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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 122.10
edited by Xiaoling
on 2023/06/08 17:27
Change comment: There is no comment for this version
To version 108.1
edited by Edwin Chen
on 2022/11/19 09:29
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
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  (((
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
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.
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.
30 30  )))
31 31  
32 32  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,47 +176,29 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 -
193 -
194 194  == 1.4  Applications ==
195 195  
196 196  
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 -
210 -
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
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" %)(((
202 +(% border="1" style="background-color:#f7faff; width:500px" %)
203 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
204 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -225,8 +225,6 @@
225 225  * 1 x Counting Port
226 226  )))
227 227  
228 -
229 -
230 230  = 2. Power ON Device =
231 231  
232 232  
... ... @@ -243,8 +243,10 @@
243 243  [[image:1653297104069-180.png]]
244 244  
245 245  
229 +
246 246  = 3. Operation Mode =
247 247  
232 +
248 248  == 3.1 How it works? ==
249 249  
250 250  
... ... @@ -257,6 +257,7 @@
257 257  )))
258 258  
259 259  
245 +
260 260  == 3.2 Example to join LoRaWAN network ==
261 261  
262 262  
... ... @@ -283,7 +283,7 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png||height="246" width="530"]]
272 +[[image:1653297924498-393.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -308,6 +308,7 @@
308 308  [[image:1653298044601-602.png||height="405" width="709"]]
309 309  
310 310  
297 +
311 311  == 3.3 Uplink Payload ==
312 312  
313 313  
... ... @@ -314,50 +314,28 @@
314 314  There are five working modes + one interrupt mode on LT for different type application:
315 315  
316 316  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
317 -
318 318  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
319 -
320 320  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
321 -
322 322  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
323 -
324 324  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
325 -
326 326  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
327 327  
328 -
329 -
330 330  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
331 331  
332 332  
333 333  (((
334 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
335 -
336 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
337 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
338 -|Value|(((
339 -AVI1 voltage
340 -)))|(((
341 -AVI2 voltage
342 -)))|(((
343 -ACI1 Current
344 -)))|(((
345 -ACI2 Current
346 -)))|DIDORO*|(((
347 -Reserve
348 -)))|MOD
314 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
349 349  )))
350 350  
317 +[[image:image-20220523174024-3.png]]
318 +
351 351  (((
352 352  
353 353  
354 354  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
355 -
356 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
357 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
358 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
359 359  )))
360 360  
325 +[[image:image-20220523174254-4.png]]
361 361  
362 362  * RO is for relay. ROx=1 : close，ROx=0 always open.
363 363  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -407,26 +407,18 @@
407 407  
408 408  (((
409 409  Total : 11 bytes payload
410 -
411 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
412 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
413 -|Value|COUNT1|COUNT2 |DIDORO*|(((
414 -Reserve
415 -)))|MOD
416 416  )))
417 417  
418 -(((
419 -
377 +[[image:image-20220523180452-3.png]]
420 420  
421 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
422 422  
423 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
424 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
425 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
426 -
427 -RO is for relay. ROx=1 : close，ROx=0 always open.
380 +(((
381 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
428 428  )))
429 429  
384 +[[image:image-20220523180506-4.png]]
385 +
386 +* RO is for relay. ROx=1 : close，ROx=0 always open.
430 430  * FIRST: Indicate this is the first packet after join network.
431 431  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
432 432  
... ... @@ -479,29 +479,21 @@
479 479  )))
480 480  
481 481  
439 +
482 482  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
483 483  
484 484  
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
486 486  
487 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
488 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
489 -|Value|COUNT1|(((
490 -ACI1 Current
491 -)))|(((
492 -ACI2 Current
493 -)))|DIDORO*|Reserve|MOD
445 +[[image:image-20220523181246-5.png]]
494 494  
495 495  (((
496 496  
497 497  
498 498  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
499 -
500 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
501 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
502 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
503 503  )))
504 504  
453 +[[image:image-20220523181301-6.png]]
505 505  
506 506  * RO is for relay. ROx=1 : close，ROx=0 always open.
507 507  * FIRST: Indicate this is the first packet after join network.
... ... @@ -534,6 +534,7 @@
534 534  )))
535 535  
536 536  
486 +
537 537  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
538 538  
539 539  
... ... @@ -543,22 +543,16 @@
543 543  
544 544  (((
545 545  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.
546 -
547 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
548 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
549 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
550 -Reserve)))|MOD
551 551  )))
552 552  
498 +[[image:image-20220523181903-8.png]]
553 553  
500 +
554 554  (((
555 555  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
556 -
557 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
558 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
559 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
560 560  )))
561 561  
505 +[[image:image-20220523181727-7.png]]
562 562  
563 563  * RO is for relay. ROx=1 : close，ROx=0 always open.
564 564  * FIRST: Indicate this is the first packet after join network.
... ... @@ -608,31 +608,18 @@
608 608  )))
609 609  
610 610  
555 +
611 611  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
612 612  
613 613  
614 614  **LT22222-L**: This mode the DI1 is used as a counting pin.
615 615  
616 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
617 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
618 -|Value|(((
619 -AVI1 voltage
620 -)))|(((
621 -AVI2 voltage
622 -)))|(((
623 -ACI1 Current
624 -)))|COUNT1|DIDORO*|(((
625 -Reserve
626 -)))|MOD
561 +[[image:image-20220523182334-9.png]]
627 627  
628 628  (((
629 629  
630 630  
631 631  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
632 -
633 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
634 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
635 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
636 636  )))
637 637  
638 638  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -669,6 +669,7 @@
669 669  )))
670 670  
671 671  
603 +
672 672  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
673 673  
674 674  
... ... @@ -723,6 +723,7 @@
723 723  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
724 724  
725 725  
658 +
726 726  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
727 727  
728 728  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -757,39 +757,12 @@
757 757  
758 758  MOD6 Payload : total 11 bytes payload
759 759  
760 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
761 -|(% style="background-color:#D9E2F3;color:#0070C0;width:60px" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0;width:70px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:70px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:110px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:50px" %)**6**|(% style="background-color:#D9E2F3;color:#0070C0;width:110px" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0;width:50px" %)**1**
762 -|Value|(((
763 -TRI_A FLAG
764 -)))|(((
765 -TRI_A Status
766 -)))|(((
767 -TRI_DI FLAG+STA
768 -)))|Reserve|Enable/Disable MOD6|(((
769 -MOD(6)
770 -)))
693 +[[image:image-20220524085923-1.png]]
771 771  
695 +
772 772  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
773 773  
774 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
775 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
776 -|(((
777 -AV1_LOW
778 -)))|(((
779 -AV1_HIGH
780 -)))|(((
781 -AV2_LOW
782 -)))|(((
783 -AV2_HIGH
784 -)))|(((
785 -AC1_LOW
786 -)))|(((
787 -AC1_HIGH
788 -)))|(((
789 -AC2_LOW
790 -)))|(((
791 -AC2_HIGH
792 -)))
698 +[[image:image-20220524090106-2.png]]
793 793  
794 794  * Each bits shows if the corresponding trigger has been configured.
795 795  
... ... @@ -798,27 +798,10 @@
798 798  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
799 799  
800 800  
707 +
801 801  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
802 802  
803 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
804 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
805 -|(((
806 -AV1_LOW
807 -)))|(((
808 -AV1_HIGH
809 -)))|(((
810 -AV2_LOW
811 -)))|(((
812 -AV2_HIGH
813 -)))|(((
814 -AC1_LOW
815 -)))|(((
816 -AC1_HIGH
817 -)))|(((
818 -AC2_LOW
819 -)))|(((
820 -AC2_HIGH
821 -)))
710 +[[image:image-20220524090249-3.png]]
822 822  
823 823  * Each bits shows which status has been trigger on this uplink.
824 824  
... ... @@ -827,11 +827,10 @@
827 827  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
828 828  
829 829  
719 +
830 830  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
831 831  
832 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
833 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
834 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
722 +[[image:image-20220524090456-4.png]]
835 835  
836 836  * Each bits shows which status has been trigger on this uplink.
837 837  
... ... @@ -842,6 +842,7 @@
842 842  00000101: Means both DI1 and DI2 trigger are enabled.
843 843  
844 844  
733 +
845 845  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
846 846  
847 847  Downlink command to poll MOD6 status:
... ... @@ -851,6 +851,7 @@
851 851  When device got this command, it will send the MOD6 payload.
852 852  
853 853  
743 +
854 854  === 3.3.7 Payload Decoder ===
855 855  
856 856  (((
... ... @@ -860,6 +860,7 @@
860 860  )))
861 861  
862 862  
753 +
863 863  == 3.4 ​Configure LT via AT or Downlink ==
864 864  
865 865  
... ... @@ -885,8 +885,10 @@
885 885  )))
886 886  
887 887  
779 +
888 888  === 3.4.2 Sensor related commands ===
889 889  
782 +
890 890  ==== 3.4.2.1 Set Transmit Interval ====
891 891  
892 892  
... ... @@ -962,6 +962,7 @@
962 962  
963 963  
964 964  
858 +
965 965  ==== 3.4.2.5 Poll trigger settings ====
966 966  
967 967  
... ... @@ -1044,7 +1044,7 @@
1044 1044  
1045 1045  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1046 1046  
1047 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
941 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
1048 1048  
1049 1049  
1050 1050  
... ... @@ -1119,14 +1119,9 @@
1119 1119  
1120 1120  (((
1121 1121  01: Low,  00: High ,  11: No action
1122 -
1123 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1124 -|(% 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**
1125 -|02  01  00  11|Low|High|No Action
1126 -|02  00  11  01|High|No Action|Low
1127 -|02  11  01  00|No Action|Low|High
1128 1128  )))
1129 1129  
1018 +[[image:image-20220524092754-5.png]]
1130 1130  
1131 1131  (((
1132 1132  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1164,38 +1164,23 @@
1164 1164  
1165 1165  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1166 1166  
1167 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1168 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1169 -|0x01|DO1 set to low
1170 -|0x00|DO1 set to high
1171 -|0x11|DO1 NO Action
1056 +[[image:image-20220524093238-6.png]]
1172 1172  
1058 +
1173 1173  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1174 1174  
1175 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1176 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1177 -|0x01|DO2 set to low
1178 -|0x00|DO2 set to high
1179 -|0x11|DO2 NO Action
1061 +[[image:image-20220524093328-7.png]]
1180 1180  
1063 +
1181 1181  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1182 1182  
1183 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1184 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1185 -|0x01|DO3 set to low
1186 -|0x00|DO3 set to high
1187 -|0x11|DO3 NO Action
1066 +[[image:image-20220524093351-8.png]]
1188 1188  
1189 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1190 1190  
1069 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1191 1191  
1192 -(% style="color:red" %)**Note: **
1071 + Latching time. Unit: ms
1193 1193  
1194 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1195 -
1196 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1197 -
1198 -
1199 1199  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1200 1200  
1201 1201  
... ... @@ -1219,7 +1219,7 @@
1219 1219  
1220 1220  
1221 1221  
1222 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1096 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1223 1223  
1224 1224  
1225 1225  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1238,21 +1238,10 @@
1238 1238  
1239 1239  (((
1240 1240  01: Close ,  00: Open , 11: No action
1241 -
1242 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1243 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1244 -|03  00  11|Open|No Action
1245 -|03  01  11|Close|No Action
1246 -|03  11  00|No Action|Open
1247 -|03  11  01|No Action|Close
1248 -|03  00  00|Open|Open
1249 -|03  01  01|Close|Close
1250 -|03  01  00|Close|Open
1251 -|03  00  01|Open|Close
1252 1252  )))
1253 1253  
1254 1254  (((
1255 -
1118 +[[image:image-20220524093724-9.png]]
1256 1256  )))
1257 1257  
1258 1258  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1259,6 +1259,7 @@
1259 1259  
1260 1260  
1261 1261  
1125 +
1262 1262  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1263 1263  
1264 1264  
... ... @@ -1290,20 +1290,12 @@
1290 1290  
1291 1291  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1292 1292  
1293 -
1294 -(% style="color:red" %)**Note:**
1295 -
1296 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1297 -
1298 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1299 -
1300 -
1301 1301  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1302 1302  
1303 1303  
1304 1304  **Example payload:**
1305 1305  
1306 -**~1. 05 01 11 07 D0**
1162 +**~1. 05 01 11 07 D**
1307 1307  
1308 1308  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1309 1309  
... ... @@ -1438,6 +1438,7 @@
1438 1438  
1439 1439  
1440 1440  
1297 +
1441 1441  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1442 1442  
1443 1443  
... ... @@ -1454,6 +1454,7 @@
1454 1454  
1455 1455  
1456 1456  
1314 +
1457 1457  ==== 3.4.2.25 Copy downlink to uplink ====
1458 1458  
1459 1459  
... ... @@ -1492,6 +1492,7 @@
1492 1492  [[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"]]
1493 1493  
1494 1494  
1353 +
1495 1495  == 3.5 Integrate with Mydevice ==
1496 1496  
1497 1497  
... ... @@ -1516,7 +1516,7 @@
1516 1516  
1517 1517  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1518 1518  
1519 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1378 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1520 1520  
1521 1521  Search under The things network
1522 1522  
... ... @@ -1541,8 +1541,10 @@
1541 1541  [[image:image-20220524094909-5.png||height="341" width="734"]]
1542 1542  
1543 1543  
1403 +
1544 1544  == 3.6 Interface Detail ==
1545 1545  
1406 +
1546 1546  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1547 1547  
1548 1548  
... ... @@ -1551,6 +1551,7 @@
1551 1551  [[image:1653356991268-289.png]]
1552 1552  
1553 1553  
1415 +
1554 1554  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1555 1555  
1556 1556  
... ... @@ -1607,6 +1607,8 @@
1607 1607  
1608 1608  (((
1609 1609  
1472 +
1473 +
1610 1610  )))
1611 1611  
1612 1612  (((
... ... @@ -1638,6 +1638,8 @@
1638 1638  
1639 1639  (((
1640 1640  
1505 +
1506 +
1641 1641  )))
1642 1642  
1643 1643  (((
... ... @@ -1668,16 +1668,18 @@
1668 1668  )))
1669 1669  
1670 1670  
1537 +
1671 1671  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1672 1672  
1673 1673  
1674 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1541 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1675 1675  
1676 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1543 +Note: DO pins go to float when device is power off.
1677 1677  
1678 1678  [[image:1653357531600-905.png]]
1679 1679  
1680 1680  
1548 +
1681 1681  === 3.6.4 Analog Input Interface ===
1682 1682  
1683 1683  
... ... @@ -1695,12 +1695,13 @@
1695 1695  
1696 1696  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1697 1697  
1698 -(% style="color:red" %)**Red:  12~~24v**
1566 +**Red:  12~~24v**
1699 1699  
1700 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1568 +**Yellow:  4~~20mA**
1701 1701  
1702 1702  **Black:  GND**
1703 1703  
1572 +
1704 1704  **Connection diagram:**
1705 1705  
1706 1706  [[image:1653357640609-758.png]]
... ... @@ -1708,22 +1708,7 @@
1708 1708  [[image:1653357648330-671.png||height="155" width="733"]]
1709 1709  
1710 1710  
1711 -Example connected to a regulated power supply to measure voltage
1712 1712  
1713 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1714 -
1715 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1716 -
1717 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1718 -
1719 -
1720 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1721 -
1722 -(% style="color:red" %)**Red:  12~~24v**
1723 -
1724 -**Black:  GND**
1725 -
1726 -
1727 1727  === 3.6.5 Relay Output ===
1728 1728  
1729 1729  
... ... @@ -1739,46 +1739,17 @@
1739 1739  [[image:image-20220524100215-10.png||height="382" width="723"]]
1740 1740  
1741 1741  
1596 +
1742 1742  == 3.7 LEDs Indicators ==
1743 1743  
1744 1744  
1745 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1746 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1747 -|**PWR**|Always on if there is power
1748 -|**SYS**|(((
1749 -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.
1750 -)))
1751 -|**TX**|(((
1752 -(((
1753 -Device boot: TX blinks 5 times.
1754 -)))
1600 +[[image:image-20220524100748-11.png]]
1755 1755  
1756 -(((
1757 -Successful join network: TX ON for 5 seconds.
1758 -)))
1759 1759  
1760 -(((
1761 -Transmit a LoRa packet: TX blinks once
1762 -)))
1763 -)))
1764 -|**RX**|RX blinks once when receive a packet.
1765 -|**DO1**|
1766 -|**DO2**|
1767 -|**DO3**|
1768 -|**DI2**|(((
1769 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1770 -)))
1771 -|**DI2**|(((
1772 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1773 -)))
1774 -|**DI2**|(((
1775 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1776 -)))
1777 -|**RO1**|
1778 -|**RO2**|
1779 1779  
1780 1780  = 4. Use AT Command =
1781 1781  
1606 +
1782 1782  == 4.1 Access AT Command ==
1783 1783  
1784 1784  
... ... @@ -1989,8 +1989,10 @@
1989 1989  )))
1990 1990  
1991 1991  
1817 +
1992 1992  == 4.2 Common AT Command Sequence ==
1993 1993  
1820 +
1994 1994  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1995 1995  
1996 1996  (((
... ... @@ -2035,6 +2035,7 @@
2035 2035  )))
2036 2036  
2037 2037  
1865 +
2038 2038  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
2039 2039  
2040 2040  (((
... ... @@ -2107,7 +2107,7 @@
2107 2107  **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?
2108 2108  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2109 2109  
2110 -**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.**
1938 +**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**
2111 2111  
2112 2112  
2113 2113  )))
... ... @@ -2120,6 +2120,7 @@
2120 2120  
2121 2121  )))
2122 2122  
1951 +
2123 2123  === 4.2.3 Change to Class A ===
2124 2124  
2125 2125  
... ... @@ -2131,19 +2131,13 @@
2131 2131  )))
2132 2132  
2133 2133  
2134 -= 5. Case Study =
2135 2135  
2136 -== 5.1 Counting how many objects pass in Flow Line ==
1964 += 5. FAQ =
2137 2137  
2138 2138  
2139 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1967 +== 5.1 How to upgrade the image? ==
2140 2140  
2141 2141  
2142 -= 6. FAQ =
2143 -
2144 -== 6.1 How to upgrade the image? ==
2145 -
2146 -
2147 2147  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2148 2148  
2149 2149  * Support new features
... ... @@ -2171,10 +2171,8 @@
2171 2171  
2172 2172   [[image:image-20220524103407-12.png]]
2173 2173  
2174 -
2175 2175  [[image:image-20220524103429-13.png]]
2176 2176  
2177 -
2178 2178  [[image:image-20220524104033-15.png]]
2179 2179  
2180 2180  
... ... @@ -2186,8 +2186,10 @@
2186 2186  
2187 2187  (((
2188 2188  (((
2189 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2010 +
2190 2190  
2012 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2013 +
2191 2191  
2192 2192  )))
2193 2193  )))
... ... @@ -2199,8 +2199,9 @@
2199 2199  (((
2200 2200  
2201 2201  
2202 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2203 2203  
2026 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2027 +
2204 2204  
2205 2205  )))
2206 2206  
... ... @@ -2262,29 +2262,26 @@
2262 2262  [[image:1653360498588-932.png||height="485" width="726"]]
2263 2263  
2264 2264  
2265 -== 6.4 How to change the uplink interval？ ==
2266 2266  
2090 +== 5.4 Can I see counting event in Serial? ==
2267 2267  
2268 -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/]]
2269 2269  
2270 -
2271 -== 6.5 Can I see counting event in Serial? ==
2272 -
2273 -
2274 2274  (((
2275 2275  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.
2276 2276  
2277 2277  
2278 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2279 2279  
2098 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2280 2280  
2100 +
2281 2281  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]].
2282 2282  
2103 +
2283 2283  
2284 2284  )))
2285 2285  
2286 2286  (((
2287 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2108 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2288 2288  
2289 2289  
2290 2290  If the device is not shut down, but directly powered off.
... ... @@ -2296,9 +2296,10 @@
2296 2296  After restart, the status before power failure will be read from flash.
2297 2297  
2298 2298  
2299 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2300 2300  
2121 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2301 2301  
2123 +
2302 2302  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2303 2303  
2304 2304  
... ... @@ -2305,18 +2305,21 @@
2305 2305  [[image:image-20221006170630-1.png||height="610" width="945"]]
2306 2306  
2307 2307  
2308 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 5.8 Can LT22222-L save RO state? ==
2309 2309  
2310 2310  
2311 2311  Firmware version needs to be no less than 1.6.0.
2312 2312  
2313 2313  
2314 -= 7. Trouble Shooting =
2136 +
2137 += 6. Trouble Shooting =
2138 +
2139 +
2315 2315  )))
2316 2316  
2317 2317  (((
2318 2318  (((
2319 -== 7.1 Downlink doesn't work, how to solve it? ==
2144 +== 6.1 Downlink doesn't work, how to solve it? ==
2320 2320  
2321 2321  
2322 2322  )))
... ... @@ -2329,8 +2329,9 @@
2329 2329  (((
2330 2330  
2331 2331  
2332 -== 7.2 Have trouble to upload image. ==
2333 2333  
2158 +== 6.2 Have trouble to upload image. ==
2159 +
2334 2334  
2335 2335  )))
2336 2336  
... ... @@ -2341,8 +2341,9 @@
2341 2341  (((
2342 2342  
2343 2343  
2344 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2345 2345  
2171 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2172 +
2346 2346  
2347 2347  )))
2348 2348  
... ... @@ -2351,9 +2351,10 @@
2351 2351  )))
2352 2352  
2353 2353  
2354 -= 8. Order Info =
2355 2355  
2182 += 7. Order Info =
2356 2356  
2184 +
2357 2357  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2358 2358  
2359 2359  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2368,7 +2368,7 @@
2368 2368  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2369 2369  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2370 2370  
2371 -= 9. Packing Info =
2199 += 8. Packing Info =
2372 2372  
2373 2373  
2374 2374  **Package Includes**:
... ... @@ -2385,7 +2385,7 @@
2385 2385  * Package Size / pcs : 14.5 x 8 x 5 cm
2386 2386  * Weight / pcs : 170g
2387 2387  
2388 -= 10. Support =
2216 += 9. Support =
2389 2389  
2390 2390  
2391 2391  * (((
... ... @@ -2392,13 +2392,13 @@
2392 2392  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.
2393 2393  )))
2394 2394  * (((
2395 -Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[Support@dragino.cc>>mailto:Support@dragino.cc]]
2223 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2396 2396  
2397 2397  
2398 2398  
2399 2399  )))
2400 2400  
2401 -= 11. Reference​​​​​ =
2229 += 10. Reference​​​​​ =
2402 2402  
2403 2403  
2404 2404  * 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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