Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 199.1 >
edited by Dilisi S
on 2024/11/17 20:25
To version < 189.1 >
edited by Dilisi S
on 2024/11/12 04:05
>
Change comment: Uploaded new attachment "usb-ttl-programming.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -23,10 +23,6 @@
23 23  
24 24  (((
25 25  (((
26 -{{info}}
27 -**This manual is also applicable to the LT-33222-L.**
28 -{{/info}}
29 -
30 30  The Dragino (% style="color:blue" %)**LT-22222-L I/O Controller**(%%) is an advanced LoRaWAN device designed to provide seamless wireless long-range connectivity with various I/O options, including analog current and voltage inputs, digital inputs and outputs, and relay outputs.
31 31  
32 32  The LT-22222-L I/O Controller simplifies and enhances I/O monitoring and controlling. It is ideal for professional applications in wireless sensor networks, including irrigation systems, smart metering, smart cities, building automation, and more. These controllers are designed for easy, cost-effective deployment using LoRa wireless technology.
... ... @@ -115,8 +115,25 @@
115 115  * Smart cities
116 116  * Smart factory
117 117  
118 -== 2. Assembling the device ==
114 +== 1.5 Hardware Variants ==
119 119  
116 +
117 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
118 +|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
119 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
120 +(% style="text-align:center" %)
121 +[[image:image-20230424115112-1.png||height="106" width="58"]]
122 +)))|(% style="width:334px" %)(((
123 +* 2 x Digital Input (Bi-direction)
124 +* 2 x Digital Output
125 +* 2 x Relay Output (5A@250VAC / 30VDC)
126 +* 2 x 0~~20mA Analog Input (res:0.01mA)
127 +* 2 x 0~~30V Analog Input (res:0.01v)
128 +* 1 x Counting Port
129 +)))
130 +
131 += 2. Assembling the device =
132 +
120 120  == 2.1 Connecting the antenna ==
121 121  
122 122  Connect the LoRa antenna to the antenna connector, **ANT**,** **located on the top right side of the device, next to the upper screw terminal block. Secure the antenna by tightening it clockwise.
... ... @@ -281,10 +281,10 @@
281 281  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
282 282  
283 283  
284 -== 3.3 Working Modes and Uplink Payload formats ==
297 +== 3.3 Work Modes and Uplink Payload formats ==
285 285  
286 286  
287 -The LT-22222-L has 5 **working modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any working mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
300 +The LT-22222-L has 5 **work modes**. It also has an interrupt/trigger mode for different types of applications that can be used together with any work mode as an additional feature. The default mode is MOD1 and you can switch between these modes using AT commands.
288 288  
289 289  * (% style="color:blue" %)**MOD1**(%%): (default mode/factory set): 2ACI + 2AVI + DI + DO + RO
290 290  
... ... @@ -298,7 +298,7 @@
298 298  
299 299  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
300 300  
301 -The uplink messages are sent over LoRaWAN FPort=2. By default, an uplink message is sent every 10 minutes.
314 +The uplink messages are sent over LoRaWAN FPort 2. By default, an uplink message is sent every 10 minutes.
302 302  
303 303  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
304 304  
... ... @@ -307,7 +307,7 @@
307 307  
308 308  The uplink payload is 11 bytes long.
309 309  
310 -(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
323 +(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
311 311  The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
312 312  It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
313 313  
... ... @@ -367,13 +367,9 @@
367 367  * [1] DO2 channel output is LOW, and the DO2 LED is ON.
368 368  * [0] DO1 channel output state:
369 369  ** DO1 is FLOATING when there is no load between DO1 and V+.
370 -** DO1 is HIGH and there is a load between DO1 and V+.
383 +** DO1 is HIGH when there is a load between DO1 and V+.
371 371  ** DO1 LED is OFF in both cases.
372 372  
373 -Reserve = 0
374 -
375 -MOD = 1
376 -
377 377  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
378 378  
379 379  
... ... @@ -629,27 +629,24 @@
629 629  )))
630 630  
631 631  
632 -=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
641 +=== 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
633 633  
634 634  
635 -(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate __alongside__ with other modes.**
644 +(% style="color:#4f81bd" %)**This mode is optional and intended for trigger purposes. It can operate together with other modes.**
636 636  
637 -For example, if you configure the following commands:
646 +For example, if you configured the following commands:
638 638  
639 -* **AT+MOD=1 ** **~-~->**  Sets the default working mode
640 -* **AT+ADDMOD6=1**   **~-~->**  Enables trigger mode
648 +* **AT+MOD=1 ** **~-~->**  The default work mode
649 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
641 641  
642 -The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. It will send uplink packets in two cases:
651 +The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
643 643  
644 -1. Periodic uplink: Based on TDC time. The payload is the same as in normal mode (MOD=1 as set above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
653 +1. Periodically uplink (Based on TDC time). The payload is the same as in normal mode (MOD=1 for the commands above). These are (% style="color:#4f81bd" %)**unconfirmed**(%%) uplinks.
645 645  1. (((
646 -Trigger uplink: sent when a trigger condition is met. In this case, LT will send two packets
647 -
648 -* The first uplink uses the payload specified in trigger mode (MOD=6).
649 -* The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
655 +Trigger uplink when the trigger condition is met. LT will send two packets in this case. The first uplink uses the payload specified in trigger mode (MOD=6). The second packet uses the normal mode payload (MOD=1 as set above). Both are (% style="color:#4f81bd" %)**confirmed uplinks.**
650 650  )))
651 651  
652 -(% style="color:#037691" %)**AT Commands to set Trigger Conditions**:
658 +(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
653 653  
654 654  (% style="color:#4f81bd" %)**Trigger based on voltage**:
655 655  
... ... @@ -658,9 +658,9 @@
658 658  
659 659  **Example:**
660 660  
661 -AT+AVLIM=3000,6000,0,2000 (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
667 +AT+AVLIM=3000,6000,0,2000   (triggers an uplink if AVI1 voltage is lower than 3V or higher than 6V, or if AV2 voltage is higher than 2V)
662 662  
663 -AT+AVLIM=5000,0,0,0 (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
669 +AT+AVLIM=5000,0,0,0   (triggers an uplink if AVI1 voltage lower than 5V. Use 0 for parameters that are not in use)
664 664  
665 665  
666 666  (% style="color:#4f81bd" %)**Trigger based on current**:
... ... @@ -670,7 +670,7 @@
670 670  
671 671  **Example:**
672 672  
673 -AT+ACLIM=10000,15000,0,0 (triggers an uplink if AC1 current is lower than 10mA or higher than 15mA)
679 +AT+ACLIM=10000,15000,0,0   (triggers an uplink if ACI1 voltage is lower than 10mA or higher than 15mA)
674 674  
675 675  
676 676  (% style="color:#4f81bd" %)**Trigger based on DI status**:
... ... @@ -790,9 +790,9 @@
790 790  
791 791  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
792 792  
793 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:674px" %)
794 -|(% style="width:64px" %)**bit 7**|(% style="width:68px" %)**bit 6**|(% style="width:63px" %)**bit 5**|(% style="width:66px" %)**bit 4**|(% style="width:109px" %)**bit 3**|(% style="width:93px" %)**bit 2**|(% style="width:109px" %)**bit 1**|(% style="width:99px" %)**bit 0**
795 -|(% style="width:64px" %)N/A|(% style="width:68px" %)N/A|(% style="width:63px" %)N/A|(% style="width:66px" %)N/A|(% style="width:109px" %)DI2_STATUS|(% style="width:93px" %)DI2_FLAG|(% style="width:109px" %)DI1_STATUS|(% style="width:99px" %)DI1_FLAG
799 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
800 +|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
801 +|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
796 796  
797 797  * Each bits shows which status has been triggered on this uplink.
798 798  
... ... @@ -847,7 +847,6 @@
847 847  
848 848  These commands are specially designed for the LT-22222-L. Commands can be sent to the device using options such as an AT command or a LoRaWAN downlink payload.
849 849  
850 -
851 851  ==== 3.4.2.1 Set Transmit Interval ====
852 852  
853 853  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
... ... @@ -854,10 +854,10 @@
854 854  
855 855  (% style="color:#037691" %)**AT command**
856 856  
857 -(% border="2" style="width:500px" %)
858 -|**Command**|AT+TDC=<time>
862 +(% style="width:500px" %)
863 +|**Command**|AT+TDC<time>
859 859  |**Response**|
860 -|**Parameters**|**time** : uplink interval is in milliseconds
865 +|**Parameters**|<time> uplink interval is in milliseconds
861 861  |**Example**|(((
862 862  AT+TDC=30000
863 863  
... ... @@ -866,14 +866,14 @@
866 866  
867 867  (% style="color:#037691" %)**Downlink payload**
868 868  
869 -(% border="2" style="width:500px" %)
874 +(% style="width:500px" %)
870 870  |**Payload**|(((
871 871  <prefix><time>
872 872  )))
873 873  |**Parameters**|(((
874 -**prefix** : 0x01
879 +<prefix> 0x01
875 875  
876 -**time** : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
881 +<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
877 877  )))
878 878  |**Example**|(((
879 879  01 **00 75 30**
... ... @@ -885,181 +885,85 @@
885 885  See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
886 886  )))
887 887  
888 -==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
893 +==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
889 889  
890 -Sets the working mode.
891 891  
892 -(% style="color:#037691" %)**AT command**
896 +Sets the work mode.
893 893  
894 -(% border="2" style="width:500px" %)
895 -|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE=<working_mode>
896 -|(% style="width:97px" %)**Response**|(% style="width:413px" %)
897 -|(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
898 -**working_mode** :
898 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
899 899  
900 -1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
900 +Where N is the work mode.
901 901  
902 -2 = Double DI Counting + DO + RO
902 +**Example**: AT+MOD=2. This will set the work mode to Double DI counting mode.
903 903  
904 -3 = Single DI Counting + 2 x ACI + DO + RO
905 905  
906 -4 = Single DI Counting + 1 x Voltage Counting + DO + RO
905 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
907 907  
908 -5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
907 +(% style="color:blue" %)**0x0A aa  **(%%)** ** ~/~/ Same as AT+MOD=aa
909 909  
910 -6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
911 -)))
912 -|(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
913 -AT+MOD=2
914 914  
915 -Sets the device to working mode 2 (Double DI Counting + DO + RO)
916 -)))
917 917  
918 -(% class="wikigeneratedid" %)
919 -(% style="color:#037691" %)**Downlink payload**
911 +==== 3.4.2.3 Poll an uplink ====
920 920  
921 -(% border="2" style="width:500px" %)
922 -|(% style="width:98px" %)**Payload**|(% style="width:400px" %)<prefix><working_mode>
923 -|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
924 -**prefix** : 0x0A
913 +Requests the device to send an uplink.
925 925  
926 -**working_mode** : Working mode, represented by 1 byte in hexadecimal.
927 -)))
928 -|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
929 -0A **02**
930 930  
931 -Sets the device to working mode 2 (Double DI Counting + DO + RO)
932 -)))
916 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
933 933  
934 -==== 3.4.2.3 Poll an uplink ====
918 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
935 935  
936 -Requests an uplink from LT-22222-L.
920 +(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
937 937  
938 -(% style="color:#037691" %)**AT command**
922 +**Example**: 0x08FF, ask device to send an Uplink
939 939  
940 -There is no AT Command to request an uplink from LT-22222-L
941 941  
942 -(% style="color:#037691" %)**Downlink payload**
943 943  
944 -(% border="2" style="width:500px" %)
945 -|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
946 -|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
947 -|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
948 -08 FF
949 -
950 -Requests an uplink from LT-22222-L.
951 -)))
952 -
953 953  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
954 954  
955 -Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
928 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
956 956  
957 -(% style="color:#037691" %)**AT Command**
930 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
958 958  
959 -(% border="2" style="width:500px" %)
960 -|(% style="width:95px" %)**Command**|(% style="width:403px" %)AT+ADDMOD6=<enable/disable trigger_mode>
961 -|(% style="width:95px" %)**Response**|(% style="width:403px" %)
962 -|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)(((
963 -**enable/disable trigger_mode** :
932 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
964 964  
965 -1 = enable trigger mode
934 +(% style="color:red" %)**0: **(%%)Disable the trigger mode
966 966  
967 -0 = disable trigger mode
968 -)))
969 -|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
970 -AT+ADDMOD6=1
971 971  
972 -Enable trigger mode for the current working mode
973 -)))
937 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
974 974  
975 -(% style="color:#037691" %)**Downlink payload**
939 +(% style="color:blue" %)**0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
976 976  
977 -(% border="2" style="width:500px" %)
978 -|(% style="width:97px" %)**Payload**|(% style="width:401px" %)<prefix><enable/disable trigger_mode>
979 -|(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
980 -**prefix** : 0x0A 06
981 981  
982 -**working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
983 -)))
984 -|(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
985 -0A 06 **01**
986 986  
987 -Enable trigger mode for the current working mode
988 -)))
989 -
990 990  ==== 3.4.2.5 Poll trigger settings ====
991 991  
992 992  Polls the trigger settings.
993 993  
994 -(% style="color:#037691" %)**AT Command:**
947 +* (% style="color:#037691" %)**AT Command:**
995 995  
996 996  There is no AT Command for this feature.
997 997  
998 -(% style="color:#037691" %)**Downlink Payload**
951 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
999 999  
1000 -(% border="2" style="width:500px" %)
1001 -|(% style="width:95px" %)**Payload**|(% style="width:403px" %)<prefix>
1002 -|(% style="width:95px" %)**Parameters**|(% style="width:403px" %)**prefix **: AB 06
1003 -|(% style="width:95px" %)**Example**|(% style="width:403px" %)(((
1004 -AB 06
953 +(% style="color:blue" %)**0xAB 06  ** (%%) ~/~/ Poll the trigger settings. Device will uplink trigger settings once receive this command
1005 1005  
1006 -Uplinks the trigger settings.
1007 -)))
1008 1008  
1009 -==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
1010 1010  
1011 -Enable or disable DI1/DI2/DI3 as a trigger.
957 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
1012 1012  
1013 -(% style="color:#037691" %)**AT Command**
959 +Enable or disable DI1/DI2/DI2 as a trigger.
1014 1014  
1015 -(% border="2" style="width:500px" %)
1016 -|(% style="width:98px" %)**Command**|(% style="width:400px" %)AT+DTRI=<DI1_trigger>,<DI2_trigger>
1017 -|(% style="width:98px" %)**Response**|(% style="width:400px" %)
1018 -|(% style="width:98px" %)**Parameters**|(% style="width:400px" %)(((
1019 -**DI1_trigger:**
961 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1020 1020  
1021 -1 = enable DI1 trigger
963 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
1022 1022  
1023 -0 = disable DI1 trigger
1024 1024  
1025 -**DI2 _trigger**
966 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1026 1026  
1027 -1 = enable DI2 trigger
968 +(% style="color:blue" %)**0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
1028 1028  
1029 -0 = disable DI2 trigger
1030 -)))
1031 -|(% style="width:98px" %)**Example**|(% style="width:400px" %)(((
1032 -AT+DTRI=1,0
1033 1033  
1034 -Enable DI1 trigger, disable DI2 trigger
1035 -)))
1036 1036  
1037 -(% class="wikigeneratedid" %)
1038 -(% style="color:#037691" %)**Downlink Payload**
1039 -
1040 -(% border="2" style="width:500px" %)
1041 -|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><DI1_trigger><DI2_trigger>
1042 -|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1043 -**prefix :** AA 02
1044 -
1045 -**DI1_trigger:**
1046 -
1047 -1 = enable DI1 trigger, represented by 1 byte in hexadecimal.
1048 -
1049 -0 = disable DI1 trigger, represented by 1 byte in hexadecimal.
1050 -
1051 -**DI2 _trigger**
1052 -
1053 -1 = enable DI2 trigger, represented by 1 byte in hexadecimal.
1054 -
1055 -0 = disable DI2 trigger, represented by 1 byte in hexadecimal.
1056 -)))
1057 -|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1058 -AA 02 **01 00**
1059 -
1060 -Enable DI1 trigger, disable DI2 trigger
1061 -)))
1062 -
1063 1063  ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
1064 1064  
1065 1065  Sets DI1 or DI3 (for LT-33222-L) as a trigger.
... ... @@ -1078,40 +1078,6 @@
1078 1078  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
1079 1079  
1080 1080  
1081 -(% style="color:#037691" %)**AT Command**
1082 -
1083 -(% border="2" style="width:500px" %)
1084 -|(% style="width:101px" %)**Command**|(% style="width:397px" %)AT+TRIG1=<interrupt_mode>,<minimum_signal_duration>
1085 -|(% style="width:101px" %)**Response**|(% style="width:397px" %)
1086 -|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1087 -**interrupt_mode** :  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
1088 -
1089 -**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1090 -)))
1091 -|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1092 -AT+TRIG1=1,100
1093 -
1094 -Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1095 -)))
1096 -
1097 -(% class="wikigeneratedid" %)
1098 -(% style="color:#037691" %)**Downlink Payload**
1099 -
1100 -(% border="2" style="width:500px" %)
1101 -|(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix><interrupt_mode><minimum_signal_duration>
1102 -|(% style="width:101px" %)**Parameters**|(% style="width:397px" %)(((
1103 -**prefix** : 09 01
1104 -
1105 -**interrupt_mode** : 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
1106 -
1107 -**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal.
1108 -)))
1109 -|(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
1110 -09 01 **01 00 64**
1111 -
1112 -Set the DI1 port to trigger on a rising edge; the valid signal duration is 100 ms.
1113 -)))
1114 -
1115 1115  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
1116 1116  
1117 1117  Sets DI2 as a trigger.
... ... @@ -1122,7 +1122,7 @@
1122 1122  
1123 1123  (% style="color:red" %)**b :** (%%)delay timing.
1124 1124  
1125 -**Example:** AT+TRIG2=0,100 (Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms)
1000 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
1126 1126  
1127 1127  
1128 1128  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
... ... @@ -1130,38 +1130,9 @@
1130 1130  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
1131 1131  
1132 1132  
1133 -(% style="color:#037691" %)**AT Command**
1134 -
1135 -(% border="2" style="width:500px" %)
1136 -|(% style="width:94px" %)**Command**|(% style="width:404px" %)AT+TRIG2=<interrupt_mode>,<minimum_signal_duration>
1137 -|(% style="width:94px" %)**Response**|(% style="width:404px" %)
1138 -|(% style="width:94px" %)**Parameters**|(% style="width:404px" %)(((
1139 -**interrupt_mode **:  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
1140 -
1141 -**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1142 -)))
1143 -|(% style="width:94px" %)**Example**|(% style="width:404px" %)(((
1144 -AT+TRIG2=0,100
1145 -
1146 -Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
1147 -)))
1148 -
1149 -(% style="color:#037691" %)**Downlink Payload**
1150 -
1151 -(% border="2" style="width:500px" %)
1152 -|(% style="width:96px" %)**Payload**|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
1153 -|(% style="width:96px" %)**Parameters**|(% style="width:402px" %)(((
1154 -**prefix** : 09 02
1155 -
1156 -**interrupt_mode **: 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
1157 -
1158 -**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal
1159 -)))
1160 -|(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
1161 -
1162 1162  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
1163 1163  
1164 -Sets the current trigger based on the AC port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1010 +Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1165 1165  
1166 1166  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
1167 1167  
... ... @@ -1169,52 +1169,11 @@
1169 1169  
1170 1170  (% 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"]]
1171 1171  
1172 -(% style="color:#037691" %)**AT Command**
1173 1173  
1174 -(% border="2" style="width:500px" %)
1175 -|(% style="width:104px" %)**Command**|(% style="width:394px" %)(((
1176 -AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1177 -)))
1178 -|(% style="width:104px" %)**Response**|(% style="width:394px" %)
1179 -|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1180 -**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold
1181 1181  
1182 -**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold
1183 -
1184 -**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold
1185 -
1186 -**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold
1187 -)))
1188 -|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1189 -AT+ACLIM=10000,15000,0,0
1190 -
1191 -Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
1192 -)))
1193 -
1194 -(% style="color:#037691" %)**Downlink Payload**
1195 -
1196 -(% border="2" style="width:500px" %)
1197 -|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1198 -|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1199 -**prefix **: AA 01 - two bytes in hexadecimal
1200 -
1201 -**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold, two bytes in hexadecimal
1202 -
1203 -**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold, two bytes in hexadecimal
1204 -
1205 -**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold, two bytes in hexadecimal
1206 -
1207 -**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold, two bytes in hexadecimal
1208 -)))
1209 -|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1210 -AA 01 **27** **10 3A** **98** 00 00 00 00
1211 -
1212 -Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA. Set all values to zero for AC2 limits because we are only checking AC1 limits.
1213 -)))
1214 -
1215 1215  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1216 1216  
1217 -Sets the current trigger based on the AV port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1022 +Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1218 1218  
1219 1219  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1220 1220  
... ... @@ -1223,22 +1223,6 @@
1223 1223  (% 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"]]
1224 1224  
1225 1225  
1226 -(% border="2" style="width:500px" %)
1227 -|(% style="width:104px" %)Command|(% style="width:387px" %)AT+AVLIM= AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
1228 -|(% style="width:104px" %)Response|(% style="width:387px" %)
1229 -|(% style="width:104px" %)Parameters|(% style="width:387px" %)(((
1230 -**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold, two bytes in hexadecimal
1231 -
1232 -**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold, two bytes in hexadecimal
1233 -
1234 -**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold, two bytes in hexadecimal
1235 -
1236 -**AC2_LIMIT_LOW** : higher limit of the current to be checked / threshold, two bytes in hexadecimal
1237 -)))
1238 -|(% style="width:104px" %)Example|(% style="width:387px" %)
1239 -
1240 -
1241 -
1242 1242  ==== 3.4.2.11 Trigger – Set minimum interval ====
1243 1243  
1244 1244  Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
... ... @@ -1719,7 +1719,7 @@
1719 1719  [[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
1720 1720  
1721 1721  
1722 -==== 3.5.2.1 Viewing integration details ====
1511 +**Viewing integration details**:
1723 1723  
1724 1724  Click on your integration from the list. The **Integration details** window will appear with the **Details **tab selected. The **Details **tab shows all the settings you have provided for this integration.
1725 1725  
... ... @@ -1732,7 +1732,7 @@
1732 1732  See also ThingsEye documentation.
1733 1733  {{/info}}
1734 1734  
1735 -==== **3.5.2.2 Viewing events** ====
1524 +**Viewing events:**
1736 1736  
1737 1737  The **Events **tab displays all the uplink messages from the LT-22222-L.
1738 1738  
... ... @@ -1747,22 +1747,22 @@
1747 1747  [[image:thingseye-json.png||width="1000"]]
1748 1748  
1749 1749  
1750 -==== **3.5.2.3 Deleting an integration** ====
1539 +**Deleting the integration**:
1751 1751  
1752 -If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
1541 +If you want to delete this integration, click the **Delete integratio**n button.
1753 1753  
1754 1754  
1755 1755  == 3.6 Interface Details ==
1756 1756  
1757 -=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active ) ===
1546 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1758 1758  
1759 1759  
1760 -Supports NPN-type sensors.
1549 +Support NPN-type sensor
1761 1761  
1762 1762  [[image:1653356991268-289.png]]
1763 1763  
1764 1764  
1765 -=== 3.6.2 Digital Input Ports: DI1/DI2 ===
1554 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1766 1766  
1767 1767  
1768 1768  (((
... ... @@ -1892,7 +1892,7 @@
1892 1892  [[image:image-20240219115718-1.png]]
1893 1893  
1894 1894  
1895 -=== 3.6.3 Digital Output Ports: DO1/DO2 ===
1684 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1896 1896  
1897 1897  
1898 1898  (% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
... ... @@ -2003,10 +2003,9 @@
2003 2003  
2004 2004  (((
2005 2005  You can use a USB-to-TTL adapter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
2006 -
2007 -[[image:usb-ttl-programming.png]]
2008 2008  )))
2009 2009  
1797 +[[image:1653358238933-385.png]]
2010 2010  
2011 2011  
2012 2012  (((
... ... @@ -2023,21 +2023,21 @@
2023 2023  )))
2024 2024  
2025 2025  (((
2026 -The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between working modes.
1814 +The following is the list of all the AT commands related to the LT-22222-L, except for those used for switching between work modes.
2027 2027  
2028 -* **##AT##+<CMD>?** : Help on <CMD>
2029 -* **##AT##+<CMD>** : Run <CMD>
2030 -* **##AT##+<CMD>=<value>** : Set the value
2031 -* **##AT##+<CMD>=?** : Get the value
2032 -* ##**ATZ**##: Trigger a reset of the MCU
1816 +* AT+<CMD>? : Help on <CMD>
1817 +* AT+<CMD> : Run <CMD>
1818 +* AT+<CMD>=<value> : Set the value
1819 +* AT+<CMD>=? : Get the value
1820 +* ATZ: Trigger a reset of the MCU
2033 2033  * ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
2034 2034  * **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
2035 2035  * **##AT+DADDR##**: Get or set the Device Address (DevAddr)
2036 2036  * **##AT+APPKEY##**: Get or set the Application Key (AppKey)
2037 -* ##**AT+NWKSKEY**##: Get or set the Network Session Key (NwkSKey)
2038 -* **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
2039 -* **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
2040 -* **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
1825 +* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
1826 +* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
1827 +* AT+APPEUI: Get or set the Application EUI (AppEUI)
1828 +* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
2041 2041  * AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
2042 2042  * AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
2043 2043  * AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
... ... @@ -2082,28 +2082,28 @@
2082 2082  
2083 2083  
2084 2084  (((
2085 -(% style="color:blue" %)**If the device has not yet joined the network:**
1873 +(% style="color:blue" %)**If the device has not joined the network yet:**
2086 2086  )))
2087 2087  )))
2088 2088  
2089 2089  (((
2090 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1878 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
2091 2091  )))
2092 2092  
2093 2093  (((
2094 -(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
1882 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
2095 2095  )))
2096 2096  
2097 2097  (((
2098 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1886 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
2099 2099  )))
2100 2100  
2101 2101  (((
2102 -(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/Set to ABP mode**##
1890 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
2103 2103  )))
2104 2104  
2105 2105  (((
2106 -(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
1894 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
2107 2107  )))
2108 2108  
2109 2109  
... ... @@ -2126,20 +2126,20 @@
2126 2126  
2127 2127  
2128 2128  (((
2129 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter password to enable AT commands access
1917 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
2130 2130  )))
2131 2131  )))
2132 2132  
2133 2133  (((
2134 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset parameters to Factory Default, Reserve keys
1922 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
2135 2135  )))
2136 2136  
2137 2137  (((
2138 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter password to enable AT commands access
1926 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
2139 2139  )))
2140 2140  
2141 2141  (((
2142 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to CLASS C mode
1930 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
2143 2143  )))
2144 2144  
2145 2145  (((
... ... @@ -2159,19 +2159,19 @@
2159 2159  )))
2160 2160  
2161 2161  (((
2162 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4 MHz
1950 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
2163 2163  )))
2164 2164  
2165 2165  (((
2166 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2 frequency to 868.4 MHz (according to the result from the server)
1954 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
2167 2167  )))
2168 2168  
2169 2169  (((
2170 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2 DR to match the downlink DR from the server. See below.
1958 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
2171 2171  )))
2172 2172  
2173 2173  (((
2174 -(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address. The Device Address can be found in the application on the LoRaWAN NS.
1962 +(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
2175 2175  )))
2176 2176  
2177 2177  (((
... ... @@ -2185,14 +2185,14 @@
2185 2185  )))
2186 2186  
2187 2187  (((
2188 -**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
1976 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
2189 2189  
2190 -**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
1978 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
2191 2191  
2192 -**3. Make sure the SF/bandwidth settings in the LG01/LG02 match the settings of AT+DR. Refer to [[this link>>url:http://www.dragino.com/downloads/index.php?
1980 +**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?
2193 2193  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2194 2194  
2195 -**4. The commands AT+RX2FQ and AT+RX2DR enable downlink functionality. To set the correct parameters, you can check the actual downlink parameters to be used as shown below. Here, RX2FQ should be set to 868400000 and RX2DR should be set to 5.**
1983 +**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.**
2196 2196  )))
2197 2197  
2198 2198  (((
... ... @@ -2204,7 +2204,7 @@
2204 2204  
2205 2205  
2206 2206  (((
2207 -(% style="color:blue" %)**If the sensor has JOINED:**
1995 +(% style="color:blue" %)**If sensor JOINED:**
2208 2208  
2209 2209  (% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2210 2210  
... ... @@ -2214,7 +2214,7 @@
2214 2214  
2215 2215  = 5. Case Study =
2216 2216  
2217 -== 5.1 Counting how many objects pass through the flow line ==
2005 +== 5.1 Counting how many objects pass through the flow Line ==
2218 2218  
2219 2219  See [[How to set up to setup counting for objects passing through the flow line>>How to set up to count objects pass in flow line]]?
2220 2220  
... ... @@ -2226,8 +2226,10 @@
2226 2226  
2227 2227  == 6.1 How to update the firmware? ==
2228 2228  
2229 -Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
2017 +Dragino frequently releases firmware updates for the LT-22222-L.
2230 2230  
2019 +Updating your LT-22222-L with the latest firmware version helps to:
2020 +
2231 2231  * Support new features
2232 2232  * Fix bugs
2233 2233  * Change LoRaWAN frequency bands
... ... @@ -2245,8 +2245,8 @@
2245 2245  
2246 2246  Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2247 2247  
2248 -[[image:usb-ttl-programming.png]]
2249 2249  
2039 +[[image:1653359603330-121.png]]
2250 2250  
2251 2251  
2252 2252  Start the STM32 Flash Loader and choose the correct COM port to update.
... ... @@ -2270,7 +2270,7 @@
2270 2270  [[image:image-20220524104033-15.png]]
2271 2271  
2272 2272  
2273 -(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5 mm cable. The pin mapping is as follows:
2063 +(% style="color:red" %)**Note**(%%): If you have lost the programming cable, you can make one from a 3.5mm cable. The pin mapping is as follows:
2274 2274  
2275 2275  [[image:1653360054704-518.png||height="186" width="745"]]
2276 2276  
... ... @@ -2288,18 +2288,18 @@
2288 2288  (((
2289 2289  
2290 2290  
2291 -== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2081 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2292 2292  )))
2293 2293  
2294 2294  (((
2295 2295  (((
2296 -In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
2086 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2297 2297  )))
2298 2298  )))
2299 2299  
2300 2300  (((
2301 2301  (((
2302 -We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
2092 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2303 2303  
2304 2304  
2305 2305  )))
... ... @@ -2306,55 +2306,52 @@
2306 2306  )))
2307 2307  
2308 2308  (((
2309 -(% style="color:#0000ff" %)**Step 1**(%%): Log in to The Things Stack Sandbox account and create an ABP device in the application. To do this, use the manual registration option as explained in section 3.2.2.2, //Adding a Device Manually//. Select //Activation by Personalization (ABP)// under Activation Mode. Enter the DevEUI exactly as shown on the registration information sticker, then generate the Device Address, Application Session Key (AppSKey), and Network Session Key (NwkSKey).
2099 +(% style="color:#0000ff" %)**Step 1**(%%):  Log in to The Things Stack SANDBOX, create an ABP device in the application, and input the Network Session key (NwkSKey), App session key (AppSKey) of the device.
2310 2310  
2311 -[[image:lt-22222-l-abp.png||height="686" width="1000"]]
2101 +
2312 2312  )))
2313 2313  
2314 2314  (((
2105 +[[image:1653360231087-571.png||height="401" width="727"]]
2106 +
2315 2315  
2316 2316  )))
2317 2317  
2318 -{{warning}}
2319 -Ensure that the Device Address (DevAddr) and the two keys match between the LT-22222-L and The Things Stack. You can modify them either in The Things Stack or on the LT-22222-L to make them align. In The Things Stack, you can configure the NwkSKey and AppSKey on the settings page, but note that the Device Address is generated by The Things Stack.
2320 -{{/warning}}
2110 +(((
2111 +(% style="color:red" %)**Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN.**
2112 +)))
2321 2321  
2322 2322  
2115 +
2323 2323  (((
2324 -(% style="color:blue" %)**Step 2**(%%)**:  **(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)Run AT commands to configure the LT-22222-L to operate in single-frequency and ABP mode. The AT commands are as follows:
2117 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2325 2325  
2326 2326  
2327 2327  )))
2328 2328  
2329 2329  (((
2330 -(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
2123 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2331 2331  
2332 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
2125 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2333 2333  
2334 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
2127 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2335 2335  
2336 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
2129 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2337 2337  
2338 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
2131 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2339 2339  
2340 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds.
2133 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2341 2341  
2342 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
2135 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2343 2343  
2344 -(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
2137 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2345 2345  
2346 -(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:700; text-decoration:none; white-space:pre-wrap" %)**AT+APPKEY=xxxx**(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %): Get or set the Application Key (AppKey)
2347 -
2348 -(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+NWKSKEY=xxxx**: Get or set the Network Session Key (NwkSKey)
2349 -
2350 -(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)**AT+APPSKEY=xxxx**: Get or set the Application Session Key (AppSKey)
2351 -
2352 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
2139 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2353 2353  )))
2354 2354  
2355 2355  
2356 2356  (((
2357 -(% style="color:#000000; font-family:Arial,sans-serif; font-size:11pt; font-style:normal; font-variant-alternates:normal; font-variant-east-asian:normal; font-variant-ligatures:normal; font-variant-numeric:normal; font-variant-position:normal; font-weight:400; text-decoration:none; white-space:pre-wrap" %)The following figure shows the screenshot of the command set above, issued using a serial tool:
2144 +As shown in below:
2358 2358  )))
2359 2359  
2360 2360  [[image:1653360498588-932.png||height="485" width="726"]]
... ... @@ -2368,7 +2368,7 @@
2368 2368  == 6.5 Can I see the counting event in the serial output? ==
2369 2369  
2370 2370  (((
2371 -You can run the AT command **AT+DEBUG** to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
2158 +You can run the AT command AT+DEBUG to view the counting event in the serial output. If the firmware is too old and doesn’t support AT+DEBUG, update to the latest firmware first.
2372 2372  
2373 2373  
2374 2374  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
... ... @@ -2396,7 +2396,7 @@
2396 2396  
2397 2397  == 6.9 Can the LT-22222-L save the RO state? ==
2398 2398  
2399 -To enable this feature, the firmware version must be 1.6.0 or higher.
2186 +The firmware version must be at least 1.6.0.
2400 2400  
2401 2401  
2402 2402  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
... ... @@ -2442,7 +2442,7 @@
2442 2442  )))
2443 2443  
2444 2444  
2445 -== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2232 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2446 2446  
2447 2447  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2448 2448  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
... ... @@ -2464,7 +2464,7 @@
2464 2464  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2465 2465  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2466 2466  
2467 -= 9. Package information =
2254 += 9. Packing information =
2468 2468  
2469 2469  **Package includes**:
2470 2470  
... ... @@ -2471,7 +2471,7 @@
2471 2471  * 1 x LT-22222-L I/O Controller
2472 2472  * 1 x LoRa antenna matched to the frequency of the LT-22222-L
2473 2473  * 1 x bracket for DIN rail mounting
2474 -* 1 x 3.5 mm programming cable
2261 +* 1 x 3.5mm programming cable
2475 2475  
2476 2476  **Dimension and weight**:
2477 2477  
lt-22222-l-abp.png
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