Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 104.2 >
edited by Xiaoling
on 2022/11/12 17:51
To version < 118.13 >
edited by Xiaoling
on 2023/05/17 11:39
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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  (((
... ... @@ -27,7 +27,7 @@
27 27  )))
28 28  
29 29  (((
30 -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.
29 +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, building automation, and so on.
31 31  )))
32 32  
33 33  (((
... ... @@ -54,7 +54,6 @@
54 54  
55 55  )))
56 56  
57 -
58 58  == 1.2  Specifications ==
59 59  
60 60  (((
... ... @@ -64,7 +64,7 @@
64 64  )))
65 65  
66 66  * (((
67 -STM32L072CZT6 MCU
65 +STM32L072xxxx MCU
68 68  )))
69 69  * (((
70 70  SX1276/78 Wireless Chip 
... ... @@ -171,7 +171,6 @@
171 171  Packet engine up to 256 bytes with CRC.
172 172  
173 173  
174 -
175 175  
176 176  )))
177 177  
... ... @@ -179,11 +179,17 @@
179 179  
180 180  
181 181  * LoRaWAN Class A & Class C protocol
179 +
182 182  * Optional Customized LoRa Protocol
181 +
183 183  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
184 184  * AT Commands to change parameters
185 +
185 185  * Remote configure parameters via LoRa Downlink
187 +
186 186  * Firmware upgradable via program port
189 +
187 187  * Counting
188 188  
189 189  
... ... @@ -192,10 +192,15 @@
192 192  
193 193  
194 194  * Smart Buildings & Home Automation
198 +
195 195  * Logistics and Supply Chain Management
200 +
196 196  * Smart Metering
202 +
197 197  * Smart Agriculture
204 +
198 198  * Smart Cities
206 +
199 199  * Smart Factory
200 200  
201 201  
... ... @@ -203,9 +203,12 @@
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
206 -(% border="1" style="background-color:#f7faff; width:500px" %)
207 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
208 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
214 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 +|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
216 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 +(% style="text-align:center" %)
218 +[[image:image-20230424115112-1.png||height="106" width="58"]]
219 +)))|(% style="width:334px" %)(((
209 209  * 2 x Digital Input (Bi-direction)
210 210  * 2 x Digital Output
211 211  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -232,10 +232,8 @@
232 232  [[image:1653297104069-180.png]]
233 233  
234 234  
235 -
236 236  = 3. Operation Mode =
237 237  
238 -
239 239  == 3.1 How it works? ==
240 240  
241 241  
... ... @@ -248,7 +248,6 @@
248 248  )))
249 249  
250 250  
251 -
252 252  == 3.2 Example to join LoRaWAN network ==
253 253  
254 254  
... ... @@ -275,7 +275,7 @@
275 275  Each LT is shipped with a sticker with the default device EUI as below:
276 276  )))
277 277  
278 -[[image:1653297924498-393.png]]
286 +[[image:image-20230425173427-2.png||height="246" width="530"]]
279 279  
280 280  
281 281  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -300,7 +300,6 @@
300 300  [[image:1653298044601-602.png||height="405" width="709"]]
301 301  
302 302  
303 -
304 304  == 3.3 Uplink Payload ==
305 305  
306 306  
... ... @@ -319,18 +319,37 @@
319 319  
320 320  
321 321  (((
322 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
329 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
330 +
331 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
332 +|**Size(bytes)(% style="display:none" %) (%%)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
333 +|Value|(((
334 +AVI1
335 +voltage
336 +)))|(((
337 +AVI2
338 +voltage
339 +)))|(((
340 +ACI1
341 +Current
342 +)))|(((
343 +ACI2
344 +Current
345 +)))|DIDORO*|(((
346 +Reserve
347 +)))|MOD
323 323  )))
324 324  
325 -[[image:image-20220523174024-3.png]]
326 -
327 327  (((
328 328  
329 329  
330 330  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
354 +
355 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
356 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
357 +|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
331 331  )))
332 332  
333 -[[image:image-20220523174254-4.png]]
334 334  
335 335  * RO is for relay. ROx=1 : close，ROx=0 always open.
336 336  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -382,18 +382,28 @@
382 382  
383 383  (((
384 384  Total : 11 bytes payload
385 -)))
386 386  
387 -[[image:image-20220523180452-3.png]]
412 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
413 +|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
414 +|Value|COUNT1|COUNT2 |DIDORO*|(((
415 +Reserve
388 388  
417 +
418 +)))|MOD
419 +)))
389 389  
390 390  (((
422 +
423 +
391 391  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
392 -)))
393 393  
394 -[[image:image-20220523180506-4.png]]
426 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
427 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
428 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
395 395  
396 -* RO is for relay. ROx=1 : close，ROx=0 always open.
430 +RO is for relay. ROx=1 : close，ROx=0 always open.
431 +)))
432 +
397 397  * FIRST: Indicate this is the first packet after join network.
398 398  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
399 399  
... ... @@ -446,21 +446,29 @@
446 446  )))
447 447  
448 448  
449 -
450 450  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
451 451  
452 452  
453 453  **LT22222-L**: This mode the DI1 is used as a counting pin.
454 454  
455 -[[image:image-20220523181246-5.png]]
490 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
491 +|**Size(bytes)**|**4**|**2**|**2**|**1**|**1**|**1**
492 +|Value|COUNT1|(((
493 +ACI1 Current
494 +)))|(((
495 +ACI2 Current
496 +)))|DIDORO*|Reserve|MOD
456 456  
457 457  (((
458 458  
459 459  
460 460  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
502 +
503 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
504 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
505 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
461 461  )))
462 462  
463 -[[image:image-20220523181301-6.png]]
464 464  
465 465  * RO is for relay. ROx=1 : close，ROx=0 always open.
466 466  * FIRST: Indicate this is the first packet after join network.
... ... @@ -493,7 +493,6 @@
493 493  )))
494 494  
495 495  
496 -
497 497  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
498 498  
499 499  
... ... @@ -503,16 +503,25 @@
503 503  
504 504  (((
505 505  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.
506 -)))
507 507  
508 -[[image:image-20220523181903-8.png]]
550 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
551 +|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
552 +|Value|COUNT1|AVI1 Counting|DIDORO*|(((
553 +Reserve
509 509  
555 +
556 +)))|MOD
557 +)))
510 510  
559 +
511 511  (((
512 512  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
562 +
563 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
564 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
565 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
513 513  )))
514 514  
515 -[[image:image-20220523181727-7.png]]
516 516  
517 517  * RO is for relay. ROx=1 : close，ROx=0 always open.
518 518  * FIRST: Indicate this is the first packet after join network.
... ... @@ -562,18 +562,34 @@
562 562  )))
563 563  
564 564  
565 -
566 566  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
567 567  
568 568  
569 569  **LT22222-L**: This mode the DI1 is used as a counting pin.
570 570  
571 -[[image:image-20220523182334-9.png]]
622 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
623 +|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
624 +|Value|(((
625 +AVI1
626 +voltage
627 +)))|(((
628 +AVI2
629 +voltage
630 +)))|(((
631 +ACI1
632 +Current
633 +)))|COUNT1|DIDORO*|(((
634 +Reserve
635 +)))|MOD
572 572  
573 573  (((
574 574  
575 575  
576 576  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
641 +
642 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
643 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
644 +|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
577 577  )))
578 578  
579 579  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -610,7 +610,6 @@
610 610  )))
611 611  
612 612  
613 -
614 614  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
615 615  
616 616  
... ... @@ -665,7 +665,6 @@
665 665  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
666 666  
667 667  
668 -
669 669  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
670 670  
671 671  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -700,12 +700,52 @@
700 700  
701 701  MOD6 Payload : total 11 bytes payload
702 702  
703 -[[image:image-20220524085923-1.png]]
769 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
770 +|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
771 +|Value|(((
772 +TRI_A
773 +FLAG
774 +)))|(((
775 +TRI_A
776 +Status
777 +)))|(((
778 +TRI_DI
779 +FLAG+STA
780 +)))|Reserve|Enable/Disable MOD6|(((
781 +MOD
782 +(6)
783 +)))
704 704  
705 705  
706 706  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
707 707  
708 -[[image:image-20220524090106-2.png]]
788 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
789 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
790 +|(((
791 +AV1_
792 +LOW
793 +)))|(((
794 +AV1_
795 +HIGH
796 +)))|(((
797 +AV2_
798 +LOW
799 +)))|(((
800 +AV2_
801 +HIGH
802 +)))|(((
803 +AC1_
804 +LOW
805 +)))|(((
806 +AC1_
807 +HIGH
808 +)))|(((
809 +AC2_
810 +LOW
811 +)))|(((
812 +AC2_
813 +HIGH
814 +)))
709 709  
710 710  * Each bits shows if the corresponding trigger has been configured.
711 711  
... ... @@ -714,10 +714,35 @@
714 714  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
715 715  
716 716  
717 -
718 718  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
719 719  
720 -[[image:image-20220524090249-3.png]]
825 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
826 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
827 +|(((
828 +AV1_
829 +LOW
830 +)))|(((
831 +AV1_
832 +HIGH
833 +)))|(((
834 +AV2_
835 +LOW
836 +)))|(((
837 +AV2_
838 +HIGH
839 +)))|(((
840 +AC1_
841 +LOW
842 +)))|(((
843 +AC1_
844 +HIGH
845 +)))|(((
846 +AC2_
847 +LOW
848 +)))|(((
849 +AC2_
850 +HIGH
851 +)))
721 721  
722 722  * Each bits shows which status has been trigger on this uplink.
723 723  
... ... @@ -726,10 +726,11 @@
726 726  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
727 727  
728 728  
729 -
730 730  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
731 731  
732 -[[image:image-20220524090456-4.png]]
862 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
863 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
864 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
733 733  
734 734  * Each bits shows which status has been trigger on this uplink.
735 735  
... ... @@ -740,7 +740,6 @@
740 740  00000101: Means both DI1 and DI2 trigger are enabled.
741 741  
742 742  
743 -
744 744  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
745 745  
746 746  Downlink command to poll MOD6 status:
... ... @@ -750,7 +750,6 @@
750 750  When device got this command, it will send the MOD6 payload.
751 751  
752 752  
753 -
754 754  === 3.3.7 Payload Decoder ===
755 755  
756 756  (((
... ... @@ -760,7 +760,6 @@
760 760  )))
761 761  
762 762  
763 -
764 764  == 3.4 ​Configure LT via AT or Downlink ==
765 765  
766 766  
... ... @@ -788,10 +788,8 @@
788 788  )))
789 789  
790 790  
791 -
792 792  === 3.4.2 Sensor related commands ===
793 793  
794 -
795 795  ==== 3.4.2.1 Set Transmit Interval ====
796 796  
797 797  
... ... @@ -867,7 +867,6 @@
867 867  
868 868  
869 869  
870 -
871 871  ==== 3.4.2.5 Poll trigger settings ====
872 872  
873 873  
... ... @@ -950,7 +950,7 @@
950 950  
951 951  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
952 952  
953 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
1079 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
954 954  
955 955  
956 956  
... ... @@ -1025,9 +1025,14 @@
1025 1025  
1026 1026  (((
1027 1027  01: Low,  00: High ,  11: No action
1154 +
1155 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1156 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1157 +|02  01  00  11|Low|High|No Action
1158 +|02  00  11  01|High|No Action|Low
1159 +|02  11  01  00|No Action|Low|High
1028 1028  )))
1029 1029  
1030 -[[image:image-20220524092754-5.png]]
1031 1031  
1032 1032  (((
1033 1033  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1065,17 +1065,29 @@
1065 1065  
1066 1066  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1067 1067  
1068 -[[image:image-20220524093238-6.png]]
1199 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1200 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1201 +|0x01|DO1 set to low
1202 +|0x00|DO1 set to high
1203 +|0x11|DO1 NO Action
1069 1069  
1070 1070  
1071 1071  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1072 1072  
1073 -[[image:image-20220524093328-7.png]]
1208 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1209 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1210 +|0x01|DO2 set to low
1211 +|0x00|DO2 set to high
1212 +|0x11|DO2 NO Action
1074 1074  
1075 1075  
1076 1076  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1077 1077  
1078 -[[image:image-20220524093351-8.png]]
1217 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1218 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1219 +|0x01|DO3 set to low
1220 +|0x00|DO3 set to high
1221 +|0x11|DO3 NO Action
1079 1079  
1080 1080  
1081 1081  (% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
... ... @@ -1082,6 +1082,14 @@
1082 1082  
1083 1083   Latching time. Unit: ms
1084 1084  
1228 +
1229 +(% style="color:red" %)**Note: **
1230 +
1231 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1232 +
1233 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1234 +
1235 +
1085 1085  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1086 1086  
1087 1087  
... ... @@ -1105,7 +1105,7 @@
1105 1105  
1106 1106  
1107 1107  
1108 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1259 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1109 1109  
1110 1110  
1111 1111  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1124,10 +1124,21 @@
1124 1124  
1125 1125  (((
1126 1126  01: Close ,  00: Open , 11: No action
1278 +
1279 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1280 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1281 +|03  00  11|Open|No Action
1282 +|03  01  11|Close|No Action
1283 +|03  11  00|No Action|Open
1284 +|03  11  01|No Action|Close
1285 +|03  00  00|Open|Open
1286 +|03  01  01|Close|Close
1287 +|03  01  00|Close|Open
1288 +|03  00  01|Open|Close
1127 1127  )))
1128 1128  
1129 1129  (((
1130 -[[image:image-20220524093724-9.png]]
1292 +
1131 1131  )))
1132 1132  
1133 1133  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1134,7 +1134,6 @@
1134 1134  
1135 1135  
1136 1136  
1137 -
1138 1138  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1139 1139  
1140 1140  
... ... @@ -1166,12 +1166,20 @@
1166 1166  
1167 1167  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1168 1168  
1330 +
1331 +(% style="color:red" %)**Note:**
1332 +
1333 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1334 +
1335 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1336 +
1337 +
1169 1169  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1170 1170  
1171 1171  
1172 1172  **Example payload:**
1173 1173  
1174 -**~1. 05 01 11 07 D**
1343 +**~1. 05 01 11 07 D0**
1175 1175  
1176 1176  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1177 1177  
... ... @@ -1257,14 +1257,14 @@
1257 1257  
1258 1258  
1259 1259  
1260 -==== 3.4.2.20 Reset save DR DO state ====
1429 +==== 3.4.2.20 Reset save RO DO state ====
1261 1261  
1262 1262  
1263 1263  * (% style="color:#037691" %)**AT Command:**
1264 1264  
1265 -(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1434 +(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1266 1266  
1267 -(% style="color:blue" %)**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.
1436 +(% style="color:blue" %)**AT+RODORESET=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.
1268 1268  
1269 1269  
1270 1270  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
... ... @@ -1306,7 +1306,6 @@
1306 1306  
1307 1307  
1308 1308  
1309 -
1310 1310  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1311 1311  
1312 1312  
... ... @@ -1323,7 +1323,6 @@
1323 1323  
1324 1324  
1325 1325  
1326 -
1327 1327  ==== 3.4.2.25 Copy downlink to uplink ====
1328 1328  
1329 1329  
... ... @@ -1362,7 +1362,6 @@
1362 1362  [[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"]]
1363 1363  
1364 1364  
1365 -
1366 1366  == 3.5 Integrate with Mydevice ==
1367 1367  
1368 1368  
... ... @@ -1412,10 +1412,8 @@
1412 1412  [[image:image-20220524094909-5.png||height="341" width="734"]]
1413 1413  
1414 1414  
1415 -
1416 1416  == 3.6 Interface Detail ==
1417 1417  
1418 -
1419 1419  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1420 1420  
1421 1421  
... ... @@ -1424,7 +1424,6 @@
1424 1424  [[image:1653356991268-289.png]]
1425 1425  
1426 1426  
1427 -
1428 1428  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1429 1429  
1430 1430  
... ... @@ -1481,8 +1481,6 @@
1481 1481  
1482 1482  (((
1483 1483  
1484 -
1485 -
1486 1486  )))
1487 1487  
1488 1488  (((
... ... @@ -1514,8 +1514,6 @@
1514 1514  
1515 1515  (((
1516 1516  
1517 -
1518 -
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1546,16 +1546,16 @@
1546 1546  )))
1547 1547  
1548 1548  
1549 -
1550 1550  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1551 1551  
1552 1552  
1553 -NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1711 +(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1554 1554  
1713 +(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1714 +
1555 1555  [[image:1653357531600-905.png]]
1556 1556  
1557 1557  
1558 -
1559 1559  === 3.6.4 Analog Input Interface ===
1560 1560  
1561 1561  
... ... @@ -1573,9 +1573,9 @@
1573 1573  
1574 1574  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1575 1575  
1576 -**Red:  12~~24v**
1735 +(% style="color:red" %)**Red:  12~~24v**
1577 1577  
1578 -**Yellow:  4~~20mA**
1737 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1579 1579  
1580 1580  **Black:  GND**
1581 1581  
... ... @@ -1587,12 +1587,13 @@
1587 1587  [[image:1653357648330-671.png||height="155" width="733"]]
1588 1588  
1589 1589  
1590 -
1591 1591  === 3.6.5 Relay Output ===
1592 1592  
1593 1593  
1594 1594  (((
1595 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1753 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1754 +
1755 +**Note**: RO pins go to Open(NO) when device is power off.
1596 1596  )))
1597 1597  
1598 1598  [[image:image-20220524100215-9.png]]
... ... @@ -1601,17 +1601,49 @@
1601 1601  [[image:image-20220524100215-10.png||height="382" width="723"]]
1602 1602  
1603 1603  
1604 -
1605 1605  == 3.7 LEDs Indicators ==
1606 1606  
1607 1607  
1608 -[[image:image-20220524100748-11.png]]
1767 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1768 +|(% style="background-color:#d9e2f3; color:#0070c0;width:30px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0;width:490px" %)**Feature**
1769 +|**PWR**|Always on if there is power
1770 +|**SYS**|(((
1771 +After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1772 +)))
1773 +|**TX**|(((
1774 +(((
1775 +Device boot: TX blinks 5 times.
1776 +)))
1609 1609  
1778 +(((
1779 +Successful join network: TX ON for 5 seconds.
1780 +)))
1610 1610  
1782 +(((
1783 +Transmit a LoRa packet: TX blinks once
1784 +)))
1785 +)))
1786 +|**RX**|RX blinks once when receive a packet.
1787 +|**DO1**|
1788 +|**DO2**|
1789 +|**DO3**|
1790 +|**DI2**|(((
1791 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1792 +)))
1793 +|**DI2**|(((
1794 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1795 +)))
1796 +|**DI2**|(((
1797 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1798 +)))
1799 +|**RO1**|
1800 +|**RO2**|
1611 1611  
1612 -= 4. Use AT Command =
1613 1613  
1614 1614  
1804 +
1805 += 4. Use AT Command =
1806 +
1615 1615  == 4.1 Access AT Command ==
1616 1616  
1617 1617  
... ... @@ -1822,10 +1822,8 @@
1822 1822  )))
1823 1823  
1824 1824  
1825 -
1826 1826  == 4.2 Common AT Command Sequence ==
1827 1827  
1828 -
1829 1829  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1830 1830  
1831 1831  (((
... ... @@ -1870,7 +1870,6 @@
1870 1870  )))
1871 1871  
1872 1872  
1873 -
1874 1874  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1875 1875  
1876 1876  (((
... ... @@ -1943,7 +1943,7 @@
1943 1943  **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?
1944 1944  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1945 1945  
1946 -**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**
2135 +**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.**
1947 1947  
1948 1948  
1949 1949  )))
... ... @@ -1956,7 +1956,6 @@
1956 1956  
1957 1957  )))
1958 1958  
1959 -
1960 1960  === 4.2.3 Change to Class A ===
1961 1961  
1962 1962  
... ... @@ -1968,13 +1968,19 @@
1968 1968  )))
1969 1969  
1970 1970  
2159 += 5. Case Study =
1971 1971  
1972 -= 5. FAQ =
2161 +== 5.1 Counting how many objects pass in Flow Line ==
1973 1973  
1974 1974  
1975 -== 5.1 How to upgrade the image? ==
2164 +Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1976 1976  
1977 1977  
2167 += 6. FAQ =
2168 +
2169 +== 6.1 How to upgrade the image? ==
2170 +
2171 +
1978 1978  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1979 1979  
1980 1980  * Support new features
... ... @@ -2002,8 +2002,10 @@
2002 2002  
2003 2003   [[image:image-20220524103407-12.png]]
2004 2004  
2199 +
2005 2005  [[image:image-20220524103429-13.png]]
2006 2006  
2202 +
2007 2007  [[image:image-20220524104033-15.png]]
2008 2008  
2009 2009  
... ... @@ -2015,10 +2015,8 @@
2015 2015  
2016 2016  (((
2017 2017  (((
2018 -
2214 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
2019 2019  
2020 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2021 -
2022 2022  
2023 2023  )))
2024 2024  )))
... ... @@ -2030,9 +2030,8 @@
2030 2030  (((
2031 2031  
2032 2032  
2227 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2033 2033  
2034 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2035 -
2036 2036  
2037 2037  )))
2038 2038  
... ... @@ -2094,26 +2094,29 @@
2094 2094  [[image:1653360498588-932.png||height="485" width="726"]]
2095 2095  
2096 2096  
2290 +== 6.4 How to change the uplink interval？ ==
2097 2097  
2098 -== 5.4 Can I see counting event in Serial? ==
2099 2099  
2293 +Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2100 2100  
2101 -(((
2102 -User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2103 2103  
2296 +== 6.5 Can I see counting event in Serial? ==
2104 2104  
2105 2105  
2106 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2299 +(((
2300 +User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2107 2107  
2108 2108  
2109 -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]].
2303 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2110 2110  
2111 2111  
2306 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2307 +
2112 2112  
2113 2113  )))
2114 2114  
2115 2115  (((
2116 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2312 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2117 2117  
2118 2118  
2119 2119  If the device is not shut down, but directly powered off.
... ... @@ -2125,10 +2125,9 @@
2125 2125  After restart, the status before power failure will be read from flash.
2126 2126  
2127 2127  
2324 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2128 2128  
2129 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2130 2130  
2131 -
2132 2132  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2133 2133  
2134 2134  
... ... @@ -2135,21 +2135,18 @@
2135 2135  [[image:image-20221006170630-1.png||height="610" width="945"]]
2136 2136  
2137 2137  
2138 -== 5.8 Can LT22222-L save RO state? ==
2333 +== 6.9 Can LT22222-L save RO state? ==
2139 2139  
2140 2140  
2141 2141  Firmware version needs to be no less than 1.6.0.
2142 2142  
2143 2143  
2144 -
2145 -= 6. Trouble Shooting =
2146 -
2147 -
2339 += 7. Trouble Shooting =
2148 2148  )))
2149 2149  
2150 2150  (((
2151 2151  (((
2152 -== 6.1 Downlink doesn't work, how to solve it? ==
2344 +== 7.1 Downlink doesn't work, how to solve it? ==
2153 2153  
2154 2154  
2155 2155  )))
... ... @@ -2162,9 +2162,8 @@
2162 2162  (((
2163 2163  
2164 2164  
2357 +== 7.2 Have trouble to upload image. ==
2165 2165  
2166 -== 6.2 Have trouble to upload image. ==
2167 -
2168 2168  
2169 2169  )))
2170 2170  
... ... @@ -2175,9 +2175,8 @@
2175 2175  (((
2176 2176  
2177 2177  
2369 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2178 2178  
2179 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2180 -
2181 2181  
2182 2182  )))
2183 2183  
... ... @@ -2186,10 +2186,9 @@
2186 2186  )))
2187 2187  
2188 2188  
2379 += 8. Order Info =
2189 2189  
2190 -= 7. Order Info =
2191 2191  
2192 -
2193 2193  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2194 2194  
2195 2195  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2204,11 +2204,9 @@
2204 2204  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2205 2205  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2206 2206  
2396 += 9. Packing Info =
2207 2207  
2208 2208  
2209 -= 8. Packing Info =
2210 -
2211 -
2212 2212  **Package Includes**:
2213 2213  
2214 2214  * LT-22222-L I/O Controller x 1
... ... @@ -2223,11 +2223,9 @@
2223 2223  * Package Size / pcs : 14.5 x 8 x 5 cm
2224 2224  * Weight / pcs : 170g
2225 2225  
2413 += 10. Support =
2226 2226  
2227 2227  
2228 -= 9. Support =
2229 -
2230 -
2231 2231  * (((
2232 2232  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
2233 2233  )))
... ... @@ -2238,7 +2238,7 @@
2238 2238  
2239 2239  )))
2240 2240  
2241 -= 10. Reference​​​​​ =
2426 += 11. Reference​​​​​ =
2242 2242  
2243 2243  
2244 2244  * 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]]
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