Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.15 >
edited by Xiaoling
on 2023/05/17 11:43
To version < 109.2 >
edited by Xiaoling
on 2022/11/21 11:37
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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  
... ... @@ -195,15 +195,10 @@
195 195  
196 196  
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 209  
... ... @@ -211,12 +211,9 @@
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 -|(% 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**
216 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 -(% style="text-align:center" %)
218 -[[image:image-20230424115112-1.png||height="106" width="58"]]
219 -)))|(% style="width:334px" %)(((
206 +(% border="1" style="background-color:#f7faff; width:500px" %)
207 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
208 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -283,7 +283,7 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png||height="246" width="530"]]
275 +[[image:1653297924498-393.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -308,6 +308,7 @@
308 308  [[image:1653298044601-602.png||height="405" width="709"]]
309 309  
310 310  
300 +
311 311  == 3.3 Uplink Payload ==
312 312  
313 313  
... ... @@ -326,37 +326,18 @@
326 326  
327 327  
328 328  (((
329 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
330 -
331 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
332 -|**Size(bytes)(% style="display:none" %) (%%)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
333 -|Value|(((
334 -AVI1
335 -voltage
336 -)))|(((
337 -AVI2
338 -voltage
339 -)))|(((
340 -ACI1
341 -Current
342 -)))|(((
343 -ACI2
344 -Current
345 -)))|DIDORO*|(((
346 -Reserve
347 -)))|MOD
319 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
348 348  )))
349 349  
322 +[[image:image-20220523174024-3.png]]
323 +
350 350  (((
351 351  
352 352  
353 353  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
354 -
355 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
356 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
357 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
358 358  )))
359 359  
330 +[[image:image-20220523174254-4.png]]
360 360  
361 361  * RO is for relay. ROx=1 : close，ROx=0 always open.
362 362  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -408,28 +408,18 @@
408 408  
409 409  (((
410 410  Total : 11 bytes payload
382 +)))
411 411  
412 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
413 -|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
414 -|Value|COUNT1|COUNT2 |DIDORO*|(((
415 -Reserve
384 +[[image:image-20220523180452-3.png]]
416 416  
417 -
418 -)))|MOD
419 -)))
420 420  
421 421  (((
422 -
423 -
424 424  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
425 -
426 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
427 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
428 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
429 -
430 -RO is for relay. ROx=1 : close，ROx=0 always open.
431 431  )))
432 432  
391 +[[image:image-20220523180506-4.png]]
392 +
393 +* RO is for relay. ROx=1 : close，ROx=0 always open.
433 433  * FIRST: Indicate this is the first packet after join network.
434 434  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
435 435  
... ... @@ -487,24 +487,15 @@
487 487  
488 488  **LT22222-L**: This mode the DI1 is used as a counting pin.
489 489  
490 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
491 -|**Size(bytes)**|**4**|**2**|**2**|**1**|**1**|**1**
492 -|Value|COUNT1|(((
493 -ACI1 Current
494 -)))|(((
495 -ACI2 Current
496 -)))|DIDORO*|Reserve|MOD
451 +[[image:image-20220523181246-5.png]]
497 497  
498 498  (((
499 499  
500 500  
501 501  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
502 -
503 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
504 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
505 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
506 506  )))
507 507  
459 +[[image:image-20220523181301-6.png]]
508 508  
509 509  * RO is for relay. ROx=1 : close，ROx=0 always open.
510 510  * FIRST: Indicate this is the first packet after join network.
... ... @@ -546,25 +546,16 @@
546 546  
547 547  (((
548 548  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.
549 -
550 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
551 -|**Size(bytes)**|**4**|**4**|**1**|**1**|**1**
552 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
553 -Reserve
554 -
555 -
556 -)))|MOD
557 557  )))
558 558  
503 +[[image:image-20220523181903-8.png]]
559 559  
505 +
560 560  (((
561 561  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
562 -
563 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
564 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
565 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
566 566  )))
567 567  
510 +[[image:image-20220523181727-7.png]]
568 568  
569 569  * RO is for relay. ROx=1 : close，ROx=0 always open.
570 570  * FIRST: Indicate this is the first packet after join network.
... ... @@ -619,29 +619,12 @@
619 619  
620 620  **LT22222-L**: This mode the DI1 is used as a counting pin.
621 621  
622 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
623 -|**Size(bytes)**|**2**|**2**|**2**|**2**|**1**|**1**|**1**
624 -|Value|(((
625 -AVI1
626 -voltage
627 -)))|(((
628 -AVI2
629 -voltage
630 -)))|(((
631 -ACI1
632 -Current
633 -)))|COUNT1|DIDORO*|(((
634 -Reserve
635 -)))|MOD
565 +[[image:image-20220523182334-9.png]]
636 636  
637 637  (((
638 638  
639 639  
640 640  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
641 -
642 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
643 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
644 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
645 645  )))
646 646  
647 647  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -732,6 +732,7 @@
732 732  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
733 733  
734 734  
661 +
735 735  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
736 736  
737 737  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -766,52 +766,12 @@
766 766  
767 767  MOD6 Payload : total 11 bytes payload
768 768  
769 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
770 -|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
771 -|Value|(((
772 -TRI_A
773 -FLAG
774 -)))|(((
775 -TRI_A
776 -Status
777 -)))|(((
778 -TRI_DI
779 -FLAG+STA
780 -)))|Reserve|Enable/Disable MOD6|(((
781 -MOD
782 -(6)
783 -)))
696 +[[image:image-20220524085923-1.png]]
784 784  
785 785  
786 786  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
787 787  
788 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
789 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
790 -|(((
791 -AV1_
792 -LOW
793 -)))|(((
794 -AV1_
795 -HIGH
796 -)))|(((
797 -AV2_
798 -LOW
799 -)))|(((
800 -AV2_
801 -HIGH
802 -)))|(((
803 -AC1_
804 -LOW
805 -)))|(((
806 -AC1_
807 -HIGH
808 -)))|(((
809 -AC2_
810 -LOW
811 -)))|(((
812 -AC2_
813 -HIGH
814 -)))
701 +[[image:image-20220524090106-2.png]]
815 815  
816 816  * Each bits shows if the corresponding trigger has been configured.
817 817  
... ... @@ -820,35 +820,10 @@
820 820  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
821 821  
822 822  
710 +
823 823  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
824 824  
825 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
826 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
827 -|(((
828 -AV1_
829 -LOW
830 -)))|(((
831 -AV1_
832 -HIGH
833 -)))|(((
834 -AV2_
835 -LOW
836 -)))|(((
837 -AV2_
838 -HIGH
839 -)))|(((
840 -AC1_
841 -LOW
842 -)))|(((
843 -AC1_
844 -HIGH
845 -)))|(((
846 -AC2_
847 -LOW
848 -)))|(((
849 -AC2_
850 -HIGH
851 -)))
713 +[[image:image-20220524090249-3.png]]
852 852  
853 853  * Each bits shows which status has been trigger on this uplink.
854 854  
... ... @@ -857,11 +857,10 @@
857 857  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
858 858  
859 859  
722 +
860 860  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
861 861  
862 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
863 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
864 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
725 +[[image:image-20220524090456-4.png]]
865 865  
866 866  * Each bits shows which status has been trigger on this uplink.
867 867  
... ... @@ -872,6 +872,7 @@
872 872  00000101: Means both DI1 and DI2 trigger are enabled.
873 873  
874 874  
736 +
875 875  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
876 876  
877 877  Downlink command to poll MOD6 status:
... ... @@ -994,6 +994,7 @@
994 994  
995 995  
996 996  
859 +
997 997  ==== 3.4.2.5 Poll trigger settings ====
998 998  
999 999  
... ... @@ -1076,7 +1076,7 @@
1076 1076  
1077 1077  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
1078 1078  
1079 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
942 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
1080 1080  
1081 1081  
1082 1082  
... ... @@ -1151,14 +1151,9 @@
1151 1151  
1152 1152  (((
1153 1153  01: Low,  00: High ,  11: No action
1154 -
1155 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1156 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO2**|(% style="background-color:#d9e2f3; color:#0070c0" %)**DO3**
1157 -|02  01  00  11|Low|High|No Action
1158 -|02  00  11  01|High|No Action|Low
1159 -|02  11  01  00|No Action|Low|High
1160 1160  )))
1161 1161  
1019 +[[image:image-20220524092754-5.png]]
1162 1162  
1163 1163  (((
1164 1164  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1196,33 +1196,25 @@
1196 1196  
1197 1197  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1198 1198  
1199 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1200 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1201 -|0x01|DO1 set to low
1202 -|0x00|DO1 set to high
1203 -|0x11|DO1 NO Action
1057 +[[image:image-20220524093238-6.png]]
1204 1204  
1059 +
1205 1205  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1206 1206  
1207 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1208 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1209 -|0x01|DO2 set to low
1210 -|0x00|DO2 set to high
1211 -|0x11|DO2 NO Action
1062 +[[image:image-20220524093328-7.png]]
1212 1212  
1064 +
1213 1213  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1214 1214  
1215 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1216 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1217 -|0x01|DO3 set to low
1218 -|0x00|DO3 set to high
1219 -|0x11|DO3 NO Action
1067 +[[image:image-20220524093351-8.png]]
1220 1220  
1221 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1222 1222  
1070 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1223 1223  
1224 -(% style="color:red" %)**Note: **
1072 + Latching time. Unit: ms
1225 1225  
1074 +Note:
1075 +
1226 1226   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1227 1227  
1228 1228   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1251,7 +1251,7 @@
1251 1251  
1252 1252  
1253 1253  
1254 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1104 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1255 1255  
1256 1256  
1257 1257  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1270,21 +1270,10 @@
1270 1270  
1271 1271  (((
1272 1272  01: Close ,  00: Open , 11: No action
1273 -
1274 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1275 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1276 -|03  00  11|Open|No Action
1277 -|03  01  11|Close|No Action
1278 -|03  11  00|No Action|Open
1279 -|03  11  01|No Action|Close
1280 -|03  00  00|Open|Open
1281 -|03  01  01|Close|Close
1282 -|03  01  00|Close|Open
1283 -|03  00  01|Open|Close
1284 1284  )))
1285 1285  
1286 1286  (((
1287 -
1126 +[[image:image-20220524093724-9.png]]
1288 1288  )))
1289 1289  
1290 1290  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1291,6 +1291,7 @@
1291 1291  
1292 1292  
1293 1293  
1133 +
1294 1294  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1295 1295  
1296 1296  
... ... @@ -1322,9 +1322,8 @@
1322 1322  
1323 1323  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1324 1324  
1165 +Note:
1325 1325  
1326 -(% style="color:red" %)**Note:**
1327 -
1328 1328   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1329 1329  
1330 1330   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1335,7 +1335,7 @@
1335 1335  
1336 1336  **Example payload:**
1337 1337  
1338 -**~1. 05 01 11 07 D0**
1177 +**~1. 05 01 11 07 D**
1339 1339  
1340 1340  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1341 1341  
... ... @@ -1470,6 +1470,7 @@
1470 1470  
1471 1471  
1472 1472  
1312 +
1473 1473  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1474 1474  
1475 1475  
... ... @@ -1486,6 +1486,7 @@
1486 1486  
1487 1487  
1488 1488  
1329 +
1489 1489  ==== 3.4.2.25 Copy downlink to uplink ====
1490 1490  
1491 1491  
... ... @@ -1548,7 +1548,7 @@
1548 1548  
1549 1549  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1550 1550  
1551 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1392 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1552 1552  
1553 1553  Search under The things network
1554 1554  
... ... @@ -1639,6 +1639,8 @@
1639 1639  
1640 1640  (((
1641 1641  
1483 +
1484 +
1642 1642  )))
1643 1643  
1644 1644  (((
... ... @@ -1670,6 +1670,8 @@
1670 1670  
1671 1671  (((
1672 1672  
1516 +
1517 +
1673 1673  )))
1674 1674  
1675 1675  (((
... ... @@ -1703,9 +1703,9 @@
1703 1703  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1704 1704  
1705 1705  
1706 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1551 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1707 1707  
1708 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1553 +Note: DO pins go to float when device is power off.
1709 1709  
1710 1710  [[image:1653357531600-905.png]]
1711 1711  
... ... @@ -1727,9 +1727,9 @@
1727 1727  
1728 1728  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1729 1729  
1730 -(% style="color:red" %)**Red:  12~~24v**
1575 +**Red:  12~~24v**
1731 1731  
1732 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1577 +**Yellow:  4~~20mA**
1733 1733  
1734 1734  **Black:  GND**
1735 1735  
... ... @@ -1759,43 +1759,10 @@
1759 1759  == 3.7 LEDs Indicators ==
1760 1760  
1761 1761  
1762 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1763 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1764 -|**PWR**|Always on if there is power
1765 -|**SYS**|(((
1766 -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.
1767 -)))
1768 -|**TX**|(((
1769 -(((
1770 -Device boot: TX blinks 5 times.
1771 -)))
1607 +[[image:image-20220524100748-11.png]]
1772 1772  
1773 -(((
1774 -Successful join network: TX ON for 5 seconds.
1775 -)))
1776 1776  
1777 -(((
1778 -Transmit a LoRa packet: TX blinks once
1779 -)))
1780 -)))
1781 -|**RX**|RX blinks once when receive a packet.
1782 -|**DO1**|
1783 -|**DO2**|
1784 -|**DO3**|
1785 -|**DI2**|(((
1786 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1787 -)))
1788 -|**DI2**|(((
1789 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1790 -)))
1791 -|**DI2**|(((
1792 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1793 -)))
1794 -|**RO1**|
1795 -|**RO2**|
1796 1796  
1797 -
1798 -
1799 1799  = 4. Use AT Command =
1800 1800  
1801 1801  == 4.1 Access AT Command ==
... ... @@ -2126,7 +2126,7 @@
2126 2126  **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?
2127 2127  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
2128 2128  
2129 -**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.**
1941 +**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**
2130 2130  
2131 2131  
2132 2132  )))
... ... @@ -2139,6 +2139,7 @@
2139 2139  
2140 2140  )))
2141 2141  
1954 +
2142 2142  === 4.2.3 Change to Class A ===
2143 2143  
2144 2144  
... ... @@ -2150,19 +2150,11 @@
2150 2150  )))
2151 2151  
2152 2152  
2153 -= 5. Case Study =
1966 += 5. FAQ =
2154 2154  
2155 -== 5.1 Counting how many objects pass in Flow Line ==
1968 +== 5.1 How to upgrade the image? ==
2156 2156  
2157 2157  
2158 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2159 -
2160 -
2161 -= 6. FAQ =
2162 -
2163 -== 6.1 How to upgrade the image? ==
2164 -
2165 -
2166 2166  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
2167 2167  
2168 2168  * Support new features
... ... @@ -2190,10 +2190,8 @@
2190 2190  
2191 2191   [[image:image-20220524103407-12.png]]
2192 2192  
2193 -
2194 2194  [[image:image-20220524103429-13.png]]
2195 2195  
2196 -
2197 2197  [[image:image-20220524104033-15.png]]
2198 2198  
2199 2199  
... ... @@ -2205,7 +2205,7 @@
2205 2205  
2206 2206  (((
2207 2207  (((
2208 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2011 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2209 2209  
2210 2210  
2211 2211  )))
... ... @@ -2218,7 +2218,7 @@
2218 2218  (((
2219 2219  
2220 2220  
2221 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2024 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2222 2222  
2223 2223  
2224 2224  )))
... ... @@ -2281,20 +2281,14 @@
2281 2281  [[image:1653360498588-932.png||height="485" width="726"]]
2282 2282  
2283 2283  
2284 -== 6.4 How to change the uplink interval？ ==
2087 +== 5.4 Can I see counting event in Serial? ==
2285 2285  
2286 2286  
2287 -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/]]
2288 -
2289 -
2290 -== 6.5 Can I see counting event in Serial? ==
2291 -
2292 -
2293 2293  (((
2294 2294  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.
2295 2295  
2296 2296  
2297 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2094 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2298 2298  
2299 2299  
2300 2300  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]].
... ... @@ -2303,7 +2303,7 @@
2303 2303  )))
2304 2304  
2305 2305  (((
2306 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2103 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2307 2307  
2308 2308  
2309 2309  If the device is not shut down, but directly powered off.
... ... @@ -2315,7 +2315,7 @@
2315 2315  After restart, the status before power failure will be read from flash.
2316 2316  
2317 2317  
2318 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2115 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2319 2319  
2320 2320  
2321 2321  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2324,18 +2324,18 @@
2324 2324  [[image:image-20221006170630-1.png||height="610" width="945"]]
2325 2325  
2326 2326  
2327 -== 6.9 Can LT22222-L save RO state? ==
2124 +== 5.8 Can LT22222-L save RO state? ==
2328 2328  
2329 2329  
2330 2330  Firmware version needs to be no less than 1.6.0.
2331 2331  
2332 2332  
2333 -= 7. Trouble Shooting =
2130 += 6. Trouble Shooting =
2334 2334  )))
2335 2335  
2336 2336  (((
2337 2337  (((
2338 -== 7.1 Downlink doesn't work, how to solve it? ==
2135 +== 6.1 Downlink doesn't work, how to solve it? ==
2339 2339  
2340 2340  
2341 2341  )))
... ... @@ -2348,7 +2348,7 @@
2348 2348  (((
2349 2349  
2350 2350  
2351 -== 7.2 Have trouble to upload image. ==
2148 +== 6.2 Have trouble to upload image. ==
2352 2352  
2353 2353  
2354 2354  )))
... ... @@ -2360,7 +2360,7 @@
2360 2360  (((
2361 2361  
2362 2362  
2363 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2364 2364  
2365 2365  
2366 2366  )))
... ... @@ -2370,7 +2370,7 @@
2370 2370  )))
2371 2371  
2372 2372  
2373 -= 8. Order Info =
2170 += 7. Order Info =
2374 2374  
2375 2375  
2376 2376  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2389,7 +2389,7 @@
2389 2389  
2390 2390  
2391 2391  
2392 -= 9. Packing Info =
2189 += 8. Packing Info =
2393 2393  
2394 2394  
2395 2395  **Package Includes**:
... ... @@ -2408,7 +2408,7 @@
2408 2408  
2409 2409  
2410 2410  
2411 -= 10. Support =
2208 += 9. Support =
2412 2412  
2413 2413  
2414 2414  * (((
... ... @@ -2415,13 +2415,13 @@
2415 2415  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.
2416 2416  )))
2417 2417  * (((
2418 -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.cc>>mailto:Support@dragino.cc]]
2215 +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]]
2419 2419  
2420 2420  
2421 2421  
2422 2422  )))
2423 2423  
2424 -= 11. Reference​​​​​ =
2221 += 10. Reference​​​​​ =
2425 2425  
2426 2426  
2427 2427  * 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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