Skip to Content
Last modified by Mengting Qiu on 2025/06/04 18:42
From version 122.1
edited by Bei Jinggeng
on 2023/06/08 10:19
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.Bei
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  
... ... @@ -176,45 +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 -
193 193  == 1.4  Applications ==
194 194  
195 195  
196 196  * Smart Buildings & Home Automation
197 -
198 198  * Logistics and Supply Chain Management
199 -
200 200  * Smart Metering
201 -
202 202  * Smart Agriculture
203 -
204 204  * Smart Cities
205 -
206 206  * Smart Factory
207 207  
208 -
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
212 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
213 -|(% 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**
214 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215 -(% style="text-align:center" %)
216 -[[image:image-20230424115112-1.png||height="106" width="58"]]
217 -)))|(% 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" %)(((
218 218  * 2 x Digital Input (Bi-direction)
219 219  * 2 x Digital Output
220 220  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -223,7 +223,6 @@
223 223  * 1 x Counting Port
224 224  )))
225 225  
226 -
227 227  = 2. Power ON Device =
228 228  
229 229  
... ... @@ -240,8 +240,10 @@
240 240  [[image:1653297104069-180.png]]
241 241  
242 242  
229 +
243 243  = 3. Operation Mode =
244 244  
232 +
245 245  == 3.1 How it works? ==
246 246  
247 247  
... ... @@ -254,6 +254,7 @@
254 254  )))
255 255  
256 256  
245 +
257 257  == 3.2 Example to join LoRaWAN network ==
258 258  
259 259  
... ... @@ -280,7 +280,7 @@
280 280  Each LT is shipped with a sticker with the default device EUI as below:
281 281  )))
282 282  
283 -[[image:image-20230425173427-2.png||height="246" width="530"]]
272 +[[image:1653297924498-393.png]]
284 284  
285 285  
286 286  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -305,6 +305,7 @@
305 305  [[image:1653298044601-602.png||height="405" width="709"]]
306 306  
307 307  
297 +
308 308  == 3.3 Uplink Payload ==
309 309  
310 310  
... ... @@ -317,42 +317,22 @@
317 317  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
318 318  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
319 319  
320 -
321 321  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
322 322  
323 323  
324 324  (((
325 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
326 -
327 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
328 -|**Size(bytes)(% style="display:none" %) (%%)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
329 -|Value|(((
330 -AVI1
331 -voltage
332 -)))|(((
333 -AVI2
334 -voltage
335 -)))|(((
336 -ACI1
337 -Current
338 -)))|(((
339 -ACI2
340 -Current
341 -)))|DIDORO*|(((
342 -Reserve
343 -)))|MOD
314 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
344 344  )))
345 345  
317 +[[image:image-20220523174024-3.png]]
318 +
346 346  (((
347 347  
348 348  
349 349  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
350 -
351 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
352 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
353 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
354 354  )))
355 355  
325 +[[image:image-20220523174254-4.png]]
356 356  
357 357  * RO is for relay. ROx=1 : close，ROx=0 always open.
358 358  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -393,7 +393,6 @@
393 393  ** DO1 is high in case there is load between DO1 and V+.
394 394  ** DO1 LED is off in both case
395 395  
396 -
397 397  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
398 398  
399 399  
... ... @@ -403,28 +403,18 @@
403 403  
404 404  (((
405 405  Total : 11 bytes payload
375 +)))
406 406  
407 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
408 -|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
409 -|Value|COUNT1|COUNT2 |DIDORO*|(((
410 -Reserve
377 +[[image:image-20220523180452-3.png]]
411 411  
412 -
413 -)))|MOD
414 -)))
415 415  
416 416  (((
417 -
418 -
419 419  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
420 -
421 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
422 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
423 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
424 -
425 -RO is for relay. ROx=1 : close，ROx=0 always open.
426 426  )))
427 427  
384 +[[image:image-20220523180506-4.png]]
385 +
386 +* RO is for relay. ROx=1 : close，ROx=0 always open.
428 428  * FIRST: Indicate this is the first packet after join network.
429 429  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
430 430  
... ... @@ -477,29 +477,21 @@
477 477  )))
478 478  
479 479  
439 +
480 480  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
481 481  
482 482  
483 483  **LT22222-L**: This mode the DI1 is used as a counting pin.
484 484  
485 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
486 -|**Size(bytes)**|**4**|**2**|**2**|**1**|**1**|**1**
487 -|Value|COUNT1|(((
488 -ACI1 Current
489 -)))|(((
490 -ACI2 Current
491 -)))|DIDORO*|Reserve|MOD
445 +[[image:image-20220523181246-5.png]]
492 492  
493 493  (((
494 494  
495 495  
496 496  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
497 -
498 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
499 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
500 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
501 501  )))
502 502  
453 +[[image:image-20220523181301-6.png]]
503 503  
504 504  * RO is for relay. ROx=1 : close，ROx=0 always open.
505 505  * FIRST: Indicate this is the first packet after join network.
... ... @@ -532,6 +532,7 @@
532 532  )))
533 533  
534 534  
486 +
535 535  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
536 536  
537 537  
... ... @@ -541,25 +541,16 @@
541 541  
542 542  (((
543 543  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.
544 -
545 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
546 -|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
547 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
548 -Reserve
549 -
550 -
551 -)))|MOD
552 552  )))
553 553  
498 +[[image:image-20220523181903-8.png]]
554 554  
500 +
555 555  (((
556 556  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
557 -
558 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
559 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
560 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
561 561  )))
562 562  
505 +[[image:image-20220523181727-7.png]]
563 563  
564 564  * RO is for relay. ROx=1 : close，ROx=0 always open.
565 565  * FIRST: Indicate this is the first packet after join network.
... ... @@ -609,34 +609,18 @@
609 609  )))
610 610  
611 611  
555 +
612 612  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
613 613  
614 614  
615 615  **LT22222-L**: This mode the DI1 is used as a counting pin.
616 616  
617 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
618 -|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
619 -|Value|(((
620 -AVI1
621 -voltage
622 -)))|(((
623 -AVI2
624 -voltage
625 -)))|(((
626 -ACI1
627 -Current
628 -)))|COUNT1|DIDORO*|(((
629 -Reserve
630 -)))|MOD
561 +[[image:image-20220523182334-9.png]]
631 631  
632 632  (((
633 633  
634 634  
635 635  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
636 -
637 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
638 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
639 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
640 640  )))
641 641  
642 642  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -673,6 +673,7 @@
673 673  )))
674 674  
675 675  
603 +
676 676  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
677 677  
678 678  
... ... @@ -727,6 +727,7 @@
727 727  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
728 728  
729 729  
658 +
730 730  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
731 731  
732 732  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -761,51 +761,12 @@
761 761  
762 762  MOD6 Payload : total 11 bytes payload
763 763  
764 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
765 -|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
766 -|Value|(((
767 -TRI_A
768 -FLAG
769 -)))|(((
770 -TRI_A
771 -Status
772 -)))|(((
773 -TRI_DI
774 -FLAG+STA
775 -)))|Reserve|Enable/Disable MOD6|(((
776 -MOD
777 -(6)
778 -)))
693 +[[image:image-20220524085923-1.png]]
779 779  
695 +
780 780  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
781 781  
782 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
783 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
784 -|(((
785 -AV1_
786 -LOW
787 -)))|(((
788 -AV1_
789 -HIGH
790 -)))|(((
791 -AV2_
792 -LOW
793 -)))|(((
794 -AV2_
795 -HIGH
796 -)))|(((
797 -AC1_
798 -LOW
799 -)))|(((
800 -AC1_
801 -HIGH
802 -)))|(((
803 -AC2_
804 -LOW
805 -)))|(((
806 -AC2_
807 -HIGH
808 -)))
698 +[[image:image-20220524090106-2.png]]
809 809  
810 810  * Each bits shows if the corresponding trigger has been configured.
811 811  
... ... @@ -814,35 +814,10 @@
814 814  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
815 815  
816 816  
707 +
817 817  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
818 818  
819 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
820 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
821 -|(((
822 -AV1_
823 -LOW
824 -)))|(((
825 -AV1_
826 -HIGH
827 -)))|(((
828 -AV2_
829 -LOW
830 -)))|(((
831 -AV2_
832 -HIGH
833 -)))|(((
834 -AC1_
835 -LOW
836 -)))|(((
837 -AC1_
838 -HIGH
839 -)))|(((
840 -AC2_
841 -LOW
842 -)))|(((
843 -AC2_
844 -HIGH
845 -)))
710 +[[image:image-20220524090249-3.png]]
846 846  
847 847  * Each bits shows which status has been trigger on this uplink.
848 848  
... ... @@ -851,11 +851,10 @@
851 851  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
852 852  
853 853  
719 +
854 854  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
855 855  
856 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
857 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
858 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
722 +[[image:image-20220524090456-4.png]]
859 859  
860 860  * Each bits shows which status has been trigger on this uplink.
861 861  
... ... @@ -866,6 +866,7 @@
866 866  00000101: Means both DI1 and DI2 trigger are enabled.
867 867  
868 868  
733 +
869 869  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
870 870  
871 871  Downlink command to poll MOD6 status:
... ... @@ -875,6 +875,7 @@
875 875  When device got this command, it will send the MOD6 payload.
876 876  
877 877  
743 +
878 878  === 3.3.7 Payload Decoder ===
879 879  
880 880  (((
... ... @@ -884,6 +884,7 @@
884 884  )))
885 885  
886 886  
753 +
887 887  == 3.4 ​Configure LT via AT or Downlink ==
888 888  
889 889  
... ... @@ -901,7 +901,6 @@
901 901  
902 902  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
903 903  
904 -
905 905  === 3.4.1 Common Commands ===
906 906  
907 907  
... ... @@ -910,8 +910,10 @@
910 910  )))
911 911  
912 912  
779 +
913 913  === 3.4.2 Sensor related commands ===
914 914  
782 +
915 915  ==== 3.4.2.1 Set Transmit Interval ====
916 916  
917 917  
... ... @@ -987,6 +987,7 @@
987 987  
988 988  
989 989  
858 +
990 990  ==== 3.4.2.5 Poll trigger settings ====
991 991  
992 992  
... ... @@ -1069,7 +1069,7 @@
1069 1069  
1070 1070  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1071 1071  
1072 -(% 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)
1073 1073  
1074 1074  
1075 1075  
... ... @@ -1144,14 +1144,9 @@
1144 1144  
1145 1145  (((
1146 1146  01: Low,  00: High ,  11: No action
1147 -
1148 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1149 -|(% 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**
1150 -|02  01  00  11|Low|High|No Action
1151 -|02  00  11  01|High|No Action|Low
1152 -|02  11  01  00|No Action|Low|High
1153 1153  )))
1154 1154  
1018 +[[image:image-20220524092754-5.png]]
1155 1155  
1156 1156  (((
1157 1157  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1189,38 +1189,23 @@
1189 1189  
1190 1190  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1191 1191  
1192 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1193 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1194 -|0x01|DO1 set to low
1195 -|0x00|DO1 set to high
1196 -|0x11|DO1 NO Action
1056 +[[image:image-20220524093238-6.png]]
1197 1197  
1058 +
1198 1198  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1199 1199  
1200 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1201 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1202 -|0x01|DO2 set to low
1203 -|0x00|DO2 set to high
1204 -|0x11|DO2 NO Action
1061 +[[image:image-20220524093328-7.png]]
1205 1205  
1063 +
1206 1206  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1207 1207  
1208 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1209 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1210 -|0x01|DO3 set to low
1211 -|0x00|DO3 set to high
1212 -|0x11|DO3 NO Action
1066 +[[image:image-20220524093351-8.png]]
1213 1213  
1214 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1215 1215  
1069 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1216 1216  
1217 -(% style="color:red" %)**Note: **
1071 + Latching time. Unit: ms
1218 1218  
1219 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1220 -
1221 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1222 -
1223 -
1224 1224  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1225 1225  
1226 1226  
... ... @@ -1244,7 +1244,7 @@
1244 1244  
1245 1245  
1246 1246  
1247 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1096 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1248 1248  
1249 1249  
1250 1250  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1263,21 +1263,10 @@
1263 1263  
1264 1264  (((
1265 1265  01: Close ,  00: Open , 11: No action
1266 -
1267 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1268 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1269 -|03  00  11|Open|No Action
1270 -|03  01  11|Close|No Action
1271 -|03  11  00|No Action|Open
1272 -|03  11  01|No Action|Close
1273 -|03  00  00|Open|Open
1274 -|03  01  01|Close|Close
1275 -|03  01  00|Close|Open
1276 -|03  00  01|Open|Close
1277 1277  )))
1278 1278  
1279 1279  (((
1280 -
1118 +[[image:image-20220524093724-9.png]]
1281 1281  )))
1282 1282  
1283 1283  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1284,6 +1284,7 @@
1284 1284  
1285 1285  
1286 1286  
1125 +
1287 1287  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1288 1288  
1289 1289  
... ... @@ -1315,20 +1315,12 @@
1315 1315  
1316 1316  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1317 1317  
1318 -
1319 -(% style="color:red" %)**Note:**
1320 -
1321 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1322 -
1323 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1324 -
1325 -
1326 1326  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1327 1327  
1328 1328  
1329 1329  **Example payload:**
1330 1330  
1331 -**~1. 05 01 11 07 D0**
1162 +**~1. 05 01 11 07 D**
1332 1332  
1333 1333  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1334 1334  
... ... @@ -1463,6 +1463,7 @@
1463 1463  
1464 1464  
1465 1465  
1297 +
1466 1466  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1467 1467  
1468 1468  
... ... @@ -1479,6 +1479,7 @@
1479 1479  
1480 1480  
1481 1481  
1314 +
1482 1482  ==== 3.4.2.25 Copy downlink to uplink ====
1483 1483  
1484 1484  
... ... @@ -1517,6 +1517,7 @@
1517 1517  [[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"]]
1518 1518  
1519 1519  
1353 +
1520 1520  == 3.5 Integrate with Mydevice ==
1521 1521  
1522 1522  
... ... @@ -1541,7 +1541,7 @@
1541 1541  
1542 1542  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1543 1543  
1544 -(% 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" %)
1545 1545  
1546 1546  Search under The things network
1547 1547  
... ... @@ -1566,8 +1566,10 @@
1566 1566  [[image:image-20220524094909-5.png||height="341" width="734"]]
1567 1567  
1568 1568  
1403 +
1569 1569  == 3.6 Interface Detail ==
1570 1570  
1406 +
1571 1571  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1572 1572  
1573 1573  
... ... @@ -1576,6 +1576,7 @@
1576 1576  [[image:1653356991268-289.png]]
1577 1577  
1578 1578  
1415 +
1579 1579  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1580 1580  
1581 1581  
... ... @@ -1632,6 +1632,8 @@
1632 1632  
1633 1633  (((
1634 1634  
1472 +
1473 +
1635 1635  )))
1636 1636  
1637 1637  (((
... ... @@ -1663,6 +1663,8 @@
1663 1663  
1664 1664  (((
1665 1665  
1505 +
1506 +
1666 1666  )))
1667 1667  
1668 1668  (((
... ... @@ -1693,16 +1693,18 @@
1693 1693  )))
1694 1694  
1695 1695  
1537 +
1696 1696  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1697 1697  
1698 1698  
1699 -(% 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.
1700 1700  
1701 -(% 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.
1702 1702  
1703 1703  [[image:1653357531600-905.png]]
1704 1704  
1705 1705  
1548 +
1706 1706  === 3.6.4 Analog Input Interface ===
1707 1707  
1708 1708  
... ... @@ -1720,12 +1720,13 @@
1720 1720  
1721 1721  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1722 1722  
1723 -(% style="color:red" %)**Red:  12~~24v**
1566 +**Red:  12~~24v**
1724 1724  
1725 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1568 +**Yellow:  4~~20mA**
1726 1726  
1727 1727  **Black:  GND**
1728 1728  
1572 +
1729 1729  **Connection diagram:**
1730 1730  
1731 1731  [[image:1653357640609-758.png]]
... ... @@ -1733,22 +1733,7 @@
1733 1733  [[image:1653357648330-671.png||height="155" width="733"]]
1734 1734  
1735 1735  
1736 -Example connected to a regulated power supply to measure voltage
1737 1737  
1738 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1739 -
1740 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1741 -
1742 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1743 -
1744 -
1745 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1746 -
1747 -(% style="color:red" %)**Red:  12~~24v**
1748 -
1749 -**Black:  GND**
1750 -
1751 -
1752 1752  === 3.6.5 Relay Output ===
1753 1753  
1754 1754  
... ... @@ -1764,47 +1764,17 @@
1764 1764  [[image:image-20220524100215-10.png||height="382" width="723"]]
1765 1765  
1766 1766  
1596 +
1767 1767  == 3.7 LEDs Indicators ==
1768 1768  
1769 1769  
1770 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1771 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1772 -|**PWR**|Always on if there is power
1773 -|**SYS**|(((
1774 -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.
1775 -)))
1776 -|**TX**|(((
1777 -(((
1778 -Device boot: TX blinks 5 times.
1779 -)))
1600 +[[image:image-20220524100748-11.png]]
1780 1780  
1781 -(((
1782 -Successful join network: TX ON for 5 seconds.
1783 -)))
1784 1784  
1785 -(((
1786 -Transmit a LoRa packet: TX blinks once
1787 -)))
1788 -)))
1789 -|**RX**|RX blinks once when receive a packet.
1790 -|**DO1**|
1791 -|**DO2**|
1792 -|**DO3**|
1793 -|**DI2**|(((
1794 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1795 -)))
1796 -|**DI2**|(((
1797 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1798 -)))
1799 -|**DI2**|(((
1800 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1801 -)))
1802 -|**RO1**|
1803 -|**RO2**|
1804 1804  
1805 -
1806 1806  = 4. Use AT Command =
1807 1807  
1606 +
1808 1808  == 4.1 Access AT Command ==
1809 1809  
1810 1810  
... ... @@ -2015,8 +2015,10 @@
2015 2015  )))
2016 2016  
2017 2017  
1817 +
2018 2018  == 4.2 Common AT Command Sequence ==
2019 2019  
1820 +
2020 2020  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
2021 2021  
2022 2022  (((
... ... @@ -2061,6 +2061,7 @@
2061 2061  )))
2062 2062  
2063 2063  
1865 +
2064 2064  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
2065 2065  
2066 2066  (((
... ... @@ -2133,7 +2133,7 @@
2133 2133  **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?
2134 2134  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2135 2135  
2136 -**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**
2137 2137  
2138 2138  
2139 2139  )))
... ... @@ -2146,6 +2146,7 @@
2146 2146  
2147 2147  )))
2148 2148  
1951 +
2149 2149  === 4.2.3 Change to Class A ===
2150 2150  
2151 2151  
... ... @@ -2157,19 +2157,13 @@
2157 2157  )))
2158 2158  
2159 2159  
2160 -= 5. Case Study =
2161 2161  
2162 -== 5.1 Counting how many objects pass in Flow Line ==
1964 += 5. FAQ =
2163 2163  
2164 2164  
2165 -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? ==
2166 2166  
2167 2167  
2168 -= 6. FAQ =
2169 -
2170 -== 6.1 How to upgrade the image? ==
2171 -
2172 -
2173 2173  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2174 2174  
2175 2175  * Support new features
... ... @@ -2197,10 +2197,8 @@
2197 2197  
2198 2198   [[image:image-20220524103407-12.png]]
2199 2199  
2200 -
2201 2201  [[image:image-20220524103429-13.png]]
2202 2202  
2203 -
2204 2204  [[image:image-20220524104033-15.png]]
2205 2205  
2206 2206  
... ... @@ -2212,8 +2212,10 @@
2212 2212  
2213 2213  (((
2214 2214  (((
2215 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2010 +
2216 2216  
2012 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2013 +
2217 2217  
2218 2218  )))
2219 2219  )))
... ... @@ -2225,8 +2225,9 @@
2225 2225  (((
2226 2226  
2227 2227  
2228 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2229 2229  
2026 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2027 +
2230 2230  
2231 2231  )))
2232 2232  
... ... @@ -2288,29 +2288,26 @@
2288 2288  [[image:1653360498588-932.png||height="485" width="726"]]
2289 2289  
2290 2290  
2291 -== 6.4 How to change the uplink interval？ ==
2292 2292  
2090 +== 5.4 Can I see counting event in Serial? ==
2293 2293  
2294 -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/]]
2295 2295  
2296 -
2297 -== 6.5 Can I see counting event in Serial? ==
2298 -
2299 -
2300 2300  (((
2301 2301  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.
2302 2302  
2303 2303  
2304 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2305 2305  
2098 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2306 2306  
2100 +
2307 2307  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]].
2308 2308  
2103 +
2309 2309  
2310 2310  )))
2311 2311  
2312 2312  (((
2313 -== 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? ==
2314 2314  
2315 2315  
2316 2316  If the device is not shut down, but directly powered off.
... ... @@ -2322,9 +2322,10 @@
2322 2322  After restart, the status before power failure will be read from flash.
2323 2323  
2324 2324  
2325 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2326 2326  
2121 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2327 2327  
2123 +
2328 2328  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2329 2329  
2330 2330  
... ... @@ -2331,18 +2331,21 @@
2331 2331  [[image:image-20221006170630-1.png||height="610" width="945"]]
2332 2332  
2333 2333  
2334 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 5.8 Can LT22222-L save RO state? ==
2335 2335  
2336 2336  
2337 2337  Firmware version needs to be no less than 1.6.0.
2338 2338  
2339 2339  
2340 -= 7. Trouble Shooting =
2136 +
2137 += 6. Trouble Shooting =
2138 +
2139 +
2341 2341  )))
2342 2342  
2343 2343  (((
2344 2344  (((
2345 -== 7.1 Downlink doesn't work, how to solve it? ==
2144 +== 6.1 Downlink doesn't work, how to solve it? ==
2346 2346  
2347 2347  
2348 2348  )))
... ... @@ -2355,8 +2355,9 @@
2355 2355  (((
2356 2356  
2357 2357  
2358 -== 7.2 Have trouble to upload image. ==
2359 2359  
2158 +== 6.2 Have trouble to upload image. ==
2159 +
2360 2360  
2361 2361  )))
2362 2362  
... ... @@ -2367,8 +2367,9 @@
2367 2367  (((
2368 2368  
2369 2369  
2370 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2371 2371  
2171 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2172 +
2372 2372  
2373 2373  )))
2374 2374  
... ... @@ -2377,9 +2377,10 @@
2377 2377  )))
2378 2378  
2379 2379  
2380 -= 8. Order Info =
2381 2381  
2182 += 7. Order Info =
2382 2382  
2184 +
2383 2383  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2384 2384  
2385 2385  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2394,10 +2394,9 @@
2394 2394  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2395 2395  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2396 2396  
2199 += 8. Packing Info =
2397 2397  
2398 -= 9. Packing Info =
2399 2399  
2400 -
2401 2401  **Package Includes**:
2402 2402  
2403 2403  * LT-22222-L I/O Controller x 1
... ... @@ -2412,21 +2412,20 @@
2412 2412  * Package Size / pcs : 14.5 x 8 x 5 cm
2413 2413  * Weight / pcs : 170g
2414 2414  
2216 += 9. Support =
2415 2415  
2416 -= 10. Support =
2417 2417  
2418 -
2419 2419  * (((
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]]
image-20230424115112-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -27.1 KB
Content
image-20230425173351-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -207.8 KB
Content
image-20230425173427-2.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -150.1 KB
Content
image-20230426161322-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -15.2 KB
Content
image-20230608101532-1.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -563.0 KB
Content
image-20230608101608-2.jpeg
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -287.8 KB
Content
image-20230608101722-3.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Bei
Size
... ... @@ -1,1 +1,0 @@
1 -25.4 KB
Content