Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.5 >
edited by Xiaoling
on 2023/05/17 10:51
To version < 101.4 >
edited by Xiaoling
on 2022/10/25 15:24
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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  (((
... ... @@ -62,7 +62,7 @@
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
67 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -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  
... ... @@ -176,43 +176,33 @@
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  
189 +
190 +
192 192  == 1.4  Applications ==
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
201 +
202 +
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 -|(% 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**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% style="width:334px" %)(((
206 +(% border="1" style="background-color:#f7faff; width:500px" %)
207 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
208 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -221,6 +221,8 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
217 +
218 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -237,8 +237,10 @@
237 237  [[image:1653297104069-180.png]]
238 238  
239 239  
235 +
240 240  = 3. Operation Mode =
241 241  
238 +
242 242  == 3.1 How it works? ==
243 243  
244 244  
... ... @@ -251,6 +251,7 @@
251 251  )))
252 252  
253 253  
251 +
254 254  == 3.2 Example to join LoRaWAN network ==
255 255  
256 256  
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
278 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -302,6 +302,7 @@
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
303 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -314,42 +314,24 @@
314 314  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
315 315  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
316 316  
316 +
317 +
317 317  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 319  
320 320  (((
321 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
322 -
323 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
324 -|Size(bytes)(% style="display:none" %) |2|2|2|2|1|1|1
325 -|Value|(((
326 -AVI1
327 -voltage
328 -)))|(((
329 -AVI2
330 -voltage
331 -)))|(((
332 -ACI1
333 -Current
334 -)))|(((
335 -ACI2
336 -Current
337 -)))|DIDORO*|(((
338 -Reserve
339 -)))|MOD
322 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
340 340  )))
341 341  
325 +[[image:image-20220523174024-3.png]]
342 342  
343 343  (((
344 344  
345 345  
346 346  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347 -
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
349 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
351 351  )))
352 352  
333 +[[image:image-20220523174254-4.png]]
353 353  
354 354  * RO is for relay. ROx=1 : close，ROx=0 always open.
355 355  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -390,6 +390,8 @@
390 390  ** DO1 is high in case there is load between DO1 and V+.
391 391  ** DO1 LED is off in both case
392 392  
374 +
375 +
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
... ... @@ -399,28 +399,18 @@
399 399  
400 400  (((
401 401  Total : 11 bytes payload
385 +)))
402 402  
403 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
404 -|Size(bytes)|4|4|1|1|1
405 -|Value|COUNT1|COUNT2 |DIDORO*|(((
406 -Reserve
387 +[[image:image-20220523180452-3.png]]
407 407  
408 -
409 -)))|MOD
410 -)))
411 411  
412 412  (((
413 -
414 -
415 415  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
416 -
417 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
418 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
419 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
420 -
421 -RO is for relay. ROx=1 : close，ROx=0 always open.
422 422  )))
423 423  
394 +[[image:image-20220523180506-4.png]]
395 +
396 +* RO is for relay. ROx=1 : close，ROx=0 always open.
424 424  * FIRST: Indicate this is the first packet after join network.
425 425  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
426 426  
... ... @@ -473,19 +473,12 @@
473 473  )))
474 474  
475 475  
449 +
476 476  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
477 477  
478 478  
479 479  **LT22222-L**: This mode the DI1 is used as a counting pin.
480 480  
481 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
482 -|Size(bytes)|4|2|2|1|1|1
483 -|Value|COUNT1|(((
484 -ACI1 Current
485 -)))|(((
486 -ACI2 Current
487 -)))|DIDORO*|Reserve|MOD
488 -
489 489  [[image:image-20220523181246-5.png]]
490 490  
491 491  (((
... ... @@ -527,6 +527,7 @@
527 527  )))
528 528  
529 529  
496 +
530 530  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
531 531  
532 532  
... ... @@ -595,6 +595,7 @@
595 595  )))
596 596  
597 597  
565 +
598 598  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
599 599  
600 600  
... ... @@ -642,6 +642,7 @@
642 642  )))
643 643  
644 644  
613 +
645 645  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
646 646  
647 647  
... ... @@ -696,6 +696,7 @@
696 696  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
697 697  
698 698  
668 +
699 699  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
700 700  
701 701  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -756,6 +756,7 @@
756 756  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
757 757  
758 758  
729 +
759 759  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
760 760  
761 761  [[image:image-20220524090456-4.png]]
... ... @@ -769,6 +769,7 @@
769 769  00000101: Means both DI1 and DI2 trigger are enabled.
770 770  
771 771  
743 +
772 772  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
773 773  
774 774  Downlink command to poll MOD6 status:
... ... @@ -778,6 +778,7 @@
778 778  When device got this command, it will send the MOD6 payload.
779 779  
780 780  
753 +
781 781  === 3.3.7 Payload Decoder ===
782 782  
783 783  (((
... ... @@ -787,6 +787,7 @@
787 787  )))
788 788  
789 789  
763 +
790 790  == 3.4 ​Configure LT via AT or Downlink ==
791 791  
792 792  
... ... @@ -800,10 +800,13 @@
800 800  )))
801 801  )))
802 802  
803 -* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
777 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
804 804  
805 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
779 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
806 806  
781 +
782 +
783 +
807 807  === 3.4.1 Common Commands ===
808 808  
809 809  
... ... @@ -812,8 +812,10 @@
812 812  )))
813 813  
814 814  
792 +
815 815  === 3.4.2 Sensor related commands ===
816 816  
795 +
817 817  ==== 3.4.2.1 Set Transmit Interval ====
818 818  
819 819  
... ... @@ -821,7 +821,7 @@
821 821  
822 822  * (% style="color:#037691" %)**AT Command:**
823 823  
824 -(% style="color:blue" %)**AT+TDC=N **
803 +**AT+TDC=N **
825 825  
826 826  
827 827  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -829,10 +829,11 @@
829 829  
830 830  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
831 831  
832 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
811 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
833 833  
834 834  
835 835  
815 +
836 836  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
837 837  
838 838  
... ... @@ -840,7 +840,7 @@
840 840  
841 841  * (% style="color:#037691" %)**AT Command:**
842 842  
843 -(% style="color:blue" %)**AT+MOD=N  **
823 +**AT+MOD=N  **
844 844  
845 845  
846 846  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -848,10 +848,11 @@
848 848  
849 849  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
850 850  
851 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
831 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
852 852  
853 853  
854 854  
835 +
855 855  ==== 3.4.2.3 Poll an uplink ====
856 856  
857 857  
... ... @@ -862,7 +862,7 @@
862 862  
863 863  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
864 864  
865 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
846 +**0x08 FF     **~/~/ Poll an uplink
866 866  
867 867  
868 868  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -869,6 +869,7 @@
869 869  
870 870  
871 871  
853 +
872 872  ==== 3.4.2.4 Enable Trigger Mode ====
873 873  
874 874  
... ... @@ -876,19 +876,20 @@
876 876  
877 877  * (% style="color:#037691" %)**AT Command:**
878 878  
879 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
861 +**AT+ADDMOD6=1 or 0**
880 880  
881 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
863 +1: Enable Trigger Mode
882 882  
883 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
865 +0: Disable Trigger Mode
884 884  
885 885  
886 886  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
887 887  
888 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
870 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
889 889  
890 890  
891 891  
874 +
892 892  ==== 3.4.2.5 Poll trigger settings ====
893 893  
894 894  
... ... @@ -901,10 +901,11 @@
901 901  
902 902  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
903 903  
904 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
887 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
905 905  
906 906  
907 907  
891 +
908 908  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
909 909  
910 910  
... ... @@ -912,7 +912,7 @@
912 912  
913 913  * (% style="color:#037691" %)**AT Command:**
914 914  
915 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
899 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
916 916  
917 917  
918 918  **Example:**
... ... @@ -921,10 +921,11 @@
921 921  
922 922  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
923 923  
924 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
908 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
925 925  
926 926  
927 927  
912 +
928 928  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
929 929  
930 930  
... ... @@ -932,11 +932,11 @@
932 932  
933 933  * (% style="color:#037691" %)**AT Command:**
934 934  
935 -(% style="color:blue" %)**AT+TRIG1=a,b**
920 +**AT+TRIG1=a,b**
936 936  
937 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
922 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
938 938  
939 -(% style="color:red" %)**b :** (%%)delay timing.
924 +b : delay timing.
940 940  
941 941  
942 942  **Example:**
... ... @@ -945,11 +945,8 @@
945 945  
946 946  
947 947  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
933 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
948 948  
949 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
950 -
951 -
952 -
953 953  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
954 954  
955 955  
... ... @@ -957,13 +957,14 @@
957 957  
958 958  * (% style="color:#037691" %)**AT Command:**
959 959  
960 -(% style="color:blue" %)**AT+TRIG2=a,b**
942 +**AT+TRIG2=a,b**
961 961  
962 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
963 963  
964 -(% style="color:red" %)**b :** (%%)delay timing.
945 +a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
965 965  
947 +b : delay timing.
966 966  
949 +
967 967  **Example:**
968 968  
969 969  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -971,10 +971,11 @@
971 971  
972 972  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
973 973  
974 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
957 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
975 975  
976 976  
977 977  
961 +
978 978  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
979 979  
980 980  
... ... @@ -982,15 +982,16 @@
982 982  
983 983  * (% style="color:#037691" %)**AT Command**
984 984  
985 -(% style="color:blue" %)**AT+ACLIM**
969 +**AT+ACLIM**
986 986  
987 987  
988 988  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
989 989  
990 -(% style="color:blue" %)**0x AA 01 aa bb cc dd ee ff gg hh        ** (%%) ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
974 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
991 991  
992 992  
993 993  
978 +
994 994  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
995 995  
996 996  
... ... @@ -998,15 +998,16 @@
998 998  
999 999  * (% style="color:#037691" %)**AT Command**
1000 1000  
1001 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
986 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1002 1002  
1003 1003  
1004 1004  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
1005 1005  
1006 -(% style="color:blue" %)**0x AA 00 aa bb cc dd ee ff gg hh    ** (%%) ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
991 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1007 1007  
1008 1008  
1009 1009  
995 +
1010 1010  ==== 3.4.2.11 Trigger – Set minimum interval ====
1011 1011  
1012 1012  
... ... @@ -1014,12 +1014,12 @@
1014 1014  
1015 1015  * (% style="color:#037691" %)**AT Command**
1016 1016  
1017 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1003 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
1018 1018  
1019 1019  
1020 1020  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1021 1021  
1022 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1008 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1023 1023  
1024 1024  (((
1025 1025  
... ... @@ -1029,6 +1029,7 @@
1029 1029  
1030 1030  
1031 1031  
1018 +
1032 1032  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1033 1033  
1034 1034  
... ... @@ -1038,7 +1038,7 @@
1038 1038  
1039 1039  
1040 1040  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1041 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1028 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
1042 1042  
1043 1043  (((
1044 1044  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1060,6 +1060,7 @@
1060 1060  
1061 1061  
1062 1062  
1050 +
1063 1063  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1064 1064  
1065 1065  
... ... @@ -1070,7 +1070,7 @@
1070 1070  
1071 1071  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1072 1072  
1073 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1061 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1074 1074  
1075 1075  
1076 1076  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1103,14 +1103,6 @@
1103 1103  
1104 1104   Latching time. Unit: ms
1105 1105  
1106 -
1107 -(% style="color:red" %)**Note: **
1108 -
1109 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1110 -
1111 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1112 -
1113 -
1114 1114  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1115 1115  
1116 1116  
... ... @@ -1134,9 +1134,10 @@
1134 1134  
1135 1135  
1136 1136  
1137 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1138 1138  
1118 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1139 1139  
1120 +
1140 1140  * (% style="color:#037691" %)**AT Command:**
1141 1141  
1142 1142  There is no AT Command to control Relay Output
... ... @@ -1144,7 +1144,7 @@
1144 1144  
1145 1145  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1146 1146  
1147 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1128 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1148 1148  
1149 1149  
1150 1150  (((
... ... @@ -1156,7 +1156,7 @@
1156 1156  )))
1157 1157  
1158 1158  (((
1159 -[[image:image-20230426161322-1.png]]
1140 +[[image:image-20220524093724-9.png]]
1160 1160  )))
1161 1161  
1162 1162  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1163,6 +1163,7 @@
1163 1163  
1164 1164  
1165 1165  
1147 +
1166 1166  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1167 1167  
1168 1168  
... ... @@ -1173,7 +1173,7 @@
1173 1173  
1174 1174  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1175 1175  
1176 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1158 +**0x05 aa bb cc dd     **~/~/ Set RO1/RO2 relay with time control
1177 1177  
1178 1178  
1179 1179  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1194,20 +1194,12 @@
1194 1194  
1195 1195  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1196 1196  
1197 -
1198 -(% style="color:red" %)**Note:**
1199 -
1200 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1201 -
1202 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1203 -
1204 -
1205 1205  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1206 1206  
1207 1207  
1208 1208  **Example payload:**
1209 1209  
1210 -**~1. 05 01 11 07 D0**
1184 +**~1. 05 01 11 07 D**
1211 1211  
1212 1212  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1213 1213  
... ... @@ -1232,33 +1232,39 @@
1232 1232  
1233 1233  * (% style="color:#037691" %)**AT Command:**
1234 1234  
1235 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1209 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1236 1236  
1237 1237  
1238 1238  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1239 1239  
1240 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1214 +**0xA5 aa bb cc   **~/~/ Same as AT+VOLMAX=(aa bb),cc
1241 1241  
1242 1242  
1243 1243  
1218 +
1244 1244  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1245 1245  
1246 1246  
1247 1247  * (% style="color:#037691" %)**AT Command:**
1248 1248  
1249 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1224 +**AT+SETCNT=aa,(bb cc dd ee) **
1250 1250  
1251 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1226 +aa: 1: Set count1,
1252 1252  
1253 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1228 +2: Set count2,
1254 1254  
1230 +3: Set AV1 count
1255 1255  
1232 +Bb cc dd ee: number to be set
1233 +
1234 +
1256 1256  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1257 1257  
1258 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1237 +**0x A8 aa bb cc dd ee     **~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1259 1259  
1260 1260  
1261 1261  
1241 +
1262 1262  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1263 1263  
1264 1264  
... ... @@ -1266,104 +1266,114 @@
1266 1266  
1267 1267  * (% style="color:#037691" %)**AT Command:**
1268 1268  
1269 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1249 +**AT+CLRCOUNT ** ~/~/ clear all counting
1270 1270  
1271 1271  
1272 1272  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1273 1273  
1274 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1254 +**0x A6 01    ** ~/~/ clear all counting
1275 1275  
1276 1276  
1277 1277  
1258 +
1278 1278  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1279 1279  
1280 1280  
1281 1281  * (% style="color:#037691" %)**AT Command:**
1282 1282  
1283 -(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1264 +**AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
1284 1284  
1285 1285  
1286 1286  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1287 1287  
1288 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1269 +**0x A7 aa bb cc     **~/~/ same as AT+COUTIME =aa bb cc,
1289 1289  
1290 1290  (((
1291 1291  range: aa bb cc:0 to 16777215,  (unit:second)
1292 -)))
1293 1293  
1294 1294  
1295 1295  
1296 -==== 3.4.2.20 Reset save RO DO state ====
1276 +
1277 +)))
1297 1297  
1279 +==== 3.4.2.20 Reset save DR DO state ====
1298 1298  
1281 +
1299 1299  * (% style="color:#037691" %)**AT Command:**
1300 1300  
1301 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1284 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1302 1302  
1303 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1286 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1304 1304  
1305 1305  
1306 1306  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1307 1307  
1308 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1291 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1309 1309  
1293 +(((
1294 +
1310 1310  
1311 1311  
1297 +
1312 1312  ==== 3.4.2.21 Encrypted payload ====
1313 1313  
1314 1314  
1315 1315  * (% style="color:#037691" %)**AT Command:**
1316 1316  
1317 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1303 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1318 1318  
1319 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1305 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1320 1320  
1321 1321  
1322 1322  
1309 +
1323 1323  ==== 3.4.2.22 Get sensor value ====
1324 1324  
1325 1325  
1326 1326  * (% style="color:#037691" %)**AT Command:**
1327 1327  
1328 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1315 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1329 1329  
1330 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1317 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1331 1331  
1332 1332  
1333 1333  
1321 +
1334 1334  ==== 3.4.2.23 Resets the downlink packet count ====
1335 1335  
1336 1336  
1337 1337  * (% style="color:#037691" %)**AT Command:**
1338 1338  
1339 -(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1327 +**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1340 1340  
1341 -(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1329 +**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1342 1342  
1343 1343  
1344 1344  
1333 +
1345 1345  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1346 1346  
1347 1347  
1348 1348  * (% style="color:#037691" %)**AT Command:**
1349 1349  
1350 -(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1339 + **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1351 1351  
1352 -(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1341 + **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1353 1353  
1354 1354  
1355 1355  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1356 1356  
1357 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1346 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1358 1358  
1359 1359  
1360 1360  
1350 +
1361 1361  ==== 3.4.2.25 Copy downlink to uplink ====
1362 1362  
1363 1363  
1364 1364  * (% style="color:#037691" %)**AT Command**(%%)**:**
1365 1365  
1366 -(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1356 + **AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1367 1367  
1368 1368  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1369 1369  
... ... @@ -1386,7 +1386,7 @@
1386 1386  * (((
1387 1387  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1388 1388  
1389 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1379 +**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1390 1390  
1391 1391  
1392 1392  )))
... ... @@ -1396,6 +1396,9 @@
1396 1396  [[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"]]
1397 1397  
1398 1398  
1389 +
1390 +)))
1391 +
1399 1399  == 3.5 Integrate with Mydevice ==
1400 1400  
1401 1401  
... ... @@ -1445,8 +1445,10 @@
1445 1445  [[image:image-20220524094909-5.png||height="341" width="734"]]
1446 1446  
1447 1447  
1441 +
1448 1448  == 3.6 Interface Detail ==
1449 1449  
1444 +
1450 1450  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1451 1451  
1452 1452  
... ... @@ -1455,6 +1455,7 @@
1455 1455  [[image:1653356991268-289.png]]
1456 1456  
1457 1457  
1453 +
1458 1458  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1459 1459  
1460 1460  
... ... @@ -1511,6 +1511,8 @@
1511 1511  
1512 1512  (((
1513 1513  
1510 +
1511 +
1514 1514  )))
1515 1515  
1516 1516  (((
... ... @@ -1542,6 +1542,8 @@
1542 1542  
1543 1543  (((
1544 1544  
1543 +
1544 +
1545 1545  )))
1546 1546  
1547 1547  (((
... ... @@ -1572,16 +1572,16 @@
1572 1572  )))
1573 1573  
1574 1574  
1575 +
1575 1575  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1576 1576  
1577 1577  
1578 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1579 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1579 1579  
1580 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1581 -
1582 1582  [[image:1653357531600-905.png]]
1583 1583  
1584 1584  
1584 +
1585 1585  === 3.6.4 Analog Input Interface ===
1586 1586  
1587 1587  
... ... @@ -1599,9 +1599,9 @@
1599 1599  
1600 1600  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1601 1601  
1602 -(% style="color:red" %)**Red:  12~~24v**
1602 +**Red:  12~~24v**
1603 1603  
1604 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1604 +**Yellow:  4~~20mA**
1605 1605  
1606 1606  **Black:  GND**
1607 1607  
... ... @@ -1613,13 +1613,12 @@
1613 1613  [[image:1653357648330-671.png||height="155" width="733"]]
1614 1614  
1615 1615  
1616 +
1616 1616  === 3.6.5 Relay Output ===
1617 1617  
1618 1618  
1619 1619  (((
1620 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1621 -
1622 -**Note**: RO pins go to Open(NO) when device is power off.
1621 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1623 1623  )))
1624 1624  
1625 1625  [[image:image-20220524100215-9.png]]
... ... @@ -1628,6 +1628,7 @@
1628 1628  [[image:image-20220524100215-10.png||height="382" width="723"]]
1629 1629  
1630 1630  
1630 +
1631 1631  == 3.7 LEDs Indicators ==
1632 1632  
1633 1633  
... ... @@ -1634,8 +1634,10 @@
1634 1634  [[image:image-20220524100748-11.png]]
1635 1635  
1636 1636  
1637 +
1637 1637  = 4. Use AT Command =
1638 1638  
1640 +
1639 1639  == 4.1 Access AT Command ==
1640 1640  
1641 1641  
... ... @@ -1846,8 +1846,10 @@
1846 1846  )))
1847 1847  
1848 1848  
1851 +
1849 1849  == 4.2 Common AT Command Sequence ==
1850 1850  
1854 +
1851 1851  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1852 1852  
1853 1853  (((
... ... @@ -1892,6 +1892,7 @@
1892 1892  )))
1893 1893  
1894 1894  
1899 +
1895 1895  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1896 1896  
1897 1897  (((
... ... @@ -1964,7 +1964,7 @@
1964 1964  **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?
1965 1965  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1966 1966  
1967 -**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.**
1972 +**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**
1968 1968  
1969 1969  
1970 1970  )))
... ... @@ -1977,11 +1977,12 @@
1977 1977  
1978 1978  )))
1979 1979  
1985 +
1980 1980  === 4.2.3 Change to Class A ===
1981 1981  
1982 1982  
1983 1983  (((
1984 -(% style="color:blue" %)**If sensor JOINED:**
1990 +(% style="color:blue" %)If sensor JOINED:
1985 1985  
1986 1986  (% style="background-color:#dcdcdc" %)**AT+CLASS=A
1987 1987  ATZ**
... ... @@ -1988,19 +1988,13 @@
1988 1988  )))
1989 1989  
1990 1990  
1991 -= 5. Case Study =
1992 1992  
1993 -== 5.1 Counting how many objects pass in Flow Line ==
1998 += 5. FAQ =
1994 1994  
1995 1995  
1996 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2001 +== 5.1 How to upgrade the image? ==
1997 1997  
1998 1998  
1999 -= 6. FAQ =
2000 -
2001 -== 6.1 How to upgrade the image? ==
2002 -
2003 -
2004 2004  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2005 2005  
2006 2006  * Support new features
... ... @@ -2028,10 +2028,8 @@
2028 2028  
2029 2029   [[image:image-20220524103407-12.png]]
2030 2030  
2031 -
2032 2032  [[image:image-20220524103429-13.png]]
2033 2033  
2034 -
2035 2035  [[image:image-20220524104033-15.png]]
2036 2036  
2037 2037  
... ... @@ -2043,8 +2043,10 @@
2043 2043  
2044 2044  (((
2045 2045  (((
2046 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2044 +
2047 2047  
2046 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2047 +
2048 2048  
2049 2049  )))
2050 2050  )))
... ... @@ -2056,8 +2056,9 @@
2056 2056  (((
2057 2057  
2058 2058  
2059 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2060 2060  
2060 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2061 +
2061 2061  
2062 2062  )))
2063 2063  
... ... @@ -2071,6 +2071,7 @@
2071 2071  (((
2072 2072  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2073 2073  
2075 +
2074 2074  
2075 2075  )))
2076 2076  )))
... ... @@ -2119,29 +2119,26 @@
2119 2119  [[image:1653360498588-932.png||height="485" width="726"]]
2120 2120  
2121 2121  
2122 -== 6.4 How to change the uplink interval？ ==
2123 2123  
2125 +== 5.4 Can I see counting event in Serial? ==
2124 2124  
2125 -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/]]
2126 2126  
2127 -
2128 -== 6.5 Can I see counting event in Serial? ==
2129 -
2130 -
2131 2131  (((
2132 2132  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.
2133 2133  
2134 2134  
2135 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2136 2136  
2133 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2137 2137  
2138 -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]].
2139 2139  
2136 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2137 +
2138 +
2140 2140  
2141 2141  )))
2142 2142  
2143 2143  (((
2144 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2143 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2145 2145  
2146 2146  
2147 2147  If the device is not shut down, but directly powered off.
... ... @@ -2153,9 +2153,10 @@
2153 2153  After restart, the status before power failure will be read from flash.
2154 2154  
2155 2155  
2156 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2157 2157  
2156 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2158 2158  
2158 +
2159 2159  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2160 2160  
2161 2161  
... ... @@ -2162,18 +2162,15 @@
2162 2162  [[image:image-20221006170630-1.png||height="610" width="945"]]
2163 2163  
2164 2164  
2165 -== 6.9 Can LT22222-L save RO state? ==
2166 2166  
2166 += 6. Trouble Shooting =
2167 2167  
2168 -Firmware version needs to be no less than 1.6.0.
2169 -
2170 -
2171 -= 7. Trouble Shooting =
2168 +
2172 2172  )))
2173 2173  
2174 2174  (((
2175 2175  (((
2176 -== 7.1 Downlink doesn't work, how to solve it? ==
2173 +== 6.1 Downlink doesn't work, how to solve it? ==
2177 2177  
2178 2178  
2179 2179  )))
... ... @@ -2186,8 +2186,9 @@
2186 2186  (((
2187 2187  
2188 2188  
2189 -== 7.2 Have trouble to upload image. ==
2190 2190  
2187 +== 6.2 Have trouble to upload image. ==
2188 +
2191 2191  
2192 2192  )))
2193 2193  
... ... @@ -2198,8 +2198,9 @@
2198 2198  (((
2199 2199  
2200 2200  
2201 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2202 2202  
2200 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2201 +
2203 2203  
2204 2204  )))
2205 2205  
... ... @@ -2208,9 +2208,10 @@
2208 2208  )))
2209 2209  
2210 2210  
2211 -= 8. Order Info =
2212 2212  
2211 += 7. Order Info =
2213 2213  
2213 +
2214 2214  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2215 2215  
2216 2216  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2225,9 +2225,11 @@
2225 2225  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2226 2226  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2227 2227  
2228 -= 9. Packing Info =
2229 2229  
2230 2230  
2230 += 8. Packing Info =
2231 +
2232 +
2231 2231  **Package Includes**:
2232 2232  
2233 2233  * LT-22222-L I/O Controller x 1
... ... @@ -2242,9 +2242,11 @@
2242 2242  * Package Size / pcs : 14.5 x 8 x 5 cm
2243 2243  * Weight / pcs : 170g
2244 2244  
2245 -= 10. Support =
2246 2246  
2247 2247  
2249 += 9. Support =
2250 +
2251 +
2248 2248  * (((
2249 2249  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.
2250 2250  )))
... ... @@ -2252,10 +2252,11 @@
2252 2252  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]]
2253 2253  
2254 2254  
2259 +
2255 2255  
2256 2256  )))
2257 2257  
2258 -= 11. Reference​​​​​ =
2263 += 10. Reference​​​​​ =
2259 2259  
2260 2260  
2261 2261  * 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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