Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.13 >
edited by Xiaoling
on 2022/06/01 17:35
To version < 66.23 >
edited by Xiaoling
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Summary

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... ... @@ -16,7 +16,7 @@
16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
19 -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.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -41,8 +41,6 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 -
45 -
46 46  )))
47 47  
48 48  == 1.2  Specifications ==
... ... @@ -153,8 +153,6 @@
153 153  )))
154 154  * (((
155 155  Packet engine up to 256 bytes with CRC.
156 -
157 -
158 158  )))
159 159  
160 160  == 1.3 Features ==
... ... @@ -167,8 +167,6 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 -
171 -
172 172  == 1.4  Applications ==
173 173  
174 174  * Smart Buildings & Home Automation
... ... @@ -178,8 +178,6 @@
178 178  * Smart Cities
179 179  * Smart Factory
180 180  
181 -
182 -
183 183  == 1.5 Hardware Variants ==
184 184  
185 185  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -193,8 +193,6 @@
193 193  * 1 x Counting Port
194 194  )))
195 195  
196 -
197 -
198 198  = 2. Power ON Device =
199 199  
200 200  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.
... ... @@ -205,7 +205,6 @@
205 205  
206 206  [[image:1653297104069-180.png]]
207 207  
208 -
209 209  = 3. Operation Mode =
210 210  
211 211  == 3.1 How it works? ==
... ... @@ -215,13 +215,13 @@
215 215  )))
216 216  
217 217  (((
218 -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.
207 +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>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices.
208 +)))
219 219  
220 -
210 +(((
211 +3.2 Example to join LoRaWAN network
221 221  )))
222 222  
223 -== 3.2 Example to join LoRaWAN network ==
224 -
225 225  (((
226 226  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. 
227 227  )))
... ... @@ -228,6 +228,7 @@
228 228  
229 229  [[image:image-20220523172350-1.png||height="266" width="864"]]
230 230  
220 +
231 231  (((
232 232  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:
233 233  )))
... ... @@ -248,12 +248,10 @@
248 248  
249 249  [[image:1653297955910-247.png||height="321" width="716"]]
250 250  
251 -
252 252  Add APP KEY and DEV EUI
253 253  
254 254  [[image:1653298023685-319.png]]
255 255  
256 -
257 257  (((
258 258  **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.
259 259  )))
... ... @@ -260,7 +260,6 @@
260 260  
261 261  [[image:1653298044601-602.png||height="405" width="709"]]
262 262  
263 -
264 264  == 3.3 Uplink Payload ==
265 265  
266 266  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -272,8 +272,6 @@
272 272  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
273 273  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
274 274  
275 -
276 -
277 277  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
278 278  
279 279  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -324,8 +324,6 @@
324 324  ** DO1 is high in case there is load between DO1 and V+.
325 325  ** DO1 LED is off in both case
326 326  
327 -
328 -
329 329  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
330 330  
331 331  **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins.
... ... @@ -418,7 +418,6 @@
418 418  )))
419 419  )))
420 420  
421 -
422 422  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
423 423  
424 424  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -435,34 +435,22 @@
435 435  * FIRST: Indicate this is the first packet after join network.
436 436  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
437 437  
438 -(((
439 439  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
440 -)))
441 441  
442 -(((
443 443  **To use counting mode, please run:**
444 -)))
445 445  
446 446  (% class="box infomessage" %)
447 447  (((
448 -(((
449 449  **AT+MOD=3**
450 450  )))
451 -)))
452 452  
453 453  (% class="box infomessage" %)
454 454  (((
455 -(((
456 456  **ATZ**
457 457  )))
458 -)))
459 459  
460 -(((
461 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
434 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
462 462  
463 -
464 -)))
465 -
466 466  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
467 467  
468 468  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -481,69 +481,45 @@
481 481  * FIRST: Indicate this is the first packet after join network.
482 482  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
483 483  
484 -(((
485 485  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
486 -)))
487 487  
488 -(((
489 489  **To use this mode, please run:**
490 -)))
491 491  
492 492  (% class="box infomessage" %)
493 493  (((
494 -(((
495 495  **AT+MOD=4**
496 496  )))
497 -)))
498 498  
499 499  (% class="box infomessage" %)
500 500  (((
501 -(((
502 502  **ATZ**
503 503  )))
504 -)))
505 505  
506 -(((
507 -
508 -)))
509 509  
510 -(((
511 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
512 -)))
469 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
513 513  
514 -(((
515 515  **Plus below command for AVI1 Counting:**
516 -)))
517 517  
518 518  (% class="box infomessage" %)
519 519  (((
520 -(((
521 521  **AT+SETCNT=3,60   (set AVI Count to 60)**
522 522  )))
523 -)))
524 524  
525 525  (% class="box infomessage" %)
526 526  (((
527 -(((
528 528  **AT+VOLMAX=20000   (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)**
529 529  )))
530 -)))
531 531  
532 532  (% class="box infomessage" %)
533 533  (((
534 -(((
535 535  **AT+VOLMAX=20000,0   (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)**
536 536  )))
537 -)))
538 538  
539 539  (% class="box infomessage" %)
540 540  (((
541 -(((
542 542  **AT+VOLMAX=20000,1   (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)**
543 543  )))
544 -)))
545 545  
546 -
547 547  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
548 548  
549 549  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -556,38 +556,24 @@
556 556  
557 557  * RO is for relay. ROx=1 : close，ROx=0 always open.
558 558  * FIRST: Indicate this is the first packet after join network.
559 -* (((
560 -DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
561 -)))
505 +* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
562 562  
563 -(((
564 564  (% style="color:red" %)Note: DO3 is not valid for LT-22222-L.
565 -)))
566 566  
567 -(((
568 568  **To use this mode, please run:**
569 -)))
570 570  
571 571  (% class="box infomessage" %)
572 572  (((
573 -(((
574 574  **AT+MOD=5**
575 575  )))
576 -)))
577 577  
578 578  (% class="box infomessage" %)
579 579  (((
580 -(((
581 581  **ATZ**
582 582  )))
583 -)))
584 584  
585 -(((
586 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
521 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]].
587 587  
588 -
589 -)))
590 -
591 591  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
592 592  
593 593  (% style="color:#4f81bd" %)**This mode is an optional mode for trigger purpose. It can run together with other mode.**
... ... @@ -614,7 +614,6 @@
614 614  
615 615  AT+AVLIM=5000,0,0,0   (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore)
616 616  
617 -
618 618  (% style="color:#4f81bd" %)**Trigger base on current**:
619 619  
620 620  Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH>
... ... @@ -623,7 +623,6 @@
623 623  
624 624  AT+ACLIM=10000,15000,0,0   (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink)
625 625  
626 -
627 627  (% style="color:#4f81bd" %)**Trigger base on DI status**:
628 628  
629 629  DI status trigger Flag.
... ... @@ -710,13 +710,10 @@
710 710  
711 711  When device got this command, it will send the MOD6 payload.
712 712  
713 -
714 714  === 3.3.7 Payload Decoder ===
715 715  
716 716  (((
717 717  **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/]]
718 -
719 -
720 720  )))
721 721  
722 722  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -727,15 +727,14 @@
727 727  There are two kinds of Commands:
728 728  )))
729 729  
730 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
657 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
731 731  
732 732  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
733 733  
734 734  === 3.4.1 Common Commands ===
735 735  
736 -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]]
663 +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>>http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
737 737  
738 -
739 739  === 3.4.2 Sensor related commands ===
740 740  
741 741  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -758,7 +758,6 @@
758 758  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
759 759  )))
760 760  
761 -
762 762  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
763 763  
764 764  Set work mode.
... ... @@ -779,7 +779,6 @@
779 779  **0x0A aa     ~/~/ Same as AT+MOD=aa**
780 780  )))
781 781  
782 -
783 783  ==== 3.4.2.3 Poll an uplink ====
784 784  
785 785  * AT Command:
... ... @@ -795,7 +795,6 @@
795 795  
796 796  **Example**: 0x08FF, ask device to send an Uplink
797 797  
798 -
799 799  ==== 3.4.2.4 Enable Trigger Mode ====
800 800  
801 801  Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
... ... @@ -818,7 +818,6 @@
818 818  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
819 819  )))
820 820  
821 -
822 822  ==== 3.4.2.5 Poll trigger settings ====
823 823  
824 824  Poll trigger settings,
... ... @@ -834,7 +834,6 @@
834 834  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
835 835  )))
836 836  
837 -
838 838  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
839 839  
840 840  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -857,7 +857,6 @@
857 857  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
858 858  )))
859 859  
860 -
861 861  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
862 862  
863 863  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -884,7 +884,6 @@
884 884  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
885 885  )))
886 886  
887 -
888 888  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
889 889  
890 890  Set DI2 trigger.
... ... @@ -911,7 +911,6 @@
911 911  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
912 912  )))
913 913  
914 -
915 915  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
916 916  
917 917  Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
... ... @@ -930,7 +930,6 @@
930 930  **0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
931 931  )))
932 932  
933 -
934 934  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
935 935  
936 936  Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
... ... @@ -949,7 +949,6 @@
949 949  **0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
950 950  )))
951 951  
952 -
953 953  ==== 3.4.2.11 Trigger – Set minimum interval ====
954 954  
955 955  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -968,7 +968,6 @@
968 968  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
969 969  )))
970 970  
971 -
972 972  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
973 973  
974 974  * AT Command:
... ... @@ -1011,10 +1011,8 @@
1011 1011  
1012 1012  (% class="box infomessage" %)
1013 1013  (((
1014 -(((
1015 1015  **0xA9 aa bb cc     ~/~/ Set DO1/DO2/DO3 output with time control**
1016 1016  )))
1017 -)))
1018 1018  
1019 1019  This is to control the digital output time of DO pin. Include four bytes:
1020 1020  
... ... @@ -1159,7 +1159,6 @@
1159 1159  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1160 1160  )))
1161 1161  
1162 -
1163 1163  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1164 1164  
1165 1165  * AT Command:
... ... @@ -1184,7 +1184,6 @@
1184 1184  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1185 1185  )))
1186 1186  
1187 -
1188 1188  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1189 1189  
1190 1190  Clear counting for counting mode
... ... @@ -1203,7 +1203,6 @@
1203 1203  **0x A6 01     ~/~/ clear all counting,**
1204 1204  )))
1205 1205  
1206 -
1207 1207  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1208 1208  
1209 1209  * AT Command:
... ... @@ -1220,28 +1220,21 @@
1220 1220  **0x A7 aa bb cc     ~/~/ same as AT+COUTIME =aa bb cc,**
1221 1221  )))
1222 1222  
1223 -(((
1224 1224  range: aa bb cc:0 to 16777215,  (unit:second)
1225 1225  
1226 -
1227 -)))
1228 -
1229 1229  == 3.5 Integrate with Mydevice ==
1230 1230  
1231 1231  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:
1232 1232  
1233 -(((
1234 1234  **Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
1235 -)))
1236 1236  
1237 -(((
1238 1238  **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:
1239 -)))
1240 1240  
1241 1241  [[image:1653356737703-362.png||height="232" width="732"]]
1242 1242  
1243 1243  [[image:image-20220524094641-11.png||height="390" width="723"]]
1244 1244  
1147 +
1245 1245  [[image:image-20220524094641-12.png||height="402" width="718"]]
1246 1246  
1247 1247  **Step 3**: Create an account or log in Mydevices.
... ... @@ -1252,7 +1252,6 @@
1252 1252  
1253 1253  [[image:1653356838789-523.png||height="337" width="740"]]
1254 1254  
1255 -
1256 1256  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1257 1257  
1258 1258  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1265,7 +1265,6 @@
1265 1265  
1266 1266  [[image:image-20220524094909-5.png||height="341" width="734"]]
1267 1267  
1268 -
1269 1269  == 3.6 Interface Detail ==
1270 1270  
1271 1271  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1274,7 +1274,6 @@
1274 1274  
1275 1275  [[image:1653356991268-289.png]]
1276 1276  
1277 -
1278 1278  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1279 1279  
1280 1280  (((
... ... @@ -1290,105 +1290,51 @@
1290 1290  [[image:1653357170703-587.png]]
1291 1291  
1292 1292  (((
1293 -(((
1294 1294  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1295 1295  )))
1296 -)))
1297 1297  
1298 -(((
1299 -
1300 -)))
1301 1301  
1302 -(((
1303 1303  **Example1**: Connect to a Low active sensor.
1304 -)))
1305 1305  
1306 -(((
1307 1307  This type of sensor will output a low signal GND when active.
1308 -)))
1309 1309  
1310 -* (((
1311 -Connect sensor’s output to DI1-
1312 -)))
1313 -* (((
1314 -Connect sensor’s VCC to DI1+.
1315 -)))
1201 +* Connect sensor’s output to DI1-
1202 +* Connect sensor’s VCC to DI1+.
1316 1316  
1317 -(((
1318 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1319 -)))
1204 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1320 1320  
1321 -(((
1322 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1323 -)))
1206 + //IF// = DI1+ / 1K.
1324 1324  
1325 -(((
1326 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1327 -)))
1208 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1328 1328  
1329 -(((
1330 -
1331 -)))
1332 1332  
1333 -(((
1334 1334  **Example2**: Connect to a High active sensor.
1335 -)))
1336 1336  
1337 -(((
1338 1338  This type of sensor will output a high signal (example 24v) when active.
1339 -)))
1340 1340  
1341 -* (((
1342 -Connect sensor’s output to DI1+
1343 -)))
1344 -* (((
1345 -Connect sensor’s GND DI1-.
1346 -)))
1215 +* Connect sensor’s output to DI1+
1216 +* Connect sensor’s GND DI1-.
1347 1347  
1348 -(((
1349 1349  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1350 -)))
1351 1351  
1352 -(((
1353 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1354 -)))
1220 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1355 1355  
1356 -(((
1357 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1358 -)))
1222 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1359 1359  
1360 -(((
1361 -
1362 -)))
1363 1363  
1364 -(((
1365 1365  **Example3**: Connect to a 220v high active sensor.
1366 -)))
1367 1367  
1368 -(((
1369 1369  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1370 -)))
1371 1371  
1372 -* (((
1373 -Connect sensor’s output to DI1+ with a serial 50K resistor
1374 -)))
1375 -* (((
1376 -Connect sensor’s GND DI1-.
1377 -)))
1229 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1230 +* Connect sensor’s GND DI1-.
1378 1378  
1379 -(((
1380 1380  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1381 -)))
1382 1382  
1383 -(((
1384 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1385 -)))
1234 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]][[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1386 1386  
1387 -(((
1388 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1389 -)))
1236 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1390 1390  
1391 -
1392 1392  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1393 1393  
1394 1394  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1395,7 +1395,6 @@
1395 1395  
1396 1396  [[image:1653357531600-905.png]]
1397 1397  
1398 -
1399 1399  === 3.6.4 Analog Input Interface ===
1400 1400  
1401 1401  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:
... ... @@ -1423,7 +1423,6 @@
1423 1423  
1424 1424  [[image:1653357648330-671.png||height="155" width="733"]]
1425 1425  
1426 -
1427 1427  === 3.6.5 Relay Output ===
1428 1428  
1429 1429  (((
... ... @@ -1434,12 +1434,10 @@
1434 1434  
1435 1435  [[image:image-20220524100215-10.png||height="382" width="723"]]
1436 1436  
1437 -
1438 1438  == 3.7 LEDs Indicators ==
1439 1439  
1440 1440  [[image:image-20220524100748-11.png]]
1441 1441  
1442 -
1443 1443  = 4. Use AT Command =
1444 1444  
1445 1445  == 4.1 Access AT Command ==
... ... @@ -1448,15 +1448,11 @@
1448 1448  
1449 1449  [[image:1653358238933-385.png]]
1450 1450  
1451 -(((
1452 1452  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:
1453 -)))
1454 1454  
1455 1455  [[image:1653358355238-883.png]]
1456 1456  
1457 -(((
1458 1458  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/]]
1459 -)))
1460 1460  
1461 1461  (((
1462 1462  AT+<CMD>?        : Help on <CMD>
... ... @@ -1640,8 +1640,6 @@
1640 1640  
1641 1641  (((
1642 1642  AT+CFG: Print all settings
1643 -
1644 -
1645 1645  )))
1646 1646  
1647 1647  == 4.2 Common AT Command Sequence ==
... ... @@ -1683,8 +1683,6 @@
1683 1683  
1684 1684  (((
1685 1685  (% style="background-color:#dcdcdc" %)ATZ
1686 -
1687 -
1688 1688  )))
1689 1689  
1690 1690  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1766,7 +1766,6 @@
1766 1766  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1767 1767  ATZ
1768 1768  
1769 -
1770 1770  = 5. FAQ =
1771 1771  
1772 1772  == 5.1 How to upgrade the image? ==
... ... @@ -1779,13 +1779,11 @@
1779 1779  Below shows the hardware connection for how to upload an image to the LT:
1780 1780  * [[image:1653359603330-121.png]]
1781 1781  
1782 -(((
1783 1783  **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]].
1784 1784  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1785 1785  **Step3: **Open flashloader; choose the correct COM port to update.
1786 1786  **For LT-22222-L**:
1787 1787  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.
1788 -)))
1789 1789  
1790 1790   [[image:image-20220524103407-12.png]]
1791 1791  
... ... @@ -1797,7 +1797,6 @@
1797 1797  
1798 1798  [[image:1653360054704-518.png||height="186" width="745"]]
1799 1799  
1800 -
1801 1801  (((
1802 1802  (((
1803 1803  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1805,9 +1805,7 @@
1805 1805  )))
1806 1806  
1807 1807  (((
1808 -User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1809 -
1810 -
1638 +User can follow the introduction for [[how to upgrade image>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.
1811 1811  )))
1812 1812  
1813 1813  (((
... ... @@ -1834,15 +1834,10 @@
1834 1834  [[image:1653360231087-571.png||height="401" width="727"]]
1835 1835  )))
1836 1836  
1837 -(((
1838 1838  (% 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.
1839 -)))
1840 1840  
1841 -(((
1842 1842  (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands:
1843 -)))
1844 1844  
1845 -(((
1846 1846  (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access.
1847 1847  (% style="background-color:#dcdcdc" %)AT+FDR  (%%) Reset Parameters to Factory Default, Keys Reserve
1848 1848  (% style="background-color:#dcdcdc" %)123456  (%%) Enter Password to have AT access.
... ... @@ -1853,25 +1853,19 @@
1853 1853  (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz
1854 1854  (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1
1855 1855  (% style="background-color:#dcdcdc" %)ATZ                (%%)Reset MCU
1856 -)))
1857 1857  
1858 -(((
1859 1859  As shown in below:
1860 -)))
1861 1861  
1862 1862  [[image:1653360498588-932.png||height="485" width="726"]]
1863 1863  
1864 -
1865 1865  == 5.4 Can I see counting event in Serial? ==
1866 1866  
1867 1867  (((
1868 1868  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.
1869 -
1870 -
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -= 6. Trouble Shooting =
1691 += 6. Trouble Shooting =
1875 1875  )))
1876 1876  
1877 1877  (((
... ... @@ -1881,21 +1881,25 @@
1881 1881  )))
1882 1882  
1883 1883  (((
1884 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1701 +Please see this link for how to debug:
1885 1885  
1886 -
1703 +[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]]
1887 1887  )))
1888 1888  
1889 1889  (((
1707 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1708 +)))
1709 +
1710 +(((
1890 1890  == 6.2 Have trouble to upload image. ==
1891 1891  )))
1892 1892  
1893 1893  (((
1894 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1715 +See this link for trouble shooting:
1895 1895  )))
1896 1896  
1897 1897  (((
1898 -
1719 +[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1899 1899  )))
1900 1900  
1901 1901  (((
... ... @@ -1903,11 +1903,11 @@
1903 1903  )))
1904 1904  
1905 1905  (((
1906 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1727 +It might be about the channels mapping. Please see this link for detail:
1907 1907  )))
1908 1908  
1909 1909  (((
1910 -
1731 +[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1911 1911  )))
1912 1912  
1913 1913  (((
... ... @@ -1926,61 +1926,34 @@
1926 1926  )))
1927 1927  )))
1928 1928  
1929 -(((
1930 1930  * (((
1931 1931  (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433
1932 1932  )))
1933 -)))
1934 -
1935 -(((
1936 1936  * (((
1937 1937  (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868
1938 1938  )))
1939 -)))
1940 -
1941 -(((
1942 1942  * (((
1943 1943  (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920
1944 1944  )))
1945 -)))
1946 -
1947 -(((
1948 1948  * (((
1949 1949  (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470
1950 1950  )))
1951 -)))
1952 -
1953 -(((
1954 1954  * (((
1955 1955  (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923
1956 1956  )))
1957 -)))
1958 -
1959 -(((
1960 1960  * (((
1961 1961  (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915
1962 1962  )))
1963 -)))
1964 -
1965 -(((
1966 1966  * (((
1967 1967  (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915
1968 1968  )))
1969 -)))
1970 -
1971 -(((
1972 1972  * (((
1973 1973  (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865
1974 1974  )))
1975 -)))
1976 1976  
1977 1977  (((
1978 -* (((
1979 -(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1776 +* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1980 1980  
1981 -
1982 -)))
1983 -
1984 1984  = 8. Packing Info =
1985 1985  )))
1986 1986  
... ... @@ -2011,8 +2011,6 @@
2011 2011  * Device Weight: 105g
2012 2012  * Package Size / pcs : 14.5 x 8 x 5 cm
2013 2013  * Weight / pcs : 170g
2014 -
2015 -
2016 2016  )))
2017 2017  )))
2018 2018  
... ... @@ -2034,8 +2034,6 @@
2034 2034  (((
2035 2035  (((
2036 2036   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2037 -
2038 -
2039 2039  )))
2040 2040  
2041 2041  (((
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