Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.11 >
edited by Xiaoling
on 2023/05/17 11:21
To version < 108.1 >
edited by Edwin Chen
on 2022/11/19 09:29
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -15,6 +15,7 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
30 +The LT I/O Controllers allows the user to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -176,17 +176,11 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 192  == 1.4  Applications ==
... ... @@ -193,26 +193,18 @@
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 -|(% style="background-color:#d9e2f3; color:#0070c0; width:103px" %)**Model**|(% style="background-color:#d9e2f3; color:#0070c0; width:131px" %)**Photo**|(% style="background-color:#d9e2f3; color:#0070c0; width:334px" %)**Description**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% style="width:334px" %)(((
202 +(% border="1" style="background-color:#f7faff; width:500px" %)
203 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
204 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -237,8 +237,10 @@
237 237  [[image:1653297104069-180.png]]
238 238  
239 239  
229 +
240 240  = 3. Operation Mode =
241 241  
232 +
242 242  == 3.1 How it works? ==
243 243  
244 244  
... ... @@ -251,6 +251,7 @@
251 251  )))
252 252  
253 253  
245 +
254 254  == 3.2 Example to join LoRaWAN network ==
255 255  
256 256  
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
272 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -302,6 +302,7 @@
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
297 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -318,38 +318,18 @@
318 318  
319 319  
320 320  (((
321 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
322 -
323 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
324 -|Size(bytes)(% style="display:none" %) |2|2|2|2|1|1|1
325 -|Value|(((
326 -AVI1
327 -voltage
328 -)))|(((
329 -AVI2
330 -voltage
331 -)))|(((
332 -ACI1
333 -Current
334 -)))|(((
335 -ACI2
336 -Current
337 -)))|DIDORO*|(((
338 -Reserve
339 -)))|MOD
314 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
340 340  )))
341 341  
317 +[[image:image-20220523174024-3.png]]
342 342  
343 343  (((
344 344  
345 345  
346 346  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347 -
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
349 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
351 351  )))
352 352  
325 +[[image:image-20220523174254-4.png]]
353 353  
354 354  * RO is for relay. ROx=1 : close，ROx=0 always open.
355 355  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -399,28 +399,18 @@
399 399  
400 400  (((
401 401  Total : 11 bytes payload
375 +)))
402 402  
403 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
404 -|Size(bytes)|4|4|1|1|1
405 -|Value|COUNT1|COUNT2 |DIDORO*|(((
406 -Reserve
377 +[[image:image-20220523180452-3.png]]
407 407  
408 -
409 -)))|MOD
410 -)))
411 411  
412 412  (((
413 -
414 -
415 415  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
416 -
417 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
418 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
419 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
420 -
421 -RO is for relay. ROx=1 : close，ROx=0 always open.
422 422  )))
423 423  
384 +[[image:image-20220523180506-4.png]]
385 +
386 +* RO is for relay. ROx=1 : close，ROx=0 always open.
424 424  * FIRST: Indicate this is the first packet after join network.
425 425  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
426 426  
... ... @@ -473,29 +473,21 @@
473 473  )))
474 474  
475 475  
439 +
476 476  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
477 477  
478 478  
479 479  **LT22222-L**: This mode the DI1 is used as a counting pin.
480 480  
481 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
482 -|Size(bytes)|4|2|2|1|1|1
483 -|Value|COUNT1|(((
484 -ACI1 Current
485 -)))|(((
486 -ACI2 Current
487 -)))|DIDORO*|Reserve|MOD
445 +[[image:image-20220523181246-5.png]]
488 488  
489 489  (((
490 490  
491 491  
492 492  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
493 -
494 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
495 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
496 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
497 497  )))
498 498  
453 +[[image:image-20220523181301-6.png]]
499 499  
500 500  * RO is for relay. ROx=1 : close，ROx=0 always open.
501 501  * FIRST: Indicate this is the first packet after join network.
... ... @@ -528,6 +528,7 @@
528 528  )))
529 529  
530 530  
486 +
531 531  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
532 532  
533 533  
... ... @@ -537,26 +537,16 @@
537 537  
538 538  (((
539 539  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.
540 -
541 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
542 -|Size(bytes)|4|4|1|1|1
543 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
544 -Reserve
545 -
546 -
547 -)))|MOD
548 548  )))
549 549  
498 +[[image:image-20220523181903-8.png]]
550 550  
551 551  
552 552  (((
553 553  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
554 -
555 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
556 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
557 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
558 558  )))
559 559  
505 +[[image:image-20220523181727-7.png]]
560 560  
561 561  * RO is for relay. ROx=1 : close，ROx=0 always open.
562 562  * FIRST: Indicate this is the first packet after join network.
... ... @@ -606,34 +606,18 @@
606 606  )))
607 607  
608 608  
555 +
609 609  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
610 610  
611 611  
612 612  **LT22222-L**: This mode the DI1 is used as a counting pin.
613 613  
614 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
615 -|Size(bytes)|2|2|2|2|1|1|1
616 -|Value|(((
617 -AVI1
618 -voltage
619 -)))|(((
620 -AVI2
621 -voltage
622 -)))|(((
623 -ACI1
624 -Current
625 -)))|COUNT1|DIDORO*|(((
626 -Reserve
627 -)))|MOD
561 +[[image:image-20220523182334-9.png]]
628 628  
629 629  (((
630 630  
631 631  
632 632  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
633 -
634 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
635 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
636 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
637 637  )))
638 638  
639 639  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -670,6 +670,7 @@
670 670  )))
671 671  
672 672  
603 +
673 673  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
674 674  
675 675  
... ... @@ -724,6 +724,7 @@
724 724  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
725 725  
726 726  
658 +
727 727  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
728 728  
729 729  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -758,51 +758,12 @@
758 758  
759 759  MOD6 Payload : total 11 bytes payload
760 760  
761 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
762 -|Size(bytes)|1|1|1|6|1|1
763 -|Value|(((
764 -TRI_A
765 -FLAG
766 -)))|(((
767 -TRI_A
768 -Status
769 -)))|(((
770 -TRI_DI
771 -FLAG+STA
772 -)))|Reserve|Enable/Disable MOD6|(((
773 -MOD
774 -(6)
775 -)))
693 +[[image:image-20220524085923-1.png]]
776 776  
695 +
777 777  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
778 778  
779 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
780 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
781 -|(((
782 -AV1_
783 -LOW
784 -)))|(((
785 -AV1_
786 -HIGH
787 -)))|(((
788 -AV2_
789 -LOW
790 -)))|(((
791 -AV2_
792 -HIGH
793 -)))|(((
794 -AC1_
795 -LOW
796 -)))|(((
797 -AC1_
798 -HIGH
799 -)))|(((
800 -AC2_
801 -LOW
802 -)))|(((
803 -AC2_
804 -HIGH
805 -)))
698 +[[image:image-20220524090106-2.png]]
806 806  
807 807  * Each bits shows if the corresponding trigger has been configured.
808 808  
... ... @@ -814,35 +814,8 @@
814 814  
815 815  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
816 816  
817 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
818 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
819 -|(((
820 -AV1_
821 -LOW
822 -)))|(((
823 -AV1_
824 -HIGH
825 -)))|(((
826 -AV2_
827 -LOW
828 -)))|(((
829 -AV2_
830 -HIGH
831 -)))|(((
832 -AC1_
833 -LOW
834 -)))|(((
835 -AC1_
836 -HIGH
837 -)))|(((
838 -AC2_
839 -LOW
840 -)))|(((
841 -AC2_
842 -HIGH
843 -)))
710 +[[image:image-20220524090249-3.png]]
844 844  
845 -
846 846  * Each bits shows which status has been trigger on this uplink.
847 847  
848 848  **Example:**
... ... @@ -850,11 +850,10 @@
850 850  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
851 851  
852 852  
719 +
853 853  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
854 854  
855 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
856 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
857 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
722 +[[image:image-20220524090456-4.png]]
858 858  
859 859  * Each bits shows which status has been trigger on this uplink.
860 860  
... ... @@ -865,6 +865,7 @@
865 865  00000101: Means both DI1 and DI2 trigger are enabled.
866 866  
867 867  
733 +
868 868  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
869 869  
870 870  Downlink command to poll MOD6 status:
... ... @@ -874,6 +874,7 @@
874 874  When device got this command, it will send the MOD6 payload.
875 875  
876 876  
743 +
877 877  === 3.3.7 Payload Decoder ===
878 878  
879 879  (((
... ... @@ -883,6 +883,7 @@
883 883  )))
884 884  
885 885  
753 +
886 886  == 3.4 ​Configure LT via AT or Downlink ==
887 887  
888 888  
... ... @@ -908,8 +908,10 @@
908 908  )))
909 909  
910 910  
779 +
911 911  === 3.4.2 Sensor related commands ===
912 912  
782 +
913 913  ==== 3.4.2.1 Set Transmit Interval ====
914 914  
915 915  
... ... @@ -985,6 +985,7 @@
985 985  
986 986  
987 987  
858 +
988 988  ==== 3.4.2.5 Poll trigger settings ====
989 989  
990 990  
... ... @@ -1067,7 +1067,7 @@
1067 1067  
1068 1068  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1069 1069  
1070 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
941 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
1071 1071  
1072 1072  
1073 1073  
... ... @@ -1142,14 +1142,9 @@
1142 1142  
1143 1143  (((
1144 1144  01: Low,  00: High ,  11: No action
1145 -
1146 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1147 -|Downlink Code|DO1|DO2|DO3
1148 -|02  01  00  11|Low|High|No Action
1149 -|02  00  11  01|High|No Action|Low
1150 -|02  11  01  00|No Action|Low|High
1151 1151  )))
1152 1152  
1018 +[[image:image-20220524092754-5.png]]
1153 1153  
1154 1154  (((
1155 1155  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1187,46 +1187,23 @@
1187 1187  
1188 1188  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1189 1189  
1190 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1191 -|**Second Byte**|**Status**
1192 -|0x01|DO1 set to low
1193 -|0x00|DO1 set to high
1194 -|0x11|DO1 NO Action
1056 +[[image:image-20220524093238-6.png]]
1195 1195  
1196 1196  
1197 -
1198 1198  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1199 1199  
1200 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1201 -|**Second Byte**|**Status**
1202 -|0x01|DO2 set to low
1203 -|0x00|DO2 set to high
1204 -|0x11|DO2 NO Action
1061 +[[image:image-20220524093328-7.png]]
1205 1205  
1206 1206  
1207 -
1208 1208  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1209 1209  
1210 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1211 -|**Second Byte**|**Status**
1212 -|0x01|DO3 set to low
1213 -|0x00|DO3 set to high
1214 -|0x11|DO3 NO Action
1066 +[[image:image-20220524093351-8.png]]
1215 1215  
1216 1216  
1217 -
1218 1218  (% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1219 1219  
1220 1220   Latching time. Unit: ms
1221 1221  
1222 -
1223 -(% style="color:red" %)**Note: **
1224 -
1225 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1226 -
1227 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1228 -
1229 -
1230 1230  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1231 1231  
1232 1232  
... ... @@ -1250,7 +1250,7 @@
1250 1250  
1251 1251  
1252 1252  
1253 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1096 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1254 1254  
1255 1255  
1256 1256  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1269,21 +1269,10 @@
1269 1269  
1270 1270  (((
1271 1271  01: Close ,  00: Open , 11: No action
1272 -
1273 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1274 -|**Downlink Code**|**RO1**|**RO2**
1275 -|03  00  11|Open|No Action
1276 -|03  01  11|Close|No Action
1277 -|03  11  00|No Action|Open
1278 -|03  11  01|No Action|Close
1279 -|03  00  00|Open|Open
1280 -|03  01  01|Close|Close
1281 -|03  01  00|Close|Open
1282 -|03  00  01|Open|Close
1283 1283  )))
1284 1284  
1285 1285  (((
1286 -
1118 +[[image:image-20220524093724-9.png]]
1287 1287  )))
1288 1288  
1289 1289  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1290,6 +1290,7 @@
1290 1290  
1291 1291  
1292 1292  
1125 +
1293 1293  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1294 1294  
1295 1295  
... ... @@ -1321,20 +1321,12 @@
1321 1321  
1322 1322  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1323 1323  
1324 -
1325 -(% style="color:red" %)**Note:**
1326 -
1327 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1328 -
1329 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1330 -
1331 -
1332 1332  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1333 1333  
1334 1334  
1335 1335  **Example payload:**
1336 1336  
1337 -**~1. 05 01 11 07 D0**
1162 +**~1. 05 01 11 07 D**
1338 1338  
1339 1339  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1340 1340  
... ... @@ -1469,6 +1469,7 @@
1469 1469  
1470 1470  
1471 1471  
1297 +
1472 1472  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1473 1473  
1474 1474  
... ... @@ -1485,6 +1485,7 @@
1485 1485  
1486 1486  
1487 1487  
1314 +
1488 1488  ==== 3.4.2.25 Copy downlink to uplink ====
1489 1489  
1490 1490  
... ... @@ -1523,6 +1523,7 @@
1523 1523  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1524 1524  
1525 1525  
1353 +
1526 1526  == 3.5 Integrate with Mydevice ==
1527 1527  
1528 1528  
... ... @@ -1572,8 +1572,10 @@
1572 1572  [[image:image-20220524094909-5.png||height="341" width="734"]]
1573 1573  
1574 1574  
1403 +
1575 1575  == 3.6 Interface Detail ==
1576 1576  
1406 +
1577 1577  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1578 1578  
1579 1579  
... ... @@ -1582,6 +1582,7 @@
1582 1582  [[image:1653356991268-289.png]]
1583 1583  
1584 1584  
1415 +
1585 1585  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1586 1586  
1587 1587  
... ... @@ -1638,6 +1638,8 @@
1638 1638  
1639 1639  (((
1640 1640  
1472 +
1473 +
1641 1641  )))
1642 1642  
1643 1643  (((
... ... @@ -1669,6 +1669,8 @@
1669 1669  
1670 1670  (((
1671 1671  
1505 +
1506 +
1672 1672  )))
1673 1673  
1674 1674  (((
... ... @@ -1699,16 +1699,18 @@
1699 1699  )))
1700 1700  
1701 1701  
1537 +
1702 1702  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1703 1703  
1704 1704  
1705 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1541 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1706 1706  
1707 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1543 +Note: DO pins go to float when device is power off.
1708 1708  
1709 1709  [[image:1653357531600-905.png]]
1710 1710  
1711 1711  
1548 +
1712 1712  === 3.6.4 Analog Input Interface ===
1713 1713  
1714 1714  
... ... @@ -1726,9 +1726,9 @@
1726 1726  
1727 1727  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1728 1728  
1729 -(% style="color:red" %)**Red:  12~~24v**
1566 +**Red:  12~~24v**
1730 1730  
1731 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1568 +**Yellow:  4~~20mA**
1732 1732  
1733 1733  **Black:  GND**
1734 1734  
... ... @@ -1740,6 +1740,7 @@
1740 1740  [[image:1653357648330-671.png||height="155" width="733"]]
1741 1741  
1742 1742  
1580 +
1743 1743  === 3.6.5 Relay Output ===
1744 1744  
1745 1745  
... ... @@ -1755,41 +1755,17 @@
1755 1755  [[image:image-20220524100215-10.png||height="382" width="723"]]
1756 1756  
1757 1757  
1596 +
1758 1758  == 3.7 LEDs Indicators ==
1759 1759  
1760 1760  
1761 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1762 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**LEDs**|(% style="background-color:#D9E2F3;color:#0070C0" %)**Feature**
1763 -|**PWR**|Always on if there is power
1764 -|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1765 -|**TX**|(((
1766 -Device boot: TX blinks 5 times.
1767 -
1768 -Successful join network: TX ON for 5 seconds.
1769 -
1770 -Transmit a LoRa packet: TX blinks once
1771 -)))
1772 -|**RX**|RX blinks once when receive a packet.
1773 -|**DO1**|
1774 -|**DO2**|
1775 -|**DO3**|
1776 -|**DI2**|(((
1777 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1778 -)))
1779 -|**DI2**|(((
1780 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1781 -)))
1782 -|**DI2**|(((
1783 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1784 -)))
1785 -|**RO1**|
1786 -|**RO2**|
1787 -
1788 1788  [[image:image-20220524100748-11.png]]
1789 1789  
1790 1790  
1603 +
1791 1791  = 4. Use AT Command =
1792 1792  
1606 +
1793 1793  == 4.1 Access AT Command ==
1794 1794  
1795 1795  
... ... @@ -2000,8 +2000,10 @@
2000 2000  )))
2001 2001  
2002 2002  
1817 +
2003 2003  == 4.2 Common AT Command Sequence ==
2004 2004  
1820 +
2005 2005  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
2006 2006  
2007 2007  (((
... ... @@ -2046,6 +2046,7 @@
2046 2046  )))
2047 2047  
2048 2048  
1865 +
2049 2049  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
2050 2050  
2051 2051  (((
... ... @@ -2118,7 +2118,7 @@
2118 2118  **3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?
2119 2119  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2120 2120  
2121 -**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5.**
1938 +**4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5**
2122 2122  
2123 2123  
2124 2124  )))
... ... @@ -2131,6 +2131,7 @@
2131 2131  
2132 2132  )))
2133 2133  
1951 +
2134 2134  === 4.2.3 Change to Class A ===
2135 2135  
2136 2136  
... ... @@ -2142,19 +2142,13 @@
2142 2142  )))
2143 2143  
2144 2144  
2145 -= 5. Case Study =
2146 2146  
2147 -== 5.1 Counting how many objects pass in Flow Line ==
1964 += 5. FAQ =
2148 2148  
2149 2149  
2150 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1967 +== 5.1 How to upgrade the image? ==
2151 2151  
2152 2152  
2153 -= 6. FAQ =
2154 -
2155 -== 6.1 How to upgrade the image? ==
2156 -
2157 -
2158 2158  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2159 2159  
2160 2160  * Support new features
... ... @@ -2182,10 +2182,8 @@
2182 2182  
2183 2183   [[image:image-20220524103407-12.png]]
2184 2184  
2185 -
2186 2186  [[image:image-20220524103429-13.png]]
2187 2187  
2188 -
2189 2189  [[image:image-20220524104033-15.png]]
2190 2190  
2191 2191  
... ... @@ -2197,8 +2197,10 @@
2197 2197  
2198 2198  (((
2199 2199  (((
2200 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2010 +
2201 2201  
2012 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2013 +
2202 2202  
2203 2203  )))
2204 2204  )))
... ... @@ -2210,8 +2210,9 @@
2210 2210  (((
2211 2211  
2212 2212  
2213 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2214 2214  
2026 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2027 +
2215 2215  
2216 2216  )))
2217 2217  
... ... @@ -2273,29 +2273,26 @@
2273 2273  [[image:1653360498588-932.png||height="485" width="726"]]
2274 2274  
2275 2275  
2276 -== 6.4 How to change the uplink interval？ ==
2277 2277  
2090 +== 5.4 Can I see counting event in Serial? ==
2278 2278  
2279 -Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2280 2280  
2281 -
2282 -== 6.5 Can I see counting event in Serial? ==
2283 -
2284 -
2285 2285  (((
2286 2286  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.
2287 2287  
2288 2288  
2289 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2290 2290  
2098 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2291 2291  
2100 +
2292 2292  Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://github.com/dragino/LT-22222-L/releases]].
2293 2293  
2103 +
2294 2294  
2295 2295  )))
2296 2296  
2297 2297  (((
2298 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2108 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2299 2299  
2300 2300  
2301 2301  If the device is not shut down, but directly powered off.
... ... @@ -2307,9 +2307,10 @@
2307 2307  After restart, the status before power failure will be read from flash.
2308 2308  
2309 2309  
2310 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2311 2311  
2121 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2312 2312  
2123 +
2313 2313  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2314 2314  
2315 2315  
... ... @@ -2316,18 +2316,21 @@
2316 2316  [[image:image-20221006170630-1.png||height="610" width="945"]]
2317 2317  
2318 2318  
2319 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 5.8 Can LT22222-L save RO state? ==
2320 2320  
2321 2321  
2322 2322  Firmware version needs to be no less than 1.6.0.
2323 2323  
2324 2324  
2325 -= 7. Trouble Shooting =
2136 +
2137 += 6. Trouble Shooting =
2138 +
2139 +
2326 2326  )))
2327 2327  
2328 2328  (((
2329 2329  (((
2330 -== 7.1 Downlink doesn't work, how to solve it? ==
2144 +== 6.1 Downlink doesn't work, how to solve it? ==
2331 2331  
2332 2332  
2333 2333  )))
... ... @@ -2340,8 +2340,9 @@
2340 2340  (((
2341 2341  
2342 2342  
2343 -== 7.2 Have trouble to upload image. ==
2344 2344  
2158 +== 6.2 Have trouble to upload image. ==
2159 +
2345 2345  
2346 2346  )))
2347 2347  
... ... @@ -2352,8 +2352,9 @@
2352 2352  (((
2353 2353  
2354 2354  
2355 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2356 2356  
2171 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2172 +
2357 2357  
2358 2358  )))
2359 2359  
... ... @@ -2362,9 +2362,10 @@
2362 2362  )))
2363 2363  
2364 2364  
2365 -= 8. Order Info =
2366 2366  
2182 += 7. Order Info =
2367 2367  
2184 +
2368 2368  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2369 2369  
2370 2370  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2379,7 +2379,7 @@
2379 2379  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2380 2380  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2381 2381  
2382 -= 9. Packing Info =
2199 += 8. Packing Info =
2383 2383  
2384 2384  
2385 2385  **Package Includes**:
... ... @@ -2396,7 +2396,7 @@
2396 2396  * Package Size / pcs : 14.5 x 8 x 5 cm
2397 2397  * Weight / pcs : 170g
2398 2398  
2399 -= 10. Support =
2216 += 9. Support =
2400 2400  
2401 2401  
2402 2402  * (((
... ... @@ -2409,7 +2409,7 @@
2409 2409  
2410 2410  )))
2411 2411  
2412 -= 11. Reference​​​​​ =
2229 += 10. Reference​​​​​ =
2413 2413  
2414 2414  
2415 2415  * 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]]
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