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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 122.7
edited by Xiaoling
on 2023/06/08 17:16
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**
... ... @@ -757,51 +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 -|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
762 -|Value|(((
763 -TRI_A
764 -FLAG
765 -)))|(((
766 -TRI_A
767 -Status
768 -)))|(((
769 -TRI_DI
770 -FLAG+STA
771 -)))|Reserve|Enable/Disable MOD6|(((
772 -MOD
773 -(6)
774 -)))
693 +[[image:image-20220524085923-1.png]]
775 775  
695 +
776 776  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
777 777  
778 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
779 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
780 -|(((
781 -AV1_
782 -LOW
783 -)))|(((
784 -AV1_
785 -HIGH
786 -)))|(((
787 -AV2_
788 -LOW
789 -)))|(((
790 -AV2_
791 -HIGH
792 -)))|(((
793 -AC1_
794 -LOW
795 -)))|(((
796 -AC1_
797 -HIGH
798 -)))|(((
799 -AC2_
800 -LOW
801 -)))|(((
802 -AC2_
803 -HIGH
804 -)))
698 +[[image:image-20220524090106-2.png]]
805 805  
806 806  * Each bits shows if the corresponding trigger has been configured.
807 807  
... ... @@ -810,35 +810,10 @@
810 810  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
811 811  
812 812  
707 +
813 813  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
814 814  
815 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
816 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
817 -|(((
818 -AV1_
819 -LOW
820 -)))|(((
821 -AV1_
822 -HIGH
823 -)))|(((
824 -AV2_
825 -LOW
826 -)))|(((
827 -AV2_
828 -HIGH
829 -)))|(((
830 -AC1_
831 -LOW
832 -)))|(((
833 -AC1_
834 -HIGH
835 -)))|(((
836 -AC2_
837 -LOW
838 -)))|(((
839 -AC2_
840 -HIGH
841 -)))
710 +[[image:image-20220524090249-3.png]]
842 842  
843 843  * Each bits shows which status has been trigger on this uplink.
844 844  
... ... @@ -847,11 +847,10 @@
847 847  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
848 848  
849 849  
719 +
850 850  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
851 851  
852 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
853 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
854 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
722 +[[image:image-20220524090456-4.png]]
855 855  
856 856  * Each bits shows which status has been trigger on this uplink.
857 857  
... ... @@ -862,6 +862,7 @@
862 862  00000101: Means both DI1 and DI2 trigger are enabled.
863 863  
864 864  
733 +
865 865  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
866 866  
867 867  Downlink command to poll MOD6 status:
... ... @@ -871,6 +871,7 @@
871 871  When device got this command, it will send the MOD6 payload.
872 872  
873 873  
743 +
874 874  === 3.3.7 Payload Decoder ===
875 875  
876 876  (((
... ... @@ -880,6 +880,7 @@
880 880  )))
881 881  
882 882  
753 +
883 883  == 3.4 ​Configure LT via AT or Downlink ==
884 884  
885 885  
... ... @@ -905,8 +905,10 @@
905 905  )))
906 906  
907 907  
779 +
908 908  === 3.4.2 Sensor related commands ===
909 909  
782 +
910 910  ==== 3.4.2.1 Set Transmit Interval ====
911 911  
912 912  
... ... @@ -982,6 +982,7 @@
982 982  
983 983  
984 984  
858 +
985 985  ==== 3.4.2.5 Poll trigger settings ====
986 986  
987 987  
... ... @@ -1064,7 +1064,7 @@
1064 1064  
1065 1065  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1066 1066  
1067 -(% 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)
1068 1068  
1069 1069  
1070 1070  
... ... @@ -1139,14 +1139,9 @@
1139 1139  
1140 1140  (((
1141 1141  01: Low,  00: High ,  11: No action
1142 -
1143 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1144 -|(% 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**
1145 -|02  01  00  11|Low|High|No Action
1146 -|02  00  11  01|High|No Action|Low
1147 -|02  11  01  00|No Action|Low|High
1148 1148  )))
1149 1149  
1018 +[[image:image-20220524092754-5.png]]
1150 1150  
1151 1151  (((
1152 1152  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1184,38 +1184,23 @@
1184 1184  
1185 1185  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1186 1186  
1187 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1188 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1189 -|0x01|DO1 set to low
1190 -|0x00|DO1 set to high
1191 -|0x11|DO1 NO Action
1056 +[[image:image-20220524093238-6.png]]
1192 1192  
1058 +
1193 1193  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1194 1194  
1195 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1196 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1197 -|0x01|DO2 set to low
1198 -|0x00|DO2 set to high
1199 -|0x11|DO2 NO Action
1061 +[[image:image-20220524093328-7.png]]
1200 1200  
1063 +
1201 1201  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1202 1202  
1203 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1204 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1205 -|0x01|DO3 set to low
1206 -|0x00|DO3 set to high
1207 -|0x11|DO3 NO Action
1066 +[[image:image-20220524093351-8.png]]
1208 1208  
1209 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1210 1210  
1069 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1211 1211  
1212 -(% style="color:red" %)**Note: **
1071 + Latching time. Unit: ms
1213 1213  
1214 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1215 -
1216 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1217 -
1218 -
1219 1219  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1220 1220  
1221 1221  
... ... @@ -1239,7 +1239,7 @@
1239 1239  
1240 1240  
1241 1241  
1242 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1096 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1243 1243  
1244 1244  
1245 1245  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1258,21 +1258,10 @@
1258 1258  
1259 1259  (((
1260 1260  01: Close ,  00: Open , 11: No action
1261 -
1262 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1263 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1264 -|03  00  11|Open|No Action
1265 -|03  01  11|Close|No Action
1266 -|03  11  00|No Action|Open
1267 -|03  11  01|No Action|Close
1268 -|03  00  00|Open|Open
1269 -|03  01  01|Close|Close
1270 -|03  01  00|Close|Open
1271 -|03  00  01|Open|Close
1272 1272  )))
1273 1273  
1274 1274  (((
1275 -
1118 +[[image:image-20220524093724-9.png]]
1276 1276  )))
1277 1277  
1278 1278  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1279,6 +1279,7 @@
1279 1279  
1280 1280  
1281 1281  
1125 +
1282 1282  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1283 1283  
1284 1284  
... ... @@ -1310,20 +1310,12 @@
1310 1310  
1311 1311  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1312 1312  
1313 -
1314 -(% style="color:red" %)**Note:**
1315 -
1316 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1317 -
1318 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1319 -
1320 -
1321 1321  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1322 1322  
1323 1323  
1324 1324  **Example payload:**
1325 1325  
1326 -**~1. 05 01 11 07 D0**
1162 +**~1. 05 01 11 07 D**
1327 1327  
1328 1328  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1329 1329  
... ... @@ -1458,6 +1458,7 @@
1458 1458  
1459 1459  
1460 1460  
1297 +
1461 1461  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1462 1462  
1463 1463  
... ... @@ -1474,6 +1474,7 @@
1474 1474  
1475 1475  
1476 1476  
1314 +
1477 1477  ==== 3.4.2.25 Copy downlink to uplink ====
1478 1478  
1479 1479  
... ... @@ -1512,6 +1512,7 @@
1512 1512  [[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"]]
1513 1513  
1514 1514  
1353 +
1515 1515  == 3.5 Integrate with Mydevice ==
1516 1516  
1517 1517  
... ... @@ -1536,7 +1536,7 @@
1536 1536  
1537 1537  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1538 1538  
1539 -(% 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" %)
1540 1540  
1541 1541  Search under The things network
1542 1542  
... ... @@ -1561,8 +1561,10 @@
1561 1561  [[image:image-20220524094909-5.png||height="341" width="734"]]
1562 1562  
1563 1563  
1403 +
1564 1564  == 3.6 Interface Detail ==
1565 1565  
1406 +
1566 1566  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1567 1567  
1568 1568  
... ... @@ -1571,6 +1571,7 @@
1571 1571  [[image:1653356991268-289.png]]
1572 1572  
1573 1573  
1415 +
1574 1574  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1575 1575  
1576 1576  
... ... @@ -1627,6 +1627,8 @@
1627 1627  
1628 1628  (((
1629 1629  
1472 +
1473 +
1630 1630  )))
1631 1631  
1632 1632  (((
... ... @@ -1658,6 +1658,8 @@
1658 1658  
1659 1659  (((
1660 1660  
1505 +
1506 +
1661 1661  )))
1662 1662  
1663 1663  (((
... ... @@ -1688,16 +1688,18 @@
1688 1688  )))
1689 1689  
1690 1690  
1537 +
1691 1691  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1692 1692  
1693 1693  
1694 -(% 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.
1695 1695  
1696 -(% 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.
1697 1697  
1698 1698  [[image:1653357531600-905.png]]
1699 1699  
1700 1700  
1548 +
1701 1701  === 3.6.4 Analog Input Interface ===
1702 1702  
1703 1703  
... ... @@ -1715,12 +1715,13 @@
1715 1715  
1716 1716  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1717 1717  
1718 -(% style="color:red" %)**Red:  12~~24v**
1566 +**Red:  12~~24v**
1719 1719  
1720 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1568 +**Yellow:  4~~20mA**
1721 1721  
1722 1722  **Black:  GND**
1723 1723  
1572 +
1724 1724  **Connection diagram:**
1725 1725  
1726 1726  [[image:1653357640609-758.png]]
... ... @@ -1728,22 +1728,7 @@
1728 1728  [[image:1653357648330-671.png||height="155" width="733"]]
1729 1729  
1730 1730  
1731 -Example connected to a regulated power supply to measure voltage
1732 1732  
1733 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1734 -
1735 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1736 -
1737 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1738 -
1739 -
1740 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1741 -
1742 -(% style="color:red" %)**Red:  12~~24v**
1743 -
1744 -**Black:  GND**
1745 -
1746 -
1747 1747  === 3.6.5 Relay Output ===
1748 1748  
1749 1749  
... ... @@ -1759,46 +1759,17 @@
1759 1759  [[image:image-20220524100215-10.png||height="382" width="723"]]
1760 1760  
1761 1761  
1596 +
1762 1762  == 3.7 LEDs Indicators ==
1763 1763  
1764 1764  
1765 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1766 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1767 -|**PWR**|Always on if there is power
1768 -|**SYS**|(((
1769 -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.
1770 -)))
1771 -|**TX**|(((
1772 -(((
1773 -Device boot: TX blinks 5 times.
1774 -)))
1600 +[[image:image-20220524100748-11.png]]
1775 1775  
1776 -(((
1777 -Successful join network: TX ON for 5 seconds.
1778 -)))
1779 1779  
1780 -(((
1781 -Transmit a LoRa packet: TX blinks once
1782 -)))
1783 -)))
1784 -|**RX**|RX blinks once when receive a packet.
1785 -|**DO1**|
1786 -|**DO2**|
1787 -|**DO3**|
1788 -|**DI2**|(((
1789 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1790 -)))
1791 -|**DI2**|(((
1792 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1793 -)))
1794 -|**DI2**|(((
1795 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1796 -)))
1797 -|**RO1**|
1798 -|**RO2**|
1799 1799  
1800 1800  = 4. Use AT Command =
1801 1801  
1606 +
1802 1802  == 4.1 Access AT Command ==
1803 1803  
1804 1804  
... ... @@ -2009,8 +2009,10 @@
2009 2009  )))
2010 2010  
2011 2011  
1817 +
2012 2012  == 4.2 Common AT Command Sequence ==
2013 2013  
1820 +
2014 2014  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
2015 2015  
2016 2016  (((
... ... @@ -2055,6 +2055,7 @@
2055 2055  )))
2056 2056  
2057 2057  
1865 +
2058 2058  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
2059 2059  
2060 2060  (((
... ... @@ -2127,7 +2127,7 @@
2127 2127  **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?
2128 2128  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2129 2129  
2130 -**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**
2131 2131  
2132 2132  
2133 2133  )))
... ... @@ -2140,6 +2140,7 @@
2140 2140  
2141 2141  )))
2142 2142  
1951 +
2143 2143  === 4.2.3 Change to Class A ===
2144 2144  
2145 2145  
... ... @@ -2151,19 +2151,13 @@
2151 2151  )))
2152 2152  
2153 2153  
2154 -= 5. Case Study =
2155 2155  
2156 -== 5.1 Counting how many objects pass in Flow Line ==
1964 += 5. FAQ =
2157 2157  
2158 2158  
2159 -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? ==
2160 2160  
2161 2161  
2162 -= 6. FAQ =
2163 -
2164 -== 6.1 How to upgrade the image? ==
2165 -
2166 -
2167 2167  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2168 2168  
2169 2169  * Support new features
... ... @@ -2191,10 +2191,8 @@
2191 2191  
2192 2192   [[image:image-20220524103407-12.png]]
2193 2193  
2194 -
2195 2195  [[image:image-20220524103429-13.png]]
2196 2196  
2197 -
2198 2198  [[image:image-20220524104033-15.png]]
2199 2199  
2200 2200  
... ... @@ -2206,8 +2206,10 @@
2206 2206  
2207 2207  (((
2208 2208  (((
2209 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2010 +
2210 2210  
2012 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2013 +
2211 2211  
2212 2212  )))
2213 2213  )))
... ... @@ -2219,8 +2219,9 @@
2219 2219  (((
2220 2220  
2221 2221  
2222 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2223 2223  
2026 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2027 +
2224 2224  
2225 2225  )))
2226 2226  
... ... @@ -2282,29 +2282,26 @@
2282 2282  [[image:1653360498588-932.png||height="485" width="726"]]
2283 2283  
2284 2284  
2285 -== 6.4 How to change the uplink interval？ ==
2286 2286  
2090 +== 5.4 Can I see counting event in Serial? ==
2287 2287  
2288 -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/]]
2289 2289  
2290 -
2291 -== 6.5 Can I see counting event in Serial? ==
2292 -
2293 -
2294 2294  (((
2295 2295  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.
2296 2296  
2297 2297  
2298 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2299 2299  
2098 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2300 2300  
2100 +
2301 2301  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]].
2302 2302  
2103 +
2303 2303  
2304 2304  )))
2305 2305  
2306 2306  (((
2307 -== 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? ==
2308 2308  
2309 2309  
2310 2310  If the device is not shut down, but directly powered off.
... ... @@ -2316,9 +2316,10 @@
2316 2316  After restart, the status before power failure will be read from flash.
2317 2317  
2318 2318  
2319 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2320 2320  
2121 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2321 2321  
2123 +
2322 2322  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2323 2323  
2324 2324  
... ... @@ -2325,18 +2325,21 @@
2325 2325  [[image:image-20221006170630-1.png||height="610" width="945"]]
2326 2326  
2327 2327  
2328 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 5.8 Can LT22222-L save RO state? ==
2329 2329  
2330 2330  
2331 2331  Firmware version needs to be no less than 1.6.0.
2332 2332  
2333 2333  
2334 -= 7. Trouble Shooting =
2136 +
2137 += 6. Trouble Shooting =
2138 +
2139 +
2335 2335  )))
2336 2336  
2337 2337  (((
2338 2338  (((
2339 -== 7.1 Downlink doesn't work, how to solve it? ==
2144 +== 6.1 Downlink doesn't work, how to solve it? ==
2340 2340  
2341 2341  
2342 2342  )))
... ... @@ -2349,8 +2349,9 @@
2349 2349  (((
2350 2350  
2351 2351  
2352 -== 7.2 Have trouble to upload image. ==
2353 2353  
2158 +== 6.2 Have trouble to upload image. ==
2159 +
2354 2354  
2355 2355  )))
2356 2356  
... ... @@ -2361,8 +2361,9 @@
2361 2361  (((
2362 2362  
2363 2363  
2364 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2365 2365  
2171 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2172 +
2366 2366  
2367 2367  )))
2368 2368  
... ... @@ -2371,9 +2371,10 @@
2371 2371  )))
2372 2372  
2373 2373  
2374 -= 8. Order Info =
2375 2375  
2182 += 7. Order Info =
2376 2376  
2184 +
2377 2377  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2378 2378  
2379 2379  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2388,7 +2388,7 @@
2388 2388  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2389 2389  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2390 2390  
2391 -= 9. Packing Info =
2199 += 8. Packing Info =
2392 2392  
2393 2393  
2394 2394  **Package Includes**:
... ... @@ -2405,7 +2405,7 @@
2405 2405  * Package Size / pcs : 14.5 x 8 x 5 cm
2406 2406  * Weight / pcs : 170g
2407 2407  
2408 -= 10. Support =
2216 += 9. Support =
2409 2409  
2410 2410  
2411 2411  * (((
... ... @@ -2412,13 +2412,13 @@
2412 2412  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.
2413 2413  )))
2414 2414  * (((
2415 -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]]
2416 2416  
2417 2417  
2418 2418  
2419 2419  )))
2420 2420  
2421 -= 11. Reference​​​​​ =
2229 += 10. Reference​​​​​ =
2422 2422  
2423 2423  
2424 2424  * 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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