Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 198.1 >
edited by Dilisi S
on 2024/11/17 19:33
To version < 186.1 >
edited by Dilisi S
on 2024/11/11 02:43
>
Change comment: Nov 10 edits part 1

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L -- LoRa I/O Controller User Manual
1 +LT-22222-L -- LoRa IO Controller User Manual
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.
... ... @@ -44,9 +44,7 @@
44 44  * 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.
45 45  * Setup your own private LoRaWAN network.
46 46  
47 -{{info}}
48 - 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.
49 -{{/info}}
43 +> You can use a LoRaWAN gateway, such as the Dragino LG308, to expand or create LoRaWAN coverage in your area.
50 50  )))
51 51  
52 52  (((
... ... @@ -62,13 +62,13 @@
62 62  * STM32L072xxxx MCU
63 63  * SX1276/78 Wireless Chip 
64 64  * Power Consumption:
65 -** Idle: 4mA@12V
59 +** Idle: 4mA@12v
66 66  ** 20dB Transmit: 34mA@12V
67 67  * Operating Temperature: -40 ~~ 85 Degrees, No Dew
68 68  
69 69  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
70 70  
71 -* 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)
72 72  * 2 x Digital Output (NPN output. Max pull-up voltage 36V,450mA)
73 73  * 2 x Relay Output (5A@250VAC / 30VDC)
74 74  * 2 x 0~~20mA Analog Input (res:0.01mA)
... ... @@ -78,8 +78,8 @@
78 78  (% style="color:#037691" %)**LoRa Spec:**
79 79  
80 80  * Frequency Range:
81 -** Band 1 (HF): 862 ~~ 1020 MHz
82 -** Band 2 (LF): 410 ~~ 528 MHz
75 +** Band 1 (HF): 862 ~~ 1020 Mhz
76 +** Band 2 (LF): 410 ~~ 528 Mhz
83 83  * 168 dB maximum link budget.
84 84  * +20 dBm - 100 mW constant RF output vs.
85 85  * +14 dBm high-efficiency PA.
... ... @@ -98,7 +98,7 @@
98 98  
99 99  == 1.3 Features ==
100 100  
101 -* LoRaWAN Class A & Class C modes
95 +* LoRaWAN Class A & Class C protocol
102 102  * Optional Customized LoRa Protocol
103 103  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
104 104  * AT Commands to change parameters
... ... @@ -108,23 +108,34 @@
108 108  
109 109  == 1.4 Applications ==
110 110  
111 -* Smart buildings & home automation
112 -* Logistics and supply chain management
113 -* Smart metering
114 -* Smart agriculture
115 -* Smart cities
116 -* 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
117 117  
118 -== 2. Assembling the device ==
112 +== 1.5 Hardware Variants ==
119 119  
120 -== 2.1 Connecting the antenna ==
121 121  
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.
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 +)))
123 123  
124 -{{warning}}
125 -Warning! Do not power on the device without connecting the antenna.
126 -{{/warning}}
129 += 2. Assembling =
127 127  
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 +
128 128  == 2.2 Terminals ==
129 129  
130 130  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.
... ... @@ -159,6 +159,8 @@
159 159  
160 160  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.
161 161  
167 +Powering on the device
168 +
162 162  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.
163 163  
164 164  {{warning}}
... ... @@ -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 ==
291 +== 3.3 Work Modes and their 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.
294 +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.
308 +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  
... ... @@ -305,12 +305,8 @@
305 305  (((
306 306  This is the default mode.
307 307  
308 -The uplink payload is 11 bytes long.
315 +The uplink payload is 11 bytes long. (% style="display:none" wfd-invisible="true" %)
309 309  
310 -(% style="color:red" %)**Note:The maximum count depends on the bytes number of bytes.
311 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
312 -It starts counting again when it reaches the maximum value.**(% style="display:none" wfd-invisible="true" %)
313 -
314 314  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
315 315  |(% 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**
316 316  |Value|(((
... ... @@ -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+.
373 +** 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  
... ... @@ -384,10 +384,6 @@
384 384  (((
385 385  The uplink payload is 11 bytes long.
386 386  
387 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
388 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
389 -It starts counting again when it reaches the maximum value.**
390 -
391 391  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
392 392  |(% 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**
393 393  |Value|COUNT1|COUNT2 |DIDORO*|(((
... ... @@ -452,9 +452,6 @@
452 452  
453 453  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
454 454  
455 -(% style="color:red" %)**Note: The maximum count depends on the bytes it is.
456 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
457 -It starts counting again when it reaches the maximum value.**
458 458  
459 459  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
460 460  
... ... @@ -505,11 +505,7 @@
505 505  
506 506  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
507 507  
508 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
509 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
510 -It starts counting again when it reaches the maximum value.**
511 511  
512 -
513 513  (((
514 514  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
515 515  )))
... ... @@ -574,11 +574,7 @@
574 574  
575 575  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
576 576  
577 -(% style="color:red" %)**Note:The maximum count depends on the bytes it is.
578 -The maximum count for four bytes is FFFFFFFF (hex) = 4294967295 (dec).
579 -It starts counting again when it reaches the maximum value.**
580 580  
581 -
582 582  **LT22222-L**: In this mode, the DI1 is used as a counting pin.
583 583  
584 584  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -629,27 +629,24 @@
629 629  )))
630 630  
631 631  
632 -=== 3.3.6 AT+ADDMOD~=6 (Trigger Mode, Optional) ===
616 +=== 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.**
619 +(% 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:
621 +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
623 +* **AT+MOD=1 ** **~-~->**  The default work mode
624 +* **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:
626 +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.
628 +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.**
630 +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**:
633 +(% 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)
642 +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)
644 +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)
654 +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**:
... ... @@ -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.
... ... @@ -854,11 +854,11 @@
854 854  
855 855  (% style="color:#037691" %)**AT command**
856 856  
857 -(% border="2" style="width:500px" %)
858 -|**Command**|AT+TDC=<time>
859 -|**Response**|
860 -|**Parameters**|**time** : uplink interval is in milliseconds
861 -|**Example**|(((
837 +(% style="width:500px" %)
838 +|Command|AT+TDC<time>
839 +|Response|
840 +|Parameters|<time> uplink interval is in milliseconds
841 +|Example|(((
862 862  AT+TDC=30000
863 863  
864 864  Sets the uplink interval to 30,000 milliseconds (30 seconds)
... ... @@ -866,200 +866,102 @@
866 866  
867 867  (% style="color:#037691" %)**Downlink payload**
868 868  
869 -(% border="2" style="width:500px" %)
870 -|**Payload**|(((
849 +(% style="width:500px" %)
850 +|Payload|(((
871 871  <prefix><time>
872 872  )))
873 -|**Parameters**|(((
874 -**prefix** : 0x01
853 +|Parameters|(((
854 +<prefix> 0x01
875 875  
876 -**time** : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
856 +<time> uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
877 877  )))
878 -|**Example**|(((
858 +|Example|(((
879 879  01 **00 75 30**
880 880  
881 881  Sets the uplink interval to 30,000 milliseconds (30 seconds)
882 882  
883 -Conversion: 30000 (dec) = 00 75 30 (hex)
884 -
885 -See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
863 +Note: 00 75 30 (hex) = 30000 (dec)
886 886  )))
887 887  
888 -==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
866 +==== 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**
869 +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** :
871 +* (% style="color:#037691" %)**AT command:**(%%) (% style="color:blue" %)**AT+MOD=N  **
899 899  
900 -1 = (Default mode/factory set):  2ACI + 2AVI + DI + DO + RO
873 +Where N is the work mode.
901 901  
902 -2 = Double DI Counting + DO + RO
875 +**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
878 +* (% style="color:#037691" %)**Downlink payload (prefix 0x0A):**
907 907  
908 -5 = Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
880 +(% 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**
884 +==== 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
886 +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 -)))
889 +* (% style="color:#037691" %)**AT command:**(%%) There is no AT Command to poll uplink
933 933  
934 -==== 3.4.2.3 Poll an uplink ====
891 +* (% style="color:#037691" %)**Downlink payload (prefix 0x08):**
935 935  
936 -Requests an uplink from LT-22222-L.
893 +(% style="color:blue" %)**0x08 FF  **(%%)** **~/~/ Poll an uplink
937 937  
938 -(% style="color:#037691" %)**AT command**
895 +**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"]]).
901 +Enable or disable the trigger mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
956 956  
957 -(% style="color:#037691" %)**AT Command**
903 +* (% 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** :
905 +(% style="color:red" %)**1:** (%%)Enable the trigger mode
964 964  
965 -1 = enable trigger mode
907 +(% 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 -)))
910 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
974 974  
975 -(% style="color:#037691" %)**Downlink payload**
912 +(% 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:**
920 +* (% 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**
924 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
999 999  
1000 -(% 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
926 +(% 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.
930 +==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as a trigger ====
1012 1012  
1013 -(% style="color:#037691" %)**AT Command**
932 +Enable or disable DI1/DI2/DI2 as a trigger.
1014 1014  
1015 -(% 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:**
934 +* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
1020 1020  
1021 -1 = enable DI1 trigger
936 +**Example:** AT+ DTRI =1,0 (Enable DI1 trigger / disable DI2 trigger)
1022 1022  
1023 -0 = disable DI1 trigger
1024 1024  
1025 -**DI2 _trigger**
939 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
1026 1026  
1027 -1 = enable DI2 trigger
941 +(% 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 -(% 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.
... ... @@ -1078,41 +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 -(% 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 -
1116 1116  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
1117 1117  
1118 1118  Sets DI2 as a trigger.
... ... @@ -1123,7 +1123,7 @@
1123 1123  
1124 1124  (% style="color:red" %)**b :** (%%)delay timing.
1125 1125  
1126 -**Example:** AT+TRIG2=0,100 (Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms)
973 +**Example:** AT+TRIG2=0,100 (set DI1 port to trigger on low level, valid signal is 100ms )
1127 1127  
1128 1128  
1129 1129  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
... ... @@ -1131,35 +1131,6 @@
1131 1131  (% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
1132 1132  
1133 1133  
1134 -(% style="color:#037691" %)**AT Command**
1135 -
1136 -(% border="2" style="width:500px" %)
1137 -|(% style="width:94px" %)**Command**|(% style="width:404px" %)AT+TRIG2=<interrupt_mode>,<minimum_signal_duration>
1138 -|(% style="width:94px" %)**Response**|(% style="width:404px" %)
1139 -|(% style="width:94px" %)**Parameters**|(% style="width:404px" %)(((
1140 -**interrupt_mode **:  0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1).
1141 -
1142 -**minimum_signal_duration** : the **minimum signal duration** required for the DI1 port to recognize a valid trigger.
1143 -)))
1144 -|(% style="width:94px" %)**Example**|(% style="width:404px" %)(((
1145 -AT+TRIG2=0,100
1146 -
1147 -Set the DI1 port to trigger on a falling edge; the valid signal duration is 100 ms.
1148 -)))
1149 -
1150 -(% style="color:#037691" %)**Downlink Payload**
1151 -
1152 -(% border="2" style="width:500px" %)
1153 -|(% style="width:96px" %)**Payload**|(% style="width:402px" %)<prefix><interrupt_mode><minimum_signal_duration>
1154 -|(% style="width:96px" %)**Parameters**|(% style="width:402px" %)(((
1155 -**prefix** : 09 02
1156 -
1157 -**interrupt_mode **: 0: falling edge; 1: rising edge, 2: falling and raising edge (for MOD=1), represented by 1 byte in hexadecimal.
1158 -
1159 -**minimum_signal_duration** : in milliseconds, represented two bytes in hexadecimal
1160 -)))
1161 -|(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
1162 -
1163 1163  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
1164 1164  
1165 1165  Sets the current trigger based on the AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1171,37 +1171,7 @@
1171 1171  (% 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"]]
1172 1172  
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 -|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1181 -AT+ACLIM=10000,15000,0,0
1182 1182  
1183 -Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
1184 -)))
1185 -
1186 -(% border="2" style="width:500px" %)
1187 -|(% style="width:104px" %)**Payload**|(% style="width:394px" %)<prefix><AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
1188 -|(% style="width:104px" %)**Parameters**|(% style="width:394px" %)(((
1189 -**prefix **: AA 01 - two bytes in hexadecimal
1190 -
1191 -**AC1_LIMIT_LOW** : lower limit of the current to be checked / threshold, two bytes in hexadecimal
1192 -
1193 -**AC1_LIMIT_HIGH **: higher limit of the current to be checked / threshold, two bytes in hexadecimal
1194 -
1195 -**AC2_LIMIT_HIGH **: lower limit of the current to be checked / threshold, two bytes in hexadecimal
1196 -
1197 -**AC2_LIMIT_HIGH** : higher limit of the current to be checked / threshold, two bytes in hexadecimal
1198 -)))
1199 -|(% style="width:104px" %)**Example**|(% style="width:394px" %)(((
1200 -AA 01 27 10 3A 98 00 00 00 00
1201 -
1202 -Triggers an uplink if AC1 current is lower than 10mA or higher than 15mA
1203 -)))
1204 -
1205 1205  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1206 1206  
1207 1207  Sets the current trigger based on the AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -1693,7 +1693,7 @@
1693 1693  [[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
1694 1694  
1695 1695  
1696 -==== 3.5.2.1 Viewing integration details ====
1484 +**Viewing integration details**:
1697 1697  
1698 1698  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.
1699 1699  
... ... @@ -1706,7 +1706,7 @@
1706 1706  See also ThingsEye documentation.
1707 1707  {{/info}}
1708 1708  
1709 -==== **3.5.2.2 Viewing events** ====
1497 +**Viewing events:**
1710 1710  
1711 1711  The **Events **tab displays all the uplink messages from the LT-22222-L.
1712 1712  
... ... @@ -1721,22 +1721,22 @@
1721 1721  [[image:thingseye-json.png||width="1000"]]
1722 1722  
1723 1723  
1724 -==== **3.5.2.3 Deleting an integration** ====
1512 +**Deleting the integration**:
1725 1725  
1726 -If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
1514 +If you want to delete this integration, click the **Delete integratio**n button.
1727 1727  
1728 1728  
1729 1729  == 3.6 Interface Details ==
1730 1730  
1731 -=== 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active ) ===
1519 +=== 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1732 1732  
1733 1733  
1734 -Supports NPN-type sensors.
1522 +Support NPN-type sensor
1735 1735  
1736 1736  [[image:1653356991268-289.png]]
1737 1737  
1738 1738  
1739 -=== 3.6.2 Digital Input Ports: DI1/DI2 ===
1527 +=== 3.6.2 Digital Input Ports: DI1/DI2 ( For LT-22222-L) ===
1740 1740  
1741 1741  
1742 1742  (((
... ... @@ -1866,7 +1866,7 @@
1866 1866  [[image:image-20240219115718-1.png]]
1867 1867  
1868 1868  
1869 -=== 3.6.3 Digital Output Ports: DO1/DO2 ===
1657 +=== 3.6.3 Digital Output Ports: DO1/DO2 /DO3 ===
1870 1870  
1871 1871  
1872 1872  (% style="color:blue" %)**NPN output**(%%): GND or Float. The maximum voltage that can be applied to the output pin is 36V.
... ... @@ -1939,11 +1939,10 @@
1939 1939  
1940 1940  == 3.7 LEDs Indicators ==
1941 1941  
1942 -The table below lists the behavior of LED indicators for each port function.
1943 1943  
1944 1944  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1945 1945  |(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1946 -|**PWR**|Always on when there is power
1733 +|**PWR**|Always on if there is power
1947 1947  |**TX**|(((
1948 1948  (((
1949 1949  Device boot: TX blinks 5 times.
... ... @@ -1950,7 +1950,7 @@
1950 1950  )))
1951 1951  
1952 1952  (((
1953 -Successful network join: TX remains ON for 5 seconds.
1740 +Successful join network: TX ON for 5 seconds.
1954 1954  )))
1955 1955  
1956 1956  (((
... ... @@ -1957,7 +1957,7 @@
1957 1957  Transmit a LoRa packet: TX blinks once
1958 1958  )))
1959 1959  )))
1960 -|**RX**|RX blinks once when a packet is received.
1747 +|**RX**|RX blinks once when receiving a packet.
1961 1961  |**DO1**|For LT-22222-L: ON when DO1 is low, OFF when DO1 is high
1962 1962  |**DO2**|For LT-22222-L: ON when DO2 is low, OFF when DO2 is high
1963 1963  |**DI1**|(((
... ... @@ -1977,10 +1977,9 @@
1977 1977  
1978 1978  (((
1979 1979  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.
1980 -
1981 -[[image:usb-ttl-programming.png]]
1982 1982  )))
1983 1983  
1769 +[[image:1653358238933-385.png]]
1984 1984  
1985 1985  
1986 1986  (((
... ... @@ -1997,21 +1997,21 @@
1997 1997  )))
1998 1998  
1999 1999  (((
2000 -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.
1786 +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.
2001 2001  
2002 -* **##AT##+<CMD>?** : Help on <CMD>
2003 -* **##AT##+<CMD>** : Run <CMD>
2004 -* **##AT##+<CMD>=<value>** : Set the value
2005 -* **##AT##+<CMD>=?** : Get the value
2006 -* ##**ATZ**##: Trigger a reset of the MCU
1788 +* AT+<CMD>? : Help on <CMD>
1789 +* AT+<CMD> : Run <CMD>
1790 +* AT+<CMD>=<value> : Set the value
1791 +* AT+<CMD>=? : Get the value
1792 +* ATZ: Trigger a reset of the MCU
2007 2007  * ##**AT+FDR**##: Reset Parameters to factory default, reserve keys 
2008 2008  * **##AT+DEUI##**: Get or set the Device EUI (DevEUI)
2009 2009  * **##AT+DADDR##**: Get or set the Device Address (DevAddr)
2010 2010  * **##AT+APPKEY##**: Get or set the Application Key (AppKey)
2011 -* ##**AT+NWKSKEY**##: Get or set the Network Session Key (NwkSKey)
2012 -* **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
2013 -* **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
2014 -* **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
1797 +* AT+NWKSKEY: Get or set the Network Session Key (NwkSKey)
1798 +* AT+APPSKEY: Get or set the Application Session Key (AppSKey)
1799 +* AT+APPEUI: Get or set the Application EUI (AppEUI)
1800 +* AT+ADR: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
2015 2015  * AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
2016 2016  * AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
2017 2017  * AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
... ... @@ -2056,28 +2056,28 @@
2056 2056  
2057 2057  
2058 2058  (((
2059 -(% style="color:blue" %)**If the device has not yet joined the network:**
1845 +(% style="color:blue" %)**If the device has not joined the network yet:**
2060 2060  )))
2061 2061  )))
2062 2062  
2063 2063  (((
2064 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1850 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
2065 2065  )))
2066 2066  
2067 2067  (((
2068 -(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/Reset parameters to factory default, Reserve keys**##
1854 +(% style="background-color:#dcdcdc" %)##**AT+FDR ~/~/reset parameters to factory default, reserve keys**##
2069 2069  )))
2070 2070  
2071 2071  (((
2072 -(% style="background-color:#dcdcdc" %)##**123456 ~/~/Enter the password to enable AT commands access**##
1858 +(% style="background-color:#dcdcdc" %)##**123456 ~/~/enable AT commands access**##
2073 2073  )))
2074 2074  
2075 2075  (((
2076 -(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/Set to ABP mode**##
1862 +(% style="background-color:#dcdcdc" %)##**AT+NJM=0 ~/~/set to ABP mode**##
2077 2077  )))
2078 2078  
2079 2079  (((
2080 -(% style="background-color:#dcdcdc" %)##**ATZ ~/~/Reset MCU**##
1866 +(% style="background-color:#dcdcdc" %)##**ATZ ~/~/reset MCU**##
2081 2081  )))
2082 2082  
2083 2083  
... ... @@ -2100,20 +2100,20 @@
2100 2100  
2101 2101  
2102 2102  (((
2103 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter password to enable AT commands access
1889 +(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
2104 2104  )))
2105 2105  )))
2106 2106  
2107 2107  (((
2108 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset parameters to Factory Default, Reserve keys
1894 +(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
2109 2109  )))
2110 2110  
2111 2111  (((
2112 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter password to enable AT commands access
1898 +(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
2113 2113  )))
2114 2114  
2115 2115  (((
2116 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to CLASS C mode
1902 +(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
2117 2117  )))
2118 2118  
2119 2119  (((
... ... @@ -2133,19 +2133,19 @@
2133 2133  )))
2134 2134  
2135 2135  (((
2136 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4 MHz
1922 +(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
2137 2137  )))
2138 2138  
2139 2139  (((
2140 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2 frequency to 868.4 MHz (according to the result from the server)
1926 +(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
2141 2141  )))
2142 2142  
2143 2143  (((
2144 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2 DR to match the downlink DR from the server. See below.
1930 +(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
2145 2145  )))
2146 2146  
2147 2147  (((
2148 -(% 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.
1934 +(% 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.
2149 2149  )))
2150 2150  
2151 2151  (((
... ... @@ -2159,14 +2159,14 @@
2159 2159  )))
2160 2160  
2161 2161  (((
2162 -**~1. Ensure that the device is set to ABP mode in the LoRaWAN Network Server.**
1948 +**~1. Make sure the device is set to ABP mode in the IoT Server.**
2163 2163  
2164 -**2. Verify that the LG01/02 gateway RX frequency matches the AT+CHS setting exactly.**
1950 +**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
2165 2165  
2166 -**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?
1952 +**3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
2167 2167  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2168 2168  
2169 -**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.**
1955 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
2170 2170  )))
2171 2171  
2172 2172  (((
... ... @@ -2178,7 +2178,7 @@
2178 2178  
2179 2179  
2180 2180  (((
2181 -(% style="color:blue" %)**If the sensor has JOINED:**
1967 +(% style="color:blue" %)**If sensor JOINED:**
2182 2182  
2183 2183  (% style="background-color:#dcdcdc" %)**AT+CLASS=A**
2184 2184  
... ... @@ -2188,20 +2188,22 @@
2188 2188  
2189 2189  = 5. Case Study =
2190 2190  
2191 -== 5.1 Counting how many objects pass through the flow line ==
1977 +== 5.1 Counting how many objects pass through the flow Line ==
2192 2192  
2193 -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]]?
2194 2194  
1980 +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]]?
2195 2195  
1982 +
2196 2196  = 6. FAQ =
2197 2197  
2198 2198  This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2199 2199  
2200 -
2201 2201  == 6.1 How to update the firmware? ==
2202 2202  
2203 -Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
1989 +Dragino frequently releases firmware updates for the LT-22222-L.
2204 2204  
1991 +Updating your LT-22222-L with the latest firmware version helps to:
1992 +
2205 2205  * Support new features
2206 2206  * Fix bugs
2207 2207  * Change LoRaWAN frequency bands
... ... @@ -2219,8 +2219,8 @@
2219 2219  
2220 2220  Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2221 2221  
2222 -[[image:usb-ttl-programming.png]]
2223 2223  
2011 +[[image:1653359603330-121.png]]
2224 2224  
2225 2225  
2226 2226  Start the STM32 Flash Loader and choose the correct COM port to update.
... ... @@ -2244,7 +2244,7 @@
2244 2244  [[image:image-20220524104033-15.png]]
2245 2245  
2246 2246  
2247 -(% 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:
2035 +(% 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:
2248 2248  
2249 2249  [[image:1653360054704-518.png||height="186" width="745"]]
2250 2250  
... ... @@ -2252,6 +2252,8 @@
2252 2252  (((
2253 2253  (((
2254 2254  == 6.2 How to change the LoRaWAN frequency band/region? ==
2043 +
2044 +
2255 2255  )))
2256 2256  )))
2257 2257  
... ... @@ -2262,18 +2262,20 @@
2262 2262  (((
2263 2263  
2264 2264  
2265 -== 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2055 +== 6.3 How to setup LT to work with a Single Channel Gateway, such as LG01/LG02? ==
2056 +
2057 +
2266 2266  )))
2267 2267  
2268 2268  (((
2269 2269  (((
2270 -In this case, you need to set the LT-22222-L to work in ABP mode and transmit on only one frequency.
2062 +In this case, you need to set the LT-33222-L to work in ABP mode and transmit on only one frequency.
2271 2271  )))
2272 2272  )))
2273 2273  
2274 2274  (((
2275 2275  (((
2276 -We assume you have an LG01/LG02 working on the frequency 868400000. Below are the steps.
2068 +Assume you have an LG02 working on the frequency 868400000. Below are the steps.
2277 2277  
2278 2278  
2279 2279  )))
... ... @@ -2280,55 +2280,52 @@
2280 2280  )))
2281 2281  
2282 2282  (((
2283 -(% 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).
2075 +(% 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.
2284 2284  
2285 -[[image:lt-22222-l-abp.png||height="686" width="1000"]]
2077 +
2286 2286  )))
2287 2287  
2288 2288  (((
2081 +[[image:1653360231087-571.png||height="401" width="727"]]
2082 +
2289 2289  
2290 2290  )))
2291 2291  
2292 -{{warning}}
2293 -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.
2294 -{{/warning}}
2086 +(((
2087 +(% 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.**
2088 +)))
2295 2295  
2296 2296  
2091 +
2297 2297  (((
2298 -(% 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:
2093 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2299 2299  
2300 2300  
2301 2301  )))
2302 2302  
2303 2303  (((
2304 -(% style="background-color:#dcdcdc" %)**123456** (%%) : Enter the password to enable AT access.
2099 +(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2305 2305  
2306 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%) : Reset parameters to factory default, keeping keys reserved.
2101 +(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2307 2307  
2308 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) : Set to ABP mode.
2103 +(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2309 2309  
2310 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) : Disable the Adaptive Data Rate (ADR).
2105 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2311 2311  
2312 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) : Set Data Rate (Use AT+DR=3 for the 915 MHz band).
2107 +(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2313 2313  
2314 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) : Set transmit interval to 60 seconds.
2109 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2315 2315  
2316 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4 MHz.
2111 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2317 2317  
2318 -(% style="background-color:#dcdcdc" %)**AT+DADDR=xxxx**(%%) : Set the Device Address (DevAddr)
2113 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2319 2319  
2320 -(% 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)
2321 -
2322 -(% 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)
2323 -
2324 -(% 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)
2325 -
2326 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) : Reset MCU.
2115 +(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
2327 2327  )))
2328 2328  
2329 2329  
2330 2330  (((
2331 -(% 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:
2120 +As shown in below:
2332 2332  )))
2333 2333  
2334 2334  [[image:1653360498588-932.png||height="485" width="726"]]
... ... @@ -2336,25 +2336,27 @@
2336 2336  
2337 2337  == 6.4 How to change the uplink interval? ==
2338 2338  
2128 +
2339 2339  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/]]
2340 2340  
2341 2341  
2342 2342  == 6.5 Can I see the counting event in the serial output? ==
2343 2343  
2134 +
2344 2344  (((
2345 -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.
2136 +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.
2346 2346  
2347 2347  
2348 2348  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
2349 2349  
2350 -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]].
2351 2351  
2352 -
2142 +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]].
2353 2353  )))
2354 2354  
2355 2355  (((
2356 2356  == 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2357 2357  
2148 +
2358 2358  * If the device is not properly shut down and is directly powered off.
2359 2359  * It will default to a power-off state.
2360 2360  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
... ... @@ -2362,6 +2362,7 @@
2362 2362  
2363 2363  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2364 2364  
2156 +
2365 2365  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:
2366 2366  
2367 2367  
... ... @@ -2370,24 +2370,24 @@
2370 2370  
2371 2371  == 6.9 Can the LT-22222-L save the RO state? ==
2372 2372  
2373 -To enable this feature, the firmware version must be 1.6.0 or higher.
2374 2374  
2166 +The firmware version must be at least 1.6.0.
2375 2375  
2168 +
2376 2376  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2377 2377  
2171 +
2378 2378  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2379 2379  
2380 2380  
2381 2381  = 7. Troubleshooting =
2382 -
2383 -This section provides some known troubleshooting tips.
2384 -
2385 -
2386 2386  )))
2387 2387  
2388 2388  (((
2389 2389  (((
2390 2390  == 7.1 Downlink isn't working. How can I solve this? ==
2181 +
2182 +
2391 2391  )))
2392 2392  )))
2393 2393  
... ... @@ -2399,6 +2399,8 @@
2399 2399  
2400 2400  
2401 2401  == 7.2 Having trouble uploading an image? ==
2194 +
2195 +
2402 2402  )))
2403 2403  
2404 2404  (((
... ... @@ -2409,6 +2409,8 @@
2409 2409  
2410 2410  
2411 2411  == 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2206 +
2207 +
2412 2412  )))
2413 2413  
2414 2414  (((
... ... @@ -2416,8 +2416,9 @@
2416 2416  )))
2417 2417  
2418 2418  
2419 -== 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2215 +== 7.4 Why can the LT-22222-L perform Uplink normally, but cannot receive Downlink? ==
2420 2420  
2217 +
2421 2421  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2422 2422  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2423 2423  
... ... @@ -2424,6 +2424,7 @@
2424 2424  
2425 2425  = 8. Ordering information =
2426 2426  
2224 +
2427 2427  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2428 2428  
2429 2429  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2438,14 +2438,15 @@
2438 2438  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2439 2439  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2440 2440  
2441 -= 9. Package information =
2239 += 9. Packing information =
2442 2442  
2241 +
2443 2443  **Package includes**:
2444 2444  
2445 2445  * 1 x LT-22222-L I/O Controller
2446 2446  * 1 x LoRa antenna matched to the frequency of the LT-22222-L
2447 2447  * 1 x bracket for DIN rail mounting
2448 -* 1 x 3.5 mm programming cable
2247 +* 1 x 3.5mm programming cable
2449 2449  
2450 2450  **Dimension and weight**:
2451 2451  
... ... @@ -2456,6 +2456,7 @@
2456 2456  
2457 2457  = 10. Support =
2458 2458  
2258 +
2459 2459  * (((
2460 2460  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.
2461 2461  )))
... ... @@ -2467,6 +2467,7 @@
2467 2467  
2468 2468  = 11. Reference​​​​​ =
2469 2469  
2270 +
2470 2470  * 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]]
2471 2471  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2472 2472  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
lt-22222-l-abp.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.pradeeka
Size
... ... @@ -1,1 +1,0 @@
1 -321.4 KB
Content
usb-ttl-programming.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.pradeeka
Size
... ... @@ -1,1 +1,0 @@
1 -462.9 KB
Content

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0