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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 113.2
edited by Xiaoling
on 2023/04/24 11:51
Change comment: There is no comment for this version
To version 118.1
edited by Ellie Zhang
on 2023/05/09 09:04
Change comment: There is no comment for this version

Summary

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1 -XWiki.Xiaoling
1 +XWiki.Ellie
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26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
29 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
30 30  )))
31 31  
32 32  (((
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189 189  
190 190  * Counting
191 191  
192 +
192 192  == 1.4  Applications ==
193 193  
194 194  
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204 204  
205 205  * Smart Factory
206 206  
208 +
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
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221 221  * 1 x Counting Port
222 222  )))
223 223  
226 +
224 224  = 2. Power ON Device =
225 225  
226 226  
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277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:1653297924498-393.png]]
283 +[[image:image-20230425173427-2.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
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314 314  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
315 315  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
316 316  
320 +
317 317  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 319  
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370 370  ** DO1 is high in case there is load between DO1 and V+.
371 371  ** DO1 LED is off in both case
372 372  
377 +
373 373  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
374 374  
375 375  
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766 766  
767 767  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
768 768  
774 +
769 769  === 3.4.1 Common Commands ===
770 770  
771 771  
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776 776  
777 777  === 3.4.2 Sensor related commands ===
778 778  
779 -
780 780  ==== 3.4.2.1 Set Transmit Interval ====
781 781  
782 782  
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1119 1119  )))
1120 1120  
1121 1121  (((
1122 -[[image:image-20220524093724-9.png]]
1127 +[[image:image-20230426161322-1.png]]
1123 1123  )))
1124 1124  
1125 1125  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
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2082 2082  [[image:1653360498588-932.png||height="485" width="726"]]
2083 2083  
2084 2084  
2085 -== 6.4 Can I see counting event in Serial? ==
2090 +== 6.4 How to change the uplink interval？ ==
2086 2086  
2087 2087  
2093 +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/]]
2094 +
2095 +
2096 +== 6.5 Can I see counting event in Serial? ==
2097 +
2098 +
2088 2088  (((
2089 2089  User can run AT+DEBUG command to see the counting event in serial. If firmware too old and doesn't support AT+DEBUG. User can update to latest firmware first.
2090 2090  
2091 2091  
2092 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2103 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2093 2093  
2094 2094  
2095 2095  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
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2098 2098  )))
2099 2099  
2100 2100  (((
2101 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2112 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2102 2102  
2103 2103  
2104 2104  If the device is not shut down, but directly powered off.
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2110 2110  After restart, the status before power failure will be read from flash.
2111 2111  
2112 2112  
2113 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2124 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2114 2114  
2115 2115  
2116 2116  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
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2119 2119  [[image:image-20221006170630-1.png||height="610" width="945"]]
2120 2120  
2121 2121  
2122 -== 6.8 Can LT22222-L save RO state? ==
2133 +== 6.9 Can LT22222-L save RO state? ==
2123 2123  
2124 2124  
2125 2125  Firmware version needs to be no less than 1.6.0.
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2182 2182  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2183 2183  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2184 2184  
2196 +
2185 2185  = 9. Packing Info =
2186 2186  
2187 2187  
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2199 2199  * Package Size / pcs : 14.5 x 8 x 5 cm
2200 2200  * Weight / pcs : 170g
2201 2201  
2214 +
2202 2202  = 10. Support =
2203 2203  
2204 2204  
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2218 2218  * 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]]
2219 2219  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2220 2220  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2221 -
2222 -
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