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 < 97.2 >
edited by Xiaoling
on 2022/09/12 09:21
>
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
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -57,7 +57,7 @@
57 57  (((
58 58  
59 59  
60 -**Hardware System:**
61 +(% 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:**
86 +(% 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:**
111 +(% style="color:#037691" %)**LoRa Spec:**
111 111  )))
112 112  
113 113  * (((
... ... @@ -184,6 +184,8 @@
184 184  * Counting
185 185  
186 186  
188 +
189 +
187 187  == 1.4  Applications ==
188 188  
189 189  
... ... @@ -195,6 +195,8 @@
195 195  * Smart Factory
196 196  
197 197  
201 +
202 +
198 198  == 1.5 Hardware Variants ==
199 199  
200 200  
... ... @@ -209,6 +209,9 @@
209 209  * 1 x Counting Port
210 210  )))
211 211  
217 +
218 +
219 +
212 212  = 2. Power ON Device =
213 213  
214 214  
... ... @@ -216,6 +216,8 @@
216 216  
217 217  (((
218 218  PWR will on when device is properly powered.
227 +
228 +
219 219  )))
220 220  
221 221  [[image:1653297104069-180.png]]
... ... @@ -224,6 +224,7 @@
224 224  
225 225  = 3. Operation Mode =
226 226  
237 +
227 227  == 3.1 How it works? ==
228 228  
229 229  
... ... @@ -300,6 +300,8 @@
300 300  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
301 301  
302 302  
314 +
315 +
303 303  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
304 304  
305 305  
... ... @@ -319,8 +319,10 @@
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
323 323  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
324 324  For example if payload is: [[image:image-20220523175847-2.png]]
325 325  
326 326  
... ... @@ -339,6 +339,8 @@
339 339  * [1] RO1 relay channel is close and the RO1 LED is ON.
340 340  * [0] RO2 relay channel is open and RO2 LED is OFF;
341 341  
357 +
358 +
342 342  **LT22222-L:**
343 343  
344 344  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -355,6 +355,9 @@
355 355  ** DO1 LED is off in both case
356 356  
357 357  
375 +
376 +
377 +
358 358  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
359 359  
360 360  
... ... @@ -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.
401 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
382 382  )))
383 383  
384 384  (((
... ... @@ -400,6 +400,8 @@
400 400  
401 401  
402 402  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
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.
466 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
445 445  )))
446 446  
447 447  
... ... @@ -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.
510 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
489 489  )))
490 490  
491 491  (((
... ... @@ -546,7 +546,7 @@
546 546  )))
547 547  
548 548  (((
549 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
571 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
550 550  )))
551 551  
552 552  (((
... ... @@ -580,11 +580,16 @@
580 580  * **AT+MOD=1 ** **~-~->**  The normal working mode
581 581  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
582 582  
605 +
606 +
583 583  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
584 584  
585 585  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
586 586  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.**
587 587  
612 +
613 +
614 +
588 588  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
589 589  
590 590  
... ... @@ -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  
622 +
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  
635 +
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  
654 +
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**
... ... @@ -665,11 +665,14 @@
665 665  
666 666  * Each bits shows if the corresponding trigger has been configured.
667 667  
698 +
699 +
668 668  **Example:**
669 669  
670 670  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
671 671  
672 672  
705 +
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]]
... ... @@ -676,11 +676,14 @@
676 676  
677 677  * Each bits shows which status has been trigger on this uplink.
678 678  
712 +
713 +
679 679  **Example:**
680 680  
681 681  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
682 682  
683 683  
719 +
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]]
... ... @@ -687,6 +687,8 @@
687 687  
688 688  * Each bits shows which status has been trigger on this uplink.
689 689  
726 +
727 +
690 690  **Example:**
691 691  
692 692  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -694,6 +694,7 @@
694 694  00000101: Means both DI1 and DI2 trigger are enabled.
695 695  
696 696  
735 +
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:
... ... @@ -704,6 +704,7 @@
704 704  
705 705  
706 706  
746 +
707 707  === 3.3.7 Payload Decoder ===
708 708  
709 709  (((
... ... @@ -727,6 +727,9 @@
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  
770 +
771 +
772 +
730 730  === 3.4.1 Common Commands ===
731 731  
732 732  
... ... @@ -789,6 +789,7 @@
789 789  
790 790  **0x08 FF     **~/~/ Poll an uplink
791 791  
835 +
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 794  
... ... @@ -876,6 +876,8 @@
876 876  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
877 877  
878 878  
923 +
924 +
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
1003 +(% 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.
1031 +(% 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.
1035 +(% 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.
1084 +(% 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.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1089 1089  
1090 1090  
1091 1091  
... ... @@ -1121,7 +1121,7 @@
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.
1169 +(% 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  
1264 +
1265 +
1221 1221  
1222 1222  )))
1223 1223  
1224 1224  ==== 3.4.2.20 Reset save DR DO state ====
1225 1225  
1271 +
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  
1286 +
1287 +
1240 1240  ==== 3.4.2.21 Encrypted payload ====
1241 1241  
1290 +
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  
1298 +
1299 +
1249 1249  ==== 3.4.2.22 Get sensor value ====
1250 1250  
1302 +
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  
1310 +
1311 +
1258 1258  ==== 3.4.2.23 Resets the downlink packet count ====
1259 1259  
1314 +
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  
1322 +
1323 +
1267 1267  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1268 1268  
1326 +
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  
1338 +
1339 +
1340 +
1280 1280  ==== 3.4.2.25 Copy downlink to uplink ====
1281 1281  
1343 +
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.
... ... @@ -1297,11 +1297,16 @@
1297 1297  
1298 1298  ==== 3.4.2.26 Query version number and frequency band 、TDC ====
1299 1299  
1362 +
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.
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 +
1302 1302  )))
1303 1303  
1304 -Example：
1371 +**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-
1477 +Connect sensor's output to DI1-
1411 1411  )))
1412 1412  * (((
1413 -Connect sensor’s VCC to DI1+.
1480 +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.**
1488 +[[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.
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.
1426 1426  )))
1427 1427  
1428 1428  (((
... ... @@ -1440,10 +1440,10 @@
1440 1440  )))
1441 1441  
1442 1442  * (((
1443 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1444 1444  )))
1445 1445  * (((
1446 -Connect sensor’s GND DI1-.
1513 +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
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1477 1477  )))
1478 1478  * (((
1479 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1480 1480  )))
1481 1481  
1482 1482  (((
... ... @@ -1543,6 +1543,7 @@
1543 1543  
1544 1544  [[image:image-20220524100215-9.png]]
1545 1545  
1613 +
1546 1546  [[image:image-20220524100215-10.png||height="382" width="723"]]
1547 1547  
1548 1548  
... ... @@ -1916,7 +1916,7 @@
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/]].
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]].
1920 1920  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1921 1921  
1922 1922  
... ... @@ -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  
2043 +
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.
2050 +
2051 +
1981 1981  )))
1982 1982  
1983 1983  (((
1984 1984  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1985 1985  )))
1986 1986  
1987 1987  (((
... ... @@ -1989,8 +1989,11 @@
1989 1989  )))
1990 1990  
1991 1991  
2065 +
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:
2068 +
2069 +
1994 1994  )))
1995 1995  
1996 1996  (((
... ... @@ -2047,6 +2047,8 @@
2047 2047  
2048 2048  
2049 2049  = 6. Trouble Shooting =
2126 +
2127 +
2050 2050  )))
2051 2051  
2052 2052  (((
... ... @@ -2106,6 +2106,9 @@
2106 2106  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2107 2107  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2108 2108  
2187 +
2188 +
2189 +
2109 2109  = 8. Packing Info =
2110 2110  
2111 2111  
... ... @@ -2123,6 +2123,9 @@
2123 2123  * Package Size / pcs : 14.5 x 8 x 5 cm
2124 2124  * Weight / pcs : 170g
2125 2125  
2207 +
2208 +
2209 +
2126 2126  = 9. Support =
2127 2127  
2128 2128  

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