Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.14 >
edited by Xiaoling
on 2022/06/20 11:47
To version < 90.6 >
edited by Xiaoling
on 2022/08/18 12:00
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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.
... ... @@ -912,93 +912,82 @@
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 -(% class="box infomessage" %)
931 -(((
932 -**AT+ACLIM. **
933 -)))
922 +**AT+ACLIM**
934 934  
935 935  
936 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 01 ):
925 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
937 937  
938 -(% class="box infomessage" %)
939 -(((
940 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
941 -)))
927 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
942 942  
943 943  
944 944  
931 +
945 945  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
946 946  
934 +
947 947  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
948 948  
949 -* (% style="color:#037691" %)AT Command:
937 +* (% style="color:#037691" %)**AT Command**
950 950  
951 -(% class="box infomessage" %)
952 -(((
953 -**AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
954 -)))
939 +**AT+AVLIM  See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
955 955  
956 956  
957 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 00 ):
942 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
958 958  
959 -(% class="box infomessage" %)
960 -(((
961 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **
962 -)))
944 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
963 963  
964 964  
965 965  
948 +
966 966  ==== 3.4.2.11 Trigger – Set minimum interval ====
967 967  
968 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
969 969  
970 -* (% 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.
971 971  
972 -(% class="box infomessage" %)
973 -(((
974 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
975 -)))
954 +* (% style="color:#037691" %)**AT Command**
976 976  
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
977 977  
978 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAC ):
979 979  
980 -(% class="box infomessage" %)
959 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
960 +
961 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
962 +
981 981  (((
982 -**0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
964 +
965 +
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
983 983  )))
984 984  
985 985  
986 986  
971 +
987 987  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
988 988  
989 -* (% style="color:#037691" %)AT Command:
990 990  
975 +* (% style="color:#037691" %)**AT Command**
976 +
991 991  There is no AT Command to control Digital Output
992 992  
993 993  
994 -* (% style="color:#037691" %)Downlink Payload (prefix 0x02):
980 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
981 +* **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
995 995  
996 -(% class="box infomessage" %)
997 997  (((
998 -**0x02 aa bb cc     ~/~/ Set DO1/DO2/DO3 output**
999 -)))
1000 -
1001 -(((
1002 1002  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1003 1003  )))
1004 1004  
... ... @@ -1018,22 +1018,20 @@
1018 1018  
1019 1019  
1020 1020  
1003 +
1021 1021  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1022 1022  
1023 -* (% style="color:#037691" %)AT Command:
1024 1024  
1007 +* (% style="color:#037691" %)**AT Command**
1008 +
1025 1025  There is no AT Command to control Digital Output
1026 1026  
1027 1027  
1028 -* (% style="color:#037691" %)Downlink Payload (prefix 0xA9):
1012 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1029 1029  
1030 -(% class="box infomessage" %)
1031 -(((
1032 -(((
1033 -**0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1034 -)))
1035 -)))
1014 +**0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1036 1036  
1016 +
1037 1037  This is to control the digital output time of DO pin. Include four bytes:
1038 1038  
1039 1039  (% style="color:#4f81bd" %)**First Byte**(%%)**:** Type code (0xA9)
... ... @@ -1087,20 +1087,20 @@
1087 1087  
1088 1088  
1089 1089  
1070 +
1090 1090  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1091 1091  
1092 -* (% style="color:#037691" %)AT Command:
1093 1093  
1074 +* (% style="color:#037691" %)**AT Command:**
1075 +
1094 1094  There is no AT Command to control Relay Output
1095 1095  
1096 1096  
1097 -* (% style="color:#037691" %)Downlink Payload (prefix 0x03):
1079 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x03):**
1098 1098  
1099 -(% class="box infomessage" %)
1100 -(((
1101 -**0x03 aa bb     ~/~/ Set RO1/RO2 output**
1102 -)))
1081 +**0x03 aa bb     **~/~/ Set RO1/RO2 output
1103 1103  
1083 +
1104 1104  (((
1105 1105  If payload = 0x030100, it means set RO1 to close and RO2 to open.
1106 1106  )))
... ... @@ -1117,10 +1117,12 @@
1117 1117  
1118 1118  
1119 1119  
1100 +
1120 1120  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1121 1121  
1122 -* (% style="color:#037691" %)AT Command:
1123 1123  
1104 +* (% style="color:#037691" %)**AT Command:**
1105 +
1124 1124  There is no AT Command to control Relay Output
1125 1125  
1126 1126  
... ... @@ -1142,7 +1142,7 @@
1142 1142  
1143 1143  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1144 1144  
1145 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1146 1146  
1147 1147  
1148 1148  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1152,21 +1152,21 @@
1152 1152  
1153 1153  **Example payload:**
1154 1154  
1155 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1156 1156  
1157 -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.
1158 1158  
1159 1159  **2. 05 01 10 07 D0**
1160 1160  
1161 -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.
1162 1162  
1163 1163  **3. 05 00 01 07 D0**
1164 1164  
1165 -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.
1166 1166  
1167 1167  **4. 05 00 00 07 D0**
1168 1168  
1169 -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.
1170 1170  
1171 1171  
1172 1172  
... ... @@ -1173,11 +1173,12 @@
1173 1173  
1174 1174  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1175 1175  
1158 +
1176 1176  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1177 1177  
1178 1178  * (% style="color:#037691" %)**AT Command:**
1179 1179  
1180 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1181 1181  
1182 1182  
1183 1183  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1189,9 +1189,10 @@
1189 1189  
1190 1190  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1191 1191  
1175 +
1192 1192  * (% style="color:#037691" %)**AT Command:**
1193 1193  
1194 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1178 +**AT+SETCNT=aa,(bb cc dd ee) **
1195 1195  
1196 1196  aa: 1: Set count1,
1197 1197  
... ... @@ -1211,11 +1211,12 @@
1211 1211  
1212 1212  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1213 1213  
1198 +
1214 1214  Clear counting for counting mode
1215 1215  
1216 1216  * (% style="color:#037691" %)**AT Command:**
1217 1217  
1218 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1219 1219  
1220 1220  
1221 1221  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1227,6 +1227,7 @@
1227 1227  
1228 1228  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1229 1229  
1215 +
1230 1230  * (% style="color:#037691" %)**AT Command:**
1231 1231  
1232 1232  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1246,6 +1246,7 @@
1246 1246  
1247 1247  == 3.5 Integrate with Mydevice ==
1248 1248  
1235 +
1249 1249  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:
1250 1250  
1251 1251  (((
... ... @@ -1254,14 +1254,15 @@
1254 1254  
1255 1255  (((
1256 1256  (% 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 +
1257 1257  )))
1258 1258  
1259 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1260 1260  
1261 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1262 1262  
1263 1263  
1264 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1265 1265  
1266 1266  
1267 1267  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1294,8 +1294,10 @@
1294 1294  
1295 1295  == 3.6 Interface Detail ==
1296 1296  
1285 +
1297 1297  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1298 1298  
1288 +
1299 1299  Support NPN Type sensor
1300 1300  
1301 1301  [[image:1653356991268-289.png]]
... ... @@ -1304,6 +1304,7 @@
1304 1304  
1305 1305  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1306 1306  
1297 +
1307 1307  (((
1308 1308  The DI port of LT-22222-L can support NPN or PNP output sensor.
1309 1309  )))
... ... @@ -1310,7 +1310,9 @@
1310 1310  
1311 1311  (((
1312 1312  (((
1313 -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 +
1314 1314  )))
1315 1315  )))
1316 1316  
... ... @@ -1355,6 +1355,8 @@
1355 1355  
1356 1356  (((
1357 1357  
1351 +
1352 +
1358 1358  )))
1359 1359  
1360 1360  (((
... ... @@ -1386,6 +1386,8 @@
1386 1386  
1387 1387  (((
1388 1388  
1384 +
1385 +
1389 1389  )))
1390 1390  
1391 1391  (((
... ... @@ -1419,6 +1419,7 @@
1419 1419  
1420 1420  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1421 1421  
1419 +
1422 1422  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1423 1423  
1424 1424  [[image:1653357531600-905.png]]
... ... @@ -1427,6 +1427,7 @@
1427 1427  
1428 1428  === 3.6.4 Analog Input Interface ===
1429 1429  
1428 +
1430 1430  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:
1431 1431  
1432 1432  
... ... @@ -1458,6 +1458,7 @@
1458 1458  
1459 1459  === 3.6.5 Relay Output ===
1460 1460  
1460 +
1461 1461  (((
1462 1462  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:
1463 1463  )))
... ... @@ -1470,13 +1470,17 @@
1470 1470  
1471 1471  == 3.7 LEDs Indicators ==
1472 1472  
1473 +
1473 1473  [[image:image-20220524100748-11.png]]
1474 1474  
1475 1475  
1477 +
1476 1476  = 4. Use AT Command =
1477 1477  
1480 +
1478 1478  == 4.1 Access AT Command ==
1479 1479  
1483 +
1480 1480  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.
1481 1481  
1482 1482  [[image:1653358238933-385.png]]
... ... @@ -1675,8 +1675,6 @@
1675 1675  
1676 1676  (((
1677 1677  AT+CFG: Print all settings
1678 -
1679 -
1680 1680  )))
1681 1681  
1682 1682  
... ... @@ -1683,6 +1683,7 @@
1683 1683  
1684 1684  == 4.2 Common AT Command Sequence ==
1685 1685  
1688 +
1686 1686  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1687 1687  
1688 1688  (((
... ... @@ -1722,8 +1722,6 @@
1722 1722  
1723 1723  (((
1724 1724  (% style="background-color:#dcdcdc" %)ATZ
1725 -
1726 -
1727 1727  )))
1728 1728  
1729 1729  
... ... @@ -1808,13 +1808,16 @@
1808 1808  
1809 1809  === 4.2.3 Change to Class A ===
1810 1810  
1812 +
1811 1811  If sensor JOINED
1812 1812  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1813 1813  ATZ
1814 1814  
1815 1815  
1818 +
1816 1816  = 5. FAQ =
1817 1817  
1821 +
1818 1818  == 5.1 How to upgrade the image? ==
1819 1819  
1820 1820  
... ... @@ -1836,7 +1836,9 @@
1836 1836  
1837 1837  
1838 1838  (% style="color:blue" %)**For LT-22222-L**(%%):
1839 -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 +
1840 1840  )))
1841 1841  
1842 1842   [[image:image-20220524103407-12.png]]
... ... @@ -1848,6 +1848,7 @@
1848 1848  
1849 1849  (% 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:
1850 1850  
1857 +
1851 1851  [[image:1653360054704-518.png||height="186" width="745"]]
1852 1852  
1853 1853  
... ... @@ -1856,6 +1856,8 @@
1856 1856  
1857 1857  
1858 1858  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1859 1859  )))
1860 1860  )))
1861 1861  
... ... @@ -1866,7 +1866,10 @@
1866 1866  (((
1867 1867  
1868 1868  
1878 +
1869 1869  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1870 1870  )))
1871 1871  
1872 1872  (((
... ... @@ -1884,7 +1884,7 @@
1884 1884  )))
1885 1885  
1886 1886  (((
1887 -(% 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.
1888 1888  )))
1889 1889  
1890 1890  (((
... ... @@ -1892,12 +1892,12 @@
1892 1892  )))
1893 1893  
1894 1894  (((
1895 -(% 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.**
1896 1896  )))
1897 1897  
1898 1898  
1899 1899  (((
1900 -(% 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:
1901 1901  )))
1902 1902  
1903 1903  (((
... ... @@ -1921,20 +1921,28 @@
1921 1921  [[image:1653360498588-932.png||height="485" width="726"]]
1922 1922  
1923 1923  
1936 +
1924 1924  == 5.4 Can I see counting event in Serial? ==
1925 1925  
1939 +
1926 1926  (((
1927 -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.
1928 1928  
1929 1929  
1944 +
1930 1930  == 5.5 Can i use point to point communication for LT-22222-L? ==
1931 1931  
1947 +
1932 1932  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1933 1933  )))
1934 1934  
1935 1935  (((
1936 1936  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1937 1937  
1957 +
1938 1938  If the device is not shut down, but directly powered off.
1939 1939  
1940 1940  It will default that this is a power-off state.
... ... @@ -1943,12 +1943,16 @@
1943 1943  
1944 1944  After restart, the status before power failure will be read from flash.
1945 1945  
1966 +
1967 +
1946 1946  = 6. Trouble Shooting =
1947 1947  )))
1948 1948  
1949 1949  (((
1950 1950  (((
1951 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1952 1952  )))
1953 1953  )))
1954 1954  
... ... @@ -1959,7 +1959,10 @@
1959 1959  (((
1960 1960  
1961 1961  
1986 +
1962 1962  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1963 1963  )))
1964 1964  
1965 1965  (((
... ... @@ -1969,7 +1969,10 @@
1969 1969  (((
1970 1970  
1971 1971  
1972 -== 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 +
1973 1973  )))
1974 1974  
1975 1975  (((
... ... @@ -1983,19 +1983,21 @@
1983 1983  
1984 1984  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1985 1985  
1986 -
1987 1987  (% style="color:#4f81bd" %)**XXX:**
1988 1988  
1989 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1990 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1991 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1992 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1993 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1994 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1995 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1996 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1997 -* (% 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
1998 1998  
2028 +
2029 +
2030 +
1999 1999  = 8. Packing Info =
2000 2000  
2001 2001  
... ... @@ -2013,18 +2013,29 @@
2013 2013  * Package Size / pcs : 14.5 x 8 x 5 cm
2014 2014  * Weight / pcs : 170g
2015 2015  
2048 +
2049 +
2050 +
2016 2016  = 9. Support =
2017 2017  
2053 +
2018 2018  * (((
2019 2019  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.
2020 2020  )))
2021 2021  * (((
2022 2022  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 +
2023 2023  )))
2024 2024  
2025 2025  = 10. Reference​​​​​ =
2026 2026  
2068 +
2027 2027  * 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]]
2028 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2029 -* [[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]]
2030 2030  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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