Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.3 >
edited by Xiaoling
on 2023/05/17 10:48
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  
... ... @@ -314,42 +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  
319 +
320 +
321 +
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
326 +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  
329 +[[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  
337 +[[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 +390,9 @@
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  
378 +
379 +
380 +
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
... ... @@ -463,6 +463,7 @@
463 463  )))
464 464  
465 465  
454 +
466 466  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
467 467  
468 468  
... ... @@ -509,6 +509,7 @@
509 509  )))
510 510  
511 511  
501 +
512 512  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
513 513  
514 514  
... ... @@ -577,6 +577,7 @@
577 577  )))
578 578  
579 579  
570 +
580 580  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
581 581  
582 582  
... ... @@ -624,6 +624,7 @@
624 624  )))
625 625  
626 626  
618 +
627 627  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
628 628  
629 629  
... ... @@ -678,6 +678,7 @@
678 678  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
679 679  
680 680  
673 +
681 681  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
682 682  
683 683  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -738,6 +738,7 @@
738 738  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
739 739  
740 740  
734 +
741 741  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
742 742  
743 743  [[image:image-20220524090456-4.png]]
... ... @@ -751,6 +751,7 @@
751 751  00000101: Means both DI1 and DI2 trigger are enabled.
752 752  
753 753  
748 +
754 754  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
755 755  
756 756  Downlink command to poll MOD6 status:
... ... @@ -760,6 +760,7 @@
760 760  When device got this command, it will send the MOD6 payload.
761 761  
762 762  
758 +
763 763  === 3.3.7 Payload Decoder ===
764 764  
765 765  (((
... ... @@ -769,6 +769,7 @@
769 769  )))
770 770  
771 771  
768 +
772 772  == 3.4 ​Configure LT via AT or Downlink ==
773 773  
774 774  
... ... @@ -786,6 +786,8 @@
786 786  
787 787  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
788 788  
786 +
787 +
789 789  === 3.4.1 Common Commands ===
790 790  
791 791  
... ... @@ -794,8 +794,10 @@
794 794  )))
795 795  
796 796  
796 +
797 797  === 3.4.2 Sensor related commands ===
798 798  
799 +
799 799  ==== 3.4.2.1 Set Transmit Interval ====
800 800  
801 801  
... ... @@ -803,7 +803,7 @@
803 803  
804 804  * (% style="color:#037691" %)**AT Command:**
805 805  
806 -(% style="color:blue" %)**AT+TDC=N **
807 +**(% style="color:blue" %)AT+TDC=N **
807 807  
808 808  
809 809  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -811,10 +811,11 @@
811 811  
812 812  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
813 813  
814 -(% 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)**
815 815  
816 816  
817 817  
819 +
818 818  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
819 819  
820 820  
... ... @@ -822,7 +822,7 @@
822 822  
823 823  * (% style="color:#037691" %)**AT Command:**
824 824  
825 -(% style="color:blue" %)**AT+MOD=N  **
827 +**(% style="color:blue" %)AT+MOD=N  **
826 826  
827 827  
828 828  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -830,10 +830,11 @@
830 830  
831 831  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
832 832  
833 -(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
835 +**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
834 834  
835 835  
836 836  
839 +
837 837  ==== 3.4.2.3 Poll an uplink ====
838 838  
839 839  
... ... @@ -844,7 +844,7 @@
844 844  
845 845  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
846 846  
847 -(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
850 +**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
848 848  
849 849  
850 850  **Example**: 0x08FF, ask device to send an Uplink
... ... @@ -851,6 +851,7 @@
851 851  
852 852  
853 853  
857 +
854 854  ==== 3.4.2.4 Enable Trigger Mode ====
855 855  
856 856  
... ... @@ -858,19 +858,20 @@
858 858  
859 859  * (% style="color:#037691" %)**AT Command:**
860 860  
861 -(% style="color:blue" %)**AT+ADDMOD6=1 or 0**
865 +**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
862 862  
863 -(% style="color:red" %)**1:** (%%)Enable Trigger Mode
867 +**(% style="color:red" %)1:** Enable Trigger Mode
864 864  
865 -(% style="color:red" %)**0: **(%%)Disable Trigger Mode
869 +**(% style="color:red" %)0: **Disable Trigger Mode
866 866  
867 867  
868 868  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
869 869  
870 -(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
874 +**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
871 871  
872 872  
873 873  
878 +
874 874  ==== 3.4.2.5 Poll trigger settings ====
875 875  
876 876  
... ... @@ -883,10 +883,11 @@
883 883  
884 884  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
885 885  
886 -(% 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
887 887  
888 888  
889 889  
895 +
890 890  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
891 891  
892 892  
... ... @@ -894,7 +894,7 @@
894 894  
895 895  * (% style="color:#037691" %)**AT Command:**
896 896  
897 -(% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
903 +**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
898 898  
899 899  
900 900  **Example:**
... ... @@ -903,10 +903,11 @@
903 903  
904 904  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
905 905  
906 -(% 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
907 907  
908 908  
909 909  
916 +
910 910  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
911 911  
912 912  
... ... @@ -914,11 +914,11 @@
914 914  
915 915  * (% style="color:#037691" %)**AT Command:**
916 916  
917 -(% style="color:blue" %)**AT+TRIG1=a,b**
924 +**(% style="color:blue" %)AT+TRIG1=a,b**
918 918  
919 -(% 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).
920 920  
921 -(% style="color:red" %)**b :** (%%)delay timing.
928 +**(% style="color:red" %)b :** (%%)delay timing.
922 922  
923 923  
924 924  **Example:**
... ... @@ -927,8 +927,8 @@
927 927  
928 928  
929 929  * (% 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)
930 930  
931 -(% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
932 932  
933 933  
934 934  
... ... @@ -939,13 +939,14 @@
939 939  
940 940  * (% style="color:#037691" %)**AT Command:**
941 941  
942 -(% style="color:blue" %)**AT+TRIG2=a,b**
949 +**(% style="color:blue" %)AT+TRIG2=a,b**
943 943  
944 -(% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
945 945  
946 -(% 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).
947 947  
954 +**(% style="color:red" %)b :** (%%)delay timing.
948 948  
956 +
949 949  **Example:**
950 950  
951 951  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
... ... @@ -953,10 +953,11 @@
953 953  
954 954  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
955 955  
956 -(% 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)
957 957  
958 958  
959 959  
968 +
960 960  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
961 961  
962 962  
... ... @@ -964,15 +964,16 @@
964 964  
965 965  * (% style="color:#037691" %)**AT Command**
966 966  
967 -(% style="color:blue" %)**AT+ACLIM**
976 +**(% style="color:blue" %)AT+ACLIM**
968 968  
969 969  
970 970  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
971 971  
972 -(% 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"]]
973 973  
974 974  
975 975  
985 +
976 976  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
977 977  
978 978  
... ... @@ -980,15 +980,16 @@
980 980  
981 981  * (% style="color:#037691" %)**AT Command**
982 982  
983 -(% 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"]]**
984 984  
985 985  
986 986  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
987 987  
988 -(% 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"]]
989 989  
990 990  
991 991  
1002 +
992 992  ==== 3.4.2.11 Trigger – Set minimum interval ====
993 993  
994 994  
... ... @@ -996,12 +996,12 @@
996 996  
997 997  * (% style="color:#037691" %)**AT Command**
998 998  
999 -(% 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.
1000 1000  
1001 1001  
1002 1002  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
1003 1003  
1004 -(% 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)
1005 1005  
1006 1006  (((
1007 1007  
... ... @@ -1011,6 +1011,7 @@
1011 1011  
1012 1012  
1013 1013  
1025 +
1014 1014  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1015 1015  
1016 1016  
... ... @@ -1020,7 +1020,7 @@
1020 1020  
1021 1021  
1022 1022  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
1023 -* (% 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
1024 1024  
1025 1025  (((
1026 1026  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
... ... @@ -1042,6 +1042,7 @@
1042 1042  
1043 1043  
1044 1044  
1057 +
1045 1045  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1046 1046  
1047 1047  
... ... @@ -1052,7 +1052,7 @@
1052 1052  
1053 1053  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1054 1054  
1055 -(% 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
1056 1056  
1057 1057  
1058 1058  This is to control the digital output time of DO pin. Include four bytes:
... ... @@ -1085,14 +1085,6 @@
1085 1085  
1086 1086   Latching time. Unit: ms
1087 1087  
1088 -
1089 -(% style="color:red" %)**Note: **
1090 -
1091 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1092 -
1093 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1094 -
1095 -
1096 1096  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1097 1097  
1098 1098  
... ... @@ -1116,9 +1116,10 @@
1116 1116  
1117 1117  
1118 1118  
1119 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1120 1120  
1125 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1121 1121  
1127 +
1122 1122  * (% style="color:#037691" %)**AT Command:**
1123 1123  
1124 1124  There is no AT Command to control Relay Output
... ... @@ -1126,7 +1126,7 @@
1126 1126  
1127 1127  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1128 1128  
1129 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1135 +**(% style="color:blue" %)0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1130 1130  
1131 1131  
1132 1132  (((
... ... @@ -1138,7 +1138,7 @@
1138 1138  )))
1139 1139  
1140 1140  (((
1141 -[[image:image-20230426161322-1.png]]
1147 +[[image:image-20220524093724-9.png]]
1142 1142  )))
1143 1143  
1144 1144  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1145,6 +1145,7 @@
1145 1145  
1146 1146  
1147 1147  
1154 +
1148 1148  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1149 1149  
1150 1150  
... ... @@ -1155,7 +1155,7 @@
1155 1155  
1156 1156  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1157 1157  
1158 -(% 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
1159 1159  
1160 1160  
1161 1161  This is to control the relay output time of relay. Include four bytes:
... ... @@ -1176,20 +1176,12 @@
1176 1176  
1177 1177  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1178 1178  
1179 -
1180 -(% style="color:red" %)**Note:**
1181 -
1182 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1183 -
1184 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1185 -
1186 -
1187 1187  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1188 1188  
1189 1189  
1190 1190  **Example payload:**
1191 1191  
1192 -**~1. 05 01 11 07 D0**
1191 +**~1. 05 01 11 07 D**
1193 1193  
1194 1194  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1195 1195  
... ... @@ -1214,33 +1214,35 @@
1214 1214  
1215 1215  * (% style="color:#037691" %)**AT Command:**
1216 1216  
1217 -(% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1216 +**(% style="color:blue" %)AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1218 1218  
1219 1219  
1220 1220  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1221 1221  
1222 -(% 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
1223 1223  
1224 1224  
1225 1225  
1225 +
1226 1226  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1227 1227  
1228 1228  
1229 1229  * (% style="color:#037691" %)**AT Command:**
1230 1230  
1231 -(% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1231 +**(% style="color:blue" %)AT+SETCNT=aa,(bb cc dd ee) **
1232 1232  
1233 -(% 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
1234 1234  
1235 -(% style="color:red" %)**bb cc dd ee: **(%%)number to be set
1235 +**(% style="color:red" %)bb cc dd ee: **(%%)number to be set
1236 1236  
1237 1237  
1238 1238  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1239 1239  
1240 -(% 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)
1241 1241  
1242 1242  
1243 1243  
1244 +
1244 1244  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1245 1245  
1246 1246  
... ... @@ -1248,26 +1248,27 @@
1248 1248  
1249 1249  * (% style="color:#037691" %)**AT Command:**
1250 1250  
1251 -(% style="color:blue" %)**AT+CLRCOUNT **(%%) ~/~/ clear all counting
1252 +**(% style="color:blue" %)AT+CLRCOUNT **(%%) ~/~/ clear all counting
1252 1252  
1253 1253  
1254 1254  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1255 1255  
1256 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1257 +**(% style="color:blue" %)0x A6 01    ** (%%)~/~/ clear all counting
1257 1257  
1258 1258  
1259 1259  
1261 +
1260 1260  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1261 1261  
1262 1262  
1263 1263  * (% style="color:#037691" %)**AT Command:**
1264 1264  
1265 -(% 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)
1266 1266  
1267 1267  
1268 1268  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1269 1269  
1270 -(% 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,
1271 1271  
1272 1272  (((
1273 1273  range: aa bb cc:0 to 16777215,  (unit:second)
... ... @@ -1275,20 +1275,22 @@
1275 1275  
1276 1276  
1277 1277  
1278 -==== 3.4.2.20 Reset save RO DO state ====
1279 1279  
1281 +==== 3.4.2.20 Reset save DR DO state ====
1280 1280  
1283 +
1281 1281  * (% style="color:#037691" %)**AT Command:**
1282 1282  
1283 -(% 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)
1284 1284  
1285 -(% 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.
1286 1286  
1287 1287  
1288 1288  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1289 1289  
1290 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1293 +**(% style="color:blue" %)0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1291 1291  
1295 +
1292 1292  
1293 1293  
1294 1294  ==== 3.4.2.21 Encrypted payload ====
... ... @@ -1296,56 +1296,60 @@
1296 1296  
1297 1297  * (% style="color:#037691" %)**AT Command:**
1298 1298  
1299 -(% 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
1300 1300  
1301 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1305 +**(% style="color:blue" %)AT+DECRYPT=0  **(%%)~/~/Encrypt when uploading payload (default)
1302 1302  
1303 1303  
1304 1304  
1309 +
1305 1305  ==== 3.4.2.22 Get sensor value ====
1306 1306  
1307 1307  
1308 1308  * (% style="color:#037691" %)**AT Command:**
1309 1309  
1310 -(% 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
1311 1311  
1312 -(% 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.
1313 1313  
1314 1314  
1315 1315  
1321 +
1316 1316  ==== 3.4.2.23 Resets the downlink packet count ====
1317 1317  
1318 1318  
1319 1319  * (% style="color:#037691" %)**AT Command:**
1320 1320  
1321 -(% 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)
1322 1322  
1323 -(% 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.
1324 1324  
1325 1325  
1326 1326  
1333 +
1327 1327  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1328 1328  
1329 1329  
1330 1330  * (% style="color:#037691" %)**AT Command:**
1331 1331  
1332 -(% 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)
1333 1333  
1334 -(% 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.
1335 1335  
1336 1336  
1337 1337  * (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1338 1338  
1339 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1346 +**(% style="color:blue" %)0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1340 1340  
1341 1341  
1342 1342  
1350 +
1343 1343  ==== 3.4.2.25 Copy downlink to uplink ====
1344 1344  
1345 1345  
1346 1346  * (% style="color:#037691" %)**AT Command**(%%)**:**
1347 1347  
1348 -(% 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.
1349 1349  
1350 1350  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.
1351 1351  
... ... @@ -1368,7 +1368,7 @@
1368 1368  * (((
1369 1369  (% style="color:#037691" %)**Downlink Payload**(%%)**:**
1370 1370  
1371 -(% 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.
1372 1372  
1373 1373  
1374 1374  )))
... ... @@ -1378,6 +1378,9 @@
1378 1378  [[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"]]
1379 1379  
1380 1380  
1389 +
1390 +)))
1391 +
1381 1381  == 3.5 Integrate with Mydevice ==
1382 1382  
1383 1383  
... ... @@ -1427,8 +1427,10 @@
1427 1427  [[image:image-20220524094909-5.png||height="341" width="734"]]
1428 1428  
1429 1429  
1441 +
1430 1430  == 3.6 Interface Detail ==
1431 1431  
1444 +
1432 1432  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1433 1433  
1434 1434  
... ... @@ -1437,6 +1437,7 @@
1437 1437  [[image:1653356991268-289.png]]
1438 1438  
1439 1439  
1453 +
1440 1440  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1441 1441  
1442 1442  
... ... @@ -1493,6 +1493,8 @@
1493 1493  
1494 1494  (((
1495 1495  
1510 +
1511 +
1496 1496  )))
1497 1497  
1498 1498  (((
... ... @@ -1524,6 +1524,8 @@
1524 1524  
1525 1525  (((
1526 1526  
1543 +
1544 +
1527 1527  )))
1528 1528  
1529 1529  (((
... ... @@ -1554,16 +1554,16 @@
1554 1554  )))
1555 1555  
1556 1556  
1575 +
1557 1557  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1558 1558  
1559 1559  
1560 -(% 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.
1561 1561  
1562 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1563 -
1564 1564  [[image:1653357531600-905.png]]
1565 1565  
1566 1566  
1584 +
1567 1567  === 3.6.4 Analog Input Interface ===
1568 1568  
1569 1569  
... ... @@ -1581,9 +1581,9 @@
1581 1581  
1582 1582  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1583 1583  
1584 -(% style="color:red" %)**Red:  12~~24v**
1602 +**Red:  12~~24v**
1585 1585  
1586 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1604 +**Yellow:  4~~20mA**
1587 1587  
1588 1588  **Black:  GND**
1589 1589  
... ... @@ -1595,13 +1595,12 @@
1595 1595  [[image:1653357648330-671.png||height="155" width="733"]]
1596 1596  
1597 1597  
1616 +
1598 1598  === 3.6.5 Relay Output ===
1599 1599  
1600 1600  
1601 1601  (((
1602 -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:
1603 -
1604 -**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:
1605 1605  )))
1606 1606  
1607 1607  [[image:image-20220524100215-9.png]]
... ... @@ -1610,6 +1610,7 @@
1610 1610  [[image:image-20220524100215-10.png||height="382" width="723"]]
1611 1611  
1612 1612  
1630 +
1613 1613  == 3.7 LEDs Indicators ==
1614 1614  
1615 1615  
... ... @@ -1616,8 +1616,10 @@
1616 1616  [[image:image-20220524100748-11.png]]
1617 1617  
1618 1618  
1637 +
1619 1619  = 4. Use AT Command =
1620 1620  
1640 +
1621 1621  == 4.1 Access AT Command ==
1622 1622  
1623 1623  
... ... @@ -1828,8 +1828,10 @@
1828 1828  )))
1829 1829  
1830 1830  
1851 +
1831 1831  == 4.2 Common AT Command Sequence ==
1832 1832  
1854 +
1833 1833  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1834 1834  
1835 1835  (((
... ... @@ -1874,6 +1874,7 @@
1874 1874  )))
1875 1875  
1876 1876  
1899 +
1877 1877  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1878 1878  
1879 1879  (((
... ... @@ -1946,7 +1946,7 @@
1946 1946  **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?
1947 1947  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1948 1948  
1949 -**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**
1950 1950  
1951 1951  
1952 1952  )))
... ... @@ -1959,11 +1959,12 @@
1959 1959  
1960 1960  )))
1961 1961  
1985 +
1962 1962  === 4.2.3 Change to Class A ===
1963 1963  
1964 1964  
1965 1965  (((
1966 -(% style="color:blue" %)**If sensor JOINED:**
1990 +(% style="color:blue" %)If sensor JOINED:
1967 1967  
1968 1968  (% style="background-color:#dcdcdc" %)**AT+CLASS=A
1969 1969  ATZ**
... ... @@ -1970,19 +1970,13 @@
1970 1970  )))
1971 1971  
1972 1972  
1973 -= 5. Case Study =
1974 1974  
1975 -== 5.1 Counting how many objects pass in Flow Line ==
1998 += 5. FAQ =
1976 1976  
1977 1977  
1978 -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? ==
1979 1979  
1980 1980  
1981 -= 6. FAQ =
1982 -
1983 -== 6.1 How to upgrade the image? ==
1984 -
1985 -
1986 1986  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1987 1987  
1988 1988  * Support new features
... ... @@ -2010,10 +2010,8 @@
2010 2010  
2011 2011   [[image:image-20220524103407-12.png]]
2012 2012  
2013 -
2014 2014  [[image:image-20220524103429-13.png]]
2015 2015  
2016 -
2017 2017  [[image:image-20220524104033-15.png]]
2018 2018  
2019 2019  
... ... @@ -2025,8 +2025,10 @@
2025 2025  
2026 2026  (((
2027 2027  (((
2028 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2044 +
2029 2029  
2046 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2047 +
2030 2030  
2031 2031  )))
2032 2032  )))
... ... @@ -2038,8 +2038,9 @@
2038 2038  (((
2039 2039  
2040 2040  
2041 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2042 2042  
2060 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2061 +
2043 2043  
2044 2044  )))
2045 2045  
... ... @@ -2053,6 +2053,7 @@
2053 2053  (((
2054 2054  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2055 2055  
2075 +
2056 2056  
2057 2057  )))
2058 2058  )))
... ... @@ -2101,29 +2101,26 @@
2101 2101  [[image:1653360498588-932.png||height="485" width="726"]]
2102 2102  
2103 2103  
2104 -== 6.4 How to change the uplink interval？ ==
2105 2105  
2125 +== 5.4 Can I see counting event in Serial? ==
2106 2106  
2107 -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/]]
2108 2108  
2109 -
2110 -== 6.5 Can I see counting event in Serial? ==
2111 -
2112 -
2113 2113  (((
2114 2114  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.
2115 2115  
2116 2116  
2117 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2118 2118  
2133 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2119 2119  
2120 -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]].
2121 2121  
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 +
2122 2122  
2123 2123  )))
2124 2124  
2125 2125  (((
2126 -== 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? ==
2127 2127  
2128 2128  
2129 2129  If the device is not shut down, but directly powered off.
... ... @@ -2135,9 +2135,10 @@
2135 2135  After restart, the status before power failure will be read from flash.
2136 2136  
2137 2137  
2138 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2139 2139  
2156 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2140 2140  
2158 +
2141 2141  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2142 2142  
2143 2143  
... ... @@ -2144,18 +2144,15 @@
2144 2144  [[image:image-20221006170630-1.png||height="610" width="945"]]
2145 2145  
2146 2146  
2147 -== 6.9 Can LT22222-L save RO state? ==
2148 2148  
2166 += 6. Trouble Shooting =
2149 2149  
2150 -Firmware version needs to be no less than 1.6.0.
2151 -
2152 -
2153 -= 7. Trouble Shooting =
2168 +
2154 2154  )))
2155 2155  
2156 2156  (((
2157 2157  (((
2158 -== 7.1 Downlink doesn't work, how to solve it? ==
2173 +== 6.1 Downlink doesn't work, how to solve it? ==
2159 2159  
2160 2160  
2161 2161  )))
... ... @@ -2168,8 +2168,9 @@
2168 2168  (((
2169 2169  
2170 2170  
2171 -== 7.2 Have trouble to upload image. ==
2172 2172  
2187 +== 6.2 Have trouble to upload image. ==
2188 +
2173 2173  
2174 2174  )))
2175 2175  
... ... @@ -2180,8 +2180,9 @@
2180 2180  (((
2181 2181  
2182 2182  
2183 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2184 2184  
2200 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2201 +
2185 2185  
2186 2186  )))
2187 2187  
... ... @@ -2190,9 +2190,10 @@
2190 2190  )))
2191 2191  
2192 2192  
2193 -= 8. Order Info =
2194 2194  
2211 += 7. Order Info =
2195 2195  
2213 +
2196 2196  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2197 2197  
2198 2198  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2207,7 +2207,7 @@
2207 2207  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2208 2208  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2209 2209  
2210 -= 9. Packing Info =
2228 += 8. Packing Info =
2211 2211  
2212 2212  
2213 2213  **Package Includes**:
... ... @@ -2224,7 +2224,7 @@
2224 2224  * Package Size / pcs : 14.5 x 8 x 5 cm
2225 2225  * Weight / pcs : 170g
2226 2226  
2227 -= 10. Support =
2245 += 9. Support =
2228 2228  
2229 2229  
2230 2230  * (((
... ... @@ -2234,10 +2234,11 @@
2234 2234  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]]
2235 2235  
2236 2236  
2255 +
2237 2237  
2238 2238  )))
2239 2239  
2240 -= 11. Reference​​​​​ =
2259 += 10. Reference​​​​​ =
2241 2241  
2242 2242  
2243 2243  * 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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