857  == 5.4 Can I see counting event in Serial? ==
1858 1858  
1859 1859  (((
1860 1860  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.
1861 -
1862 -
1863 1863  )))
1864 1864  
1865 1865  (((
1866 -= 6. Trouble Shooting =
1667 += 6. Trouble Shooting =
1867 1867  )))
1868 1868  
1869 1869  (((
... ... @@ -1873,21 +1873,25 @@
1873 1873  )))
1874 1874  
1875 1875  (((
1876 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1677 +Please see this link for how to debug:
1877 1877  
1878 -
1679 +[[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/]]
1879 1879  )))
1880 1880  
1881 1881  (((
1683 +[[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]]
1684 +)))
1685 +
1686 +(((
1882 1882  == 6.2 Have trouble to upload image. ==
1883 1883  )))
1884 1884  
1885 1885  (((
1886 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1691 +See this link for trouble shooting:
1887 1887  )))
1888 1888  
1889 1889  (((
1890 -
1695 +[[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]]
1891 1891  )))
1892 1892  
1893 1893  (((
... ... @@ -1895,11 +1895,11 @@
1895 1895  )))
1896 1896  
1897 1897  (((
1898 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1703 +It might be about the channels mapping. Please see this link for detail:
1899 1899  )))
1900 1900  
1901 1901  (((
1902 -
1707 +[[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]]
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1918,61 +1918,34 @@
1918 1918  )))
1919 1919  )))
1920 1920  
1921 -(((
1922 1922  * (((
1923 1923  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1924 1924  )))
1925 -)))
1926 -
1927 -(((
1928 1928  * (((
1929 1929  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1930 1930  )))
1931 -)))
1932 -
1933 -(((
1934 1934  * (((
1935 1935  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1936 1936  )))
1937 -)))
1938 -
1939 -(((
1940 1940  * (((
1941 1941  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1942 1942  )))
1943 -)))
1944 -
1945 -(((
1946 1946  * (((
1947 1947  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1948 1948  )))
1949 -)))
1950 -
1951 -(((
1952 1952  * (((
1953 1953  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1954 1954  )))
1955 -)))
1956 -
1957 -(((
1958 1958  * (((
1959 1959  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1960 1960  )))
1961 -)))
1962 -
1963 -(((
1964 1964  * (((
1965 1965  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1966 1966  )))
1967 -)))
1968 1968  
1969 1969  (((
1970 -* (((
1971 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1752 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1972 1972  
1973 -
1974 -)))
1975 -
1976 1976  = 8. Packing Info =
1977 1977  )))
1978 1978  
... ... @@ -2003,8 +2003,6 @@
2003 2003  * Device Weight: 105g
2004 2004  * Package Size / pcs : 14.5 x 8 x 5 cm
2005 2005  * Weight / pcs : 170g
2006 -
2007 -
2008 2008  )))
2009 2009  )))
2010 2010  
... ... @@ -2026,8 +2026,6 @@
2026 2026  (((
2027 2027  (((
2028 2028   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2029 -
2030 -
2031 2031  )))
2032 2032  
2033 2033  (((
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