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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 127.1
edited by Bei Jinggeng
on 2023/08/21 09:08
Change comment: There is no comment for this version
To version 128.6
edited by Xiaoling
on 2023/11/17 08:50
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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53 53  
54 54  )))
55 55  
56 -== 1.2  Specifications ==
56 +== 1.2 Specifications ==
57 57  
58 58  (((
59 59  
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190 190  * Counting
191 191  
192 192  
193 -== 1.4  Applications ==
194 194  
194 +== 1.4 Applications ==
195 195  
196 +
196 196  * Smart Buildings & Home Automation
197 197  
198 198  * Logistics and Supply Chain Management
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206 206  * Smart Factory
207 207  
208 208  
210 +
209 209  == 1.5 Hardware Variants ==
210 210  
211 211  
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224 224  )))
225 225  
226 226  
229 +
227 227  = 2. Power ON Device =
228 228  
229 229  
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322 322  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
323 323  
324 324  
328 +
325 325  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
326 326  
327 327  
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391 391  ** DO1 LED is off in both case
392 392  
393 393  
398 +
394 394  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
395 395  
396 396  
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838 838  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
839 839  
840 840  
846 +
841 841  === 3.4.1 Common Commands ===
842 842  
843 843  
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1143 1143  
1144 1144  
1145 1145  
1146 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1152 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1147 1147  
1148 1148  
1149 1149  * (% style="color:#037691" %)**AT Command:**
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1698 1698  |**RO2**|
1699 1699  
1700 1700  
1707 +
1701 1701  = 4. Use AT Command =
1702 1702  
1703 1703  == 4.1 Access AT Command ==
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2097 2097  
2098 2098  (% style="color:red" %)**Notice**(%%): In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
2099 2099  
2100 -
2101 2101  [[image:1653360054704-518.png||height="186" width="745"]]
2102 2102  
2103 2103  
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2235 2235  
2236 2236  Firmware version needs to be no less than 1.6.0.
2237 2237  
2244 +
2238 2238  == 6.10 Why does the LT22222 always report 15.585V when measuring AVI? ==
2239 2239  
2240 2240  
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2241 2241  It is likely that the GND is not connected during the measurement, or the wire connected to the GND is loose.
2242 2242  
2243 2243  
2244 -
2245 2245  = 7. Trouble Shooting =
2246 2246  )))
2247 2247  
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2282 2282  )))
2283 2283  
2284 2284  
2285 -== ==
2291 +== 7.4 Why can LT22222 perform Uplink normally, but cannot receive Downlink? ==
2286 2286  
2293 +
2294 +The FCD count of the gateway is inconsistent with the FCD count of the node, causing the downlink to remain in the queue state.
2295 +Use this command to bring their counts back together: [[Resets the downlink packet count>>||anchor="H3.4.2.23Resetsthedownlinkpacketcount"]]
2296 +
2297 +
2287 2287  = 8. Order Info =
2288 2288  
2289 2289  
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2302 2302  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2303 2303  
2304 2304  
2316 +
2305 2305  = 9. Packing Info =
2306 2306  
2307 2307  
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2320 2320  * Weight / pcs : 170g
2321 2321  
2322 2322  
2335 +
2323 2323  = 10. Support =
2324 2324  
2325 2325