Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 93.1 >
edited by Bei Jinggeng
on 2022/08/24 15:56
To version < 102.1 >
edited by Bei Jinggeng
on 2022/10/28 17:08
>
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Summary

Details

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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  * (((
... ... @@ -209,13 +209,18 @@
209 209  * 1 x Counting Port
210 210  )))
211 211  
215 +
212 212  = 2. Power ON Device =
213 213  
214 214  
219 +(((
215 215  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.
221 +)))
216 216  
217 217  (((
218 218  PWR will on when device is properly powered.
225 +
226 +
219 219  )))
220 220  
221 221  [[image:1653297104069-180.png]]
... ... @@ -224,6 +224,7 @@
224 224  
225 225  = 3. Operation Mode =
226 226  
235 +
227 227  == 3.1 How it works? ==
228 228  
229 229  
... ... @@ -268,12 +268,12 @@
268 268  
269 269  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
270 270  
271 -Add APP EUI in the application.
280 +**Add APP EUI in the application.**
272 272  
273 273  [[image:1653297955910-247.png||height="321" width="716"]]
274 274  
275 275  
276 -Add APP KEY and DEV EUI
285 +**Add APP KEY and DEV EUI**
277 277  
278 278  [[image:1653298023685-319.png]]
279 279  
... ... @@ -281,6 +281,8 @@
281 281  
282 282  (((
283 283  (% 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.
293 +
294 +
284 284  )))
285 285  
286 286  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -303,7 +303,9 @@
303 303  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
304 304  
305 305  
317 +(((
306 306  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
319 +)))
307 307  
308 308  [[image:image-20220523174024-3.png]]
309 309  
... ... @@ -319,7 +319,7 @@
319 319  * DI is for digital input. DIx=1: high or float, DIx=0: low.
320 320  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
321 321  
322 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
335 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
323 323  
324 324  For example if payload is: [[image:image-20220523175847-2.png]]
325 325  
... ... @@ -358,7 +358,9 @@
358 358  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
359 359  
360 360  
374 +(((
361 361  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
376 +)))
362 362  
363 363  (((
364 364  Total : 11 bytes payload
... ... @@ -378,7 +378,7 @@
378 378  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
379 379  
380 380  (((
381 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
396 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
382 382  )))
383 383  
384 384  (((
... ... @@ -390,16 +390,22 @@
390 390  (% class="box infomessage" %)
391 391  (((
392 392  (((
408 +(((
393 393  **AT+MOD=2**
410 +)))
394 394  
412 +(((
395 395  **ATZ**
396 396  )))
397 397  )))
416 +)))
398 398  
399 399  (((
400 400  
401 401  
402 402  (% style="color:#4f81bd" %)**AT Commands for counting:**
422 +
423 +
403 403  )))
404 404  
405 405  (((
... ... @@ -441,7 +441,7 @@
441 441  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
442 442  
443 443  (((
444 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
465 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
445 445  )))
446 446  
447 447  
... ... @@ -452,11 +452,15 @@
452 452  (% class="box infomessage" %)
453 453  (((
454 454  (((
476 +(((
455 455  **AT+MOD=3**
478 +)))
456 456  
480 +(((
457 457  **ATZ**
458 458  )))
459 459  )))
484 +)))
460 460  
461 461  (((
462 462  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -467,9 +467,13 @@
467 467  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
468 468  
469 469  
495 +(((
470 470  **LT22222-L**: This mode the DI1 is used as a counting pin.
497 +)))
471 471  
499 +(((
472 472  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.
501 +)))
473 473  
474 474  [[image:image-20220523181903-8.png]]
475 475  
... ... @@ -485,7 +485,7 @@
485 485  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
486 486  
487 487  (((
488 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
517 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
489 489  )))
490 490  
491 491  (((
... ... @@ -497,14 +497,17 @@
497 497  (% class="box infomessage" %)
498 498  (((
499 499  (((
529 +(((
500 500  **AT+MOD=4**
531 +)))
501 501  
533 +(((
502 502  **ATZ**
503 503  )))
504 504  )))
537 +)))
505 505  
506 506  
507 -
508 508  (((
509 509  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
510 510  )))
... ... @@ -546,7 +546,7 @@
546 546  )))
547 547  
548 548  (((
549 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
581 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
550 550  )))
551 551  
552 552  (((
... ... @@ -558,11 +558,15 @@
558 558  (% class="box infomessage" %)
559 559  (((
560 560  (((
593 +(((
561 561  **AT+MOD=5**
595 +)))
562 562  
597 +(((
563 563  **ATZ**
564 564  )))
565 565  )))
601 +)))
566 566  
567 567  (((
568 568  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -592,6 +592,7 @@
592 592  
593 593  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
594 594  
631 +
595 595  **Example:**
596 596  
597 597  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)
... ... @@ -604,6 +604,7 @@
604 604  
605 605  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
606 606  
644 +
607 607  **Example:**
608 608  
609 609  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -622,6 +622,7 @@
622 622  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
623 623  
624 624  
663 +
625 625  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
626 626  
627 627  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -670,6 +670,7 @@
670 670  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
671 671  
672 672  
712 +
673 673  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
674 674  
675 675  [[image:image-20220524090249-3.png]]
... ... @@ -681,6 +681,7 @@
681 681  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
682 682  
683 683  
724 +
684 684  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
685 685  
686 686  [[image:image-20220524090456-4.png]]
... ... @@ -694,6 +694,7 @@
694 694  00000101: Means both DI1 and DI2 trigger are enabled.
695 695  
696 696  
738 +
697 697  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
698 698  
699 699  Downlink command to poll MOD6 status:
... ... @@ -709,7 +709,7 @@
709 709  (((
710 710  
711 711  
712 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
754 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
713 713  )))
714 714  
715 715  
... ... @@ -717,20 +717,28 @@
717 717  == 3.4 ​Configure LT via AT or Downlink ==
718 718  
719 719  
762 +(((
720 720  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
764 +)))
721 721  
722 722  (((
767 +(((
723 723  There are two kinds of Commands:
724 724  )))
770 +)))
725 725  
726 726  * (% 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]]
727 727  
728 728  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
729 729  
776 +
777 +
730 730  === 3.4.1 Common Commands ===
731 731  
732 732  
781 +(((
733 733  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]]
783 +)))
734 734  
735 735  
736 736  
... ... @@ -789,6 +789,7 @@
789 789  
790 790  **0x08 FF     **~/~/ Poll an uplink
791 791  
842 +
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 794  
... ... @@ -875,7 +875,6 @@
875 875  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
876 876  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
877 877  
878 -
879 879  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
880 880  
881 881  
... ... @@ -954,7 +954,7 @@
954 954  (((
955 955  
956 956  
957 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1007 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
958 958  )))
959 959  
960 960  
... ... @@ -982,11 +982,11 @@
982 982  [[image:image-20220524092754-5.png]]
983 983  
984 984  (((
985 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1035 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
986 986  )))
987 987  
988 988  (((
989 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1039 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
990 990  )))
991 991  
992 992  
... ... @@ -1035,7 +1035,7 @@
1035 1035  
1036 1036   Latching time. Unit: ms
1037 1037  
1038 -Device will upload a packet if downlink code executes successfully.
1088 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1039 1039  
1040 1040  
1041 1041  **Example payload:**
... ... @@ -1056,7 +1056,6 @@
1056 1056  
1057 1057  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1058 1058  
1059 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1060 1060  
1061 1061  
1062 1062  
... ... @@ -1085,7 +1085,7 @@
1085 1085  [[image:image-20220524093724-9.png]]
1086 1086  )))
1087 1087  
1088 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1137 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1089 1089  
1090 1090  
1091 1091  
... ... @@ -1116,12 +1116,12 @@
1116 1116  
1117 1117  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1118 1118  
1119 -[[image:image-20220714135731-1.png||height="406" width="627"]]
1168 +[[image:image-20221008095908-1.png||height="364" width="564"]]
1120 1120  
1121 1121  
1122 1122  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1123 1123  
1124 -Device will upload a packet if downlink code executes successfully.
1173 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1125 1125  
1126 1126  
1127 1127  **Example payload:**
... ... @@ -1142,10 +1142,8 @@
1142 1142  
1143 1143  Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1144 1144  
1145 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1146 1146  
1147 1147  
1148 -
1149 1149  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1150 1150  
1151 1151  
... ... @@ -1218,11 +1218,14 @@
1218 1218  (((
1219 1219  range: aa bb cc:0 to 16777215,  (unit:second)
1220 1220  
1268 +
1269 +
1221 1221  
1222 1222  )))
1223 1223  
1224 1224  ==== 3.4.2.20 Reset save DR DO state ====
1225 1225  
1275 +
1226 1226  * (% style="color:#037691" %)**AT Command:**
1227 1227  
1228 1228  **AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
... ... @@ -1237,8 +1237,11 @@
1237 1237  (((
1238 1238  
1239 1239  
1290 +
1291 +
1240 1240  ==== 3.4.2.21 Encrypted payload ====
1241 1241  
1294 +
1242 1242  * (% style="color:#037691" %)**AT Command:**
1243 1243  
1244 1244  **AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
... ... @@ -1246,8 +1246,11 @@
1246 1246  **AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1247 1247  
1248 1248  
1302 +
1303 +
1249 1249  ==== 3.4.2.22 Get sensor value ====
1250 1250  
1306 +
1251 1251  * (% style="color:#037691" %)**AT Command:**
1252 1252  
1253 1253  **AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
... ... @@ -1255,8 +1255,11 @@
1255 1255  **AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1256 1256  
1257 1257  
1314 +
1315 +
1258 1258  ==== 3.4.2.23 Resets the downlink packet count ====
1259 1259  
1318 +
1260 1260  * (% style="color:#037691" %)**AT Command:**
1261 1261  
1262 1262  **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)
... ... @@ -1264,8 +1264,11 @@
1264 1264  **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.
1265 1265  
1266 1266  
1326 +
1327 +
1267 1267  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1268 1268  
1330 +
1269 1269  * (% style="color:#037691" %)**AT Command:**
1270 1270  
1271 1271   **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)
... ... @@ -1277,8 +1277,12 @@
1277 1277  
1278 1278  **0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1279 1279  
1342 +
1343 +
1344 +
1280 1280  ==== 3.4.2.25 Copy downlink to uplink ====
1281 1281  
1347 +
1282 1282  * (% style="color:#037691" %)**AT Command**(%%)**:**
1283 1283  
1284 1284   **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.
... ... @@ -1285,10 +1285,13 @@
1285 1285  
1286 1286  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.
1287 1287  
1354 +
1288 1288  [[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"]]
1289 1289  
1290 1290  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1291 1291  
1359 +
1360 +
1292 1292  [[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"]]
1293 1293  
1294 1294  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
... ... @@ -1297,11 +1297,16 @@
1297 1297  
1298 1298  ==== 3.4.2.26 Query version number and frequency band 、TDC ====
1299 1299  
1369 +
1300 1300  * (((
1301 -(% style="color:#037691" %)**Downlink Payload**(%%)**: 26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1371 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1372 +
1373 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1374 +
1375 +
1302 1302  )))
1303 1303  
1304 -Example：
1378 +**Example：**
1305 1305  
1306 1306  [[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"]]
1307 1307  
... ... @@ -1407,10 +1407,10 @@
1407 1407  )))
1408 1408  
1409 1409  * (((
1410 -Connect sensor’s output to DI1-
1484 +Connect sensor's output to DI1-
1411 1411  )))
1412 1412  * (((
1413 -Connect sensor’s VCC to DI1+.
1487 +Connect sensor's VCC to DI1+.
1414 1414  )))
1415 1415  
1416 1416  (((
... ... @@ -1418,11 +1418,11 @@
1418 1418  )))
1419 1419  
1420 1420  (((
1421 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1495 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1422 1422  )))
1423 1423  
1424 1424  (((
1425 -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.
1499 +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.
1426 1426  )))
1427 1427  
1428 1428  (((
... ... @@ -1440,10 +1440,10 @@
1440 1440  )))
1441 1441  
1442 1442  * (((
1443 -Connect sensor’s output to DI1+
1517 +Connect sensor's output to DI1+
1444 1444  )))
1445 1445  * (((
1446 -Connect sensor’s GND DI1-.
1520 +Connect sensor's GND DI1-.
1447 1447  )))
1448 1448  
1449 1449  (((
... ... @@ -1473,10 +1473,10 @@
1473 1473  )))
1474 1474  
1475 1475  * (((
1476 -Connect sensor’s output to DI1+ with a serial 50K resistor
1550 +Connect sensor's output to DI1+ with a serial 50K resistor
1477 1477  )))
1478 1478  * (((
1479 -Connect sensor’s GND DI1-.
1553 +Connect sensor's GND DI1-.
1480 1480  )))
1481 1481  
1482 1482  (((
... ... @@ -1517,13 +1517,13 @@
1517 1517  We take the wind speed sensor as an example for reference only.
1518 1518  
1519 1519  
1520 -**Specifications of the wind speed sensor:**
1594 +(% style="color:blue" %)**Specifications of the wind speed sensor:**
1521 1521  
1522 -Red:  12~~24v
1596 +**Red:  12~~24v**
1523 1523  
1524 -Yellow:  4~~20mA
1598 +**Yellow:  4~~20mA**
1525 1525  
1526 -Black:  GND
1600 +**Black:  GND**
1527 1527  
1528 1528  
1529 1529  **Connection diagram:**
... ... @@ -1543,6 +1543,7 @@
1543 1543  
1544 1544  [[image:image-20220524100215-9.png]]
1545 1545  
1620 +
1546 1546  [[image:image-20220524100215-10.png||height="382" width="723"]]
1547 1547  
1548 1548  
... ... @@ -1560,8 +1560,14 @@
1560 1560  == 4.1 Access AT Command ==
1561 1561  
1562 1562  
1638 +(((
1563 1563  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.
1640 +)))
1564 1564  
1642 +(((
1643 +
1644 +)))
1645 +
1565 1565  [[image:1653358238933-385.png]]
1566 1566  
1567 1567  
... ... @@ -1589,7 +1589,7 @@
1589 1589  )))
1590 1590  
1591 1591  (((
1592 -AT+<CMD>=?       : Get the value
1673 +AT+<CMD>=?       :  Get the value
1593 1593  )))
1594 1594  
1595 1595  (((
... ... @@ -1617,11 +1617,11 @@
1617 1617  )))
1618 1618  
1619 1619  (((
1620 -AT+APPSKEY: Get or Set the Application Session Key
1701 +AT+APPSKEY:  Get or Set the Application Session Key
1621 1621  )))
1622 1622  
1623 1623  (((
1624 -AT+APPEUI: Get or Set the Application EUI
1705 +AT+APPEUI:  Get or Set the Application EUI
1625 1625  )))
1626 1626  
1627 1627  (((
... ... @@ -1633,7 +1633,7 @@
1633 1633  )))
1634 1634  
1635 1635  (((
1636 -AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1717 +AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1637 1637  )))
1638 1638  
1639 1639  (((
... ... @@ -1669,7 +1669,7 @@
1669 1669  )))
1670 1670  
1671 1671  (((
1672 -AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1753 +AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1673 1673  )))
1674 1674  
1675 1675  (((
... ... @@ -1713,7 +1713,7 @@
1713 1713  )))
1714 1714  
1715 1715  (((
1716 -AT+VER: Get current image version and Frequency Band
1797 +AT+VER:  Get current image version and Frequency Band
1717 1717  )))
1718 1718  
1719 1719  (((
... ... @@ -1721,7 +1721,7 @@
1721 1721  )))
1722 1722  
1723 1723  (((
1724 -AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1805 +AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1725 1725  )))
1726 1726  
1727 1727  (((
... ... @@ -1770,40 +1770,42 @@
1770 1770  (((
1771 1771  
1772 1772  
1773 -**If device has not joined network yet:**
1854 +(((
1855 +(% style="color:blue" %)**If device has not joined network yet:**
1774 1774  )))
1857 +)))
1775 1775  
1776 1776  (((
1777 -(% style="background-color:#dcdcdc" %)123456
1860 +(% style="background-color:#dcdcdc" %)**123456**
1778 1778  )))
1779 1779  
1780 1780  (((
1781 -(% style="background-color:#dcdcdc" %)AT+FDR
1864 +(% style="background-color:#dcdcdc" %)**AT+FDR**
1782 1782  )))
1783 1783  
1784 1784  (((
1785 -(% style="background-color:#dcdcdc" %)123456
1868 +(% style="background-color:#dcdcdc" %)**123456**
1786 1786  )))
1787 1787  
1788 1788  (((
1789 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1872 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1790 1790  )))
1791 1791  
1792 1792  (((
1793 -(% style="background-color:#dcdcdc" %)ATZ
1876 +(% style="background-color:#dcdcdc" %)**ATZ**
1794 1794  )))
1795 1795  
1796 1796  
1797 1797  (((
1798 -**If device already joined network:**
1881 +(% style="color:blue" %)**If device already joined network:**
1799 1799  )))
1800 1800  
1801 1801  (((
1802 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1885 +(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1803 1803  )))
1804 1804  
1805 1805  (((
1806 -(% style="background-color:#dcdcdc" %)ATZ
1889 +(% style="background-color:#dcdcdc" %)**ATZ**
1807 1807  )))
1808 1808  
1809 1809  
... ... @@ -1813,55 +1813,57 @@
1813 1813  (((
1814 1814  
1815 1815  
1816 -(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1899 +(((
1900 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1817 1817  )))
1902 +)))
1818 1818  
1819 1819  (((
1820 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1905 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1821 1821  )))
1822 1822  
1823 1823  (((
1824 -(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1909 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1825 1825  )))
1826 1826  
1827 1827  (((
1828 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1913 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1829 1829  )))
1830 1830  
1831 1831  (((
1832 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1917 +(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1833 1833  )))
1834 1834  
1835 1835  (((
1836 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1921 +(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1837 1837  )))
1838 1838  
1839 1839  (((
1840 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1925 +(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1841 1841  )))
1842 1842  
1843 1843  (((
1844 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1929 +(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1845 1845  )))
1846 1846  
1847 1847  (((
1848 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1933 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1849 1849  )))
1850 1850  
1851 1851  (((
1852 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1937 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1853 1853  )))
1854 1854  
1855 1855  (((
1856 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1941 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1857 1857  )))
1858 1858  
1859 1859  (((
1860 -(% 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.
1945 +(% 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.
1861 1861  )))
1862 1862  
1863 1863  (((
1864 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1949 +(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1865 1865  
1866 1866  
1867 1867  )))
... ... @@ -1871,11 +1871,15 @@
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1875 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1876 -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.
1877 -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
1959 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
1878 1878  
1961 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1962 +
1963 +**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?
1964 +dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1965 +
1966 +**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**
1967 +
1879 1879  
1880 1880  )))
1881 1881  
... ... @@ -1891,12 +1891,15 @@
1891 1891  === 4.2.3 Change to Class A ===
1892 1892  
1893 1893  
1894 -If sensor JOINED
1895 -(% style="background-color:#dcdcdc" %)AT+CLASS=A
1896 -ATZ
1983 +(((
1984 +(% style="color:blue" %)If sensor JOINED:
1897 1897  
1986 +(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1987 +ATZ**
1988 +)))
1898 1898  
1899 1899  
1991 +
1900 1900  = 5. FAQ =
1901 1901  
1902 1902  
... ... @@ -1916,12 +1916,14 @@
1916 1916  
1917 1917  (((
1918 1918  (% 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]].
1919 -(% 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/]].
2011 +(% 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]].
1920 1920  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1921 1921  
1922 1922  
2015 +(((
1923 1923  (% style="color:blue" %)**For LT-22222-L**(%%):
1924 1924  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.
2018 +)))
1925 1925  
1926 1926  
1927 1927  )))
... ... @@ -1972,6 +1972,7 @@
1972 1972  (((
1973 1973  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1974 1974  
2069 +
1975 1975  
1976 1976  )))
1977 1977  )))
... ... @@ -1978,10 +1978,14 @@
1978 1978  
1979 1979  (((
1980 1980  (% 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.
2076 +
2077 +
1981 1981  )))
1982 1982  
1983 1983  (((
1984 1984  [[image:1653360231087-571.png||height="401" width="727"]]
2082 +
2083 +
1985 1985  )))
1986 1986  
1987 1987  (((
... ... @@ -1989,21 +1989,23 @@
1989 1989  )))
1990 1990  
1991 1991  
2091 +
1992 1992  (((
1993 1993  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2094 +
2095 +
1994 1994  )))
1995 1995  
1996 1996  (((
1997 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1998 -(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1999 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
2000 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
2001 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
2002 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
2003 -(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
2004 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
2005 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
2006 -(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2099 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2100 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2101 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2102 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2103 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2104 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2105 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2106 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2107 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2007 2007  )))
2008 2008  
2009 2009  
... ... @@ -2026,7 +2026,7 @@
2026 2026  == 5.5 Can i use point to point communication for LT-22222-L? ==
2027 2027  
2028 2028  
2029 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2130 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2030 2030  
2031 2031  
2032 2032  
... ... @@ -2046,7 +2046,19 @@
2046 2046  
2047 2047  
2048 2048  
2150 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2151 +
2152 +
2153 +LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2154 +
2155 +
2156 +[[image:image-20221006170630-1.png||height="610" width="945"]]
2157 +
2158 +
2159 +
2049 2049  = 6. Trouble Shooting =
2161 +
2162 +
2050 2050  )))
2051 2051  
2052 2052  (((
... ... @@ -2106,6 +2106,7 @@
2106 2106  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2107 2107  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2108 2108  
2222 +
2109 2109  = 8. Packing Info =
2110 2110  
2111 2111  
... ... @@ -2123,6 +2123,7 @@
2123 2123  * Package Size / pcs : 14.5 x 8 x 5 cm
2124 2124  * Weight / pcs : 170g
2125 2125  
2240 +
2126 2126  = 9. Support =
2127 2127  
2128 2128  
... ... @@ -2143,5 +2143,3 @@
2143 2143  * 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]]
2144 2144  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2145 2145  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2146 -
2147 -
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