Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.20 >
edited by Xiaoling
on 2022/06/20 11:54
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:**
... ... @@ -852,9 +852,9 @@
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 -**0xAA 02 aa bb  **~/~/ Same as AT+DTRI=aa,bb
859 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
858 858  
859 859  
860 860  
... ... @@ -861,9 +861,10 @@
861 861  
862 862  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
863 863  
866 +
864 864  Set DI1 or DI3(for LT-33222-L) trigger.
865 865  
866 -* (% style="color:#037691" %)AT Command:
869 +* (% style="color:#037691" %)**AT Command:**
867 867  
868 868  **AT+TRIG1=a,b**
869 869  
... ... @@ -878,13 +878,13 @@
878 878  
879 879  
880 880  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
881 -* **0x09 01 aa bb cc  ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
884 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
882 882  
883 883  
884 884  
885 -
886 886  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
887 887  
890 +
888 888  Set DI2 trigger.
889 889  
890 890  * (% style="color:#037691" %)**AT Command:**
... ... @@ -904,7 +904,7 @@
904 904  
905 905  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
906 906  
907 -**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)
908 908  
909 909  
910 910  
... ... @@ -911,6 +911,7 @@
911 911  
912 912  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
913 913  
917 +
914 914  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
915 915  
916 916  * (% style="color:#037691" %)**AT Command**
... ... @@ -920,7 +920,7 @@
920 920  
921 921  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
922 922  
923 -**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"]]
924 924  
925 925  
926 926  
... ... @@ -927,6 +927,7 @@
927 927  
928 928  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
929 929  
934 +
930 930  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
931 931  
932 932  * (% style="color:#037691" %)**AT Command**
... ... @@ -936,7 +936,7 @@
936 936  
937 937  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
938 938  
939 -**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"]]
940 940  
941 941  
942 942  
... ... @@ -943,22 +943,30 @@
943 943  
944 944  ==== 3.4.2.11 Trigger – Set minimum interval ====
945 945  
946 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
947 947  
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 +
948 948  * (% style="color:#037691" %)**AT Command**
949 949  
950 -**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.
951 951  
952 952  
953 953  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
954 954  
955 -**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)
956 956  
963 +(((
964 +
957 957  
966 +(% style="color:red" %)Note: ATDC setting must be more than 5min
967 +)))
958 958  
959 959  
970 +
971 +
960 960  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
961 961  
974 +
962 962  * (% style="color:#037691" %)**AT Command**
963 963  
964 964  There is no AT Command to control Digital Output
... ... @@ -967,7 +967,6 @@
967 967  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
968 968  * **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
969 969  
970 -
971 971  (((
972 972  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
973 973  )))
... ... @@ -991,6 +991,7 @@
991 991  
992 992  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
993 993  
1006 +
994 994  * (% style="color:#037691" %)**AT Command**
995 995  
996 996  There is no AT Command to control Digital Output
... ... @@ -1057,6 +1057,7 @@
1057 1057  
1058 1058  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1059 1059  
1073 +
1060 1060  * (% style="color:#037691" %)**AT Command:**
1061 1061  
1062 1062  There is no AT Command to control Relay Output
... ... @@ -1086,6 +1086,7 @@
1086 1086  
1087 1087  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1088 1088  
1103 +
1089 1089  * (% style="color:#037691" %)**AT Command:**
1090 1090  
1091 1091  There is no AT Command to control Relay Output
... ... @@ -1109,7 +1109,7 @@
1109 1109  
1110 1110  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1111 1111  
1112 -[[image:image-20220524093831-10.png]]
1127 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1113 1113  
1114 1114  
1115 1115  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1119,21 +1119,21 @@
1119 1119  
1120 1120  **Example payload:**
1121 1121  
1122 -**~1. 05 01 11 07 D0**
1137 +**~1. 05 01 11 07 D**
1123 1123  
1124 -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.
1125 1125  
1126 1126  **2. 05 01 10 07 D0**
1127 1127  
1128 -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.
1129 1129  
1130 1130  **3. 05 00 01 07 D0**
1131 1131  
1132 -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.
1133 1133  
1134 1134  **4. 05 00 00 07 D0**
1135 1135  
1136 -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.
1137 1137  
1138 1138  
1139 1139  
... ... @@ -1140,11 +1140,12 @@
1140 1140  
1141 1141  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1142 1142  
1158 +
1143 1143  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1144 1144  
1145 1145  * (% style="color:#037691" %)**AT Command:**
1146 1146  
1147 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1163 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1148 1148  
1149 1149  
1150 1150  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1156,9 +1156,10 @@
1156 1156  
1157 1157  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1158 1158  
1175 +
1159 1159  * (% style="color:#037691" %)**AT Command:**
1160 1160  
1161 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1178 +**AT+SETCNT=aa,(bb cc dd ee) **
1162 1162  
1163 1163  aa: 1: Set count1,
1164 1164  
... ... @@ -1178,11 +1178,12 @@
1178 1178  
1179 1179  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1180 1180  
1198 +
1181 1181  Clear counting for counting mode
1182 1182  
1183 1183  * (% style="color:#037691" %)**AT Command:**
1184 1184  
1185 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1203 +**AT+CLRCOUNT ** ~/~/ clear all counting
1186 1186  
1187 1187  
1188 1188  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1194,6 +1194,7 @@
1194 1194  
1195 1195  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1196 1196  
1215 +
1197 1197  * (% style="color:#037691" %)**AT Command:**
1198 1198  
1199 1199  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1213,6 +1213,7 @@
1213 1213  
1214 1214  == 3.5 Integrate with Mydevice ==
1215 1215  
1235 +
1216 1216  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:
1217 1217  
1218 1218  (((
... ... @@ -1221,14 +1221,15 @@
1221 1221  
1222 1222  (((
1223 1223  (% 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 +
1224 1224  )))
1225 1225  
1226 -[[image:1653356737703-362.png||height="232" width="732"]]
1248 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1227 1227  
1228 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1229 1229  
1230 1230  
1231 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1252 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1232 1232  
1233 1233  
1234 1234  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1261,8 +1261,10 @@
1261 1261  
1262 1262  == 3.6 Interface Detail ==
1263 1263  
1285 +
1264 1264  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1265 1265  
1288 +
1266 1266  Support NPN Type sensor
1267 1267  
1268 1268  [[image:1653356991268-289.png]]
... ... @@ -1271,6 +1271,7 @@
1271 1271  
1272 1272  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1273 1273  
1297 +
1274 1274  (((
1275 1275  The DI port of LT-22222-L can support NPN or PNP output sensor.
1276 1276  )))
... ... @@ -1277,7 +1277,9 @@
1277 1277  
1278 1278  (((
1279 1279  (((
1280 -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 +
1281 1281  )))
1282 1282  )))
1283 1283  
... ... @@ -1322,6 +1322,8 @@
1322 1322  
1323 1323  (((
1324 1324  
1351 +
1352 +
1325 1325  )))
1326 1326  
1327 1327  (((
... ... @@ -1353,6 +1353,8 @@
1353 1353  
1354 1354  (((
1355 1355  
1384 +
1385 +
1356 1356  )))
1357 1357  
1358 1358  (((
... ... @@ -1386,6 +1386,7 @@
1386 1386  
1387 1387  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1388 1388  
1419 +
1389 1389  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1390 1390  
1391 1391  [[image:1653357531600-905.png]]
... ... @@ -1394,6 +1394,7 @@
1394 1394  
1395 1395  === 3.6.4 Analog Input Interface ===
1396 1396  
1428 +
1397 1397  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:
1398 1398  
1399 1399  
... ... @@ -1425,6 +1425,7 @@
1425 1425  
1426 1426  === 3.6.5 Relay Output ===
1427 1427  
1460 +
1428 1428  (((
1429 1429  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:
1430 1430  )))
... ... @@ -1437,13 +1437,17 @@
1437 1437  
1438 1438  == 3.7 LEDs Indicators ==
1439 1439  
1473 +
1440 1440  [[image:image-20220524100748-11.png]]
1441 1441  
1442 1442  
1477 +
1443 1443  = 4. Use AT Command =
1444 1444  
1480 +
1445 1445  == 4.1 Access AT Command ==
1446 1446  
1483 +
1447 1447  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.
1448 1448  
1449 1449  [[image:1653358238933-385.png]]
... ... @@ -1642,8 +1642,6 @@
1642 1642  
1643 1643  (((
1644 1644  AT+CFG: Print all settings
1645 -
1646 -
1647 1647  )))
1648 1648  
1649 1649  
... ... @@ -1650,6 +1650,7 @@
1650 1650  
1651 1651  == 4.2 Common AT Command Sequence ==
1652 1652  
1688 +
1653 1653  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1654 1654  
1655 1655  (((
... ... @@ -1689,8 +1689,6 @@
1689 1689  
1690 1690  (((
1691 1691  (% style="background-color:#dcdcdc" %)ATZ
1692 -
1693 -
1694 1694  )))
1695 1695  
1696 1696  
... ... @@ -1775,13 +1775,16 @@
1775 1775  
1776 1776  === 4.2.3 Change to Class A ===
1777 1777  
1812 +
1778 1778  If sensor JOINED
1779 1779  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1780 1780  ATZ
1781 1781  
1782 1782  
1818 +
1783 1783  = 5. FAQ =
1784 1784  
1821 +
1785 1785  == 5.1 How to upgrade the image? ==
1786 1786  
1787 1787  
... ... @@ -1803,7 +1803,9 @@
1803 1803  
1804 1804  
1805 1805  (% style="color:blue" %)**For LT-22222-L**(%%):
1806 -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 +
1807 1807  )))
1808 1808  
1809 1809   [[image:image-20220524103407-12.png]]
... ... @@ -1815,6 +1815,7 @@
1815 1815  
1816 1816  (% 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:
1817 1817  
1857 +
1818 1818  [[image:1653360054704-518.png||height="186" width="745"]]
1819 1819  
1820 1820  
... ... @@ -1823,6 +1823,8 @@
1823 1823  
1824 1824  
1825 1825  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1866 +
1867 +
1826 1826  )))
1827 1827  )))
1828 1828  
... ... @@ -1833,7 +1833,10 @@
1833 1833  (((
1834 1834  
1835 1835  
1878 +
1836 1836  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1880 +
1881 +
1837 1837  )))
1838 1838  
1839 1839  (((
... ... @@ -1851,7 +1851,7 @@
1851 1851  )))
1852 1852  
1853 1853  (((
1854 -(% 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.
1855 1855  )))
1856 1856  
1857 1857  (((
... ... @@ -1859,12 +1859,12 @@
1859 1859  )))
1860 1860  
1861 1861  (((
1862 -(% 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.**
1863 1863  )))
1864 1864  
1865 1865  
1866 1866  (((
1867 -(% 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:
1868 1868  )))
1869 1869  
1870 1870  (((
... ... @@ -1888,20 +1888,28 @@
1888 1888  [[image:1653360498588-932.png||height="485" width="726"]]
1889 1889  
1890 1890  
1936 +
1891 1891  == 5.4 Can I see counting event in Serial? ==
1892 1892  
1939 +
1893 1893  (((
1894 -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.
1895 1895  
1896 1896  
1944 +
1897 1897  == 5.5 Can i use point to point communication for LT-22222-L? ==
1898 1898  
1947 +
1899 1899  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1949 +
1950 +
1951 +
1900 1900  )))
1901 1901  
1902 1902  (((
1903 1903  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1904 1904  
1957 +
1905 1905  If the device is not shut down, but directly powered off.
1906 1906  
1907 1907  It will default that this is a power-off state.
... ... @@ -1910,12 +1910,16 @@
1910 1910  
1911 1911  After restart, the status before power failure will be read from flash.
1912 1912  
1966 +
1967 +
1913 1913  = 6. Trouble Shooting =
1914 1914  )))
1915 1915  
1916 1916  (((
1917 1917  (((
1918 -== 6.1 Downlink doesn’t work, how to solve it? ==
1973 +== 6.1 Downlink doesn't work, how to solve it? ==
1974 +
1975 +
1919 1919  )))
1920 1920  )))
1921 1921  
... ... @@ -1926,7 +1926,10 @@
1926 1926  (((
1927 1927  
1928 1928  
1986 +
1929 1929  == 6.2 Have trouble to upload image. ==
1988 +
1989 +
1930 1930  )))
1931 1931  
1932 1932  (((
... ... @@ -1936,7 +1936,10 @@
1936 1936  (((
1937 1937  
1938 1938  
1939 -== 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 +
1940 1940  )))
1941 1941  
1942 1942  (((
... ... @@ -1950,19 +1950,21 @@
1950 1950  
1951 1951  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1952 1952  
1953 -
1954 1954  (% style="color:#4f81bd" %)**XXX:**
1955 1955  
1956 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1957 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1958 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1959 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1960 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1961 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1962 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1963 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1964 -* (% 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
1965 1965  
2028 +
2029 +
2030 +
1966 1966  = 8. Packing Info =
1967 1967  
1968 1968  
... ... @@ -1980,18 +1980,29 @@
1980 1980  * Package Size / pcs : 14.5 x 8 x 5 cm
1981 1981  * Weight / pcs : 170g
1982 1982  
2048 +
2049 +
2050 +
1983 1983  = 9. Support =
1984 1984  
2053 +
1985 1985  * (((
1986 1986  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.
1987 1987  )))
1988 1988  * (((
1989 1989  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 +
1990 1990  )))
1991 1991  
1992 1992  = 10. Reference​​​​​ =
1993 1993  
2068 +
1994 1994  * 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]]
1995 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1996 -* [[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]]
1997 1997  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2072 +
2073 +
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