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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 209.1
edited by Dilisi S
on 2024/11/22 19:34
Change comment: Nov 22 - edits part 1
To version 230.14
edited by Xiaoling
on 2024/12/09 10:52
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.pradeeka
1 +XWiki.Xiaoling
Content
... ... @@ -21,6 +21,7 @@
21 21  
22 22  == 1.1 What is the LT-22222-L I/O Controller? ==
23 23  
24 +
24 24  (((
25 25  (((
26 26  {{info}}
... ... @@ -54,8 +54,10 @@
54 54  (% class="wikigeneratedid" %)
55 55  [[image:lorawan-nw.jpg||height="354" width="900"]]
56 56  
58 +
57 57  == 1.2 Specifications ==
58 58  
61 +
59 59  (% style="color:#037691" %)**Hardware System:**
60 60  
61 61  * STM32L072xxxx MCU
... ... @@ -95,8 +95,10 @@
95 95  * Automatic RF Sense and CAD with ultra-fast AFC.
96 96  * Packet engine up to 256 bytes with CRC.
97 97  
101 +
98 98  == 1.3 Features ==
99 99  
104 +
100 100  * LoRaWAN Class A & Class C modes
101 101  * Optional Customized LoRa Protocol
102 102  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
... ... @@ -105,8 +105,10 @@
105 105  * Firmware upgradable via program port
106 106  * Counting
107 107  
113 +
108 108  == 1.4 Applications ==
109 109  
116 +
110 110  * Smart buildings & home automation
111 111  * Logistics and supply chain management
112 112  * Smart metering
... ... @@ -114,13 +114,16 @@
114 114  * Smart cities
115 115  * Smart factory
116 116  
124 +
117 117  == 1.5 Hardware Variants ==
118 118  
119 -(% style="width:524px" %)
120 -|(% style="width:94px" %)**Model**|(% style="width:98px" %)**Photo**|(% style="width:329px" %)**Description**
121 -|(% style="width:94px" %)**LT33222-L**|(% style="width:98px" %)(((
122 -
123 -)))|(% style="width:329px" %)(((
127 +
128 +(% border="1" cellspacing="3" style="width:510px" %)
129 +|(% style="background-color:#4f81bd; color:white; width:94px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:172px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:244px" %)**Description**
130 +|(% style="width:94px" %)**LT-22222-L**|(% style="width:172px" %)(((
131 +(% style="text-align:center" %)
132 +[[image:lt33222-l.jpg||height="110" width="95"]]
133 +)))|(% style="width:256px" %)(((
124 124  * 2 x Digital Input (Bi-direction)
125 125  * 2 x Digital Output
126 126  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -129,10 +129,12 @@
129 129  * 1 x Counting Port
130 130  )))
131 131  
132 -== 2. Assembling the device ==
133 133  
143 += 2. Assembling the device =
144 +
134 134  == 2.1 Connecting the antenna ==
135 135  
147 +
136 136  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.
137 137  
138 138  {{warning}}
... ... @@ -139,35 +139,37 @@
139 139  **Warning! Do not power on the device without connecting the antenna.**
140 140  {{/warning}}
141 141  
154 +
142 142  == 2.2 Terminals ==
143 143  
157 +
144 144  The  LT-22222-L has two screw terminal blocks. The upper screw treminal block has 6 screw terminals and the lower screw terminal block has 10 screw terminals.
145 145  
146 146  **Upper screw terminal block (from left to right):**
147 147  
148 -(% style="width:634px" %)
149 -|=(% style="width: 295px;" %)Screw Terminal|=(% style="width: 338px;" %)Function
150 -|(% style="width:295px" %)GND|(% style="width:338px" %)Ground
151 -|(% style="width:295px" %)VIN|(% style="width:338px" %)Input Voltage
152 -|(% style="width:295px" %)AVI2|(% style="width:338px" %)Analog Voltage Input Terminal 2
153 -|(% style="width:295px" %)AVI1|(% style="width:338px" %)Analog Voltage Input Terminal 1
154 -|(% style="width:295px" %)ACI2|(% style="width:338px" %)Analog Current Input Terminal 2
155 -|(% style="width:295px" %)ACI1|(% style="width:338px" %)Analog Current Input Terminal 1
162 +(% border="1" cellspacing="3" style="width:381px;background-color:#f2f2f2" %)
163 +|=(% style="width: 139px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 242px;background-color:#4f81bd" %)Function
164 +|(% style="width:139px" %)GND|(% style="width:242px" %)Ground
165 +|(% style="width:139px" %)VIN|(% style="width:242px" %)Input Voltage
166 +|(% style="width:139px" %)AVI2|(% style="width:242px" %)Analog Voltage Input Terminal 2
167 +|(% style="width:139px" %)AVI1|(% style="width:242px" %)Analog Voltage Input Terminal 1
168 +|(% style="width:139px" %)ACI2|(% style="width:242px" %)Analog Current Input Terminal 2
169 +|(% style="width:139px" %)ACI1|(% style="width:242px" %)Analog Current Input Terminal 1
156 156  
157 157  **Lower screw terminal block (from left to right):**
158 158  
159 -(% style="width:633px" %)
160 -|=(% style="width: 296px;" %)Screw Terminal|=(% style="width: 334px;" %)Function
161 -|(% style="width:296px" %)RO1-2|(% style="width:334px" %)Relay Output 1
162 -|(% style="width:296px" %)RO1-1|(% style="width:334px" %)Relay Output 1
163 -|(% style="width:296px" %)RO2-2|(% style="width:334px" %)Relay Output 2
164 -|(% style="width:296px" %)RO2-1|(% style="width:334px" %)Relay Output 2
165 -|(% style="width:296px" %)DI2+|(% style="width:334px" %)Digital Input 2
166 -|(% style="width:296px" %)DI2-|(% style="width:334px" %)Digital Input 2
167 -|(% style="width:296px" %)DI1+|(% style="width:334px" %)Digital Input 1
168 -|(% style="width:296px" %)DI1-|(% style="width:334px" %)Digital Input 1
169 -|(% style="width:296px" %)DO2|(% style="width:334px" %)Digital Output 2
170 -|(% style="width:296px" %)DO1|(% style="width:334px" %)Digital Output 1
173 +(% border="1" cellspacing="3" style="width:253px;background-color:#f2f2f2" %)
174 +|=(% style="width: 125px;background-color:#4f81bd;color:white" %)Screw Terminal|=(% style="width: 128px;background-color:#4f81bd;color:white" %)Function
175 +|(% style="width:125px" %)RO1-2|(% style="width:128px" %)Relay Output 1
176 +|(% style="width:125px" %)RO1-1|(% style="width:128px" %)Relay Output 1
177 +|(% style="width:125px" %)RO2-2|(% style="width:128px" %)Relay Output 2
178 +|(% style="width:125px" %)RO2-1|(% style="width:128px" %)Relay Output 2
179 +|(% style="width:125px" %)DI2+|(% style="width:128px" %)Digital Input 2
180 +|(% style="width:125px" %)DI2-|(% style="width:128px" %)Digital Input 2
181 +|(% style="width:125px" %)DI1+|(% style="width:128px" %)Digital Input 1
182 +|(% style="width:125px" %)DI1-|(% style="width:128px" %)Digital Input 1
183 +|(% style="width:125px" %)DO2|(% style="width:128px" %)Digital Output 2
184 +|(% style="width:125px" %)DO1|(% style="width:128px" %)Digital Output 1
171 171  
172 172  == 2.3 Connecting LT-22222-L to a Power Source ==
173 173  
... ... @@ -174,7 +174,7 @@
174 174  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.
175 175  
176 176  {{warning}}
177 -**We recommend that you power on the LT-22222-L after configuring its registration information with a LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
191 +**We recommend that you power on the LT-22222-L after adding its registration information to the LoRaWAN network server. Otherwise, the device will continuously send join-request messages to attempt to join a LoRaWAN network but will fail.**
178 178  {{/warning}}
179 179  
180 180  
... ... @@ -237,7 +237,7 @@
237 237  *** **Profile (Region)**: Select the region that matches your device.
238 238  ** Select the **Frequency plan** that matches your device from the **Frequency plan** dropdown list.
239 239  
240 -[[image:lt-22222-l-dev-repo-reg-p1.png||height="625" width="1000"]]
254 +[[image:lt-22222-l-dev-repo-reg-p1.png]]
241 241  
242 242  
243 243  * Register end device page continued...
... ... @@ -247,9 +247,8 @@
247 247  ** In the **End device ID** field, enter a unique name for your LT-22222-N within this application.
248 248  ** Under **After registration**, select the **View registered end device** option.
249 249  
250 -[[image:lt-22222-l-dev-repo-reg-p2.png||height="625" width="1000"]]
264 +[[image:lt-22222-l-dev-repo-reg-p2.png]]
251 251  
252 -==== ====
253 253  
254 254  ==== 3.2.2.3 Adding device manually ====
255 255  
... ... @@ -262,7 +262,7 @@
262 262  ** Select the option **Over the air activation (OTAA)** under the **Activation mode.**
263 263  ** Select **Class C (Continuous)** from the **Additional LoRaWAN class capabilities** dropdown list.
264 264  
265 -[[image:lt-22222-l-manually-p1.png||height="625" width="1000"]]
278 +[[image:lt-22222-l-manually-p1.png]]
266 266  
267 267  
268 268  * Register end device page continued...
... ... @@ -273,13 +273,13 @@
273 273  ** Under **After registration**, select the **View registered end device** option.
274 274  ** Click the **Register end device** button.
275 275  
276 -[[image:lt-22222-l-manually-p2.png||height="625" width="1000"]]
289 +[[image:lt-22222-l-manually-p2.png]]
277 277  
278 278  
279 279  You will be navigated to the **Device overview** page.
280 280  
281 281  
282 -[[image:lt-22222-device-overview.png||height="625" width="1000"]]
295 +[[image:lt-22222-device-overview.png]]
283 283  
284 284  
285 285  ==== 3.2.2.4 Joining ====
... ... @@ -289,9 +289,10 @@
289 289  Now power on your LT-22222-L. 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 network server. The **TX LED** will be on for **5 seconds** after joining the network. In the **Live data** panel, you can see the **join-request** and **join-accept** messages exchanged between the device and the network server.
290 290  
291 291  
292 -[[image:lt-22222-join-network.png||height="625" width="1000"]]
305 +[[image:lt-22222-l-joining.png]]
293 293  
294 294  
308 +
295 295  ==== 3.2.2.5 Uplinks ====
296 296  
297 297  
... ... @@ -308,9 +308,15 @@
308 308  The Things Stack provides two levels of payload formatters: application level and device level. The device-level payload formatters **override **the application-level payload formatters.
309 309  {{/info}}
310 310  
311 -[[image:lt-22222-ul-payload-fmt.png||height="686" width="1000"]]
325 +[[image:lt-22222-ul-payload-fmt.png]]
312 312  
313 313  
328 +We also have a payload formatter that resolves some decoding issues present in the Device Repository formatter. You can add it under the Custom JavaScript formatter. It can be found [[here>>https://github.com/dragino/dragino-end-node-decoder/blob/main/LT22222-L/v1.6_decoder_ttn%20.txt]]:
329 +
330 +(% class="wikigeneratedid" %)
331 +[[image:lt-22222-l-js-custom-payload-formatter.png]]
332 +
333 +
314 314  ==== 3.2.2.6 Downlinks ====
315 315  
316 316  When the LT-22222-L receives a downlink message from the server, the **RX LED** turns on for **1 second**.
... ... @@ -599,11 +599,11 @@
599 599  
600 600  (% style="color:blue" %)**AT+SETCNT=3,60 **(%%)**(Sets AVI1 Count to 60)**
601 601  
602 -(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
622 +(% style="color:blue" %)**AT+VOLMAX=20000 **(%%)**(If the AVI1 voltage is higher than VOLMAX (20000mV =20V), the counter increases by 1)**
603 603  
604 -(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
624 +(% style="color:blue" %)**AT+VOLMAX=20000,0 **(%%)**(If the AVI1 voltage is lower than VOLMAX (20000mV =20V), counter increases by 1)**
605 605  
606 -(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
626 +(% style="color:blue" %)**AT+VOLMAX=20000,1 **(%%)**(If the AVI1 voltage is higher than VOLMAX (20000mV =20V), counter increases by 1)**
607 607  )))
608 608  
609 609  
... ... @@ -722,9 +722,9 @@
722 722  
723 723  (% style="color:#037691" %)**LoRaWAN Downlink Commands for Setting the Trigger Conditions:**
724 724  
725 -Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
745 +**Type Code**: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
726 726  
727 -Format: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
747 +**Format**: AA xx yy1 yy1 yy2 yy2 yy3 yy3 yy4 yy4
728 728  
729 729   AA: Type Code for this downlink Command:
730 730  
... ... @@ -753,7 +753,7 @@
753 753  
754 754  MOD6 Payload: total of 11 bytes
755 755  
756 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
776 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
757 757  |(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
758 758  |Value|(((
759 759  TRI_A FLAG
... ... @@ -767,7 +767,7 @@
767 767  
768 768  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if the trigger is set for this part. Totally 1 byte as below
769 769  
770 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
790 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
771 771  |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
772 772  |(((
773 773  AV1_LOW
... ... @@ -791,12 +791,12 @@
791 791  
792 792  **Example:**
793 793  
794 -10100000: Means the system has configure to use the trigger: AV1_LOW and AV2_LOW
814 +10100000: This means the system is configured to use the triggers AV1_LOW and AV2_LOW.
795 795  
796 796  
797 797  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1 byte as below
798 798  
799 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
819 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
800 800  |**bit 7**|**bit 6**|**bit 5**|**bit 4**|**bit 3**|**bit 2**|**bit 1**|**bit 0**
801 801  |(((
802 802  AV1_LOW
... ... @@ -820,31 +820,31 @@
820 820  
821 821  **Example:**
822 822  
823 -10000000: Means this uplink is triggered by AV1_LOW. That means the voltage is too low.
843 +10000000: The uplink is triggered by AV1_LOW, indicating that the voltage is too low.
824 824  
825 825  
826 826  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
827 827  
828 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:674px" %)
829 -|(% style="width:64px" %)**bit 7**|(% style="width:68px" %)**bit 6**|(% style="width:63px" %)**bit 5**|(% style="width:66px" %)**bit 4**|(% style="width:109px" %)**bit 3**|(% style="width:93px" %)**bit 2**|(% style="width:109px" %)**bit 1**|(% style="width:99px" %)**bit 0**
830 -|(% style="width:64px" %)N/A|(% style="width:68px" %)N/A|(% style="width:63px" %)N/A|(% style="width:66px" %)N/A|(% style="width:109px" %)DI2_STATUS|(% style="width:93px" %)DI2_FLAG|(% style="width:109px" %)DI1_STATUS|(% style="width:99px" %)DI1_FLAG
848 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:515px" %)
849 +|(% style="width:50px" %)**bit 7**|(% style="width:50px" %)**bit 6**|(% style="width:50px" %)**bit 5**|(% style="width:50px" %)**bit 4**|(% style="width:90px" %)**bit 3**|(% style="width:80px" %)**bit 2**|(% style="width:90px" %)**bit 1**|(% style="width:95px" %)**bit 0**
850 +|(% style="width:49px" %)N/A|(% style="width:53px" %)N/A|(% style="width:53px" %)N/A|(% style="width:55px" %)N/A|(% style="width:99px" %)DI2_STATUS|(% style="width:83px" %)DI2_FLAG|(% style="width:98px" %)DI1_STATUS|(% style="width:85px" %)DI1_FLAG
831 831  
832 -* Each bits shows which status has been triggered on this uplink.
852 +* Each bit shows which status has been triggered on this uplink.
833 833  
834 834  **Example:**
835 835  
836 -00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
856 +00000111: This means both DI1 and DI2 triggers are enabled, and this packet is trigger by DI1.
837 837  
838 -00000101: Means both DI1 and DI2 trigger are enabled.
858 +00000101: This means both DI1 and DI2 triggers are enabled.
839 839  
840 840  
841 -(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
861 +(% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enabled. 0x00: MOD6 is disabled.
842 842  
843 -Downlink command to poll MOD6 status:
863 +Downlink command to poll/request MOD6 status:
844 844  
845 845  **AB 06**
846 846  
847 -When device got this command, it will send the MOD6 payload.
867 +When device receives this command, it will send the MOD6 payload.
848 848  
849 849  
850 850  === 3.3.7 Payload Decoder ===
... ... @@ -858,6 +858,7 @@
858 858  
859 859  == 3.4 ​Configure LT-22222-L via AT Commands or Downlinks ==
860 860  
881 +
861 861  (((
862 862  You can configure LT-22222-L I/O Controller via AT Commands or LoRaWAN Downlinks.
863 863  )))
... ... @@ -874,17 +874,22 @@
874 874  
875 875  === 3.4.1 Common commands ===
876 876  
898 +
877 877  (((
878 878  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.
901 +
902 +
879 879  )))
880 880  
881 881  === 3.4.2 Sensor-related commands ===
882 882  
907 +
883 883  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.
884 884  
885 885  
886 -==== 3.4.2.1 Set Transmit Interval ====
911 +==== 3.4.2.1 Set Transmit/Uplink Interval ====
887 887  
913 +
888 888  Sets the uplink interval of the device. The default uplink transmission interval is 10 minutes.
889 889  
890 890  (% style="color:#037691" %)**AT command**
... ... @@ -891,12 +891,19 @@
891 891  
892 892  (% border="2" style="width:500px" %)
893 893  |**Command**|AT+TDC=<time>
894 -|**Response**|
895 -|**Parameters**|**time** : uplink interval is in milliseconds
920 +|**Parameters**|**time **: uplink interval in milliseconds
921 +|**Get**|AT+TDC=?
922 +|**Response**|(((
923 +current uplink interval
924 +
925 +OK
926 +)))
927 +|**Set**|AT+TDC=<time>
928 +|**Response**|OK
896 896  |**Example**|(((
897 897  AT+TDC=30000
898 898  
899 -Sets the uplink interval to 30,000 milliseconds (30 seconds)
932 +Sets the uplink interval to **30 seconds** (30000 milliseconds)
900 900  )))
901 901  
902 902  (% style="color:#037691" %)**Downlink payload**
... ... @@ -908,27 +908,29 @@
908 908  |**Parameters**|(((
909 909  **prefix** : 0x01
910 910  
911 -**time** : uplink interval is in milliseconds, represented by 3  bytes in hexadecimal.
944 +**time** : uplink interval in **seconds**, represented by **3  bytes** in **hexadecimal**.
912 912  )))
913 913  |**Example**|(((
914 -01 **00 75 30**
947 +01 **00 00 1E**
915 915  
916 -Sets the uplink interval to 30,000 milliseconds (30 seconds)
949 +Sets the uplink interval to **30 seconds**
917 917  
918 -Conversion: 30000 (dec) = 00 75 30 (hex)
951 +Conversion: 30 (dec) = 00 00 1E (hex)
919 919  
920 -See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30000]]
953 +See [[RapidTables>>https://www.rapidtables.com/convert/number/decimal-to-hex.html?x=30]]
954 +
955 +[[image:Screenshot 2024-11-23 at 18.27.11.png]]
921 921  )))
922 922  
923 923  ==== 3.4.2.2 Set the Working Mode (AT+MOD) ====
924 924  
960 +
925 925  Sets the working mode.
926 926  
927 927  (% style="color:#037691" %)**AT command**
928 928  
929 929  (% border="2" style="width:500px" %)
930 -|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MODE=<working_mode>
931 -|(% style="width:97px" %)**Response**|(% style="width:413px" %)
966 +|(% style="width:97px" %)**Command**|(% style="width:413px" %)AT+MOD=<working_mode>
932 932  |(% style="width:97px" %)**Parameters**|(% style="width:413px" %)(((
933 933  **working_mode** :
934 934  
... ... @@ -944,6 +944,18 @@
944 944  
945 945  6 = Trigger Mode, Optional, used together with MOD1 ~~ MOD5
946 946  )))
982 +|(% style="width:97px" %)**Get**|(% style="width:413px" %)AT+MOD=?
983 +|(% style="width:97px" %)**Response**|(% style="width:413px" %)(((
984 +Current working mode
985 +
986 +OK
987 +)))
988 +|(% style="width:97px" %)**Set**|(% style="width:413px" %)AT+MOD=<working_mode>
989 +|(% style="width:97px" %)**Response**|(% style="width:413px" %)(((
990 +Attention:Take effect after ATZ
991 +
992 +OK
993 +)))
947 947  |(% style="width:97px" %)**Example**|(% style="width:413px" %)(((
948 948  AT+MOD=2
949 949  
... ... @@ -966,13 +966,14 @@
966 966  Sets the device to working mode 2 (Double DI Counting + DO + RO)
967 967  )))
968 968  
969 -==== 3.4.2.3 Poll an uplink ====
1016 +==== 3.4.2.3 Request an uplink from the device ====
970 970  
971 -Requests an uplink from LT-22222-L.
972 972  
1019 +Requests an uplink from LT-22222-L. The content of the uplink payload varies based on the device's current working mode.
1020 +
973 973  (% style="color:#037691" %)**AT command**
974 974  
975 -There is no AT Command to request an uplink from LT-22222-L
1023 +There is no AT Command available for this feature.
976 976  
977 977  (% style="color:#037691" %)**Downlink payload**
978 978  
... ... @@ -980,7 +980,7 @@
980 980  |(% style="width:101px" %)**Payload**|(% style="width:397px" %)<prefix>FF
981 981  |(% style="width:101px" %)**Parameters**|(% style="width:397px" %)**prefix** : 0x08
982 982  |(% style="width:101px" %)**Example**|(% style="width:397px" %)(((
983 -08 FF
1031 +08 **FF**
984 984  
985 985  Requests an uplink from LT-22222-L.
986 986  )))
... ... @@ -987,6 +987,7 @@
987 987  
988 988  ==== 3.4.2.4 Enable/Disable Trigger Mode ====
989 989  
1038 +
990 990  Enable or disable the trigger mode for the current working mode (see also [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]).
991 991  
992 992  (% style="color:#037691" %)**AT Command**
... ... @@ -1014,7 +1014,7 @@
1014 1014  |(% style="width:97px" %)**Parameters**|(% style="width:401px" %)(((
1015 1015  **prefix** : 0x0A 06 (two bytes in hexadecimal)
1016 1016  
1017 -**working mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
1066 +**enable/disable trigger_mode** : enable (1) or disable (0), represented by 1 byte in hexadecimal.
1018 1018  )))
1019 1019  |(% style="width:97px" %)**Example**|(% style="width:401px" %)(((
1020 1020  0A 06 **01**
... ... @@ -1022,13 +1022,14 @@
1022 1022  Enable trigger mode for the current working mode
1023 1023  )))
1024 1024  
1025 -==== 3.4.2.5 Poll trigger settings ====
1074 +==== 3.4.2.5 Request trigger settings ====
1026 1026  
1027 -Polls the trigger settings.
1028 1028  
1077 +Requests the trigger settings.
1078 +
1029 1029  (% style="color:#037691" %)**AT Command:**
1030 1030  
1031 -There is no AT Command for this feature.
1081 +There is no AT Command available for this feature.
1032 1032  
1033 1033  (% style="color:#037691" %)**Downlink Payload**
1034 1034  
... ... @@ -1043,6 +1043,7 @@
1043 1043  
1044 1044  ==== 3.4.2.6 Enable/Disable DI1/DI2/DI3 as a trigger ====
1045 1045  
1096 +
1046 1046  Enable or disable DI1/DI2/DI3 as a trigger.
1047 1047  
1048 1048  (% style="color:#037691" %)**AT Command**
... ... @@ -1097,9 +1097,9 @@
1097 1097  
1098 1098  ==== 3.4.2.7 Trigger1 – Set DI or DI3 as a trigger ====
1099 1099  
1151 +
1100 1100  Sets DI1 or DI3 (for LT-33222-L) as a trigger.
1101 1101  
1102 -
1103 1103  (% style="color:#037691" %)**AT Command**
1104 1104  
1105 1105  (% border="2" style="width:500px" %)
... ... @@ -1136,9 +1136,9 @@
1136 1136  
1137 1137  ==== 3.4.2.8 Trigger2 – Set DI2 as a trigger ====
1138 1138  
1190 +
1139 1139  Sets DI2 as a trigger.
1140 1140  
1141 -
1142 1142  (% style="color:#037691" %)**AT Command**
1143 1143  
1144 1144  (% border="2" style="width:500px" %)
... ... @@ -1168,10 +1168,9 @@
1168 1168  )))
1169 1169  |(% style="width:96px" %)**Example**|(% style="width:402px" %)09 02 **00 00 64**
1170 1170  
1171 -==== ====
1172 -
1173 1173  ==== 3.4.2.9 Trigger – Set AC (current) as a trigger ====
1174 1174  
1224 +
1175 1175  Sets the current trigger based on the AC port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1176 1176  
1177 1177  (% style="color:#037691" %)**AT Command**
... ... @@ -1221,6 +1221,7 @@
1221 1221  
1222 1222  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
1223 1223  
1274 +
1224 1224  Sets the current trigger based on the AV port. See also [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
1225 1225  
1226 1226  (% style="color:#037691" %)**AT Command**
... ... @@ -1268,6 +1268,7 @@
1268 1268  
1269 1269  ==== 3.4.2.11 Trigger – Set minimum interval ====
1270 1270  
1322 +
1271 1271  Sets the AV and AC trigger minimum interval. The device won't respond to a second trigger within this set time after the first trigger.
1272 1272  
1273 1273  (% style="color:#037691" %)**AT Command**
... ... @@ -1303,6 +1303,7 @@
1303 1303  
1304 1304  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1305 1305  
1358 +
1306 1306  Controls the digital outputs DO1, DO2, and DO3
1307 1307  
1308 1308  (% style="color:#037691" %)**AT Command**
... ... @@ -1333,11 +1333,11 @@
1333 1333  (((
1334 1334  01: Low,  00: High,  11: No action
1335 1335  
1336 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1337 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1338 -|02  01  00  11|Low|High|No Action
1339 -|02  00  11  01|High|No Action|Low
1340 -|02  11  01  00|No Action|Low|High
1389 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:383px" %)
1390 +|(% style="background-color:#4f81bd; color:white; width:126px" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white; width:85px" %)**DO1**|(% style="background-color:#4f81bd; color:white; width:86px" %)**DO2**|(% style="background-color:#4f81bd; color:white; width:86px" %)**DO3**
1391 +|(% style="width:126px" %)02  01  00  11|(% style="width:85px" %)Low|(% style="width:86px" %)High|(% style="width:86px" %)No Action
1392 +|(% style="width:126px" %)02  00  11  01|(% style="width:85px" %)High|(% style="width:86px" %)No Action|(% style="width:86px" %)Low
1393 +|(% style="width:126px" %)02  11  01  00|(% style="width:85px" %)No Action|(% style="width:86px" %)Low|(% style="width:86px" %)High
1341 1341  )))
1342 1342  
1343 1343  (((
... ... @@ -1351,32 +1351,28 @@
1351 1351  )))
1352 1352  )))
1353 1353  
1354 -==== ====
1355 -
1356 1356  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1357 1357  
1358 1358  
1359 1359  * (% style="color:#037691" %)**AT Command**
1360 1360  
1361 -There is no AT Command to control Digital Output
1412 +There is no AT command to control the digital output.
1362 1362  
1363 1363  
1364 1364  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1365 1365  
1366 -(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Set DO1/DO2/DO3 output with time control
1417 +(% style="color:blue" %)**0xA9 aa bb cc     **(%%) ~/~/ Sets DO1/DO2/DO3 outputs with time control
1367 1367  
1368 -
1369 1369  This is to control the digital output time of DO pin. Include four bytes:
1370 1370  
1371 -(% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
1421 +(% style="color:#4f81bd" %)**First byte**(%%)**:** Type code (0xA9)
1372 1372  
1373 -(% style="color:#4f81bd" %)**Second Byte**(%%): Inverter Mode
1423 +(% style="color:#4f81bd" %)**Second byte**(%%): Inverter Mode
1374 1374  
1375 -01: DO pins will change back to original state after timeout.
1425 +**01:** DO pins revert to their original state after the timeout.
1426 +**00:** DO pins switch to an inverted state after the timeout.
1376 1376  
1377 -00: DO pins will change to an inverter state after timeout 
1378 1378  
1379 -
1380 1380  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Port status:
1381 1381  
1382 1382  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
... ... @@ -1385,7 +1385,7 @@
1385 1385  |0x00|DO1 set to high
1386 1386  |0x11|DO1 NO Action
1387 1387  
1388 -(% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Port status:
1437 +(% style="color:#4f81bd" %)**Fourth byte**(%%): Control Method and Port status:
1389 1389  
1390 1390  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1391 1391  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -1393,7 +1393,7 @@
1393 1393  |0x00|DO2 set to high
1394 1394  |0x11|DO2 NO Action
1395 1395  
1396 -(% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Port status:
1445 +(% style="color:#4f81bd" %)**Fifth byte**(%%): Control Method and Port status:
1397 1397  
1398 1398  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1399 1399  |(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
... ... @@ -1401,7 +1401,7 @@
1401 1401  |0x00|DO3 set to high
1402 1402  |0x11|DO3 NO Action
1403 1403  
1404 -(% style="color:#4f81bd" %)**Sixth, Seventh, Eighth, and Ninth Bytes**:(%%) Latching time (Unit: ms)
1453 +(% style="color:#4f81bd" %)**Sixth, Seventh, Eighth, and Ninth bytes**:(%%) Latching time (Unit: ms)
1405 1405  
1406 1406  
1407 1407  (% style="color:red" %)**Note: **
... ... @@ -1410,7 +1410,7 @@
1410 1410  
1411 1411   Before firmware v1.6.0, the latch time only supported 2 bytes.
1412 1412  
1413 -(% style="color:red" %)**Device will upload a packet if the downlink code executes successfully.**
1462 +(% style="color:red" %)**The device will uplink a packet if the downlink code executes successfully.**
1414 1414  
1415 1415  
1416 1416  **Example payload:**
... ... @@ -1437,16 +1437,16 @@
1437 1437  
1438 1438  * (% style="color:#037691" %)**AT Command:**
1439 1439  
1440 -There is no AT Command to control Relay Output
1489 +There is no AT Command to control the Relay Output
1441 1441  
1442 1442  
1443 1443  * (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1444 1444  
1445 -(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Set RO1/RO2 output
1494 +(% style="color:blue" %)**0x03 aa bb     ** (%%)~/~/ Sets RO1/RO2 output
1446 1446  
1447 1447  
1448 1448  (((
1449 -If payload is 0x030100, it means setting RO1 to close and RO2 to open.
1498 +If the payload is 0x030100, it means setting RO1 to close and RO2 to open.
1450 1450  )))
1451 1451  
1452 1452  (((
... ... @@ -1464,28 +1464,29 @@
1464 1464  |03  00  01|Open|Close
1465 1465  )))
1466 1466  
1467 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1516 +(% style="color:red" %)**The device will uplink a packet if the downlink code executes successfully.**
1468 1468  
1469 1469  
1470 1470  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1471 1471  
1521 +
1472 1472  Controls the relay output time.
1473 1473  
1474 1474  * (% style="color:#037691" %)**AT Command:**
1475 1475  
1476 -There is no AT Command to control Relay Output
1526 +There is no AT Command to control the Relay Output
1477 1477  
1478 1478  
1479 1479  * (% style="color:#037691" %)**Downlink Payload (prefix 0x05):**
1480 1480  
1481 -(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Set RO1/RO2 relay with time control
1531 +(% style="color:blue" %)**0x05 aa bb cc dd     ** (%%)~/~/ Sets RO1/RO2 relays with time control
1482 1482  
1483 1483  
1484 -This is to control the relay output time. It includes four bytes:
1534 +This controls the relay output time and includes 4 bytes:
1485 1485  
1486 -(% style="color:#4f81bd" %)**First Byte **(%%)**:** Type code (0x05)
1536 +(% style="color:#4f81bd" %)**First byte **(%%)**:** Type code (0x05)
1487 1487  
1488 -(% style="color:#4f81bd" %)**Second Byte(aa)**(%%): Inverter Mode
1538 +(% style="color:#4f81bd" %)**Second byte (aa)**(%%): Inverter Mode
1489 1489  
1490 1490  01: Relays will change back to their original state after timeout.
1491 1491  
... ... @@ -1492,12 +1492,12 @@
1492 1492  00: Relays will change to the inverter state after timeout.
1493 1493  
1494 1494  
1495 -(% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1545 +(% style="color:#4f81bd" %)**Third byte (bb)**(%%): Control Method and Ports status:
1496 1496  
1497 1497  [[image:image-20221008095908-1.png||height="364" width="564"]]
1498 1498  
1499 1499  
1500 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1550 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh bytes (cc)**(%%): Latching time. Unit: ms
1501 1501  
1502 1502  
1503 1503  (% style="color:red" %)**Note:**
... ... @@ -1507,7 +1507,7 @@
1507 1507   Before firmware v1.6.0, the latch time only supported 2 bytes.
1508 1508  
1509 1509  
1510 -(% style="color:red" %)**Device will upload a packet if the downlink code executes successfully.**
1560 +(% style="color:red" %)**The device will uplink a packet if the downlink code executes successfully.**
1511 1511  
1512 1512  
1513 1513  **Example payload:**
... ... @@ -1535,17 +1535,10 @@
1535 1535  
1536 1536  When the voltage exceeds the threshold, counting begins. For details, see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1537 1537  
1538 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+VOLMAX   ** (%%)~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1539 -
1540 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
1541 -
1542 -(% style="color:blue" %)**0xA5 aa bb cc   ** (%%)~/~/ Same as AT+VOLMAX=(aa bb),cc
1543 -
1544 -
1545 1545  (% style="color:#037691" %)**AT Command**
1546 1546  
1547 1547  (% border="2" style="width:500px" %)
1548 -|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage><logic>
1591 +|(% style="width:137px" %)**Command**|(% style="width:361px" %)AT+VOLMAX=<voltage>,<logic>
1549 1549  |(% style="width:137px" %)**Response**|(% style="width:361px" %)
1550 1550  |(% style="width:137px" %)**Parameters**|(% style="width:361px" %)(((
1551 1551  **voltage** : voltage threshold in mV
... ... @@ -1552,9 +1552,9 @@
1552 1552  
1553 1553  **logic**:
1554 1554  
1555 -0 : lower than
1598 +**0** : lower than
1556 1556  
1557 -1: higher than
1600 +**1**: higher than
1558 1558  
1559 1559  if you leave logic parameter blank, it is considered 0
1560 1560  )))
... ... @@ -1583,9 +1583,9 @@
1583 1583  
1584 1584  **logic**: (1 byte in hexadecimal)
1585 1585  
1586 -0 : lower than
1629 +**0** : lower than
1587 1587  
1588 -1: higher than
1631 +**1**: higher than
1589 1589  
1590 1590  if you leave logic parameter blank, it is considered 1 (higher than)
1591 1591  )))
... ... @@ -1607,22 +1607,10 @@
1607 1607  
1608 1608  This command allows users to pre-configure specific count numbers for various counting parameters such as Count1, Count2, or AVI1 Count. Use the AT command to set the desired count number for each configuration.
1609 1609  
1610 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+SETCNT=aa,(bb cc dd ee) **
1611 -
1612 -(% style="color:red" %)**aa:**(%%) 1: Set count1; 2: Set count2; 3: Set AV1 count
1613 -
1614 -(% style="color:red" %)**bb cc dd ee: **(%%)The number to be set
1615 -
1616 -
1617 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA8):**
1618 -
1619 -(% style="color:blue" %)**0x A8 aa bb cc dd ee     ** (%%)~/~/ same as AT+SETCNT=aa,(bb cc dd ee)
1620 -
1621 -
1622 1622  (% style="color:#037691" %)**AT Command**
1623 1623  
1624 1624  (% border="2" style="width:500px" %)
1625 -|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter><number>
1656 +|(% style="width:134px" %)**Command**|(% style="width:364px" %)AT+SETCNT=<counting_parameter>,<number>
1626 1626  |(% style="width:134px" %)**Response**|(% style="width:364px" %)
1627 1627  |(% style="width:134px" %)**Parameters**|(% style="width:364px" %)(((
1628 1628  **counting_parameter** :
... ... @@ -1668,12 +1668,6 @@
1668 1668  
1669 1669  This command clears the counting in counting mode.
1670 1670  
1671 -* (% style="color:#037691" %)**AT Command:**(%%) (% style="color:blue" %)**AT+CLRCOUNT         **(%%) ~/~/ clear all counting
1672 -
1673 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
1674 -
1675 -(% style="color:blue" %)**0x A6 01    ** (%%)~/~/ clear all counting
1676 -
1677 1677  (% style="color:#037691" %)**AT Command**
1678 1678  
1679 1679  (% border="2" style="width:500px" %)
... ... @@ -1691,24 +1691,11 @@
1691 1691  )))
1692 1692  |(% style="width:141px" %)**Example**|(% style="width:357px" %)A6 **01**
1693 1693  
1694 -==== 3.4.2.19 Counting ~-~- Change counting mode to save time ====
1719 +==== 3.4.2.19 Counting ~-~- Set Saving Interval for 'Counting Result' ====
1695 1695  
1721 +
1696 1696  This command allows you to configure the device to save its counting result to internal flash memory at specified intervals. By setting a save time, the device will periodically store the counting data to prevent loss in case of power failure. The save interval can be adjusted to suit your requirements, with a minimum value of 30 seconds.
1697 1697  
1698 -* (% style="color:#037691" %)**AT Command:**
1699 -
1700 -(% style="color:blue" %)**AT+COUTIME=60  **(%%)~/~/ Sets the save time to 60 seconds. The device will save the counting result in internal flash every 60 seconds. (Min value: 30 seconds)
1701 -
1702 -
1703 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA7):**
1704 -
1705 -(% style="color:blue" %)**0x A7 aa bb cc     ** (%%)~/~/ same as AT+COUTIME =aa bb cc,
1706 -
1707 -(((
1708 -Range: aa bb cc:0 to 16777215,  (unit: seconds)
1709 -)))
1710 -
1711 -
1712 1712  (% style="color:#037691" %)**AT Command**
1713 1713  
1714 1714  (% border="2" style="width:500px" %)
... ... @@ -1736,22 +1736,13 @@
1736 1736  Sets the device to save its counting results to the memory every 60 seconds.
1737 1737  )))
1738 1738  
1739 -==== 3.4.2.20 Reset save RO DO state ====
1751 +==== 3.4.2.20 Reset saved RO and DO states ====
1740 1740  
1753 +
1741 1741  This command allows you to reset the saved relay output (RO) and digital output (DO) states when the device joins the network. By configuring this setting, you can control whether the device should retain or reset the relay states after a reset and rejoin to the network.
1742 1742  
1743 -* (% style="color:#037691" %)**AT Command:**
1756 +(% style="color:#037691" %)**AT Command**
1744 1744  
1745 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1746 -
1747 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state will not change when the device reconnects to the network.
1748 -
1749 -
1750 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1751 -
1752 -(% style="color:blue" %)**0x AD aa      ** (%%)~/~/ same as AT+RODORET =aa
1753 -
1754 -
1755 1755  (% border="2" style="width:500px" %)
1756 1756  |(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+RODORESET=<state>
1757 1757  |(% style="width:127px" %)**Response**|(% style="width:371px" %)
... ... @@ -1772,6 +1772,8 @@
1772 1772  After the device is reset, the previously saved RODO state (limited to MOD2 to MOD5) is read, and it will not change when the device reconnects to the network.
1773 1773  )))
1774 1774  
1778 +(% style="color:#037691" %)**Downlink Payload**
1779 +
1775 1775  (% border="2" style="width:500px" %)
1776 1776  |(% style="width:127px" %)**Payload**|(% style="width:371px" %)<prefix><state>
1777 1777  |(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
... ... @@ -1795,24 +1795,20 @@
1795 1795  
1796 1796  ==== 3.4.2.21 Encrypted payload ====
1797 1797  
1803 +
1798 1798  This command allows you to configure whether the device should upload data in an encrypted format or in plaintext. By default, the device encrypts the payload before uploading. You can toggle this setting to either upload encrypted data or transmit it without encryption.
1799 1799  
1800 -* (% style="color:#037691" %)**AT Command:**
1806 +(% style="color:#037691" %)**AT Command:**
1801 1801  
1802 -(% style="color:blue" %)**AT+DECRYPT=1  ** (%%)~/~/ The payload is uploaded without encryption
1803 -
1804 -(% style="color:blue" %)**AT+DECRYPT=0    **(%%)~/~/  Encrypt when uploading payload (default)
1805 -
1806 -
1807 1807  (% border="2" style="width:500px" %)
1808 1808  |(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+DECRYPT=<state>
1809 1809  |(% style="width:127px" %)**Response**|(% style="width:371px" %)
1810 1810  |(% style="width:127px" %)**Parameters**|(% style="width:371px" %)(((
1811 -state :
1812 +**state** :
1812 1812  
1813 -1 : The payload is uploaded without encryption
1814 +**1** : The payload is uploaded without encryption
1814 1814  
1815 -0 : The payload is encrypted when uploaded (default)
1816 +**0** : The payload is encrypted when uploaded (default)
1816 1816  )))
1817 1817  |(% style="width:127px" %)**Example**|(% style="width:371px" %)(((
1818 1818  AT+DECRYPT=1
... ... @@ -1829,15 +1829,11 @@
1829 1829  
1830 1830  ==== 3.4.2.22 Get sensor value ====
1831 1831  
1833 +
1832 1832  This command allows you to retrieve and optionally uplink sensor readings through the serial port.
1833 1833  
1834 -* (% style="color:#037691" %)**AT Command:**
1836 +(% style="color:#037691" %)**AT Command**
1835 1835  
1836 -(% style="color:blue" %)**AT+GETSENSORVALUE=0    **(%%)~/~/ The serial port retrieves the reading of the current sensor.
1837 -
1838 -(% style="color:blue" %)**AT+GETSENSORVALUE=1    **(%%)~/~/ The serial port retrieves the current sensor reading and uploads it.
1839 -
1840 -
1841 1841  (% border="2" style="width:500px" %)
1842 1842  |(% style="width:127px" %)**Command**|(% style="width:371px" %)AT+GETSENSORVALUE=<state>
1843 1843  |(% style="width:127px" %)**Response**|(% style="width:371px" %)
... ... @@ -1863,15 +1863,11 @@
1863 1863  
1864 1864  ==== 3.4.2.23 Resetting the downlink packet count ====
1865 1865  
1863 +
1866 1866  This command manages how the node handles mismatched downlink packet counts. It offers two modes: one disables the reception of further downlink packets if discrepancies occur, while the other resets the downlink packet count to align with the server, ensuring continued communication.
1867 1867  
1868 -* (% style="color:#037691" %)**AT Command:**
1866 +(% style="color:#037691" %)**AT Command**
1869 1869  
1870 -(% style="color:blue" %)**AT+DISFCNTCHECK=0   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1871 -
1872 -(% style="color:blue" %)**AT+DISFCNTCHECK=1   **(%%)~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1873 -
1874 -
1875 1875  (% border="2" style="width:500px" %)
1876 1876  |(% style="width:130px" %)**Command**|(% style="width:368px" %)AT+DISFCNTCHECK=<state>
1877 1877  |(% style="width:130px" %)**Response**|(% style="width:368px" %)(((
... ... @@ -1903,17 +1903,6 @@
1903 1903  
1904 1904  This command controls the behavior of the node when the combined size of the MAC commands (MACANS) from the server and the payload exceeds the allowed byte limit for the current data rate (DR). The command provides two modes: one enables splitting the data into batches to ensure compliance with the byte limit, while the other prioritizes the payload and ignores the MACANS in cases of overflow.
1905 1905  
1906 -* (% style="color:#037691" %)**AT Command:**
1907 -
1908 -(% style="color:blue" %)**AT+DISMACANS=0**   (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1909 -
1910 -(% style="color:blue" %)**AT+DISMACANS=1**  (%%) ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1911 -
1912 -
1913 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1914 -
1915 -(% style="color:blue" %)**0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1916 -
1917 1917  (% style="color:#037691" %)**AT Command**
1918 1918  
1919 1919  (% border="2" style="width:500px" %)
... ... @@ -1957,43 +1957,33 @@
1957 1957  
1958 1958  ==== 3.4.2.25 Copy downlink to uplink ====
1959 1959  
1960 -This command enables the device to immediately uplink the content of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100.
1961 1961  
1962 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1943 +This command enables the device to immediately uplink the payload of a received downlink packet back to the server. The command allows for quick data replication from downlink to uplink, with a fixed port number of 100.
1963 1963  
1964 -(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1945 +(% style="color:#037691" %)**AT Command**(%%)**:**
1965 1965  
1966 -Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1947 +(% style="color:blue" %)**AT+RPL=5**   (%%) ~/~/ After receiving a downlink payload from the server, the device will immediately uplink the payload back to the server using port number 100.
1967 1967  
1949 +Example：**aa xx xx xx xx**         ~/~/ **aa** indicates whether the configuration has changed: **00** means YES, and **01** means NO. **xx xx xx xx** are the bytes uplinked back.
1968 1968  
1951 +
1969 1969  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1970 1970  
1971 1971  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1972 1972  
1973 -(% border="2" style="width:500px" %)
1974 -|(% style="width:122px" %)**Command**|(% style="width:376px" %)(((
1975 -AT+RPL=5
1976 -
1977 -After receiving a downlink packet from the server, the node immediately uplinks the content of the packet back to the server using port number 100.
1978 -)))
1979 -|(% style="width:122px" %)**Example**|(% style="width:376px" %)(((
1980 -Downlink:
1981 -
1982 -01 00 02 58
1983 -
1984 -Uplink:
1985 -
1986 -01 01 00 02 58
1987 -)))
1988 -
1989 1989  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1990 1990  
1991 1991  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1992 1992  
1993 1993  
1961 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1994 1994  
1963 +There is no downlink option available for this feature.
1964 +
1965 +
1995 1995  ==== 3.4.2.26 Query firmware version, frequency band, sub band, and TDC time ====
1996 1996  
1968 +
1997 1997  This command is used to query key information about the device, including its firmware version, frequency band, sub band, and TDC time. By sending the specified payload as a downlink, the server can retrieve this essential data from the device.
1998 1998  
1999 1999  * (((
... ... @@ -2012,10 +2012,13 @@
2012 2012  
2013 2013  == 3.5 Integrating with ThingsEye.io ==
2014 2014  
1987 +
2015 2015  The Things Stack application supports integration with ThingsEye.io. Once integrated, ThingsEye.io acts as an MQTT client for The Things Stack MQTT broker, allowing it to subscribe to upstream traffic and publish downlink traffic.
2016 2016  
1990 +
2017 2017  === 3.5.1 Configuring The Things Stack ===
2018 2018  
1993 +
2019 2019  We use The Things Stack Sandbox in this example:
2020 2020  
2021 2021  * In **The Things Stack Sandbox**, go to the **Application **for the LT-22222-L you added.
... ... @@ -2027,10 +2027,12 @@
2027 2027  The username and  password (API key) you created here are required in the next section.
2028 2028  {{/info}}
2029 2029  
2030 -[[image:tts-mqtt-integration.png||height="625" width="1000"]]
2005 +[[image:tts-mqtt-integration.png]]
2031 2031  
2007 +
2032 2032  === 3.5.2 Configuring ThingsEye.io ===
2033 2033  
2010 +
2034 2034  The ThingsEye.io IoT platform is not open for self-registration at the moment. If you are interested in testing the platform, please send your project information to admin@thingseye.io, and we will create an account for you.
2035 2035  
2036 2036  * Login to your [[ThingsEye.io >>https://thingseye.io]]account.
... ... @@ -2037,7 +2037,7 @@
2037 2037  * Under the **Integrations center**, click **Integrations**.
2038 2038  * Click the **Add integration** button (the button with the **+** symbol).
2039 2039  
2040 -[[image:thingseye-io-step-1.png||height="625" width="1000"]]
2017 +[[image:thingseye-io-step-1.png]]
2041 2041  
2042 2042  
2043 2043  On the **Add integration** window, configure the following:
... ... @@ -2052,7 +2052,7 @@
2052 2052  ** Allow create devices or assets
2053 2053  * Click the **Next** button. you will be navigated to the **Uplink data converter** tab.
2054 2054  
2055 -[[image:thingseye-io-step-2.png||height="625" width="1000"]]
2032 +[[image:thingseye-io-step-2.png]]
2056 2056  
2057 2057  
2058 2058  **Uplink data converter:**
... ... @@ -2063,7 +2063,7 @@
2063 2063  * Paste the uplink decoder function into the text area (first, delete the default code). The demo uplink decoder function can be found [[here>>https://raw.githubusercontent.com/ThingsEye-io/te-platform/refs/heads/main/Data%20Converters/The_Things_Network_MQTT_Uplink_Converter.js]].
2064 2064  * Click the **Next** button. You will be navigated to the **Downlink data converter **tab.
2065 2065  
2066 -[[image:thingseye-io-step-3.png||height="625" width="1000"]]
2043 +[[image:thingseye-io-step-3.png]]
2067 2067  
2068 2068  
2069 2069  **Downlink data converter (this is an optional step):**
... ... @@ -2074,7 +2074,7 @@
2074 2074  * 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]].
2075 2075  * Click the **Next** button. You will be navigated to the **Connection** tab.
2076 2076  
2077 -[[image:thingseye-io-step-4.png||height="625" width="1000"]]
2054 +[[image:thingseye-io-step-4.png]]
2078 2078  
2079 2079  
2080 2080  **Connection:**
... ... @@ -2089,20 +2089,21 @@
2089 2089  
2090 2090  * Click the **Add** button.
2091 2091  
2092 -[[image:thingseye-io-step-5.png||height="625" width="1000"]]
2069 +[[image:thingseye-io-step-5.png]]
2093 2093  
2094 2094  
2095 2095  Your integration has been added to the** Integrations** list and will be displayed on the **Integrations** page. Check whether the status is shown as **Active**. If not, review your configuration settings and correct any errors.
2096 2096  
2097 2097  
2098 -[[image:thingseye.io_integrationsCenter_integrations.png||height="686" width="1000"]]
2075 +[[image:thingseye.io_integrationsCenter_integrations.png]]
2099 2099  
2100 2100  
2101 2101  ==== 3.5.2.1 Viewing integration details ====
2102 2102  
2080 +
2103 2103  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.
2104 2104  
2105 -[[image:integration-details.png||height="686" width="1000"]]
2083 +[[image:integration-details.png]]
2106 2106  
2107 2107  
2108 2108  If you want to edit the settings you have provided, click on the **Toggle edit mode** button. Once you have done click on the **Apply changes **button.
... ... @@ -2111,28 +2111,32 @@
2111 2111  See also [[ThingsEye documentation>>https://wiki.thingseye.io/xwiki/bin/view/Main/]].
2112 2112  {{/info}}
2113 2113  
2114 -==== **3.5.2.2 Viewing events** ====
2115 2115  
2093 +==== 3.5.2.2 Viewing events ====
2094 +
2095 +
2116 2116  The **Events **tab displays all the uplink messages from the LT-22222-L.
2117 2117  
2118 2118  * Select **Debug **from the **Event type** dropdown.
2119 2119  * Select the** time frame** from the **time window**.
2120 2120  
2121 -[[image:thingseye-events.png||height="686" width="1000"]]
2101 +[[image:thingseye-events.png]]
2122 2122  
2123 2123  
2124 2124  * To view the **JSON payload** of a message, click on the **three dots (...)** in the Message column of the desired message.
2125 2125  
2126 -[[image:thingseye-json.png||width="1000"]]
2106 +[[image:thingseye-json.png]]
2127 2127  
2128 2128  
2129 -==== **3.5.2.3 Deleting an integration** ====
2109 +==== 3.5.2.3 Deleting an integration ====
2130 2130  
2111 +
2131 2131  If you want to delete an integration, click the **Delete integratio**n button on the Integrations page.
2132 2132  
2133 2133  
2134 2134  ==== 3.5.2.4 Creating a Dashboard to Display and Analyze LT-22222-L Data ====
2135 2135  
2117 +
2136 2136  This will be added soon.
2137 2137  
2138 2138  
... ... @@ -2141,7 +2141,7 @@
2141 2141  === 3.6.1 Digital Input Ports: DI1/DI2/DI3 (For LT-33222-L, Low Active) ===
2142 2142  
2143 2143  
2144 -Supports NPN-type sensors.
2126 +Supports** NPN-type **sensors.
2145 2145  
2146 2146  [[image:1653356991268-289.png]]
2147 2147  
... ... @@ -2263,15 +2263,15 @@
2263 2263  )))
2264 2264  
2265 2265  
2266 -(% style="color:blue" %)**Example4**(%%): Connecting to Dry Contact sensor
2248 +(% style="color:blue" %)**Example 4**(%%): Connecting to a Dry Contact sensor
2267 2267  
2268 -From the DI port circuit above, you can see that activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference.
2250 +From the DI port circuit above, activating the photocoupler requires a voltage difference between the DI+ and DI- ports. However, the Dry Contact sensor is a passive component and cannot provide this voltage difference on its own.
2269 2269  
2270 -To detect a Dry Contact, you can supply a power source to one pin of the Dry Contact. Below is a reference circuit diagram.
2252 +To detect a Dry Contact, you can supply a power source to one of the pins of the Dry Contact. A reference circuit diagram is shown below.
2271 2271  
2272 2272  [[image:image-20230616235145-1.png]]
2273 2273  
2274 -(% style="color:blue" %)**Example5**(%%): Connecting to an Open Collector
2256 +(% style="color:blue" %)**Example 5**(%%): Connecting to an Open Collector
2275 2275  
2276 2276  [[image:image-20240219115718-1.png]]
2277 2277  
... ... @@ -2347,8 +2347,9 @@
2347 2347  [[image:image-20220524100215-10.png||height="382" width="723"]]
2348 2348  
2349 2349  
2350 -== 3.7 LEDs Indicators ==
2332 +== 3.7 LED Indicators ==
2351 2351  
2334 +
2352 2352  The table below lists the behavior of LED indicators for each port function.
2353 2353  
2354 2354  (% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -2381,18 +2381,22 @@
2381 2381  
2382 2382  = 4. Using AT Commands =
2383 2383  
2367 +
2384 2384  The LT-22222-L supports programming using AT Commands.
2385 2385  
2370 +
2386 2386  == 4.1 Connecting the LT-22222-L to a PC ==
2387 2387  
2373 +
2388 2388  (((
2389 -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.
2375 +You can use a USB-to-TTL adapter/converter along with a 3.5mm Program Cable to connect the LT-22222-L to a PC, as shown below.
2390 2390  
2391 -[[image:usb-ttl-programming.png]]
2377 +[[image:usb-ttl-audio-jack-connection.jpg]]
2378 +
2379 +
2392 2392  )))
2393 2393  
2394 2394  
2395 -
2396 2396  (((
2397 2397  On the PC, you need to set the (% style="color:#4f81bd" %)**serial tool **(%%)(such as [[PuTTY>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]] or [[SecureCRT>>https://www.vandyke.com/cgi-bin/releases.php?product=securecrt]]) to a baud rate of (% style="color:green" %)**9600**(%%) to access the serial console of LT-22222-L. Access to AT commands is disabled by default, and a password (default: (% style="color:green" %)**123456**)(%%) must be entered to enable AT command access, as shown below:
2398 2398  )))
... ... @@ -2403,7 +2403,10 @@
2403 2403  (((
2404 2404  You can find more details in the [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2405 2405  
2393 +
2406 2406  == 4.2 LT-22222-L related AT commands ==
2395 +
2396 +
2407 2407  )))
2408 2408  
2409 2409  (((
... ... @@ -2422,39 +2422,39 @@
2422 2422  * **##AT+APPSKEY##**: Get or set the Application Session Key (AppSKey)
2423 2423  * **##AT+APPEUI##**: Get or set the Application EUI (AppEUI)
2424 2424  * **##AT+ADR##**: Get or set the Adaptive Data Rate setting. (0: OFF, 1: ON)
2425 -* AT+TXP: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
2426 -* AT+DR:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
2427 -* AT+DCS: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
2428 -* AT+PNM: Get or set the public network mode. (0: off, 1: on)
2429 -* AT+RX2FQ: Get or set the Rx2 window frequency
2430 -* AT+RX2DR: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
2431 -* AT+RX1DL: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
2432 -* AT+RX2DL: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
2433 -* AT+JN1DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
2434 -* AT+JN2DL: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
2435 -* AT+NJM: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
2436 -* AT+NWKID: Get or set the Network ID
2437 -* AT+FCU: Get or set the Frame Counter Uplink (FCntUp)
2438 -* AT+FCD: Get or set the Frame Counter Downlink (FCntDown)
2439 -* AT+CLASS: Get or set the Device Class
2440 -* AT+JOIN: Join network
2441 -* AT+NJS: Get OTAA Join Status
2442 -* AT+SENDB: Send hexadecimal data along with the application port
2443 -* AT+SEND: Send text data along with the application port
2444 -* AT+RECVB: Print last received data in binary format (with hexadecimal values)
2445 -* AT+RECV: Print last received data in raw format
2446 -* AT+VER: Get current image version and Frequency Band
2447 -* AT+CFM: Get or Set the confirmation mode (0-1)
2448 -* AT+CFS: Get confirmation status of the last AT+SEND (0-1)
2449 -* AT+SNR: Get the SNR of the last received packet
2450 -* AT+RSSI: Get the RSSI of the last received packet
2451 -* AT+TDC: Get or set the application data transmission interval in ms
2452 -* AT+PORT: Get or set the application port
2453 -* AT+DISAT: Disable AT commands
2454 -* AT+PWORD: Set password, max 9 digits
2455 -* AT+CHS: Get or set the Frequency (Unit: Hz) for Single Channel Mode
2456 -* AT+CHE: Get or set eight channels mode, Only for US915, AU915, CN470
2457 -* AT+CFG: Print all settings
2415 +* ##**AT+TXP**##: Get or set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Specification)
2416 +* **##AT+DR##**:  Get or set the Data Rate. (0-7 corresponding to DR_X)  
2417 +* **##AT+DCS##**: Get or set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
2418 +* ##**AT+PNM**##: Get or set the public network mode. (0: off, 1: on)
2419 +* ##**AT+RX2FQ**##: Get or set the Rx2 window frequency
2420 +* ##**AT+RX2DR**##: Get or set the Rx2 window data rate (0-7 corresponding to DR_X)
2421 +* ##**AT+RX1DL**##: Get or set the delay between the end of the Tx and the Rx Window 1 in ms
2422 +* ##**AT+RX2DL**##: Get or set the delay between the end of the Tx and the Rx Window 2 in ms
2423 +* ##**AT+JN1DL**##: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
2424 +* ##**AT+JN2DL**##: Get or set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
2425 +* ##**AT+NJM**##: Get or set the Network Join Mode. (0: ABP, 1: OTAA)
2426 +* ##**AT+NWKID**##: Get or set the Network ID
2427 +* ##**AT+FCU**##: Get or set the Frame Counter Uplink (FCntUp)
2428 +* ##**AT+FCD**##: Get or set the Frame Counter Downlink (FCntDown)
2429 +* ##**AT+CLASS**##: Get or set the Device Class
2430 +* ##**AT+JOIN**##: Join network
2431 +* ##**AT+NJS**##: Get OTAA Join Status
2432 +* ##**AT+SENDB**##: Send hexadecimal data along with the application port
2433 +* ##**AT+SEND**##: Send text data along with the application port
2434 +* ##**AT+RECVB**##: Print last received data in binary format (with hexadecimal values)
2435 +* ##**AT+RECV**##: Print last received data in raw format
2436 +* ##**AT+VER**##: Get current image version and Frequency Band
2437 +* ##**AT+CFM**##: Get or Set the confirmation mode (0-1)
2438 +* ##**AT+CFS**##: Get confirmation status of the last AT+SEND (0-1)
2439 +* ##**AT+SNR**##: Get the SNR of the last received packet
2440 +* ##**AT+RSSI**##: Get the RSSI of the last received packet
2441 +* ##**AT+TDC**##: Get or set the application data transmission interval in ms
2442 +* ##**AT+PORT**##: Get or set the application port
2443 +* ##**AT+DISAT**##: Disable AT commands
2444 +* ##**AT+PWORD**##: Set password, max 9 digits
2445 +* ##**AT+CHS**##: Get or set the Frequency (Unit: Hz) for Single Channel Mode
2446 +* ##**AT+CHE**##: Get or set eight channels mode, Only for US915, AU915, CN470
2447 +* ##**AT+CFG**##: Print all settings
2458 2458  )))
2459 2459  
2460 2460  
... ... @@ -2600,16 +2600,19 @@
2600 2600  
2601 2601  == 5.1 Counting how many objects pass through the flow line ==
2602 2602  
2593 +
2603 2603  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]]?
2604 2604  
2605 2605  
2606 2606  = 6. FAQ =
2607 2607  
2599 +
2608 2608  This section contains some frequently asked questions, which can help you resolve common issues and find solutions quickly.
2609 2609  
2610 2610  
2611 2611  == 6.1 How to update the firmware? ==
2612 2612  
2605 +
2613 2613  Dragino frequently releases firmware updates for the LT-22222-L. Updating your LT-22222-L with the latest firmware version helps to:
2614 2614  
2615 2615  * Support new features
... ... @@ -2619,7 +2619,7 @@
2619 2619  You will need the following things before proceeding:
2620 2620  
2621 2621  * 3.5mm programming cable (included with the LT-22222-L as an additional accessory)
2622 -* USB to TTL adapter
2615 +* USB to TTL adapter/converter
2623 2623  * Download and install the [[STM32 Flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. (replaced by STM32CubeProgrammer)
2624 2624  * Download the latest firmware image from [[LT-22222-L firmware image files>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACrbrDN0AqLHbBat0ViWx5Da/LT-22222-L/Firmware?dl=0&subfolder_nav_tracking=1]]. Check the file name of the firmware to find the correct region.
2625 2625  
... ... @@ -2629,7 +2629,7 @@
2629 2629  
2630 2630  Below is the hardware setup for uploading a firmware image to the LT-22222-L:
2631 2631  
2632 -[[image:usb-ttl-programming.png]]
2625 +[[image:usb-ttl-audio-jack-connection.jpg]]
2633 2633  
2634 2634  
2635 2635  
... ... @@ -2662,6 +2662,8 @@
2662 2662  (((
2663 2663  (((
2664 2664  == 6.2 How to change the LoRaWAN frequency band/region? ==
2658 +
2659 +
2665 2665  )))
2666 2666  )))
2667 2667  
... ... @@ -2673,6 +2673,8 @@
2673 2673  
2674 2674  
2675 2675  == 6.3 How to setup LT-22222-L to work with a Single Channel Gateway, such as LG01/LG02? ==
2671 +
2672 +
2676 2676  )))
2677 2677  
2678 2678  (((
... ... @@ -2746,11 +2746,13 @@
2746 2746  
2747 2747  == 6.4 How to change the uplink interval? ==
2748 2748  
2746 +
2749 2749  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/]]
2750 2750  
2751 2751  
2752 2752  == 6.5 Can I see the counting event in the serial output? ==
2753 2753  
2752 +
2754 2754  (((
2755 2755  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.
2756 2756  
... ... @@ -2757,6 +2757,7 @@
2757 2757  
2758 2758  == 6.6 Can I use point-to-point communication with LT-22222-L? ==
2759 2759  
2759 +
2760 2760  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]].
2761 2761  
2762 2762  
... ... @@ -2765,6 +2765,7 @@
2765 2765  (((
2766 2766  == 6.7 Why does the relay output default to an open relay after the LT-22222-L is powered off? ==
2767 2767  
2768 +
2768 2768  * If the device is not properly shut down and is directly powered off.
2769 2769  * It will default to a power-off state.
2770 2770  * In modes 2 to 5, the DO/RO status and pulse count are saved to flash memory.
... ... @@ -2772,6 +2772,7 @@
2772 2772  
2773 2773  == 6.8 Can I setup LT-22222-L as a NC (Normally Closed) relay? ==
2774 2774  
2776 +
2775 2775  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:
2776 2776  
2777 2777  
... ... @@ -2780,16 +2780,19 @@
2780 2780  
2781 2781  == 6.9 Can the LT-22222-L save the RO state? ==
2782 2782  
2785 +
2783 2783  To enable this feature, the firmware version must be 1.6.0 or higher.
2784 2784  
2785 2785  
2786 2786  == 6.10 Why does the LT-22222-L always report 15.585V when measuring the AVI? ==
2787 2787  
2791 +
2788 2788  It is likely that the GND is not connected during the measurement, or that the wire connected to the GND is loose.
2789 2789  
2790 2790  
2791 2791  = 7. Troubleshooting =
2792 2792  
2797 +
2793 2793  This section provides some known troubleshooting tips.
2794 2794  
2795 2795  
... ... @@ -2798,6 +2798,8 @@
2798 2798  (((
2799 2799  (((
2800 2800  == 7.1 Downlink isn't working. How can I solve this? ==
2806 +
2807 +
2801 2801  )))
2802 2802  )))
2803 2803  
... ... @@ -2809,6 +2809,8 @@
2809 2809  
2810 2810  
2811 2811  == 7.2 Having trouble uploading an image? ==
2819 +
2820 +
2812 2812  )))
2813 2813  
2814 2814  (((
... ... @@ -2819,6 +2819,8 @@
2819 2819  
2820 2820  
2821 2821  == 7.3 Why can't I join TTN in the US915 /AU915 bands? ==
2831 +
2832 +
2822 2822  )))
2823 2823  
2824 2824  (((
... ... @@ -2828,6 +2828,7 @@
2828 2828  
2829 2829  == 7.4 Why can the LT-22222-L perform uplink normally, but cannot receive downlink? ==
2830 2830  
2842 +
2831 2831  The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue.
2832 2832  Use this command to synchronize their counts: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2833 2833  
... ... @@ -2834,6 +2834,7 @@
2834 2834  
2835 2835  = 8. Ordering information =
2836 2836  
2849 +
2837 2837  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2838 2838  
2839 2839  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2848,8 +2848,10 @@
2848 2848  * (% style="color:red" %)**IN865**(%%): LT with frequency bands IN865
2849 2849  * (% style="color:red" %)**CN779**(%%): LT with frequency bands CN779
2850 2850  
2864 +
2851 2851  = 9. Package information =
2852 2852  
2867 +
2853 2853  **Package includes**:
2854 2854  
2855 2855  * 1 x LT-22222-L I/O Controller
... ... @@ -2864,8 +2864,10 @@
2864 2864  * Package Size / pcs : 14.5 x 8 x 5 cm
2865 2865  * Weight / pcs : 170 g
2866 2866  
2882 +
2867 2867  = 10. Support =
2868 2868  
2885 +
2869 2869  * (((
2870 2870  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.
2871 2871  )))
... ... @@ -2877,6 +2877,7 @@
2877 2877  
2878 2878  = 11. Reference​​​​​ =
2879 2879  
2897 +
2880 2880  * 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]]
2881 2881  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2882 2882  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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