Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 98.1 >
edited by Edwin Chen
on 2022/10/06 17:06
To version < 90.11 >
edited by Xiaoling
on 2022/08/18 13:48
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Xiaoling
Content
... ... @@ -15,7 +15,6 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
... ... @@ -58,7 +58,7 @@
58 58  (((
59 59  
60 60  
61 -(% style="color:#037691" %)**Hardware System:**
60 +**Hardware System:**
62 62  )))
63 63  
64 64  * (((
... ... @@ -83,7 +83,7 @@
83 83  (((
84 84  
85 85  
86 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85 +**Interface for Model: LT22222-L:**
87 87  )))
88 88  
89 89  * (((
... ... @@ -108,7 +108,7 @@
108 108  (((
109 109  
110 110  
111 -(% style="color:#037691" %)**LoRa Spec:**
110 +**LoRa Spec:**
112 112  )))
113 113  
114 114  * (((
... ... @@ -178,7 +178,7 @@
178 178  
179 179  * LoRaWAN Class A & Class C protocol
180 180  * Optional Customized LoRa Protocol
181 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
180 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
182 182  * AT Commands to change parameters
183 183  * Remote configure parameters via LoRa Downlink
184 184  * Firmware upgradable via program port
... ... @@ -187,6 +187,7 @@
187 187  
188 188  
189 189  
189 +
190 190  == 1.4  Applications ==
191 191  
192 192  
... ... @@ -200,6 +200,7 @@
200 200  
201 201  
202 202  
203 +
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
... ... @@ -224,8 +224,6 @@
224 224  
225 225  (((
226 226  PWR will on when device is properly powered.
227 -
228 -
229 229  )))
230 230  
231 231  [[image:1653297104069-180.png]]
... ... @@ -234,7 +234,6 @@
234 234  
235 235  = 3. Operation Mode =
236 236  
237 -
238 238  == 3.1 How it works? ==
239 239  
240 240  
... ... @@ -313,6 +313,7 @@
313 313  
314 314  
315 315  
314 +
316 316  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
317 317  
318 318  
... ... @@ -332,10 +332,8 @@
332 332  * DI is for digital input. DIx=1: high or float, DIx=0: low.
333 333  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
334 334  
334 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
335 335  
336 -
337 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 -
339 339  For example if payload is: [[image:image-20220523175847-2.png]]
340 340  
341 341  
... ... @@ -354,8 +354,6 @@
354 354  * [1] RO1 relay channel is close and the RO1 LED is ON.
355 355  * [0] RO2 relay channel is open and RO2 LED is OFF;
356 356  
357 -
358 -
359 359  **LT22222-L:**
360 360  
361 361  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -398,7 +398,7 @@
398 398  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
399 399  
400 400  (((
401 -(% 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.
402 402  )))
403 403  
404 404  (((
... ... @@ -420,8 +420,6 @@
420 420  
421 421  
422 422  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 -
424 -
425 425  )))
426 426  
427 427  (((
... ... @@ -463,7 +463,7 @@
463 463  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
464 464  
465 465  (((
466 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
459 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
467 467  )))
468 468  
469 469  
... ... @@ -507,7 +507,7 @@
507 507  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
508 508  
509 509  (((
510 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
503 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
511 511  )))
512 512  
513 513  (((
... ... @@ -568,7 +568,7 @@
568 568  )))
569 569  
570 570  (((
571 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
564 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
572 572  )))
573 573  
574 574  (((
... ... @@ -602,16 +602,11 @@
602 602  * **AT+MOD=1 ** **~-~->**  The normal working mode
603 603  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
604 604  
605 -
606 -
607 607  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
608 608  
609 609  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
610 610  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
611 611  
612 -
613 -
614 -
615 615  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
616 616  
617 617  
... ... @@ -619,7 +619,6 @@
619 619  
620 620  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
621 621  
622 -
623 623  **Example:**
624 624  
625 625  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)
... ... @@ -632,7 +632,6 @@
632 632  
633 633  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
634 634  
635 -
636 636  **Example:**
637 637  
638 638  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -651,7 +651,6 @@
651 651  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
652 652  
653 653  
654 -
655 655  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
656 656  
657 657  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -695,14 +695,11 @@
695 695  
696 696  * Each bits shows if the corresponding trigger has been configured.
697 697  
698 -
699 -
700 700  **Example:**
701 701  
702 702  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
703 703  
704 704  
705 -
706 706  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
707 707  
708 708  [[image:image-20220524090249-3.png]]
... ... @@ -709,14 +709,11 @@
709 709  
710 710  * Each bits shows which status has been trigger on this uplink.
711 711  
712 -
713 -
714 714  **Example:**
715 715  
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]]
... ... @@ -723,8 +723,6 @@
723 723  
724 724  * Each bits shows which status has been trigger on this uplink.
725 725  
726 -
727 -
728 728  **Example:**
729 729  
730 730  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -732,7 +732,6 @@
732 732  00000101: Means both DI1 and DI2 trigger are enabled.
733 733  
734 734  
735 -
736 736  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
737 737  
738 738  Downlink command to poll MOD6 status:
... ... @@ -743,7 +743,6 @@
743 743  
744 744  
745 745  
746 -
747 747  === 3.3.7 Payload Decoder ===
748 748  
749 749  (((
... ... @@ -832,7 +832,6 @@
832 832  
833 833  **0x08 FF     **~/~/ Poll an uplink
834 834  
835 -
836 836  **Example**: 0x08FF, ask device to send an Uplink
837 837  
838 838  
... ... @@ -922,6 +922,7 @@
922 922  
923 923  
924 924  
899 +
925 925  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
926 926  
927 927  
... ... @@ -1000,7 +1000,7 @@
1000 1000  (((
1001 1001  
1002 1002  
1003 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
978 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1004 1004  )))
1005 1005  
1006 1006  
... ... @@ -1028,11 +1028,11 @@
1028 1028  [[image:image-20220524092754-5.png]]
1029 1029  
1030 1030  (((
1031 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
1006 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1032 1032  )))
1033 1033  
1034 1034  (((
1035 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1010 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1036 1036  )))
1037 1037  
1038 1038  
... ... @@ -1077,11 +1077,11 @@
1077 1077  [[image:image-20220524093351-8.png]]
1078 1078  
1079 1079  
1080 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1055 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1081 1081  
1082 1082   Latching time. Unit: ms
1083 1083  
1084 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1059 +Device will upload a packet if downlink code executes successfully.
1085 1085  
1086 1086  
1087 1087  **Example payload:**
... ... @@ -1130,7 +1130,7 @@
1130 1130  [[image:image-20220524093724-9.png]]
1131 1131  )))
1132 1132  
1133 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1108 +Device will upload a packet if downlink code executes successfully.
1134 1134  
1135 1135  
1136 1136  
... ... @@ -1164,9 +1164,9 @@
1164 1164  [[image:image-20220714135731-1.png||height="406" width="627"]]
1165 1165  
1166 1166  
1167 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1142 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1168 1168  
1169 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1144 +Device will upload a packet if downlink code executes successfully.
1170 1170  
1171 1171  
1172 1172  **Example payload:**
... ... @@ -1189,6 +1189,7 @@
1189 1189  
1190 1190  
1191 1191  
1167 +
1192 1192  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1193 1193  
1194 1194  
... ... @@ -1261,121 +1261,11 @@
1261 1261  (((
1262 1262  range: aa bb cc:0 to 16777215,  (unit:second)
1263 1263  
1264 -
1265 -
1266 1266  
1267 1267  )))
1268 1268  
1269 -==== 3.4.2.20 Reset save DR DO state ====
1270 1270  
1271 1271  
1272 -* (% style="color:#037691" %)**AT Command:**
1273 -
1274 -**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1275 -
1276 -**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1277 -
1278 -
1279 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1280 -
1281 -**0x AD aa      **~/~/ same as AT+RODORET =aa
1282 -
1283 -(((
1284 -
1285 -
1286 -
1287 -
1288 -==== 3.4.2.21 Encrypted payload ====
1289 -
1290 -
1291 -* (% style="color:#037691" %)**AT Command:**
1292 -
1293 -**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1294 -
1295 -**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1296 -
1297 -
1298 -
1299 -
1300 -==== 3.4.2.22 Get sensor value ====
1301 -
1302 -
1303 -* (% style="color:#037691" %)**AT Command:**
1304 -
1305 -**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1306 -
1307 -**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1308 -
1309 -
1310 -
1311 -
1312 -==== 3.4.2.23 Resets the downlink packet count ====
1313 -
1314 -
1315 -* (% style="color:#037691" %)**AT Command:**
1316 -
1317 -**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)
1318 -
1319 -**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.
1320 -
1321 -
1322 -
1323 -
1324 -==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1325 -
1326 -
1327 -* (% style="color:#037691" %)**AT Command:**
1328 -
1329 - **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)
1330 -
1331 - **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1332 -
1333 -
1334 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1335 -
1336 -**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1337 -
1338 -
1339 -
1340 -
1341 -==== 3.4.2.25 Copy downlink to uplink ====
1342 -
1343 -
1344 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1345 -
1346 - **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.
1347 -
1348 -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.
1349 -
1350 -[[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"]]
1351 -
1352 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1353 -
1354 -[[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"]]
1355 -
1356 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1357 -
1358 -
1359 -
1360 -==== 3.4.2.26 Query version number and frequency band 、TDC ====
1361 -
1362 -
1363 -* (((
1364 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1365 -
1366 -**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 -
1368 -
1369 -)))
1370 -
1371 -**Example：**
1372 -
1373 -[[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"]]
1374 -
1375 -
1376 -
1377 -)))
1378 -
1379 1379  == 3.5 Integrate with Mydevice ==
1380 1380  
1381 1381  
... ... @@ -1474,10 +1474,10 @@
1474 1474  )))
1475 1475  
1476 1476  * (((
1477 -Connect sensor's output to DI1-
1343 +Connect sensor’s output to DI1-
1478 1478  )))
1479 1479  * (((
1480 -Connect sensor's VCC to DI1+.
1346 +Connect sensor’s VCC to DI1+.
1481 1481  )))
1482 1482  
1483 1483  (((
... ... @@ -1485,11 +1485,11 @@
1485 1485  )))
1486 1486  
1487 1487  (((
1488 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1354 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1489 1489  )))
1490 1490  
1491 1491  (((
1492 -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.
1358 +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.
1493 1493  )))
1494 1494  
1495 1495  (((
... ... @@ -1507,10 +1507,10 @@
1507 1507  )))
1508 1508  
1509 1509  * (((
1510 -Connect sensor's output to DI1+
1376 +Connect sensor’s output to DI1+
1511 1511  )))
1512 1512  * (((
1513 -Connect sensor's GND DI1-.
1379 +Connect sensor’s GND DI1-.
1514 1514  )))
1515 1515  
1516 1516  (((
... ... @@ -1540,10 +1540,10 @@
1540 1540  )))
1541 1541  
1542 1542  * (((
1543 -Connect sensor's output to DI1+ with a serial 50K resistor
1409 +Connect sensor’s output to DI1+ with a serial 50K resistor
1544 1544  )))
1545 1545  * (((
1546 -Connect sensor's GND DI1-.
1412 +Connect sensor’s GND DI1-.
1547 1547  )))
1548 1548  
1549 1549  (((
... ... @@ -1610,7 +1610,6 @@
1610 1610  
1611 1611  [[image:image-20220524100215-9.png]]
1612 1612  
1613 -
1614 1614  [[image:image-20220524100215-10.png||height="382" width="723"]]
1615 1615  
1616 1616  
... ... @@ -1984,7 +1984,7 @@
1984 1984  
1985 1985  (((
1986 1986  (% 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]].
1987 -(% 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]].
1852 +(% 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/]].
1988 1988  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1989 1989  
1990 1990  
... ... @@ -2040,7 +2040,6 @@
2040 2040  (((
2041 2041  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2042 2042  
2043 -
2044 2044  
2045 2045  )))
2046 2046  )))
... ... @@ -2047,14 +2047,10 @@
2047 2047  
2048 2048  (((
2049 2049  (% 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.
2050 -
2051 -
2052 2052  )))
2053 2053  
2054 2054  (((
2055 2055  [[image:1653360231087-571.png||height="401" width="727"]]
2056 -
2057 -
2058 2058  )))
2059 2059  
2060 2060  (((
... ... @@ -2062,11 +2062,8 @@
2062 2062  )))
2063 2063  
2064 2064  
2065 -
2066 2066  (((
2067 2067  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2068 -
2069 -
2070 2070  )))
2071 2071  
2072 2072  (((
... ... @@ -2123,8 +2123,6 @@
2123 2123  
2124 2124  
2125 2125  = 6. Trouble Shooting =
2126 -
2127 -
2128 2128  )))
2129 2129  
2130 2130  (((
... ... @@ -2186,7 +2186,6 @@
2186 2186  
2187 2187  
2188 2188  
2189 -
2190 2190  = 8. Packing Info =
2191 2191  
2192 2192  
... ... @@ -2206,7 +2206,6 @@
2206 2206  
2207 2207  
2208 2208  
2209 -
2210 2210  = 9. Support =
2211 2211  
2212 2212  
image-20221006170630-1.png
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... ... @@ -1,1 +1,0 @@
1 -XWiki.Edwin
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