Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.18 >
edited by Xiaoling
on 2022/06/20 11:52
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  
... ... @@ -882,17 +882,14 @@
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  
898 898  * (% style="color:#037691" %)**AT Command:**
... ... @@ -912,7 +912,7 @@
912 912  
913 913  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
914 914  
915 -**0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
910 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
916 916  
917 917  
918 918  
... ... @@ -919,6 +919,7 @@
919 919  
920 920  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
921 921  
917 +
922 922  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
923 923  
924 924  * (% style="color:#037691" %)**AT Command**
... ... @@ -928,7 +928,7 @@
928 928  
929 929  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
930 930  
931 -**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"]]
932 932  
933 933  
934 934  
... ... @@ -935,6 +935,7 @@
935 935  
936 936  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
937 937  
934 +
938 938  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
939 939  
940 940  * (% style="color:#037691" %)**AT Command**
... ... @@ -944,7 +944,7 @@
944 944  
945 945  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
946 946  
947 -**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"]]
948 948  
949 949  
950 950  
... ... @@ -951,22 +951,30 @@
951 951  
952 952  ==== 3.4.2.11 Trigger – Set minimum interval ====
953 953  
954 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
955 955  
952 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
953 +
956 956  * (% style="color:#037691" %)**AT Command**
957 957  
958 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
956 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
959 959  
960 960  
961 961  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
962 962  
963 -**0x AC aa bb  ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
961 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
964 964  
963 +(((
964 +
965 965  
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
967 +)))
966 966  
967 967  
970 +
971 +
968 968  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
969 969  
974 +
970 970  * (% style="color:#037691" %)**AT Command**
971 971  
972 972  There is no AT Command to control Digital Output
... ... @@ -975,7 +975,6 @@
975 975  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
976 976  * **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
977 977  
978 -
979 979  (((
980 980  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
981 981  )))
... ... @@ -999,6 +999,7 @@
999 999  
1000 1000  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1001 1001  
1006 +
1002 1002  * (% style="color:#037691" %)**AT Command**
1003 1003  
1004 1004  There is no AT Command to control Digital Output
... ... @@ -1065,6 +1065,7 @@
1065 1065  
1066 1066  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1067 1067  
1073 +
1068 1068  * (% style="color:#037691" %)**AT Command:**
1069 1069  
1070 1070  There is no AT Command to control Relay Output
... ... @@ -1094,6 +1094,7 @@
1094 1094  
1095 1095  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1096 1096  
1103 +
1097 1097  * (% style="color:#037691" %)**AT Command:**
1098 1098  
1099 1099  There is no AT Command to control Relay Output
... ... @@ -1117,7 +1117,7 @@
1117 1117  
1118 1118  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1119 1119  
1120 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1121 1121  
1122 1122  
1123 1123  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1127,21 +1127,21 @@
1127 1127  
1128 1128  **Example payload:**
1129 1129  
1130 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1131 1131  
1132 -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.
1133 1133  
1134 1134  **2. 05 01 10 07 D0**
1135 1135  
1136 -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.
1137 1137  
1138 1138  **3. 05 00 01 07 D0**
1139 1139  
1140 -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.
1141 1141  
1142 1142  **4. 05 00 00 07 D0**
1143 1143  
1144 -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.
1145 1145  
1146 1146  
1147 1147  
... ... @@ -1148,11 +1148,12 @@
1148 1148  
1149 1149  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1150 1150  
1158 +
1151 1151  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1152 1152  
1153 1153  * (% style="color:#037691" %)**AT Command:**
1154 1154  
1155 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1156 1156  
1157 1157  
1158 1158  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1164,9 +1164,10 @@
1164 1164  
1165 1165  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1166 1166  
1175 +
1167 1167  * (% style="color:#037691" %)**AT Command:**
1168 1168  
1169 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1178 +**AT+SETCNT=aa,(bb cc dd ee) **
1170 1170  
1171 1171  aa: 1: Set count1,
1172 1172  
... ... @@ -1186,11 +1186,12 @@
1186 1186  
1187 1187  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1188 1188  
1198 +
1189 1189  Clear counting for counting mode
1190 1190  
1191 1191  * (% style="color:#037691" %)**AT Command:**
1192 1192  
1193 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1194 1194  
1195 1195  
1196 1196  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1202,6 +1202,7 @@
1202 1202  
1203 1203  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1204 1204  
1215 +
1205 1205  * (% style="color:#037691" %)**AT Command:**
1206 1206  
1207 1207  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1221,6 +1221,7 @@
1221 1221  
1222 1222  == 3.5 Integrate with Mydevice ==
1223 1223  
1235 +
1224 1224  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:
1225 1225  
1226 1226  (((
... ... @@ -1229,14 +1229,15 @@
1229 1229  
1230 1230  (((
1231 1231  (% 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 +
1232 1232  )))
1233 1233  
1234 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1235 1235  
1236 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1237 1237  
1238 1238  
1239 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1240 1240  
1241 1241  
1242 1242  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1269,8 +1269,10 @@
1269 1269  
1270 1270  == 3.6 Interface Detail ==
1271 1271  
1285 +
1272 1272  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1273 1273  
1288 +
1274 1274  Support NPN Type sensor
1275 1275  
1276 1276  [[image:1653356991268-289.png]]
... ... @@ -1279,6 +1279,7 @@
1279 1279  
1280 1280  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1281 1281  
1297 +
1282 1282  (((
1283 1283  The DI port of LT-22222-L can support NPN or PNP output sensor.
1284 1284  )))
... ... @@ -1285,7 +1285,9 @@
1285 1285  
1286 1286  (((
1287 1287  (((
1288 -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 +
1289 1289  )))
1290 1290  )))
1291 1291  
... ... @@ -1330,6 +1330,8 @@
1330 1330  
1331 1331  (((
1332 1332  
1351 +
1352 +
1333 1333  )))
1334 1334  
1335 1335  (((
... ... @@ -1361,6 +1361,8 @@
1361 1361  
1362 1362  (((
1363 1363  
1384 +
1385 +
1364 1364  )))
1365 1365  
1366 1366  (((
... ... @@ -1394,6 +1394,7 @@
1394 1394  
1395 1395  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1396 1396  
1419 +
1397 1397  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1398 1398  
1399 1399  [[image:1653357531600-905.png]]
... ... @@ -1402,6 +1402,7 @@
1402 1402  
1403 1403  === 3.6.4 Analog Input Interface ===
1404 1404  
1428 +
1405 1405  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:
1406 1406  
1407 1407  
... ... @@ -1433,6 +1433,7 @@
1433 1433  
1434 1434  === 3.6.5 Relay Output ===
1435 1435  
1460 +
1436 1436  (((
1437 1437  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:
1438 1438  )))
... ... @@ -1445,13 +1445,17 @@
1445 1445  
1446 1446  == 3.7 LEDs Indicators ==
1447 1447  
1473 +
1448 1448  [[image:image-20220524100748-11.png]]
1449 1449  
1450 1450  
1477 +
1451 1451  = 4. Use AT Command =
1452 1452  
1480 +
1453 1453  == 4.1 Access AT Command ==
1454 1454  
1483 +
1455 1455  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.
1456 1456  
1457 1457  [[image:1653358238933-385.png]]
... ... @@ -1650,8 +1650,6 @@
1650 1650  
1651 1651  (((
1652 1652  AT+CFG: Print all settings
1653 -
1654 -
1655 1655  )))
1656 1656  
1657 1657  
... ... @@ -1658,6 +1658,7 @@
1658 1658  
1659 1659  == 4.2 Common AT Command Sequence ==
1660 1660  
1688 +
1661 1661  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1662 1662  
1663 1663  (((
... ... @@ -1697,8 +1697,6 @@
1697 1697  
1698 1698  (((
1699 1699  (% style="background-color:#dcdcdc" %)ATZ
1700 -
1701 -
1702 1702  )))
1703 1703  
1704 1704  
... ... @@ -1783,13 +1783,16 @@
1783 1783  
1784 1784  === 4.2.3 Change to Class A ===
1785 1785  
1812 +
1786 1786  If sensor JOINED
1787 1787  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1788 1788  ATZ
1789 1789  
1790 1790  
1818 +
1791 1791  = 5. FAQ =
1792 1792  
1821 +
1793 1793  == 5.1 How to upgrade the image? ==
1794 1794  
1795 1795  
... ... @@ -1811,7 +1811,9 @@
1811 1811  
1812 1812  
1813 1813  (% style="color:blue" %)**For LT-22222-L**(%%):
1814 -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 +
1815 1815  )))
1816 1816  
1817 1817   [[image:image-20220524103407-12.png]]
... ... @@ -1823,6 +1823,7 @@
1823 1823  
1824 1824  (% 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:
1825 1825  
1857 +
1826 1826  [[image:1653360054704-518.png||height="186" width="745"]]
1827 1827  
1828 1828  
... ... @@ -1831,6 +1831,8 @@
1831 1831  
1832 1832  
1833 1833  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1834 1834  )))
1835 1835  )))
1836 1836  
... ... @@ -1841,7 +1841,10 @@
1841 1841  (((
1842 1842  
1843 1843  
1878 +
1844 1844  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1845 1845  )))
1846 1846  
1847 1847  (((
... ... @@ -1859,7 +1859,7 @@
1859 1859  )))
1860 1860  
1861 1861  (((
1862 -(% 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.
1863 1863  )))
1864 1864  
1865 1865  (((
... ... @@ -1867,12 +1867,12 @@
1867 1867  )))
1868 1868  
1869 1869  (((
1870 -(% 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.**
1871 1871  )))
1872 1872  
1873 1873  
1874 1874  (((
1875 -(% 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:
1876 1876  )))
1877 1877  
1878 1878  (((
... ... @@ -1896,20 +1896,28 @@
1896 1896  [[image:1653360498588-932.png||height="485" width="726"]]
1897 1897  
1898 1898  
1936 +
1899 1899  == 5.4 Can I see counting event in Serial? ==
1900 1900  
1939 +
1901 1901  (((
1902 -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.
1903 1903  
1904 1904  
1944 +
1905 1905  == 5.5 Can i use point to point communication for LT-22222-L? ==
1906 1906  
1947 +
1907 1907  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1908 1908  )))
1909 1909  
1910 1910  (((
1911 1911  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1912 1912  
1957 +
1913 1913  If the device is not shut down, but directly powered off.
1914 1914  
1915 1915  It will default that this is a power-off state.
... ... @@ -1918,12 +1918,16 @@
1918 1918  
1919 1919  After restart, the status before power failure will be read from flash.
1920 1920  
1966 +
1967 +
1921 1921  = 6. Trouble Shooting =
1922 1922  )))
1923 1923  
1924 1924  (((
1925 1925  (((
1926 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1927 1927  )))
1928 1928  )))
1929 1929  
... ... @@ -1934,7 +1934,10 @@
1934 1934  (((
1935 1935  
1936 1936  
1986 +
1937 1937  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1938 1938  )))
1939 1939  
1940 1940  (((
... ... @@ -1944,7 +1944,10 @@
1944 1944  (((
1945 1945  
1946 1946  
1947 -== 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 +
1948 1948  )))
1949 1949  
1950 1950  (((
... ... @@ -1958,19 +1958,21 @@
1958 1958  
1959 1959  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1960 1960  
1961 -
1962 1962  (% style="color:#4f81bd" %)**XXX:**
1963 1963  
1964 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1965 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1966 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1967 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1968 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1969 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1970 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1971 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1972 -* (% 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
1973 1973  
2028 +
2029 +
2030 +
1974 1974  = 8. Packing Info =
1975 1975  
1976 1976  
... ... @@ -1988,18 +1988,29 @@
1988 1988  * Package Size / pcs : 14.5 x 8 x 5 cm
1989 1989  * Weight / pcs : 170g
1990 1990  
2048 +
2049 +
2050 +
1991 1991  = 9. Support =
1992 1992  
2053 +
1993 1993  * (((
1994 1994  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.
1995 1995  )))
1996 1996  * (((
1997 1997  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 +
1998 1998  )))
1999 1999  
2000 2000  = 10. Reference​​​​​ =
2001 2001  
2068 +
2002 2002  * 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]]
2003 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2004 -* [[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]]
2005 2005  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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