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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 82.32
edited by Xiaoling
on 2022/06/20 13:36
Change comment: There is no comment for this version
To version 97.2
edited by Xiaoling
on 2022/09/12 09:21
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -16,6 +16,7 @@
16 16  
17 17  = 1.Introduction =
18 18  
18 +
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
... ... @@ -37,11 +37,13 @@
37 37  )))
38 38  
39 39  (((
40 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
40 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
41 41  )))
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
45 +
46 +
45 45  )))
46 46  
47 47  (((
... ... @@ -56,7 +56,7 @@
56 56  (((
57 57  
58 58  
59 -**Hardware System:**
61 +(% style="color:#037691" %)**Hardware System:**
60 60  )))
61 61  
62 62  * (((
... ... @@ -81,7 +81,7 @@
81 81  (((
82 82  
83 83  
84 -**Interface for Model: LT22222-L:**
86 +(% style="color:#037691" %)**Interface for Model: LT22222-L:**
85 85  )))
86 86  
87 87  * (((
... ... @@ -106,7 +106,7 @@
106 106  (((
107 107  
108 108  
109 -**LoRa Spec:**
111 +(% style="color:#037691" %)**LoRa Spec:**
110 110  )))
111 111  
112 112  * (((
... ... @@ -173,16 +173,21 @@
173 173  
174 174  == 1.3 Features ==
175 175  
178 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
181 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
179 179  * AT Commands to change parameters
180 180  * Remote configure parameters via LoRa Downlink
181 181  * Firmware upgradable via program port
182 182  * Counting
183 183  
187 +
188 +
189 +
184 184  == 1.4  Applications ==
185 185  
192 +
186 186  * Smart Buildings & Home Automation
187 187  * Logistics and Supply Chain Management
188 188  * Smart Metering
... ... @@ -190,8 +190,12 @@
190 190  * Smart Cities
191 191  * Smart Factory
192 192  
200 +
201 +
202 +
193 193  == 1.5 Hardware Variants ==
194 194  
205 +
195 195  (% border="1" style="background-color:#f7faff; width:500px" %)
196 196  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
197 197  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -205,12 +205,16 @@
205 205  
206 206  
207 207  
219 +
208 208  = 2. Power ON Device =
209 209  
222 +
210 210  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
211 211  
212 212  (((
213 213  PWR will on when device is properly powered.
227 +
228 +
214 214  )))
215 215  
216 216  [[image:1653297104069-180.png]]
... ... @@ -219,21 +219,27 @@
219 219  
220 220  = 3. Operation Mode =
221 221  
237 +
222 222  == 3.1 How it works? ==
223 223  
240 +
224 224  (((
225 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
242 +The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on (% style="color:green" %)**TX LED**(%%) will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. (% style="color:green" %)**TX LED**(%%) will be on for 5 seconds after joined in network. When there is message from server, the RX LED will be on for 1 second. 
226 226  )))
227 227  
228 228  (((
229 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
246 +In case user can't set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
230 230  )))
231 231  
232 232  
250 +
233 233  == 3.2 Example to join LoRaWAN network ==
234 234  
253 +
235 235  (((
236 236  This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 
256 +
257 +
237 237  )))
238 238  
239 239  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -241,6 +241,8 @@
241 241  
242 242  (((
243 243  The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN:
265 +
266 +
244 244  )))
245 245  
246 246  (((
... ... @@ -266,6 +266,7 @@
266 266  [[image:1653298023685-319.png]]
267 267  
268 268  
292 +
269 269  (((
270 270  (% style="color:blue" %)**Step 2**(%%): Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
271 271  )))
... ... @@ -276,17 +276,22 @@
276 276  
277 277  == 3.3 Uplink Payload ==
278 278  
303 +
279 279  There are five working modes + one interrupt mode on LT for different type application:
280 280  
281 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
282 -* **MOD2**: Double DI Counting + DO + RO
283 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
284 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
285 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
286 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
306 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
307 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
308 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
309 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
310 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
311 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
287 287  
313 +
314 +
315 +
288 288  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
289 289  
318 +
290 290  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
291 291  
292 292  [[image:image-20220523174024-3.png]]
... ... @@ -303,8 +303,10 @@
303 303  * DI is for digital input. DIx=1: high or float, DIx=0: low.
304 304  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
305 305  
306 -(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
307 307  
336 +
337 +(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
338 +
308 308  For example if payload is: [[image:image-20220523175847-2.png]]
309 309  
310 310  
... ... @@ -323,6 +323,8 @@
323 323  * [1] RO1 relay channel is close and the RO1 LED is ON.
324 324  * [0] RO2 relay channel is open and RO2 LED is OFF;
325 325  
357 +
358 +
326 326  **LT22222-L:**
327 327  
328 328  * [1] DI2 channel is high input and DI2 LED is ON;
... ... @@ -338,6 +338,10 @@
338 338  ** DO1 is high in case there is load between DO1 and V+.
339 339  ** DO1 LED is off in both case
340 340  
374 +
375 +
376 +
377 +
341 341  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
342 342  
343 343  
... ... @@ -361,7 +361,7 @@
361 361  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
362 362  
363 363  (((
364 -(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
401 +(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
365 365  )))
366 366  
367 367  (((
... ... @@ -383,6 +383,8 @@
383 383  
384 384  
385 385  (% style="color:#4f81bd" %)**AT Commands for counting:**
423 +
424 +
386 386  )))
387 387  
388 388  (((
... ... @@ -406,11 +406,14 @@
406 406  
407 407  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
408 408  
448 +
409 409  **LT22222-L**: This mode the DI1 is used as a counting pin.
410 410  
411 411  [[image:image-20220523181246-5.png]]
412 412  
413 413  (((
454 +
455 +
414 414  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
415 415  )))
416 416  
... ... @@ -421,9 +421,10 @@
421 421  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
422 422  
423 423  (((
424 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
466 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
425 425  )))
426 426  
469 +
427 427  (((
428 428  **To use counting mode, please run:**
429 429  )))
... ... @@ -464,7 +464,7 @@
464 464  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
465 465  
466 466  (((
467 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
510 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
468 468  )))
469 469  
470 470  (((
... ... @@ -525,7 +525,7 @@
525 525  )))
526 526  
527 527  (((
528 -(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
571 +(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
529 529  )))
530 530  
531 531  (((
... ... @@ -556,9 +556,11 @@
556 556  
557 557  For example, if user has configured below commands:
558 558  
559 -* **AT+MOD=1 ** **~-~->** The normal working mode
560 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
602 +* **AT+MOD=1 ** **~-~->**  The normal working mode
603 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
561 561  
605 +
606 +
562 562  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
563 563  
564 564  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
... ... @@ -565,12 +565,16 @@
565 565  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.**
566 566  
567 567  
613 +
614 +
568 568  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
569 569  
617 +
570 570  (% style="color:#4f81bd" %)**Trigger base on voltage**:
571 571  
572 572  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
573 573  
622 +
574 574  **Example:**
575 575  
576 576  AT+AVLIM=3000,6000,0,2000   (If AVI1 voltage lower than 3v or higher than 6v. or AV2 voltage is higher than 2v, LT will trigger Uplink)
... ... @@ -583,6 +583,7 @@
583 583  
584 584  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
585 585  
635 +
586 586  **Example:**
587 587  
588 588  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -601,6 +601,7 @@
601 601  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
602 602  
603 603  
654 +
604 604  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
605 605  
606 606  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -644,11 +644,14 @@
644 644  
645 645  * Each bits shows if the corresponding trigger has been configured.
646 646  
698 +
699 +
647 647  **Example:**
648 648  
649 649  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
650 650  
651 651  
705 +
652 652  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
653 653  
654 654  [[image:image-20220524090249-3.png]]
... ... @@ -655,11 +655,14 @@
655 655  
656 656  * Each bits shows which status has been trigger on this uplink.
657 657  
712 +
713 +
658 658  **Example:**
659 659  
660 660  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
661 661  
662 662  
719 +
663 663  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
664 664  
665 665  [[image:image-20220524090456-4.png]]
... ... @@ -666,6 +666,8 @@
666 666  
667 667  * Each bits shows which status has been trigger on this uplink.
668 668  
726 +
727 +
669 669  **Example:**
670 670  
671 671  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -673,6 +673,7 @@
673 673  00000101: Means both DI1 and DI2 trigger are enabled.
674 674  
675 675  
735 +
676 676  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
677 677  
678 678  Downlink command to poll MOD6 status:
... ... @@ -683,19 +683,20 @@
683 683  
684 684  
685 685  
746 +
686 686  === 3.3.7 Payload Decoder ===
687 687  
688 688  (((
689 689  
690 690  
691 -**Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
692 -
693 -
752 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
694 694  )))
695 695  
696 696  
756 +
697 697  == 3.4 ​Configure LT via AT or Downlink ==
698 698  
759 +
699 699  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
700 700  
701 701  (((
... ... @@ -706,8 +706,12 @@
706 706  
707 707  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
708 708  
770 +
771 +
772 +
709 709  === 3.4.1 Common Commands ===
710 710  
775 +
711 711  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
712 712  
713 713  
... ... @@ -714,8 +714,10 @@
714 714  
715 715  === 3.4.2 Sensor related commands ===
716 716  
782 +
717 717  ==== 3.4.2.1 Set Transmit Interval ====
718 718  
785 +
719 719  Set device uplink interval.
720 720  
721 721  * (% style="color:#037691" %)**AT Command:**
... ... @@ -735,6 +735,7 @@
735 735  
736 736  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
737 737  
805 +
738 738  Set work mode.
739 739  
740 740  * (% style="color:#037691" %)**AT Command:**
... ... @@ -747,7 +747,7 @@
747 747  
748 748  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
749 749  
750 -(% style="color:#037691" %)**​​​​​​​**(%%)**0x0A aa    ** ~/~/ Same as AT+MOD=aa
818 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
751 751  
752 752  
753 753  
... ... @@ -754,6 +754,7 @@
754 754  
755 755  ==== 3.4.2.3 Poll an uplink ====
756 756  
825 +
757 757  * (% style="color:#037691" %)**AT Command:**
758 758  
759 759  There is no AT Command to poll uplink
... ... @@ -763,12 +763,15 @@
763 763  
764 764  **0x08 FF     **~/~/ Poll an uplink
765 765  
835 +
766 766  **Example**: 0x08FF, ask device to send an Uplink
767 767  
768 768  
769 769  
840 +
770 770  ==== 3.4.2.4 Enable Trigger Mode ====
771 771  
843 +
772 772  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
773 773  
774 774  * (% style="color:#037691" %)**AT Command:**
... ... @@ -784,36 +784,32 @@
784 784  
785 785  **0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 -
790 -)))
791 791  
792 792  
793 793  
794 794  ==== 3.4.2.5 Poll trigger settings ====
795 795  
864 +
796 796  Poll trigger settings,
797 797  
798 -* (% style="color:#037691" %)AT Command:
867 +* (% style="color:#037691" %)**AT Command:**
799 799  
800 800  There is no AT Command for this feature.
801 801  
802 802  
803 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
872 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
804 804  
805 -(% class="box infomessage" %)
806 -(((
807 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
808 -)))
874 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
809 809  
810 810  
811 811  
878 +
812 812  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
813 813  
881 +
814 814  Enable Disable DI1/DI2/DI2 as trigger,
815 815  
816 -* (% style="color:#037691" %)AT Command:
884 +* (% style="color:#037691" %)**AT Command:**
817 817  
818 818  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
819 819  
... ... @@ -822,7 +822,7 @@
822 822  
823 823  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
824 824  
825 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
893 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
826 826  
827 827  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
828 828  
... ... @@ -831,9 +831,10 @@
831 831  
832 832  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
833 833  
902 +
834 834  Set DI1 or DI3(for LT-33222-L) trigger.
835 835  
836 -* (% style="color:#037691" %)AT Command:
905 +* (% style="color:#037691" %)**AT Command:**
837 837  
838 838  **AT+TRIG1=a,b**
839 839  
... ... @@ -851,8 +851,11 @@
851 851  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
852 852  
853 853  
923 +
924 +
854 854  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
855 855  
927 +
856 856  Set DI2 trigger.
857 857  
858 858  * (% style="color:#037691" %)**AT Command:**
... ... @@ -879,6 +879,7 @@
879 879  
880 880  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
881 881  
954 +
882 882  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
883 883  
884 884  * (% style="color:#037691" %)**AT Command**
... ... @@ -895,6 +895,7 @@
895 895  
896 896  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
897 897  
971 +
898 898  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
899 899  
900 900  * (% style="color:#037691" %)**AT Command**
... ... @@ -911,11 +911,12 @@
911 911  
912 912  ==== 3.4.2.11 Trigger – Set minimum interval ====
913 913  
914 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
915 915  
989 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
990 +
916 916  * (% style="color:#037691" %)**AT Command**
917 917  
918 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
993 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
919 919  
920 920  
921 921  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -922,11 +922,18 @@
922 922  
923 923  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
924 924  
1000 +(((
1001 +
925 925  
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1004 +)))
926 926  
927 927  
1007 +
1008 +
928 928  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
929 929  
1011 +
930 930  * (% style="color:#037691" %)**AT Command**
931 931  
932 932  There is no AT Command to control Digital Output
... ... @@ -946,11 +946,11 @@
946 946  [[image:image-20220524092754-5.png]]
947 947  
948 948  (((
949 -(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1031 +(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
950 950  )))
951 951  
952 952  (((
953 -(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1035 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
954 954  )))
955 955  
956 956  
... ... @@ -958,6 +958,7 @@
958 958  
959 959  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
960 960  
1043 +
961 961  * (% style="color:#037691" %)**AT Command**
962 962  
963 963  There is no AT Command to control Digital Output
... ... @@ -994,11 +994,11 @@
994 994  [[image:image-20220524093351-8.png]]
995 995  
996 996  
997 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
998 998  
999 999   Latching time. Unit: ms
1000 1000  
1001 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1002 1002  
1003 1003  
1004 1004  **Example payload:**
... ... @@ -1024,6 +1024,7 @@
1024 1024  
1025 1025  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1026 1026  
1110 +
1027 1027  * (% style="color:#037691" %)**AT Command:**
1028 1028  
1029 1029  There is no AT Command to control Relay Output
... ... @@ -1046,7 +1046,7 @@
1046 1046  [[image:image-20220524093724-9.png]]
1047 1047  )))
1048 1048  
1049 -Device will upload a packet if downlink code executes successfully.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1050 1050  
1051 1051  
1052 1052  
... ... @@ -1053,6 +1053,7 @@
1053 1053  
1054 1054  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1055 1055  
1140 +
1056 1056  * (% style="color:#037691" %)**AT Command:**
1057 1057  
1058 1058  There is no AT Command to control Relay Output
... ... @@ -1076,37 +1076,37 @@
1076 1076  
1077 1077  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1078 1078  
1079 -[[image:image-20220524093831-10.png]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1080 1080  
1081 1081  
1082 -(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1167 +(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1083 1083  
1084 -Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1085 1085  
1086 1086  
1087 1087  **Example payload:**
1088 1088  
1089 -**~1. 05 01 11 07 D0**
1174 +**~1. 05 01 11 07 D**
1090 1090  
1091 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1176 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1092 1092  
1093 1093  **2. 05 01 10 07 D0**
1094 1094  
1095 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1180 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1096 1096  
1097 1097  **3. 05 00 01 07 D0**
1098 1098  
1099 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1184 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1100 1100  
1101 1101  **4. 05 00 00 07 D0**
1102 1102  
1103 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1188 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1104 1104  
1105 1105  
1106 1106  
1107 -
1108 1108  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1109 1109  
1194 +
1110 1110  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1111 1111  
1112 1112  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1123,9 +1123,10 @@
1123 1123  
1124 1124  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1125 1125  
1211 +
1126 1126  * (% style="color:#037691" %)**AT Command:**
1127 1127  
1128 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1214 +**AT+SETCNT=aa,(bb cc dd ee) **
1129 1129  
1130 1130  aa: 1: Set count1,
1131 1131  
... ... @@ -1145,11 +1145,12 @@
1145 1145  
1146 1146  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1147 1147  
1234 +
1148 1148  Clear counting for counting mode
1149 1149  
1150 1150  * (% style="color:#037691" %)**AT Command:**
1151 1151  
1152 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1239 +**AT+CLRCOUNT ** ~/~/ clear all counting
1153 1153  
1154 1154  
1155 1155  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1161,6 +1161,7 @@
1161 1161  
1162 1162  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1163 1163  
1251 +
1164 1164  * (% style="color:#037691" %)**AT Command:**
1165 1165  
1166 1166  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1173,13 +1173,124 @@
1173 1173  (((
1174 1174  range: aa bb cc:0 to 16777215,  (unit:second)
1175 1175  
1264 +
1265 +
1176 1176  
1177 1177  )))
1178 1178  
1269 +==== 3.4.2.20 Reset save DR DO state ====
1179 1179  
1180 1180  
1272 +* (% style="color:#037691" %)**AT Command:**
1273 +
1274 +**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1275 +
1276 +**AT+RODORET=0  **~/~/After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1277 +
1278 +
1279 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1280 +
1281 +**0x AD aa      **~/~/ same as AT+RODORET =aa
1282 +
1283 +(((
1284 +
1285 +
1286 +
1287 +
1288 +==== 3.4.2.21 Encrypted payload ====
1289 +
1290 +
1291 +* (% style="color:#037691" %)**AT Command:**
1292 +
1293 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1294 +
1295 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1296 +
1297 +
1298 +
1299 +
1300 +==== 3.4.2.22 Get sensor value ====
1301 +
1302 +
1303 +* (% style="color:#037691" %)**AT Command:**
1304 +
1305 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1306 +
1307 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1308 +
1309 +
1310 +
1311 +
1312 +==== 3.4.2.23 Resets the downlink packet count ====
1313 +
1314 +
1315 +* (% style="color:#037691" %)**AT Command:**
1316 +
1317 +**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)
1318 +
1319 +**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.
1320 +
1321 +
1322 +
1323 +
1324 +==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1325 +
1326 +
1327 +* (% style="color:#037691" %)**AT Command:**
1328 +
1329 + **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)
1330 +
1331 + **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.
1332 +
1333 +
1334 +* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1335 +
1336 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1337 +
1338 +
1339 +
1340 +
1341 +==== 3.4.2.25 Copy downlink to uplink ====
1342 +
1343 +
1344 +* (% style="color:#037691" %)**AT Command**(%%)**:**
1345 +
1346 + **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.
1347 +
1348 +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.
1349 +
1350 +[[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"]]
1351 +
1352 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1353 +
1354 +[[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"]]
1355 +
1356 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1357 +
1358 +
1359 +
1360 +==== 3.4.2.26 Query version number and frequency band 、TDC ====
1361 +
1362 +
1363 +* (((
1364 +(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1365 +
1366 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1367 +
1368 +
1369 +)))
1370 +
1371 +**Example：**
1372 +
1373 +[[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-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1374 +
1375 +
1376 +
1377 +)))
1378 +
1181 1181  == 3.5 Integrate with Mydevice ==
1182 1182  
1381 +
1183 1183  Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps:
1184 1184  
1185 1185  (((
... ... @@ -1188,14 +1188,15 @@
1188 1188  
1189 1189  (((
1190 1190  (% style="color:blue" %)**Step 2**(%%): To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps:
1390 +
1391 +
1191 1191  )))
1192 1192  
1193 -[[image:1653356737703-362.png||height="232" width="732"]]
1394 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1194 1194  
1195 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1196 1196  
1197 1197  
1198 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1398 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1199 1199  
1200 1200  
1201 1201  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1228,8 +1228,10 @@
1228 1228  
1229 1229  == 3.6 Interface Detail ==
1230 1230  
1431 +
1231 1231  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1232 1232  
1434 +
1233 1233  Support NPN Type sensor
1234 1234  
1235 1235  [[image:1653356991268-289.png]]
... ... @@ -1238,6 +1238,7 @@
1238 1238  
1239 1239  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1240 1240  
1443 +
1241 1241  (((
1242 1242  The DI port of LT-22222-L can support NPN or PNP output sensor.
1243 1243  )))
... ... @@ -1244,7 +1244,9 @@
1244 1244  
1245 1245  (((
1246 1246  (((
1247 -Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high
1450 +Internal circuit as below, the NEC2501 is a photocoupler, the Active current (from NEC2501 pin 1 to pin 2 is 1ma and the max current is 50mA. When there is active current pass NEC2501 pin1 to pin2. The DI will be active high.
1451 +
1452 +
1248 1248  )))
1249 1249  )))
1250 1250  
... ... @@ -1269,10 +1269,10 @@
1269 1269  )))
1270 1270  
1271 1271  * (((
1272 -Connect sensor’s output to DI1-
1477 +Connect sensor's output to DI1-
1273 1273  )))
1274 1274  * (((
1275 -Connect sensor’s VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1276 1276  )))
1277 1277  
1278 1278  (((
... ... @@ -1280,15 +1280,17 @@
1280 1280  )))
1281 1281  
1282 1282  (((
1283 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1284 1284  )))
1285 1285  
1286 1286  (((
1287 -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.
1288 1288  )))
1289 1289  
1290 1290  (((
1291 1291  
1497 +
1498 +
1292 1292  )))
1293 1293  
1294 1294  (((
... ... @@ -1300,10 +1300,10 @@
1300 1300  )))
1301 1301  
1302 1302  * (((
1303 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1304 1304  )))
1305 1305  * (((
1306 -Connect sensor’s GND DI1-.
1513 +Connect sensor's GND DI1-.
1307 1307  )))
1308 1308  
1309 1309  (((
... ... @@ -1320,6 +1320,8 @@
1320 1320  
1321 1321  (((
1322 1322  
1530 +
1531 +
1323 1323  )))
1324 1324  
1325 1325  (((
... ... @@ -1331,10 +1331,10 @@
1331 1331  )))
1332 1332  
1333 1333  * (((
1334 -Connect sensor’s output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1335 1335  )))
1336 1336  * (((
1337 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1338 1338  )))
1339 1339  
1340 1340  (((
... ... @@ -1353,6 +1353,7 @@
1353 1353  
1354 1354  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1355 1355  
1565 +
1356 1356  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1357 1357  
1358 1358  [[image:1653357531600-905.png]]
... ... @@ -1361,6 +1361,7 @@
1361 1361  
1362 1362  === 3.6.4 Analog Input Interface ===
1363 1363  
1574 +
1364 1364  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
1365 1365  
1366 1366  
... ... @@ -1392,6 +1392,7 @@
1392 1392  
1393 1393  === 3.6.5 Relay Output ===
1394 1394  
1606 +
1395 1395  (((
1396 1396  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1397 1397  )))
... ... @@ -1398,6 +1398,7 @@
1398 1398  
1399 1399  [[image:image-20220524100215-9.png]]
1400 1400  
1613 +
1401 1401  [[image:image-20220524100215-10.png||height="382" width="723"]]
1402 1402  
1403 1403  
... ... @@ -1404,13 +1404,17 @@
1404 1404  
1405 1405  == 3.7 LEDs Indicators ==
1406 1406  
1620 +
1407 1407  [[image:image-20220524100748-11.png]]
1408 1408  
1409 1409  
1624 +
1410 1410  = 4. Use AT Command =
1411 1411  
1627 +
1412 1412  == 4.1 Access AT Command ==
1413 1413  
1630 +
1414 1414  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1415 1415  
1416 1416  [[image:1653358238933-385.png]]
... ... @@ -1609,8 +1609,6 @@
1609 1609  
1610 1610  (((
1611 1611  AT+CFG: Print all settings
1612 -
1613 -
1614 1614  )))
1615 1615  
1616 1616  
... ... @@ -1617,6 +1617,7 @@
1617 1617  
1618 1618  == 4.2 Common AT Command Sequence ==
1619 1619  
1835 +
1620 1620  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1621 1621  
1622 1622  (((
... ... @@ -1656,8 +1656,6 @@
1656 1656  
1657 1657  (((
1658 1658  (% style="background-color:#dcdcdc" %)ATZ
1659 -
1660 -
1661 1661  )))
1662 1662  
1663 1663  
... ... @@ -1729,6 +1729,8 @@
1729 1729  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1730 1730  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?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1731 1731  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
1946 +
1947 +
1732 1732  )))
1733 1733  
1734 1734  (((
... ... @@ -1742,13 +1742,16 @@
1742 1742  
1743 1743  === 4.2.3 Change to Class A ===
1744 1744  
1961 +
1745 1745  If sensor JOINED
1746 1746  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1747 1747  ATZ
1748 1748  
1749 1749  
1967 +
1750 1750  = 5. FAQ =
1751 1751  
1970 +
1752 1752  == 5.1 How to upgrade the image? ==
1753 1753  
1754 1754  
... ... @@ -1765,12 +1765,14 @@
1765 1765  
1766 1766  (((
1767 1767  (% style="color:blue" %)**Step1**(%%)**:** Download [[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]].
1768 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1987 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
1769 1769  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1770 1770  
1771 1771  
1772 1772  (% style="color:blue" %)**For LT-22222-L**(%%):
1773 -Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode.
1992 +Hold down the PRO button and then momentarily press the RST reset button and the (% style="color:red" %)**DO1 led**(%%) will change from OFF to ON. When (% style="color:red" %)**DO1 LED**(%%) is on, it means the device is in download mode.
1993 +
1994 +
1774 1774  )))
1775 1775  
1776 1776   [[image:image-20220524103407-12.png]]
... ... @@ -1782,6 +1782,7 @@
1782 1782  
1783 1783  (% 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:
1784 1784  
2006 +
1785 1785  [[image:1653360054704-518.png||height="186" width="745"]]
1786 1786  
1787 1787  
... ... @@ -1790,6 +1790,8 @@
1790 1790  
1791 1791  
1792 1792  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2015 +
2016 +
1793 1793  )))
1794 1794  )))
1795 1795  
... ... @@ -1800,7 +1800,10 @@
1800 1800  (((
1801 1801  
1802 1802  
2027 +
1803 1803  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2029 +
2030 +
1804 1804  )))
1805 1805  
1806 1806  (((
... ... @@ -1813,25 +1813,33 @@
1813 1813  (((
1814 1814  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1815 1815  
2043 +
1816 1816  
1817 1817  )))
1818 1818  )))
1819 1819  
1820 1820  (((
1821 -(% style="color:#4f81bd" %)**Step1**(%%): Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2049 +(% style="color:blue" %)**Step1**(%%):  Log in TTN, Create an ABP device in the application and input the network session key (NETSKEY), app session key (APPSKEY) from the device.
2050 +
2051 +
1822 1822  )))
1823 1823  
1824 1824  (((
1825 1825  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1826 1826  )))
1827 1827  
1828 1828  (((
1829 -(% 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.
2061 +(% 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.**
1830 1830  )))
1831 1831  
1832 1832  
2065 +
1833 1833  (((
1834 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2067 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2068 +
2069 +
1835 1835  )))
1836 1836  
1837 1837  (((
... ... @@ -1855,20 +1855,28 @@
1855 1855  [[image:1653360498588-932.png||height="485" width="726"]]
1856 1856  
1857 1857  
2093 +
1858 1858  == 5.4 Can I see counting event in Serial? ==
1859 1859  
2096 +
1860 1860  (((
1861 -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.
2098 +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.
1862 1862  
1863 1863  
2101 +
1864 1864  == 5.5 Can i use point to point communication for LT-22222-L? ==
1865 1865  
2104 +
1866 1866  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2106 +
2107 +
2108 +
1867 1867  )))
1868 1868  
1869 1869  (((
1870 1870  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1871 1871  
2114 +
1872 1872  If the device is not shut down, but directly powered off.
1873 1873  
1874 1874  It will default that this is a power-off state.
... ... @@ -1877,12 +1877,18 @@
1877 1877  
1878 1878  After restart, the status before power failure will be read from flash.
1879 1879  
2123 +
2124 +
1880 1880  = 6. Trouble Shooting =
2126 +
2127 +
1881 1881  )))
1882 1882  
1883 1883  (((
1884 1884  (((
1885 -== 6.1 Downlink doesn’t work, how to solve it? ==
2132 +== 6.1 Downlink doesn't work, how to solve it? ==
2133 +
2134 +
1886 1886  )))
1887 1887  )))
1888 1888  
... ... @@ -1893,7 +1893,10 @@
1893 1893  (((
1894 1894  
1895 1895  
2145 +
1896 1896  == 6.2 Have trouble to upload image. ==
2147 +
2148 +
1897 1897  )))
1898 1898  
1899 1899  (((
... ... @@ -1903,7 +1903,10 @@
1903 1903  (((
1904 1904  
1905 1905  
1906 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
2158 +
2159 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +
2161 +
1907 1907  )))
1908 1908  
1909 1909  (((
... ... @@ -1917,19 +1917,21 @@
1917 1917  
1918 1918  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1919 1919  
1920 -
1921 1921  (% style="color:#4f81bd" %)**XXX:**
1922 1922  
1923 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1924 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1925 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1926 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1927 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1928 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1929 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1930 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1931 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2177 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2178 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2179 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2180 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2181 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2182 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2183 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2184 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1932 1932  
2187 +
2188 +
2189 +
1933 1933  = 8. Packing Info =
1934 1934  
1935 1935  
... ... @@ -1947,18 +1947,28 @@
1947 1947  * Package Size / pcs : 14.5 x 8 x 5 cm
1948 1948  * Weight / pcs : 170g
1949 1949  
2207 +
2208 +
2209 +
1950 1950  = 9. Support =
1951 1951  
2212 +
1952 1952  * (((
1953 1953  Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1954 1954  )))
1955 1955  * (((
1956 1956  Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2218 +
2219 +
2220 +
2221 +
1957 1957  )))
1958 1958  
1959 1959  = 10. Reference​​​​​ =
1960 1960  
2226 +
1961 1961  * 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]]
1962 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1963 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2228 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1964 1964  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 +
2231 +
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