Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 77.4 >
edited by Xiaoling
on 2022/06/10 08:38
To version < 77.85 >
edited by Xiaoling
on 2022/06/10 09:26
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -75,7 +75,6 @@
75 75  )))
76 76  )))
77 77  
78 -
79 79  (((
80 80  **Interface for Model: LT22222-L:**
81 81  )))
... ... @@ -99,7 +99,6 @@
99 99  Power Input 7~~ 24V DC. 
100 100  )))
101 101  
102 -
103 103  (((
104 104  **LoRa Spec:**
105 105  )))
... ... @@ -164,8 +164,6 @@
164 164  
165 165  )))
166 166  
167 -
168 -
169 169  == 1.3 Features ==
170 170  
171 171  * LoRaWAN Class A & Class C protocol
... ... @@ -176,8 +176,6 @@
176 176  * Firmware upgradable via program port
177 177  * Counting
178 178  
179 -
180 -
181 181  == 1.4  Applications ==
182 182  
183 183  * Smart Buildings & Home Automation
... ... @@ -211,6 +211,7 @@
211 211  [[image:1653297104069-180.png]]
212 212  
213 213  
208 +
214 214  = 3. Operation Mode =
215 215  
216 216  == 3.1 How it works? ==
... ... @@ -225,6 +225,8 @@
225 225  
226 226  )))
227 227  
223 +
224 +
228 228  == 3.2 Example to join LoRaWAN network ==
229 229  
230 230  (((
... ... @@ -266,6 +266,7 @@
266 266  [[image:1653298044601-602.png||height="405" width="709"]]
267 267  
268 268  
266 +
269 269  == 3.3 Uplink Payload ==
270 270  
271 271  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -329,6 +329,7 @@
329 329  
330 330  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
331 331  
330 +
332 332  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
333 333  
334 334  (((
... ... @@ -337,6 +337,7 @@
337 337  
338 338  [[image:image-20220523180452-3.png]]
339 339  
339 +
340 340  (((
341 341  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
342 342  )))
... ... @@ -352,6 +352,8 @@
352 352  )))
353 353  
354 354  (((
355 +
356 +
355 355  **To use counting mode, please run:**
356 356  )))
357 357  
... ... @@ -370,6 +370,8 @@
370 370  )))
371 371  
372 372  (((
375 +
376 +
373 373  (% style="color:#4f81bd" %)**AT Commands for counting:**
374 374  )))
375 375  
... ... @@ -420,6 +420,7 @@
420 420  )))
421 421  
422 422  
427 +
423 423  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
424 424  
425 425  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -464,8 +464,10 @@
464 464  
465 465  )))
466 466  
472 +
467 467  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
468 468  
475 +
469 469  **LT22222-L**: This mode the DI1 is used as a counting pin.
470 470  
471 471  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
... ... @@ -472,6 +472,7 @@
472 472  
473 473  [[image:image-20220523181903-8.png]]
474 474  
482 +
475 475  (((
476 476  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
477 477  )))
... ... @@ -487,6 +487,8 @@
487 487  )))
488 488  
489 489  (((
498 +
499 +
490 490  **To use this mode, please run:**
491 491  )))
492 492  
... ... @@ -513,6 +513,8 @@
513 513  )))
514 514  
515 515  (((
526 +
527 +
516 516  **Plus below command for AVI1 Counting:**
517 517  )))
518 518  
... ... @@ -545,13 +545,17 @@
545 545  )))
546 546  
547 547  
560 +
548 548  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
549 549  
563 +
550 550  **LT22222-L**: This mode the DI1 is used as a counting pin.
551 551  
552 552  [[image:image-20220523182334-9.png]]
553 553  
554 554  (((
569 +
570 +
555 555  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
556 556  )))
557 557  
... ... @@ -566,6 +566,8 @@
566 566  )))
567 567  
568 568  (((
585 +
586 +
569 569  **To use this mode, please run:**
570 570  )))
571 571  
... ... @@ -585,12 +585,13 @@
585 585  
586 586  (((
587 587  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
588 -
589 -
590 590  )))
591 591  
608 +
609 +
592 592  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
593 593  
612 +
594 594  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
595 595  
596 596  For example, if user has configured below commands:
... ... @@ -598,11 +598,13 @@
598 598  * **AT+MOD=1 ** **~-~->** The normal working mode
599 599  * **AT+ADDMOD6=1**   **~-~->** Enable trigger
600 600  
620 +
601 601  LT will keep monitoring AV1/AV2/AC1/AC2 every 5 seconds; LT will send uplink packets in two cases:
602 602  
603 603  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
604 604  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.**
605 605  
626 +
606 606  **AT Command to set Trigger Condition**:
607 607  
608 608  (% style="color:#4f81bd" %)**Trigger base on voltage**:
... ... @@ -654,14 +654,17 @@
654 654  
655 655   Yy4 yy4: AC2 or AV2 high limit.
656 656  
678 +
657 657  **Example1**: AA 00 13 88 00 00 00 00 00 00
658 658  
659 659  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
660 660  
683 +
661 661  **Example2**: AA 02 01 00
662 662  
663 663  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
664 664  
688 +
665 665  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
666 666  
667 667  MOD6 Payload : total 11 bytes payload
... ... @@ -668,6 +668,7 @@
668 668  
669 669  [[image:image-20220524085923-1.png]]
670 670  
695 +
671 671  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
672 672  
673 673  [[image:image-20220524090106-2.png]]
... ... @@ -674,6 +674,7 @@
674 674  
675 675  * Each bits shows if the corresponding trigger has been configured.
676 676  
702 +
677 677  **Example:**
678 678  
679 679  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
... ... @@ -685,6 +685,7 @@
685 685  
686 686  * Each bits shows which status has been trigger on this uplink.
687 687  
714 +
688 688  **Example:**
689 689  
690 690  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
... ... @@ -696,6 +696,7 @@
696 696  
697 697  * Each bits shows which status has been trigger on this uplink.
698 698  
726 +
699 699  **Example:**
700 700  
701 701  00000111: Means both DI1 and DI2 trigger are enabled and this packet is trigger by DI1.
... ... @@ -712,14 +712,19 @@
712 712  When device got this command, it will send the MOD6 payload.
713 713  
714 714  
743 +
715 715  === 3.3.7 Payload Decoder ===
716 716  
717 717  (((
747 +
748 +
718 718  **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/]]
719 719  
720 720  
721 721  )))
722 722  
754 +
755 +
723 723  == 3.4 ​Configure LT via AT or Downlink ==
724 724  
725 725  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -732,11 +732,14 @@
732 732  
733 733  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
734 734  
768 +
769 +
735 735  === 3.4.1 Common Commands ===
736 736  
737 737  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]]
738 738  
739 739  
775 +
740 740  === 3.4.2 Sensor related commands ===
741 741  
742 742  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -752,6 +752,7 @@
752 752  
753 753  **Example: **AT+TDC=30000. Means set interval to 30 seconds
754 754  
791 +
755 755  * Downlink Payload (prefix 0x01):
756 756  
757 757  (% class="box infomessage" %)
... ... @@ -760,6 +760,7 @@
760 760  )))
761 761  
762 762  
800 +
763 763  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
764 764  
765 765  Set work mode.
... ... @@ -773,6 +773,7 @@
773 773  
774 774  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
775 775  
814 +
776 776  * Downlink Payload (prefix 0x0A):
777 777  
778 778  (% class="box infomessage" %)
... ... @@ -781,6 +781,7 @@
781 781  )))
782 782  
783 783  
823 +
784 784  ==== 3.4.2.3 Poll an uplink ====
785 785  
786 786  * AT Command:
... ... @@ -787,6 +787,7 @@
787 787  
788 788  There is no AT Command to poll uplink
789 789  
830 +
790 790  * Downlink Payload (prefix 0x08):
791 791  
792 792  (% class="box infomessage" %)
... ... @@ -797,6 +797,7 @@
797 797  **Example**: 0x08FF, ask device to send an Uplink
798 798  
799 799  
841 +
800 800  ==== 3.4.2.4 Enable Trigger Mode ====
801 801  
802 802  Use of trigger mode, please check [[ADDMOD6>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -812,6 +812,7 @@
812 812  
813 813  0: Disable Trigger Mode
814 814  
857 +
815 815  * Downlink Payload (prefix 0x0A 06):
816 816  
817 817  (% class="box infomessage" %)
... ... @@ -820,6 +820,7 @@
820 820  )))
821 821  
822 822  
866 +
823 823  ==== 3.4.2.5 Poll trigger settings ====
824 824  
825 825  Poll trigger settings,
... ... @@ -828,6 +828,7 @@
828 828  
829 829  There is no AT Command for this feature.
830 830  
875 +
831 831  * Downlink Payload (prefix 0x AB 06):
832 832  
833 833  (% class="box infomessage" %)
... ... @@ -836,6 +836,7 @@
836 836  )))
837 837  
838 838  
884 +
839 839  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
840 840  
841 841  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -847,6 +847,7 @@
847 847  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
848 848  )))
849 849  
896 +
850 850  **Example:**
851 851  
852 852  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -859,6 +859,7 @@
859 859  )))
860 860  
861 861  
909 +
862 862  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
863 863  
864 864  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -874,10 +874,12 @@
874 874  
875 875  b : delay timing.
876 876  
925 +
877 877  **Example:**
878 878  
879 879  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
880 880  
930 +
881 881  * Downlink Payload (prefix 0x09 01 ):
882 882  
883 883  (% class="box infomessage" %)
... ... @@ -886,6 +886,7 @@
886 886  )))
887 887  
888 888  
939 +
889 889  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
890 890  
891 891  Set DI2 trigger.
... ... @@ -901,10 +901,12 @@
901 901  
902 902  b : delay timing.
903 903  
955 +
904 904  **Example:**
905 905  
906 906  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
907 907  
960 +
908 908  * Downlink Payload (prefix 0x09 02 ):
909 909  
910 910  (% class="box infomessage" %)
... ... @@ -913,6 +913,7 @@
913 913  )))
914 914  
915 915  
969 +
916 916  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
917 917  
918 918  Set current trigger , base on AC port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -924,6 +924,7 @@
924 924  **AT+ACLIM. **
925 925  )))
926 926  
981 +
927 927  * Downlink Payload (prefix 0xAA 01 ):
928 928  
929 929  (% class="box infomessage" %)
... ... @@ -932,6 +932,7 @@
932 932  )))
933 933  
934 934  
990 +
935 935  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
936 936  
937 937  Set current trigger , base on AV port. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]
... ... @@ -943,6 +943,7 @@
943 943  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
944 944  )))
945 945  
1002 +
946 946  * Downlink Payload (prefix 0xAA 00 ):
947 947  
948 948  (% class="box infomessage" %)
... ... @@ -951,6 +951,7 @@
951 951  )))
952 952  
953 953  
1011 +
954 954  ==== 3.4.2.11 Trigger – Set minimum interval ====
955 955  
956 956  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -962,6 +962,7 @@
962 962  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
963 963  )))
964 964  
1023 +
965 965  * Downlink Payload (prefix 0xAC ):
966 966  
967 967  (% class="box infomessage" %)
... ... @@ -970,6 +970,7 @@
970 970  )))
971 971  
972 972  
1032 +
973 973  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
974 974  
975 975  * AT Command:
... ... @@ -976,6 +976,7 @@
976 976  
977 977  There is no AT Command to control Digital Output
978 978  
1039 +
979 979  * Downlink Payload (prefix 0x02):
980 980  
981 981  (% class="box infomessage" %)
... ... @@ -1002,6 +1002,7 @@
1002 1002  )))
1003 1003  
1004 1004  
1066 +
1005 1005  ==== 3.4.2.13 DO ~-~- Control Digital Output DO1/DO2/DO3 with time control ====
1006 1006  
1007 1007  * AT Command:
... ... @@ -1008,6 +1008,7 @@
1008 1008  
1009 1009  There is no AT Command to control Digital Output
1010 1010  
1073 +
1011 1011  * Downlink Payload (prefix 0xA9):
1012 1012  
1013 1013  (% class="box infomessage" %)
... ... @@ -1027,18 +1027,22 @@
1027 1027  
1028 1028  00: DO pins will change to an inverter state after timeout 
1029 1029  
1093 +
1030 1030  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1031 1031  
1032 1032  [[image:image-20220524093238-6.png]]
1033 1033  
1098 +
1034 1034  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1035 1035  
1036 1036  [[image:image-20220524093328-7.png]]
1037 1037  
1103 +
1038 1038  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1039 1039  
1040 1040  [[image:image-20220524093351-8.png]]
1041 1041  
1108 +
1042 1042  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1043 1043  
1044 1044   Latching time. Unit: ms
... ... @@ -1045,6 +1045,7 @@
1045 1045  
1046 1046  Device will upload a packet if downlink code executes successfully.
1047 1047  
1115 +
1048 1048  **Example payload:**
1049 1049  
1050 1050  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1064,12 +1064,14 @@
1064 1064  DO1 pin no action, DO2 pin set low, DO3 pin set high, last 2 seconds, then DO1 pin no action, DO2 pin set high, DO3 pin set low
1065 1065  
1066 1066  
1067 -=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1068 1068  
1136 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1137 +
1069 1069  * AT Command:
1070 1070  
1071 1071  There is no AT Command to control Relay Output
1072 1072  
1142 +
1073 1073  * Downlink Payload (prefix 0x03):
1074 1074  
1075 1075  (% class="box infomessage" %)
... ... @@ -1092,6 +1092,7 @@
1092 1092  Device will upload a packet if downlink code executes successfully.
1093 1093  
1094 1094  
1165 +
1095 1095  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1096 1096  
1097 1097  * AT Command:
... ... @@ -1098,6 +1098,7 @@
1098 1098  
1099 1099  There is no AT Command to control Relay Output
1100 1100  
1172 +
1101 1101  * Downlink Payload (prefix 0x05):
1102 1102  
1103 1103  (% class="box infomessage" %)
... ... @@ -1115,14 +1115,17 @@
1115 1115  
1116 1116  00: Relays will change to an inverter state after timeout
1117 1117  
1190 +
1118 1118  (% style="color:#4f81bd" %)**Third Byte(bb)**(%%): Control Method and Ports status:
1119 1119  
1120 1120  [[image:image-20220524093831-10.png]]
1121 1121  
1195 +
1122 1122  (% style="color:#4f81bd" %)**Fourth/Fifth Bytes(cc)**(%%): Latching time. Unit: ms
1123 1123  
1124 1124  Device will upload a packet if downlink code executes successfully.
1125 1125  
1200 +
1126 1126  **Example payload:**
1127 1127  
1128 1128  **~1. 05 01 11 07 D0**
... ... @@ -1142,6 +1142,7 @@
1142 1142  Relay 1 & relay2 will change to NC, last 2 seconds, then both change to NO.
1143 1143  
1144 1144  
1220 +
1145 1145  ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ====
1146 1146  
1147 1147  When voltage exceed the threshold, count. Feature see [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]
... ... @@ -1153,6 +1153,7 @@
1153 1153  **AT+VOLMAX    ~/~/ See [[MOD4>>||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**
1154 1154  )))
1155 1155  
1232 +
1156 1156  * Downlink Payload (prefix 0xA5):
1157 1157  
1158 1158  (% class="box infomessage" %)
... ... @@ -1161,6 +1161,7 @@
1161 1161  )))
1162 1162  
1163 1163  
1241 +
1164 1164  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1165 1165  
1166 1166  * AT Command:
... ... @@ -1178,6 +1178,7 @@
1178 1178  
1179 1179  Bb cc dd ee: number to be set
1180 1180  
1259 +
1181 1181  * Downlink Payload (prefix 0xA8):
1182 1182  
1183 1183  (% class="box infomessage" %)
... ... @@ -1186,6 +1186,7 @@
1186 1186  )))
1187 1187  
1188 1188  
1268 +
1189 1189  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1190 1190  
1191 1191  Clear counting for counting mode
... ... @@ -1205,6 +1205,7 @@
1205 1205  )))
1206 1206  
1207 1207  
1288 +
1208 1208  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1209 1209  
1210 1210  * AT Command:
... ... @@ -1227,16 +1227,17 @@
1227 1227  
1228 1228  )))
1229 1229  
1311 +
1230 1230  == 3.5 Integrate with Mydevice ==
1231 1231  
1232 1232  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:
1233 1233  
1234 1234  (((
1235 -**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1317 +(% style="color:blue" %)**Step 1**(%%): Be sure that your device is programmed and properly connected to the network at this time.
1236 1236  )))
1237 1237  
1238 1238  (((
1239 -**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:
1321 +(% 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:
1240 1240  )))
1241 1241  
1242 1242  [[image:1653356737703-362.png||height="232" width="732"]]
... ... @@ -1243,12 +1243,13 @@
1243 1243  
1244 1244  [[image:image-20220524094641-11.png||height="390" width="723"]]
1245 1245  
1328 +
1246 1246  [[image:image-20220524094641-12.png||height="402" width="718"]]
1247 1247  
1248 1248  
1249 -**Step 3**: Create an account or log in Mydevices.
1332 +(% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1250 1250  
1251 -**Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1334 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1252 1252  
1253 1253  Search under The things network
1254 1254  
... ... @@ -1255,19 +1255,25 @@
1255 1255  [[image:1653356838789-523.png||height="337" width="740"]]
1256 1256  
1257 1257  
1341 +
1258 1258  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1259 1259  
1260 1260  [[image:image-20220524094909-1.png||height="335" width="729"]]
1261 1261  
1346 +
1262 1262  [[image:image-20220524094909-2.png||height="337" width="729"]]
1263 1263  
1349 +
1264 1264  [[image:image-20220524094909-3.png||height="338" width="727"]]
1265 1265  
1352 +
1266 1266  [[image:image-20220524094909-4.png||height="339" width="728"]](% style="display:none" %)
1267 1267  
1355 +
1268 1268  [[image:image-20220524094909-5.png||height="341" width="734"]]
1269 1269  
1270 1270  
1359 +
1271 1271  == 3.6 Interface Detail ==
1272 1272  
1273 1273  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1277,6 +1277,7 @@
1277 1277  [[image:1653356991268-289.png]]
1278 1278  
1279 1279  
1369 +
1280 1280  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1281 1281  
1282 1282  (((
... ... @@ -1302,7 +1302,7 @@
1302 1302  )))
1303 1303  
1304 1304  (((
1305 -**Example1**: Connect to a Low active sensor.
1395 +(% style="color:blue" %)**Example1**(%%): Connect to a Low active sensor.
1306 1306  )))
1307 1307  
1308 1308  (((
... ... @@ -1333,7 +1333,7 @@
1333 1333  )))
1334 1334  
1335 1335  (((
1336 -**Example2**: Connect to a High active sensor.
1426 +(% style="color:blue" %)**Example2**(%%): Connect to a High active sensor.
1337 1337  )))
1338 1338  
1339 1339  (((
... ... @@ -1364,7 +1364,7 @@
1364 1364  )))
1365 1365  
1366 1366  (((
1367 -**Example3**: Connect to a 220v high active sensor.
1457 +(% style="color:blue" %)**Example3**(%%): Connect to a 220v high active sensor.
1368 1368  )))
1369 1369  
1370 1370  (((
... ... @@ -1391,6 +1391,7 @@
1391 1391  )))
1392 1392  
1393 1393  
1484 +
1394 1394  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1395 1395  
1396 1396  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1398,12 +1398,14 @@
1398 1398  [[image:1653357531600-905.png]]
1399 1399  
1400 1400  
1492 +
1401 1401  === 3.6.4 Analog Input Interface ===
1402 1402  
1403 1403  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:
1404 1404  
1405 -**AC2 = (IN2 voltage )/12**
1406 1406  
1498 +(% style="color:blue" %)**AC2 = (IN2 voltage )/12**
1499 +
1407 1407  [[image:1653357592296-182.png]]
1408 1408  
1409 1409  Example to connect a 4~~20mA sensor
... ... @@ -1410,22 +1410,24 @@
1410 1410  
1411 1411  We take the wind speed sensor as an example for reference only.
1412 1412  
1413 -Specifications of the wind speed sensor:
1414 1414  
1415 -Red:12~~24v
1507 +**Specifications of the wind speed sensor:**
1416 1416  
1417 -Yellow:4~~20mA
1509 +Red:  12~~24v
1418 1418  
1419 -Black:GND
1511 +Yellow:  4~~20mA
1420 1420  
1513 +Black:  GND
1421 1421  
1422 -Connection diagram:
1423 1423  
1516 +**Connection diagram:**
1517 +
1424 1424  [[image:1653357640609-758.png]]
1425 1425  
1426 1426  [[image:1653357648330-671.png||height="155" width="733"]]
1427 1427  
1428 1428  
1523 +
1429 1429  === 3.6.5 Relay Output ===
1430 1430  
1431 1431  (((
... ... @@ -1437,6 +1437,7 @@
1437 1437  [[image:image-20220524100215-10.png||height="382" width="723"]]
1438 1438  
1439 1439  
1535 +
1440 1440  == 3.7 LEDs Indicators ==
1441 1441  
1442 1442  [[image:image-20220524100748-11.png]]
... ... @@ -1450,6 +1450,7 @@
1450 1450  
1451 1451  [[image:1653358238933-385.png]]
1452 1452  
1549 +
1453 1453  (((
1454 1454  In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1455 1455  )))
... ... @@ -1456,6 +1456,7 @@
1456 1456  
1457 1457  [[image:1653358355238-883.png]]
1458 1458  
1556 +
1459 1459  (((
1460 1460  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1461 1461  )))
... ... @@ -1646,12 +1646,16 @@
1646 1646  
1647 1647  )))
1648 1648  
1747 +
1748 +
1649 1649  == 4.2 Common AT Command Sequence ==
1650 1650  
1651 1651  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1652 1652  
1653 1653  (((
1654 -If device has not joined network yet:
1754 +
1755 +
1756 +**If device has not joined network yet:**
1655 1655  )))
1656 1656  
1657 1657  (((
... ... @@ -1676,7 +1676,7 @@
1676 1676  
1677 1677  
1678 1678  (((
1679 -If device already joined network:
1781 +**If device already joined network:**
1680 1680  )))
1681 1681  
1682 1682  (((
... ... @@ -1689,10 +1689,14 @@
1689 1689  
1690 1690  )))
1691 1691  
1794 +
1795 +
1692 1692  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1693 1693  
1694 1694  (((
1695 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1799 +
1800 +
1801 +(% style="background-color:#dcdcdc" %)123456(%%)  Enter Password to have AT access.
1696 1696  )))
1697 1697  
1698 1698  (((
... ... @@ -1700,7 +1700,7 @@
1700 1700  )))
1701 1701  
1702 1702  (((
1703 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1809 +(% style="background-color:#dcdcdc" %) 123456(%%)  Enter Password to have AT access.
1704 1704  )))
1705 1705  
1706 1706  (((
... ... @@ -1708,39 +1708,41 @@
1708 1708  )))
1709 1709  
1710 1710  (((
1711 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1817 +(% style="background-color:#dcdcdc" %) AT+NJM=0(%%)  Set to ABP mode
1712 1712  )))
1713 1713  
1714 1714  (((
1715 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1821 +(% style="background-color:#dcdcdc" %) AT+ADR=0(%%)  Set the Adaptive Data Rate Off
1716 1716  )))
1717 1717  
1718 1718  (((
1719 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1825 +(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1720 1720  )))
1721 1721  
1722 1722  (((
1723 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1829 +(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1724 1724  )))
1725 1725  
1726 1726  (((
1727 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1833 +(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1728 1728  )))
1729 1729  
1730 1730  (((
1731 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1837 +(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%)  Set RX2Frequency to 868.4Mhz (according to the result from server)
1732 1732  )))
1733 1733  
1734 1734  (((
1735 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1841 +(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1736 1736  )))
1737 1737  
1738 1738  (((
1739 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1845 +(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%) Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1740 1740  )))
1741 1741  
1742 1742  (((
1743 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1849 +(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1850 +
1851 +
1744 1744  )))
1745 1745  
1746 1746  (((
... ... @@ -1762,6 +1762,7 @@
1762 1762  
1763 1763  )))
1764 1764  
1873 +
1765 1765  === 4.2.3 Change to Class A ===
1766 1766  
1767 1767  If sensor JOINED
... ... @@ -1773,19 +1773,25 @@
1773 1773  
1774 1774  == 5.1 How to upgrade the image? ==
1775 1775  
1885 +
1776 1776  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1777 1777  
1778 1778  * Support new features
1779 1779  * For bug fix
1780 1780  * Change LoRaWAN bands.
1891 +
1781 1781  Below shows the hardware connection for how to upload an image to the LT:
1782 -* [[image:1653359603330-121.png]]
1783 1783  
1894 +[[image:1653359603330-121.png]]
1895 +
1896 +
1784 1784  (((
1785 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1786 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1787 -**Step3: **Open flashloader; choose the correct COM port to update.
1788 -**For LT-22222-L**:
1898 +(% style="color:blue" %)**Step1**(%%)**:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1899 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1900 +(% style="color:blue" %)**Step3**(%%)**:** Open flashloader; choose the correct COM port to update.
1901 +
1902 +
1903 +(% style="color:blue" %)**For LT-22222-L**(%%):
1789 1789  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.
1790 1790  )))
1791 1791  
... ... @@ -1795,6 +1795,7 @@
1795 1795  
1796 1796  [[image:image-20220524104033-15.png]]
1797 1797  
1913 +
1798 1798  (% 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:
1799 1799  
1800 1800  [[image:1653360054704-518.png||height="186" width="745"]]
... ... @@ -1802,6 +1802,8 @@
1802 1802  
1803 1803  (((
1804 1804  (((
1921 +
1922 +
1805 1805  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1806 1806  )))
1807 1807  )))
... ... @@ -1808,11 +1808,11 @@
1808 1808  
1809 1809  (((
1810 1810  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1811 -
1812 -
1813 1813  )))
1814 1814  
1815 1815  (((
1932 +
1933 +
1816 1816  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
1817 1817  )))
1818 1818  
... ... @@ -1825,6 +1825,8 @@
1825 1825  (((
1826 1826  (((
1827 1827  Assume we have a LG02 working in the frequency 868400000 now , below is the step.
1946 +
1947 +
1828 1828  )))
1829 1829  )))
1830 1830  
... ... @@ -1840,23 +1840,25 @@
1840 1840  (% 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.
1841 1841  )))
1842 1842  
1963 +
1843 1843  (((
1844 1844  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1845 1845  )))
1846 1846  
1847 1847  (((
1848 -(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1849 -(% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1850 -(% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
1851 -(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%)Set to ABP mode
1852 -(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%)Set the Adaptive Data Rate Off
1853 -(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1854 -(% style="background-color:#dcdcdc" %)AT+TDC=60000  (%%)Set transmit interval to 60 seconds
1855 -(% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1856 -(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1857 -(% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1969 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1970 +(% style="background-color:#dcdcdc" %)AT+FDR(%%)  Reset Parameters to Factory Default, Keys Reserve
1971 +(% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1972 +(% style="background-color:#dcdcdc" %)AT+NJM=0 (%%) Set to ABP mode
1973 +(% style="background-color:#dcdcdc" %)AT+ADR=0 (%%) Set the Adaptive Data Rate Off
1974 +(% style="background-color:#dcdcdc" %)AT+DR=5 (%%) Set Data Rate (Set AT+DR=3 for 915 band)
1975 +(% style="background-color:#dcdcdc" %)AT+TDC=60000 (%%) Set transmit interval to 60 seconds
1976 +(% style="background-color:#dcdcdc" %)AT+CHS=868400000(%%)  Set transmit frequency to 868.4Mhz
1977 +(% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%)  Set Device Address to 26 01 1A F1
1978 +(% style="background-color:#dcdcdc" %)ATZ        (%%) Reset MCU
1858 1858  )))
1859 1859  
1981 +
1860 1860  (((
1861 1861  As shown in below:
1862 1862  )))
... ... @@ -1873,11 +1873,11 @@
1873 1873  == 5.5 Can i use point to point communication for LT-22222-L? ==
1874 1874  
1875 1875  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]
1876 -
1877 -
1878 1878  )))
1879 1879  
1880 1880  (((
2001 +
2002 +
1881 1881  = 6. Trouble Shooting =
1882 1882  )))
1883 1883  
... ... @@ -1889,11 +1889,11 @@
1889 1889  
1890 1890  (((
1891 1891  Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1892 -
1893 -
1894 1894  )))
1895 1895  
1896 1896  (((
2017 +
2018 +
1897 1897  == 6.2 Have trouble to upload image. ==
1898 1898  )))
1899 1899  
... ... @@ -1903,9 +1903,7 @@
1903 1903  
1904 1904  (((
1905 1905  
1906 -)))
1907 1907  
1908 -(((
1909 1909  == 6.3 Why I can’t join TTN in US915 /AU915 bands? ==
1910 1910  )))
1911 1911  
... ... @@ -1913,147 +1913,55 @@
1913 1913  It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1914 1914  )))
1915 1915  
1916 -(((
1917 -
1918 -)))
1919 1919  
1920 -(((
2037 +
1921 1921  = 7. Order Info =
1922 -)))
1923 1923  
1924 -(((
1925 -(((
2040 +
1926 1926  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
1927 -)))
1928 -)))
1929 1929  
1930 -(((
1931 -(((
2043 +
1932 1932  (% style="color:#4f81bd" %)**XXX:**
1933 -)))
1934 -)))
1935 1935  
1936 -(((
1937 -* (((
1938 -(% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1939 -)))
1940 -)))
2046 +* (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
2047 +* (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
2048 +* (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
2049 +* (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
2050 +* (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
2051 +* (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
2052 +* (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
2053 +* (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
2054 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1941 1941  
1942 -(((
1943 -* (((
1944 -(% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1945 -)))
1946 -)))
1947 -
1948 -(((
1949 -* (((
1950 -(% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1951 -)))
1952 -)))
1953 -
1954 -(((
1955 -* (((
1956 -(% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1957 -)))
1958 -)))
1959 -
1960 -(((
1961 -* (((
1962 -(% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1963 -)))
1964 -)))
1965 -
1966 -(((
1967 -* (((
1968 -(% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1969 -)))
1970 -)))
1971 -
1972 -(((
1973 -* (((
1974 -(% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1975 -)))
1976 -)))
1977 -
1978 -(((
1979 -* (((
1980 -(% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1981 -)))
1982 -)))
1983 -
1984 -(((
1985 -* (((
1986 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1987 -
1988 -
1989 -)))
1990 -
1991 1991  = 8. Packing Info =
1992 -)))
1993 1993  
1994 -(((
1995 -(((
2058 +
1996 1996  **Package Includes**:
1997 -)))
1998 -)))
1999 1999  
2000 -(((
2001 -(((
2002 2002  * LT-22222-L I/O Controller x 1
2003 2003  * Stick Antenna for LoRa RF part x 1
2004 2004  * Bracket for controller x1
2005 2005  * Program cable x 1
2006 -)))
2007 -)))
2008 2008  
2009 -(((
2010 -(((
2011 2011  **Dimension and weight**:
2012 -)))
2013 -)))
2014 2014  
2015 -(((
2016 -(((
2017 2017  * Device Size: 13.5 x 7 x 3 cm
2018 2018  * Device Weight: 105g
2019 2019  * Package Size / pcs : 14.5 x 8 x 5 cm
2020 2020  * Weight / pcs : 170g
2021 2021  
2022 -
2023 -)))
2024 -)))
2025 -
2026 -(((
2027 2027  = 9. Support =
2028 -)))
2029 2029  
2030 2030  * (((
2031 -(((
2032 2032  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.
2033 2033  )))
2034 -)))
2035 2035  * (((
2036 -(((
2037 -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
2079 +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]]
2038 2038  )))
2039 -)))
2040 2040  
2041 -(((
2042 -(((
2043 - [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2044 -
2045 -
2046 -)))
2047 -
2048 -(((
2049 2049  = 10. Reference​​​​​ =
2050 2050  
2051 -* Product Page:
2052 -
2053 -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]]
2054 -
2084 +* 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]]
2055 2055  * [[Image Download>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]
2056 2056  * [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
2057 2057  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2058 -)))
2059 -)))

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