Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.16 >
edited by Xiaoling
on 2022/06/20 11:48
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.
... ... @@ -912,89 +912,81 @@
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)**
995 995  * **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
996 996  
997 -
998 998  (((
999 999  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
1000 1000  )))
... ... @@ -1018,12 +1018,13 @@
1018 1018  
1019 1019  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1020 1020  
1021 -* (% style="color:#037691" %)**AT Command:**
1022 1022  
1007 +* (% style="color:#037691" %)**AT Command**
1008 +
1023 1023  There is no AT Command to control Digital Output
1024 1024  
1025 1025  
1026 -* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9):**
1012 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xA9)**
1027 1027  
1028 1028  **0xA9 aa bb cc     **~/~/ Set DO1/DO2/DO3 output with time control
1029 1029  
... ... @@ -1084,6 +1084,7 @@
1084 1084  
1085 1085  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1086 1086  
1073 +
1087 1087  * (% style="color:#037691" %)**AT Command:**
1088 1088  
1089 1089  There is no AT Command to control Relay Output
... ... @@ -1113,6 +1113,7 @@
1113 1113  
1114 1114  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1115 1115  
1103 +
1116 1116  * (% style="color:#037691" %)**AT Command:**
1117 1117  
1118 1118  There is no AT Command to control Relay Output
... ... @@ -1136,7 +1136,7 @@
1136 1136  
1137 1137  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1138 1138  
1139 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1140 1140  
1141 1141  
1142 1142  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1146,21 +1146,21 @@
1146 1146  
1147 1147  **Example payload:**
1148 1148  
1149 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1150 1150  
1151 -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.
1152 1152  
1153 1153  **2. 05 01 10 07 D0**
1154 1154  
1155 -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.
1156 1156  
1157 1157  **3. 05 00 01 07 D0**
1158 1158  
1159 -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.
1160 1160  
1161 1161  **4. 05 00 00 07 D0**
1162 1162  
1163 -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.
1164 1164  
1165 1165  
1166 1166  
... ... @@ -1167,11 +1167,12 @@
1167 1167  
1168 1168  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1169 1169  
1158 +
1170 1170  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1171 1171  
1172 1172  * (% style="color:#037691" %)**AT Command:**
1173 1173  
1174 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1175 1175  
1176 1176  
1177 1177  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1183,9 +1183,10 @@
1183 1183  
1184 1184  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1185 1185  
1175 +
1186 1186  * (% style="color:#037691" %)**AT Command:**
1187 1187  
1188 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1178 +**AT+SETCNT=aa,(bb cc dd ee) **
1189 1189  
1190 1190  aa: 1: Set count1,
1191 1191  
... ... @@ -1205,11 +1205,12 @@
1205 1205  
1206 1206  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1207 1207  
1198 +
1208 1208  Clear counting for counting mode
1209 1209  
1210 1210  * (% style="color:#037691" %)**AT Command:**
1211 1211  
1212 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1213 1213  
1214 1214  
1215 1215  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1221,6 +1221,7 @@
1221 1221  
1222 1222  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1223 1223  
1215 +
1224 1224  * (% style="color:#037691" %)**AT Command:**
1225 1225  
1226 1226  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1240,6 +1240,7 @@
1240 1240  
1241 1241  == 3.5 Integrate with Mydevice ==
1242 1242  
1235 +
1243 1243  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:
1244 1244  
1245 1245  (((
... ... @@ -1248,14 +1248,15 @@
1248 1248  
1249 1249  (((
1250 1250  (% 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 +
1251 1251  )))
1252 1252  
1253 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1254 1254  
1255 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1256 1256  
1257 1257  
1258 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1259 1259  
1260 1260  
1261 1261  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1288,8 +1288,10 @@
1288 1288  
1289 1289  == 3.6 Interface Detail ==
1290 1290  
1285 +
1291 1291  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1292 1292  
1288 +
1293 1293  Support NPN Type sensor
1294 1294  
1295 1295  [[image:1653356991268-289.png]]
... ... @@ -1298,6 +1298,7 @@
1298 1298  
1299 1299  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1300 1300  
1297 +
1301 1301  (((
1302 1302  The DI port of LT-22222-L can support NPN or PNP output sensor.
1303 1303  )))
... ... @@ -1304,7 +1304,9 @@
1304 1304  
1305 1305  (((
1306 1306  (((
1307 -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 +
1308 1308  )))
1309 1309  )))
1310 1310  
... ... @@ -1349,6 +1349,8 @@
1349 1349  
1350 1350  (((
1351 1351  
1351 +
1352 +
1352 1352  )))
1353 1353  
1354 1354  (((
... ... @@ -1380,6 +1380,8 @@
1380 1380  
1381 1381  (((
1382 1382  
1384 +
1385 +
1383 1383  )))
1384 1384  
1385 1385  (((
... ... @@ -1413,6 +1413,7 @@
1413 1413  
1414 1414  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1415 1415  
1419 +
1416 1416  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1417 1417  
1418 1418  [[image:1653357531600-905.png]]
... ... @@ -1421,6 +1421,7 @@
1421 1421  
1422 1422  === 3.6.4 Analog Input Interface ===
1423 1423  
1428 +
1424 1424  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:
1425 1425  
1426 1426  
... ... @@ -1452,6 +1452,7 @@
1452 1452  
1453 1453  === 3.6.5 Relay Output ===
1454 1454  
1460 +
1455 1455  (((
1456 1456  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:
1457 1457  )))
... ... @@ -1464,13 +1464,17 @@
1464 1464  
1465 1465  == 3.7 LEDs Indicators ==
1466 1466  
1473 +
1467 1467  [[image:image-20220524100748-11.png]]
1468 1468  
1469 1469  
1477 +
1470 1470  = 4. Use AT Command =
1471 1471  
1480 +
1472 1472  == 4.1 Access AT Command ==
1473 1473  
1483 +
1474 1474  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.
1475 1475  
1476 1476  [[image:1653358238933-385.png]]
... ... @@ -1669,8 +1669,6 @@
1669 1669  
1670 1670  (((
1671 1671  AT+CFG: Print all settings
1672 -
1673 -
1674 1674  )))
1675 1675  
1676 1676  
... ... @@ -1677,6 +1677,7 @@
1677 1677  
1678 1678  == 4.2 Common AT Command Sequence ==
1679 1679  
1688 +
1680 1680  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1681 1681  
1682 1682  (((
... ... @@ -1716,8 +1716,6 @@
1716 1716  
1717 1717  (((
1718 1718  (% style="background-color:#dcdcdc" %)ATZ
1719 -
1720 -
1721 1721  )))
1722 1722  
1723 1723  
... ... @@ -1802,13 +1802,16 @@
1802 1802  
1803 1803  === 4.2.3 Change to Class A ===
1804 1804  
1812 +
1805 1805  If sensor JOINED
1806 1806  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1807 1807  ATZ
1808 1808  
1809 1809  
1818 +
1810 1810  = 5. FAQ =
1811 1811  
1821 +
1812 1812  == 5.1 How to upgrade the image? ==
1813 1813  
1814 1814  
... ... @@ -1830,7 +1830,9 @@
1830 1830  
1831 1831  
1832 1832  (% style="color:blue" %)**For LT-22222-L**(%%):
1833 -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 +
1834 1834  )))
1835 1835  
1836 1836   [[image:image-20220524103407-12.png]]
... ... @@ -1842,6 +1842,7 @@
1842 1842  
1843 1843  (% 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:
1844 1844  
1857 +
1845 1845  [[image:1653360054704-518.png||height="186" width="745"]]
1846 1846  
1847 1847  
... ... @@ -1850,6 +1850,8 @@
1850 1850  
1851 1851  
1852 1852  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1853 1853  )))
1854 1854  )))
1855 1855  
... ... @@ -1860,7 +1860,10 @@
1860 1860  (((
1861 1861  
1862 1862  
1878 +
1863 1863  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1864 1864  )))
1865 1865  
1866 1866  (((
... ... @@ -1878,7 +1878,7 @@
1878 1878  )))
1879 1879  
1880 1880  (((
1881 -(% 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.
1882 1882  )))
1883 1883  
1884 1884  (((
... ... @@ -1886,12 +1886,12 @@
1886 1886  )))
1887 1887  
1888 1888  (((
1889 -(% 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.**
1890 1890  )))
1891 1891  
1892 1892  
1893 1893  (((
1894 -(% 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:
1895 1895  )))
1896 1896  
1897 1897  (((
... ... @@ -1915,20 +1915,28 @@
1915 1915  [[image:1653360498588-932.png||height="485" width="726"]]
1916 1916  
1917 1917  
1936 +
1918 1918  == 5.4 Can I see counting event in Serial? ==
1919 1919  
1939 +
1920 1920  (((
1921 -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.
1922 1922  
1923 1923  
1944 +
1924 1924  == 5.5 Can i use point to point communication for LT-22222-L? ==
1925 1925  
1947 +
1926 1926  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1927 1927  )))
1928 1928  
1929 1929  (((
1930 1930  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1931 1931  
1957 +
1932 1932  If the device is not shut down, but directly powered off.
1933 1933  
1934 1934  It will default that this is a power-off state.
... ... @@ -1937,12 +1937,16 @@
1937 1937  
1938 1938  After restart, the status before power failure will be read from flash.
1939 1939  
1966 +
1967 +
1940 1940  = 6. Trouble Shooting =
1941 1941  )))
1942 1942  
1943 1943  (((
1944 1944  (((
1945 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1946 1946  )))
1947 1947  )))
1948 1948  
... ... @@ -1953,7 +1953,10 @@
1953 1953  (((
1954 1954  
1955 1955  
1986 +
1956 1956  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1957 1957  )))
1958 1958  
1959 1959  (((
... ... @@ -1963,7 +1963,10 @@
1963 1963  (((
1964 1964  
1965 1965  
1966 -== 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 +
1967 1967  )))
1968 1968  
1969 1969  (((
... ... @@ -1977,19 +1977,21 @@
1977 1977  
1978 1978  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1979 1979  
1980 -
1981 1981  (% style="color:#4f81bd" %)**XXX:**
1982 1982  
1983 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1984 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1985 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1986 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1987 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1988 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1989 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1990 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1991 -* (% 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
1992 1992  
2028 +
2029 +
2030 +
1993 1993  = 8. Packing Info =
1994 1994  
1995 1995  
... ... @@ -2007,18 +2007,29 @@
2007 2007  * Package Size / pcs : 14.5 x 8 x 5 cm
2008 2008  * Weight / pcs : 170g
2009 2009  
2048 +
2049 +
2050 +
2010 2010  = 9. Support =
2011 2011  
2053 +
2012 2012  * (((
2013 2013  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.
2014 2014  )))
2015 2015  * (((
2016 2016  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 +
2017 2017  )))
2018 2018  
2019 2019  = 10. Reference​​​​​ =
2020 2020  
2068 +
2021 2021  * 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]]
2022 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2023 -* [[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]]
2024 2024  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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