Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.17 >
edited by Xiaoling
on 2022/06/20 11:51
To version < 90.7 >
edited by Xiaoling
on 2022/08/18 13:38
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Summary

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Content
... ... @@ -1,7 +1,6 @@
1 1  (% style="text-align:center" %)
2 2  [[image:image-20220523163353-1.jpeg||height="604" width="500"]]
3 3  
4 -**LT-22222-L LoRa IO Controller User Manual **
5 5  
6 6  
7 7  **Table of Contents:**
... ... @@ -42,6 +42,8 @@
42 42  
43 43  (((
44 44  2) User can set up a LoRaWAN gateway locally and configure the controller to connect to the gateway via wireless.
44 +
45 +
45 45  )))
46 46  
47 47  (((
... ... @@ -173,6 +173,7 @@
173 173  
174 174  == 1.3 Features ==
175 175  
177 +
176 176  * LoRaWAN Class A & Class C protocol
177 177  * Optional Customized LoRa Protocol
178 178  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865
... ... @@ -185,6 +185,7 @@
185 185  
186 186  == 1.4  Applications ==
187 187  
190 +
188 188  * Smart Buildings & Home Automation
189 189  * Logistics and Supply Chain Management
190 190  * Smart Metering
... ... @@ -196,6 +196,7 @@
196 196  
197 197  == 1.5 Hardware Variants ==
198 198  
202 +
199 199  (% border="1" style="background-color:#f7faff; width:500px" %)
200 200  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
201 201  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -210,6 +210,7 @@
210 210  
211 211  = 2. Power ON Device =
212 212  
217 +
213 213  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.
214 214  
215 215  (((
... ... @@ -224,19 +224,24 @@
224 224  
225 225  == 3.1 How it works? ==
226 226  
232 +
227 227  (((
228 -The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 
234 +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. 
229 229  )))
230 230  
231 231  (((
232 -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.
238 +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.
233 233  )))
234 234  
235 235  
242 +
236 236  == 3.2 Example to join LoRaWAN network ==
237 237  
245 +
238 238  (((
239 239  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. 
248 +
249 +
240 240  )))
241 241  
242 242  [[image:image-20220523172350-1.png||height="266" width="864"]]
... ... @@ -244,6 +244,8 @@
244 244  
245 245  (((
246 246  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:
257 +
258 +
247 247  )))
248 248  
249 249  (((
... ... @@ -269,6 +269,7 @@
269 269  [[image:1653298023685-319.png]]
270 270  
271 271  
284 +
272 272  (((
273 273  (% 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.
274 274  )))
... ... @@ -279,19 +279,21 @@
279 279  
280 280  == 3.3 Uplink Payload ==
281 281  
295 +
282 282  There are five working modes + one interrupt mode on LT for different type application:
283 283  
284 -* **MOD1**: (default setting): 2 x ACI + 2AVI + DI + DO + RO
285 -* **MOD2**: Double DI Counting + DO + RO
286 -* **MOD3**: Single DI Counting + 2 x ACI + DO + RO
287 -* **MOD4**: Single DI Counting + 1 x Voltage Counting + DO + RO
288 -* **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
289 -* **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
298 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
299 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
300 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
301 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
302 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
303 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290 290  
291 291  
292 292  
293 293  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
294 294  
309 +
295 295  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
296 296  
297 297  [[image:image-20220523174024-3.png]]
... ... @@ -394,34 +394,33 @@
394 394  
395 395  (((
396 396  **For LT22222-L:**
397 -)))
398 398  
399 -(% class="box infomessage" %)
400 -(((
401 -(((
402 -**AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) **
403 403  
404 -**AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) **
414 +(% style="color:blue" %)**AT+TRIG1=0,100**(%%)**  (set DI1 port to trigger on low level, valid signal is 100ms) **
405 405  
406 -**AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) **
416 +(% style="color:blue" %)**AT+TRIG1=1,100**(%%)**  (set DI1 port to trigger on high level, valid signal is 100ms ) **
407 407  
408 -**AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) **
418 +(% style="color:blue" %)**AT+TRIG2=0,100**(%%)**  (set DI2 port to trigger on low level, valid signal is 100ms) **
409 409  
410 -**AT+SETCNT=1,60   (Set COUNT1 value to 60)**
420 +(% style="color:blue" %)**AT+TRIG2=1,100**(%%)**  (set DI2 port to trigger on high level, valid signal is 100ms ) **
411 411  
412 -**AT+SETCNT=2,60   (Set COUNT2 value to 60)**
422 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
423 +
424 +(% style="color:blue" %)**AT+SETCNT=2,60**(%%)**   (Set COUNT2 value to 60)**
413 413  )))
414 -)))
415 415  
416 416  
417 417  
418 418  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
419 419  
431 +
420 420  **LT22222-L**: This mode the DI1 is used as a counting pin.
421 421  
422 422  [[image:image-20220523181246-5.png]]
423 423  
424 424  (((
437 +
438 +
425 425  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
426 426  )))
427 427  
... ... @@ -435,6 +435,7 @@
435 435  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
436 436  )))
437 437  
452 +
438 438  (((
439 439  **To use counting mode, please run:**
440 440  )))
... ... @@ -503,22 +503,19 @@
503 503  
504 504  
505 505  **Plus below command for AVI1 Counting:**
506 -)))
507 507  
508 -(% class="box infomessage" %)
509 -(((
510 -(((
511 -(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**   (set AVI Count to 60)**
512 512  
513 -(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
523 +(% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
514 514  
515 -(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
525 +(% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
516 516  
517 -(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
527 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
528 +
529 +(% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
518 518  )))
519 -)))
520 520  
521 521  
533 +
522 522  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
523 523  
524 524  
... ... @@ -570,8 +570,8 @@
570 570  
571 571  For example, if user has configured below commands:
572 572  
573 -* **AT+MOD=1 ** **~-~->** The normal working mode
574 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
585 +* **AT+MOD=1 ** **~-~->**  The normal working mode
586 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
575 575  
576 576  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
577 577  
... ... @@ -580,6 +580,7 @@
580 580  
581 581  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
582 582  
595 +
583 583  (% style="color:#4f81bd" %)**Trigger base on voltage**:
584 584  
585 585  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -701,14 +701,14 @@
701 701  (((
702 702  
703 703  
704 -**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/]]
705 -
706 -
717 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
707 707  )))
708 708  
709 709  
721 +
710 710  == 3.4 ​Configure LT via AT or Downlink ==
711 711  
724 +
712 712  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
713 713  
714 714  (((
... ... @@ -721,8 +721,10 @@
721 721  
722 722  
723 723  
737 +
724 724  === 3.4.1 Common Commands ===
725 725  
740 +
726 726  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]]
727 727  
728 728  
... ... @@ -729,80 +729,72 @@
729 729  
730 730  === 3.4.2 Sensor related commands ===
731 731  
747 +
732 732  ==== 3.4.2.1 Set Transmit Interval ====
733 733  
750 +
734 734  Set device uplink interval.
735 735  
736 736  * (% style="color:#037691" %)**AT Command:**
737 737  
738 -(% class="box infomessage" %)
739 -(((
740 740  **AT+TDC=N **
741 -)))
742 742  
757 +
743 743  **Example: **AT+TDC=30000. Means set interval to 30 seconds
744 744  
745 745  
746 746  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
747 747  
748 -(% class="box infomessage" %)
749 -(((
750 750  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
751 -)))
752 752  
753 753  
754 754  
767 +
755 755  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
756 756  
770 +
757 757  Set work mode.
758 758  
759 759  * (% style="color:#037691" %)**AT Command:**
760 760  
761 -(% class="box infomessage" %)
762 -(((
763 763  **AT+MOD=N  **
764 -)))
765 765  
777 +
766 766  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
767 767  
768 768  
769 769  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
770 770  
771 -(% class="box infomessage" %)
772 -(((
773 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
774 -)))
783 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
775 775  
776 776  
777 777  
787 +
778 778  ==== 3.4.2.3 Poll an uplink ====
779 779  
780 -* (% style="color:#037691" %)AT Command:
781 781  
791 +* (% style="color:#037691" %)**AT Command:**
792 +
782 782  There is no AT Command to poll uplink
783 783  
784 784  
785 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
796 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 -**0x08 FF     ~/~/ Poll an uplink,**
790 -)))
798 +**0x08 FF     **~/~/ Poll an uplink
791 791  
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 794  
795 795  
804 +
796 796  ==== 3.4.2.4 Enable Trigger Mode ====
797 797  
807 +
798 798  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
799 799  
800 -* (% style="color:#037691" %)AT Command:
810 +* (% style="color:#037691" %)**AT Command:**
801 801  
802 -(% class="box infomessage" %)
803 -(((
804 804  **AT+ADDMOD6=1 or 0**
805 -)))
806 806  
807 807  1: Enable Trigger Mode
808 808  
... ... @@ -809,43 +809,38 @@
809 809  0: Disable Trigger Mode
810 810  
811 811  
812 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
819 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
813 813  
814 -(% class="box infomessage" %)
815 -(((
816 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
817 -)))
821 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
818 818  
819 819  
820 820  
825 +
821 821  ==== 3.4.2.5 Poll trigger settings ====
822 822  
828 +
823 823  Poll trigger settings,
824 824  
825 -* (% style="color:#037691" %)AT Command:
831 +* (% style="color:#037691" %)**AT Command:**
826 826  
827 827  There is no AT Command for this feature.
828 828  
829 829  
830 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
836 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
831 831  
832 -(% class="box infomessage" %)
833 -(((
834 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
835 -)))
838 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
836 836  
837 837  
838 838  
842 +
839 839  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
840 840  
845 +
841 841  Enable Disable DI1/DI2/DI2 as trigger,
842 842  
843 -* (% style="color:#037691" %)AT Command:
848 +* (% style="color:#037691" %)**AT Command:**
844 844  
845 -(% class="box infomessage" %)
846 -(((
847 847  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
848 -)))
849 849  
850 850  
851 851  **Example:**
... ... @@ -852,25 +852,21 @@
852 852  
853 853  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
854 854  
855 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
857 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
856 856  
857 -(% class="box infomessage" %)
858 -(((
859 -**0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
860 -)))
859 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
861 861  
862 862  
863 863  
863 +
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
866 +
866 866  Set DI1 or DI3(for LT-33222-L) trigger.
867 867  
868 -* (% style="color:#037691" %)AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
869 869  
870 -(% class="box infomessage" %)
871 -(((
872 872  **AT+TRIG1=a,b**
873 -)))
874 874  
875 875  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
876 876  
... ... @@ -882,26 +882,21 @@
882 882  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
883 883  
884 884  
885 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 01 ):
883 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
884 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
886 886  
887 -(% class="box infomessage" %)
888 -(((
889 -**0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
890 -)))
891 891  
892 892  
893 -
894 894  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
895 895  
890 +
896 896  Set DI2 trigger.
897 897  
898 -* (% style="color:#037691" %)AT Command:
893 +* (% style="color:#037691" %)**AT Command:**
899 899  
900 -(% class="box infomessage" %)
901 -(((
902 902  **AT+TRIG2=a,b**
903 -)))
904 904  
897 +
905 905  a : Interrupt mode. 0: falling edge; 1: rising edge, 2: falling and raising edge(for MOD=1).
906 906  
907 907  b : delay timing.
... ... @@ -912,27 +912,26 @@
912 912  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
913 913  
914 914  
915 -* (% style="color:#037691" %)Downlink Payload (prefix 0x09 02 ):
908 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
916 916  
917 -(% class="box infomessage" %)
918 -(((
919 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
920 -)))
910 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
921 921  
922 922  
923 923  
914 +
924 924  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
925 925  
917 +
926 926  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
927 927  
928 -* (% style="color:#037691" %)AT Command:
920 +* (% style="color:#037691" %)**AT Command**
929 929  
930 930  **AT+ACLIM**
931 931  
932 932  
933 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
925 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
934 934  
935 -**0x AA 01 aa bb cc dd ee ff gg hh  ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
927 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
936 936  
937 937  
938 938  
... ... @@ -939,16 +939,17 @@
939 939  
940 940  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
941 941  
934 +
942 942  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
943 943  
944 -* (% style="color:#037691" %)**AT Command:**
937 +* (% style="color:#037691" %)**AT Command**
945 945  
946 946  **AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
947 947  
948 948  
949 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 ):**
942 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
950 950  
951 -**0x AA 00 aa bb cc dd ee ff gg hh  ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
944 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
952 952  
953 953  
954 954  
... ... @@ -955,31 +955,38 @@
955 955  
956 956  ==== 3.4.2.11 Trigger – Set minimum interval ====
957 957  
958 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
959 959  
960 -* (% style="color:#037691" %)**AT Command:**
952 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
961 961  
962 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
954 +* (% style="color:#037691" %)**AT Command**
963 963  
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
964 964  
965 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC ):**
966 966  
967 -**0x AC aa bb  ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
959 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
968 968  
961 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
969 969  
963 +(((
964 +
970 970  
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
967 +)))
971 971  
969 +
970 +
971 +
972 972  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
973 973  
974 -* (% style="color:#037691" %)**AT Command:**
975 975  
975 +* (% style="color:#037691" %)**AT Command**
976 +
976 976  There is no AT Command to control Digital Output
977 977  
978 978  
979 -* (% style="color:#037691" %)**Downlink Payload (prefix 0x02):**
980 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
980 980  * **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
981 981  
982 -
983 983  (((
984 984  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
985 985  )))
... ... @@ -1003,12 +1003,13 @@
1003 1003  
1004 1004  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1005 1005  
1006 -* (% style="color:#037691" %)**AT Command:**
1007 1007  
1007 +* (% style="color:#037691" %)**AT Command**
1008 +
1008 1008  There is no AT Command to control Digital Output
1009 1009  
1010 1010  
1011 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9):**
1012 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1012 1012  
1013 1013  **0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1014 1014  
... ... @@ -1069,6 +1069,7 @@
1069 1069  
1070 1070  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1071 1071  
1073 +
1072 1072  * (% style="color:#037691" %)**AT Command:**
1073 1073  
1074 1074  There is no AT Command to control Relay Output
... ... @@ -1098,6 +1098,7 @@
1098 1098  
1099 1099  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1100 1100  
1103 +
1101 1101  * (% style="color:#037691" %)**AT Command:**
1102 1102  
1103 1103  There is no AT Command to control Relay Output
... ... @@ -1121,7 +1121,7 @@
1121 1121  
1122 1122  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1123 1123  
1124 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1125 1125  
1126 1126  
1127 1127  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1131,21 +1131,21 @@
1131 1131  
1132 1132  **Example payload:**
1133 1133  
1134 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1135 1135  
1136 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1139 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1137 1137  
1138 1138  **2. 05 01 10 07 D0**
1139 1139  
1140 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1143 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1141 1141  
1142 1142  **3. 05 00 01 07 D0**
1143 1143  
1144 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1147 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1145 1145  
1146 1146  **4. 05 00 00 07 D0**
1147 1147  
1148 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1151 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1149 1149  
1150 1150  
1151 1151  
... ... @@ -1152,11 +1152,12 @@
1152 1152  
1153 1153  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1154 1154  
1158 +
1155 1155  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1156 1156  
1157 1157  * (% style="color:#037691" %)**AT Command:**
1158 1158  
1159 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1160 1160  
1161 1161  
1162 1162  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1168,9 +1168,10 @@
1168 1168  
1169 1169  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1170 1170  
1175 +
1171 1171  * (% style="color:#037691" %)**AT Command:**
1172 1172  
1173 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1178 +**AT+SETCNT=aa,(bb cc dd ee) **
1174 1174  
1175 1175  aa: 1: Set count1,
1176 1176  
... ... @@ -1190,11 +1190,12 @@
1190 1190  
1191 1191  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1192 1192  
1198 +
1193 1193  Clear counting for counting mode
1194 1194  
1195 1195  * (% style="color:#037691" %)**AT Command:**
1196 1196  
1197 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1198 1198  
1199 1199  
1200 1200  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1206,6 +1206,7 @@
1206 1206  
1207 1207  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1208 1208  
1215 +
1209 1209  * (% style="color:#037691" %)**AT Command:**
1210 1210  
1211 1211  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1225,6 +1225,7 @@
1225 1225  
1226 1226  == 3.5 Integrate with Mydevice ==
1227 1227  
1235 +
1228 1228  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:
1229 1229  
1230 1230  (((
... ... @@ -1233,14 +1233,15 @@
1233 1233  
1234 1234  (((
1235 1235  (% 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:
1244 +
1245 +
1236 1236  )))
1237 1237  
1238 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1239 1239  
1240 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1241 1241  
1242 1242  
1243 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1244 1244  
1245 1245  
1246 1246  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1273,8 +1273,10 @@
1273 1273  
1274 1274  == 3.6 Interface Detail ==
1275 1275  
1285 +
1276 1276  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1277 1277  
1288 +
1278 1278  Support NPN Type sensor
1279 1279  
1280 1280  [[image:1653356991268-289.png]]
... ... @@ -1283,6 +1283,7 @@
1283 1283  
1284 1284  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1285 1285  
1297 +
1286 1286  (((
1287 1287  The DI port of LT-22222-L can support NPN or PNP output sensor.
1288 1288  )))
... ... @@ -1289,7 +1289,9 @@
1289 1289  
1290 1290  (((
1291 1291  (((
1292 -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
1304 +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.
1305 +
1306 +
1293 1293  )))
1294 1294  )))
1295 1295  
... ... @@ -1334,6 +1334,8 @@
1334 1334  
1335 1335  (((
1336 1336  
1351 +
1352 +
1337 1337  )))
1338 1338  
1339 1339  (((
... ... @@ -1365,6 +1365,8 @@
1365 1365  
1366 1366  (((
1367 1367  
1384 +
1385 +
1368 1368  )))
1369 1369  
1370 1370  (((
... ... @@ -1398,6 +1398,7 @@
1398 1398  
1399 1399  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1400 1400  
1419 +
1401 1401  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1402 1402  
1403 1403  [[image:1653357531600-905.png]]
... ... @@ -1406,6 +1406,7 @@
1406 1406  
1407 1407  === 3.6.4 Analog Input Interface ===
1408 1408  
1428 +
1409 1409  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:
1410 1410  
1411 1411  
... ... @@ -1437,6 +1437,7 @@
1437 1437  
1438 1438  === 3.6.5 Relay Output ===
1439 1439  
1460 +
1440 1440  (((
1441 1441  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:
1442 1442  )))
... ... @@ -1449,13 +1449,17 @@
1449 1449  
1450 1450  == 3.7 LEDs Indicators ==
1451 1451  
1473 +
1452 1452  [[image:image-20220524100748-11.png]]
1453 1453  
1454 1454  
1477 +
1455 1455  = 4. Use AT Command =
1456 1456  
1480 +
1457 1457  == 4.1 Access AT Command ==
1458 1458  
1483 +
1459 1459  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.
1460 1460  
1461 1461  [[image:1653358238933-385.png]]
... ... @@ -1654,8 +1654,6 @@
1654 1654  
1655 1655  (((
1656 1656  AT+CFG: Print all settings
1657 -
1658 -
1659 1659  )))
1660 1660  
1661 1661  
... ... @@ -1662,6 +1662,7 @@
1662 1662  
1663 1663  == 4.2 Common AT Command Sequence ==
1664 1664  
1688 +
1665 1665  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1666 1666  
1667 1667  (((
... ... @@ -1701,8 +1701,6 @@
1701 1701  
1702 1702  (((
1703 1703  (% style="background-color:#dcdcdc" %)ATZ
1704 -
1705 -
1706 1706  )))
1707 1707  
1708 1708  
... ... @@ -1787,13 +1787,16 @@
1787 1787  
1788 1788  === 4.2.3 Change to Class A ===
1789 1789  
1812 +
1790 1790  If sensor JOINED
1791 1791  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1792 1792  ATZ
1793 1793  
1794 1794  
1818 +
1795 1795  = 5. FAQ =
1796 1796  
1821 +
1797 1797  == 5.1 How to upgrade the image? ==
1798 1798  
1799 1799  
... ... @@ -1815,7 +1815,9 @@
1815 1815  
1816 1816  
1817 1817  (% style="color:blue" %)**For LT-22222-L**(%%):
1818 -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.
1843 +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.
1844 +
1845 +
1819 1819  )))
1820 1820  
1821 1821   [[image:image-20220524103407-12.png]]
... ... @@ -1827,6 +1827,7 @@
1827 1827  
1828 1828  (% 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:
1829 1829  
1857 +
1830 1830  [[image:1653360054704-518.png||height="186" width="745"]]
1831 1831  
1832 1832  
... ... @@ -1835,6 +1835,8 @@
1835 1835  
1836 1836  
1837 1837  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1838 1838  )))
1839 1839  )))
1840 1840  
... ... @@ -1845,7 +1845,10 @@
1845 1845  (((
1846 1846  
1847 1847  
1878 +
1848 1848  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1849 1849  )))
1850 1850  
1851 1851  (((
... ... @@ -1863,7 +1863,7 @@
1863 1863  )))
1864 1864  
1865 1865  (((
1866 -(% 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.
1899 +(% 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.
1867 1867  )))
1868 1868  
1869 1869  (((
... ... @@ -1871,12 +1871,12 @@
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -(% 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.
1907 +(% 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.**
1875 1875  )))
1876 1876  
1877 1877  
1878 1878  (((
1879 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1912 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1880 1880  )))
1881 1881  
1882 1882  (((
... ... @@ -1900,20 +1900,28 @@
1900 1900  [[image:1653360498588-932.png||height="485" width="726"]]
1901 1901  
1902 1902  
1936 +
1903 1903  == 5.4 Can I see counting event in Serial? ==
1904 1904  
1939 +
1905 1905  (((
1906 -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.
1941 +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.
1907 1907  
1908 1908  
1944 +
1909 1909  == 5.5 Can i use point to point communication for LT-22222-L? ==
1910 1910  
1947 +
1911 1911  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1912 1912  )))
1913 1913  
1914 1914  (((
1915 1915  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1916 1916  
1957 +
1917 1917  If the device is not shut down, but directly powered off.
1918 1918  
1919 1919  It will default that this is a power-off state.
... ... @@ -1922,12 +1922,16 @@
1922 1922  
1923 1923  After restart, the status before power failure will be read from flash.
1924 1924  
1966 +
1967 +
1925 1925  = 6. Trouble Shooting =
1926 1926  )))
1927 1927  
1928 1928  (((
1929 1929  (((
1930 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1931 1931  )))
1932 1932  )))
1933 1933  
... ... @@ -1938,7 +1938,10 @@
1938 1938  (((
1939 1939  
1940 1940  
1986 +
1941 1941  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1942 1942  )))
1943 1943  
1944 1944  (((
... ... @@ -1948,7 +1948,10 @@
1948 1948  (((
1949 1949  
1950 1950  
1951 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1999 +
2000 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2001 +
2002 +
1952 1952  )))
1953 1953  
1954 1954  (((
... ... @@ -1962,19 +1962,21 @@
1962 1962  
1963 1963  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1964 1964  
1965 -
1966 1966  (% style="color:#4f81bd" %)**XXX:**
1967 1967  
1968 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1969 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1970 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1971 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1972 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1973 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1974 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1975 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1976 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2018 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2019 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2020 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2021 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2022 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2023 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2024 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2025 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2026 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1977 1977  
2028 +
2029 +
2030 +
1978 1978  = 8. Packing Info =
1979 1979  
1980 1980  
... ... @@ -1992,18 +1992,29 @@
1992 1992  * Package Size / pcs : 14.5 x 8 x 5 cm
1993 1993  * Weight / pcs : 170g
1994 1994  
2048 +
2049 +
2050 +
1995 1995  = 9. Support =
1996 1996  
2053 +
1997 1997  * (((
1998 1998  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.
1999 1999  )))
2000 2000  * (((
2001 2001  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]]
2059 +
2060 +
2061 +
2062 +
2063 +
2002 2002  )))
2003 2003  
2004 2004  = 10. Reference​​​​​ =
2005 2005  
2068 +
2006 2006  * 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]]
2007 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2008 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2070 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2009 2009  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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