Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.19 >
edited by Xiaoling
on 2022/06/20 11:53
To version < 90.8 >
edited by Xiaoling
on 2022/08/18 13:42
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Summary

Details

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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:**
... ... @@ -37,11 +37,13 @@
37 37  )))
38 38  
39 39  (((
40 -1) If user’s area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
39 +1) If user's area has LoRaWAN service coverage, they can just install the I/O controller and configure it to connect the LoRaWAN provider via wireless.
41 41  )))
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
... ... @@ -182,9 +182,9 @@
182 182  * Counting
183 183  
184 184  
185 -
186 186  == 1.4  Applications ==
187 187  
189 +
188 188  * Smart Buildings & Home Automation
189 189  * Logistics and Supply Chain Management
190 190  * Smart Metering
... ... @@ -193,9 +193,9 @@
193 193  * Smart Factory
194 194  
195 195  
196 -
197 197  == 1.5 Hardware Variants ==
198 198  
200 +
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" %)(((
... ... @@ -207,9 +207,9 @@
207 207  * 1 x Counting Port
208 208  )))
209 209  
210 -
211 211  = 2. Power ON Device =
212 212  
214 +
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  
229 +
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. 
231 +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.
235 +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  
239 +
236 236  == 3.2 Example to join LoRaWAN network ==
237 237  
242 +
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. 
245 +
246 +
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:
254 +
255 +
247 247  )))
248 248  
249 249  (((
... ... @@ -269,6 +269,7 @@
269 269  [[image:1653298023685-319.png]]
270 270  
271 271  
281 +
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 +279,20 @@
279 279  
280 280  == 3.3 Uplink Payload ==
281 281  
292 +
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
295 +* (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
296 +* (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
297 +* (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
298 +* (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
299 +* (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
300 +* (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
290 290  
291 291  
292 -
293 293  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
294 294  
305 +
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]]
... ... @@ -344,7 +344,6 @@
344 344  ** DO1 LED is off in both case
345 345  
346 346  
347 -
348 348  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
349 349  
350 350  
... ... @@ -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 ) **
409 +(% 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) **
411 +(% 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 ) **
413 +(% 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)**
415 +(% 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)**
417 +(% style="color:blue" %)**AT+SETCNT=1,60**(%%)**   (Set COUNT1 value to 60)**
418 +
419 +(% 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  
426 +
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  (((
432 +
433 +
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  
447 +
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)**
518 +(% 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)**
520 +(% 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)**
522 +(% style="color:blue" %)**AT+VOLMAX=20000,0**(%%)**  (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
523 +
524 +(% 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  
528 +
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
580 +* **AT+MOD=1 ** **~-~->**  The normal working mode
581 +* **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  
590 +
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 -
712 +**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  
716 +
710 710  == 3.4 ​Configure LT via AT or Downlink ==
711 711  
719 +
712 712  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
713 713  
714 714  (((
... ... @@ -723,6 +723,7 @@
723 723  
724 724  === 3.4.1 Common Commands ===
725 725  
734 +
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  
741 +
732 732  ==== 3.4.2.1 Set Transmit Interval ====
733 733  
744 +
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  
751 +
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  
761 +
755 755  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
756 756  
764 +
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  
771 +
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 -)))
777 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
775 775  
776 776  
777 777  
781 +
778 778  ==== 3.4.2.3 Poll an uplink ====
779 779  
780 -* (% style="color:#037691" %)AT Command:
781 781  
785 +* (% style="color:#037691" %)**AT Command:**
786 +
782 782  There is no AT Command to poll uplink
783 783  
784 784  
785 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
790 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
786 786  
787 -(% class="box infomessage" %)
788 -(((
789 -**0x08 FF     ~/~/ Poll an uplink,**
790 -)))
792 +**0x08 FF     **~/~/ Poll an uplink
791 791  
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 794  
795 795  
798 +
796 796  ==== 3.4.2.4 Enable Trigger Mode ====
797 797  
801 +
798 798  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
799 799  
800 -* (% style="color:#037691" %)AT Command:
804 +* (% 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):
813 +* (% 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 -)))
815 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
818 818  
819 819  
820 820  
819 +
821 821  ==== 3.4.2.5 Poll trigger settings ====
822 822  
822 +
823 823  Poll trigger settings,
824 824  
825 -* (% style="color:#037691" %)AT Command:
825 +* (% 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):
830 +* (% 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 -)))
832 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
836 836  
837 837  
838 838  
836 +
839 839  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
840 840  
839 +
841 841  Enable Disable DI1/DI2/DI2 as trigger,
842 842  
843 -* (% style="color:#037691" %)AT Command:
842 +* (% 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:**
... ... @@ -852,20 +852,19 @@
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):
851 +* (% 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 -)))
853 +**0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
861 861  
862 862  
863 863  
857 +
864 864  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
865 865  
860 +
866 866  Set DI1 or DI3(for LT-33222-L) trigger.
867 867  
868 -* (% style="color:#037691" %)AT Command:
863 +* (% style="color:#037691" %)**AT Command:**
869 869  
870 870  **AT+TRIG1=a,b**
871 871  
... ... @@ -880,13 +880,12 @@
880 880  
881 881  
882 882  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 01 ):**
883 -* **0x09 01 aa bb cc  ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
878 +* **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
884 884  
885 885  
886 -
887 -
888 888  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
889 889  
883 +
890 890  Set DI2 trigger.
891 891  
892 892  * (% style="color:#037691" %)**AT Command:**
... ... @@ -906,7 +906,7 @@
906 906  
907 907  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
908 908  
909 -**0x09 02 aa bb cc  **~/~/ same as AT+TRIG1=aa,0x(bb cc)
903 +**0x09 02 aa bb cc           **~/~/ same as AT+TRIG1=aa,0x(bb cc)
910 910  
911 911  
912 912  
... ... @@ -913,6 +913,7 @@
913 913  
914 914  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
915 915  
910 +
916 916  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
917 917  
918 918  * (% style="color:#037691" %)**AT Command**
... ... @@ -922,7 +922,7 @@
922 922  
923 923  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 01 )**
924 924  
925 -**0x AA 01 aa bb cc dd ee ff gg hh  ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
920 +**0x AA 01 aa bb cc dd ee ff gg hh        ** ~/~/ same as AT+ACLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
926 926  
927 927  
928 928  
... ... @@ -929,6 +929,7 @@
929 929  
930 930  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
931 931  
927 +
932 932  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
933 933  
934 934  * (% style="color:#037691" %)**AT Command**
... ... @@ -938,7 +938,7 @@
938 938  
939 939  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 00 )**
940 940  
941 -**0x AA 00 aa bb cc dd ee ff gg hh  ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
937 +**0x AA 00 aa bb cc dd ee ff gg hh    ** ~/~/ same as AT+AVLIM See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
942 942  
943 943  
944 944  
... ... @@ -945,22 +945,30 @@
945 945  
946 946  ==== 3.4.2.11 Trigger – Set minimum interval ====
947 947  
948 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
949 949  
945 +Set AV and AC trigger minimum interval, system won't response to the second trigger within this set time after the first trigger.
946 +
950 950  * (% style="color:#037691" %)**AT Command**
951 951  
952 -**AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
949 +**AT+ATDC=5        ** Device won't response the second trigger within 5 minute after the first trigger.
953 953  
954 954  
955 955  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
956 956  
957 -**0x AC aa bb  ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
954 +**0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
958 958  
956 +(((
957 +
959 959  
959 +(% style="color:red" %)Note: ATDC setting must be more than 5min
960 +)))
960 960  
961 961  
963 +
964 +
962 962  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
963 963  
967 +
964 964  * (% style="color:#037691" %)**AT Command**
965 965  
966 966  There is no AT Command to control Digital Output
... ... @@ -969,7 +969,6 @@
969 969  * (% style="color:#037691" %)**Downlink Payload (prefix 0x02)**
970 970  * **0x02 aa bb cc     **~/~/ Set DO1/DO2/DO3 output
971 971  
972 -
973 973  (((
974 974  If payload = 0x02010001, while there is load between V+ and DOx, it means set DO1 to low, DO2 to high and DO3 to low.
975 975  )))
... ... @@ -993,6 +993,7 @@
993 993  
994 994  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
995 995  
999 +
996 996  * (% style="color:#037691" %)**AT Command**
997 997  
998 998  There is no AT Command to control Digital Output
... ... @@ -1059,6 +1059,7 @@
1059 1059  
1060 1060  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1061 1061  
1066 +
1062 1062  * (% style="color:#037691" %)**AT Command:**
1063 1063  
1064 1064  There is no AT Command to control Relay Output
... ... @@ -1088,6 +1088,7 @@
1088 1088  
1089 1089  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1090 1090  
1096 +
1091 1091  * (% style="color:#037691" %)**AT Command:**
1092 1092  
1093 1093  There is no AT Command to control Relay Output
... ... @@ -1111,7 +1111,7 @@
1111 1111  
1112 1112  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1113 1113  
1114 -[[image:image-20220524093831-10.png]]
1120 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1115 1115  
1116 1116  
1117 1117  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1121,21 +1121,21 @@
1121 1121  
1122 1122  **Example payload:**
1123 1123  
1124 -**~1. 05 01 11 07 D0**
1130 +**~1. 05 01 11 07 D**
1125 1125  
1126 -Relay1 and Relay 2 will be set to NO , last 2 seconds, then change back to original state.
1132 +Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1127 1127  
1128 1128  **2. 05 01 10 07 D0**
1129 1129  
1130 -Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then both change back to original state.
1136 +Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then both change back to original state.
1131 1131  
1132 1132  **3. 05 00 01 07 D0**
1133 1133  
1134 -Relay1 will change to NC, Relay2 will change to NO, last 2 seconds, then relay change to NO, Relay2 change to NC.
1140 +Relay1 will change to NO, Relay2 will change to NC, last 2 seconds, then relay change to NC,Relay2 change to NO.
1135 1135  
1136 1136  **4. 05 00 00 07 D0**
1137 1137  
1138 -Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1144 +Relay 1 & relay2 will change to NO, last 2 seconds, then both change to NC.
1139 1139  
1140 1140  
1141 1141  
... ... @@ -1142,11 +1142,12 @@
1142 1142  
1143 1143  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1144 1144  
1151 +
1145 1145  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1146 1146  
1147 1147  * (% style="color:#037691" %)**AT Command:**
1148 1148  
1149 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1156 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1150 1150  
1151 1151  
1152 1152  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1158,9 +1158,10 @@
1158 1158  
1159 1159  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1160 1160  
1168 +
1161 1161  * (% style="color:#037691" %)**AT Command:**
1162 1162  
1163 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1171 +**AT+SETCNT=aa,(bb cc dd ee) **
1164 1164  
1165 1165  aa: 1: Set count1,
1166 1166  
... ... @@ -1180,11 +1180,12 @@
1180 1180  
1181 1181  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1182 1182  
1191 +
1183 1183  Clear counting for counting mode
1184 1184  
1185 1185  * (% style="color:#037691" %)**AT Command:**
1186 1186  
1187 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1196 +**AT+CLRCOUNT ** ~/~/ clear all counting
1188 1188  
1189 1189  
1190 1190  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1196,6 +1196,7 @@
1196 1196  
1197 1197  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1198 1198  
1208 +
1199 1199  * (% style="color:#037691" %)**AT Command:**
1200 1200  
1201 1201  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1215,6 +1215,7 @@
1215 1215  
1216 1216  == 3.5 Integrate with Mydevice ==
1217 1217  
1228 +
1218 1218  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:
1219 1219  
1220 1220  (((
... ... @@ -1223,14 +1223,15 @@
1223 1223  
1224 1224  (((
1225 1225  (% 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:
1237 +
1238 +
1226 1226  )))
1227 1227  
1228 -[[image:1653356737703-362.png||height="232" width="732"]]
1241 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1229 1229  
1230 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1231 1231  
1232 1232  
1233 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1245 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1234 1234  
1235 1235  
1236 1236  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1263,8 +1263,10 @@
1263 1263  
1264 1264  == 3.6 Interface Detail ==
1265 1265  
1278 +
1266 1266  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1267 1267  
1281 +
1268 1268  Support NPN Type sensor
1269 1269  
1270 1270  [[image:1653356991268-289.png]]
... ... @@ -1273,6 +1273,7 @@
1273 1273  
1274 1274  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1275 1275  
1290 +
1276 1276  (((
1277 1277  The DI port of LT-22222-L can support NPN or PNP output sensor.
1278 1278  )))
... ... @@ -1279,7 +1279,9 @@
1279 1279  
1280 1280  (((
1281 1281  (((
1282 -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
1297 +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.
1298 +
1299 +
1283 1283  )))
1284 1284  )))
1285 1285  
... ... @@ -1324,6 +1324,8 @@
1324 1324  
1325 1325  (((
1326 1326  
1344 +
1345 +
1327 1327  )))
1328 1328  
1329 1329  (((
... ... @@ -1355,6 +1355,8 @@
1355 1355  
1356 1356  (((
1357 1357  
1377 +
1378 +
1358 1358  )))
1359 1359  
1360 1360  (((
... ... @@ -1388,6 +1388,7 @@
1388 1388  
1389 1389  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1390 1390  
1412 +
1391 1391  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1392 1392  
1393 1393  [[image:1653357531600-905.png]]
... ... @@ -1396,6 +1396,7 @@
1396 1396  
1397 1397  === 3.6.4 Analog Input Interface ===
1398 1398  
1421 +
1399 1399  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:
1400 1400  
1401 1401  
... ... @@ -1427,6 +1427,7 @@
1427 1427  
1428 1428  === 3.6.5 Relay Output ===
1429 1429  
1453 +
1430 1430  (((
1431 1431  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:
1432 1432  )))
... ... @@ -1439,13 +1439,17 @@
1439 1439  
1440 1440  == 3.7 LEDs Indicators ==
1441 1441  
1466 +
1442 1442  [[image:image-20220524100748-11.png]]
1443 1443  
1444 1444  
1470 +
1445 1445  = 4. Use AT Command =
1446 1446  
1473 +
1447 1447  == 4.1 Access AT Command ==
1448 1448  
1476 +
1449 1449  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.
1450 1450  
1451 1451  [[image:1653358238933-385.png]]
... ... @@ -1644,8 +1644,6 @@
1644 1644  
1645 1645  (((
1646 1646  AT+CFG: Print all settings
1647 -
1648 -
1649 1649  )))
1650 1650  
1651 1651  
... ... @@ -1652,6 +1652,7 @@
1652 1652  
1653 1653  == 4.2 Common AT Command Sequence ==
1654 1654  
1681 +
1655 1655  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1656 1656  
1657 1657  (((
... ... @@ -1691,8 +1691,6 @@
1691 1691  
1692 1692  (((
1693 1693  (% style="background-color:#dcdcdc" %)ATZ
1694 -
1695 -
1696 1696  )))
1697 1697  
1698 1698  
... ... @@ -1777,13 +1777,16 @@
1777 1777  
1778 1778  === 4.2.3 Change to Class A ===
1779 1779  
1805 +
1780 1780  If sensor JOINED
1781 1781  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1782 1782  ATZ
1783 1783  
1784 1784  
1811 +
1785 1785  = 5. FAQ =
1786 1786  
1814 +
1787 1787  == 5.1 How to upgrade the image? ==
1788 1788  
1789 1789  
... ... @@ -1805,7 +1805,9 @@
1805 1805  
1806 1806  
1807 1807  (% style="color:blue" %)**For LT-22222-L**(%%):
1808 -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.
1836 +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.
1837 +
1838 +
1809 1809  )))
1810 1810  
1811 1811   [[image:image-20220524103407-12.png]]
... ... @@ -1817,6 +1817,7 @@
1817 1817  
1818 1818  (% 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:
1819 1819  
1850 +
1820 1820  [[image:1653360054704-518.png||height="186" width="745"]]
1821 1821  
1822 1822  
... ... @@ -1825,6 +1825,8 @@
1825 1825  
1826 1826  
1827 1827  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1859 +
1860 +
1828 1828  )))
1829 1829  )))
1830 1830  
... ... @@ -1835,7 +1835,10 @@
1835 1835  (((
1836 1836  
1837 1837  
1871 +
1838 1838  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1873 +
1874 +
1839 1839  )))
1840 1840  
1841 1841  (((
... ... @@ -1853,7 +1853,7 @@
1853 1853  )))
1854 1854  
1855 1855  (((
1856 -(% 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.
1892 +(% 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.
1857 1857  )))
1858 1858  
1859 1859  (((
... ... @@ -1861,12 +1861,12 @@
1861 1861  )))
1862 1862  
1863 1863  (((
1864 -(% 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.
1900 +(% 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.**
1865 1865  )))
1866 1866  
1867 1867  
1868 1868  (((
1869 -(% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1905 +(% style="color:blue" %)**Step2**(%%)**:  **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1870 1870  )))
1871 1871  
1872 1872  (((
... ... @@ -1890,20 +1890,28 @@
1890 1890  [[image:1653360498588-932.png||height="485" width="726"]]
1891 1891  
1892 1892  
1929 +
1893 1893  == 5.4 Can I see counting event in Serial? ==
1894 1894  
1932 +
1895 1895  (((
1896 -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.
1934 +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.
1897 1897  
1898 1898  
1937 +
1899 1899  == 5.5 Can i use point to point communication for LT-22222-L? ==
1900 1900  
1940 +
1901 1901  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1942 +
1943 +
1944 +
1902 1902  )))
1903 1903  
1904 1904  (((
1905 1905  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1906 1906  
1950 +
1907 1907  If the device is not shut down, but directly powered off.
1908 1908  
1909 1909  It will default that this is a power-off state.
... ... @@ -1912,12 +1912,16 @@
1912 1912  
1913 1913  After restart, the status before power failure will be read from flash.
1914 1914  
1959 +
1960 +
1915 1915  = 6. Trouble Shooting =
1916 1916  )))
1917 1917  
1918 1918  (((
1919 1919  (((
1920 -== 6.1 Downlink doesn’t work, how to solve it? ==
1966 +== 6.1 Downlink doesn't work, how to solve it? ==
1967 +
1968 +
1921 1921  )))
1922 1922  )))
1923 1923  
... ... @@ -1928,7 +1928,10 @@
1928 1928  (((
1929 1929  
1930 1930  
1979 +
1931 1931  == 6.2 Have trouble to upload image. ==
1981 +
1982 +
1932 1932  )))
1933 1933  
1934 1934  (((
... ... @@ -1938,7 +1938,10 @@
1938 1938  (((
1939 1939  
1940 1940  
1941 -== 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1992 +
1993 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
1994 +
1995 +
1942 1942  )))
1943 1943  
1944 1944  (((
... ... @@ -1952,19 +1952,20 @@
1952 1952  
1953 1953  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1954 1954  
1955 -
1956 1956  (% style="color:#4f81bd" %)**XXX:**
1957 1957  
1958 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1959 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1960 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1961 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1962 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1963 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1964 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1965 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1966 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
2011 +* (% style="color:red" %)**EU433**(%%):  LT with frequency bands EU433
2012 +* (% style="color:red" %)**EU868**(%%):  LT with frequency bands EU868
2013 +* (% style="color:red" %)**KR920**(%%):  LT with frequency bands KR920
2014 +* (% style="color:red" %)**CN470**(%%):  LT with frequency bands CN470
2015 +* (% style="color:red" %)**AS923**(%%):  LT with frequency bands AS923
2016 +* (% style="color:red" %)**AU915**(%%):  LT with frequency bands AU915
2017 +* (% style="color:red" %)**US915**(%%):  LT with frequency bands US915
2018 +* (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2019 +* (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
1967 1967  
2021 +
2022 +
1968 1968  = 8. Packing Info =
1969 1969  
1970 1970  
... ... @@ -1982,18 +1982,28 @@
1982 1982  * Package Size / pcs : 14.5 x 8 x 5 cm
1983 1983  * Weight / pcs : 170g
1984 1984  
2040 +
2041 +
1985 1985  = 9. Support =
1986 1986  
2044 +
1987 1987  * (((
1988 1988  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.
1989 1989  )))
1990 1990  * (((
1991 1991  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]]
2050 +
2051 +
2052 +
2053 +
2054 +
1992 1992  )))
1993 1993  
1994 1994  = 10. Reference​​​​​ =
1995 1995  
2059 +
1996 1996  * 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]]
1997 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1998 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2061 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1999 1999  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2063 +
2064 +
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