Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 101.1 >
edited by Bei Jinggeng
on 2022/10/08 09:59
To version < 90.8 >
edited by Xiaoling
on 2022/08/18 13:42
>
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
... ... @@ -15,7 +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
... ... @@ -210,7 +210,6 @@
210 210  * 1 x Counting Port
211 211  )))
212 212  
213 -
214 214  = 2. Power ON Device =
215 215  
216 216  
... ... @@ -218,8 +218,6 @@
218 218  
219 219  (((
220 220  PWR will on when device is properly powered.
221 -
222 -
223 223  )))
224 224  
225 225  [[image:1653297104069-180.png]]
... ... @@ -228,7 +228,6 @@
228 228  
229 229  = 3. Operation Mode =
230 230  
231 -
232 232  == 3.1 How it works? ==
233 233  
234 234  
... ... @@ -324,7 +324,7 @@
324 324  * DI is for digital input. DIx=1: high or float, DIx=0: low.
325 325  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
326 326  
327 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
322 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
328 328  
329 329  For example if payload is: [[image:image-20220523175847-2.png]]
330 330  
... ... @@ -360,7 +360,6 @@
360 360  ** DO1 LED is off in both case
361 361  
362 362  
363 -
364 364  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
365 365  
366 366  
... ... @@ -384,7 +384,7 @@
384 384  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
385 385  
386 386  (((
387 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
381 +(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
388 388  )))
389 389  
390 390  (((
... ... @@ -406,8 +406,6 @@
406 406  
407 407  
408 408  (% style="color:#4f81bd" %)**AT Commands for counting:**
409 -
410 -
411 411  )))
412 412  
413 413  (((
... ... @@ -449,7 +449,7 @@
449 449  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
450 450  
451 451  (((
452 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
444 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
453 453  )))
454 454  
455 455  
... ... @@ -493,7 +493,7 @@
493 493  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
494 494  
495 495  (((
496 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
488 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
497 497  )))
498 498  
499 499  (((
... ... @@ -554,7 +554,7 @@
554 554  )))
555 555  
556 556  (((
557 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
549 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
558 558  )))
559 559  
560 560  (((
... ... @@ -593,7 +593,6 @@
593 593  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
594 594  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.**
595 595  
596 -
597 597  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
598 598  
599 599  
... ... @@ -601,7 +601,6 @@
601 601  
602 602  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
603 603  
604 -
605 605  **Example:**
606 606  
607 607  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)
... ... @@ -614,7 +614,6 @@
614 614  
615 615  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
616 616  
617 -
618 618  **Example:**
619 619  
620 620  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -633,7 +633,6 @@
633 633  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
634 634  
635 635  
636 -
637 637  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
638 638  
639 639  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -682,7 +682,6 @@
682 682  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
683 683  
684 684  
685 -
686 686  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
687 687  
688 688  [[image:image-20220524090249-3.png]]
... ... @@ -694,7 +694,6 @@
694 694  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
695 695  
696 696  
697 -
698 698  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
699 699  
700 700  [[image:image-20220524090456-4.png]]
... ... @@ -708,7 +708,6 @@
708 708  00000101: Means both DI1 and DI2 trigger are enabled.
709 709  
710 710  
711 -
712 712  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
713 713  
714 714  Downlink command to poll MOD6 status:
... ... @@ -719,7 +719,6 @@
719 719  
720 720  
721 721  
722 -
723 723  === 3.3.7 Payload Decoder ===
724 724  
725 725  (((
... ... @@ -744,6 +744,7 @@
744 744  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
745 745  
746 746  
731 +
747 747  === 3.4.1 Common Commands ===
748 748  
749 749  
... ... @@ -806,7 +806,6 @@
806 806  
807 807  **0x08 FF     **~/~/ Poll an uplink
808 808  
809 -
810 810  **Example**: 0x08FF, ask device to send an Uplink
811 811  
812 812  
... ... @@ -972,7 +972,7 @@
972 972  (((
973 973  
974 974  
975 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
959 +(% style="color:red" %)Note: ATDC setting must be more than 5min
976 976  )))
977 977  
978 978  
... ... @@ -1000,11 +1000,11 @@
1000 1000  [[image:image-20220524092754-5.png]]
1001 1001  
1002 1002  (((
1003 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
987 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1004 1004  )))
1005 1005  
1006 1006  (((
1007 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
991 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1008 1008  )))
1009 1009  
1010 1010  
... ... @@ -1049,11 +1049,11 @@
1049 1049  [[image:image-20220524093351-8.png]]
1050 1050  
1051 1051  
1052 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1036 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1053 1053  
1054 1054   Latching time. Unit: ms
1055 1055  
1056 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1040 +Device will upload a packet if downlink code executes successfully.
1057 1057  
1058 1058  
1059 1059  **Example payload:**
... ... @@ -1102,7 +1102,7 @@
1102 1102  [[image:image-20220524093724-9.png]]
1103 1103  )))
1104 1104  
1105 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1089 +Device will upload a packet if downlink code executes successfully.
1106 1106  
1107 1107  
1108 1108  
... ... @@ -1133,12 +1133,12 @@
1133 1133  
1134 1134  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1135 1135  
1136 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1120 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1137 1137  
1138 1138  
1139 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1123 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1140 1140  
1141 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1125 +Device will upload a packet if downlink code executes successfully.
1142 1142  
1143 1143  
1144 1144  **Example payload:**
... ... @@ -1161,6 +1161,7 @@
1161 1161  
1162 1162  
1163 1163  
1148 +
1164 1164  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1165 1165  
1166 1166  
... ... @@ -1233,121 +1233,11 @@
1233 1233  (((
1234 1234  range: aa bb cc:0 to 16777215,  (unit:second)
1235 1235  
1236 -
1237 -
1238 1238  
1239 1239  )))
1240 1240  
1241 -==== 3.4.2.20 Reset save DR DO state ====
1242 1242  
1243 1243  
1244 -* (% style="color:#037691" %)**AT Command:**
1245 -
1246 -**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1247 -
1248 -**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.
1249 -
1250 -
1251 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1252 -
1253 -**0x AD aa      **~/~/ same as AT+RODORET =aa
1254 -
1255 -(((
1256 -
1257 -
1258 -
1259 -
1260 -==== 3.4.2.21 Encrypted payload ====
1261 -
1262 -
1263 -* (% style="color:#037691" %)**AT Command:**
1264 -
1265 -**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1266 -
1267 -**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1268 -
1269 -
1270 -
1271 -
1272 -==== 3.4.2.22 Get sensor value ====
1273 -
1274 -
1275 -* (% style="color:#037691" %)**AT Command:**
1276 -
1277 -**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1278 -
1279 -**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1280 -
1281 -
1282 -
1283 -
1284 -==== 3.4.2.23 Resets the downlink packet count ====
1285 -
1286 -
1287 -* (% style="color:#037691" %)**AT Command:**
1288 -
1289 -**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)
1290 -
1291 -**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.
1292 -
1293 -
1294 -
1295 -
1296 -==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1297 -
1298 -
1299 -* (% style="color:#037691" %)**AT Command:**
1300 -
1301 - **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)
1302 -
1303 - **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.
1304 -
1305 -
1306 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1307 -
1308 -**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1309 -
1310 -
1311 -
1312 -
1313 -==== 3.4.2.25 Copy downlink to uplink ====
1314 -
1315 -
1316 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1317 -
1318 - **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.
1319 -
1320 -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.
1321 -
1322 -[[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"]]
1323 -
1324 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1325 -
1326 -[[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"]]
1327 -
1328 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1329 -
1330 -
1331 -
1332 -==== 3.4.2.26 Query version number and frequency band 、TDC ====
1333 -
1334 -
1335 -* (((
1336 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1337 -
1338 -**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1339 -
1340 -
1341 -)))
1342 -
1343 -**Example：**
1344 -
1345 -[[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"]]
1346 -
1347 -
1348 -
1349 -)))
1350 -
1351 1351  == 3.5 Integrate with Mydevice ==
1352 1352  
1353 1353  
... ... @@ -1446,10 +1446,10 @@
1446 1446  )))
1447 1447  
1448 1448  * (((
1449 -Connect sensor's output to DI1-
1324 +Connect sensor’s output to DI1-
1450 1450  )))
1451 1451  * (((
1452 -Connect sensor's VCC to DI1+.
1327 +Connect sensor’s VCC to DI1+.
1453 1453  )))
1454 1454  
1455 1455  (((
... ... @@ -1457,11 +1457,11 @@
1457 1457  )))
1458 1458  
1459 1459  (((
1460 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1335 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1461 1461  )))
1462 1462  
1463 1463  (((
1464 -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.
1339 +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.
1465 1465  )))
1466 1466  
1467 1467  (((
... ... @@ -1479,10 +1479,10 @@
1479 1479  )))
1480 1480  
1481 1481  * (((
1482 -Connect sensor's output to DI1+
1357 +Connect sensor’s output to DI1+
1483 1483  )))
1484 1484  * (((
1485 -Connect sensor's GND DI1-.
1360 +Connect sensor’s GND DI1-.
1486 1486  )))
1487 1487  
1488 1488  (((
... ... @@ -1512,10 +1512,10 @@
1512 1512  )))
1513 1513  
1514 1514  * (((
1515 -Connect sensor's output to DI1+ with a serial 50K resistor
1390 +Connect sensor’s output to DI1+ with a serial 50K resistor
1516 1516  )))
1517 1517  * (((
1518 -Connect sensor's GND DI1-.
1393 +Connect sensor’s GND DI1-.
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1582,7 +1582,6 @@
1582 1582  
1583 1583  [[image:image-20220524100215-9.png]]
1584 1584  
1585 -
1586 1586  [[image:image-20220524100215-10.png||height="382" width="723"]]
1587 1587  
1588 1588  
... ... @@ -1915,8 +1915,6 @@
1915 1915  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1916 1916  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.
1917 1917  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
1918 -
1919 -
1920 1920  )))
1921 1921  
1922 1922  (((
... ... @@ -1956,7 +1956,7 @@
1956 1956  
1957 1957  (((
1958 1958  (% 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]].
1959 -(% 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]].
1831 +(% 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/]].
1960 1960  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1961 1961  
1962 1962  
... ... @@ -2012,7 +2012,6 @@
2012 2012  (((
2013 2013  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2014 2014  
2015 -
2016 2016  
2017 2017  )))
2018 2018  )))
... ... @@ -2019,14 +2019,10 @@
2019 2019  
2020 2020  (((
2021 2021  (% 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.
2022 -
2023 -
2024 2024  )))
2025 2025  
2026 2026  (((
2027 2027  [[image:1653360231087-571.png||height="401" width="727"]]
2028 -
2029 -
2030 2030  )))
2031 2031  
2032 2032  (((
... ... @@ -2034,11 +2034,8 @@
2034 2034  )))
2035 2035  
2036 2036  
2037 -
2038 2038  (((
2039 2039  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2040 -
2041 -
2042 2042  )))
2043 2043  
2044 2044  (((
... ... @@ -2093,18 +2093,8 @@
2093 2093  After restart, the status before power failure will be read from flash.
2094 2094  
2095 2095  
2096 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2097 2097  
2098 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2099 -
2100 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2101 -
2102 -
2103 -
2104 -
2105 2105  = 6. Trouble Shooting =
2106 -
2107 -
2108 2108  )))
2109 2109  
2110 2110  (((
... ... @@ -2165,6 +2165,7 @@
2165 2165  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2166 2166  
2167 2167  
2022 +
2168 2168  = 8. Packing Info =
2169 2169  
2170 2170  
... ... @@ -2183,6 +2183,7 @@
2183 2183  * Weight / pcs : 170g
2184 2184  
2185 2185  
2041 +
2186 2186  = 9. Support =
2187 2187  
2188 2188  
... ... @@ -2194,6 +2194,7 @@
2194 2194  
2195 2195  
2196 2196  
2053 +
2197 2197  
2198 2198  )))
2199 2199  
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2203 2203  * 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]]
2204 2204  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2205 2205  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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