Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 192.1 >
edited by Dilisi S
on 2024/11/14 04:18
To version < 185.1 >
edited by Dilisi S
on 2024/11/10 05:32
>
Change comment: Nov 9 edits (saturday)

Summary

Details

Page properties
Title
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1 -LT-22222-L -- LoRa I/O Controller User Manual
1 +LT-22222-L -- LoRa IO Controller User Manual
Content
... ... @@ -40,9 +40,7 @@
40 40  * If there is no public LoRaWAN coverage in your area, you can set up a LoRaWAN gateway, or multiple gateways, and connect them to a LoRaWAN network server to create adequate coverage. Then, register the LT-22222-L I/O controller with this network.
41 41  * Setup your own private LoRaWAN network.
42 42  
43 -{{info}}
44 - You can use a LoRaWAN gateway, such as the [[Dragino LG308>>https://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], to expand or create LoRaWAN coverage in your area.
45 -{{/info}}
43 +> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
46 46  )))
47 47  
48 48  (((
... ... @@ -58,13 +58,13 @@
58 58  * STM32L072xxxx MCU
59 59  * SX1276/78 Wireless Chip 
60 60  * Power Consumption:
61 -** Idle: 4mA@12V
59 +** Idle: 4mA@12v
62 62  ** 20dB Transmit: 34mA@12V
63 63  * Operating Temperature: -40 ~~ 85 Degrees, No Dew
64 64  
65 65  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
66 66  
67 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50V, or 220V with optional external resistor)
65 +* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
68 68  * 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
69 69  * 2 x Relay Output (5A@250VAC / 30VDC)
70 70  * 2 x 0~~20mA Analog Input (res:0.01mA)
... ... @@ -74,8 +74,8 @@
74 74  (% style="color:#037691" %)**LoRa Spec:**
75 75  
76 76  * Frequency Range:
77 -** Band 1 (HF): 862 ~~ 1020 MHz
78 -** Band 2 (LF): 410 ~~ 528 MHz
75 +** Band 1 (HF): 862 ~~ 1020 Mhz
76 +** Band 2 (LF): 410 ~~ 528 Mhz
79 79  * 168 dB maximum link budget.
80 80  * +20 dBm - 100 mW constant RF output vs.
81 81  * +14 dBm high-efficiency PA.
... ... @@ -94,7 +94,7 @@
94 94  
95 95  == 1.3 Features ==
96 96  
97 -* LoRaWAN Class A & Class C modes
95 +* LoRaWAN Class A & Class C protocol
98 98  * Optional Customized LoRa Protocol
99 99  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
100 100  * AT Commands to change parameters
... ... @@ -104,23 +104,34 @@
104 104  
105 105  == 1.4 Applications ==
106 106  
107 -* Smart buildings & home automation
108 -* Logistics and supply chain management
109 -* Smart metering
110 -* Smart agriculture
111 -* Smart cities
112 -* Smart factory
105 +* Smart Buildings & Home Automation
106 +* Logistics and Supply Chain Management
107 +* Smart Metering
108 +* Smart Agriculture
109 +* Smart Cities
110 +* Smart Factory
113 113  
114 -= 2. Assembling the device =
112 +== 1.5 Hardware Variants ==
115 115  
116 -== 2.1 Connecting the antenna ==
117 117  
118 -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.
115 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
116 +|(% 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**
117 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
118 +(% style="text-align:center" %)
119 +[[image:image-20230424115112-1.png||height="106" width="58"]]
120 +)))|(% style="width:334px" %)(((
121 +* 2 x Digital Input (Bi-direction)
122 +* 2 x Digital Output
123 +* 2 x Relay Output (5A@250VAC / 30VDC)
124 +* 2 x 0~~20mA Analog Input (res:0.01mA)
125 +* 2 x 0~~30V Analog Input (res:0.01v)
126 +* 1 x Counting Port
127 +)))
119 119  
120 -{{warning}}
121 -Warning! Do not power on the device without connecting the antenna.
122 -{{/warning}}
129 += 2. Assembling =
123 123  
131 +Attach 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.
132 +
124 124  == 2.2 Terminals ==
125 125  
126 126  The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 terminals and the lower screw terminal block has 10 terminals.
... ... @@ -155,6 +155,8 @@
155 155  
156 156  The LT-22222-L I/O Controller can be powered by a **7–24V DC** power source. Connect your power supply’s positive wire to the VIN and the negative wire to the GND screw terminals. The power indicator **(PWR) LED** will turn on when the device is properly powered.
157 157  
167 +Powering on the device
168 +
158 158  Once powered, the **TX LED** will **fast-blink 5 times** which means the LT-22222-L will enter the **work mode** and start to **join** The Things Stack. The **TX LED** will be on for **5 seconds** after joining the network. When there is a **downlink** message from the server, the **RX LED** will be on for **1 second**. When the device is sending an uplink message to the server, the **TX LED** will be on for **1 second**. See also LED status.
159 159  
160 160  {{warning}}
... ... @@ -194,6 +194,7 @@
194 194  * Go to your application page and click on the **End devices** in the left menu.
195 195  * On the End devices page, click on **+ Register end device**. Two registration options are available:
196 196  
208 +
197 197  ==== 3.2.2.1 Using the LoRaWAN Device Repository ====
198 198  
199 199  * On the **Register end device** page:
... ... @@ -277,7 +277,7 @@
277 277  [[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
278 278  
279 279  
280 -== 3.3 Work Modes and Uplink Payload formats ==
292 +== 3.3 Work Modes and their Uplink Payload formats ==
281 281  
282 282  
283 283  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.
... ... @@ -301,12 +301,8 @@
301 301  (((
302 302  This is the default mode.
303 303  
304 -The uplink payload is 11 bytes long.
316 +The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
305 305  
306 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
307 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
308 -It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
309 -
310 310  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
311 311  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
312 312  |Value|(((
... ... @@ -376,10 +376,6 @@
376 376  (((
377 377  The uplink payload is 11 bytes long.
378 378  
379 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
380 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
381 -It starts counting again when it reaches the maximum value.**
382 -
383 383  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
384 384  |(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
385 385  |Value|COUNT1|COUNT2 |DIDORO*|(((
... ... @@ -444,9 +444,6 @@
444 444  
445 445  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
446 446  
447 -(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
448 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
449 -It starts counting again when it reaches the maximum value.**
450 450  
451 451  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
452 452  
... ... @@ -497,11 +497,7 @@
497 497  
498 498  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
499 499  
500 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
501 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
502 -It starts counting again when it reaches the maximum value.**
503 503  
504 -
505 505  (((
506 506  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
507 507  )))
... ... @@ -554,23 +554,19 @@
554 554  (((
555 555  **In addition to that, below are the commands for AVI1 Counting:**
556 556  
557 -(% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI Count to 60)**
554 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (Sets AVI Count to 60)**
558 558  
559 -(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
556 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
560 560  
561 -(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
558 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
562 562  
563 -(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
560 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
564 564  )))
565 565  
566 566  
567 567  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
568 568  
569 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
570 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
571 -It starts counting again when it reaches the maximum value.**
572 572  
573 -
574 574  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
575 575  
576 576  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -628,17 +628,15 @@
628 628  
629 629  For example, if you configured the following commands:
630 630  
631 -* **AT+MOD=1 ** **~-~->**  The default work mode
624 +* **AT+MOD=1 ** **~-~->**  The normal working mode
632 632  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger mode
633 633  
634 634  The LT-22222-L will continuously monitor AV1, AV2, AC1, and AC2 every 5 seconds. LT will send uplink packets in two cases:
635 635  
636 636  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.
637 -1. (((
638 -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.**
639 -)))
630 +1. 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.**
640 640  
641 -(% style="color:#037691" %)**AT Commands to set Trigger Condition**:
632 +(% style="color:#037691" %)**AT Command to set Trigger Condition**:
642 642  
643 643  (% style="color:#4f81bd" %)**Trigger based on voltage**:
644 644  
... ... @@ -810,68 +810,50 @@
810 810  )))
811 811  
812 812  
813 -== 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
804 +== 3.4 ​Configure LT via AT Commands or Downlinks ==
814 814  
806 +
815 815  (((
816 -You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
808 +User can configure LT I/O Controller via AT Commands or LoRaWAN Downlinks.
817 817  )))
818 818  
819 819  (((
820 820  (((
821 -There are two tytes of commands:
813 +There are two kinds of Commands:
822 822  )))
823 823  )))
824 824  
825 -* (% style="color:blue" %)**Common commands**(%%):
817 +* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
826 826  
827 -* (% style="color:blue" %)**Sensor-related commands**(%%):
819 +* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
828 828  
829 -=== 3.4.1 Common commands ===
821 +=== 3.4.1 Common Commands ===
830 830  
831 831  (((
832 -These are available for each sensors and include actions such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]s.
824 +These commands should be available for all Dragino sensors, such as changing the uplink interval or resetting the device. For firmware v1.5.4, you can find the supported common commands under [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]].
833 833  )))
834 834  
835 -=== 3.4.2 Sensor-related commands ===
836 836  
837 -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.
828 +=== 3.4.2 Sensor related commands ===
838 838  
839 839  ==== 3.4.2.1 Set Transmit Interval ====
840 840  
841 841  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
842 842  
843 -(% style="color:#037691" %)**AT command**
834 +* (% style="color:#037691" %)**AT command:**
844 844  
845 -(% style="width:500px" %)
846 -|**Command**|AT+TDC<time>
847 -|**Response**|
848 -|**Parameters**|<time> uplink interval is in milliseconds
849 -|**Example**|(((
850 -AT+TDC=30000
836 +(% style="color:blue" %)**AT+TDC=N**
851 851  
852 -Sets the uplink interval to 30,000 milliseconds (30 seconds)
853 -)))
838 +where N is the time in milliseconds.
854 854  
855 -(% style="color:#037691" %)**Downlink payload**
840 +**Example: **AT+TDC=30000. This will set the uplink interval to 30 seconds
856 856  
857 -(% style="width:500px" %)
858 -|**Payload**|(((
859 -<prefix><time>
860 -)))
861 -|**Parameters**|(((
862 -<prefix> 0x01
863 863  
864 -<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
865 -)))
866 -|**Example**|(((
867 -01 **00 75 30**
843 +* (% style="color:#037691" %)**Downlink payload (prefix 0x01):**
868 868  
869 -Sets the uplink interval to 30,000 milliseconds (30 seconds)
845 +(% style="color:blue" %)**0x01 aa bb cc  **(%%)** ~/~/ Same as AT+TDC=0x(aa bb cc)**
870 870  
871 -Conversion: 30000 (dec) = 00 75 30 (hex)
872 872  
873 -See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
874 -)))
875 875  
876 876  ==== 3.4.2.2 Set the Work Mode (AT+MOD) ====
877 877  
... ... @@ -893,8 +893,8 @@
893 893  
894 894  ==== 3.4.2.3 Poll an uplink ====
895 895  
896 -Requests the device to send an uplink.
897 897  
870 +Asks the device to send an uplink.
898 898  
899 899  * (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
900 900  
... ... @@ -908,6 +908,7 @@
908 908  
909 909  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
910 910  
884 +
911 911  Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
912 912  
913 913  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ADDMOD6=1 or 0**
... ... @@ -925,8 +925,9 @@
925 925  
926 926  ==== 3.4.2.5 Poll trigger settings ====
927 927  
928 -Polls the trigger settings.
929 929  
903 +Polls the trigger settings
904 +
930 930  * (% style="color:#037691" %)**AT Command:**
931 931  
932 932  There is no AT Command for this feature.
... ... @@ -937,10 +937,11 @@
937 937  
938 938  
939 939  
940 -==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
915 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
941 941  
942 -Enable or disable DI1/DI2/DI2 as a trigger.
943 943  
918 +Enable or Disable DI1/DI2/DI2 as trigger,
919 +
944 944  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
945 945  
946 946  **Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -952,10 +952,11 @@
952 952  
953 953  
954 954  
955 -==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
931 +==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
956 956  
957 -Sets DI1 or DI3 (for LT-33222-L) as a trigger.
958 958  
934 +Set DI1 or DI3(for LT-33222-L) trigger.
935 +
959 959  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG1=a,b**
960 960  
961 961  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
... ... @@ -970,10 +970,12 @@
970 970  (% style="color:blue" %)**0x09 01 aa bb cc    ** (%%) ~/~/ same as AT+TRIG1=aa,0x(bb cc)
971 971  
972 972  
973 -==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
974 974  
975 -Sets DI2 as a trigger.
951 +==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
976 976  
953 +
954 +Sets DI2 trigger.
955 +
977 977  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+TRIG2=a,b**
978 978  
979 979  (% style="color:red" %)**a :** (%%)Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
... ... @@ -988,10 +988,12 @@
988 988  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
989 989  
990 990  
991 -==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
992 992  
993 -Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
971 +==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
994 994  
973 +
974 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
975 +
995 995  * (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+ACLIM**
996 996  
997 997  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
... ... @@ -1002,8 +1002,9 @@
1002 1002  
1003 1003  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1004 1004  
1005 -Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1006 1006  
987 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
988 +
1007 1007  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+AVLIM    **(%%)** See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1008 1008  
1009 1009  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
... ... @@ -1011,8 +1011,10 @@
1011 1011  (% 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"]]
1012 1012  
1013 1013  
996 +
1014 1014  ==== 3.4.2.11 Trigger – Set minimum interval ====
1015 1015  
999 +
1016 1016  Sets AV and AC trigger minimum interval. Device won't response to the second trigger within this set time after the first trigger.
1017 1017  
1018 1018  * (% style="color:#037691" %)**AT Command**(%%): (% style="color:blue" %)**AT+ATDC=5        ** ~/~/ (%%)Device won't response the second trigger within 5 minute after the first trigger.
... ... @@ -1029,7 +1029,6 @@
1029 1029  
1030 1030  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1031 1031  
1032 -Controls the digital outputs DO1, DO2, and DO3
1033 1033  
1034 1034  * (% style="color:#037691" %)**AT Command**
1035 1035  
... ... @@ -1462,7 +1462,7 @@
1462 1462  **Downlink data converter (this is an optional step):**
1463 1463  
1464 1464  * Click the **Create new** button if it is not selected by default.
1465 -* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name.
1448 +* Enter a suitable name for the downlink data converter in the **Name **text** **box or keep the default name
1466 1466  * Click the **JavaScript** button.
1467 1467  * Paste the downlink decoder function into the text area (first, delete the default code). The demo downlink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Downlink_Converter.js]].
1468 1468  * Click the **Next** button. You will be navigated to the **Connection** tab.
... ... @@ -1474,7 +1474,7 @@
1474 1474  
1475 1475  * Choose **Region** from the **Host type**.
1476 1476  * Enter the **cluster** of your **The Things Stack** in the **Region** textbox. You can find the cluster in the url (e.g., https:~/~/**eu1**.cloud.thethings.network/...).
1477 -* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The **username **and **password **can be found on the MQTT integration page of your The Things Stack account (see Configuring The Things Stack).
1460 +* Enter the **Username** and **Password** of the MQTT integration in the **Credentials** section. The username and password can be found on the MQTT integration page of your The Things Stack account (see Configuring MQTT Connection information with The Things Stack Sandbox).
1478 1478  * Click the **Check connection** button to test the connection. If the connection is successful, you will see the message saying **Connected**.
1479 1479  
1480 1480  [[image:message-1.png]]
... ... @@ -1737,11 +1737,10 @@
1737 1737  
1738 1738  == 3.7 LEDs Indicators ==
1739 1739  
1740 -The table below lists the behavior of LED indicators for each port function.
1741 1741  
1742 1742  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1743 1743  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1744 -|**PWR**|Always on when there is power
1726 +|**PWR**|Always on if there is power
1745 1745  |**TX**|(((
1746 1746  (((
1747 1747  Device boot: TX blinks 5 times.
... ... @@ -1748,7 +1748,7 @@
1748 1748  )))
1749 1749  
1750 1750  (((
1751 -Successful network join: TX remains ON for 5 seconds.
1733 +Successful join network: TX ON for 5 seconds.
1752 1752  )))
1753 1753  
1754 1754  (((
... ... @@ -1755,7 +1755,7 @@
1755 1755  Transmit a LoRa packet: TX blinks once
1756 1756  )))
1757 1757  )))
1758 -|**RX**|RX blinks once when a packet is received.
1740 +|**RX**|RX blinks once when receiving a packet.
1759 1759  |**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
1760 1760  |**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1761 1761  |**DI1**|(((
... ... @@ -1987,14 +1987,14 @@
1987 1987  
1988 1988  == 5.1 Counting how many objects pass through the flow Line ==
1989 1989  
1990 -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]]?
1991 1991  
1973 +Reference Link: [[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]]?
1992 1992  
1975 +
1993 1993  = 6. FAQ =
1994 1994  
1995 1995  This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
1996 1996  
1997 -
1998 1998  == 6.1 How to update the firmware? ==
1999 1999  
2000 2000  Dragino frequently releases firmware updates for the LT-22222-L.
... ... @@ -2051,6 +2051,8 @@
2051 2051  (((
2052 2052  (((
2053 2053  == 6.2 How to change the LoRaWAN frequency band/region? ==
2036 +
2037 +
2054 2054  )))
2055 2055  )))
2056 2056  
... ... @@ -2061,18 +2061,20 @@
2061 2061  (((
2062 2062  
2063 2063  
2064 -== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2048 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2049 +
2050 +
2065 2065  )))
2066 2066  
2067 2067  (((
2068 2068  (((
2069 -In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
2055 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2070 2070  )))
2071 2071  )))
2072 2072  
2073 2073  (((
2074 2074  (((
2075 -We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
2061 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2076 2076  
2077 2077  
2078 2078  )))
... ... @@ -2079,55 +2079,52 @@
2079 2079  )))
2080 2080  
2081 2081  (((
2082 -(% 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).
2068 +(% 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.
2083 2083  
2084 -[[image:lt-22222-l-abp.png||height="686" width="1000"]]
2070 +
2085 2085  )))
2086 2086  
2087 2087  (((
2074 +[[image:1653360231087-571.png||height="401" width="727"]]
2075 +
2088 2088  
2089 2089  )))
2090 2090  
2091 -{{warning}}
2092 -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.
2093 -{{/warning}}
2079 +(((
2080 +(% 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.**
2081 +)))
2094 2094  
2095 2095  
2084 +
2096 2096  (((
2097 -(% 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:
2086 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2098 2098  
2099 2099  
2100 2100  )))
2101 2101  
2102 2102  (((
2103 -(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
2092 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2104 2104  
2105 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
2094 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2106 2106  
2107 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
2096 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2108 2108  
2109 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
2098 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2110 2110  
2111 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
2100 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2112 2112  
2113 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds.
2102 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2114 2114  
2115 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
2104 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2116 2116  
2117 -(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
2106 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2118 2118  
2119 -(% 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)
2120 -
2121 -(% 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)
2122 -
2123 -(% 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)
2124 -
2125 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
2108 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2126 2126  )))
2127 2127  
2128 2128  
2129 2129  (((
2130 -(% 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:
2113 +As shown in below:
2131 2131  )))
2132 2132  
2133 2133  [[image:1653360498588-932.png||height="485" width="726"]]
... ... @@ -2135,25 +2135,27 @@
2135 2135  
2136 2136  == 6.4 How to change the uplink interval? ==
2137 2137  
2121 +
2138 2138  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/]]
2139 2139  
2140 2140  
2141 2141  == 6.5 Can I see the counting event in the serial output? ==
2142 2142  
2127 +
2143 2143  (((
2144 -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.
2129 +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.
2145 2145  
2146 2146  
2147 2147  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
2148 2148  
2149 -Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]].
2150 2150  
2151 -
2135 +Yes, you can. Please refer to the [[Point-to-Point Communication of LT-22222-L>>https://wiki.dragino.com/xwiki/bin/view/Main/%20Point%20to%20Point%20Communication%20of%20LT-22222-L/]] page. The firmware that supports point-to-point communication can be found [[here>>https://github.com/dragino/LT-22222-L/releases]].
2152 2152  )))
2153 2153  
2154 2154  (((
2155 2155  == 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2156 2156  
2141 +
2157 2157  * If the device is not properly shut down and is directly powered off.
2158 2158  * It will default to a power-off state.
2159 2159  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
... ... @@ -2161,6 +2161,7 @@
2161 2161  
2162 2162  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2163 2163  
2149 +
2164 2164  The LT-22222-L's built-in relay is Normally Open (NO). You can use an external relay to achieve a Normally Closed (NC) configuration. The circuit diagram is shown below:
2165 2165  
2166 2166  
... ... @@ -2169,24 +2169,24 @@
2169 2169  
2170 2170  == 6.9 Can the LT-22222-L save the RO state? ==
2171 2171  
2172 -To enable this feature, the firmware version must be 1.6.0 or higher.
2173 2173  
2159 +The firmware version must be at least 1.6.0.
2174 2174  
2161 +
2175 2175  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2176 2176  
2164 +
2177 2177  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2178 2178  
2179 2179  
2180 2180  = 7. Troubleshooting =
2181 -
2182 -This section provides some known troubleshooting tips.
2183 -
2184 -
2185 2185  )))
2186 2186  
2187 2187  (((
2188 2188  (((
2189 2189  == 7.1 Downlink isn't working. How can I solve this? ==
2174 +
2175 +
2190 2190  )))
2191 2191  )))
2192 2192  
... ... @@ -2198,6 +2198,8 @@
2198 2198  
2199 2199  
2200 2200  == 7.2 Having trouble uploading an image? ==
2187 +
2188 +
2201 2201  )))
2202 2202  
2203 2203  (((
... ... @@ -2208,6 +2208,8 @@
2208 2208  
2209 2209  
2210 2210  == 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2199 +
2200 +
2211 2211  )))
2212 2212  
2213 2213  (((
... ... @@ -2215,8 +2215,9 @@
2215 2215  )))
2216 2216  
2217 2217  
2218 -== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2208 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2219 2219  
2210 +
2220 2220  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2221 2221  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2222 2222  
... ... @@ -2223,6 +2223,7 @@
2223 2223  
2224 2224  = 8. Ordering information =
2225 2225  
2217 +
2226 2226  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2227 2227  
2228 2228  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2237,8 +2237,8 @@
2237 2237  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2238 2238  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2239 2239  
2232 += 9. Packing information =
2240 2240  
2241 -= 9. Package information =
2242 2242  
2243 2243  **Package includes**:
2244 2244  
... ... @@ -2245,7 +2245,7 @@
2245 2245  * 1 x LT-22222-L I/O Controller
2246 2246  * 1 x LoRa antenna matched to the frequency of the LT-22222-L
2247 2247  * 1 x bracket for DIN rail mounting
2248 -* 1 x 3.5 mm programming cable
2240 +* 1 x 3.5mm programming cable
2249 2249  
2250 2250  **Dimension and weight**:
2251 2251  
... ... @@ -2254,9 +2254,9 @@
2254 2254  * Package Size / pcs : 14.5 x 8 x 5 cm
2255 2255  * Weight / pcs : 170 g
2256 2256  
2257 -
2258 2258  = 10. Support =
2259 2259  
2251 +
2260 2260  * (((
2261 2261  Support is available Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different time zones, we cannot offer live support. However, your questions will be answered as soon as possible within the aforementioned schedule.
2262 2262  )))
... ... @@ -2268,6 +2268,7 @@
2268 2268  
2269 2269  = 11. Reference​​​​​ =
2270 2270  
2263 +
2271 2271  * 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]]
2272 2272  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2273 2273  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
lt-22222-l-abp.png
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