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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 122.2
edited by Xiaoling
on 2023/06/08 17:10
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.
... ... @@ -407,28 +407,18 @@
407 407  
408 408  (((
409 409  Total : 11 bytes payload
375 +)))
410 410  
411 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
412 -|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
413 -|Value|COUNT1|COUNT2 |DIDORO*|(((
414 -Reserve
377 +[[image:image-20220523180452-3.png]]
415 415  
416 -
417 -)))|MOD
418 -)))
419 419  
420 420  (((
421 -
422 -
423 423  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
424 -
425 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
426 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
427 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
428 -
429 -RO is for relay. ROx=1 : close，ROx=0 always open.
430 430  )))
431 431  
384 +[[image:image-20220523180506-4.png]]
385 +
386 +* RO is for relay. ROx=1 : close，ROx=0 always open.
432 432  * FIRST: Indicate this is the first packet after join network.
433 433  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
434 434  
... ... @@ -481,29 +481,21 @@
481 481  )))
482 482  
483 483  
439 +
484 484  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
485 485  
486 486  
487 487  **LT22222-L**: This mode the DI1 is used as a counting pin.
488 488  
489 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
490 -|**Size(bytes)**|**4**|**2**|**2**|**1**|**1**|**1**
491 -|Value|COUNT1|(((
492 -ACI1 Current
493 -)))|(((
494 -ACI2 Current
495 -)))|DIDORO*|Reserve|MOD
445 +[[image:image-20220523181246-5.png]]
496 496  
497 497  (((
498 498  
499 499  
500 500  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
501 -
502 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
503 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
504 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
505 505  )))
506 506  
453 +[[image:image-20220523181301-6.png]]
507 507  
508 508  * RO is for relay. ROx=1 : close，ROx=0 always open.
509 509  * FIRST: Indicate this is the first packet after join network.
... ... @@ -536,6 +536,7 @@
536 536  )))
537 537  
538 538  
486 +
539 539  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
540 540  
541 541  
... ... @@ -545,25 +545,16 @@
545 545  
546 546  (((
547 547  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.
548 -
549 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
550 -|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
551 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
552 -Reserve
553 -
554 -
555 -)))|MOD
556 556  )))
557 557  
498 +[[image:image-20220523181903-8.png]]
558 558  
500 +
559 559  (((
560 560  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
561 -
562 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
563 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
564 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
565 565  )))
566 566  
505 +[[image:image-20220523181727-7.png]]
567 567  
568 568  * RO is for relay. ROx=1 : close，ROx=0 always open.
569 569  * FIRST: Indicate this is the first packet after join network.
... ... @@ -613,34 +613,18 @@
613 613  )))
614 614  
615 615  
555 +
616 616  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
617 617  
618 618  
619 619  **LT22222-L**: This mode the DI1 is used as a counting pin.
620 620  
621 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
622 -|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
623 -|Value|(((
624 -AVI1
625 -voltage
626 -)))|(((
627 -AVI2
628 -voltage
629 -)))|(((
630 -ACI1
631 -Current
632 -)))|COUNT1|DIDORO*|(((
633 -Reserve
634 -)))|MOD
561 +[[image:image-20220523182334-9.png]]
635 635  
636 636  (((
637 637  
638 638  
639 639  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
640 -
641 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
642 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
643 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
644 644  )))
645 645  
646 646  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -677,6 +677,7 @@
677 677  )))
678 678  
679 679  
603 +
680 680  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
681 681  
682 682  
... ... @@ -731,6 +731,7 @@
731 731  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
732 732  
733 733  
658 +
734 734  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
735 735  
736 736  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -765,51 +765,12 @@
765 765  
766 766  MOD6 Payload : total 11 bytes payload
767 767  
768 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
769 -|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
770 -|Value|(((
771 -TRI_A
772 -FLAG
773 -)))|(((
774 -TRI_A
775 -Status
776 -)))|(((
777 -TRI_DI
778 -FLAG+STA
779 -)))|Reserve|Enable/Disable MOD6|(((
780 -MOD
781 -(6)
782 -)))
693 +[[image:image-20220524085923-1.png]]
783 783  
695 +
784 784  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
785 785  
786 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
787 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
788 -|(((
789 -AV1_
790 -LOW
791 -)))|(((
792 -AV1_
793 -HIGH
794 -)))|(((
795 -AV2_
796 -LOW
797 -)))|(((
798 -AV2_
799 -HIGH
800 -)))|(((
801 -AC1_
802 -LOW
803 -)))|(((
804 -AC1_
805 -HIGH
806 -)))|(((
807 -AC2_
808 -LOW
809 -)))|(((
810 -AC2_
811 -HIGH
812 -)))
698 +[[image:image-20220524090106-2.png]]
813 813  
814 814  * Each bits shows if the corresponding trigger has been configured.
815 815  
... ... @@ -818,35 +818,10 @@
818 818  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
819 819  
820 820  
707 +
821 821  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
822 822  
823 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
824 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
825 -|(((
826 -AV1_
827 -LOW
828 -)))|(((
829 -AV1_
830 -HIGH
831 -)))|(((
832 -AV2_
833 -LOW
834 -)))|(((
835 -AV2_
836 -HIGH
837 -)))|(((
838 -AC1_
839 -LOW
840 -)))|(((
841 -AC1_
842 -HIGH
843 -)))|(((
844 -AC2_
845 -LOW
846 -)))|(((
847 -AC2_
848 -HIGH
849 -)))
710 +[[image:image-20220524090249-3.png]]
850 850  
851 851  * Each bits shows which status has been trigger on this uplink.
852 852  
... ... @@ -855,11 +855,10 @@
855 855  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
856 856  
857 857  
719 +
858 858  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
859 859  
860 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
861 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
862 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
722 +[[image:image-20220524090456-4.png]]
863 863  
864 864  * Each bits shows which status has been trigger on this uplink.
865 865  
... ... @@ -870,6 +870,7 @@
870 870  00000101: Means both DI1 and DI2 trigger are enabled.
871 871  
872 872  
733 +
873 873  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
874 874  
875 875  Downlink command to poll MOD6 status:
... ... @@ -879,6 +879,7 @@
879 879  When device got this command, it will send the MOD6 payload.
880 880  
881 881  
743 +
882 882  === 3.3.7 Payload Decoder ===
883 883  
884 884  (((
... ... @@ -888,6 +888,7 @@
888 888  )))
889 889  
890 890  
753 +
891 891  == 3.4 ​Configure LT via AT or Downlink ==
892 892  
893 893  
... ... @@ -913,8 +913,10 @@
913 913  )))
914 914  
915 915  
779 +
916 916  === 3.4.2 Sensor related commands ===
917 917  
782 +
918 918  ==== 3.4.2.1 Set Transmit Interval ====
919 919  
920 920  
... ... @@ -990,6 +990,7 @@
990 990  
991 991  
992 992  
858 +
993 993  ==== 3.4.2.5 Poll trigger settings ====
994 994  
995 995  
... ... @@ -1072,7 +1072,7 @@
1072 1072  
1073 1073  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1074 1074  
1075 -(% 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)
1076 1076  
1077 1077  
1078 1078  
... ... @@ -1147,14 +1147,9 @@
1147 1147  
1148 1148  (((
1149 1149  01: Low,  00: High ,  11: No action
1150 -
1151 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1152 -|(% 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**
1153 -|02  01  00  11|Low|High|No Action
1154 -|02  00  11  01|High|No Action|Low
1155 -|02  11  01  00|No Action|Low|High
1156 1156  )))
1157 1157  
1018 +[[image:image-20220524092754-5.png]]
1158 1158  
1159 1159  (((
1160 1160  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1192,38 +1192,23 @@
1192 1192  
1193 1193  (% style="color:#4f81bd" %)**Third 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|DO1 set to low
1198 -|0x00|DO1 set to high
1199 -|0x11|DO1 NO Action
1056 +[[image:image-20220524093238-6.png]]
1200 1200  
1058 +
1201 1201  (% style="color:#4f81bd" %)**Fourth 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|DO2 set to low
1206 -|0x00|DO2 set to high
1207 -|0x11|DO2 NO Action
1061 +[[image:image-20220524093328-7.png]]
1208 1208  
1063 +
1209 1209  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1210 1210  
1211 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1212 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1213 -|0x01|DO3 set to low
1214 -|0x00|DO3 set to high
1215 -|0x11|DO3 NO Action
1066 +[[image:image-20220524093351-8.png]]
1216 1216  
1217 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1218 1218  
1069 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1219 1219  
1220 -(% style="color:red" %)**Note: **
1071 + Latching time. Unit: ms
1221 1221  
1222 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1223 -
1224 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1225 -
1226 -
1227 1227  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1228 1228  
1229 1229  
... ... @@ -1247,7 +1247,7 @@
1247 1247  
1248 1248  
1249 1249  
1250 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1096 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1251 1251  
1252 1252  
1253 1253  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1266,21 +1266,10 @@
1266 1266  
1267 1267  (((
1268 1268  01: Close ,  00: Open , 11: No action
1269 -
1270 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1271 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1272 -|03  00  11|Open|No Action
1273 -|03  01  11|Close|No Action
1274 -|03  11  00|No Action|Open
1275 -|03  11  01|No Action|Close
1276 -|03  00  00|Open|Open
1277 -|03  01  01|Close|Close
1278 -|03  01  00|Close|Open
1279 -|03  00  01|Open|Close
1280 1280  )))
1281 1281  
1282 1282  (((
1283 -
1118 +[[image:image-20220524093724-9.png]]
1284 1284  )))
1285 1285  
1286 1286  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1287,6 +1287,7 @@
1287 1287  
1288 1288  
1289 1289  
1125 +
1290 1290  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1291 1291  
1292 1292  
... ... @@ -1318,20 +1318,12 @@
1318 1318  
1319 1319  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1320 1320  
1321 -
1322 -(% style="color:red" %)**Note:**
1323 -
1324 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1325 -
1326 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1327 -
1328 -
1329 1329  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1330 1330  
1331 1331  
1332 1332  **Example payload:**
1333 1333  
1334 -**~1. 05 01 11 07 D0**
1162 +**~1. 05 01 11 07 D**
1335 1335  
1336 1336  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1337 1337  
... ... @@ -1466,6 +1466,7 @@
1466 1466  
1467 1467  
1468 1468  
1297 +
1469 1469  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1470 1470  
1471 1471  
... ... @@ -1482,6 +1482,7 @@
1482 1482  
1483 1483  
1484 1484  
1314 +
1485 1485  ==== 3.4.2.25 Copy downlink to uplink ====
1486 1486  
1487 1487  
... ... @@ -1520,6 +1520,7 @@
1520 1520  [[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"]]
1521 1521  
1522 1522  
1353 +
1523 1523  == 3.5 Integrate with Mydevice ==
1524 1524  
1525 1525  
... ... @@ -1544,7 +1544,7 @@
1544 1544  
1545 1545  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1546 1546  
1547 -(% 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" %)
1548 1548  
1549 1549  Search under The things network
1550 1550  
... ... @@ -1569,8 +1569,10 @@
1569 1569  [[image:image-20220524094909-5.png||height="341" width="734"]]
1570 1570  
1571 1571  
1403 +
1572 1572  == 3.6 Interface Detail ==
1573 1573  
1406 +
1574 1574  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1575 1575  
1576 1576  
... ... @@ -1579,6 +1579,7 @@
1579 1579  [[image:1653356991268-289.png]]
1580 1580  
1581 1581  
1415 +
1582 1582  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1583 1583  
1584 1584  
... ... @@ -1635,6 +1635,8 @@
1635 1635  
1636 1636  (((
1637 1637  
1472 +
1473 +
1638 1638  )))
1639 1639  
1640 1640  (((
... ... @@ -1666,6 +1666,8 @@
1666 1666  
1667 1667  (((
1668 1668  
1505 +
1506 +
1669 1669  )))
1670 1670  
1671 1671  (((
... ... @@ -1696,16 +1696,18 @@
1696 1696  )))
1697 1697  
1698 1698  
1537 +
1699 1699  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1700 1700  
1701 1701  
1702 -(% 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.
1703 1703  
1704 -(% 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.
1705 1705  
1706 1706  [[image:1653357531600-905.png]]
1707 1707  
1708 1708  
1548 +
1709 1709  === 3.6.4 Analog Input Interface ===
1710 1710  
1711 1711  
... ... @@ -1723,12 +1723,13 @@
1723 1723  
1724 1724  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1725 1725  
1726 -(% style="color:red" %)**Red:  12~~24v**
1566 +**Red:  12~~24v**
1727 1727  
1728 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1568 +**Yellow:  4~~20mA**
1729 1729  
1730 1730  **Black:  GND**
1731 1731  
1572 +
1732 1732  **Connection diagram:**
1733 1733  
1734 1734  [[image:1653357640609-758.png]]
... ... @@ -1736,22 +1736,7 @@
1736 1736  [[image:1653357648330-671.png||height="155" width="733"]]
1737 1737  
1738 1738  
1739 -Example connected to a regulated power supply to measure voltage
1740 1740  
1741 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1742 -
1743 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1744 -
1745 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1746 -
1747 -
1748 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1749 -
1750 -(% style="color:red" %)**Red:  12~~24v**
1751 -
1752 -**Black:  GND**
1753 -
1754 -
1755 1755  === 3.6.5 Relay Output ===
1756 1756  
1757 1757  
... ... @@ -1767,46 +1767,17 @@
1767 1767  [[image:image-20220524100215-10.png||height="382" width="723"]]
1768 1768  
1769 1769  
1596 +
1770 1770  == 3.7 LEDs Indicators ==
1771 1771  
1772 1772  
1773 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1774 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1775 -|**PWR**|Always on if there is power
1776 -|**SYS**|(((
1777 -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.
1778 -)))
1779 -|**TX**|(((
1780 -(((
1781 -Device boot: TX blinks 5 times.
1782 -)))
1600 +[[image:image-20220524100748-11.png]]
1783 1783  
1784 -(((
1785 -Successful join network: TX ON for 5 seconds.
1786 -)))
1787 1787  
1788 -(((
1789 -Transmit a LoRa packet: TX blinks once
1790 -)))
1791 -)))
1792 -|**RX**|RX blinks once when receive a packet.
1793 -|**DO1**|
1794 -|**DO2**|
1795 -|**DO3**|
1796 -|**DI2**|(((
1797 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1798 -)))
1799 -|**DI2**|(((
1800 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1801 -)))
1802 -|**DI2**|(((
1803 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1804 -)))
1805 -|**RO1**|
1806 -|**RO2**|
1807 1807  
1808 1808  = 4. Use AT Command =
1809 1809  
1606 +
1810 1810  == 4.1 Access AT Command ==
1811 1811  
1812 1812  
... ... @@ -2017,8 +2017,10 @@
2017 2017  )))
2018 2018  
2019 2019  
1817 +
2020 2020  == 4.2 Common AT Command Sequence ==
2021 2021  
1820 +
2022 2022  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
2023 2023  
2024 2024  (((
... ... @@ -2063,6 +2063,7 @@
2063 2063  )))
2064 2064  
2065 2065  
1865 +
2066 2066  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
2067 2067  
2068 2068  (((
... ... @@ -2135,7 +2135,7 @@
2135 2135  **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?
2136 2136  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2137 2137  
2138 -**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**
2139 2139  
2140 2140  
2141 2141  )))
... ... @@ -2148,6 +2148,7 @@
2148 2148  
2149 2149  )))
2150 2150  
1951 +
2151 2151  === 4.2.3 Change to Class A ===
2152 2152  
2153 2153  
... ... @@ -2159,19 +2159,13 @@
2159 2159  )))
2160 2160  
2161 2161  
2162 -= 5. Case Study =
2163 2163  
2164 -== 5.1 Counting how many objects pass in Flow Line ==
1964 += 5. FAQ =
2165 2165  
2166 2166  
2167 -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? ==
2168 2168  
2169 2169  
2170 -= 6. FAQ =
2171 -
2172 -== 6.1 How to upgrade the image? ==
2173 -
2174 -
2175 2175  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2176 2176  
2177 2177  * Support new features
... ... @@ -2199,10 +2199,8 @@
2199 2199  
2200 2200   [[image:image-20220524103407-12.png]]
2201 2201  
2202 -
2203 2203  [[image:image-20220524103429-13.png]]
2204 2204  
2205 -
2206 2206  [[image:image-20220524104033-15.png]]
2207 2207  
2208 2208  
... ... @@ -2214,8 +2214,10 @@
2214 2214  
2215 2215  (((
2216 2216  (((
2217 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2010 +
2218 2218  
2012 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2013 +
2219 2219  
2220 2220  )))
2221 2221  )))
... ... @@ -2227,8 +2227,9 @@
2227 2227  (((
2228 2228  
2229 2229  
2230 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2231 2231  
2026 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2027 +
2232 2232  
2233 2233  )))
2234 2234  
... ... @@ -2290,29 +2290,26 @@
2290 2290  [[image:1653360498588-932.png||height="485" width="726"]]
2291 2291  
2292 2292  
2293 -== 6.4 How to change the uplink interval？ ==
2294 2294  
2090 +== 5.4 Can I see counting event in Serial? ==
2295 2295  
2296 -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/]]
2297 2297  
2298 -
2299 -== 6.5 Can I see counting event in Serial? ==
2300 -
2301 -
2302 2302  (((
2303 2303  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.
2304 2304  
2305 2305  
2306 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2307 2307  
2098 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2308 2308  
2100 +
2309 2309  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]].
2310 2310  
2103 +
2311 2311  
2312 2312  )))
2313 2313  
2314 2314  (((
2315 -== 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? ==
2316 2316  
2317 2317  
2318 2318  If the device is not shut down, but directly powered off.
... ... @@ -2324,9 +2324,10 @@
2324 2324  After restart, the status before power failure will be read from flash.
2325 2325  
2326 2326  
2327 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2328 2328  
2121 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2329 2329  
2123 +
2330 2330  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2331 2331  
2332 2332  
... ... @@ -2333,18 +2333,21 @@
2333 2333  [[image:image-20221006170630-1.png||height="610" width="945"]]
2334 2334  
2335 2335  
2336 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 5.8 Can LT22222-L save RO state? ==
2337 2337  
2338 2338  
2339 2339  Firmware version needs to be no less than 1.6.0.
2340 2340  
2341 2341  
2342 -= 7. Trouble Shooting =
2136 +
2137 += 6. Trouble Shooting =
2138 +
2139 +
2343 2343  )))
2344 2344  
2345 2345  (((
2346 2346  (((
2347 -== 7.1 Downlink doesn't work, how to solve it? ==
2144 +== 6.1 Downlink doesn't work, how to solve it? ==
2348 2348  
2349 2349  
2350 2350  )))
... ... @@ -2357,8 +2357,9 @@
2357 2357  (((
2358 2358  
2359 2359  
2360 -== 7.2 Have trouble to upload image. ==
2361 2361  
2158 +== 6.2 Have trouble to upload image. ==
2159 +
2362 2362  
2363 2363  )))
2364 2364  
... ... @@ -2369,8 +2369,9 @@
2369 2369  (((
2370 2370  
2371 2371  
2372 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2373 2373  
2171 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2172 +
2374 2374  
2375 2375  )))
2376 2376  
... ... @@ -2379,9 +2379,10 @@
2379 2379  )))
2380 2380  
2381 2381  
2382 -= 8. Order Info =
2383 2383  
2182 += 7. Order Info =
2384 2384  
2184 +
2385 2385  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2386 2386  
2387 2387  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2396,7 +2396,7 @@
2396 2396  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2397 2397  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2398 2398  
2399 -= 9. Packing Info =
2199 += 8. Packing Info =
2400 2400  
2401 2401  
2402 2402  **Package Includes**:
... ... @@ -2413,7 +2413,7 @@
2413 2413  * Package Size / pcs : 14.5 x 8 x 5 cm
2414 2414  * Weight / pcs : 170g
2415 2415  
2416 -= 10. Support =
2216 += 9. Support =
2417 2417  
2418 2418  
2419 2419  * (((
... ... @@ -2420,13 +2420,13 @@
2420 2420  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.
2421 2421  )))
2422 2422  * (((
2423 -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]]
2424 2424  
2425 2425  
2426 2426  
2427 2427  )))
2428 2428  
2429 -= 11. Reference​​​​​ =
2229 += 10. Reference​​​​​ =
2430 2430  
2431 2431  
2432 2432  * 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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