Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.23 >
edited by Xiaoling
on 2022/06/20 11:58
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
... ... @@ -184,6 +184,7 @@
184 184  
185 185  == 1.4  Applications ==
186 186  
189 +
187 187  * Smart Buildings & Home Automation
188 188  * Logistics and Supply Chain Management
189 189  * Smart Metering
... ... @@ -194,6 +194,7 @@
194 194  
195 195  == 1.5 Hardware Variants ==
196 196  
200 +
197 197  (% border="1" style="background-color:#f7faff; width:500px" %)
198 198  |(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
199 199  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
... ... @@ -205,11 +205,9 @@
205 205  * 1 x Counting Port
206 206  )))
207 207  
208 -
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  )))
... ... @@ -279,18 +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  
292 292  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
293 293  
305 +
294 294  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
295 295  
296 296  [[image:image-20220523174024-3.png]]
... ... @@ -392,34 +392,33 @@
392 392  
393 393  (((
394 394  **For LT22222-L:**
395 -)))
396 396  
397 -(% class="box infomessage" %)
398 -(((
399 -(((
400 -**AT+TRIG1=0,100  (set DI1 port to trigger on low level, valid signal is 100ms) **
401 401  
402 -**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) **
403 403  
404 -**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 ) **
405 405  
406 -**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) **
407 407  
408 -**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 ) **
409 409  
410 -**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)**
411 411  )))
412 -)))
413 413  
414 414  
415 415  
416 416  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
417 417  
426 +
418 418  **LT22222-L**: This mode the DI1 is used as a counting pin.
419 419  
420 420  [[image:image-20220523181246-5.png]]
421 421  
422 422  (((
432 +
433 +
423 423  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
424 424  )))
425 425  
... ... @@ -433,6 +433,7 @@
433 433  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
434 434  )))
435 435  
447 +
436 436  (((
437 437  **To use counting mode, please run:**
438 438  )))
... ... @@ -501,11 +501,8 @@
501 501  
502 502  
503 503  **Plus below command for AVI1 Counting:**
504 -)))
505 505  
506 -(% class="box infomessage" %)
507 -(((
508 -(((
517 +
509 509  (% style="color:blue" %)**AT+SETCNT=3,60**(%%)**  (set AVI Count to 60)**
510 510  
511 511  (% style="color:blue" %)**AT+VOLMAX=20000**(%%)**  (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
... ... @@ -514,9 +514,9 @@
514 514  
515 515  (% style="color:blue" %)**AT+VOLMAX=20000,1**(%%)**  (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
516 516  )))
517 -)))
518 518  
519 519  
528 +
520 520  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
521 521  
522 522  
... ... @@ -568,8 +568,8 @@
568 568  
569 569  For example, if user has configured below commands:
570 570  
571 -* **AT+MOD=1 ** **~-~->** The normal working mode
572 -* **AT+ADDMOD6=1**   **~-~->** Enable trigger
580 +* **AT+MOD=1 ** **~-~->**  The normal working mode
581 +* **AT+ADDMOD6=1**   **~-~->**  Enable trigger
573 573  
574 574  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
575 575  
... ... @@ -578,6 +578,7 @@
578 578  
579 579  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
580 580  
590 +
581 581  (% style="color:#4f81bd" %)**Trigger base on voltage**:
582 582  
583 583  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -699,14 +699,14 @@
699 699  (((
700 700  
701 701  
702 -**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/]]
703 -
704 -
712 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
705 705  )))
706 706  
707 707  
716 +
708 708  == 3.4 ​Configure LT via AT or Downlink ==
709 709  
719 +
710 710  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
711 711  
712 712  (((
... ... @@ -718,8 +718,10 @@
718 718  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
719 719  
720 720  
731 +
721 721  === 3.4.1 Common Commands ===
722 722  
734 +
723 723  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]]
724 724  
725 725  
... ... @@ -726,80 +726,72 @@
726 726  
727 727  === 3.4.2 Sensor related commands ===
728 728  
741 +
729 729  ==== 3.4.2.1 Set Transmit Interval ====
730 730  
744 +
731 731  Set device uplink interval.
732 732  
733 733  * (% style="color:#037691" %)**AT Command:**
734 734  
735 -(% class="box infomessage" %)
736 -(((
737 737  **AT+TDC=N **
738 -)))
739 739  
751 +
740 740  **Example: **AT+TDC=30000. Means set interval to 30 seconds
741 741  
742 742  
743 743  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
744 744  
745 -(% class="box infomessage" %)
746 -(((
747 747  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
748 -)))
749 749  
750 750  
751 751  
761 +
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
764 +
754 754  Set work mode.
755 755  
756 756  * (% style="color:#037691" %)**AT Command:**
757 757  
758 -(% class="box infomessage" %)
759 -(((
760 760  **AT+MOD=N  **
761 -)))
762 762  
771 +
763 763  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
764 764  
765 765  
766 766  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
767 767  
768 -(% class="box infomessage" %)
769 -(((
770 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
771 -)))
777 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
772 772  
773 773  
774 774  
781 +
775 775  ==== 3.4.2.3 Poll an uplink ====
776 776  
777 -* (% style="color:#037691" %)AT Command:
778 778  
785 +* (% style="color:#037691" %)**AT Command:**
786 +
779 779  There is no AT Command to poll uplink
780 780  
781 781  
782 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
790 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
783 783  
784 -(% class="box infomessage" %)
785 -(((
786 -**0x08 FF     ~/~/ Poll an uplink,**
787 -)))
792 +**0x08 FF     **~/~/ Poll an uplink
788 788  
789 789  **Example**: 0x08FF, ask device to send an Uplink
790 790  
791 791  
792 792  
798 +
793 793  ==== 3.4.2.4 Enable Trigger Mode ====
794 794  
801 +
795 795  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
796 796  
797 -* (% style="color:#037691" %)AT Command:
804 +* (% style="color:#037691" %)**AT Command:**
798 798  
799 -(% class="box infomessage" %)
800 -(((
801 801  **AT+ADDMOD6=1 or 0**
802 -)))
803 803  
804 804  1: Enable Trigger Mode
805 805  
... ... @@ -806,38 +806,36 @@
806 806  0: Disable Trigger Mode
807 807  
808 808  
809 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
813 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
810 810  
811 -(% class="box infomessage" %)
812 -(((
813 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
814 -)))
815 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
815 815  
816 816  
817 817  
819 +
818 818  ==== 3.4.2.5 Poll trigger settings ====
819 819  
822 +
820 820  Poll trigger settings,
821 821  
822 -* (% style="color:#037691" %)AT Command:
825 +* (% style="color:#037691" %)**AT Command:**
823 823  
824 824  There is no AT Command for this feature.
825 825  
826 826  
827 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
828 828  
829 -(% class="box infomessage" %)
830 -(((
831 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
832 -)))
832 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
833 833  
834 834  
835 835  
836 +
836 836  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
837 837  
839 +
838 838  Enable Disable DI1/DI2/DI2 as trigger,
839 839  
840 -* (% style="color:#037691" %)AT Command:
842 +* (% style="color:#037691" %)**AT Command:**
841 841  
842 842  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
843 843  
... ... @@ -846,7 +846,7 @@
846 846  
847 847  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
848 848  
849 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
851 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
850 850  
851 851  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
852 852  
... ... @@ -855,9 +855,10 @@
855 855  
856 856  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
857 857  
860 +
858 858  Set DI1 or DI3(for LT-33222-L) trigger.
859 859  
860 -* (% style="color:#037691" %)AT Command:
863 +* (% style="color:#037691" %)**AT Command:**
861 861  
862 862  **AT+TRIG1=a,b**
863 863  
... ... @@ -875,9 +875,9 @@
875 875  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
876 876  
877 877  
878 -
879 879  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
880 880  
883 +
881 881  Set DI2 trigger.
882 882  
883 883  * (% style="color:#037691" %)**AT Command:**
... ... @@ -904,6 +904,7 @@
904 904  
905 905  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
906 906  
910 +
907 907  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
908 908  
909 909  * (% style="color:#037691" %)**AT Command**
... ... @@ -920,6 +920,7 @@
920 920  
921 921  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
922 922  
927 +
923 923  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
924 924  
925 925  * (% style="color:#037691" %)**AT Command**
... ... @@ -936,11 +936,12 @@
936 936  
937 937  ==== 3.4.2.11 Trigger – Set minimum interval ====
938 938  
939 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
940 940  
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 +
941 941  * (% style="color:#037691" %)**AT Command**
942 942  
943 -**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.
944 944  
945 945  
946 946  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -947,11 +947,18 @@
947 947  
948 948  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
949 949  
956 +(((
957 +
950 950  
959 +(% style="color:red" %)Note: ATDC setting must be more than 5min
960 +)))
951 951  
952 952  
963 +
964 +
953 953  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
954 954  
967 +
955 955  * (% style="color:#037691" %)**AT Command**
956 956  
957 957  There is no AT Command to control Digital Output
... ... @@ -983,6 +983,7 @@
983 983  
984 984  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
985 985  
999 +
986 986  * (% style="color:#037691" %)**AT Command**
987 987  
988 988  There is no AT Command to control Digital Output
... ... @@ -1049,6 +1049,7 @@
1049 1049  
1050 1050  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1051 1051  
1066 +
1052 1052  * (% style="color:#037691" %)**AT Command:**
1053 1053  
1054 1054  There is no AT Command to control Relay Output
... ... @@ -1078,6 +1078,7 @@
1078 1078  
1079 1079  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1080 1080  
1096 +
1081 1081  * (% style="color:#037691" %)**AT Command:**
1082 1082  
1083 1083  There is no AT Command to control Relay Output
... ... @@ -1101,7 +1101,7 @@
1101 1101  
1102 1102  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1103 1103  
1104 -[[image:image-20220524093831-10.png]]
1120 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1105 1105  
1106 1106  
1107 1107  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1111,21 +1111,21 @@
1111 1111  
1112 1112  **Example payload:**
1113 1113  
1114 -**~1. 05 01 11 07 D0**
1130 +**~1. 05 01 11 07 D**
1115 1115  
1116 -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.
1117 1117  
1118 1118  **2. 05 01 10 07 D0**
1119 1119  
1120 -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.
1121 1121  
1122 1122  **3. 05 00 01 07 D0**
1123 1123  
1124 -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.
1125 1125  
1126 1126  **4. 05 00 00 07 D0**
1127 1127  
1128 -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.
1129 1129  
1130 1130  
1131 1131  
... ... @@ -1132,11 +1132,12 @@
1132 1132  
1133 1133  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1134 1134  
1151 +
1135 1135  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1136 1136  
1137 1137  * (% style="color:#037691" %)**AT Command:**
1138 1138  
1139 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1156 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1140 1140  
1141 1141  
1142 1142  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1148,9 +1148,10 @@
1148 1148  
1149 1149  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1150 1150  
1168 +
1151 1151  * (% style="color:#037691" %)**AT Command:**
1152 1152  
1153 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1171 +**AT+SETCNT=aa,(bb cc dd ee) **
1154 1154  
1155 1155  aa: 1: Set count1,
1156 1156  
... ... @@ -1170,11 +1170,12 @@
1170 1170  
1171 1171  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1172 1172  
1191 +
1173 1173  Clear counting for counting mode
1174 1174  
1175 1175  * (% style="color:#037691" %)**AT Command:**
1176 1176  
1177 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1196 +**AT+CLRCOUNT ** ~/~/ clear all counting
1178 1178  
1179 1179  
1180 1180  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1186,6 +1186,7 @@
1186 1186  
1187 1187  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1188 1188  
1208 +
1189 1189  * (% style="color:#037691" %)**AT Command:**
1190 1190  
1191 1191  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1205,6 +1205,7 @@
1205 1205  
1206 1206  == 3.5 Integrate with Mydevice ==
1207 1207  
1228 +
1208 1208  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:
1209 1209  
1210 1210  (((
... ... @@ -1213,14 +1213,15 @@
1213 1213  
1214 1214  (((
1215 1215  (% 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 +
1216 1216  )))
1217 1217  
1218 -[[image:1653356737703-362.png||height="232" width="732"]]
1241 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1219 1219  
1220 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1221 1221  
1222 1222  
1223 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1245 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1224 1224  
1225 1225  
1226 1226  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1253,8 +1253,10 @@
1253 1253  
1254 1254  == 3.6 Interface Detail ==
1255 1255  
1278 +
1256 1256  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1257 1257  
1281 +
1258 1258  Support NPN Type sensor
1259 1259  
1260 1260  [[image:1653356991268-289.png]]
... ... @@ -1263,6 +1263,7 @@
1263 1263  
1264 1264  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1265 1265  
1290 +
1266 1266  (((
1267 1267  The DI port of LT-22222-L can support NPN or PNP output sensor.
1268 1268  )))
... ... @@ -1269,7 +1269,9 @@
1269 1269  
1270 1270  (((
1271 1271  (((
1272 -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 +
1273 1273  )))
1274 1274  )))
1275 1275  
... ... @@ -1314,6 +1314,8 @@
1314 1314  
1315 1315  (((
1316 1316  
1344 +
1345 +
1317 1317  )))
1318 1318  
1319 1319  (((
... ... @@ -1345,6 +1345,8 @@
1345 1345  
1346 1346  (((
1347 1347  
1377 +
1378 +
1348 1348  )))
1349 1349  
1350 1350  (((
... ... @@ -1378,6 +1378,7 @@
1378 1378  
1379 1379  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1380 1380  
1412 +
1381 1381  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1382 1382  
1383 1383  [[image:1653357531600-905.png]]
... ... @@ -1386,6 +1386,7 @@
1386 1386  
1387 1387  === 3.6.4 Analog Input Interface ===
1388 1388  
1421 +
1389 1389  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:
1390 1390  
1391 1391  
... ... @@ -1417,6 +1417,7 @@
1417 1417  
1418 1418  === 3.6.5 Relay Output ===
1419 1419  
1453 +
1420 1420  (((
1421 1421  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:
1422 1422  )))
... ... @@ -1429,13 +1429,17 @@
1429 1429  
1430 1430  == 3.7 LEDs Indicators ==
1431 1431  
1466 +
1432 1432  [[image:image-20220524100748-11.png]]
1433 1433  
1434 1434  
1470 +
1435 1435  = 4. Use AT Command =
1436 1436  
1473 +
1437 1437  == 4.1 Access AT Command ==
1438 1438  
1476 +
1439 1439  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.
1440 1440  
1441 1441  [[image:1653358238933-385.png]]
... ... @@ -1634,8 +1634,6 @@
1634 1634  
1635 1635  (((
1636 1636  AT+CFG: Print all settings
1637 -
1638 -
1639 1639  )))
1640 1640  
1641 1641  
... ... @@ -1642,6 +1642,7 @@
1642 1642  
1643 1643  == 4.2 Common AT Command Sequence ==
1644 1644  
1681 +
1645 1645  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1646 1646  
1647 1647  (((
... ... @@ -1681,8 +1681,6 @@
1681 1681  
1682 1682  (((
1683 1683  (% style="background-color:#dcdcdc" %)ATZ
1684 -
1685 -
1686 1686  )))
1687 1687  
1688 1688  
... ... @@ -1767,13 +1767,16 @@
1767 1767  
1768 1768  === 4.2.3 Change to Class A ===
1769 1769  
1805 +
1770 1770  If sensor JOINED
1771 1771  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1772 1772  ATZ
1773 1773  
1774 1774  
1811 +
1775 1775  = 5. FAQ =
1776 1776  
1814 +
1777 1777  == 5.1 How to upgrade the image? ==
1778 1778  
1779 1779  
... ... @@ -1795,7 +1795,9 @@
1795 1795  
1796 1796  
1797 1797  (% style="color:blue" %)**For LT-22222-L**(%%):
1798 -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 +
1799 1799  )))
1800 1800  
1801 1801   [[image:image-20220524103407-12.png]]
... ... @@ -1807,6 +1807,7 @@
1807 1807  
1808 1808  (% 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:
1809 1809  
1850 +
1810 1810  [[image:1653360054704-518.png||height="186" width="745"]]
1811 1811  
1812 1812  
... ... @@ -1815,6 +1815,8 @@
1815 1815  
1816 1816  
1817 1817  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1859 +
1860 +
1818 1818  )))
1819 1819  )))
1820 1820  
... ... @@ -1825,7 +1825,10 @@
1825 1825  (((
1826 1826  
1827 1827  
1871 +
1828 1828  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1873 +
1874 +
1829 1829  )))
1830 1830  
1831 1831  (((
... ... @@ -1843,7 +1843,7 @@
1843 1843  )))
1844 1844  
1845 1845  (((
1846 -(% 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.
1847 1847  )))
1848 1848  
1849 1849  (((
... ... @@ -1851,12 +1851,12 @@
1851 1851  )))
1852 1852  
1853 1853  (((
1854 -(% 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.**
1855 1855  )))
1856 1856  
1857 1857  
1858 1858  (((
1859 -(% 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:
1860 1860  )))
1861 1861  
1862 1862  (((
... ... @@ -1880,20 +1880,28 @@
1880 1880  [[image:1653360498588-932.png||height="485" width="726"]]
1881 1881  
1882 1882  
1929 +
1883 1883  == 5.4 Can I see counting event in Serial? ==
1884 1884  
1932 +
1885 1885  (((
1886 -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.
1887 1887  
1888 1888  
1937 +
1889 1889  == 5.5 Can i use point to point communication for LT-22222-L? ==
1890 1890  
1940 +
1891 1891  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1942 +
1943 +
1944 +
1892 1892  )))
1893 1893  
1894 1894  (((
1895 1895  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1896 1896  
1950 +
1897 1897  If the device is not shut down, but directly powered off.
1898 1898  
1899 1899  It will default that this is a power-off state.
... ... @@ -1902,12 +1902,16 @@
1902 1902  
1903 1903  After restart, the status before power failure will be read from flash.
1904 1904  
1959 +
1960 +
1905 1905  = 6. Trouble Shooting =
1906 1906  )))
1907 1907  
1908 1908  (((
1909 1909  (((
1910 -== 6.1 Downlink doesn’t work, how to solve it? ==
1966 +== 6.1 Downlink doesn't work, how to solve it? ==
1967 +
1968 +
1911 1911  )))
1912 1912  )))
1913 1913  
... ... @@ -1918,7 +1918,10 @@
1918 1918  (((
1919 1919  
1920 1920  
1979 +
1921 1921  == 6.2 Have trouble to upload image. ==
1981 +
1982 +
1922 1922  )))
1923 1923  
1924 1924  (((
... ... @@ -1928,7 +1928,10 @@
1928 1928  (((
1929 1929  
1930 1930  
1931 -== 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 +
1932 1932  )))
1933 1933  
1934 1934  (((
... ... @@ -1942,19 +1942,20 @@
1942 1942  
1943 1943  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1944 1944  
1945 -
1946 1946  (% style="color:#4f81bd" %)**XXX:**
1947 1947  
1948 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1949 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1950 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1951 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1952 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1953 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1954 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1955 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1956 -* (% 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
1957 1957  
2021 +
2022 +
1958 1958  = 8. Packing Info =
1959 1959  
1960 1960  
... ... @@ -1972,18 +1972,28 @@
1972 1972  * Package Size / pcs : 14.5 x 8 x 5 cm
1973 1973  * Weight / pcs : 170g
1974 1974  
2040 +
2041 +
1975 1975  = 9. Support =
1976 1976  
2044 +
1977 1977  * (((
1978 1978  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.
1979 1979  )))
1980 1980  * (((
1981 1981  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 +
1982 1982  )))
1983 1983  
1984 1984  = 10. Reference​​​​​ =
1985 1985  
2059 +
1986 1986  * 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]]
1987 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1988 -* [[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]]
1989 1989  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2063 +
2064 +
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