Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.2 >
edited by Xiaoling
on 2023/05/17 10:45
To version < 102.3 >
edited by Xiaoling
on 2022/10/29 09:54
>
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 +176,35 @@
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 +
191 +
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  
202 +
203 +
204 +
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" %)(((
208 +(% border="1" style="background-color:#f7faff; width:500px" %)
209 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
210 +|(% 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 +221,9 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
219 +
220 +
221 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -237,8 +237,10 @@
237 237  [[image:1653297104069-180.png]]
238 238  
239 239  
238 +
240 240  = 3. Operation Mode =
241 241  
241 +
242 242  == 3.1 How it works? ==
243 243  
244 244  
... ... @@ -251,6 +251,7 @@
251 251  )))
252 252  
253 253  
254 +
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"]]
281 +[[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  
306 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -314,48 +314,25 @@
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  
317 -=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 319  
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" %)
322 322  
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
322 +=== 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
327 327  
328 -voltage
329 -)))|(((
330 -AVI2
331 331  
332 -voltage
333 -)))|(((
334 -ACI1
335 -
336 -Current
337 -)))|(((
338 -ACI2
339 -
340 -Current
341 -)))|DIDORO*|(((
342 -Reserve
343 -
344 -
345 -)))|MOD
325 +(((
326 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
346 346  )))
347 347  
329 +[[image:image-20220523174024-3.png]]
348 348  
349 349  (((
350 350  
351 351  
352 352  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
353 -
354 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
355 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
356 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
357 357  )))
358 358  
337 +[[image:image-20220523174254-4.png]]
359 359  
360 360  * RO is for relay. ROx=1 : close，ROx=0 always open.
361 361  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -396,6 +396,9 @@
396 396  ** DO1 is high in case there is load between DO1 and V+.
397 397  ** DO1 LED is off in both case
398 398  
378 +
379 +
380 +
399 399  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
400 400  
401 401  
... ... @@ -469,6 +469,7 @@
469 469  )))
470 470  
471 471  
454 +
472 472  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
473 473  
474 474  
... ... @@ -515,6 +515,7 @@
515 515  )))
516 516  
517 517  
501 +
518 518  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
519 519  
520 520  
... ... @@ -583,6 +583,7 @@
583 583  )))
584 584  
585 585  
570 +
586 586  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
587 587  
588 588  
... ... @@ -630,6 +630,7 @@
630 630  )))
631 631  
632 632  
618 +
633 633  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
634 634  
635 635  
... ... @@ -684,6 +684,7 @@
684 684  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
685 685  
686 686  
673 +
687 687  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
688 688  
689 689  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -744,6 +744,7 @@
744 744  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
745 745  
746 746  
734 +
747 747  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
748 748  
749 749  [[image:image-20220524090456-4.png]]
... ... @@ -757,6 +757,7 @@
757 757  00000101: Means both DI1 and DI2 trigger are enabled.
758 758  
759 759  
748 +
760 760  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
761 761  
762 762  Downlink command to poll MOD6 status:
... ... @@ -766,6 +766,7 @@
766 766  When device got this command, it will send the MOD6 payload.
767 767  
768 768  
758 +
769 769  === 3.3.7 Payload Decoder ===
770 770  
771 771  (((
... ... @@ -775,6 +775,7 @@
775 775  )))
776 776  
777 777  
768 +
778 778  == 3.4 ​Configure LT via AT or Downlink ==
779 779  
780 780  
... ... @@ -792,6 +792,8 @@
792 792  
793 793  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
794 794  
786 +
787 +
795 795  === 3.4.1 Common Commands ===
796 796  
797 797  
... ... @@ -800,8 +800,10 @@
800 800  )))
801 801  
802 802  
796 +
803 803  === 3.4.2 Sensor related commands ===
804 804  
799 +
805 805  ==== 3.4.2.1 Set Transmit Interval ====
806 806  
807 807  
... ... @@ -809,7 +809,7 @@
809 809  
810 810  * (% style="color:#037691" %)**AT Command:**
811 811  
812 -(% style="color:blue" %)**AT+TDC=N **
807 +**(% style="color:blue" %)AT+TDC=N **
813 813  
814 814  
815 815  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -817,10 +817,11 @@
817 817  
818 818  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
819 819  
820 -(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
815 +**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
821 821  
822 822  
823 823  
819 +
824 824  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
825 825  
826 826  
... ... @@ -828,7 +828,7 @@
828 828  
829 829  * (% style="color:#037691" %)**AT Command:**
830 830  
831 -(% style="color:blue" %)**AT+MOD=N  **
827 +**(% style="color:blue" %)AT+MOD=N  **
832 832  
833 833  
834 834  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -836,10 +836,11 @@
836 836  
837 837  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
838 838  
839 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
835 +**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
840 840  
841 841  
842 842  
839 +
843 843  ==== 3.4.2.3 Poll an uplink ====
844 844  
845 845  
... ... @@ -850,7 +850,7 @@
850 850  
851 851  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
852 852  
853 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
850 +**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
854 854  
855 855  
856 856  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -857,6 +857,7 @@
857 857  
858 858  
859 859  
857 +
860 860  ==== 3.4.2.4 Enable Trigger Mode ====
861 861  
862 862  
... ... @@ -864,19 +864,20 @@
864 864  
865 865  * (% style="color:#037691" %)**AT Command:**
866 866  
867 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
865 +**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
868 868  
869 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
867 +**(% style="color:red" %)1:** Enable Trigger Mode
870 870  
871 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
869 +**(% style="color:red" %)0: **Disable Trigger Mode
872 872  
873 873  
874 874  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
875 875  
876 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
874 +**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
877 877  
878 878  
879 879  
878 +
880 880  ==== 3.4.2.5 Poll trigger settings ====
881 881  
882 882  
... ... @@ -889,10 +889,11 @@
889 889  
890 890  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
891 891  
892 -(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
891 +**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
893 893  
894 894  
895 895  
895 +
896 896  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
897 897  
898 898  
... ... @@ -900,7 +900,7 @@
900 900  
901 901  * (% style="color:#037691" %)**AT Command:**
902 902  
903 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
903 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
904 904  
905 905  
906 906  **Example:**
... ... @@ -909,10 +909,11 @@
909 909  
910 910  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
911 911  
912 -(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
912 +**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
913 913  
914 914  
915 915  
916 +
916 916  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
917 917  
918 918  
... ... @@ -920,11 +920,11 @@
920 920  
921 921  * (% style="color:#037691" %)**AT Command:**
922 922  
923 -(% style="color:blue" %)**AT+TRIG1=a,b**
924 +**(% style="color:blue" %)AT+TRIG1=a,b**
924 924  
925 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
926 +**(% style="color:red" %)a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
926 926  
927 -(% style="color:red" %)**b :** (%%)delay timing.
928 +**(% style="color:red" %)b :** (%%)delay timing.
928 928  
929 929  
930 930  **Example:**
... ... @@ -933,8 +933,8 @@
933 933  
934 934  
935 935  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
937 +* **(% style="color:blue" %)0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
936 936  
937 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
938 938  
939 939  
940 940  
... ... @@ -945,13 +945,14 @@
945 945  
946 946  * (% style="color:#037691" %)**AT Command:**
947 947  
948 -(% style="color:blue" %)**AT+TRIG2=a,b**
949 +**(% style="color:blue" %)AT+TRIG2=a,b**
949 949  
950 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
951 951  
952 -(% style="color:red" %)**b :** (%%)delay timing.
952 +**(% style="color:red" %)a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
953 953  
954 +**(% style="color:red" %)b :** (%%)delay timing.
954 954  
956 +
955 955  **Example:**
956 956  
957 957  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -959,10 +959,11 @@
959 959  
960 960  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
961 961  
962 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
964 +**(% style="color:blue" %)0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
963 963  
964 964  
965 965  
968 +
966 966  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
967 967  
968 968  
... ... @@ -970,15 +970,16 @@
970 970  
971 971  * (% style="color:#037691" %)**AT Command**
972 972  
973 -(% style="color:blue" %)**AT+ACLIM**
976 +**(% style="color:blue" %)AT+ACLIM**
974 974  
975 975  
976 976  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
977 977  
978 -(% 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"]]
981 +**(% 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"]]
979 979  
980 980  
981 981  
985 +
982 982  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
983 983  
984 984  
... ... @@ -986,15 +986,16 @@
986 986  
987 987  * (% style="color:#037691" %)**AT Command**
988 988  
989 -(% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
993 +**(% style="color:blue" %)AT+AVLIM  (%%) See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
990 990  
991 991  
992 992  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
993 993  
994 -(% 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"]]
998 +**(% 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"]]
995 995  
996 996  
997 997  
1002 +
998 998  ==== 3.4.2.11 Trigger – Set minimum interval ====
999 999  
1000 1000  
... ... @@ -1002,12 +1002,12 @@
1002 1002  
1003 1003  * (% style="color:#037691" %)**AT Command**
1004 1004  
1005 -(% style="color:blue" %)**AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1010 +**(% style="color:blue" %)AT+ATDC=5        ** (%%)Device won't response the second trigger within 5 minute after the first trigger.
1006 1006  
1007 1007  
1008 1008  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1009 1009  
1010 -(% style="color:blue" %)**0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1015 +**(% style="color:blue" %)0x AC aa bb   **(%%) ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
1011 1011  
1012 1012  (((
1013 1013  
... ... @@ -1017,6 +1017,7 @@
1017 1017  
1018 1018  
1019 1019  
1025 +
1020 1020  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1021 1021  
1022 1022  
... ... @@ -1026,7 +1026,7 @@
1026 1026  
1027 1027  
1028 1028  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1029 -* (% style="color:blue" %)**0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1035 +* **(% style="color:blue" %)0x02 aa bb cc     ** (%%)~/~/ Set DO1/DO2/DO3 output
1030 1030  
1031 1031  (((
1032 1032  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1048,6 +1048,7 @@
1048 1048  
1049 1049  
1050 1050  
1057 +
1051 1051  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1052 1052  
1053 1053  
... ... @@ -1058,7 +1058,7 @@
1058 1058  
1059 1059  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1060 1060  
1061 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1068 +**(% style="color:blue" %)0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1062 1062  
1063 1063  
1064 1064  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1091,14 +1091,6 @@
1091 1091  
1092 1092   Latching time. Unit: ms
1093 1093  
1094 -
1095 -(% style="color:red" %)**Note: **
1096 -
1097 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1098 -
1099 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1100 -
1101 -
1102 1102  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1103 1103  
1104 1104  
... ... @@ -1122,9 +1122,10 @@
1122 1122  
1123 1123  
1124 1124  
1125 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1126 1126  
1125 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1127 1127  
1127 +
1128 1128  * (% style="color:#037691" %)**AT Command:**
1129 1129  
1130 1130  There is no AT Command to control Relay Output
... ... @@ -1132,7 +1132,7 @@
1132 1132  
1133 1133  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1134 1134  
1135 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1135 +**(% style="color:blue" %)0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1136 1136  
1137 1137  
1138 1138  (((
... ... @@ -1144,7 +1144,7 @@
1144 1144  )))
1145 1145  
1146 1146  (((
1147 -[[image:image-20230426161322-1.png]]
1147 +[[image:image-20220524093724-9.png]]
1148 1148  )))
1149 1149  
1150 1150  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1151,6 +1151,7 @@
1151 1151  
1152 1152  
1153 1153  
1154 +
1154 1154  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1155 1155  
1156 1156  
... ... @@ -1161,7 +1161,7 @@
1161 1161  
1162 1162  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1163 1163  
1164 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1165 +**(% style="color:blue" %)0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1165 1165  
1166 1166  
1167 1167  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1182,20 +1182,12 @@
1182 1182  
1183 1183  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1184 1184  
1185 -
1186 -(% style="color:red" %)**Note:**
1187 -
1188 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1189 -
1190 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1191 -
1192 -
1193 1193  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1194 1194  
1195 1195  
1196 1196  **Example payload:**
1197 1197  
1198 -**~1. 05 01 11 07 D0**
1191 +**~1. 05 01 11 07 D**
1199 1199  
1200 1200  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1201 1201  
... ... @@ -1220,33 +1220,35 @@
1220 1220  
1221 1221  * (% style="color:#037691" %)**AT Command:**
1222 1222  
1223 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1216 +**(% style="color:blue" %)AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1224 1224  
1225 1225  
1226 1226  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1227 1227  
1228 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1221 +**(% style="color:blue" %)0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1229 1229  
1230 1230  
1231 1231  
1225 +
1232 1232  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1233 1233  
1234 1234  
1235 1235  * (% style="color:#037691" %)**AT Command:**
1236 1236  
1237 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1231 +**(% style="color:blue" %)AT+SETCNT=aa,(bb cc dd ee) **
1238 1238  
1239 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1233 +**(% style="color:red" %)aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1240 1240  
1241 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1235 +**(% style="color:red" %)bb cc dd ee: **(%%)number to be set
1242 1242  
1243 1243  
1244 1244  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1245 1245  
1246 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1240 +**(% style="color:blue" %)0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1247 1247  
1248 1248  
1249 1249  
1244 +
1250 1250  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1251 1251  
1252 1252  
... ... @@ -1254,26 +1254,27 @@
1254 1254  
1255 1255  * (% style="color:#037691" %)**AT Command:**
1256 1256  
1257 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1252 +**(% style="color:blue" %)AT+CLRCOUNT **(%%) ~/~/ clear all counting
1258 1258  
1259 1259  
1260 1260  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1261 1261  
1262 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1257 +**(% style="color:blue" %)0x A6 01    ** (%%)~/~/ clear all counting
1263 1263  
1264 1264  
1265 1265  
1261 +
1266 1266  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1267 1267  
1268 1268  
1269 1269  * (% style="color:#037691" %)**AT Command:**
1270 1270  
1271 -(% 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)
1267 +**(% 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)
1272 1272  
1273 1273  
1274 1274  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1275 1275  
1276 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1272 +**(% style="color:blue" %)0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1277 1277  
1278 1278  (((
1279 1279  range: aa bb cc:0 to 16777215,  (unit:second)
... ... @@ -1281,20 +1281,22 @@
1281 1281  
1282 1282  
1283 1283  
1284 -==== 3.4.2.20 Reset save RO DO state ====
1285 1285  
1281 +==== 3.4.2.20 Reset save DR DO state ====
1286 1286  
1283 +
1287 1287  * (% style="color:#037691" %)**AT Command:**
1288 1288  
1289 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1286 +**(% style="color:blue" %)AT+RODORET=1  **(%%)~/~/ RODO will close when the device joining the network. (default)
1290 1290  
1291 -(% 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.
1288 +**(% style="color:blue" %)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.
1292 1292  
1293 1293  
1294 1294  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1295 1295  
1296 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1293 +**(% style="color:blue" %)0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1297 1297  
1295 +
1298 1298  
1299 1299  
1300 1300  ==== 3.4.2.21 Encrypted payload ====
... ... @@ -1302,56 +1302,60 @@
1302 1302  
1303 1303  * (% style="color:#037691" %)**AT Command:**
1304 1304  
1305 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1303 +**(% style="color:blue" %)AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1306 1306  
1307 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1305 +**(% style="color:blue" %)AT+DECRYPT=0  **(%%)~/~/Encrypt when uploading payload (default)
1308 1308  
1309 1309  
1310 1310  
1309 +
1311 1311  ==== 3.4.2.22 Get sensor value ====
1312 1312  
1313 1313  
1314 1314  * (% style="color:#037691" %)**AT Command:**
1315 1315  
1316 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port gets the reading of the current sensor
1315 +**(% style="color:blue" %)AT+GETSENSORVALUE=0  **(%%)~/~/ The serial port gets the reading of the current sensor
1317 1317  
1318 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port gets the current sensor reading and uploads it.
1317 +**(% style="color:blue" %)AT+GETSENSORVALUE=1  **(%%)~/~/The serial port gets the current sensor reading and uploads it.
1319 1319  
1320 1320  
1321 1321  
1321 +
1322 1322  ==== 3.4.2.23 Resets the downlink packet count ====
1323 1323  
1324 1324  
1325 1325  * (% style="color:#037691" %)**AT Command:**
1326 1326  
1327 -(% 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 +**(% 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)
1328 1328  
1329 -(% 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 +**(% 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.
1330 1330  
1331 1331  
1332 1332  
1333 +
1333 1333  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1334 1334  
1335 1335  
1336 1336  * (% style="color:#037691" %)**AT Command:**
1337 1337  
1338 -(% 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 +**(% 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 1339  
1340 -(% 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 +**(% 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 1341  
1342 1342  
1343 1343  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1344 1344  
1345 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1346 +**(% style="color:blue" %)0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1346 1346  
1347 1347  
1348 1348  
1350 +
1349 1349  ==== 3.4.2.25 Copy downlink to uplink ====
1350 1350  
1351 1351  
1352 1352  * (% style="color:#037691" %)**AT Command**(%%)**:**
1353 1353  
1354 -(% 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 +**(% 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.
1355 1355  
1356 1356  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.
1357 1357  
... ... @@ -1374,7 +1374,7 @@
1374 1374  * (((
1375 1375  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1376 1376  
1377 -(% style="color:blue" %)**26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1379 +**(% style="color:blue" %)26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1378 1378  
1379 1379  
1380 1380  )))
... ... @@ -1384,6 +1384,9 @@
1384 1384  [[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"]]
1385 1385  
1386 1386  
1389 +
1390 +)))
1391 +
1387 1387  == 3.5 Integrate with Mydevice ==
1388 1388  
1389 1389  
... ... @@ -1433,8 +1433,10 @@
1433 1433  [[image:image-20220524094909-5.png||height="341" width="734"]]
1434 1434  
1435 1435  
1441 +
1436 1436  == 3.6 Interface Detail ==
1437 1437  
1444 +
1438 1438  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1439 1439  
1440 1440  
... ... @@ -1443,6 +1443,7 @@
1443 1443  [[image:1653356991268-289.png]]
1444 1444  
1445 1445  
1453 +
1446 1446  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1447 1447  
1448 1448  
... ... @@ -1499,6 +1499,8 @@
1499 1499  
1500 1500  (((
1501 1501  
1510 +
1511 +
1502 1502  )))
1503 1503  
1504 1504  (((
... ... @@ -1530,6 +1530,8 @@
1530 1530  
1531 1531  (((
1532 1532  
1543 +
1544 +
1533 1533  )))
1534 1534  
1535 1535  (((
... ... @@ -1560,16 +1560,16 @@
1560 1560  )))
1561 1561  
1562 1562  
1575 +
1563 1563  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1564 1564  
1565 1565  
1566 -(% 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.
1567 1567  
1568 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1569 -
1570 1570  [[image:1653357531600-905.png]]
1571 1571  
1572 1572  
1584 +
1573 1573  === 3.6.4 Analog Input Interface ===
1574 1574  
1575 1575  
... ... @@ -1587,9 +1587,9 @@
1587 1587  
1588 1588  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1589 1589  
1590 -(% style="color:red" %)**Red:  12~~24v**
1602 +**Red:  12~~24v**
1591 1591  
1592 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1604 +**Yellow:  4~~20mA**
1593 1593  
1594 1594  **Black:  GND**
1595 1595  
... ... @@ -1601,13 +1601,12 @@
1601 1601  [[image:1653357648330-671.png||height="155" width="733"]]
1602 1602  
1603 1603  
1616 +
1604 1604  === 3.6.5 Relay Output ===
1605 1605  
1606 1606  
1607 1607  (((
1608 -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:
1609 -
1610 -**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:
1611 1611  )))
1612 1612  
1613 1613  [[image:image-20220524100215-9.png]]
... ... @@ -1616,6 +1616,7 @@
1616 1616  [[image:image-20220524100215-10.png||height="382" width="723"]]
1617 1617  
1618 1618  
1630 +
1619 1619  == 3.7 LEDs Indicators ==
1620 1620  
1621 1621  
... ... @@ -1622,8 +1622,10 @@
1622 1622  [[image:image-20220524100748-11.png]]
1623 1623  
1624 1624  
1637 +
1625 1625  = 4. Use AT Command =
1626 1626  
1640 +
1627 1627  == 4.1 Access AT Command ==
1628 1628  
1629 1629  
... ... @@ -1834,8 +1834,10 @@
1834 1834  )))
1835 1835  
1836 1836  
1851 +
1837 1837  == 4.2 Common AT Command Sequence ==
1838 1838  
1854 +
1839 1839  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1840 1840  
1841 1841  (((
... ... @@ -1880,6 +1880,7 @@
1880 1880  )))
1881 1881  
1882 1882  
1899 +
1883 1883  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1884 1884  
1885 1885  (((
... ... @@ -1952,7 +1952,7 @@
1952 1952  **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?
1953 1953  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1954 1954  
1955 -**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**
1956 1956  
1957 1957  
1958 1958  )))
... ... @@ -1965,11 +1965,12 @@
1965 1965  
1966 1966  )))
1967 1967  
1985 +
1968 1968  === 4.2.3 Change to Class A ===
1969 1969  
1970 1970  
1971 1971  (((
1972 -(% style="color:blue" %)**If sensor JOINED:**
1990 +(% style="color:blue" %)If sensor JOINED:
1973 1973  
1974 1974  (% style="background-color:#dcdcdc" %)**AT+CLASS=A
1975 1975  ATZ**
... ... @@ -1976,19 +1976,13 @@
1976 1976  )))
1977 1977  
1978 1978  
1979 -= 5. Case Study =
1980 1980  
1981 -== 5.1 Counting how many objects pass in Flow Line ==
1998 += 5. FAQ =
1982 1982  
1983 1983  
1984 -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? ==
1985 1985  
1986 1986  
1987 -= 6. FAQ =
1988 -
1989 -== 6.1 How to upgrade the image? ==
1990 -
1991 -
1992 1992  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1993 1993  
1994 1994  * Support new features
... ... @@ -2016,10 +2016,8 @@
2016 2016  
2017 2017   [[image:image-20220524103407-12.png]]
2018 2018  
2019 -
2020 2020  [[image:image-20220524103429-13.png]]
2021 2021  
2022 -
2023 2023  [[image:image-20220524104033-15.png]]
2024 2024  
2025 2025  
... ... @@ -2031,8 +2031,10 @@
2031 2031  
2032 2032  (((
2033 2033  (((
2034 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2044 +
2035 2035  
2046 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2047 +
2036 2036  
2037 2037  )))
2038 2038  )))
... ... @@ -2044,8 +2044,9 @@
2044 2044  (((
2045 2045  
2046 2046  
2047 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2048 2048  
2060 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2061 +
2049 2049  
2050 2050  )))
2051 2051  
... ... @@ -2059,6 +2059,7 @@
2059 2059  (((
2060 2060  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2061 2061  
2075 +
2062 2062  
2063 2063  )))
2064 2064  )))
... ... @@ -2107,29 +2107,26 @@
2107 2107  [[image:1653360498588-932.png||height="485" width="726"]]
2108 2108  
2109 2109  
2110 -== 6.4 How to change the uplink interval？ ==
2111 2111  
2125 +== 5.4 Can I see counting event in Serial? ==
2112 2112  
2113 -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/]]
2114 2114  
2115 -
2116 -== 6.5 Can I see counting event in Serial? ==
2117 -
2118 -
2119 2119  (((
2120 2120  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.
2121 2121  
2122 2122  
2123 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2124 2124  
2133 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2125 2125  
2126 -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]].
2127 2127  
2136 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2137 +
2138 +
2128 2128  
2129 2129  )))
2130 2130  
2131 2131  (((
2132 -== 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? ==
2133 2133  
2134 2134  
2135 2135  If the device is not shut down, but directly powered off.
... ... @@ -2141,9 +2141,10 @@
2141 2141  After restart, the status before power failure will be read from flash.
2142 2142  
2143 2143  
2144 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2145 2145  
2156 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2146 2146  
2158 +
2147 2147  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2148 2148  
2149 2149  
... ... @@ -2150,18 +2150,15 @@
2150 2150  [[image:image-20221006170630-1.png||height="610" width="945"]]
2151 2151  
2152 2152  
2153 -== 6.9 Can LT22222-L save RO state? ==
2154 2154  
2166 += 6. Trouble Shooting =
2155 2155  
2156 -Firmware version needs to be no less than 1.6.0.
2157 -
2158 -
2159 -= 7. Trouble Shooting =
2168 +
2160 2160  )))
2161 2161  
2162 2162  (((
2163 2163  (((
2164 -== 7.1 Downlink doesn't work, how to solve it? ==
2173 +== 6.1 Downlink doesn't work, how to solve it? ==
2165 2165  
2166 2166  
2167 2167  )))
... ... @@ -2174,8 +2174,9 @@
2174 2174  (((
2175 2175  
2176 2176  
2177 -== 7.2 Have trouble to upload image. ==
2178 2178  
2187 +== 6.2 Have trouble to upload image. ==
2188 +
2179 2179  
2180 2180  )))
2181 2181  
... ... @@ -2186,8 +2186,9 @@
2186 2186  (((
2187 2187  
2188 2188  
2189 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2190 2190  
2200 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2201 +
2191 2191  
2192 2192  )))
2193 2193  
... ... @@ -2196,9 +2196,10 @@
2196 2196  )))
2197 2197  
2198 2198  
2199 -= 8. Order Info =
2200 2200  
2211 += 7. Order Info =
2201 2201  
2213 +
2202 2202  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2203 2203  
2204 2204  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2213,7 +2213,7 @@
2213 2213  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2214 2214  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2215 2215  
2216 -= 9. Packing Info =
2228 += 8. Packing Info =
2217 2217  
2218 2218  
2219 2219  **Package Includes**:
... ... @@ -2230,7 +2230,7 @@
2230 2230  * Package Size / pcs : 14.5 x 8 x 5 cm
2231 2231  * Weight / pcs : 170g
2232 2232  
2233 -= 10. Support =
2245 += 9. Support =
2234 2234  
2235 2235  
2236 2236  * (((
... ... @@ -2240,10 +2240,11 @@
2240 2240  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]]
2241 2241  
2242 2242  
2255 +
2243 2243  
2244 2244  )))
2245 2245  
2246 -= 11. Reference​​​​​ =
2259 += 10. Reference​​​​​ =
2247 2247  
2248 2248  
2249 2249  * 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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