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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 68.18
edited by Xiaoling
on 2022/05/25 15:23
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To version 77.113
edited by Xiaoling
on 2022/06/10 09:37
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -11,12 +11,15 @@
11 11  
12 12  
13 13  
14 +
15 +
16 +
14 14  = 1.Introduction =
15 15  
16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
19 -The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
22 +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.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
30 +The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -48,6 +48,8 @@
48 48  == 1.2  Specifications ==
49 49  
50 50  (((
54 +
55 +
51 51  **Hardware System:**
52 52  )))
53 53  
... ... @@ -71,6 +71,8 @@
71 71  )))
72 72  
73 73  (((
79 +
80 +
74 74  **Interface for Model: LT22222-L:**
75 75  )))
76 76  
... ... @@ -94,6 +94,8 @@
94 94  )))
95 95  
96 96  (((
104 +
105 +
97 97  **LoRa Spec:**
98 98  )))
99 99  
... ... @@ -153,10 +153,10 @@
153 153  )))
154 154  * (((
155 155  Packet engine up to 256 bytes with CRC.
156 -
157 -
158 158  )))
159 159  
167 +
168 +
160 160  == 1.3 Features ==
161 161  
162 162  * LoRaWAN Class A & Class C protocol
... ... @@ -168,6 +168,7 @@
168 168  * Counting
169 169  
170 170  
180 +
171 171  == 1.4  Applications ==
172 172  
173 173  * Smart Buildings & Home Automation
... ... @@ -178,6 +178,7 @@
178 178  * Smart Factory
179 179  
180 180  
191 +
181 181  == 1.5 Hardware Variants ==
182 182  
183 183  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -192,7 +192,6 @@
192 192  )))
193 193  
194 194  
195 -
196 196  = 2. Power ON Device =
197 197  
198 198  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.
... ... @@ -204,6 +204,7 @@
204 204  [[image:1653297104069-180.png]]
205 205  
206 206  
217 +
207 207  = 3. Operation Mode =
208 208  
209 209  == 3.1 How it works? ==
... ... @@ -214,10 +214,9 @@
214 214  
215 215  (((
216 216  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.
217 -
218 -
219 219  )))
220 220  
230 +
221 221  == 3.2 Example to join LoRaWAN network ==
222 222  
223 223  (((
... ... @@ -226,12 +226,13 @@
226 226  
227 227  [[image:image-20220523172350-1.png||height="266" width="864"]]
228 228  
239 +
229 229  (((
230 230  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:
231 231  )))
232 232  
233 233  (((
234 -**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
245 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
235 235  )))
236 236  
237 237  (((
... ... @@ -240,6 +240,7 @@
240 240  
241 241  [[image:1653297924498-393.png]]
242 242  
254 +
243 243  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
244 244  
245 245  Add APP EUI in the application.
... ... @@ -253,12 +253,13 @@
253 253  
254 254  
255 255  (((
256 -**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.
268 +(% 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.
257 257  )))
258 258  
259 259  [[image:1653298044601-602.png||height="405" width="709"]]
260 260  
261 261  
274 +
262 262  == 3.3 Uplink Payload ==
263 263  
264 264  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -278,6 +278,8 @@
278 278  [[image:image-20220523174024-3.png]]
279 279  
280 280  (((
294 +
295 +
281 281  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
282 282  )))
283 283  
... ... @@ -291,6 +291,7 @@
291 291  
292 292  For example if payload is: [[image:image-20220523175847-2.png]]
293 293  
309 +
294 294  **The value for the interface is:  **
295 295  
296 296  AVI1 channel voltage is 0x04AB/1000=1195（DEC）/1000=1.195V
... ... @@ -321,8 +321,10 @@
321 321  ** DO1 is high in case there is load between DO1 and V+.
322 322  ** DO1 LED is off in both case
323 323  
340 +
324 324  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
325 325  
343 +
326 326  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
327 327  
328 328  (((
... ... @@ -331,6 +331,7 @@
331 331  
332 332  [[image:image-20220523180452-3.png]]
333 333  
352 +
334 334  (((
335 335  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
336 336  )))
... ... @@ -346,6 +346,8 @@
346 346  )))
347 347  
348 348  (((
368 +
369 +
349 349  **To use counting mode, please run:**
350 350  )))
351 351  
... ... @@ -364,6 +364,8 @@
364 364  )))
365 365  
366 366  (((
388 +
389 +
367 367  (% style="color:#4f81bd" %)**AT Commands for counting:**
368 368  )))
369 369  
... ... @@ -413,6 +413,8 @@
413 413  )))
414 414  )))
415 415  
439 +
440 +
416 416  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417 417  
418 418  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -453,10 +453,14 @@
453 453  
454 454  (((
455 455  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
481 +
482 +
456 456  )))
457 457  
485 +
458 458  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
459 459  
488 +
460 460  **LT22222-L**: This mode the DI1 is used as a counting pin.
461 461  
462 462  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.
... ... @@ -463,6 +463,7 @@
463 463  
464 464  [[image:image-20220523181903-8.png]]
465 465  
495 +
466 466  (((
467 467  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
468 468  )))
... ... @@ -478,6 +478,8 @@
478 478  )))
479 479  
480 480  (((
511 +
512 +
481 481  **To use this mode, please run:**
482 482  )))
483 483  
... ... @@ -504,6 +504,8 @@
504 504  )))
505 505  
506 506  (((
539 +
540 +
507 507  **Plus below command for AVI1 Counting:**
508 508  )))
509 509  
... ... @@ -535,13 +535,18 @@
535 535  )))
536 536  )))
537 537  
572 +
573 +
538 538  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
539 539  
576 +
540 540  **LT22222-L**: This mode the DI1 is used as a counting pin.
541 541  
542 542  [[image:image-20220523182334-9.png]]
543 543  
544 544  (((
582 +
583 +
545 545  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
546 546  )))
547 547  
... ... @@ -556,6 +556,8 @@
556 556  )))
557 557  
558 558  (((
598 +
599 +
559 559  **To use this mode, please run:**
560 560  )))
561 561  
... ... @@ -577,8 +577,11 @@
577 577  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
578 578  )))
579 579  
621 +
622 +
580 580  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
581 581  
625 +
582 582  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
583 583  
584 584  For example, if user has configured below commands:
... ... @@ -603,6 +603,8 @@
603 603  
604 604  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
605 605  
650 +
651 +
606 606  (% style="color:#4f81bd" %)**Trigger base on current**:
607 607  
608 608  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -611,6 +611,8 @@
611 611  
612 612  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
613 613  
660 +
661 +
614 614  (% style="color:#4f81bd" %)**Trigger base on DI status**:
615 615  
616 616  DI status trigger Flag.
... ... @@ -617,12 +617,13 @@
617 617  
618 618  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
619 619  
668 +
620 620  **Example:**
621 621  
622 622  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
623 623  
624 624  
625 -**Downlink Command to set Trigger Condition**
674 +**Downlink Command to set Trigger Condition:**
626 626  
627 627  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
628 628  
... ... @@ -640,14 +640,18 @@
640 640  
641 641   Yy4 yy4: AC2 or AV2 high limit.
642 642  
692 +
643 643  **Example1**: AA 00 13 88 00 00 00 00 00 00
644 644  
645 645  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
646 646  
697 +
647 647  **Example2**: AA 02 01 00
648 648  
649 649  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
650 650  
702 +
703 +
651 651  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
652 652  
653 653  MOD6 Payload : total 11 bytes payload
... ... @@ -654,6 +654,7 @@
654 654  
655 655  [[image:image-20220524085923-1.png]]
656 656  
710 +
657 657  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
658 658  
659 659  [[image:image-20220524090106-2.png]]
... ... @@ -697,12 +697,20 @@
697 697  
698 698  When device got this command, it will send the MOD6 payload.
699 699  
754 +
755 +
700 700  === 3.3.7 Payload Decoder ===
701 701  
702 702  (((
759 +
760 +
703 703  **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/]]
762 +
763 +
704 704  )))
705 705  
766 +
767 +
706 706  == 3.4 ​Configure LT via AT or Downlink ==
707 707  
708 708  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -711,7 +711,7 @@
711 711  There are two kinds of Commands:
712 712  )))
713 713  
714 -* (% 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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
776 +* (% 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]]
715 715  
716 716  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
717 717  
... ... @@ -719,6 +719,8 @@
719 719  
720 720  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]]
721 721  
784 +
785 +
722 722  === 3.4.2 Sensor related commands ===
723 723  
724 724  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -734,6 +734,7 @@
734 734  
735 735  **Example: **AT+TDC=30000. Means set interval to 30 seconds
736 736  
801 +
737 737  * Downlink Payload (prefix 0x01):
738 738  
739 739  (% class="box infomessage" %)
... ... @@ -741,6 +741,8 @@
741 741  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
742 742  )))
743 743  
809 +
810 +
744 744  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
745 745  
746 746  Set work mode.
... ... @@ -754,6 +754,7 @@
754 754  
755 755  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
756 756  
824 +
757 757  * Downlink Payload (prefix 0x0A):
758 758  
759 759  (% class="box infomessage" %)
... ... @@ -761,6 +761,8 @@
761 761  **0x0A aa     ~/~/ Same as AT+MOD=aa**
762 762  )))
763 763  
832 +
833 +
764 764  ==== 3.4.2.3 Poll an uplink ====
765 765  
766 766  * AT Command:
... ... @@ -767,6 +767,7 @@
767 767  
768 768  There is no AT Command to poll uplink
769 769  
840 +
770 770  * Downlink Payload (prefix 0x08):
771 771  
772 772  (% class="box infomessage" %)
... ... @@ -776,9 +776,11 @@
776 776  
777 777  **Example**: 0x08FF, ask device to send an Uplink
778 778  
850 +
851 +
779 779  ==== 3.4.2.4 Enable Trigger Mode ====
780 780  
781 -Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
854 +Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
782 782  
783 783  * AT Command:
784 784  
... ... @@ -791,6 +791,7 @@
791 791  
792 792  0: Disable Trigger Mode
793 793  
867 +
794 794  * Downlink Payload (prefix 0x0A 06):
795 795  
796 796  (% class="box infomessage" %)
... ... @@ -798,6 +798,8 @@
798 798  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
799 799  )))
800 800  
875 +
876 +
801 801  ==== 3.4.2.5 Poll trigger settings ====
802 802  
803 803  Poll trigger settings,
... ... @@ -806,6 +806,7 @@
806 806  
807 807  There is no AT Command for this feature.
808 808  
885 +
809 809  * Downlink Payload (prefix 0x AB 06):
810 810  
811 811  (% class="box infomessage" %)
... ... @@ -813,6 +813,8 @@
813 813  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
814 814  )))
815 815  
893 +
894 +
816 816  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
817 817  
818 818  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -824,6 +824,7 @@
824 824  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
825 825  )))
826 826  
906 +
827 827  **Example:**
828 828  
829 829  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -835,6 +835,8 @@
835 835  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
836 836  )))
837 837  
918 +
919 +
838 838  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
839 839  
840 840  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -850,10 +850,12 @@
850 850  
851 851  b : delay timing.
852 852  
935 +
853 853  **Example:**
854 854  
855 855  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
856 856  
940 +
857 857  * Downlink Payload (prefix 0x09 01 ):
858 858  
859 859  (% class="box infomessage" %)
... ... @@ -861,6 +861,8 @@
861 861  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
862 862  )))
863 863  
948 +
949 +
864 864  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
865 865  
866 866  Set DI2 trigger.
... ... @@ -876,10 +876,12 @@
876 876  
877 877  b : delay timing.
878 878  
965 +
879 879  **Example:**
880 880  
881 881  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
882 882  
970 +
883 883  * Downlink Payload (prefix 0x09 02 ):
884 884  
885 885  (% class="box infomessage" %)
... ... @@ -887,9 +887,11 @@
887 887  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
888 888  )))
889 889  
978 +
979 +
890 890  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
891 891  
892 -Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
982 +Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
893 893  
894 894  * AT Command:
895 895  
... ... @@ -898,31 +898,37 @@
898 898  **AT+ACLIM. **
899 899  )))
900 900  
991 +
901 901  * Downlink Payload (prefix 0xAA 01 ):
902 902  
903 903  (% class="box infomessage" %)
904 904  (((
905 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
996 +**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
906 906  )))
907 907  
999 +
1000 +
908 908  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
909 909  
910 -Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
1003 +Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
911 911  
912 912  * AT Command:
913 913  
914 914  (% class="box infomessage" %)
915 915  (((
916 -**AT+AVLIM. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
1009 +**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
917 917  )))
918 918  
1012 +
919 919  * Downlink Payload (prefix 0xAA 00 ):
920 920  
921 921  (% class="box infomessage" %)
922 922  (((
923 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
1017 +**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
924 924  )))
925 925  
1020 +
1021 +
926 926  ==== 3.4.2.11 Trigger – Set minimum interval ====
927 927  
928 928  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -934,6 +934,7 @@
934 934  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
935 935  )))
936 936  
1033 +
937 937  * Downlink Payload (prefix 0xAC ):
938 938  
939 939  (% class="box infomessage" %)
... ... @@ -941,6 +941,8 @@
941 941  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
942 942  )))
943 943  
1041 +
1042 +
944 944  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
945 945  
946 946  * AT Command:
... ... @@ -947,6 +947,7 @@
947 947  
948 948  There is no AT Command to control Digital Output
949 949  
1049 +
950 950  * Downlink Payload (prefix 0x02):
951 951  
952 952  (% class="box infomessage" %)
... ... @@ -973,6 +973,7 @@
973 973  )))
974 974  
975 975  
1076 +
976 976  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
977 977  
978 978  * AT Command:
... ... @@ -979,6 +979,7 @@
979 979  
980 980  There is no AT Command to control Digital Output
981 981  
1083 +
982 982  * Downlink Payload (prefix 0xA9):
983 983  
984 984  (% class="box infomessage" %)
... ... @@ -998,18 +998,22 @@
998 998  
999 999  00: DO pins will change to an inverter state after timeout 
1000 1000  
1103 +
1001 1001  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1002 1002  
1003 1003  [[image:image-20220524093238-6.png]]
1004 1004  
1108 +
1005 1005  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1006 1006  
1007 1007  [[image:image-20220524093328-7.png]]
1008 1008  
1113 +
1009 1009  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1010 1010  
1011 1011  [[image:image-20220524093351-8.png]]
1012 1012  
1118 +
1013 1013  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1014 1014  
1015 1015   Latching time. Unit: ms
... ... @@ -1016,6 +1016,7 @@
1016 1016  
1017 1017  Device will upload a packet if downlink code executes successfully.
1018 1018  
1125 +
1019 1019  **Example payload:**
1020 1020  
1021 1021  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1035,12 +1035,14 @@
1035 1035  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1036 1036  
1037 1037  
1038 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1039 1039  
1146 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1147 +
1040 1040  * AT Command:
1041 1041  
1042 1042  There is no AT Command to control Relay Output
1043 1043  
1152 +
1044 1044  * Downlink Payload (prefix 0x03):
1045 1045  
1046 1046  (% class="box infomessage" %)
... ... @@ -1063,6 +1063,7 @@
1063 1063  Device will upload a packet if downlink code executes successfully.
1064 1064  
1065 1065  
1175 +
1066 1066  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1067 1067  
1068 1068  * AT Command:
... ... @@ -1069,6 +1069,7 @@
1069 1069  
1070 1070  There is no AT Command to control Relay Output
1071 1071  
1182 +
1072 1072  * Downlink Payload (prefix 0x05):
1073 1073  
1074 1074  (% class="box infomessage" %)
... ... @@ -1086,14 +1086,17 @@
1086 1086  
1087 1087  00: Relays will change to an inverter state after timeout
1088 1088  
1200 +
1089 1089  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1090 1090  
1091 1091  [[image:image-20220524093831-10.png]]
1092 1092  
1205 +
1093 1093  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1094 1094  
1095 1095  Device will upload a packet if downlink code executes successfully.
1096 1096  
1210 +
1097 1097  **Example payload:**
1098 1098  
1099 1099  **~1. 05 01 11 07 D0**
... ... @@ -1113,17 +1113,19 @@
1113 1113  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1114 1114  
1115 1115  
1230 +
1116 1116  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1117 1117  
1118 -When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]
1233 +When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1119 1119  
1120 1120  * AT Command:
1121 1121  
1122 1122  (% class="box infomessage" %)
1123 1123  (((
1124 -**AT+VOLMAX    ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]**
1239 +**AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1125 1125  )))
1126 1126  
1242 +
1127 1127  * Downlink Payload (prefix 0xA5):
1128 1128  
1129 1129  (% class="box infomessage" %)
... ... @@ -1131,6 +1131,8 @@
1131 1131  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1132 1132  )))
1133 1133  
1250 +
1251 +
1134 1134  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1135 1135  
1136 1136  * AT Command:
... ... @@ -1148,6 +1148,7 @@
1148 1148  
1149 1149  Bb cc dd ee: number to be set
1150 1150  
1269 +
1151 1151  * Downlink Payload (prefix 0xA8):
1152 1152  
1153 1153  (% class="box infomessage" %)
... ... @@ -1155,6 +1155,8 @@
1155 1155  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1156 1156  )))
1157 1157  
1277 +
1278 +
1158 1158  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1159 1159  
1160 1160  Clear counting for counting mode
... ... @@ -1173,6 +1173,8 @@
1173 1173  **0x A6 01     ~/~/ clear all counting,**
1174 1174  )))
1175 1175  
1297 +
1298 +
1176 1176  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1177 1177  
1178 1178  * AT Command:
... ... @@ -1191,18 +1191,21 @@
1191 1191  
1192 1192  (((
1193 1193  range: aa bb cc:0 to 16777215,  (unit:second)
1317 +
1318 +
1194 1194  )))
1195 1195  
1321 +
1196 1196  == 3.5 Integrate with Mydevice ==
1197 1197  
1198 1198  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:
1199 1199  
1200 1200  (((
1201 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1327 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1202 1202  )))
1203 1203  
1204 1204  (((
1205 -**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:
1331 +(% 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:
1206 1206  )))
1207 1207  
1208 1208  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1209,28 +1209,38 @@
1209 1209  
1210 1210  [[image:image-20220524094641-11.png||height="390" width="723"]]
1211 1211  
1338 +
1212 1212  [[image:image-20220524094641-12.png||height="402" width="718"]]
1213 1213  
1214 -**Step 3**: Create an account or log in Mydevices.
1215 1215  
1216 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1342 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1217 1217  
1344 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1345 +
1218 1218  Search under The things network
1219 1219  
1220 1220  [[image:1653356838789-523.png||height="337" width="740"]]
1221 1221  
1350 +
1351 +
1222 1222  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1223 1223  
1224 1224  [[image:image-20220524094909-1.png||height="335" width="729"]]
1225 1225  
1356 +
1226 1226  [[image:image-20220524094909-2.png||height="337" width="729"]]
1227 1227  
1359 +
1228 1228  [[image:image-20220524094909-3.png||height="338" width="727"]]
1229 1229  
1362 +
1230 1230  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1231 1231  
1365 +
1232 1232  [[image:image-20220524094909-5.png||height="341" width="734"]]
1233 1233  
1368 +
1369 +
1234 1234  == 3.6 Interface Detail ==
1235 1235  
1236 1236  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1239,6 +1239,8 @@
1239 1239  
1240 1240  [[image:1653356991268-289.png]]
1241 1241  
1378 +
1379 +
1242 1242  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1243 1243  
1244 1244  (((
... ... @@ -1254,51 +1254,106 @@
1254 1254  [[image:1653357170703-587.png]]
1255 1255  
1256 1256  (((
1395 +(((
1257 1257  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1258 1258  )))
1398 +)))
1259 1259  
1400 +(((
1401 +
1402 +)))
1260 1260  
1261 -**Example1**: Connect to a Low active sensor.
1404 +(((
1405 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1406 +)))
1262 1262  
1408 +(((
1263 1263  This type of sensor will output a low signal GND when active.
1410 +)))
1264 1264  
1265 -* Connect sensor’s output to DI1-
1266 -* Connect sensor’s VCC to DI1+.
1412 +* (((
1413 +Connect sensor’s output to DI1-
1414 +)))
1415 +* (((
1416 +Connect sensor’s VCC to DI1+.
1417 +)))
1267 1267  
1268 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1419 +(((
1420 +So when sensor active, the current between NEC2501 pin1 and pin2 is：
1421 +)))
1269 1269  
1270 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1423 +(((
1424 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1425 +)))
1271 1271  
1272 -If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1427 +(((
1428 +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.
1429 +)))
1273 1273  
1431 +(((
1432 +
1433 +)))
1274 1274  
1275 -**Example2**: Connect to a High active sensor.
1435 +(((
1436 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1437 +)))
1276 1276  
1439 +(((
1277 1277  This type of sensor will output a high signal (example 24v) when active.
1441 +)))
1278 1278  
1279 -* Connect sensor’s output to DI1+
1280 -* Connect sensor’s GND DI1-.
1443 +* (((
1444 +Connect sensor’s output to DI1+
1445 +)))
1446 +* (((
1447 +Connect sensor’s GND DI1-.
1448 +)))
1281 1281  
1450 +(((
1282 1282  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1452 +)))
1283 1283  
1284 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1454 +(((
1455 +[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1456 +)))
1285 1285  
1286 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1458 +(((
1459 +If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1460 +)))
1287 1287  
1462 +(((
1463 +
1464 +)))
1288 1288  
1289 -**Example3**: Connect to a 220v high active sensor.
1466 +(((
1467 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1468 +)))
1290 1290  
1470 +(((
1291 1291  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1472 +)))
1292 1292  
1293 -* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 -* Connect sensor’s GND DI1-.
1474 +* (((
1475 +Connect sensor’s output to DI1+ with a serial 50K resistor
1476 +)))
1477 +* (((
1478 +Connect sensor’s GND DI1-.
1479 +)))
1295 1295  
1481 +(((
1296 1296  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1483 +)))
1297 1297  
1298 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1485 +(((
1486 + [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1487 +)))
1299 1299  
1300 -If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1489 +(((
1490 +If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1491 +)))
1301 1301  
1493 +
1494 +
1302 1302  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1303 1303  
1304 1304  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1305,12 +1305,15 @@
1305 1305  
1306 1306  [[image:1653357531600-905.png]]
1307 1307  
1501 +
1502 +
1308 1308  === 3.6.4 Analog Input Interface ===
1309 1309  
1310 1310  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:
1311 1311  
1312 -**AC2 = (IN2 voltage )/12**
1313 1313  
1508 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1509 +
1314 1314  [[image:1653357592296-182.png]]
1315 1315  
1316 1316  Example to connect a 4~~20mA sensor
... ... @@ -1317,21 +1317,24 @@
1317 1317  
1318 1318  We take the wind speed sensor as an example for reference only.
1319 1319  
1320 -Specifications of the wind speed sensor:
1321 1321  
1322 -Red:12~~24v
1517 +**Specifications of the wind speed sensor:**
1323 1323  
1324 -Yellow:4~~20mA
1519 +Red:  12~~24v
1325 1325  
1326 -Black:GND
1521 +Yellow:  4~~20mA
1327 1327  
1523 +Black:  GND
1328 1328  
1329 -Connection diagram:
1330 1330  
1526 +**Connection diagram:**
1527 +
1331 1331  [[image:1653357640609-758.png]]
1332 1332  
1333 1333  [[image:1653357648330-671.png||height="155" width="733"]]
1334 1334  
1532 +
1533 +
1335 1335  === 3.6.5 Relay Output ===
1336 1336  
1337 1337  (((
... ... @@ -1342,10 +1342,13 @@
1342 1342  
1343 1343  [[image:image-20220524100215-10.png||height="382" width="723"]]
1344 1344  
1544 +
1545 +
1345 1345  == 3.7 LEDs Indicators ==
1346 1346  
1347 1347  [[image:image-20220524100748-11.png]]
1348 1348  
1550 +
1349 1349  = 4. Use AT Command =
1350 1350  
1351 1351  == 4.1 Access AT Command ==
... ... @@ -1354,6 +1354,7 @@
1354 1354  
1355 1355  [[image:1653358238933-385.png]]
1356 1356  
1559 +
1357 1357  (((
1358 1358  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1359 1359  )))
... ... @@ -1360,6 +1360,7 @@
1360 1360  
1361 1361  [[image:1653358355238-883.png]]
1362 1362  
1566 +
1363 1363  (((
1364 1364  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1365 1365  )))
... ... @@ -1546,14 +1546,20 @@
1546 1546  
1547 1547  (((
1548 1548  AT+CFG: Print all settings
1753 +
1754 +
1549 1549  )))
1550 1550  
1757 +
1758 +
1551 1551  == 4.2 Common AT Command Sequence ==
1552 1552  
1553 1553  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1554 1554  
1555 1555  (((
1556 -If device has not joined network yet:
1764 +
1765 +
1766 +**If device has not joined network yet:**
1557 1557  )))
1558 1558  
1559 1559  (((
... ... @@ -1578,7 +1578,7 @@
1578 1578  
1579 1579  
1580 1580  (((
1581 -If device already joined network:
1791 +**If device already joined network:**
1582 1582  )))
1583 1583  
1584 1584  (((
... ... @@ -1587,12 +1587,18 @@
1587 1587  
1588 1588  (((
1589 1589  (% style="background-color:#dcdcdc" %)ATZ
1800 +
1801 +
1590 1590  )))
1591 1591  
1804 +
1805 +
1592 1592  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1593 1593  
1594 1594  (((
1595 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1809 +
1810 +
1811 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1596 1596  )))
1597 1597  
1598 1598  (((
... ... @@ -1600,7 +1600,7 @@
1600 1600  )))
1601 1601  
1602 1602  (((
1603 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1819 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1604 1604  )))
1605 1605  
1606 1606  (((
... ... @@ -1608,39 +1608,41 @@
1608 1608  )))
1609 1609  
1610 1610  (((
1611 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1827 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1612 1612  )))
1613 1613  
1614 1614  (((
1615 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1831 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1616 1616  )))
1617 1617  
1618 1618  (((
1619 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1835 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1620 1620  )))
1621 1621  
1622 1622  (((
1623 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1839 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1624 1624  )))
1625 1625  
1626 1626  (((
1627 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1843 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1628 1628  )))
1629 1629  
1630 1630  (((
1631 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1847 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1632 1632  )))
1633 1633  
1634 1634  (((
1635 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1851 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1636 1636  )))
1637 1637  
1638 1638  (((
1639 -(% 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.
1855 +(% 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.
1640 1640  )))
1641 1641  
1642 1642  (((
1643 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1859 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1860 +
1861 +
1644 1644  )))
1645 1645  
1646 1646  (((
... ... @@ -1662,6 +1662,7 @@
1662 1662  
1663 1663  )))
1664 1664  
1883 +
1665 1665  === 4.2.3 Change to Class A ===
1666 1666  
1667 1667  If sensor JOINED
... ... @@ -1668,23 +1668,30 @@
1668 1668  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1669 1669  ATZ
1670 1670  
1890 +
1671 1671  = 5. FAQ =
1672 1672  
1673 1673  == 5.1 How to upgrade the image? ==
1674 1674  
1895 +
1675 1675  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1676 1676  
1677 1677  * Support new features
1678 1678  * For bug fix
1679 1679  * Change LoRaWAN bands.
1901 +
1680 1680  Below shows the hardware connection for how to upload an image to the LT:
1681 -* [[image:1653359603330-121.png]]
1682 1682  
1904 +[[image:1653359603330-121.png]]
1905 +
1906 +
1683 1683  (((
1684 -**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]].
1685 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1686 -**Step3: **Open flashloader; choose the correct COM port to update.
1687 -**For LT-22222-L**:
1908 +(% 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]].
1909 +(% 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/]].
1910 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1911 +
1912 +
1913 +(% style="color:blue" %)**For LT-22222-L**(%%):
1688 1688  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.
1689 1689  )))
1690 1690  
... ... @@ -1694,12 +1694,16 @@
1694 1694  
1695 1695  [[image:image-20220524104033-15.png]]
1696 1696  
1923 +
1697 1697  (% 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:
1698 1698  
1699 1699  [[image:1653360054704-518.png||height="186" width="745"]]
1700 1700  
1928 +
1701 1701  (((
1702 1702  (((
1931 +
1932 +
1703 1703  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1704 1704  )))
1705 1705  )))
... ... @@ -1709,6 +1709,8 @@
1709 1709  )))
1710 1710  
1711 1711  (((
1942 +
1943 +
1712 1712  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1713 1713  )))
1714 1714  
... ... @@ -1721,6 +1721,8 @@
1721 1721  (((
1722 1722  (((
1723 1723  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1956 +
1957 +
1724 1724  )))
1725 1725  )))
1726 1726  
... ... @@ -1736,23 +1736,25 @@
1736 1736  (% 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.
1737 1737  )))
1738 1738  
1973 +
1739 1739  (((
1740 1740  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1741 1741  )))
1742 1742  
1743 1743  (((
1744 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1745 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1746 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1747 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1748 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1749 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1750 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1751 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1752 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1753 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1979 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1980 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1981 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1982 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1983 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1984 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1985 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1986 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1987 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1988 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1754 1754  )))
1755 1755  
1991 +
1756 1756  (((
1757 1757  As shown in below:
1758 1758  )))
... ... @@ -1759,189 +1759,103 @@
1759 1759  
1760 1760  [[image:1653360498588-932.png||height="485" width="726"]]
1761 1761  
1998 +
1762 1762  == 5.4 Can I see counting event in Serial? ==
1763 1763  
1764 1764  (((
1765 1765  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.
1766 -)))
1767 1767  
1768 -(((
1769 -= 6. Trouble Shooting =
1770 -)))
1771 1771  
1772 -(((
1773 -(((
1774 -== 6.1 Downlink doesn’t work, how to solve it? ==
2005 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2006 +
2007 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1775 1775  )))
1776 -)))
1777 1777  
1778 1778  (((
1779 -Please see this link for how to debug:
1780 -
1781 -[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1782 -
1783 1783  
1784 -)))
1785 1785  
1786 -(((
1787 -== 6.2 Have trouble to upload image. ==
2013 += 6. Trouble Shooting =
1788 1788  )))
1789 1789  
1790 1790  (((
1791 -See this link for trouble shooting:
1792 -
1793 -[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1794 -)))
1795 -
1796 1796  (((
1797 -
2018 +== 6.1 Downlink doesn’t work, how to solve it? ==
1798 1798  )))
1799 -
1800 -(((
1801 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1802 1802  )))
1803 1803  
1804 1804  (((
1805 -It might be about the channels mapping. Please see this link for detail:
1806 -
1807 -[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
2023 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1808 1808  )))
1809 1809  
1810 1810  (((
1811 1811  
1812 -)))
1813 1813  
1814 -(((
1815 -= 7. Order Info =
2029 +== 6.2 Have trouble to upload image. ==
1816 1816  )))
1817 1817  
1818 1818  (((
1819 -(((
1820 -(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2033 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1821 1821  )))
1822 -)))
1823 1823  
1824 1824  (((
1825 -(((
1826 -(% style="color:#4f81bd" %)**XXX:**
1827 -)))
1828 -)))
2037 +
1829 1829  
1830 -(((
1831 -* (((
1832 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2039 +== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1833 1833  )))
1834 -)))
1835 1835  
1836 1836  (((
1837 -* (((
1838 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2043 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1839 1839  )))
1840 -)))
1841 1841  
1842 -(((
1843 -* (((
1844 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1845 -)))
1846 -)))
1847 1847  
1848 -(((
1849 -* (((
1850 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1851 -)))
1852 -)))
1853 1853  
1854 -(((
1855 -* (((
1856 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1857 -)))
1858 -)))
2048 += 7. Order Info =
1859 1859  
1860 -(((
1861 -* (((
1862 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1863 -)))
1864 -)))
1865 1865  
1866 -(((
1867 -* (((
1868 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1869 -)))
1870 -)))
2051 +(% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1871 1871  
1872 -(((
1873 -* (((
1874 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1875 -)))
1876 -)))
1877 1877  
1878 -(((
1879 -* (((
1880 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1881 -)))
2054 +(% style="color:#4f81bd" %)**XXX:**
1882 1882  
2056 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2057 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2058 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2059 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2060 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2061 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2062 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2063 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2064 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2065 +
1883 1883  = 8. Packing Info =
1884 -)))
1885 1885  
1886 -(((
1887 -(((
2068 +
1888 1888  **Package Includes**:
1889 -)))
1890 -)))
1891 1891  
1892 -(((
1893 -(((
1894 1894  * LT-22222-L I/O Controller x 1
1895 1895  * Stick Antenna for LoRa RF part x 1
1896 1896  * Bracket for controller x1
1897 1897  * Program cable x 1
1898 -)))
1899 -)))
1900 1900  
1901 -(((
1902 -(((
1903 1903  **Dimension and weight**:
1904 -)))
1905 -)))
1906 1906  
1907 -(((
1908 -(((
1909 1909  * Device Size: 13.5 x 7 x 3 cm
1910 1910  * Device Weight: 105g
1911 1911  * Package Size / pcs : 14.5 x 8 x 5 cm
1912 1912  * Weight / pcs : 170g
1913 -)))
1914 -)))
1915 1915  
1916 -(((
1917 1917  = 9. Support =
1918 -)))
1919 1919  
1920 1920  * (((
1921 -(((
1922 1922  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.
1923 1923  )))
1924 -)))
1925 1925  * (((
1926 -(((
1927 -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
2089 +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]]
1928 1928  )))
1929 -)))
1930 1930  
1931 -(((
1932 -(((
1933 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1934 -)))
1935 -
1936 -(((
1937 1937  = 10. Reference​​​​​ =
1938 1938  
1939 -* Product Page:
1940 -
1941 -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]]
1942 -
2094 +* 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]]
1943 1943  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1944 1944  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1945 1945  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
1946 -)))
1947 -)))
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