Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 96.1 >
edited by Bei Jinggeng
on 2022/09/09 09:10
To version < 101.4 >
edited by Xiaoling
on 2022/10/25 15:24
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
... ... @@ -15,13 +15,16 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
21 21  
22 22  
24 +(((
23 23  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.
24 24  )))
27 +)))
25 25  
26 26  (((
27 27  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -57,7 +57,7 @@
57 57  (((
58 58  
59 59  
60 -**Hardware System:**
63 +(% style="color:#037691" %)**Hardware System:**
61 61  )))
62 62  
63 63  * (((
... ... @@ -82,7 +82,7 @@
82 82  (((
83 83  
84 84  
85 -**Interface for Model: LT22222-L:**
88 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
86 86  )))
87 87  
88 88  * (((
... ... @@ -107,7 +107,7 @@
107 107  (((
108 108  
109 109  
110 -**LoRa Spec:**
113 +(% style="color:#037691" %)**LoRa Spec:**
111 111  )))
112 112  
113 113  * (((
... ... @@ -183,6 +183,8 @@
183 183  * Firmware upgradable via program port
184 184  * Counting
185 185  
189 +
190 +
186 186  == 1.4  Applications ==
187 187  
188 188  
... ... @@ -193,6 +193,8 @@
193 193  * Smart Cities
194 194  * Smart Factory
195 195  
201 +
202 +
196 196  == 1.5 Hardware Variants ==
197 197  
198 198  
... ... @@ -207,13 +207,19 @@
207 207  * 1 x Counting Port
208 208  )))
209 209  
217 +
218 +
210 210  = 2. Power ON Device =
211 211  
212 212  
222 +(((
213 213  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.
224 +)))
214 214  
215 215  (((
216 216  PWR will on when device is properly powered.
228 +
229 +
217 217  )))
218 218  
219 219  [[image:1653297104069-180.png]]
... ... @@ -222,6 +222,7 @@
222 222  
223 223  = 3. Operation Mode =
224 224  
238 +
225 225  == 3.1 How it works? ==
226 226  
227 227  
... ... @@ -266,12 +266,12 @@
266 266  
267 267  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
268 268  
269 -Add APP EUI in the application.
283 +**Add APP EUI in the application.**
270 270  
271 271  [[image:1653297955910-247.png||height="321" width="716"]]
272 272  
273 273  
274 -Add APP KEY and DEV EUI
288 +**Add APP KEY and DEV EUI**
275 275  
276 276  [[image:1653298023685-319.png]]
277 277  
... ... @@ -279,6 +279,8 @@
279 279  
280 280  (((
281 281  (% style="color:blue" %)**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.
296 +
297 +
282 282  )))
283 283  
284 284  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -297,10 +297,14 @@
297 297  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
298 298  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
299 299  
316 +
317 +
300 300  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
301 301  
302 302  
321 +(((
303 303  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
323 +)))
304 304  
305 305  [[image:image-20220523174024-3.png]]
306 306  
... ... @@ -316,7 +316,7 @@
316 316  * DI is for digital input. DIx=1: high or float, DIx=0: low.
317 317  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
318 318  
319 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
339 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
320 320  
321 321  For example if payload is: [[image:image-20220523175847-2.png]]
322 322  
... ... @@ -351,10 +351,14 @@
351 351  ** DO1 is high in case there is load between DO1 and V+.
352 352  ** DO1 LED is off in both case
353 353  
374 +
375 +
354 354  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
355 355  
356 356  
379 +(((
357 357  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
381 +)))
358 358  
359 359  (((
360 360  Total : 11 bytes payload
... ... @@ -374,7 +374,7 @@
374 374  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
375 375  
376 376  (((
377 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
401 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
378 378  )))
379 379  
380 380  (((
... ... @@ -386,16 +386,22 @@
386 386  (% class="box infomessage" %)
387 387  (((
388 388  (((
413 +(((
389 389  **AT+MOD=2**
415 +)))
390 390  
417 +(((
391 391  **ATZ**
392 392  )))
393 393  )))
421 +)))
394 394  
395 395  (((
396 396  
397 397  
398 398  (% style="color:#4f81bd" %)**AT Commands for counting:**
427 +
428 +
399 399  )))
400 400  
401 401  (((
... ... @@ -437,7 +437,7 @@
437 437  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
438 438  
439 439  (((
440 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
470 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
441 441  )))
442 442  
443 443  
... ... @@ -448,11 +448,15 @@
448 448  (% class="box infomessage" %)
449 449  (((
450 450  (((
481 +(((
451 451  **AT+MOD=3**
483 +)))
452 452  
485 +(((
453 453  **ATZ**
454 454  )))
455 455  )))
489 +)))
456 456  
457 457  (((
458 458  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -463,9 +463,13 @@
463 463  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
464 464  
465 465  
500 +(((
466 466  **LT22222-L**: This mode the DI1 is used as a counting pin.
502 +)))
467 467  
504 +(((
468 468  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
506 +)))
469 469  
470 470  [[image:image-20220523181903-8.png]]
471 471  
... ... @@ -481,7 +481,7 @@
481 481  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
482 482  
483 483  (((
484 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
522 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
485 485  )))
486 486  
487 487  (((
... ... @@ -493,14 +493,17 @@
493 493  (% class="box infomessage" %)
494 494  (((
495 495  (((
534 +(((
496 496  **AT+MOD=4**
536 +)))
497 497  
538 +(((
498 498  **ATZ**
499 499  )))
500 500  )))
542 +)))
501 501  
502 502  
503 -
504 504  (((
505 505  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
506 506  )))
... ... @@ -542,7 +542,7 @@
542 542  )))
543 543  
544 544  (((
545 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
586 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
546 546  )))
547 547  
548 548  (((
... ... @@ -554,11 +554,15 @@
554 554  (% class="box infomessage" %)
555 555  (((
556 556  (((
598 +(((
557 557  **AT+MOD=5**
600 +)))
558 558  
602 +(((
559 559  **ATZ**
560 560  )))
561 561  )))
606 +)))
562 562  
563 563  (((
564 564  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -588,6 +588,7 @@
588 588  
589 589  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
590 590  
636 +
591 591  **Example:**
592 592  
593 593  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -600,6 +600,7 @@
600 600  
601 601  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
602 602  
649 +
603 603  **Example:**
604 604  
605 605  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -618,6 +618,7 @@
618 618  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
619 619  
620 620  
668 +
621 621  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
622 622  
623 623  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -666,6 +666,7 @@
666 666  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
667 667  
668 668  
717 +
669 669  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
670 670  
671 671  [[image:image-20220524090249-3.png]]
... ... @@ -677,6 +677,7 @@
677 677  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
678 678  
679 679  
729 +
680 680  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
681 681  
682 682  [[image:image-20220524090456-4.png]]
... ... @@ -690,6 +690,7 @@
690 690  00000101: Means both DI1 and DI2 trigger are enabled.
691 691  
692 692  
743 +
693 693  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
694 694  
695 695  Downlink command to poll MOD6 status:
... ... @@ -705,7 +705,7 @@
705 705  (((
706 706  
707 707  
708 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
759 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
709 709  )))
710 710  
711 711  
... ... @@ -713,20 +713,29 @@
713 713  == 3.4 ​Configure LT via AT or Downlink ==
714 714  
715 715  
767 +(((
716 716  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
769 +)))
717 717  
718 718  (((
772 +(((
719 719  There are two kinds of Commands:
720 720  )))
775 +)))
721 721  
722 722  * (% 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]]
723 723  
724 724  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
725 725  
781 +
782 +
783 +
726 726  === 3.4.1 Common Commands ===
727 727  
728 728  
787 +(((
729 729  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]]
789 +)))
730 730  
731 731  
732 732  
... ... @@ -785,6 +785,7 @@
785 785  
786 786  **0x08 FF     **~/~/ Poll an uplink
787 787  
848 +
788 788  **Example**: 0x08FF, ask device to send an Uplink
789 789  
790 790  
... ... @@ -949,7 +949,7 @@
949 949  (((
950 950  
951 951  
952 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1013 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
953 953  )))
954 954  
955 955  
... ... @@ -977,11 +977,11 @@
977 977  [[image:image-20220524092754-5.png]]
978 978  
979 979  (((
980 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1041 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
981 981  )))
982 982  
983 983  (((
984 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1045 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
985 985  )))
986 986  
987 987  
... ... @@ -1030,7 +1030,7 @@
1030 1030  
1031 1031   Latching time. Unit: ms
1032 1032  
1033 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1094 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1034 1034  
1035 1035  
1036 1036  **Example payload:**
... ... @@ -1079,7 +1079,7 @@
1079 1079  [[image:image-20220524093724-9.png]]
1080 1080  )))
1081 1081  
1082 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1143 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1083 1083  
1084 1084  
1085 1085  
... ... @@ -1110,12 +1110,12 @@
1110 1110  
1111 1111  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1112 1112  
1113 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1174 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1114 1114  
1115 1115  
1116 1116  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1117 1117  
1118 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1179 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1119 1119  
1120 1120  
1121 1121  **Example payload:**
... ... @@ -1210,6 +1210,8 @@
1210 1210  (((
1211 1211  range: aa bb cc:0 to 16777215,  (unit:second)
1212 1212  
1274 +
1275 +
1213 1213  
1214 1214  )))
1215 1215  
... ... @@ -1230,6 +1230,8 @@
1230 1230  (((
1231 1231  
1232 1232  
1296 +
1297 +
1233 1233  ==== 3.4.2.21 Encrypted payload ====
1234 1234  
1235 1235  
... ... @@ -1240,6 +1240,8 @@
1240 1240  **AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1241 1241  
1242 1242  
1308 +
1309 +
1243 1243  ==== 3.4.2.22 Get sensor value ====
1244 1244  
1245 1245  
... ... @@ -1250,6 +1250,8 @@
1250 1250  **AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1251 1251  
1252 1252  
1320 +
1321 +
1253 1253  ==== 3.4.2.23 Resets the downlink packet count ====
1254 1254  
1255 1255  
... ... @@ -1260,6 +1260,8 @@
1260 1260  **AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1261 1261  
1262 1262  
1332 +
1333 +
1263 1263  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1264 1264  
1265 1265  
... ... @@ -1275,6 +1275,8 @@
1275 1275  **0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1276 1276  
1277 1277  
1349 +
1350 +
1278 1278  ==== 3.4.2.25 Copy downlink to uplink ====
1279 1279  
1280 1280  
... ... @@ -1284,10 +1284,13 @@
1284 1284  
1285 1285  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1286 1286  
1360 +
1287 1287  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1288 1288  
1289 1289  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1290 1290  
1365 +
1366 +
1291 1291  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1292 1292  
1293 1293  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1300,10 +1300,12 @@
1300 1300  * (((
1301 1301  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1302 1302  
1303 -**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1379 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1380 +
1381 +
1304 1304  )))
1305 1305  
1306 -Example：
1384 +**Example：**
1307 1307  
1308 1308  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1309 1309  
... ... @@ -1409,10 +1409,10 @@
1409 1409  )))
1410 1410  
1411 1411  * (((
1412 -Connect sensor’s output to DI1-
1490 +Connect sensor's output to DI1-
1413 1413  )))
1414 1414  * (((
1415 -Connect sensor’s VCC to DI1+.
1493 +Connect sensor's VCC to DI1+.
1416 1416  )))
1417 1417  
1418 1418  (((
... ... @@ -1420,11 +1420,11 @@
1420 1420  )))
1421 1421  
1422 1422  (((
1423 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1501 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1424 1424  )))
1425 1425  
1426 1426  (((
1427 -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.
1505 +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.
1428 1428  )))
1429 1429  
1430 1430  (((
... ... @@ -1442,10 +1442,10 @@
1442 1442  )))
1443 1443  
1444 1444  * (((
1445 -Connect sensor’s output to DI1+
1523 +Connect sensor's output to DI1+
1446 1446  )))
1447 1447  * (((
1448 -Connect sensor’s GND DI1-.
1526 +Connect sensor's GND DI1-.
1449 1449  )))
1450 1450  
1451 1451  (((
... ... @@ -1475,10 +1475,10 @@
1475 1475  )))
1476 1476  
1477 1477  * (((
1478 -Connect sensor’s output to DI1+ with a serial 50K resistor
1556 +Connect sensor's output to DI1+ with a serial 50K resistor
1479 1479  )))
1480 1480  * (((
1481 -Connect sensor’s GND DI1-.
1559 +Connect sensor's GND DI1-.
1482 1482  )))
1483 1483  
1484 1484  (((
... ... @@ -1519,13 +1519,13 @@
1519 1519  We take the wind speed sensor as an example for reference only.
1520 1520  
1521 1521  
1522 -**Specifications of the wind speed sensor:**
1600 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1523 1523  
1524 -Red:  12~~24v
1602 +**Red:  12~~24v**
1525 1525  
1526 -Yellow:  4~~20mA
1604 +**Yellow:  4~~20mA**
1527 1527  
1528 -Black:  GND
1606 +**Black:  GND**
1529 1529  
1530 1530  
1531 1531  **Connection diagram:**
... ... @@ -1545,6 +1545,7 @@
1545 1545  
1546 1546  [[image:image-20220524100215-9.png]]
1547 1547  
1626 +
1548 1548  [[image:image-20220524100215-10.png||height="382" width="723"]]
1549 1549  
1550 1550  
... ... @@ -1562,8 +1562,14 @@
1562 1562  == 4.1 Access AT Command ==
1563 1563  
1564 1564  
1644 +(((
1565 1565  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1646 +)))
1566 1566  
1648 +(((
1649 +
1650 +)))
1651 +
1567 1567  [[image:1653358238933-385.png]]
1568 1568  
1569 1569  
... ... @@ -1591,7 +1591,7 @@
1591 1591  )))
1592 1592  
1593 1593  (((
1594 -AT+<CMD>=?       : Get the value
1679 +AT+<CMD>=?       :  Get the value
1595 1595  )))
1596 1596  
1597 1597  (((
... ... @@ -1619,11 +1619,11 @@
1619 1619  )))
1620 1620  
1621 1621  (((
1622 -AT+APPSKEY: Get or Set the Application Session Key
1707 +AT+APPSKEY:  Get or Set the Application Session Key
1623 1623  )))
1624 1624  
1625 1625  (((
1626 -AT+APPEUI: Get or Set the Application EUI
1711 +AT+APPEUI:  Get or Set the Application EUI
1627 1627  )))
1628 1628  
1629 1629  (((
... ... @@ -1635,7 +1635,7 @@
1635 1635  )))
1636 1636  
1637 1637  (((
1638 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1723 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1639 1639  )))
1640 1640  
1641 1641  (((
... ... @@ -1671,7 +1671,7 @@
1671 1671  )))
1672 1672  
1673 1673  (((
1674 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1759 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1675 1675  )))
1676 1676  
1677 1677  (((
... ... @@ -1715,7 +1715,7 @@
1715 1715  )))
1716 1716  
1717 1717  (((
1718 -AT+VER: Get current image version and Frequency Band
1803 +AT+VER:  Get current image version and Frequency Band
1719 1719  )))
1720 1720  
1721 1721  (((
... ... @@ -1723,7 +1723,7 @@
1723 1723  )))
1724 1724  
1725 1725  (((
1726 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1811 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1727 1727  )))
1728 1728  
1729 1729  (((
... ... @@ -1772,40 +1772,42 @@
1772 1772  (((
1773 1773  
1774 1774  
1775 -**If device has not joined network yet:**
1860 +(((
1861 +(% style="color:blue" %)**If device has not joined network yet:**
1776 1776  )))
1863 +)))
1777 1777  
1778 1778  (((
1779 -(% style="background-color:#dcdcdc" %)123456
1866 +(% style="background-color:#dcdcdc" %)**123456**
1780 1780  )))
1781 1781  
1782 1782  (((
1783 -(% style="background-color:#dcdcdc" %)AT+FDR
1870 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1784 1784  )))
1785 1785  
1786 1786  (((
1787 -(% style="background-color:#dcdcdc" %)123456
1874 +(% style="background-color:#dcdcdc" %)**123456**
1788 1788  )))
1789 1789  
1790 1790  (((
1791 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1878 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1792 1792  )))
1793 1793  
1794 1794  (((
1795 -(% style="background-color:#dcdcdc" %)ATZ
1882 +(% style="background-color:#dcdcdc" %)**ATZ**
1796 1796  )))
1797 1797  
1798 1798  
1799 1799  (((
1800 -**If device already joined network:**
1887 +(% style="color:blue" %)**If device already joined network:**
1801 1801  )))
1802 1802  
1803 1803  (((
1804 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1891 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1805 1805  )))
1806 1806  
1807 1807  (((
1808 -(% style="background-color:#dcdcdc" %)ATZ
1895 +(% style="background-color:#dcdcdc" %)**ATZ**
1809 1809  )))
1810 1810  
1811 1811  
... ... @@ -1815,55 +1815,57 @@
1815 1815  (((
1816 1816  
1817 1817  
1818 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1905 +(((
1906 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1819 1819  )))
1908 +)))
1820 1820  
1821 1821  (((
1822 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1911 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1823 1823  )))
1824 1824  
1825 1825  (((
1826 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1915 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1827 1827  )))
1828 1828  
1829 1829  (((
1830 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1919 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1831 1831  )))
1832 1832  
1833 1833  (((
1834 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1923 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1835 1835  )))
1836 1836  
1837 1837  (((
1838 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1927 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1839 1839  )))
1840 1840  
1841 1841  (((
1842 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1931 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1843 1843  )))
1844 1844  
1845 1845  (((
1846 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1935 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1847 1847  )))
1848 1848  
1849 1849  (((
1850 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1939 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1851 1851  )))
1852 1852  
1853 1853  (((
1854 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1943 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1855 1855  )))
1856 1856  
1857 1857  (((
1858 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1947 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1859 1859  )))
1860 1860  
1861 1861  (((
1862 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1951 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1863 1863  )))
1864 1864  
1865 1865  (((
1866 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1955 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1867 1867  
1868 1868  
1869 1869  )))
... ... @@ -1873,11 +1873,15 @@
1873 1873  )))
1874 1874  
1875 1875  (((
1876 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1877 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1878 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1879 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1965 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1880 1880  
1967 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1968 +
1969 +**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
1970 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1971 +
1972 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
1973 +
1881 1881  
1882 1882  )))
1883 1883  
... ... @@ -1893,12 +1893,15 @@
1893 1893  === 4.2.3 Change to Class A ===
1894 1894  
1895 1895  
1896 -If sensor JOINED
1897 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1898 -ATZ
1989 +(((
1990 +(% style="color:blue" %)If sensor JOINED:
1899 1899  
1992 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1993 +ATZ**
1994 +)))
1900 1900  
1901 1901  
1997 +
1902 1902  = 5. FAQ =
1903 1903  
1904 1904  
... ... @@ -1918,12 +1918,14 @@
1918 1918  
1919 1919  (((
1920 1920  (% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1921 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2017 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1922 1922  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1923 1923  
1924 1924  
2021 +(((
1925 1925  (% style="color:blue" %)**For LT-22222-L**(%%):
1926 1926  Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
2024 +)))
1927 1927  
1928 1928  
1929 1929  )))
... ... @@ -1974,6 +1974,7 @@
1974 1974  (((
1975 1975  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1976 1976  
2075 +
1977 1977  
1978 1978  )))
1979 1979  )))
... ... @@ -1980,10 +1980,14 @@
1980 1980  
1981 1981  (((
1982 1982  (% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2082 +
2083 +
1983 1983  )))
1984 1984  
1985 1985  (((
1986 1986  [[image:1653360231087-571.png||height="401" width="727"]]
2088 +
2089 +
1987 1987  )))
1988 1988  
1989 1989  (((
... ... @@ -1991,21 +1991,23 @@
1991 1991  )))
1992 1992  
1993 1993  
2097 +
1994 1994  (((
1995 1995  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2100 +
2101 +
1996 1996  )))
1997 1997  
1998 1998  (((
1999 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2000 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2001 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2002 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2003 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2004 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2005 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2006 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2007 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2008 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2105 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2106 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2107 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2108 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2109 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2110 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2111 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2112 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2113 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2009 2009  )))
2010 2010  
2011 2011  
... ... @@ -2048,7 +2048,19 @@
2048 2048  
2049 2049  
2050 2050  
2156 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2157 +
2158 +
2159 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2160 +
2161 +
2162 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2163 +
2164 +
2165 +
2051 2051  = 6. Trouble Shooting =
2167 +
2168 +
2052 2052  )))
2053 2053  
2054 2054  (((
... ... @@ -2108,6 +2108,8 @@
2108 2108  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2109 2109  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2110 2110  
2228 +
2229 +
2111 2111  = 8. Packing Info =
2112 2112  
2113 2113  
... ... @@ -2125,6 +2125,8 @@
2125 2125  * Package Size / pcs : 14.5 x 8 x 5 cm
2126 2126  * Weight / pcs : 170g
2127 2127  
2247 +
2248 +
2128 2128  = 9. Support =
2129 2129  
2130 2130  
... ... @@ -2145,5 +2145,3 @@
2145 2145  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2146 2146  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2147 2147  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2148 -
2149 -
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