Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 101.3 >
edited by Xiaoling
on 2022/10/25 15:22
To version < 91.1 >
edited by Bei Jinggeng
on 2022/08/24 10:10
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -15,16 +15,13 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 22  
23 23  
24 -(((
25 25  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.
26 26  )))
27 -)))
28 28  
29 29  (((
30 30  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.
... ... @@ -60,7 +60,7 @@
60 60  (((
61 61  
62 62  
63 -(% style="color:#037691" %)**Hardware System:**
60 +**Hardware System:**
64 64  )))
65 65  
66 66  * (((
... ... @@ -85,7 +85,7 @@
85 85  (((
86 86  
87 87  
88 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85 +**Interface for Model: LT22222-L:**
89 89  )))
90 90  
91 91  * (((
... ... @@ -110,7 +110,7 @@
110 110  (((
111 111  
112 112  
113 -(% style="color:#037691" %)**LoRa Spec:**
110 +**LoRa Spec:**
114 114  )))
115 115  
116 116  * (((
... ... @@ -180,12 +180,15 @@
180 180  
181 181  * LoRaWAN Class A & Class C protocol
182 182  * Optional Customized LoRa Protocol
183 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
180 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
184 184  * AT Commands to change parameters
185 185  * Remote configure parameters via LoRa Downlink
186 186  * Firmware upgradable via program port
187 187  * Counting
188 188  
186 +
187 +
188 +
189 189  == 1.4  Applications ==
190 190  
191 191  
... ... @@ -196,6 +196,9 @@
196 196  * Smart Cities
197 197  * Smart Factory
198 198  
199 +
200 +
201 +
199 199  == 1.5 Hardware Variants ==
200 200  
201 201  
... ... @@ -210,17 +210,15 @@
210 210  * 1 x Counting Port
211 211  )))
212 212  
216 +
217 +
213 213  = 2. Power ON Device =
214 214  
215 215  
216 -(((
217 217  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.
218 -)))
219 219  
220 220  (((
221 221  PWR will on when device is properly powered.
222 -
223 -
224 224  )))
225 225  
226 226  [[image:1653297104069-180.png]]
... ... @@ -229,7 +229,6 @@
229 229  
230 230  = 3. Operation Mode =
231 231  
232 -
233 233  == 3.1 How it works? ==
234 234  
235 235  
... ... @@ -274,12 +274,12 @@
274 274  
275 275  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
276 276  
277 -**Add APP EUI in the application.**
277 +Add APP EUI in the application.
278 278  
279 279  [[image:1653297955910-247.png||height="321" width="716"]]
280 280  
281 281  
282 -**Add APP KEY and DEV EUI**
282 +Add APP KEY and DEV EUI
283 283  
284 284  [[image:1653298023685-319.png]]
285 285  
... ... @@ -287,8 +287,6 @@
287 287  
288 288  (((
289 289  (% 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.
290 -
291 -
292 292  )))
293 293  
294 294  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -307,12 +307,13 @@
307 307  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
308 308  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
309 309  
308 +
309 +
310 +
310 310  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
311 311  
312 312  
313 -(((
314 314  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
315 -)))
316 316  
317 317  [[image:image-20220523174024-3.png]]
318 318  
... ... @@ -328,7 +328,7 @@
328 328  * DI is for digital input. DIx=1: high or float, DIx=0: low.
329 329  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
330 330  
331 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
330 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
332 332  
333 333  For example if payload is: [[image:image-20220523175847-2.png]]
334 334  
... ... @@ -363,12 +363,13 @@
363 363  ** DO1 is high in case there is load between DO1 and V+.
364 364  ** DO1 LED is off in both case
365 365  
365 +
366 +
367 +
366 366  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
367 367  
368 368  
369 -(((
370 370  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
371 -)))
372 372  
373 373  (((
374 374  Total : 11 bytes payload
... ... @@ -388,7 +388,7 @@
388 388  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
389 389  
390 390  (((
391 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
391 +(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
392 392  )))
393 393  
394 394  (((
... ... @@ -400,22 +400,16 @@
400 400  (% class="box infomessage" %)
401 401  (((
402 402  (((
403 -(((
404 404  **AT+MOD=2**
405 -)))
406 406  
407 -(((
408 408  **ATZ**
409 409  )))
410 410  )))
411 -)))
412 412  
413 413  (((
414 414  
415 415  
416 416  (% style="color:#4f81bd" %)**AT Commands for counting:**
417 -
418 -
419 419  )))
420 420  
421 421  (((
... ... @@ -457,7 +457,7 @@
457 457  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
458 458  
459 459  (((
460 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
454 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
461 461  )))
462 462  
463 463  
... ... @@ -468,15 +468,11 @@
468 468  (% class="box infomessage" %)
469 469  (((
470 470  (((
471 -(((
472 472  **AT+MOD=3**
473 -)))
474 474  
475 -(((
476 476  **ATZ**
477 477  )))
478 478  )))
479 -)))
480 480  
481 481  (((
482 482  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -487,13 +487,9 @@
487 487  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
488 488  
489 489  
490 -(((
491 491  **LT22222-L**: This mode the DI1 is used as a counting pin.
492 -)))
493 493  
494 -(((
495 495  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.
496 -)))
497 497  
498 498  [[image:image-20220523181903-8.png]]
499 499  
... ... @@ -509,7 +509,7 @@
509 509  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
510 510  
511 511  (((
512 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
498 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
513 513  )))
514 514  
515 515  (((
... ... @@ -521,17 +521,14 @@
521 521  (% class="box infomessage" %)
522 522  (((
523 523  (((
524 -(((
525 525  **AT+MOD=4**
526 -)))
527 527  
528 -(((
529 529  **ATZ**
530 530  )))
531 531  )))
532 -)))
533 533  
534 534  
517 +
535 535  (((
536 536  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
537 537  )))
... ... @@ -573,7 +573,7 @@
573 573  )))
574 574  
575 575  (((
576 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
559 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
577 577  )))
578 578  
579 579  (((
... ... @@ -585,15 +585,11 @@
585 585  (% class="box infomessage" %)
586 586  (((
587 587  (((
588 -(((
589 589  **AT+MOD=5**
590 -)))
591 591  
592 -(((
593 593  **ATZ**
594 594  )))
595 595  )))
596 -)))
597 597  
598 598  (((
599 599  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -623,7 +623,6 @@
623 623  
624 624  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
625 625  
626 -
627 627  **Example:**
628 628  
629 629  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)
... ... @@ -636,7 +636,6 @@
636 636  
637 637  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
638 638  
639 -
640 640  **Example:**
641 641  
642 642  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -655,7 +655,6 @@
655 655  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
656 656  
657 657  
658 -
659 659  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
660 660  
661 661  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -704,7 +704,6 @@
704 704  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
705 705  
706 706  
707 -
708 708  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
709 709  
710 710  [[image:image-20220524090249-3.png]]
... ... @@ -716,7 +716,6 @@
716 716  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
717 717  
718 718  
719 -
720 720  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
721 721  
722 722  [[image:image-20220524090456-4.png]]
... ... @@ -730,7 +730,6 @@
730 730  00000101: Means both DI1 and DI2 trigger are enabled.
731 731  
732 732  
733 -
734 734  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
735 735  
736 736  Downlink command to poll MOD6 status:
... ... @@ -741,13 +741,12 @@
741 741  
742 742  
743 743  
744 -
745 745  === 3.3.7 Payload Decoder ===
746 746  
747 747  (((
748 748  
749 749  
750 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
722 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
751 751  )))
752 752  
753 753  
... ... @@ -755,26 +755,22 @@
755 755  == 3.4 ​Configure LT via AT or Downlink ==
756 756  
757 757  
758 -(((
759 759  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
760 -)))
761 761  
762 762  (((
763 -(((
764 764  There are two kinds of Commands:
765 765  )))
766 -)))
767 767  
768 768  * (% 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]]
769 769  
770 770  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
771 771  
740 +
741 +
772 772  === 3.4.1 Common Commands ===
773 773  
774 774  
775 -(((
776 776  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]]
777 -)))
778 778  
779 779  
780 780  
... ... @@ -833,7 +833,6 @@
833 833  
834 834  **0x08 FF     **~/~/ Poll an uplink
835 835  
836 -
837 837  **Example**: 0x08FF, ask device to send an Uplink
838 838  
839 839  
... ... @@ -920,6 +920,9 @@
920 920  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
921 921  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
922 922  
890 +
891 +
892 +
923 923  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
924 924  
925 925  
... ... @@ -998,7 +998,7 @@
998 998  (((
999 999  
1000 1000  
1001 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
971 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1002 1002  )))
1003 1003  
1004 1004  
... ... @@ -1026,11 +1026,11 @@
1026 1026  [[image:image-20220524092754-5.png]]
1027 1027  
1028 1028  (((
1029 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
999 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1030 1030  )))
1031 1031  
1032 1032  (((
1033 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1003 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1034 1034  )))
1035 1035  
1036 1036  
... ... @@ -1075,11 +1075,11 @@
1075 1075  [[image:image-20220524093351-8.png]]
1076 1076  
1077 1077  
1078 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1048 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1079 1079  
1080 1080   Latching time. Unit: ms
1081 1081  
1082 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1052 +Device will upload a packet if downlink code executes successfully.
1083 1083  
1084 1084  
1085 1085  **Example payload:**
... ... @@ -1128,7 +1128,7 @@
1128 1128  [[image:image-20220524093724-9.png]]
1129 1129  )))
1130 1130  
1131 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1101 +Device will upload a packet if downlink code executes successfully.
1132 1132  
1133 1133  
1134 1134  
... ... @@ -1159,12 +1159,12 @@
1159 1159  
1160 1160  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1161 1161  
1162 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1132 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1163 1163  
1164 1164  
1165 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1135 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1166 1166  
1167 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1137 +Device will upload a packet if downlink code executes successfully.
1168 1168  
1169 1169  
1170 1170  **Example payload:**
... ... @@ -1187,6 +1187,7 @@
1187 1187  
1188 1188  
1189 1189  
1160 +
1190 1190  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1191 1191  
1192 1192  
... ... @@ -1259,14 +1259,11 @@
1259 1259  (((
1260 1260  range: aa bb cc:0 to 16777215,  (unit:second)
1261 1261  
1262 -
1263 -
1264 1264  
1265 1265  )))
1266 1266  
1267 1267  ==== 3.4.2.20 Reset save DR DO state ====
1268 1268  
1269 -
1270 1270  * (% style="color:#037691" %)**AT Command:**
1271 1271  
1272 1272  **AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
... ... @@ -1276,16 +1276,13 @@
1276 1276  
1277 1277  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1278 1278  
1279 -**0x AD aa      **~/~/ same as AT+RODORET =aa
1247 +**0x AD aa  **~/~/ same as AT+RODORET =aa
1280 1280  
1281 1281  (((
1282 1282  
1283 1283  
1284 -
1285 -
1286 1286  ==== 3.4.2.21 Encrypted payload ====
1287 1287  
1288 -
1289 1289  * (% style="color:#037691" %)**AT Command:**
1290 1290  
1291 1291  **AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
... ... @@ -1293,11 +1293,8 @@
1293 1293  **AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1294 1294  
1295 1295  
1296 -
1297 -
1298 1298  ==== 3.4.2.22 Get sensor value ====
1299 1299  
1300 -
1301 1301  * (% style="color:#037691" %)**AT Command:**
1302 1302  
1303 1303  **AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
... ... @@ -1305,11 +1305,8 @@
1305 1305  **AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1306 1306  
1307 1307  
1308 -
1309 -
1310 1310  ==== 3.4.2.23 Resets the downlink packet count ====
1311 1311  
1312 -
1313 1313  * (% style="color:#037691" %)**AT Command:**
1314 1314  
1315 1315  **AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
... ... @@ -1317,11 +1317,8 @@
1317 1317  **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.
1318 1318  
1319 1319  
1320 -
1321 -
1322 1322  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1323 1323  
1324 -
1325 1325  * (% style="color:#037691" %)**AT Command:**
1326 1326  
1327 1327   **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
... ... @@ -1333,12 +1333,8 @@
1333 1333  
1334 1334  **0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1335 1335  
1336 -
1337 -
1338 -
1339 1339  ==== 3.4.2.25 Copy downlink to uplink ====
1340 1340  
1341 -
1342 1342  * (% style="color:#037691" %)**AT Command**(%%)**:**
1343 1343  
1344 1344   **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
... ... @@ -1345,13 +1345,10 @@
1345 1345  
1346 1346  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.
1347 1347  
1348 -
1349 1349  [[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"]]
1350 1350  
1351 1351  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1352 1352  
1353 -
1354 -
1355 1355  [[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"]]
1356 1356  
1357 1357  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1360,16 +1360,11 @@
1360 1360  
1361 1361  ==== 3.4.2.26 Query version number and frequency band 、TDC ====
1362 1362  
1363 -
1364 1364  * (((
1365 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1366 -
1367 -**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1368 -
1369 -
1313 +(% style="color:#037691" %)**Downlink Payload**(%%)**: 26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1370 1370  )))
1371 1371  
1372 -**Example：**
1316 +Example：
1373 1373  
1374 1374  [[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"]]
1375 1375  
... ... @@ -1475,10 +1475,10 @@
1475 1475  )))
1476 1476  
1477 1477  * (((
1478 -Connect sensor's output to DI1-
1422 +Connect sensor’s output to DI1-
1479 1479  )))
1480 1480  * (((
1481 -Connect sensor's VCC to DI1+.
1425 +Connect sensor’s VCC to DI1+.
1482 1482  )))
1483 1483  
1484 1484  (((
... ... @@ -1486,11 +1486,11 @@
1486 1486  )))
1487 1487  
1488 1488  (((
1489 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1433 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1490 1490  )))
1491 1491  
1492 1492  (((
1493 -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.
1437 +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.
1494 1494  )))
1495 1495  
1496 1496  (((
... ... @@ -1508,10 +1508,10 @@
1508 1508  )))
1509 1509  
1510 1510  * (((
1511 -Connect sensor's output to DI1+
1455 +Connect sensor’s output to DI1+
1512 1512  )))
1513 1513  * (((
1514 -Connect sensor's GND DI1-.
1458 +Connect sensor’s GND DI1-.
1515 1515  )))
1516 1516  
1517 1517  (((
... ... @@ -1541,10 +1541,10 @@
1541 1541  )))
1542 1542  
1543 1543  * (((
1544 -Connect sensor's output to DI1+ with a serial 50K resistor
1488 +Connect sensor’s output to DI1+ with a serial 50K resistor
1545 1545  )))
1546 1546  * (((
1547 -Connect sensor's GND DI1-.
1491 +Connect sensor’s GND DI1-.
1548 1548  )))
1549 1549  
1550 1550  (((
... ... @@ -1585,13 +1585,13 @@
1585 1585  We take the wind speed sensor as an example for reference only.
1586 1586  
1587 1587  
1588 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1532 +**Specifications of the wind speed sensor:**
1589 1589  
1590 -**Red:  12~~24v**
1534 +Red:  12~~24v
1591 1591  
1592 -**Yellow:  4~~20mA**
1536 +Yellow:  4~~20mA
1593 1593  
1594 -**Black:  GND**
1538 +Black:  GND
1595 1595  
1596 1596  
1597 1597  **Connection diagram:**
... ... @@ -1611,7 +1611,6 @@
1611 1611  
1612 1612  [[image:image-20220524100215-9.png]]
1613 1613  
1614 -
1615 1615  [[image:image-20220524100215-10.png||height="382" width="723"]]
1616 1616  
1617 1617  
... ... @@ -1629,14 +1629,8 @@
1629 1629  == 4.1 Access AT Command ==
1630 1630  
1631 1631  
1632 -(((
1633 1633  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.
1634 -)))
1635 1635  
1636 -(((
1637 -
1638 -)))
1639 -
1640 1640  [[image:1653358238933-385.png]]
1641 1641  
1642 1642  
... ... @@ -1664,7 +1664,7 @@
1664 1664  )))
1665 1665  
1666 1666  (((
1667 -AT+<CMD>=?       :  Get the value
1604 +AT+<CMD>=?       : Get the value
1668 1668  )))
1669 1669  
1670 1670  (((
... ... @@ -1692,11 +1692,11 @@
1692 1692  )))
1693 1693  
1694 1694  (((
1695 -AT+APPSKEY:  Get or Set the Application Session Key
1632 +AT+APPSKEY: Get or Set the Application Session Key
1696 1696  )))
1697 1697  
1698 1698  (((
1699 -AT+APPEUI:  Get or Set the Application EUI
1636 +AT+APPEUI: Get or Set the Application EUI
1700 1700  )))
1701 1701  
1702 1702  (((
... ... @@ -1708,7 +1708,7 @@
1708 1708  )))
1709 1709  
1710 1710  (((
1711 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1648 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1712 1712  )))
1713 1713  
1714 1714  (((
... ... @@ -1744,7 +1744,7 @@
1744 1744  )))
1745 1745  
1746 1746  (((
1747 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1684 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1748 1748  )))
1749 1749  
1750 1750  (((
... ... @@ -1788,7 +1788,7 @@
1788 1788  )))
1789 1789  
1790 1790  (((
1791 -AT+VER:  Get current image version and Frequency Band
1728 +AT+VER: Get current image version and Frequency Band
1792 1792  )))
1793 1793  
1794 1794  (((
... ... @@ -1796,7 +1796,7 @@
1796 1796  )))
1797 1797  
1798 1798  (((
1799 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1736 +AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1800 1800  )))
1801 1801  
1802 1802  (((
... ... @@ -1845,42 +1845,40 @@
1845 1845  (((
1846 1846  
1847 1847  
1848 -(((
1849 -(% style="color:blue" %)**If device has not joined network yet:**
1785 +**If device has not joined network yet:**
1850 1850  )))
1851 -)))
1852 1852  
1853 1853  (((
1854 -(% style="background-color:#dcdcdc" %)**123456**
1789 +(% style="background-color:#dcdcdc" %)123456
1855 1855  )))
1856 1856  
1857 1857  (((
1858 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1793 +(% style="background-color:#dcdcdc" %)AT+FDR
1859 1859  )))
1860 1860  
1861 1861  (((
1862 -(% style="background-color:#dcdcdc" %)**123456**
1797 +(% style="background-color:#dcdcdc" %)123456
1863 1863  )))
1864 1864  
1865 1865  (((
1866 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1801 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1867 1867  )))
1868 1868  
1869 1869  (((
1870 -(% style="background-color:#dcdcdc" %)**ATZ**
1805 +(% style="background-color:#dcdcdc" %)ATZ
1871 1871  )))
1872 1872  
1873 1873  
1874 1874  (((
1875 -(% style="color:blue" %)**If device already joined network:**
1810 +**If device already joined network:**
1876 1876  )))
1877 1877  
1878 1878  (((
1879 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1814 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1880 1880  )))
1881 1881  
1882 1882  (((
1883 -(% style="background-color:#dcdcdc" %)**ATZ**
1818 +(% style="background-color:#dcdcdc" %)ATZ
1884 1884  )))
1885 1885  
1886 1886  
... ... @@ -1890,57 +1890,55 @@
1890 1890  (((
1891 1891  
1892 1892  
1893 -(((
1894 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1828 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1895 1895  )))
1896 -)))
1897 1897  
1898 1898  (((
1899 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1832 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1900 1900  )))
1901 1901  
1902 1902  (((
1903 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1836 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1904 1904  )))
1905 1905  
1906 1906  (((
1907 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1840 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1908 1908  )))
1909 1909  
1910 1910  (((
1911 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1844 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1912 1912  )))
1913 1913  
1914 1914  (((
1915 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1848 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1916 1916  )))
1917 1917  
1918 1918  (((
1919 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1852 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1856 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1860 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1928 1928  )))
1929 1929  
1930 1930  (((
1931 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1864 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1932 1932  )))
1933 1933  
1934 1934  (((
1935 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1868 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1936 1936  )))
1937 1937  
1938 1938  (((
1939 -(% 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.
1872 +(% 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.
1940 1940  )))
1941 1941  
1942 1942  (((
1943 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1876 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1944 1944  
1945 1945  
1946 1946  )))
... ... @@ -1950,15 +1950,11 @@
1950 1950  )))
1951 1951  
1952 1952  (((
1953 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1886 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1887 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1888 +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.
1889 +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
1954 1954  
1955 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1956 -
1957 -**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?
1958 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1959 -
1960 -**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**
1961 -
1962 1962  
1963 1963  )))
1964 1964  
... ... @@ -1974,15 +1974,12 @@
1974 1974  === 4.2.3 Change to Class A ===
1975 1975  
1976 1976  
1977 -(((
1978 -(% style="color:blue" %)If sensor JOINED:
1906 +If sensor JOINED
1907 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1908 +ATZ
1979 1979  
1980 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1981 -ATZ**
1982 -)))
1983 1983  
1984 1984  
1985 -
1986 1986  = 5. FAQ =
1987 1987  
1988 1988  
... ... @@ -2002,14 +2002,12 @@
2002 2002  
2003 2003  (((
2004 2004  (% 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]].
2005 -(% 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]].
1931 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
2006 2006  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2007 2007  
2008 2008  
2009 -(((
2010 2010  (% style="color:blue" %)**For LT-22222-L**(%%):
2011 2011  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.
2012 -)))
2013 2013  
2014 2014  
2015 2015  )))
... ... @@ -2060,7 +2060,6 @@
2060 2060  (((
2061 2061  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2062 2062  
2063 -
2064 2064  
2065 2065  )))
2066 2066  )))
... ... @@ -2067,14 +2067,10 @@
2067 2067  
2068 2068  (((
2069 2069  (% 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.
2070 -
2071 -
2072 2072  )))
2073 2073  
2074 2074  (((
2075 2075  [[image:1653360231087-571.png||height="401" width="727"]]
2076 -
2077 -
2078 2078  )))
2079 2079  
2080 2080  (((
... ... @@ -2082,23 +2082,21 @@
2082 2082  )))
2083 2083  
2084 2084  
2085 -
2086 2086  (((
2087 2087  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2088 -
2089 -
2090 2090  )))
2091 2091  
2092 2092  (((
2093 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2094 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2095 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2096 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2097 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2098 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2099 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2100 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2101 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2009 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2010 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2011 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2012 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2013 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2014 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2015 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2016 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2017 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2018 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2102 2102  )))
2103 2103  
2104 2104  
... ... @@ -2141,19 +2141,7 @@
2141 2141  
2142 2142  
2143 2143  
2144 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2145 -
2146 -
2147 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2148 -
2149 -
2150 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2151 -
2152 -
2153 -
2154 2154  = 6. Trouble Shooting =
2155 -
2156 -
2157 2157  )))
2158 2158  
2159 2159  (((
... ... @@ -2214,7 +2214,6 @@
2214 2214  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2215 2215  
2216 2216  
2217 -
2218 2218  = 8. Packing Info =
2219 2219  
2220 2220  
... ... @@ -2233,7 +2233,6 @@
2233 2233  * Weight / pcs : 170g
2234 2234  
2235 2235  
2236 -
2237 2237  = 9. Support =
2238 2238  
2239 2239  
... ... @@ -2254,3 +2254,5 @@
2254 2254  * 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]]
2255 2255  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2256 2256  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2160 +
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