Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.27 >
edited by Xiaoling
on 2022/06/20 12:01
To version < 97.2 >
edited by Xiaoling
on 2022/09/12 09:21
>
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Summary

Details

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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  (((
... ... @@ -556,20 +556,27 @@
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
565 565  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  
612 +
613 +
614 +
567 567  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
568 568  
617 +
569 569  (% style="color:#4f81bd" %)**Trigger base on voltage**:
570 570  
571 571  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
572 572  
622 +
573 573  **Example:**
574 574  
575 575  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)
... ... @@ -582,6 +582,7 @@
582 582  
583 583  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
584 584  
635 +
585 585  **Example:**
586 586  
587 587  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -600,6 +600,7 @@
600 600  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
601 601  
602 602  
654 +
603 603  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
604 604  
605 605  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -643,11 +643,14 @@
643 643  
644 644  * Each bits shows if the corresponding trigger has been configured.
645 645  
698 +
699 +
646 646  **Example:**
647 647  
648 648  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
649 649  
650 650  
705 +
651 651  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
652 652  
653 653  [[image:image-20220524090249-3.png]]
... ... @@ -654,11 +654,14 @@
654 654  
655 655  * Each bits shows which status has been trigger on this uplink.
656 656  
712 +
713 +
657 657  **Example:**
658 658  
659 659  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
660 660  
661 661  
719 +
662 662  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
663 663  
664 664  [[image:image-20220524090456-4.png]]
... ... @@ -665,6 +665,8 @@
665 665  
666 666  * Each bits shows which status has been trigger on this uplink.
667 667  
726 +
727 +
668 668  **Example:**
669 669  
670 670  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -672,6 +672,7 @@
672 672  00000101: Means both DI1 and DI2 trigger are enabled.
673 673  
674 674  
735 +
675 675  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
676 676  
677 677  Downlink command to poll MOD6 status:
... ... @@ -682,19 +682,20 @@
682 682  
683 683  
684 684  
746 +
685 685  === 3.3.7 Payload Decoder ===
686 686  
687 687  (((
688 688  
689 689  
690 -**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/]]
691 -
692 -
752 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
693 693  )))
694 694  
695 695  
756 +
696 696  == 3.4 ​Configure LT via AT or Downlink ==
697 697  
759 +
698 698  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
699 699  
700 700  (((
... ... @@ -705,8 +705,12 @@
705 705  
706 706  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
707 707  
770 +
771 +
772 +
708 708  === 3.4.1 Common Commands ===
709 709  
775 +
710 710  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]]
711 711  
712 712  
... ... @@ -713,80 +713,73 @@
713 713  
714 714  === 3.4.2 Sensor related commands ===
715 715  
782 +
716 716  ==== 3.4.2.1 Set Transmit Interval ====
717 717  
785 +
718 718  Set device uplink interval.
719 719  
720 720  * (% style="color:#037691" %)**AT Command:**
721 721  
722 -(% class="box infomessage" %)
723 -(((
724 724  **AT+TDC=N **
725 -)))
726 726  
792 +
727 727  **Example: **AT+TDC=30000. Means set interval to 30 seconds
728 728  
729 729  
730 730  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
731 731  
732 -(% class="box infomessage" %)
733 -(((
734 734  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
735 -)))
736 736  
737 737  
738 738  
802 +
739 739  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
740 740  
805 +
741 741  Set work mode.
742 742  
743 743  * (% style="color:#037691" %)**AT Command:**
744 744  
745 -(% class="box infomessage" %)
746 -(((
747 747  **AT+MOD=N  **
748 -)))
749 749  
812 +
750 750  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
751 751  
752 752  
753 753  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
754 754  
755 -(% class="box infomessage" %)
756 -(((
757 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
758 -)))
818 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
759 759  
760 760  
761 761  
822 +
762 762  ==== 3.4.2.3 Poll an uplink ====
763 763  
764 -* (% style="color:#037691" %)AT Command:
765 765  
826 +* (% style="color:#037691" %)**AT Command:**
827 +
766 766  There is no AT Command to poll uplink
767 767  
768 768  
769 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
831 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
770 770  
771 -(% class="box infomessage" %)
772 -(((
773 -**0x08 FF     ~/~/ Poll an uplink,**
774 -)))
833 +**0x08 FF     **~/~/ Poll an uplink
775 775  
835 +
776 776  **Example**: 0x08FF, ask device to send an Uplink
777 777  
778 778  
779 779  
840 +
780 780  ==== 3.4.2.4 Enable Trigger Mode ====
781 781  
843 +
782 782  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
783 783  
784 -* (% style="color:#037691" %)AT Command:
846 +* (% style="color:#037691" %)**AT Command:**
785 785  
786 -(% class="box infomessage" %)
787 -(((
788 788  **AT+ADDMOD6=1 or 0**
789 -)))
790 790  
791 791  1: Enable Trigger Mode
792 792  
... ... @@ -793,38 +793,36 @@
793 793  0: Disable Trigger Mode
794 794  
795 795  
796 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
855 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
797 797  
798 -(% class="box infomessage" %)
799 -(((
800 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
801 -)))
857 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
802 802  
803 803  
804 804  
861 +
805 805  ==== 3.4.2.5 Poll trigger settings ====
806 806  
864 +
807 807  Poll trigger settings,
808 808  
809 -* (% style="color:#037691" %)AT Command:
867 +* (% style="color:#037691" %)**AT Command:**
810 810  
811 811  There is no AT Command for this feature.
812 812  
813 813  
814 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
872 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
815 815  
816 -(% class="box infomessage" %)
817 -(((
818 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
819 -)))
874 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
820 820  
821 821  
822 822  
878 +
823 823  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
824 824  
881 +
825 825  Enable Disable DI1/DI2/DI2 as trigger,
826 826  
827 -* (% style="color:#037691" %)AT Command:
884 +* (% style="color:#037691" %)**AT Command:**
828 828  
829 829  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
830 830  
... ... @@ -833,7 +833,7 @@
833 833  
834 834  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
835 835  
836 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
893 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
837 837  
838 838  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
839 839  
... ... @@ -842,9 +842,10 @@
842 842  
843 843  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
844 844  
902 +
845 845  Set DI1 or DI3(for LT-33222-L) trigger.
846 846  
847 -* (% style="color:#037691" %)AT Command:
905 +* (% style="color:#037691" %)**AT Command:**
848 848  
849 849  **AT+TRIG1=a,b**
850 850  
... ... @@ -862,8 +862,11 @@
862 862  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
863 863  
864 864  
923 +
924 +
865 865  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
866 866  
927 +
867 867  Set DI2 trigger.
868 868  
869 869  * (% style="color:#037691" %)**AT Command:**
... ... @@ -890,6 +890,7 @@
890 890  
891 891  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
892 892  
954 +
893 893  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
894 894  
895 895  * (% style="color:#037691" %)**AT Command**
... ... @@ -906,6 +906,7 @@
906 906  
907 907  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
908 908  
971 +
909 909  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
910 910  
911 911  * (% style="color:#037691" %)**AT Command**
... ... @@ -922,11 +922,12 @@
922 922  
923 923  ==== 3.4.2.11 Trigger – Set minimum interval ====
924 924  
925 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
926 926  
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 +
927 927  * (% style="color:#037691" %)**AT Command**
928 928  
929 -**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.
930 930  
931 931  
932 932  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -933,11 +933,18 @@
933 933  
934 934  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
935 935  
1000 +(((
1001 +
936 936  
1003 +(% style="color:red" %)**Note: ATDC setting must be more than 5min**
1004 +)))
937 937  
938 938  
1007 +
1008 +
939 939  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
940 940  
1011 +
941 941  * (% style="color:#037691" %)**AT Command**
942 942  
943 943  There is no AT Command to control Digital Output
... ... @@ -957,11 +957,11 @@
957 957  [[image:image-20220524092754-5.png]]
958 958  
959 959  (((
960 -(% 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.**
961 961  )))
962 962  
963 963  (((
964 -(% 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.**
965 965  )))
966 966  
967 967  
... ... @@ -969,6 +969,7 @@
969 969  
970 970  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
971 971  
1043 +
972 972  * (% style="color:#037691" %)**AT Command**
973 973  
974 974  There is no AT Command to control Digital Output
... ... @@ -1005,11 +1005,11 @@
1005 1005  [[image:image-20220524093351-8.png]]
1006 1006  
1007 1007  
1008 -(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1080 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1009 1009  
1010 1010   Latching time. Unit: ms
1011 1011  
1012 -Device will upload a packet if downlink code executes successfully.
1084 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1013 1013  
1014 1014  
1015 1015  **Example payload:**
... ... @@ -1035,6 +1035,7 @@
1035 1035  
1036 1036  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1037 1037  
1110 +
1038 1038  * (% style="color:#037691" %)**AT Command:**
1039 1039  
1040 1040  There is no AT Command to control Relay Output
... ... @@ -1057,7 +1057,7 @@
1057 1057  [[image:image-20220524093724-9.png]]
1058 1058  )))
1059 1059  
1060 -Device will upload a packet if downlink code executes successfully.
1133 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1061 1061  
1062 1062  
1063 1063  
... ... @@ -1064,6 +1064,7 @@
1064 1064  
1065 1065  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1066 1066  
1140 +
1067 1067  * (% style="color:#037691" %)**AT Command:**
1068 1068  
1069 1069  There is no AT Command to control Relay Output
... ... @@ -1087,37 +1087,37 @@
1087 1087  
1088 1088  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1089 1089  
1090 -[[image:image-20220524093831-10.png]]
1164 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1091 1091  
1092 1092  
1093 -(% 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
1094 1094  
1095 -Device will upload a packet if downlink code executes successfully.
1169 +(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1096 1096  
1097 1097  
1098 1098  **Example payload:**
1099 1099  
1100 -**~1. 05 01 11 07 D0**
1174 +**~1. 05 01 11 07 D**
1101 1101  
1102 -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.
1103 1103  
1104 1104  **2. 05 01 10 07 D0**
1105 1105  
1106 -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.
1107 1107  
1108 1108  **3. 05 00 01 07 D0**
1109 1109  
1110 -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.
1111 1111  
1112 1112  **4. 05 00 00 07 D0**
1113 1113  
1114 -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.
1115 1115  
1116 1116  
1117 1117  
1118 -
1119 1119  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1120 1120  
1194 +
1121 1121  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1122 1122  
1123 1123  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1134,9 +1134,10 @@
1134 1134  
1135 1135  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1136 1136  
1211 +
1137 1137  * (% style="color:#037691" %)**AT Command:**
1138 1138  
1139 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1214 +**AT+SETCNT=aa,(bb cc dd ee) **
1140 1140  
1141 1141  aa: 1: Set count1,
1142 1142  
... ... @@ -1156,11 +1156,12 @@
1156 1156  
1157 1157  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1158 1158  
1234 +
1159 1159  Clear counting for counting mode
1160 1160  
1161 1161  * (% style="color:#037691" %)**AT Command:**
1162 1162  
1163 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1239 +**AT+CLRCOUNT ** ~/~/ clear all counting
1164 1164  
1165 1165  
1166 1166  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1172,6 +1172,7 @@
1172 1172  
1173 1173  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1174 1174  
1251 +
1175 1175  * (% style="color:#037691" %)**AT Command:**
1176 1176  
1177 1177  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1184,13 +1184,124 @@
1184 1184  (((
1185 1185  range: aa bb cc:0 to 16777215,  (unit:second)
1186 1186  
1264 +
1265 +
1187 1187  
1188 1188  )))
1189 1189  
1269 +==== 3.4.2.20 Reset save DR DO state ====
1190 1190  
1191 1191  
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 +
1192 1192  == 3.5 Integrate with Mydevice ==
1193 1193  
1381 +
1194 1194  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:
1195 1195  
1196 1196  (((
... ... @@ -1199,14 +1199,15 @@
1199 1199  
1200 1200  (((
1201 1201  (% 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 +
1202 1202  )))
1203 1203  
1204 -[[image:1653356737703-362.png||height="232" width="732"]]
1394 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1205 1205  
1206 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1207 1207  
1208 1208  
1209 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1398 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1210 1210  
1211 1211  
1212 1212  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1239,8 +1239,10 @@
1239 1239  
1240 1240  == 3.6 Interface Detail ==
1241 1241  
1431 +
1242 1242  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1243 1243  
1434 +
1244 1244  Support NPN Type sensor
1245 1245  
1246 1246  [[image:1653356991268-289.png]]
... ... @@ -1249,6 +1249,7 @@
1249 1249  
1250 1250  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1251 1251  
1443 +
1252 1252  (((
1253 1253  The DI port of LT-22222-L can support NPN or PNP output sensor.
1254 1254  )))
... ... @@ -1255,7 +1255,9 @@
1255 1255  
1256 1256  (((
1257 1257  (((
1258 -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 +
1259 1259  )))
1260 1260  )))
1261 1261  
... ... @@ -1280,10 +1280,10 @@
1280 1280  )))
1281 1281  
1282 1282  * (((
1283 -Connect sensor’s output to DI1-
1477 +Connect sensor's output to DI1-
1284 1284  )))
1285 1285  * (((
1286 -Connect sensor’s VCC to DI1+.
1480 +Connect sensor's VCC to DI1+.
1287 1287  )))
1288 1288  
1289 1289  (((
... ... @@ -1291,15 +1291,17 @@
1291 1291  )))
1292 1292  
1293 1293  (((
1294 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1488 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1295 1295  )))
1296 1296  
1297 1297  (((
1298 -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.
1299 1299  )))
1300 1300  
1301 1301  (((
1302 1302  
1497 +
1498 +
1303 1303  )))
1304 1304  
1305 1305  (((
... ... @@ -1311,10 +1311,10 @@
1311 1311  )))
1312 1312  
1313 1313  * (((
1314 -Connect sensor’s output to DI1+
1510 +Connect sensor's output to DI1+
1315 1315  )))
1316 1316  * (((
1317 -Connect sensor’s GND DI1-.
1513 +Connect sensor's GND DI1-.
1318 1318  )))
1319 1319  
1320 1320  (((
... ... @@ -1331,6 +1331,8 @@
1331 1331  
1332 1332  (((
1333 1333  
1530 +
1531 +
1334 1334  )))
1335 1335  
1336 1336  (((
... ... @@ -1342,10 +1342,10 @@
1342 1342  )))
1343 1343  
1344 1344  * (((
1345 -Connect sensor’s output to DI1+ with a serial 50K resistor
1543 +Connect sensor's output to DI1+ with a serial 50K resistor
1346 1346  )))
1347 1347  * (((
1348 -Connect sensor’s GND DI1-.
1546 +Connect sensor's GND DI1-.
1349 1349  )))
1350 1350  
1351 1351  (((
... ... @@ -1364,6 +1364,7 @@
1364 1364  
1365 1365  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1366 1366  
1565 +
1367 1367  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1368 1368  
1369 1369  [[image:1653357531600-905.png]]
... ... @@ -1372,6 +1372,7 @@
1372 1372  
1373 1373  === 3.6.4 Analog Input Interface ===
1374 1374  
1574 +
1375 1375  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:
1376 1376  
1377 1377  
... ... @@ -1403,6 +1403,7 @@
1403 1403  
1404 1404  === 3.6.5 Relay Output ===
1405 1405  
1606 +
1406 1406  (((
1407 1407  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:
1408 1408  )))
... ... @@ -1409,6 +1409,7 @@
1409 1409  
1410 1410  [[image:image-20220524100215-9.png]]
1411 1411  
1613 +
1412 1412  [[image:image-20220524100215-10.png||height="382" width="723"]]
1413 1413  
1414 1414  
... ... @@ -1415,13 +1415,17 @@
1415 1415  
1416 1416  == 3.7 LEDs Indicators ==
1417 1417  
1620 +
1418 1418  [[image:image-20220524100748-11.png]]
1419 1419  
1420 1420  
1624 +
1421 1421  = 4. Use AT Command =
1422 1422  
1627 +
1423 1423  == 4.1 Access AT Command ==
1424 1424  
1630 +
1425 1425  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.
1426 1426  
1427 1427  [[image:1653358238933-385.png]]
... ... @@ -1620,8 +1620,6 @@
1620 1620  
1621 1621  (((
1622 1622  AT+CFG: Print all settings
1623 -
1624 -
1625 1625  )))
1626 1626  
1627 1627  
... ... @@ -1628,6 +1628,7 @@
1628 1628  
1629 1629  == 4.2 Common AT Command Sequence ==
1630 1630  
1835 +
1631 1631  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1632 1632  
1633 1633  (((
... ... @@ -1667,8 +1667,6 @@
1667 1667  
1668 1668  (((
1669 1669  (% style="background-color:#dcdcdc" %)ATZ
1670 -
1671 -
1672 1672  )))
1673 1673  
1674 1674  
... ... @@ -1740,6 +1740,8 @@
1740 1740  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1741 1741  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.
1742 1742  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 +
1743 1743  )))
1744 1744  
1745 1745  (((
... ... @@ -1753,13 +1753,16 @@
1753 1753  
1754 1754  === 4.2.3 Change to Class A ===
1755 1755  
1961 +
1756 1756  If sensor JOINED
1757 1757  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1758 1758  ATZ
1759 1759  
1760 1760  
1967 +
1761 1761  = 5. FAQ =
1762 1762  
1970 +
1763 1763  == 5.1 How to upgrade the image? ==
1764 1764  
1765 1765  
... ... @@ -1776,12 +1776,14 @@
1776 1776  
1777 1777  (((
1778 1778  (% 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]].
1779 -(% 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]].
1780 1780  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1781 1781  
1782 1782  
1783 1783  (% style="color:blue" %)**For LT-22222-L**(%%):
1784 -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 +
1785 1785  )))
1786 1786  
1787 1787   [[image:image-20220524103407-12.png]]
... ... @@ -1793,6 +1793,7 @@
1793 1793  
1794 1794  (% 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:
1795 1795  
2006 +
1796 1796  [[image:1653360054704-518.png||height="186" width="745"]]
1797 1797  
1798 1798  
... ... @@ -1801,6 +1801,8 @@
1801 1801  
1802 1802  
1803 1803  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2015 +
2016 +
1804 1804  )))
1805 1805  )))
1806 1806  
... ... @@ -1811,7 +1811,10 @@
1811 1811  (((
1812 1812  
1813 1813  
2027 +
1814 1814  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2029 +
2030 +
1815 1815  )))
1816 1816  
1817 1817  (((
... ... @@ -1824,25 +1824,33 @@
1824 1824  (((
1825 1825  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1826 1826  
2043 +
1827 1827  
1828 1828  )))
1829 1829  )))
1830 1830  
1831 1831  (((
1832 -(% 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 +
1833 1833  )))
1834 1834  
1835 1835  (((
1836 1836  [[image:1653360231087-571.png||height="401" width="727"]]
2056 +
2057 +
1837 1837  )))
1838 1838  
1839 1839  (((
1840 -(% 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.**
1841 1841  )))
1842 1842  
1843 1843  
2065 +
1844 1844  (((
1845 -(% 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 +
1846 1846  )))
1847 1847  
1848 1848  (((
... ... @@ -1866,20 +1866,28 @@
1866 1866  [[image:1653360498588-932.png||height="485" width="726"]]
1867 1867  
1868 1868  
2093 +
1869 1869  == 5.4 Can I see counting event in Serial? ==
1870 1870  
2096 +
1871 1871  (((
1872 -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.
1873 1873  
1874 1874  
2101 +
1875 1875  == 5.5 Can i use point to point communication for LT-22222-L? ==
1876 1876  
2104 +
1877 1877  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2106 +
2107 +
2108 +
1878 1878  )))
1879 1879  
1880 1880  (((
1881 1881  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1882 1882  
2114 +
1883 1883  If the device is not shut down, but directly powered off.
1884 1884  
1885 1885  It will default that this is a power-off state.
... ... @@ -1888,12 +1888,18 @@
1888 1888  
1889 1889  After restart, the status before power failure will be read from flash.
1890 1890  
2123 +
2124 +
1891 1891  = 6. Trouble Shooting =
2126 +
2127 +
1892 1892  )))
1893 1893  
1894 1894  (((
1895 1895  (((
1896 -== 6.1 Downlink doesn’t work, how to solve it? ==
2132 +== 6.1 Downlink doesn't work, how to solve it? ==
2133 +
2134 +
1897 1897  )))
1898 1898  )))
1899 1899  
... ... @@ -1904,7 +1904,10 @@
1904 1904  (((
1905 1905  
1906 1906  
2145 +
1907 1907  == 6.2 Have trouble to upload image. ==
2147 +
2148 +
1908 1908  )))
1909 1909  
1910 1910  (((
... ... @@ -1914,7 +1914,10 @@
1914 1914  (((
1915 1915  
1916 1916  
1917 -== 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 +
1918 1918  )))
1919 1919  
1920 1920  (((
... ... @@ -1928,19 +1928,21 @@
1928 1928  
1929 1929  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1930 1930  
1931 -
1932 1932  (% style="color:#4f81bd" %)**XXX:**
1933 1933  
1934 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1935 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1936 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1937 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1938 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1939 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1940 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1941 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1942 -* (% 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
1943 1943  
2187 +
2188 +
2189 +
1944 1944  = 8. Packing Info =
1945 1945  
1946 1946  
... ... @@ -1958,18 +1958,28 @@
1958 1958  * Package Size / pcs : 14.5 x 8 x 5 cm
1959 1959  * Weight / pcs : 170g
1960 1960  
2207 +
2208 +
2209 +
1961 1961  = 9. Support =
1962 1962  
2212 +
1963 1963  * (((
1964 1964  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.
1965 1965  )))
1966 1966  * (((
1967 1967  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 +
1968 1968  )))
1969 1969  
1970 1970  = 10. Reference​​​​​ =
1971 1971  
2226 +
1972 1972  * 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]]
1973 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1974 -* [[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]]
1975 1975  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2230 +
2231 +
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