Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 101.1 >
edited by Bei Jinggeng
on 2022/10/08 09:59
To version < 98.1 >
edited by Edwin Chen
on 2022/10/06 17:06
>
Change comment: Uploaded new attachment "image-20221006170630-1.png", version {1}

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Author
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1 -XWiki.Bei
1 +XWiki.Edwin
Content
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185 185  * Counting
186 186  
187 187  
188 +
189 +
188 188  == 1.4  Applications ==
189 189  
190 190  
... ... @@ -196,6 +196,8 @@
196 196  * Smart Factory
197 197  
198 198  
201 +
202 +
199 199  == 1.5 Hardware Variants ==
200 200  
201 201  
... ... @@ -211,6 +211,8 @@
211 211  )))
212 212  
213 213  
218 +
219 +
214 214  = 2. Power ON Device =
215 215  
216 216  
... ... @@ -305,6 +305,8 @@
305 305  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
306 306  
307 307  
314 +
315 +
308 308  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
309 309  
310 310  
... ... @@ -324,6 +324,8 @@
324 324  * DI is for digital input. DIx=1: high or float, DIx=0: low.
325 325  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
326 326  
335 +
336 +
327 327  (% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
328 328  
329 329  For example if payload is: [[image:image-20220523175847-2.png]]
... ... @@ -344,6 +344,8 @@
344 344  * [1] RO1 relay channel is close and the RO1 LED is ON.
345 345  * [0] RO2 relay channel is open and RO2 LED is OFF;
346 346  
357 +
358 +
347 347  **LT22222-L:**
348 348  
349 349  * [1] DI2 channel is high input and DI2 LED is ON;
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361 361  
362 362  
363 363  
376 +
377 +
364 364  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
365 365  
366 366  
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588 588  * **AT+MOD=1 ** **~-~->**  The normal working mode
589 589  * **AT+ADDMOD6=1**   **~-~->**  Enable trigger
590 590  
605 +
606 +
591 591  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
592 592  
593 593  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
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594 594  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
595 595  
596 596  
613 +
614 +
597 597  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
598 598  
599 599  
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677 677  
678 678  * Each bits shows if the corresponding trigger has been configured.
679 679  
698 +
699 +
680 680  **Example:**
681 681  
682 682  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
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689 689  
690 690  * Each bits shows which status has been trigger on this uplink.
691 691  
712 +
713 +
692 692  **Example:**
693 693  
694 694  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
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701 701  
702 702  * Each bits shows which status has been trigger on this uplink.
703 703  
726 +
727 +
704 704  **Example:**
705 705  
706 706  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
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744 744  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
745 745  
746 746  
771 +
772 +
747 747  === 3.4.1 Common Commands ===
748 748  
749 749  
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894 894  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
895 895  
896 896  
923 +
924 +
897 897  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
898 898  
899 899  
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1133 1133  
1134 1134  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1135 1135  
1136 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1137 1137  
1138 1138  
1139 1139  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
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1457 1457  )))
1458 1458  
1459 1459  (((
1460 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1461 1461  )))
1462 1462  
1463 1463  (((
1464 -If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1492 +If** DI1+ **= **12v**, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1465 1465  )))
1466 1466  
1467 1467  (((
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2093 2093  After restart, the status before power failure will be read from flash.
2094 2094  
2095 2095  
2096 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2097 2097  
2098 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2099 -
2100 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2101 -
2102 -
2103 -
2104 -
2105 2105  = 6. Trouble Shooting =
2106 2106  
2107 2107  
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2165 2165  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2166 2166  
2167 2167  
2188 +
2189 +
2168 2168  = 8. Packing Info =
2169 2169  
2170 2170  
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2183 2183  * Weight / pcs : 170g
2184 2184  
2185 2185  
2208 +
2209 +
2186 2186  = 9. Support =
2187 2187  
2188 2188  
... ... @@ -2203,3 +2203,5 @@
2203 2203  * 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]]
2204 2204  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2205 2205  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 +
2231 +
image-20221008095908-1.png
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