Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 102.2 >
edited by Xiaoling
on 2022/10/29 09:42
To version < 90.1 >
edited by Bei Jinggeng
on 2022/07/19 11:07
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -15,16 +15,13 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 22  
23 23  
24 -(((
25 25  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
26 26  )))
27 -)))
28 28  
29 29  (((
30 30  The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
... ... @@ -39,13 +39,11 @@
39 39  )))
40 40  
41 41  (((
42 -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.
39 +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.
43 43  )))
44 44  
45 45  (((
46 46  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
47 -
48 -
49 49  )))
50 50  
51 51  (((
... ... @@ -60,7 +60,7 @@
60 60  (((
61 61  
62 62  
63 -(% style="color:#037691" %)**Hardware System:**
58 +**Hardware System:**
64 64  )))
65 65  
66 66  * (((
... ... @@ -85,7 +85,7 @@
85 85  (((
86 86  
87 87  
88 -(% style="color:#037691" %)**Interface for Model: LT22222-L:**
83 +**Interface for Model: LT22222-L:**
89 89  )))
90 90  
91 91  * (((
... ... @@ -110,7 +110,7 @@
110 110  (((
111 111  
112 112  
113 -(% style="color:#037691" %)**LoRa Spec:**
108 +**LoRa Spec:**
114 114  )))
115 115  
116 116  * (((
... ... @@ -171,27 +171,21 @@
171 171  Packet engine up to 256 bytes with CRC.
172 172  
173 173  
174 -
175 175  
176 176  )))
177 177  
178 178  == 1.3 Features ==
179 179  
180 -
181 181  * LoRaWAN Class A & Class C protocol
182 182  * Optional Customized LoRa Protocol
183 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
176 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
184 184  * AT Commands to change parameters
185 185  * Remote configure parameters via LoRa Downlink
186 186  * Firmware upgradable via program port
187 187  * Counting
188 188  
189 -
190 -
191 -
192 192  == 1.4  Applications ==
193 193  
194 -
195 195  * Smart Buildings & Home Automation
196 196  * Logistics and Supply Chain Management
197 197  * Smart Metering
... ... @@ -199,12 +199,8 @@
199 199  * Smart Cities
200 200  * Smart Factory
201 201  
202 -
203 -
204 -
205 205  == 1.5 Hardware Variants ==
206 206  
207 -
208 208  (% border="1" style="background-color:#f7faff; width:500px" %)
209 209  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
210 210  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -216,20 +216,12 @@
216 216  * 1 x Counting Port
217 217  )))
218 218  
219 -
220 -
221 -
222 222  = 2. Power ON Device =
223 223  
224 -
225 -(((
226 226  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.
227 -)))
228 228  
229 229  (((
230 230  PWR will on when device is properly powered.
231 -
232 -
233 233  )))
234 234  
235 235  [[image:1653297104069-180.png]]
... ... @@ -238,10 +238,8 @@
238 238  
239 239  = 3. Operation Mode =
240 240  
241 -
242 242  == 3.1 How it works? ==
243 243  
244 -
245 245  (((
246 246  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. 
247 247  )))
... ... @@ -251,14 +251,10 @@
251 251  )))
252 252  
253 253  
254 -
255 255  == 3.2 Example to join LoRaWAN network ==
256 256  
257 -
258 258  (((
259 259  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. 
260 -
261 -
262 262  )))
263 263  
264 264  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -266,8 +266,6 @@
266 266  
267 267  (((
268 268  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:
269 -
270 -
271 271  )))
272 272  
273 273  (((
... ... @@ -283,21 +283,18 @@
283 283  
284 284  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
285 285  
286 -**Add APP EUI in the application.**
255 +Add APP EUI in the application.
287 287  
288 288  [[image:1653297955910-247.png||height="321" width="716"]]
289 289  
290 290  
291 -**Add APP KEY and DEV EUI**
260 +Add APP KEY and DEV EUI
292 292  
293 293  [[image:1653298023685-319.png]]
294 294  
295 295  
296 -
297 297  (((
298 298  (% 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.
299 -
300 -
301 301  )))
302 302  
303 303  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -306,7 +306,6 @@
306 306  
307 307  == 3.3 Uplink Payload ==
308 308  
309 -
310 310  There are five working modes + one interrupt mode on LT for different type application:
311 311  
312 312  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
... ... @@ -316,15 +316,9 @@
316 316  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
317 317  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
318 318  
319 -
320 -
321 -
322 322  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
323 323  
324 -
325 -(((
326 326  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
327 -)))
328 328  
329 329  [[image:image-20220523174024-3.png]]
330 330  
... ... @@ -340,7 +340,7 @@
340 340  * DI is for digital input. DIx=1: high or float, DIx=0: low.
341 341  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
342 342  
343 -(% style="color:red" %)**Note: DI3 and DO3 bit are not valid for LT-22222-L**
302 +(% style="color:red" %)Note: DI3 and DO3 bit are not valid for LT-22222-L
344 344  
345 345  For example if payload is: [[image:image-20220523175847-2.png]]
346 346  
... ... @@ -375,15 +375,10 @@
375 375  ** DO1 is high in case there is load between DO1 and V+.
376 376  ** DO1 LED is off in both case
377 377  
378 -
379 -
380 -
381 381  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
382 382  
383 383  
384 -(((
385 385  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
386 -)))
387 387  
388 388  (((
389 389  Total : 11 bytes payload
... ... @@ -403,7 +403,7 @@
403 403  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
404 404  
405 405  (((
406 -(% style="color:red" %)**Note: DO3 bit is not valid for LT-22222-L.**
360 +(% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L.
407 407  )))
408 408  
409 409  (((
... ... @@ -415,22 +415,16 @@
415 415  (% class="box infomessage" %)
416 416  (((
417 417  (((
418 -(((
419 419  **AT+MOD=2**
420 -)))
421 421  
422 -(((
423 423  **ATZ**
424 424  )))
425 425  )))
426 -)))
427 427  
428 428  (((
429 429  
430 430  
431 431  (% style="color:#4f81bd" %)**AT Commands for counting:**
432 -
433 -
434 434  )))
435 435  
436 436  (((
... ... @@ -454,7 +454,6 @@
454 454  
455 455  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
456 456  
457 -
458 458  **LT22222-L**: This mode the DI1 is used as a counting pin.
459 459  
460 460  [[image:image-20220523181246-5.png]]
... ... @@ -472,7 +472,7 @@
472 472  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
473 473  
474 474  (((
475 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
422 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
476 476  )))
477 477  
478 478  
... ... @@ -483,15 +483,11 @@
483 483  (% class="box infomessage" %)
484 484  (((
485 485  (((
486 -(((
487 487  **AT+MOD=3**
488 -)))
489 489  
490 -(((
491 491  **ATZ**
492 492  )))
493 493  )))
494 -)))
495 495  
496 496  (((
497 497  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -502,13 +502,9 @@
502 502  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
503 503  
504 504  
505 -(((
506 506  **LT22222-L**: This mode the DI1 is used as a counting pin.
507 -)))
508 508  
509 -(((
510 510  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
511 -)))
512 512  
513 513  [[image:image-20220523181903-8.png]]
514 514  
... ... @@ -524,7 +524,7 @@
524 524  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
525 525  
526 526  (((
527 -(% 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.
528 528  )))
529 529  
530 530  (((
... ... @@ -536,17 +536,14 @@
536 536  (% class="box infomessage" %)
537 537  (((
538 538  (((
539 -(((
540 540  **AT+MOD=4**
541 -)))
542 542  
543 -(((
544 544  **ATZ**
545 545  )))
546 546  )))
547 -)))
548 548  
549 549  
485 +
550 550  (((
551 551  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
552 552  )))
... ... @@ -588,7 +588,7 @@
588 588  )))
589 589  
590 590  (((
591 -(% style="color:red" %)**Note: DO3 is not valid for LT-22222-L.**
527 +(% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
592 592  )))
593 593  
594 594  (((
... ... @@ -600,15 +600,11 @@
600 600  (% class="box infomessage" %)
601 601  (((
602 602  (((
603 -(((
604 604  **AT+MOD=5**
605 -)))
606 606  
607 -(((
608 608  **ATZ**
609 609  )))
610 610  )))
611 -)))
612 612  
613 613  (((
614 614  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
... ... @@ -638,7 +638,6 @@
638 638  
639 639  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
640 640  
641 -
642 642  **Example:**
643 643  
644 644  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)
... ... @@ -651,7 +651,6 @@
651 651  
652 652  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
653 653  
654 -
655 655  **Example:**
656 656  
657 657  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
... ... @@ -670,7 +670,6 @@
670 670  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
671 671  
672 672  
673 -
674 674  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
675 675  
676 676  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -719,7 +719,6 @@
719 719  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
720 720  
721 721  
722 -
723 723  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
724 724  
725 725  [[image:image-20220524090249-3.png]]
... ... @@ -731,7 +731,6 @@
731 731  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
732 732  
733 733  
734 -
735 735  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
736 736  
737 737  [[image:image-20220524090456-4.png]]
... ... @@ -745,7 +745,6 @@
745 745  00000101: Means both DI1 and DI2 trigger are enabled.
746 746  
747 747  
748 -
749 749  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
750 750  
751 751  Downlink command to poll MOD6 status:
... ... @@ -761,36 +761,27 @@
761 761  (((
762 762  
763 763  
764 -**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>https://github.com/dragino/dragino-end-node-decoder]]
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 +
765 765  )))
766 766  
767 767  
768 -
769 769  == 3.4 ​Configure LT via AT or Downlink ==
770 770  
771 -
772 -(((
773 773  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
774 -)))
775 775  
776 776  (((
777 -(((
778 778  There are two kinds of Commands:
779 779  )))
780 -)))
781 781  
782 -* (% style="color:blue" %)**Common Commands**(%%): They should be available for each sensor, 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]]
704 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
783 783  
784 -* (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
706 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
785 785  
786 -
787 -
788 788  === 3.4.1 Common Commands ===
789 789  
790 -
791 -(((
792 792  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]]
793 -)))
794 794  
795 795  
796 796  
... ... @@ -799,12 +799,11 @@
799 799  
800 800  ==== 3.4.2.1 Set Transmit Interval ====
801 801  
802 -
803 803  Set device uplink interval.
804 804  
805 805  * (% style="color:#037691" %)**AT Command:**
806 806  
807 -**(% style="color:blue" %)AT+TDC=N **
723 +**AT+TDC=N **
808 808  
809 809  
810 810  **Example: **AT+TDC=30000. Means set interval to 30 seconds
... ... @@ -812,7 +812,7 @@
812 812  
813 813  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
814 814  
815 -**(% style="color:blue" %)0x01 aa bb cc  (%%)   ~/~/ Same as AT+TDC=0x(aa bb cc)**
731 +**0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
816 816  
817 817  
818 818  
... ... @@ -819,12 +819,11 @@
819 819  
820 820  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
821 821  
822 -
823 823  Set work mode.
824 824  
825 825  * (% style="color:#037691" %)**AT Command:**
826 826  
827 -**(% style="color:blue" %)AT+MOD=N  **
742 +**AT+MOD=N  **
828 828  
829 829  
830 830  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
... ... @@ -832,7 +832,7 @@
832 832  
833 833  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
834 834  
835 -**(% style="color:blue" %)0x0A aa  (%%)  ** ~/~/ Same as AT+MOD=aa
750 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
836 836  
837 837  
838 838  
... ... @@ -839,7 +839,6 @@
839 839  
840 840  ==== 3.4.2.3 Poll an uplink ====
841 841  
842 -
843 843  * (% style="color:#037691" %)**AT Command:**
844 844  
845 845  There is no AT Command to poll uplink
... ... @@ -847,9 +847,8 @@
847 847  
848 848  * (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
849 849  
850 -**(% style="color:blue" %)0x08 FF  (%%)   **~/~/ Poll an uplink
764 +**0x08 FF     **~/~/ Poll an uplink
851 851  
852 -
853 853  **Example**: 0x08FF, ask device to send an Uplink
854 854  
855 855  
... ... @@ -857,21 +857,20 @@
857 857  
858 858  ==== 3.4.2.4 Enable Trigger Mode ====
859 859  
860 -
861 861  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
862 862  
863 863  * (% style="color:#037691" %)**AT Command:**
864 864  
865 -**(% style="color:blue" %)AT+ADDMOD6=1 or 0**
777 +**AT+ADDMOD6=1 or 0**
866 866  
867 -**(% style="color:red" %)1:** Enable Trigger Mode
779 +1: Enable Trigger Mode
868 868  
869 -**(% style="color:red" %)0: **Disable Trigger Mode
781 +0: Disable Trigger Mode
870 870  
871 871  
872 872  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
873 873  
874 -**(% style="color:blue" %)0x0A 06 aa    **(%%) ~/~/ Same as AT+ADDMOD6=aa
786 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
875 875  
876 876  
877 877  
... ... @@ -878,7 +878,6 @@
878 878  
879 879  ==== 3.4.2.5 Poll trigger settings ====
880 880  
881 -
882 882  Poll trigger settings,
883 883  
884 884  * (% style="color:#037691" %)**AT Command:**
... ... @@ -888,7 +888,7 @@
888 888  
889 889  * (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
890 890  
891 -**(% style="color:blue" %)0xAB 06  ** (%%) ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
802 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
892 892  
893 893  
894 894  
... ... @@ -895,7 +895,6 @@
895 895  
896 896  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
897 897  
898 -
899 899  Enable Disable DI1/DI2/DI2 as trigger,
900 900  
901 901  * (% style="color:#037691" %)**AT Command:**
... ... @@ -909,7 +909,7 @@
909 909  
910 910  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
911 911  
912 -**(% style="color:blue" %)0xAA 02 aa bb   ** (%%) ~/~/ Same as AT+DTRI=aa,bb
822 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
913 913  
914 914  
915 915  
... ... @@ -916,12 +916,11 @@
916 916  
917 917  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
918 918  
919 -
920 920  Set DI1 or DI3(for LT-33222-L) trigger.
921 921  
922 922  * (% style="color:#037691" %)**AT Command:**
923 923  
924 -**(% style="color:blue" %)AT+TRIG1=a,b**
833 +**AT+TRIG1=a,b**
925 925  
926 926  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
927 927  
... ... @@ -938,7 +938,6 @@
938 938  
939 939  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
940 940  
941 -
942 942  Set DI2 trigger.
943 943  
944 944  * (% style="color:#037691" %)**AT Command:**
... ... @@ -965,7 +965,6 @@
965 965  
966 966  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
967 967  
968 -
969 969  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
970 970  
971 971  * (% style="color:#037691" %)**AT Command**
... ... @@ -982,7 +982,6 @@
982 982  
983 983  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
984 984  
985 -
986 986  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
987 987  
988 988  * (% style="color:#037691" %)**AT Command**
... ... @@ -999,7 +999,6 @@
999 999  
1000 1000  ==== 3.4.2.11 Trigger – Set minimum interval ====
1001 1001  
1002 -
1003 1003  Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
1004 1004  
1005 1005  * (% style="color:#037691" %)**AT Command**
... ... @@ -1014,7 +1014,7 @@
1014 1014  (((
1015 1015  
1016 1016  
1017 -(% style="color:red" %)**Note: ATDC setting must be more than 5min**
922 +(% style="color:red" %)Note: ATDC setting must be more than 5min
1018 1018  )))
1019 1019  
1020 1020  
... ... @@ -1022,7 +1022,6 @@
1022 1022  
1023 1023  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
1024 1024  
1025 -
1026 1026  * (% style="color:#037691" %)**AT Command**
1027 1027  
1028 1028  There is no AT Command to control Digital Output
... ... @@ -1042,11 +1042,11 @@
1042 1042  [[image:image-20220524092754-5.png]]
1043 1043  
1044 1044  (((
1045 -(% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
949 +(% style="color:red" %)Note: For LT-22222-L, there is no DO3, the last byte can use any value.
1046 1046  )))
1047 1047  
1048 1048  (((
1049 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
953 +(% style="color:red" %)Device will upload a packet if downlink code executes successfully.
1050 1050  )))
1051 1051  
1052 1052  
... ... @@ -1054,7 +1054,6 @@
1054 1054  
1055 1055  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1056 1056  
1057 -
1058 1058  * (% style="color:#037691" %)**AT Command**
1059 1059  
1060 1060  There is no AT Command to control Digital Output
... ... @@ -1091,11 +1091,11 @@
1091 1091  [[image:image-20220524093351-8.png]]
1092 1092  
1093 1093  
1094 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
997 +(% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1095 1095  
1096 1096   Latching time. Unit: ms
1097 1097  
1098 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1001 +Device will upload a packet if downlink code executes successfully.
1099 1099  
1100 1100  
1101 1101  **Example payload:**
... ... @@ -1121,7 +1121,6 @@
1121 1121  
1122 1122  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1123 1123  
1124 -
1125 1125  * (% style="color:#037691" %)**AT Command:**
1126 1126  
1127 1127  There is no AT Command to control Relay Output
... ... @@ -1144,7 +1144,7 @@
1144 1144  [[image:image-20220524093724-9.png]]
1145 1145  )))
1146 1146  
1147 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1049 +Device will upload a packet if downlink code executes successfully.
1148 1148  
1149 1149  
1150 1150  
... ... @@ -1151,7 +1151,6 @@
1151 1151  
1152 1152  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1153 1153  
1154 -
1155 1155  * (% style="color:#037691" %)**AT Command:**
1156 1156  
1157 1157  There is no AT Command to control Relay Output
... ... @@ -1175,12 +1175,12 @@
1175 1175  
1176 1176  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1177 1177  
1178 -[[image:image-20221008095908-1.png||height="364" width="564"]]
1079 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1179 1179  
1180 1180  
1181 -(% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1082 +(% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1182 1182  
1183 -(% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1084 +Device will upload a packet if downlink code executes successfully.
1184 1184  
1185 1185  
1186 1186  **Example payload:**
... ... @@ -1203,9 +1203,9 @@
1203 1203  
1204 1204  
1205 1205  
1107 +
1206 1206  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1207 1207  
1208 -
1209 1209  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1210 1210  
1211 1211  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1222,7 +1222,6 @@
1222 1222  
1223 1223  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1224 1224  
1225 -
1226 1226  * (% style="color:#037691" %)**AT Command:**
1227 1227  
1228 1228  **AT+SETCNT=aa,(bb cc dd ee) **
... ... @@ -1245,7 +1245,6 @@
1245 1245  
1246 1246  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1247 1247  
1248 -
1249 1249  Clear counting for counting mode
1250 1250  
1251 1251  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1262,7 +1262,6 @@
1262 1262  
1263 1263  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1264 1264  
1265 -
1266 1266  * (% style="color:#037691" %)**AT Command:**
1267 1267  
1268 1268  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1275,127 +1275,13 @@
1275 1275  (((
1276 1276  range: aa bb cc:0 to 16777215,  (unit:second)
1277 1277  
1278 -
1279 -
1280 1280  
1281 1281  )))
1282 1282  
1283 -==== 3.4.2.20 Reset save DR DO state ====
1284 1284  
1285 1285  
1286 -* (% style="color:#037691" %)**AT Command:**
1287 -
1288 -**AT+RODORET=1  **~/~/ RODO will close when the device joining the network. (default)
1289 -
1290 -**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.
1291 -
1292 -
1293 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
1294 -
1295 -**0x AD aa      **~/~/ same as AT+RODORET =aa
1296 -
1297 -(((
1298 -
1299 -
1300 -
1301 -
1302 -==== 3.4.2.21 Encrypted payload ====
1303 -
1304 -
1305 -* (% style="color:#037691" %)**AT Command:**
1306 -
1307 -**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1308 -
1309 -**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1310 -
1311 -
1312 -
1313 -
1314 -==== 3.4.2.22 Get sensor value ====
1315 -
1316 -
1317 -* (% style="color:#037691" %)**AT Command:**
1318 -
1319 -**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1320 -
1321 -**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1322 -
1323 -
1324 -
1325 -
1326 -==== 3.4.2.23 Resets the downlink packet count ====
1327 -
1328 -
1329 -* (% style="color:#037691" %)**AT Command:**
1330 -
1331 -**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)
1332 -
1333 -**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.
1334 -
1335 -
1336 -
1337 -
1338 -==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1339 -
1340 -
1341 -* (% style="color:#037691" %)**AT Command:**
1342 -
1343 - **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)
1344 -
1345 - **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.
1346 -
1347 -
1348 -* (% style="color:#037691" %)**Downlink Payload **(%%)**:**
1349 -
1350 -**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1351 -
1352 -
1353 -
1354 -
1355 -==== 3.4.2.25 Copy downlink to uplink ====
1356 -
1357 -
1358 -* (% style="color:#037691" %)**AT Command**(%%)**:**
1359 -
1360 - **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.
1361 -
1362 -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.
1363 -
1364 -
1365 -[[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"]]
1366 -
1367 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1368 -
1369 -
1370 -
1371 -[[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"]]
1372 -
1373 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1374 -
1375 -
1376 -
1377 -==== 3.4.2.26 Query version number and frequency band 、TDC ====
1378 -
1379 -
1380 -* (((
1381 -(% style="color:#037691" %)**Downlink Payload**(%%)**:**
1382 -
1383 -**26 01  ** ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1384 -
1385 -
1386 -)))
1387 -
1388 -**Example：**
1389 -
1390 -[[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"]]
1391 -
1392 -
1393 -
1394 -)))
1395 -
1396 1396  == 3.5 Integrate with Mydevice ==
1397 1397  
1398 -
1399 1399  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:
1400 1400  
1401 1401  (((
... ... @@ -1404,8 +1404,6 @@
1404 1404  
1405 1405  (((
1406 1406  (% 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:
1407 -
1408 -
1409 1409  )))
1410 1410  
1411 1411  [[image:image-20220719105525-1.png||height="377" width="677"]]
... ... @@ -1445,10 +1445,8 @@
1445 1445  
1446 1446  == 3.6 Interface Detail ==
1447 1447  
1448 -
1449 1449  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1450 1450  
1451 -
1452 1452  Support NPN Type sensor
1453 1453  
1454 1454  [[image:1653356991268-289.png]]
... ... @@ -1457,7 +1457,6 @@
1457 1457  
1458 1458  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1459 1459  
1460 -
1461 1461  (((
1462 1462  The DI port of LT-22222-L can support NPN or PNP output sensor.
1463 1463  )))
... ... @@ -1464,9 +1464,7 @@
1464 1464  
1465 1465  (((
1466 1466  (((
1467 -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.
1468 -
1469 -
1246 +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
1470 1470  )))
1471 1471  )))
1472 1472  
... ... @@ -1491,10 +1491,10 @@
1491 1491  )))
1492 1492  
1493 1493  * (((
1494 -Connect sensor's output to DI1-
1271 +Connect sensor’s output to DI1-
1495 1495  )))
1496 1496  * (((
1497 -Connect sensor's VCC to DI1+.
1274 +Connect sensor’s VCC to DI1+.
1498 1498  )))
1499 1499  
1500 1500  (((
... ... @@ -1502,17 +1502,15 @@
1502 1502  )))
1503 1503  
1504 1504  (((
1505 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1**+** / 1K.**
1282 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1506 1506  )))
1507 1507  
1508 1508  (((
1509 -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.
1286 +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.
1510 1510  )))
1511 1511  
1512 1512  (((
1513 1513  
1514 -
1515 -
1516 1516  )))
1517 1517  
1518 1518  (((
... ... @@ -1524,10 +1524,10 @@
1524 1524  )))
1525 1525  
1526 1526  * (((
1527 -Connect sensor's output to DI1+
1302 +Connect sensor’s output to DI1+
1528 1528  )))
1529 1529  * (((
1530 -Connect sensor's GND DI1-.
1305 +Connect sensor’s GND DI1-.
1531 1531  )))
1532 1532  
1533 1533  (((
... ... @@ -1544,8 +1544,6 @@
1544 1544  
1545 1545  (((
1546 1546  
1547 -
1548 -
1549 1549  )))
1550 1550  
1551 1551  (((
... ... @@ -1557,10 +1557,10 @@
1557 1557  )))
1558 1558  
1559 1559  * (((
1560 -Connect sensor's output to DI1+ with a serial 50K resistor
1333 +Connect sensor’s output to DI1+ with a serial 50K resistor
1561 1561  )))
1562 1562  * (((
1563 -Connect sensor's GND DI1-.
1336 +Connect sensor’s GND DI1-.
1564 1564  )))
1565 1565  
1566 1566  (((
... ... @@ -1579,7 +1579,6 @@
1579 1579  
1580 1580  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1581 1581  
1582 -
1583 1583  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1584 1584  
1585 1585  [[image:1653357531600-905.png]]
... ... @@ -1588,7 +1588,6 @@
1588 1588  
1589 1589  === 3.6.4 Analog Input Interface ===
1590 1590  
1591 -
1592 1592  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:
1593 1593  
1594 1594  
... ... @@ -1601,13 +1601,13 @@
1601 1601  We take the wind speed sensor as an example for reference only.
1602 1602  
1603 1603  
1604 -(% style="color:blue" %)**Specifications of the wind speed sensor:**
1375 +**Specifications of the wind speed sensor:**
1605 1605  
1606 -**Red:  12~~24v**
1377 +Red:  12~~24v
1607 1607  
1608 -**Yellow:  4~~20mA**
1379 +Yellow:  4~~20mA
1609 1609  
1610 -**Black:  GND**
1381 +Black:  GND
1611 1611  
1612 1612  
1613 1613  **Connection diagram:**
... ... @@ -1620,7 +1620,6 @@
1620 1620  
1621 1621  === 3.6.5 Relay Output ===
1622 1622  
1623 -
1624 1624  (((
1625 1625  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:
1626 1626  )))
... ... @@ -1627,7 +1627,6 @@
1627 1627  
1628 1628  [[image:image-20220524100215-9.png]]
1629 1629  
1630 -
1631 1631  [[image:image-20220524100215-10.png||height="382" width="723"]]
1632 1632  
1633 1633  
... ... @@ -1634,7 +1634,6 @@
1634 1634  
1635 1635  == 3.7 LEDs Indicators ==
1636 1636  
1637 -
1638 1638  [[image:image-20220524100748-11.png]]
1639 1639  
1640 1640  
... ... @@ -1641,18 +1641,10 @@
1641 1641  
1642 1642  = 4. Use AT Command =
1643 1643  
1644 -
1645 1645  == 4.1 Access AT Command ==
1646 1646  
1647 -
1648 -(((
1649 1649  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.
1650 -)))
1651 1651  
1652 -(((
1653 -
1654 -)))
1655 -
1656 1656  [[image:1653358238933-385.png]]
1657 1657  
1658 1658  
... ... @@ -1680,7 +1680,7 @@
1680 1680  )))
1681 1681  
1682 1682  (((
1683 -AT+<CMD>=?       :  Get the value
1443 +AT+<CMD>=?       : Get the value
1684 1684  )))
1685 1685  
1686 1686  (((
... ... @@ -1708,11 +1708,11 @@
1708 1708  )))
1709 1709  
1710 1710  (((
1711 -AT+APPSKEY:  Get or Set the Application Session Key
1471 +AT+APPSKEY: Get or Set the Application Session Key
1712 1712  )))
1713 1713  
1714 1714  (((
1715 -AT+APPEUI:  Get or Set the Application EUI
1475 +AT+APPEUI: Get or Set the Application EUI
1716 1716  )))
1717 1717  
1718 1718  (((
... ... @@ -1724,7 +1724,7 @@
1724 1724  )))
1725 1725  
1726 1726  (((
1727 -AT+DR:  Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1487 +AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1728 1728  )))
1729 1729  
1730 1730  (((
... ... @@ -1760,7 +1760,7 @@
1760 1760  )))
1761 1761  
1762 1762  (((
1763 -AT+NJM:  Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1523 +AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1764 1764  )))
1765 1765  
1766 1766  (((
... ... @@ -1804,7 +1804,7 @@
1804 1804  )))
1805 1805  
1806 1806  (((
1807 -AT+VER:  Get current image version and Frequency Band
1567 +AT+VER: Get current image version and Frequency Band
1808 1808  )))
1809 1809  
1810 1810  (((
... ... @@ -1812,7 +1812,7 @@
1812 1812  )))
1813 1813  
1814 1814  (((
1815 -AT+CFS:  Get confirmation status of the last AT+SEND (0-1)
1575 +AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1816 1816  )))
1817 1817  
1818 1818  (((
... ... @@ -1855,48 +1855,45 @@
1855 1855  
1856 1856  == 4.2 Common AT Command Sequence ==
1857 1857  
1858 -
1859 1859  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1860 1860  
1861 1861  (((
1862 1862  
1863 1863  
1864 -(((
1865 -(% style="color:blue" %)**If device has not joined network yet:**
1623 +**If device has not joined network yet:**
1866 1866  )))
1867 -)))
1868 1868  
1869 1869  (((
1870 -(% style="background-color:#dcdcdc" %)**123456**
1627 +(% style="background-color:#dcdcdc" %)123456
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -(% style="background-color:#dcdcdc" %)**AT+FDR**
1631 +(% style="background-color:#dcdcdc" %)AT+FDR
1875 1875  )))
1876 1876  
1877 1877  (((
1878 -(% style="background-color:#dcdcdc" %)**123456**
1635 +(% style="background-color:#dcdcdc" %)123456
1879 1879  )))
1880 1880  
1881 1881  (((
1882 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1639 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1883 1883  )))
1884 1884  
1885 1885  (((
1886 -(% style="background-color:#dcdcdc" %)**ATZ**
1643 +(% style="background-color:#dcdcdc" %)ATZ
1887 1887  )))
1888 1888  
1889 1889  
1890 1890  (((
1891 -(% style="color:blue" %)**If device already joined network:**
1648 +**If device already joined network:**
1892 1892  )))
1893 1893  
1894 1894  (((
1895 -(% style="background-color:#dcdcdc" %)**AT+NJM=0**
1652 +(% style="background-color:#dcdcdc" %)AT+NJM=0
1896 1896  )))
1897 1897  
1898 1898  (((
1899 -(% style="background-color:#dcdcdc" %)**ATZ**
1656 +(% style="background-color:#dcdcdc" %)ATZ
1900 1900  )))
1901 1901  
1902 1902  
... ... @@ -1906,57 +1906,55 @@
1906 1906  (((
1907 1907  
1908 1908  
1909 -(((
1910 -(% style="background-color:#dcdcdc" %)**123456**(%%)  ~/~/ Enter Password to have AT access.
1666 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1911 1911  )))
1912 -)))
1913 1913  
1914 1914  (((
1915 -(% style="background-color:#dcdcdc" %)** AT+FDR**(%%)  ~/~/ Reset Parameters to Factory Default, Keys Reserve
1670 +(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1916 1916  )))
1917 1917  
1918 1918  (((
1919 -(% style="background-color:#dcdcdc" %)** 123456**(%%)  ~/~/ Enter Password to have AT access.
1674 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1920 1920  )))
1921 1921  
1922 1922  (((
1923 -(% style="background-color:#dcdcdc" %)** AT+CLASS=C**(%%)  ~/~/ Set to work in CLASS C
1678 +(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1924 1924  )))
1925 1925  
1926 1926  (((
1927 -(% style="background-color:#dcdcdc" %)** AT+NJM=0**(%%)  ~/~/ Set to ABP mode
1682 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1928 1928  )))
1929 1929  
1930 1930  (((
1931 -(% style="background-color:#dcdcdc" %) **AT+ADR=0**(%%)  ~/~/ Set the Adaptive Data Rate Off
1686 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1932 1932  )))
1933 1933  
1934 1934  (((
1935 -(% style="background-color:#dcdcdc" %)** AT+DR=5**(%%)  ~/~/ Set Data Rate
1690 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1936 1936  )))
1937 1937  
1938 1938  (((
1939 -(% style="background-color:#dcdcdc" %)** AT+TDC=60000**(%%)  ~/~/ Set transmit interval to 60 seconds
1694 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1940 1940  )))
1941 1941  
1942 1942  (((
1943 -(% style="background-color:#dcdcdc" %)** AT+CHS=868400000**(%%)  ~/~/ Set transmit frequency to 868.4Mhz
1698 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1944 1944  )))
1945 1945  
1946 1946  (((
1947 -(% style="background-color:#dcdcdc" %)** AT+RX2FQ=868400000**(%%)  ~/~/ Set RX2Frequency to 868.4Mhz (according to the result from server)
1702 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1948 1948  )))
1949 1949  
1950 1950  (((
1951 -(% style="background-color:#dcdcdc" %)** AT+RX2DR=5**(%%)** ** ~/~/ Set RX2DR to match the downlink DR from server. see below
1706 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1952 1952  )))
1953 1953  
1954 1954  (((
1955 -(% style="background-color:#dcdcdc" %)** AT+DADDR=26 01 1A F1** (%%) ~/~/ Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1710 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1956 1956  )))
1957 1957  
1958 1958  (((
1959 -(% style="background-color:#dcdcdc" %)** ATZ**         (%%) ~/~/ Reset MCU
1714 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1960 1960  
1961 1961  
1962 1962  )))
... ... @@ -1966,16 +1966,10 @@
1966 1966  )))
1967 1967  
1968 1968  (((
1969 -**~1. Make sure the device is set to ABP mode in the IoT Server.**
1970 -
1971 -**2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.**
1972 -
1973 -**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?
1974 -dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1975 -
1976 -**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**
1977 -
1978 -
1724 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1725 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1726 +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.
1727 +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
1979 1979  )))
1980 1980  
1981 1981  (((
... ... @@ -1989,19 +1989,13 @@
1989 1989  
1990 1990  === 4.2.3 Change to Class A ===
1991 1991  
1741 +If sensor JOINED
1742 +(% style="background-color:#dcdcdc" %)AT+CLASS=A
1743 +ATZ
1992 1992  
1993 -(((
1994 -(% style="color:blue" %)If sensor JOINED:
1995 1995  
1996 -(% style="background-color:#dcdcdc" %)**AT+CLASS=A
1997 -ATZ**
1998 -)))
1999 -
2000 -
2001 -
2002 2002  = 5. FAQ =
2003 2003  
2004 -
2005 2005  == 5.1 How to upgrade the image? ==
2006 2006  
2007 2007  
... ... @@ -2018,18 +2018,14 @@
2018 2018  
2019 2019  (((
2020 2020  (% 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]].
2021 -(% 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]].
1764 +(% 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/]].
2022 2022  (% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
2023 2023  
2024 2024  
2025 -(((
2026 2026  (% style="color:blue" %)**For LT-22222-L**(%%):
2027 2027  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.
2028 2028  )))
2029 2029  
2030 -
2031 -)))
2032 -
2033 2033   [[image:image-20220524103407-12.png]]
2034 2034  
2035 2035  [[image:image-20220524103429-13.png]]
... ... @@ -2039,7 +2039,6 @@
2039 2039  
2040 2040  (% 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:
2041 2041  
2042 -
2043 2043  [[image:1653360054704-518.png||height="186" width="745"]]
2044 2044  
2045 2045  
... ... @@ -2048,8 +2048,6 @@
2048 2048  
2049 2049  
2050 2050  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2051 -
2052 -
2053 2053  )))
2054 2054  )))
2055 2055  
... ... @@ -2060,10 +2060,7 @@
2060 2060  (((
2061 2061  
2062 2062  
2063 -
2064 2064  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2065 -
2066 -
2067 2067  )))
2068 2068  
2069 2069  (((
... ... @@ -2076,45 +2076,38 @@
2076 2076  (((
2077 2077  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
2078 2078  
2079 -
2080 2080  
2081 2081  )))
2082 2082  )))
2083 2083  
2084 2084  (((
2085 -(% 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.
2086 -
2087 -
1817 +(% 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.
2088 2088  )))
2089 2089  
2090 2090  (((
2091 2091  [[image:1653360231087-571.png||height="401" width="727"]]
2092 -
2093 -
2094 2094  )))
2095 2095  
2096 2096  (((
2097 -(% 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.**
1825 +(% 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.
2098 2098  )))
2099 2099  
2100 2100  
2101 -
2102 2102  (((
2103 -(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2104 -
2105 -
1830 +(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
2106 2106  )))
2107 2107  
2108 2108  (((
2109 -(% style="background-color:#dcdcdc" %)**123456** (%%) :  Enter Password to have AT access.
2110 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)  :  Reset Parameters to Factory Default, Keys Reserve
2111 -(% style="background-color:#dcdcdc" %)**AT+NJM=0** (%%) :  Set to ABP mode
2112 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) :  Set the Adaptive Data Rate Off
2113 -(% style="background-color:#dcdcdc" %)**AT+DR=5** (%%) :  Set Data Rate (Set AT+DR=3 for 915 band)
2114 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000 **(%%) :  Set transmit interval to 60 seconds
2115 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) : Set transmit frequency to 868.4Mhz
2116 -(% style="background-color:#dcdcdc" %)**AT+DADDR=26 01 1A F1**(%%)  :  Set Device Address to 26 01 1A F1
2117 -(% style="background-color:#dcdcdc" %)**ATZ**        (%%) :  Reset MCU
1834 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1835 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1836 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1837 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1838 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1839 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1840 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1841 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1842 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1843 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
2118 2118  )))
2119 2119  
2120 2120  
... ... @@ -2125,21 +2125,16 @@
2125 2125  [[image:1653360498588-932.png||height="485" width="726"]]
2126 2126  
2127 2127  
2128 -
2129 2129  == 5.4 Can I see counting event in Serial? ==
2130 2130  
2131 -
2132 2132  (((
2133 -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.
1857 +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.
2134 2134  
2135 2135  
2136 -
2137 2137  == 5.5 Can i use point to point communication for LT-22222-L? ==
2138 2138  
1862 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
2139 2139  
2140 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2141 -
2142 -
2143 2143  
2144 2144  )))
2145 2145  
... ... @@ -2146,7 +2146,6 @@
2146 2146  (((
2147 2147  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2148 2148  
2149 -
2150 2150  If the device is not shut down, but directly powered off.
2151 2151  
2152 2152  It will default that this is a power-off state.
... ... @@ -2156,27 +2156,12 @@
2156 2156  After restart, the status before power failure will be read from flash.
2157 2157  
2158 2158  
2159 -
2160 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2161 -
2162 -
2163 -LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2164 -
2165 -
2166 -[[image:image-20221006170630-1.png||height="610" width="945"]]
2167 -
2168 -
2169 -
2170 2170  = 6. Trouble Shooting =
2171 -
2172 -
2173 2173  )))
2174 2174  
2175 2175  (((
2176 2176  (((
2177 2177  == 6.1 Downlink doesn't work, how to solve it? ==
2178 -
2179 -
2180 2180  )))
2181 2181  )))
2182 2182  
... ... @@ -2187,10 +2187,7 @@
2187 2187  (((
2188 2188  
2189 2189  
2190 -
2191 2191  == 6.2 Have trouble to upload image. ==
2192 -
2193 -
2194 2194  )))
2195 2195  
2196 2196  (((
... ... @@ -2200,10 +2200,7 @@
2200 2200  (((
2201 2201  
2202 2202  
2203 -
2204 2204  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2205 -
2206 -
2207 2207  )))
2208 2208  
2209 2209  (((
... ... @@ -2211,7 +2211,6 @@
2211 2211  )))
2212 2212  
2213 2213  
2214 -
2215 2215  = 7. Order Info =
2216 2216  
2217 2217  
... ... @@ -2229,6 +2229,7 @@
2229 2229  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2230 2230  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2231 2231  
1930 +
2232 2232  = 8. Packing Info =
2233 2233  
2234 2234  
... ... @@ -2246,23 +2246,19 @@
2246 2246  * Package Size / pcs : 14.5 x 8 x 5 cm
2247 2247  * Weight / pcs : 170g
2248 2248  
1948 +
2249 2249  = 9. Support =
2250 2250  
2251 -
2252 2252  * (((
2253 2253  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.
2254 2254  )))
2255 2255  * (((
2256 2256  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]]
2257 -
2258 -
2259 -
2260 -
2261 2261  )))
2262 2262  
2263 2263  = 10. Reference​​​​​ =
2264 2264  
2265 -
2266 2266  * 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]]
2267 -* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1961 +* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1962 +* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2268 2268  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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