Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 92.1 >
edited by Bei Jinggeng
on 2022/08/24 15:31
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  * (((
... ... @@ -212,13 +212,18 @@
212 212  )))
213 213  
214 214  
218 +
215 215  = 2. Power ON Device =
216 216  
217 217  
222 +(((
218 218  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 +)))
219 219  
220 220  (((
221 221  PWR will on when device is properly powered.
228 +
229 +
222 222  )))
223 223  
224 224  [[image:1653297104069-180.png]]
... ... @@ -227,6 +227,7 @@
227 227  
228 228  = 3. Operation Mode =
229 229  
238 +
230 230  == 3.1 How it works? ==
231 231  
232 232  
... ... @@ -271,12 +271,12 @@
271 271  
272 272  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
273 273  
274 -Add APP EUI in the application.
283 +**Add APP EUI in the application.**
275 275  
276 276  [[image:1653297955910-247.png||height="321" width="716"]]
277 277  
278 278  
279 -Add APP KEY and DEV EUI
288 +**Add APP KEY and DEV EUI**
280 280  
281 281  [[image:1653298023685-319.png]]
282 282  
... ... @@ -284,6 +284,8 @@
284 284  
285 285  (((
286 286  (% 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 +
287 287  )))
288 288  
289 289  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -307,7 +307,9 @@
307 307  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
308 308  
309 309  
321 +(((
310 310  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
323 +)))
311 311  
312 312  [[image:image-20220523174024-3.png]]
313 313  
... ... @@ -323,7 +323,7 @@
323 323  * DI is for digital input. DIx=1: high or float, DIx=0: low.
324 324  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
325 325  
326 -(% 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**
327 327  
328 328  For example if payload is: [[image:image-20220523175847-2.png]]
329 329  
... ... @@ -363,7 +363,9 @@
363 363  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
364 364  
365 365  
379 +(((
366 366  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
381 +)))
367 367  
368 368  (((
369 369  Total : 11 bytes payload
... ... @@ -383,7 +383,7 @@
383 383  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
384 384  
385 385  (((
386 -(% 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.**
387 387  )))
388 388  
389 389  (((
... ... @@ -395,16 +395,22 @@
395 395  (% class="box infomessage" %)
396 396  (((
397 397  (((
413 +(((
398 398  **AT+MOD=2**
415 +)))
399 399  
417 +(((
400 400  **ATZ**
401 401  )))
402 402  )))
421 +)))
403 403  
404 404  (((
405 405  
406 406  
407 407  (% style="color:#4f81bd" %)**AT Commands for counting:**
427 +
428 +
408 408  )))
409 409  
410 410  (((
... ... @@ -446,7 +446,7 @@
446 446  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
447 447  
448 448  (((
449 -(% 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.**
450 450  )))
451 451  
452 452  
... ... @@ -457,11 +457,15 @@
457 457  (% class="box infomessage" %)
458 458  (((
459 459  (((
481 +(((
460 460  **AT+MOD=3**
483 +)))
461 461  
485 +(((
462 462  **ATZ**
463 463  )))
464 464  )))
489 +)))
465 465  
466 466  (((
467 467  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -472,9 +472,13 @@
472 472  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
473 473  
474 474  
500 +(((
475 475  **LT22222-L**: This mode the DI1 is used as a counting pin.
502 +)))
476 476  
504 +(((
477 477  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 +)))
478 478  
479 479  [[image:image-20220523181903-8.png]]
480 480  
... ... @@ -490,7 +490,7 @@
490 490  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
491 491  
492 492  (((
493 -(% 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.**
494 494  )))
495 495  
496 496  (((
... ... @@ -502,14 +502,17 @@
502 502  (% class="box infomessage" %)
503 503  (((
504 504  (((
534 +(((
505 505  **AT+MOD=4**
536 +)))
506 506  
538 +(((
507 507  **ATZ**
508 508  )))
509 509  )))
542 +)))
510 510  
511 511  
512 -
513 513  (((
514 514  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
515 515  )))
... ... @@ -551,7 +551,7 @@
551 551  )))
552 552  
553 553  (((
554 -(% 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.**
555 555  )))
556 556  
557 557  (((
... ... @@ -563,11 +563,15 @@
563 563  (% class="box infomessage" %)
564 564  (((
565 565  (((
598 +(((
566 566  **AT+MOD=5**
600 +)))
567 567  
602 +(((
568 568  **ATZ**
569 569  )))
570 570  )))
606 +)))
571 571  
572 572  (((
573 573  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -597,6 +597,7 @@
597 597  
598 598  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
599 599  
636 +
600 600  **Example:**
601 601  
602 602  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)
... ... @@ -609,6 +609,7 @@
609 609  
610 610  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
611 611  
649 +
612 612  **Example:**
613 613  
614 614  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -627,6 +627,7 @@
627 627  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
628 628  
629 629  
668 +
630 630  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
631 631  
632 632  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -675,6 +675,7 @@
675 675  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
676 676  
677 677  
717 +
678 678  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
679 679  
680 680  [[image:image-20220524090249-3.png]]
... ... @@ -686,6 +686,7 @@
686 686  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
687 687  
688 688  
729 +
689 689  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
690 690  
691 691  [[image:image-20220524090456-4.png]]
... ... @@ -699,6 +699,7 @@
699 699  00000101: Means both DI1 and DI2 trigger are enabled.
700 700  
701 701  
743 +
702 702  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
703 703  
704 704  Downlink command to poll MOD6 status:
... ... @@ -714,7 +714,7 @@
714 714  (((
715 715  
716 716  
717 -**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]]
718 718  )))
719 719  
720 720  
... ... @@ -722,11 +722,15 @@
722 722  == 3.4 ​Configure LT via AT or Downlink ==
723 723  
724 724  
767 +(((
725 725  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
769 +)))
726 726  
727 727  (((
772 +(((
728 728  There are two kinds of Commands:
729 729  )))
775 +)))
730 730  
731 731  * (% 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]]
732 732  
... ... @@ -733,10 +733,14 @@
733 733  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
734 734  
735 735  
782 +
783 +
736 736  === 3.4.1 Common Commands ===
737 737  
738 738  
787 +(((
739 739  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 +)))
740 740  
741 741  
742 742  
... ... @@ -795,6 +795,7 @@
795 795  
796 796  **0x08 FF     **~/~/ Poll an uplink
797 797  
848 +
798 798  **Example**: 0x08FF, ask device to send an Uplink
799 799  
800 800  
... ... @@ -881,8 +881,6 @@
881 881  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
882 882  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
883 883  
884 -
885 -
886 886  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
887 887  
888 888  
... ... @@ -961,7 +961,7 @@
961 961  (((
962 962  
963 963  
964 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1013 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
965 965  )))
966 966  
967 967  
... ... @@ -989,11 +989,11 @@
989 989  [[image:image-20220524092754-5.png]]
990 990  
991 991  (((
992 -(% 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.**
993 993  )))
994 994  
995 995  (((
996 -(% 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.**
997 997  )))
998 998  
999 999  
... ... @@ -1038,11 +1038,11 @@
1038 1038  [[image:image-20220524093351-8.png]]
1039 1039  
1040 1040  
1041 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1090 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1042 1042  
1043 1043   Latching time. Unit: ms
1044 1044  
1045 -Device will upload a packet if downlink code executes successfully.
1094 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1046 1046  
1047 1047  
1048 1048  **Example payload:**
... ... @@ -1091,7 +1091,7 @@
1091 1091  [[image:image-20220524093724-9.png]]
1092 1092  )))
1093 1093  
1094 -Device will upload a packet if downlink code executes successfully.
1143 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1095 1095  
1096 1096  
1097 1097  
... ... @@ -1122,12 +1122,12 @@
1122 1122  
1123 1123  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1124 1124  
1125 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1174 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1126 1126  
1127 1127  
1128 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1177 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1129 1129  
1130 -Device will upload a packet if downlink code executes successfully.
1179 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1131 1131  
1132 1132  
1133 1133  **Example payload:**
... ... @@ -1150,7 +1150,6 @@
1150 1150  
1151 1151  
1152 1152  
1153 -
1154 1154  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1155 1155  
1156 1156  
... ... @@ -1223,11 +1223,14 @@
1223 1223  (((
1224 1224  range: aa bb cc:0 to 16777215,  (unit:second)
1225 1225  
1274 +
1275 +
1226 1226  
1227 1227  )))
1228 1228  
1229 1229  ==== 3.4.2.20 Reset save DR DO state ====
1230 1230  
1281 +
1231 1231  * (% style="color:#037691" %)**AT Command:**
1232 1232  
1233 1233  **AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
... ... @@ -1242,8 +1242,11 @@
1242 1242  (((
1243 1243  
1244 1244  
1296 +
1297 +
1245 1245  ==== 3.4.2.21 Encrypted payload ====
1246 1246  
1300 +
1247 1247  * (% style="color:#037691" %)**AT Command:**
1248 1248  
1249 1249  **AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
... ... @@ -1251,8 +1251,11 @@
1251 1251  **AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1252 1252  
1253 1253  
1308 +
1309 +
1254 1254  ==== 3.4.2.22 Get sensor value ====
1255 1255  
1312 +
1256 1256  * (% style="color:#037691" %)**AT Command:**
1257 1257  
1258 1258  **AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
... ... @@ -1260,8 +1260,11 @@
1260 1260  **AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1261 1261  
1262 1262  
1320 +
1321 +
1263 1263  ==== 3.4.2.23 Resets the downlink packet count ====
1264 1264  
1324 +
1265 1265  * (% style="color:#037691" %)**AT Command:**
1266 1266  
1267 1267  **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)
... ... @@ -1269,8 +1269,11 @@
1269 1269  **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.
1270 1270  
1271 1271  
1332 +
1333 +
1272 1272  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1273 1273  
1336 +
1274 1274  * (% style="color:#037691" %)**AT Command:**
1275 1275  
1276 1276   **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)
... ... @@ -1282,8 +1282,12 @@
1282 1282  
1283 1283  **0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1284 1284  
1348 +
1349 +
1350 +
1285 1285  ==== 3.4.2.25 Copy downlink to uplink ====
1286 1286  
1353 +
1287 1287  * (% style="color:#037691" %)**AT Command**(%%)**:**
1288 1288  
1289 1289   **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.
... ... @@ -1290,10 +1290,13 @@
1290 1290  
1291 1291  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.
1292 1292  
1360 +
1293 1293  [[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"]]
1294 1294  
1295 1295  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1296 1296  
1365 +
1366 +
1297 1297  [[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"]]
1298 1298  
1299 1299  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1302,11 +1302,16 @@
1302 1302  
1303 1303  ==== 3.4.2.26 Query version number and frequency band 、TDC ====
1304 1304  
1375 +
1305 1305  * (((
1306 -(% style="color:#037691" %)**Downlink Payload**(%%)**: 26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1377 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1378 +
1379 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1380 +
1381 +
1307 1307  )))
1308 1308  
1309 -Example：
1384 +**Example：**
1310 1310  
1311 1311  [[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"]]
1312 1312  
... ... @@ -1412,10 +1412,10 @@
1412 1412  )))
1413 1413  
1414 1414  * (((
1415 -Connect sensor’s output to DI1-
1490 +Connect sensor's output to DI1-
1416 1416  )))
1417 1417  * (((
1418 -Connect sensor’s VCC to DI1+.
1493 +Connect sensor's VCC to DI1+.
1419 1419  )))
1420 1420  
1421 1421  (((
... ... @@ -1423,11 +1423,11 @@
1423 1423  )))
1424 1424  
1425 1425  (((
1426 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1501 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1427 1427  )))
1428 1428  
1429 1429  (((
1430 -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.
1431 1431  )))
1432 1432  
1433 1433  (((
... ... @@ -1445,10 +1445,10 @@
1445 1445  )))
1446 1446  
1447 1447  * (((
1448 -Connect sensor’s output to DI1+
1523 +Connect sensor's output to DI1+
1449 1449  )))
1450 1450  * (((
1451 -Connect sensor’s GND DI1-.
1526 +Connect sensor's GND DI1-.
1452 1452  )))
1453 1453  
1454 1454  (((
... ... @@ -1478,10 +1478,10 @@
1478 1478  )))
1479 1479  
1480 1480  * (((
1481 -Connect sensor’s output to DI1+ with a serial 50K resistor
1556 +Connect sensor's output to DI1+ with a serial 50K resistor
1482 1482  )))
1483 1483  * (((
1484 -Connect sensor’s GND DI1-.
1559 +Connect sensor's GND DI1-.
1485 1485  )))
1486 1486  
1487 1487  (((
... ... @@ -1522,13 +1522,13 @@
1522 1522  We take the wind speed sensor as an example for reference only.
1523 1523  
1524 1524  
1525 -**Specifications of the wind speed sensor:**
1600 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1526 1526  
1527 -Red:  12~~24v
1602 +**Red:  12~~24v**
1528 1528  
1529 -Yellow:  4~~20mA
1604 +**Yellow:  4~~20mA**
1530 1530  
1531 -Black:  GND
1606 +**Black:  GND**
1532 1532  
1533 1533  
1534 1534  **Connection diagram:**
... ... @@ -1548,6 +1548,7 @@
1548 1548  
1549 1549  [[image:image-20220524100215-9.png]]
1550 1550  
1626 +
1551 1551  [[image:image-20220524100215-10.png||height="382" width="723"]]
1552 1552  
1553 1553  
... ... @@ -1565,8 +1565,14 @@
1565 1565  == 4.1 Access AT Command ==
1566 1566  
1567 1567  
1644 +(((
1568 1568  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 +)))
1569 1569  
1648 +(((
1649 +
1650 +)))
1651 +
1570 1570  [[image:1653358238933-385.png]]
1571 1571  
1572 1572  
... ... @@ -1594,7 +1594,7 @@
1594 1594  )))
1595 1595  
1596 1596  (((
1597 -AT+<CMD>=?       : Get the value
1679 +AT+<CMD>=?       :  Get the value
1598 1598  )))
1599 1599  
1600 1600  (((
... ... @@ -1622,11 +1622,11 @@
1622 1622  )))
1623 1623  
1624 1624  (((
1625 -AT+APPSKEY: Get or Set the Application Session Key
1707 +AT+APPSKEY:  Get or Set the Application Session Key
1626 1626  )))
1627 1627  
1628 1628  (((
1629 -AT+APPEUI: Get or Set the Application EUI
1711 +AT+APPEUI:  Get or Set the Application EUI
1630 1630  )))
1631 1631  
1632 1632  (((
... ... @@ -1638,7 +1638,7 @@
1638 1638  )))
1639 1639  
1640 1640  (((
1641 -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)  
1642 1642  )))
1643 1643  
1644 1644  (((
... ... @@ -1674,7 +1674,7 @@
1674 1674  )))
1675 1675  
1676 1676  (((
1677 -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)
1678 1678  )))
1679 1679  
1680 1680  (((
... ... @@ -1718,7 +1718,7 @@
1718 1718  )))
1719 1719  
1720 1720  (((
1721 -AT+VER: Get current image version and Frequency Band
1803 +AT+VER:  Get current image version and Frequency Band
1722 1722  )))
1723 1723  
1724 1724  (((
... ... @@ -1726,7 +1726,7 @@
1726 1726  )))
1727 1727  
1728 1728  (((
1729 -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)
1730 1730  )))
1731 1731  
1732 1732  (((
... ... @@ -1775,40 +1775,42 @@
1775 1775  (((
1776 1776  
1777 1777  
1778 -**If device has not joined network yet:**
1860 +(((
1861 +(% style="color:blue" %)**If device has not joined network yet:**
1779 1779  )))
1863 +)))
1780 1780  
1781 1781  (((
1782 -(% style="background-color:#dcdcdc" %)123456
1866 +(% style="background-color:#dcdcdc" %)**123456**
1783 1783  )))
1784 1784  
1785 1785  (((
1786 -(% style="background-color:#dcdcdc" %)AT+FDR
1870 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1787 1787  )))
1788 1788  
1789 1789  (((
1790 -(% style="background-color:#dcdcdc" %)123456
1874 +(% style="background-color:#dcdcdc" %)**123456**
1791 1791  )))
1792 1792  
1793 1793  (((
1794 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1878 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1795 1795  )))
1796 1796  
1797 1797  (((
1798 -(% style="background-color:#dcdcdc" %)ATZ
1882 +(% style="background-color:#dcdcdc" %)**ATZ**
1799 1799  )))
1800 1800  
1801 1801  
1802 1802  (((
1803 -**If device already joined network:**
1887 +(% style="color:blue" %)**If device already joined network:**
1804 1804  )))
1805 1805  
1806 1806  (((
1807 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1891 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1808 1808  )))
1809 1809  
1810 1810  (((
1811 -(% style="background-color:#dcdcdc" %)ATZ
1895 +(% style="background-color:#dcdcdc" %)**ATZ**
1812 1812  )))
1813 1813  
1814 1814  
... ... @@ -1818,55 +1818,57 @@
1818 1818  (((
1819 1819  
1820 1820  
1821 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1905 +(((
1906 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1822 1822  )))
1908 +)))
1823 1823  
1824 1824  (((
1825 -(% 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
1826 1826  )))
1827 1827  
1828 1828  (((
1829 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1915 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1830 1830  )))
1831 1831  
1832 1832  (((
1833 -(% 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
1834 1834  )))
1835 1835  
1836 1836  (((
1837 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1923 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1838 1838  )))
1839 1839  
1840 1840  (((
1841 -(% 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
1842 1842  )))
1843 1843  
1844 1844  (((
1845 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1931 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1846 1846  )))
1847 1847  
1848 1848  (((
1849 -(% 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
1850 1850  )))
1851 1851  
1852 1852  (((
1853 -(% 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
1854 1854  )))
1855 1855  
1856 1856  (((
1857 -(% 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)
1858 1858  )))
1859 1859  
1860 1860  (((
1861 -(% 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
1862 1862  )))
1863 1863  
1864 1864  (((
1865 -(% 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.
1866 1866  )))
1867 1867  
1868 1868  (((
1869 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1955 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1870 1870  
1871 1871  
1872 1872  )))
... ... @@ -1876,11 +1876,15 @@
1876 1876  )))
1877 1877  
1878 1878  (((
1879 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1880 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1881 -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.
1882 -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.**
1883 1883  
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 +
1884 1884  
1885 1885  )))
1886 1886  
... ... @@ -1896,12 +1896,15 @@
1896 1896  === 4.2.3 Change to Class A ===
1897 1897  
1898 1898  
1899 -If sensor JOINED
1900 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1901 -ATZ
1989 +(((
1990 +(% style="color:blue" %)If sensor JOINED:
1902 1902  
1992 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1993 +ATZ**
1994 +)))
1903 1903  
1904 1904  
1997 +
1905 1905  = 5. FAQ =
1906 1906  
1907 1907  
... ... @@ -1921,12 +1921,14 @@
1921 1921  
1922 1922  (((
1923 1923  (% 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]].
1924 -(% 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/]].
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]].
1925 1925  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1926 1926  
1927 1927  
2021 +(((
1928 1928  (% style="color:blue" %)**For LT-22222-L**(%%):
1929 1929  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 +)))
1930 1930  
1931 1931  
1932 1932  )))
... ... @@ -1977,6 +1977,7 @@
1977 1977  (((
1978 1978  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1979 1979  
2075 +
1980 1980  
1981 1981  )))
1982 1982  )))
... ... @@ -1983,10 +1983,14 @@
1983 1983  
1984 1984  (((
1985 1985  (% 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 +
1986 1986  )))
1987 1987  
1988 1988  (((
1989 1989  [[image:1653360231087-571.png||height="401" width="727"]]
2088 +
2089 +
1990 1990  )))
1991 1991  
1992 1992  (((
... ... @@ -1994,21 +1994,23 @@
1994 1994  )))
1995 1995  
1996 1996  
2097 +
1997 1997  (((
1998 1998  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2100 +
2101 +
1999 1999  )))
2000 2000  
2001 2001  (((
2002 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2003 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
2004 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2005 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2006 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2007 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2008 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2009 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2010 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2011 -(% 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
2012 2012  )))
2013 2013  
2014 2014  
... ... @@ -2051,7 +2051,19 @@
2051 2051  
2052 2052  
2053 2053  
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 +
2054 2054  = 6. Trouble Shooting =
2167 +
2168 +
2055 2055  )))
2056 2056  
2057 2057  (((
... ... @@ -2111,6 +2111,8 @@
2111 2111  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2112 2112  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2113 2113  
2228 +
2229 +
2114 2114  = 8. Packing Info =
2115 2115  
2116 2116  
... ... @@ -2128,6 +2128,8 @@
2128 2128  * Package Size / pcs : 14.5 x 8 x 5 cm
2129 2129  * Weight / pcs : 170g
2130 2130  
2247 +
2248 +
2131 2131  = 9. Support =
2132 2132  
2133 2133  
... ... @@ -2148,5 +2148,3 @@
2148 2148  * 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]]
2149 2149  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2150 2150  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2151 -
2152 -
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