<
From version < 97.1 >
edited by Bei Jinggeng
on 2022/09/09 09:14
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  * (((
... ... @@ -183,6 +183,9 @@
183 183  * Firmware upgradable via program port
184 184  * Counting
185 185  
187 +
188 +
189 +
186 186  == 1.4  Applications ==
187 187  
188 188  
... ... @@ -193,6 +193,9 @@
193 193  * Smart Cities
194 194  * Smart Factory
195 195  
200 +
201 +
202 +
196 196  == 1.5 Hardware Variants ==
197 197  
198 198  
... ... @@ -207,6 +207,9 @@
207 207  * 1 x Counting Port
208 208  )))
209 209  
217 +
218 +
219 +
210 210  = 2. Power ON Device =
211 211  
212 212  
... ... @@ -214,6 +214,8 @@
214 214  
215 215  (((
216 216  PWR will on when device is properly powered.
227 +
228 +
217 217  )))
218 218  
219 219  [[image:1653297104069-180.png]]
... ... @@ -222,6 +222,7 @@
222 222  
223 223  = 3. Operation Mode =
224 224  
237 +
225 225  == 3.1 How it works? ==
226 226  
227 227  
... ... @@ -297,6 +297,9 @@
297 297  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
298 298  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
299 299  
313 +
314 +
315 +
300 300  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
301 301  
302 302  
... ... @@ -316,8 +316,10 @@
316 316  * DI is for digital input. DIx=1: high or float, DIx=0: low.
317 317  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
318 318  
319 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
320 320  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
321 321  For example if payload is: [[image:image-20220523175847-2.png]]
322 322  
323 323  
... ... @@ -336,6 +336,8 @@
336 336  * [1] RO1 relay channel is close and the RO1 LED is ON.
337 337  * [0] RO2 relay channel is open and RO2 LED is OFF;
338 338  
357 +
358 +
339 339  **LT22222-L:**
340 340  
341 341  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -351,6 +351,10 @@
351 351  ** DO1 is high in case there is load between DO1 and V+.
352 352  ** DO1 LED is off in both case
353 353  
374 +
375 +
376 +
377 +
354 354  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
355 355  
356 356  
... ... @@ -374,7 +374,7 @@
374 374  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
375 375  
376 376  (((
377 -(% 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.**
378 378  )))
379 379  
380 380  (((
... ... @@ -396,6 +396,8 @@
396 396  
397 397  
398 398  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
399 399  )))
400 400  
401 401  (((
... ... @@ -437,7 +437,7 @@
437 437  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
438 438  
439 439  (((
440 -(% 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.**
441 441  )))
442 442  
443 443  
... ... @@ -481,7 +481,7 @@
481 481  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
482 482  
483 483  (((
484 -(% 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.**
485 485  )))
486 486  
487 487  (((
... ... @@ -542,7 +542,7 @@
542 542  )))
543 543  
544 544  (((
545 -(% 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.**
546 546  )))
547 547  
548 548  (((
... ... @@ -576,11 +576,16 @@
576 576  * **AT+MOD=1 ** **~-~->**  The normal working mode
577 577  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
578 578  
605 +
606 +
579 579  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
580 580  
581 581  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
582 582  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.**
583 583  
612 +
613 +
614 +
584 584  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
585 585  
586 586  
... ... @@ -588,6 +588,7 @@
588 588  
589 589  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
590 590  
622 +
591 591  **Example:**
592 592  
593 593  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)
... ... @@ -600,6 +600,7 @@
600 600  
601 601  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
602 602  
635 +
603 603  **Example:**
604 604  
605 605  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -618,6 +618,7 @@
618 618  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
619 619  
620 620  
654 +
621 621  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
622 622  
623 623  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -661,11 +661,14 @@
661 661  
662 662  * Each bits shows if the corresponding trigger has been configured.
663 663  
698 +
699 +
664 664  **Example:**
665 665  
666 666  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
667 667  
668 668  
705 +
669 669  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
670 670  
671 671  [[image:image-20220524090249-3.png]]
... ... @@ -672,11 +672,14 @@
672 672  
673 673  * Each bits shows which status has been trigger on this uplink.
674 674  
712 +
713 +
675 675  **Example:**
676 676  
677 677  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
678 678  
679 679  
719 +
680 680  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
681 681  
682 682  [[image:image-20220524090456-4.png]]
... ... @@ -683,6 +683,8 @@
683 683  
684 684  * Each bits shows which status has been trigger on this uplink.
685 685  
726 +
727 +
686 686  **Example:**
687 687  
688 688  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -690,6 +690,7 @@
690 690  00000101: Means both DI1 and DI2 trigger are enabled.
691 691  
692 692  
735 +
693 693  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
694 694  
695 695  Downlink command to poll MOD6 status:
... ... @@ -700,6 +700,7 @@
700 700  
701 701  
702 702  
746 +
703 703  === 3.3.7 Payload Decoder ===
704 704  
705 705  (((
... ... @@ -723,6 +723,9 @@
723 723  
724 724  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
725 725  
770 +
771 +
772 +
726 726  === 3.4.1 Common Commands ===
727 727  
728 728  
... ... @@ -785,6 +785,7 @@
785 785  
786 786  **0x08 FF     **~/~/ Poll an uplink
787 787  
835 +
788 788  **Example**: 0x08FF, ask device to send an Uplink
789 789  
790 790  
... ... @@ -871,6 +871,9 @@
871 871  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
872 872  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
873 873  
922 +
923 +
924 +
874 874  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
875 875  
876 876  
... ... @@ -949,7 +949,7 @@
949 949  (((
950 950  
951 951  
952 -(% style="color:red" %)Note: ATDC setting must be more than 5min
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
953 953  )))
954 954  
955 955  
... ... @@ -977,11 +977,11 @@
977 977  [[image:image-20220524092754-5.png]]
978 978  
979 979  (((
980 -(% 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.**
981 981  )))
982 982  
983 983  (((
984 -(% 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.**
985 985  )))
986 986  
987 987  
... ... @@ -1030,7 +1030,7 @@
1030 1030  
1031 1031   Latching time. Unit: ms
1032 1032  
1033 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1034 1034  
1035 1035  
1036 1036  **Example payload:**
... ... @@ -1079,7 +1079,7 @@
1079 1079  [[image:image-20220524093724-9.png]]
1080 1080  )))
1081 1081  
1082 -(% 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.**
1083 1083  
1084 1084  
1085 1085  
... ... @@ -1115,7 +1115,7 @@
1115 1115  
1116 1116  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1117 1117  
1118 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1119 1119  
1120 1120  
1121 1121  **Example payload:**
... ... @@ -1210,6 +1210,8 @@
1210 1210  (((
1211 1211  range: aa bb cc:0 to 16777215,  (unit:second)
1212 1212  
1264 +
1265 +
1213 1213  
1214 1214  )))
1215 1215  
... ... @@ -1230,6 +1230,8 @@
1230 1230  (((
1231 1231  
1232 1232  
1286 +
1287 +
1233 1233  ==== 3.4.2.21 Encrypted payload ====
1234 1234  
1235 1235  
... ... @@ -1240,6 +1240,8 @@
1240 1240  **AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1241 1241  
1242 1242  
1298 +
1299 +
1243 1243  ==== 3.4.2.22 Get sensor value ====
1244 1244  
1245 1245  
... ... @@ -1250,6 +1250,8 @@
1250 1250  **AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1251 1251  
1252 1252  
1310 +
1311 +
1253 1253  ==== 3.4.2.23 Resets the downlink packet count ====
1254 1254  
1255 1255  
... ... @@ -1260,6 +1260,8 @@
1260 1260  **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.
1261 1261  
1262 1262  
1322 +
1323 +
1263 1263  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1264 1264  
1265 1265  
... ... @@ -1275,6 +1275,8 @@
1275 1275  **0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1276 1276  
1277 1277  
1339 +
1340 +
1278 1278  ==== 3.4.2.25 Copy downlink to uplink ====
1279 1279  
1280 1280  
... ... @@ -1301,9 +1301,11 @@
1301 1301  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1302 1302  
1303 1303  **26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 +
1368 +
1304 1304  )))
1305 1305  
1306 -Example:
1371 +**Example:**
1307 1307  
1308 1308  [[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"]]
1309 1309  
... ... @@ -1409,10 +1409,10 @@
1409 1409  )))
1410 1410  
1411 1411  * (((
1412 -Connect sensors output to DI1-
1477 +Connect sensor's output to DI1-
1413 1413  )))
1414 1414  * (((
1415 -Connect sensors VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1416 1416  )))
1417 1417  
1418 1418  (((
... ... @@ -1420,11 +1420,11 @@
1420 1420  )))
1421 1421  
1422 1422  (((
1423 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1424 1424  )))
1425 1425  
1426 1426  (((
1427 -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.
1428 1428  )))
1429 1429  
1430 1430  (((
... ... @@ -1442,10 +1442,10 @@
1442 1442  )))
1443 1443  
1444 1444  * (((
1445 -Connect sensors output to DI1+
1510 +Connect sensor's output to DI1+
1446 1446  )))
1447 1447  * (((
1448 -Connect sensors GND DI1-.
1513 +Connect sensor's GND DI1-.
1449 1449  )))
1450 1450  
1451 1451  (((
... ... @@ -1475,10 +1475,10 @@
1475 1475  )))
1476 1476  
1477 1477  * (((
1478 -Connect sensors output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1479 1479  )))
1480 1480  * (((
1481 -Connect sensors GND DI1-.
1546 +Connect sensor's GND DI1-.
1482 1482  )))
1483 1483  
1484 1484  (((
... ... @@ -1545,6 +1545,7 @@
1545 1545  
1546 1546  [[image:image-20220524100215-9.png]]
1547 1547  
1613 +
1548 1548  [[image:image-20220524100215-10.png||height="382" width="723"]]
1549 1549  
1550 1550  
... ... @@ -1974,6 +1974,7 @@
1974 1974  (((
1975 1975  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1976 1976  
2043 +
1977 1977  
1978 1978  )))
1979 1979  )))
... ... @@ -1980,10 +1980,14 @@
1980 1980  
1981 1981  (((
1982 1982  (% 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 +
1983 1983  )))
1984 1984  
1985 1985  (((
1986 1986  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1987 1987  )))
1988 1988  
1989 1989  (((
... ... @@ -1991,8 +1991,11 @@
1991 1991  )))
1992 1992  
1993 1993  
2065 +
1994 1994  (((
1995 1995  (% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2068 +
2069 +
1996 1996  )))
1997 1997  
1998 1998  (((
... ... @@ -2049,6 +2049,8 @@
2049 2049  
2050 2050  
2051 2051  = 6. Trouble Shooting =
2126 +
2127 +
2052 2052  )))
2053 2053  
2054 2054  (((
... ... @@ -2108,6 +2108,9 @@
2108 2108  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2109 2109  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2110 2110  
2187 +
2188 +
2189 +
2111 2111  = 8. Packing Info =
2112 2112  
2113 2113  
... ... @@ -2125,6 +2125,9 @@
2125 2125  * Package Size / pcs : 14.5 x 8 x 5 cm
2126 2126  * Weight / pcs : 170g
2127 2127  
2207 +
2208 +
2209 +
2128 2128  = 9. Support =
2129 2129  
2130 2130  
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