<
From version < 82.2 >
edited by Xiaoling
on 2022/06/20 11:16
To version < 77.64 >
edited by Xiaoling
on 2022/06/10 09:17
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -19,8 +19,6 @@
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
22 -
23 -
24 24  The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
25 25  )))
26 26  
... ... @@ -50,7 +50,6 @@
50 50  
51 51  )))
52 52  
53 -
54 54  == 1.2  Specifications ==
55 55  
56 56  (((
... ... @@ -79,8 +79,6 @@
79 79  )))
80 80  
81 81  (((
82 -
83 -
84 84  **Interface for Model: LT22222-L:**
85 85  )))
86 86  
... ... @@ -104,8 +104,6 @@
104 104  )))
105 105  
106 106  (((
107 -
108 -
109 109  **LoRa Spec:**
110 110  )))
111 111  
... ... @@ -165,6 +165,8 @@
165 165  )))
166 166  * (((
167 167  Packet engine up to 256 bytes with CRC.
161 +
162 +
168 168  )))
169 169  
170 170  == 1.3 Features ==
... ... @@ -221,9 +221,12 @@
221 221  
222 222  (((
223 223  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.
219 +
220 +
224 224  )))
225 225  
226 226  
224 +
227 227  == 3.2 Example to join LoRaWAN network ==
228 228  
229 229  (((
... ... @@ -232,13 +232,12 @@
232 232  
233 233  [[image:image-20220523172350-1.png||height="266" width="864"]]
234 234  
235 -
236 236  (((
237 237  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:
238 238  )))
239 239  
240 240  (((
241 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LT IO controller.
238 +**Step 1**: Create a device in TTN with the OTAA keys from LT IO controller.
242 242  )))
243 243  
244 244  (((
... ... @@ -247,7 +247,6 @@
247 247  
248 248  [[image:1653297924498-393.png]]
249 249  
250 -
251 251  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
252 252  
253 253  Add APP EUI in the application.
... ... @@ -261,7 +261,7 @@
261 261  
262 262  
263 263  (((
264 -(% 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.
260 +**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.
265 265  )))
266 266  
267 267  [[image:1653298044601-602.png||height="405" width="709"]]
... ... @@ -286,8 +286,6 @@
286 286  [[image:image-20220523174024-3.png]]
287 287  
288 288  (((
289 -
290 -
291 291  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
292 292  )))
293 293  
... ... @@ -301,7 +301,6 @@
301 301  
302 302  For example if payload is: [[image:image-20220523175847-2.png]]
303 303  
304 -
305 305  **The value for the interface is:  **
306 306  
307 307  AVI1 channel voltage is 0x04AB/1000=1195(DEC)/1000=1.195V
... ... @@ -334,7 +334,6 @@
334 334  
335 335  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
336 336  
337 -
338 338  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
339 339  
340 340  (((
... ... @@ -343,7 +343,6 @@
343 343  
344 344  [[image:image-20220523180452-3.png]]
345 345  
346 -
347 347  (((
348 348  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
349 349  )))
... ... @@ -359,8 +359,6 @@
359 359  )))
360 360  
361 361  (((
362 -
363 -
364 364  **To use counting mode, please run:**
365 365  )))
366 366  
... ... @@ -379,8 +379,6 @@
379 379  )))
380 380  
381 381  (((
382 -
383 -
384 384  (% style="color:#4f81bd" %)**AT Commands for counting:**
385 385  )))
386 386  
... ... @@ -472,6 +472,8 @@
472 472  
473 473  (((
474 474  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
462 +
463 +
475 475  )))
476 476  
477 477  
... ... @@ -478,7 +478,6 @@
478 478  
479 479  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
480 480  
481 -
482 482  **LT22222-L**: This mode the DI1 is used as a counting pin.
483 483  
484 484  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.
... ... @@ -485,7 +485,6 @@
485 485  
486 486  [[image:image-20220523181903-8.png]]
487 487  
488 -
489 489  (((
490 490  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
491 491  )))
... ... @@ -501,8 +501,6 @@
501 501  )))
502 502  
503 503  (((
504 -
505 -
506 506  **To use this mode, please run:**
507 507  )))
508 508  
... ... @@ -529,8 +529,6 @@
529 529  )))
530 530  
531 531  (((
532 -
533 -
534 534  **Plus below command for AVI1 Counting:**
535 535  )))
536 536  
... ... @@ -566,14 +566,11 @@
566 566  
567 567  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
568 568  
569 -
570 570  **LT22222-L**: This mode the DI1 is used as a counting pin.
571 571  
572 572  [[image:image-20220523182334-9.png]]
573 573  
574 574  (((
575 -
576 -
577 577  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
578 578  )))
579 579  
... ... @@ -588,8 +588,6 @@
588 588  )))
589 589  
590 590  (((
591 -
592 -
593 593  **To use this mode, please run:**
594 594  )))
595 595  
... ... @@ -609,6 +609,8 @@
609 609  
610 610  (((
611 611  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
590 +
591 +
612 612  )))
613 613  
614 614  
... ... @@ -615,7 +615,6 @@
615 615  
616 616  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
617 617  
618 -
619 619  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
620 620  
621 621  For example, if user has configured below commands:
... ... @@ -641,7 +641,6 @@
641 641  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
642 642  
643 643  
644 -
645 645  (% style="color:#4f81bd" %)**Trigger base on current**:
646 646  
647 647  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -651,7 +651,6 @@
651 651  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
652 652  
653 653  
654 -
655 655  (% style="color:#4f81bd" %)**Trigger base on DI status**:
656 656  
657 657  DI status trigger Flag.
... ... @@ -658,13 +658,12 @@
658 658  
659 659  Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >
660 660  
661 -
662 662  **Example:**
663 663  
664 664  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
665 665  
666 666  
667 -**Downlink Command to set Trigger Condition:**
643 +**Downlink Command to set Trigger Condition**
668 668  
669 669  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
670 670  
... ... @@ -682,18 +682,14 @@
682 682  
683 683   Yy4 yy4: AC2 or AV2 high limit.
684 684  
685 -
686 686  **Example1**: AA 00 13 88 00 00 00 00 00 00
687 687  
688 688  Same as AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
689 689  
690 -
691 691  **Example2**: AA 02 01 00
692 692  
693 693  Same as AT+ DTRI =1,0  (Enable DI1 trigger / disable DI2 trigger)
694 694  
695 -
696 -
697 697  (% style="color:#4f81bd" %)**Trigger Settings Payload Explanation:**
698 698  
699 699  MOD6 Payload : total 11 bytes payload
... ... @@ -700,7 +700,6 @@
700 700  
701 701  [[image:image-20220524085923-1.png]]
702 702  
703 -
704 704  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
705 705  
706 706  [[image:image-20220524090106-2.png]]
... ... @@ -749,8 +749,6 @@
749 749  === 3.3.7 Payload Decoder ===
750 750  
751 751  (((
752 -
753 -
754 754  **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/]]
755 755  
756 756  
... ... @@ -757,6 +757,7 @@
757 757  )))
758 758  
759 759  
729 +
760 760  == 3.4 ​Configure LT via AT or Downlink ==
761 761  
762 762  User can configure LT I/O Controller via AT Commands or LoRaWAN Downlink Commands
... ... @@ -790,7 +790,6 @@
790 790  
791 791  **Example: **AT+TDC=30000. Means set interval to 30 seconds
792 792  
793 -
794 794  * Downlink Payload (prefix 0x01):
795 795  
796 796  (% class="box infomessage" %)
... ... @@ -813,7 +813,6 @@
813 813  
814 814  **Example**: AT+MOD=2. Set work mode to Double DI counting mode
815 815  
816 -
817 817  * Downlink Payload (prefix 0x0A):
818 818  
819 819  (% class="box infomessage" %)
... ... @@ -829,7 +829,6 @@
829 829  
830 830  There is no AT Command to poll uplink
831 831  
832 -
833 833  * Downlink Payload (prefix 0x08):
834 834  
835 835  (% class="box infomessage" %)
... ... @@ -856,7 +856,6 @@
856 856  
857 857  0: Disable Trigger Mode
858 858  
859 -
860 860  * Downlink Payload (prefix 0x0A 06):
861 861  
862 862  (% class="box infomessage" %)
... ... @@ -874,7 +874,6 @@
874 874  
875 875  There is no AT Command for this feature.
876 876  
877 -
878 878  * Downlink Payload (prefix 0x AB 06):
879 879  
880 880  (% class="box infomessage" %)
... ... @@ -895,7 +895,6 @@
895 895  **Format: AT+DTRI=<DI1_TIRGGER_FlAG>,< DI2_TIRGGER_FlAG >**
896 896  )))
897 897  
898 -
899 899  **Example:**
900 900  
901 901  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
... ... @@ -924,12 +924,10 @@
924 924  
925 925  b : delay timing.
926 926  
927 -
928 928  **Example:**
929 929  
930 930  AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms )
931 931  
932 -
933 933  * Downlink Payload (prefix 0x09 01 ):
934 934  
935 935  (% class="box infomessage" %)
... ... @@ -954,12 +954,10 @@
954 954  
955 955  b : delay timing.
956 956  
957 -
958 958  **Example:**
959 959  
960 960  AT+TRIG2=0,100(set DI1 port to trigger on low level, valid signal is 100ms )
961 961  
962 -
963 963  * Downlink Payload (prefix 0x09 02 ):
964 964  
965 965  (% class="box infomessage" %)
... ... @@ -980,7 +980,6 @@
980 980  **AT+ACLIM. **
981 981  )))
982 982  
983 -
984 984  * Downlink Payload (prefix 0xAA 01 ):
985 985  
986 986  (% class="box infomessage" %)
... ... @@ -1001,7 +1001,6 @@
1001 1001  **AT+AVLIM. See [[trigger mode>>||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**
1002 1002  )))
1003 1003  
1004 -
1005 1005  * Downlink Payload (prefix 0xAA 00 ):
1006 1006  
1007 1007  (% class="box infomessage" %)
... ... @@ -1022,7 +1022,6 @@
1022 1022  **AT+ATDC=5. Device won’t response the second trigger within 5 minute after the first trigger.**
1023 1023  )))
1024 1024  
1025 -
1026 1026  * Downlink Payload (prefix 0xAC ):
1027 1027  
1028 1028  (% class="box infomessage" %)
... ... @@ -1038,7 +1038,6 @@
1038 1038  
1039 1039  There is no AT Command to control Digital Output
1040 1040  
1041 -
1042 1042  * Downlink Payload (prefix 0x02):
1043 1043  
1044 1044  (% class="box infomessage" %)
... ... @@ -1072,7 +1072,6 @@
1072 1072  
1073 1073  There is no AT Command to control Digital Output
1074 1074  
1075 -
1076 1076  * Downlink Payload (prefix 0xA9):
1077 1077  
1078 1078  (% class="box infomessage" %)
... ... @@ -1092,22 +1092,18 @@
1092 1092  
1093 1093  00: DO pins will change to an inverter state after timeout 
1094 1094  
1095 -
1096 1096  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1097 1097  
1098 1098  [[image:image-20220524093238-6.png]]
1099 1099  
1100 -
1101 1101  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1102 1102  
1103 1103  [[image:image-20220524093328-7.png]]
1104 1104  
1105 -
1106 1106  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1107 1107  
1108 1108  [[image:image-20220524093351-8.png]]
1109 1109  
1110 -
1111 1111  (% style="color:#4f81bd" %)**Sixth and Seventh Byte**:
1112 1112  
1113 1113   Latching time. Unit: ms
... ... @@ -1114,7 +1114,6 @@
1114 1114  
1115 1115  Device will upload a packet if downlink code executes successfully.
1116 1116  
1117 -
1118 1118  **Example payload:**
1119 1119  
1120 1120  **~1. A9 01 01 01 01 07 D0**
... ... @@ -1135,13 +1135,12 @@
1135 1135  
1136 1136  
1137 1137  
1138 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1088 +=== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ===
1139 1139  
1140 1140  * AT Command:
1141 1141  
1142 1142  There is no AT Command to control Relay Output
1143 1143  
1144 -
1145 1145  * Downlink Payload (prefix 0x03):
1146 1146  
1147 1147  (% class="box infomessage" %)
... ... @@ -2000,16 +2000,8 @@
2000 2000  )))
2001 2001  
2002 2002  (((
2003 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
1952 +
2004 2004  
2005 -If the device is not shut down, but directly powered off.
2006 -
2007 -It will default that this is a power-off state.
2008 -
2009 -In modes 2 to 5, DO RO status and pulse count are saved in flash.
2010 -
2011 -After restart, the status before power failure will be read from flash.
2012 -
2013 2013  = 6. Trouble Shooting =
2014 2014  )))
2015 2015  
Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0