Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 82.24 >
edited by Xiaoling
on 2022/06/20 11:59
To version < 90.9 >
edited by Xiaoling
on 2022/08/18 13:43
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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  
... ... @@ -576,9 +576,9 @@
576 576  1. Periodically uplink (Base on TDC time). Payload is same as the normal MOD (MOD 1 for above command). This uplink uses LoRaWAN (% style="color:#4f81bd" %)**unconfirmed**(%%) data type
577 577  1. Trigger uplink when meet the trigger condition. LT will sent two packets in this case, the first uplink use payload specify in this mod (mod=6), the second packets use the normal mod payload(MOD=1 for above settings). Both Uplinks use LoRaWAN (% style="color:#4f81bd" %)**CONFIRMED data type.**
578 578  
579 -
580 580  (% style="color:#037691" %)**AT Command to set Trigger Condition**:
581 581  
590 +
582 582  (% style="color:#4f81bd" %)**Trigger base on voltage**:
583 583  
584 584  Format: AT+AVLIM=<AV1_LIMIT_LOW>,< AV1_LIMIT_HIGH>,<AV2_LIMIT_LOW>,< AV2_LIMIT_HIGH>
... ... @@ -700,14 +700,14 @@
700 700  (((
701 701  
702 702  
703 -**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/]]
704 -
705 -
712 +**Decoder for TTN/loraserver/ChirpStack**:  [[https:~~/~~/www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0>>https://www.dropbox.com/sh/wtrzu7avdtkmn3z/AACK5NwOMkU9jnvf1uCMuqrVa?dl=0]]
706 706  )))
707 707  
708 708  
716 +
709 709  == 3.4 ​Configure LT via AT or Downlink ==
710 710  
719 +
711 711  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
712 712  
713 713  (((
... ... @@ -719,8 +719,10 @@
719 719  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
720 720  
721 721  
731 +
722 722  === 3.4.1 Common Commands ===
723 723  
734 +
724 724  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]]
725 725  
726 726  
... ... @@ -727,80 +727,72 @@
727 727  
728 728  === 3.4.2 Sensor related commands ===
729 729  
741 +
730 730  ==== 3.4.2.1 Set Transmit Interval ====
731 731  
744 +
732 732  Set device uplink interval.
733 733  
734 734  * (% style="color:#037691" %)**AT Command:**
735 735  
736 -(% class="box infomessage" %)
737 -(((
738 738  **AT+TDC=N **
739 -)))
740 740  
751 +
741 741  **Example: **AT+TDC=30000. Means set interval to 30 seconds
742 742  
743 743  
744 744  * (% style="color:#037691" %)**Downlink Payload (prefix 0x01):**
745 745  
746 -(% class="box infomessage" %)
747 -(((
748 748  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
749 -)))
750 750  
751 751  
752 752  
761 +
753 753  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
754 754  
764 +
755 755  Set work mode.
756 756  
757 757  * (% style="color:#037691" %)**AT Command:**
758 758  
759 -(% class="box infomessage" %)
760 -(((
761 761  **AT+MOD=N  **
762 -)))
763 763  
771 +
764 764  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
765 765  
766 766  
767 767  * (% style="color:#037691" %)**Downlink Payload (prefix 0x0A):**
768 768  
769 -(% class="box infomessage" %)
770 -(((
771 -**0x0A aa     ~/~/ Same as AT+MOD=aa**
772 -)))
777 +**0x0A aa    ** ~/~/ Same as AT+MOD=aa
773 773  
774 774  
775 775  
781 +
776 776  ==== 3.4.2.3 Poll an uplink ====
777 777  
778 -* (% style="color:#037691" %)AT Command:
779 779  
785 +* (% style="color:#037691" %)**AT Command:**
786 +
780 780  There is no AT Command to poll uplink
781 781  
782 782  
783 -* (% style="color:#037691" %)Downlink Payload (prefix 0x08):
790 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x08):**
784 784  
785 -(% class="box infomessage" %)
786 -(((
787 -**0x08 FF     ~/~/ Poll an uplink,**
788 -)))
792 +**0x08 FF     **~/~/ Poll an uplink
789 789  
790 790  **Example**: 0x08FF, ask device to send an Uplink
791 791  
792 792  
793 793  
798 +
794 794  ==== 3.4.2.4 Enable Trigger Mode ====
795 795  
801 +
796 796  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
797 797  
798 -* (% style="color:#037691" %)AT Command:
804 +* (% style="color:#037691" %)**AT Command:**
799 799  
800 -(% class="box infomessage" %)
801 -(((
802 802  **AT+ADDMOD6=1 or 0**
803 -)))
804 804  
805 805  1: Enable Trigger Mode
806 806  
... ... @@ -807,38 +807,36 @@
807 807  0: Disable Trigger Mode
808 808  
809 809  
810 -* (% style="color:#037691" %)Downlink Payload (prefix 0x0A 06):
813 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x0A 06):**
811 811  
812 -(% class="box infomessage" %)
813 -(((
814 -**0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
815 -)))
815 +**0x0A 06 aa    ** ~/~/ Same as AT+ADDMOD6=aa
816 816  
817 817  
818 818  
819 +
819 819  ==== 3.4.2.5 Poll trigger settings ====
820 820  
822 +
821 821  Poll trigger settings,
822 822  
823 -* (% style="color:#037691" %)AT Command:
825 +* (% style="color:#037691" %)**AT Command:**
824 824  
825 825  There is no AT Command for this feature.
826 826  
827 827  
828 -* (% style="color:#037691" %)Downlink Payload (prefix 0x AB 06):
830 +* (% style="color:#037691" %)**Downlink Payload (prefix 0x AB 06):**
829 829  
830 -(% class="box infomessage" %)
831 -(((
832 -**0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
833 -)))
832 +**0xAB 06         **~/~/ Poll trigger settings, device will uplink trigger settings once receive this command
834 834  
835 835  
836 836  
836 +
837 837  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
838 838  
839 +
839 839  Enable Disable DI1/DI2/DI2 as trigger,
840 840  
841 -* (% style="color:#037691" %)AT Command:
842 +* (% style="color:#037691" %)**AT Command:**
842 842  
843 843  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
844 844  
... ... @@ -847,7 +847,7 @@
847 847  
848 848  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
849 849  
850 -* (% style="color:#037691" %)Downlink Payload (prefix 0xAA 02):
851 +* (% style="color:#037691" %)**Downlink Payload (prefix 0xAA 02):**
851 851  
852 852  **0xAA 02 aa bb        **~/~/ Same as AT+DTRI=aa,bb
853 853  
... ... @@ -856,9 +856,10 @@
856 856  
857 857  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
858 858  
860 +
859 859  Set DI1 or DI3(for LT-33222-L) trigger.
860 860  
861 -* (% style="color:#037691" %)AT Command:
863 +* (% style="color:#037691" %)**AT Command:**
862 862  
863 863  **AT+TRIG1=a,b**
864 864  
... ... @@ -876,9 +876,9 @@
876 876  * **0x09 01 aa bb cc    ** ~/~/ same as AT+TRIG1=aa,0x(bb cc)
877 877  
878 878  
879 -
880 880  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
881 881  
883 +
882 882  Set DI2 trigger.
883 883  
884 884  * (% style="color:#037691" %)**AT Command:**
... ... @@ -905,6 +905,7 @@
905 905  
906 906  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
907 907  
910 +
908 908  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
909 909  
910 910  * (% style="color:#037691" %)**AT Command**
... ... @@ -921,6 +921,7 @@
921 921  
922 922  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
923 923  
927 +
924 924  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
925 925  
926 926  * (% style="color:#037691" %)**AT Command**
... ... @@ -937,11 +937,12 @@
937 937  
938 938  ==== 3.4.2.11 Trigger – Set minimum interval ====
939 939  
940 -Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
941 941  
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 +
942 942  * (% style="color:#037691" %)**AT Command**
943 943  
944 -**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.
945 945  
946 946  
947 947  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAC )**
... ... @@ -948,11 +948,18 @@
948 948  
949 949  **0x AC aa bb   ** ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)
950 950  
956 +(((
957 +
951 951  
959 +(% style="color:red" %)Note: ATDC setting must be more than 5min
960 +)))
952 952  
953 953  
963 +
964 +
954 954  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
955 955  
967 +
956 956  * (% style="color:#037691" %)**AT Command**
957 957  
958 958  There is no AT Command to control Digital Output
... ... @@ -984,6 +984,7 @@
984 984  
985 985  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
986 986  
999 +
987 987  * (% style="color:#037691" %)**AT Command**
988 988  
989 989  There is no AT Command to control Digital Output
... ... @@ -1050,6 +1050,7 @@
1050 1050  
1051 1051  ==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1052 1052  
1066 +
1053 1053  * (% style="color:#037691" %)**AT Command:**
1054 1054  
1055 1055  There is no AT Command to control Relay Output
... ... @@ -1079,6 +1079,7 @@
1079 1079  
1080 1080  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1081 1081  
1096 +
1082 1082  * (% style="color:#037691" %)**AT Command:**
1083 1083  
1084 1084  There is no AT Command to control Relay Output
... ... @@ -1102,7 +1102,7 @@
1102 1102  
1103 1103  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1104 1104  
1105 -[[image:image-20220524093831-10.png]]
1120 +[[image:image-20220714135731-1.png||height="406" width="627"]]
1106 1106  
1107 1107  
1108 1108  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
... ... @@ -1112,21 +1112,21 @@
1112 1112  
1113 1113  **Example payload:**
1114 1114  
1115 -**~1. 05 01 11 07 D0**
1130 +**~1. 05 01 11 07 D**
1116 1116  
1117 -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.
1118 1118  
1119 1119  **2. 05 01 10 07 D0**
1120 1120  
1121 -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.
1122 1122  
1123 1123  **3. 05 00 01 07 D0**
1124 1124  
1125 -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.
1126 1126  
1127 1127  **4. 05 00 00 07 D0**
1128 1128  
1129 -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.
1130 1130  
1131 1131  
1132 1132  
... ... @@ -1133,11 +1133,12 @@
1133 1133  
1134 1134  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1135 1135  
1151 +
1136 1136  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1137 1137  
1138 1138  * (% style="color:#037691" %)**AT Command:**
1139 1139  
1140 -(% style="color:#037691" %)**​​​​​​​**(%%)**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1156 +**AT+VOLMAX   ** ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
1141 1141  
1142 1142  
1143 1143  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA5):**
... ... @@ -1149,9 +1149,10 @@
1149 1149  
1150 1150  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1151 1151  
1168 +
1152 1152  * (% style="color:#037691" %)**AT Command:**
1153 1153  
1154 -(% style="color:#037691" %)**​​​​​​​​​​​​​​**(%%)**AT+SETCNT=aa,(bb cc dd ee) **
1171 +**AT+SETCNT=aa,(bb cc dd ee) **
1155 1155  
1156 1156  aa: 1: Set count1,
1157 1157  
... ... @@ -1171,11 +1171,12 @@
1171 1171  
1172 1172  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1173 1173  
1191 +
1174 1174  Clear counting for counting mode
1175 1175  
1176 1176  * (% style="color:#037691" %)**AT Command:**
1177 1177  
1178 -(% style="color:#037691" %)​​​​​​​​​​​​​​(%%)**AT+CLRCOUNT ** ~/~/ clear all counting
1196 +**AT+CLRCOUNT ** ~/~/ clear all counting
1179 1179  
1180 1180  
1181 1181  * (% style="color:#037691" %)**Downlink Payload (prefix 0xA6):**
... ... @@ -1187,6 +1187,7 @@
1187 1187  
1188 1188  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1189 1189  
1208 +
1190 1190  * (% style="color:#037691" %)**AT Command:**
1191 1191  
1192 1192  **AT+COUTIME=60  **~/~/ Set save time to 60 seconds. Device will save the counting result in internal flash every 60 seconds. (min value: 30)
... ... @@ -1206,6 +1206,7 @@
1206 1206  
1207 1207  == 3.5 Integrate with Mydevice ==
1208 1208  
1228 +
1209 1209  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:
1210 1210  
1211 1211  (((
... ... @@ -1214,14 +1214,15 @@
1214 1214  
1215 1215  (((
1216 1216  (% 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 +
1217 1217  )))
1218 1218  
1219 -[[image:1653356737703-362.png||height="232" width="732"]]
1241 +[[image:image-20220719105525-1.png||height="377" width="677"]]
1220 1220  
1221 -[[image:image-20220524094641-11.png||height="390" width="723"]]
1222 1222  
1223 1223  
1224 -[[image:image-20220524094641-12.png||height="402" width="718"]]
1245 +[[image:image-20220719110247-2.png||height="388" width="683"]]
1225 1225  
1226 1226  
1227 1227  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
... ... @@ -1254,8 +1254,10 @@
1254 1254  
1255 1255  == 3.6 Interface Detail ==
1256 1256  
1278 +
1257 1257  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1258 1258  
1281 +
1259 1259  Support NPN Type sensor
1260 1260  
1261 1261  [[image:1653356991268-289.png]]
... ... @@ -1264,6 +1264,7 @@
1264 1264  
1265 1265  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1266 1266  
1290 +
1267 1267  (((
1268 1268  The DI port of LT-22222-L can support NPN or PNP output sensor.
1269 1269  )))
... ... @@ -1270,7 +1270,9 @@
1270 1270  
1271 1271  (((
1272 1272  (((
1273 -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 +
1274 1274  )))
1275 1275  )))
1276 1276  
... ... @@ -1315,6 +1315,8 @@
1315 1315  
1316 1316  (((
1317 1317  
1344 +
1345 +
1318 1318  )))
1319 1319  
1320 1320  (((
... ... @@ -1346,6 +1346,8 @@
1346 1346  
1347 1347  (((
1348 1348  
1377 +
1378 +
1349 1349  )))
1350 1350  
1351 1351  (((
... ... @@ -1379,6 +1379,7 @@
1379 1379  
1380 1380  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1381 1381  
1412 +
1382 1382  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1383 1383  
1384 1384  [[image:1653357531600-905.png]]
... ... @@ -1387,6 +1387,7 @@
1387 1387  
1388 1388  === 3.6.4 Analog Input Interface ===
1389 1389  
1421 +
1390 1390  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:
1391 1391  
1392 1392  
... ... @@ -1418,6 +1418,7 @@
1418 1418  
1419 1419  === 3.6.5 Relay Output ===
1420 1420  
1453 +
1421 1421  (((
1422 1422  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:
1423 1423  )))
... ... @@ -1430,13 +1430,17 @@
1430 1430  
1431 1431  == 3.7 LEDs Indicators ==
1432 1432  
1466 +
1433 1433  [[image:image-20220524100748-11.png]]
1434 1434  
1435 1435  
1470 +
1436 1436  = 4. Use AT Command =
1437 1437  
1473 +
1438 1438  == 4.1 Access AT Command ==
1439 1439  
1476 +
1440 1440  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.
1441 1441  
1442 1442  [[image:1653358238933-385.png]]
... ... @@ -1635,8 +1635,6 @@
1635 1635  
1636 1636  (((
1637 1637  AT+CFG: Print all settings
1638 -
1639 -
1640 1640  )))
1641 1641  
1642 1642  
... ... @@ -1643,6 +1643,7 @@
1643 1643  
1644 1644  == 4.2 Common AT Command Sequence ==
1645 1645  
1681 +
1646 1646  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1647 1647  
1648 1648  (((
... ... @@ -1682,8 +1682,6 @@
1682 1682  
1683 1683  (((
1684 1684  (% style="background-color:#dcdcdc" %)ATZ
1685 -
1686 -
1687 1687  )))
1688 1688  
1689 1689  
... ... @@ -1768,13 +1768,16 @@
1768 1768  
1769 1769  === 4.2.3 Change to Class A ===
1770 1770  
1805 +
1771 1771  If sensor JOINED
1772 1772  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1773 1773  ATZ
1774 1774  
1775 1775  
1811 +
1776 1776  = 5. FAQ =
1777 1777  
1814 +
1778 1778  == 5.1 How to upgrade the image? ==
1779 1779  
1780 1780  
... ... @@ -1796,7 +1796,9 @@
1796 1796  
1797 1797  
1798 1798  (% style="color:blue" %)**For LT-22222-L**(%%):
1799 -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 +
1800 1800  )))
1801 1801  
1802 1802   [[image:image-20220524103407-12.png]]
... ... @@ -1808,6 +1808,7 @@
1808 1808  
1809 1809  (% 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:
1810 1810  
1850 +
1811 1811  [[image:1653360054704-518.png||height="186" width="745"]]
1812 1812  
1813 1813  
... ... @@ -1816,6 +1816,8 @@
1816 1816  
1817 1817  
1818 1818  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1859 +
1860 +
1819 1819  )))
1820 1820  )))
1821 1821  
... ... @@ -1826,7 +1826,10 @@
1826 1826  (((
1827 1827  
1828 1828  
1871 +
1829 1829  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1873 +
1874 +
1830 1830  )))
1831 1831  
1832 1832  (((
... ... @@ -1844,7 +1844,7 @@
1844 1844  )))
1845 1845  
1846 1846  (((
1847 -(% 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.
1848 1848  )))
1849 1849  
1850 1850  (((
... ... @@ -1852,12 +1852,12 @@
1852 1852  )))
1853 1853  
1854 1854  (((
1855 -(% 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.**
1856 1856  )))
1857 1857  
1858 1858  
1859 1859  (((
1860 -(% 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:
1861 1861  )))
1862 1862  
1863 1863  (((
... ... @@ -1881,20 +1881,28 @@
1881 1881  [[image:1653360498588-932.png||height="485" width="726"]]
1882 1882  
1883 1883  
1929 +
1884 1884  == 5.4 Can I see counting event in Serial? ==
1885 1885  
1932 +
1886 1886  (((
1887 -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.
1888 1888  
1889 1889  
1937 +
1890 1890  == 5.5 Can i use point to point communication for LT-22222-L? ==
1891 1891  
1940 +
1892 1892  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1942 +
1943 +
1944 +
1893 1893  )))
1894 1894  
1895 1895  (((
1896 1896  == 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1897 1897  
1950 +
1898 1898  If the device is not shut down, but directly powered off.
1899 1899  
1900 1900  It will default that this is a power-off state.
... ... @@ -1903,12 +1903,16 @@
1903 1903  
1904 1904  After restart, the status before power failure will be read from flash.
1905 1905  
1959 +
1960 +
1906 1906  = 6. Trouble Shooting =
1907 1907  )))
1908 1908  
1909 1909  (((
1910 1910  (((
1911 -== 6.1 Downlink doesn’t work, how to solve it? ==
1966 +== 6.1 Downlink doesn't work, how to solve it? ==
1967 +
1968 +
1912 1912  )))
1913 1913  )))
1914 1914  
... ... @@ -1919,7 +1919,10 @@
1919 1919  (((
1920 1920  
1921 1921  
1979 +
1922 1922  == 6.2 Have trouble to upload image. ==
1981 +
1982 +
1923 1923  )))
1924 1924  
1925 1925  (((
... ... @@ -1929,7 +1929,10 @@
1929 1929  (((
1930 1930  
1931 1931  
1932 -== 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 +
1933 1933  )))
1934 1934  
1935 1935  (((
... ... @@ -1943,19 +1943,20 @@
1943 1943  
1944 1944  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1945 1945  
1946 -
1947 1947  (% style="color:#4f81bd" %)**XXX:**
1948 1948  
1949 -* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1950 -* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1951 -* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1952 -* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1953 -* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1954 -* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1955 -* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1956 -* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1957 -* (% 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
1958 1958  
2021 +
2022 +
1959 1959  = 8. Packing Info =
1960 1960  
1961 1961  
... ... @@ -1973,18 +1973,27 @@
1973 1973  * Package Size / pcs : 14.5 x 8 x 5 cm
1974 1974  * Weight / pcs : 170g
1975 1975  
2040 +
2041 +
1976 1976  = 9. Support =
1977 1977  
2044 +
1978 1978  * (((
1979 1979  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.
1980 1980  )))
1981 1981  * (((
1982 1982  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 +
1983 1983  )))
1984 1984  
1985 1985  = 10. Reference​​​​​ =
1986 1986  
2058 +
1987 1987  * 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]]
1988 -* [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
1989 -* [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2060 +* [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
1990 1990  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2062 +
2063 +
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