Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 122.7 >
edited by Xiaoling
on 2023/06/08 17:16
To version < 115.2 >
edited by Xiaoling
on 2023/04/25 17:36
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -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.
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, smartphone detection, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -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"]]
286 +[[image:image-20230425173427-2.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -314,50 +314,29 @@
314 314  There are five working modes + one interrupt mode on LT for different type application:
315 315  
316 316  * (% style="color:blue" %)**MOD1**(%%): (default setting): 2 x ACI + 2AVI + DI + DO + RO
317 -
318 318  * (% style="color:blue" %)**MOD2**(%%): Double DI Counting + DO + RO
319 -
320 320  * (% style="color:blue" %)**MOD3**(%%): Single DI Counting + 2 x ACI + DO + RO
321 -
322 322  * (% style="color:blue" %)**MOD4**(%%): Single DI Counting + 1 x Voltage Counting + DO + RO
323 -
324 324  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
325 -
326 326  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
327 327  
328 328  
329 -
330 330  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
331 331  
332 332  
333 333  (((
334 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
335 -
336 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
337 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
338 -|Value|(((
339 -AVI1 voltage
340 -)))|(((
341 -AVI2 voltage
342 -)))|(((
343 -ACI1 Current
344 -)))|(((
345 -ACI2 Current
346 -)))|DIDORO*|(((
347 -Reserve
348 -)))|MOD
328 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
349 349  )))
350 350  
331 +[[image:image-20220523174024-3.png]]
332 +
351 351  (((
352 352  
353 353  
354 354  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
355 -
356 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
357 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
358 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
359 359  )))
360 360  
339 +[[image:image-20220523174254-4.png]]
361 361  
362 362  * RO is for relay. ROx=1 : close，ROx=0 always open.
363 363  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -398,6 +398,7 @@
398 398  ** DO1 is high in case there is load between DO1 and V+.
399 399  ** DO1 LED is off in both case
400 400  
380 +
401 401  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
402 402  
403 403  
... ... @@ -407,26 +407,18 @@
407 407  
408 408  (((
409 409  Total : 11 bytes payload
410 -
411 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
412 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
413 -|Value|COUNT1|COUNT2 |DIDORO*|(((
414 -Reserve
415 -)))|MOD
416 416  )))
417 417  
418 -(((
419 -
392 +[[image:image-20220523180452-3.png]]
420 420  
421 -(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
422 422  
423 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
424 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
425 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
426 -
427 -RO is for relay. ROx=1 : close，ROx=0 always open.
395 +(((
396 +(% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
428 428  )))
429 429  
399 +[[image:image-20220523180506-4.png]]
400 +
401 +* RO is for relay. ROx=1 : close，ROx=0 always open.
430 430  * FIRST: Indicate this is the first packet after join network.
431 431  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
432 432  
... ... @@ -484,24 +484,15 @@
484 484  
485 485  **LT22222-L**: This mode the DI1 is used as a counting pin.
486 486  
487 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
488 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
489 -|Value|COUNT1|(((
490 -ACI1 Current
491 -)))|(((
492 -ACI2 Current
493 -)))|DIDORO*|Reserve|MOD
459 +[[image:image-20220523181246-5.png]]
494 494  
495 495  (((
496 496  
497 497  
498 498  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
499 -
500 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
501 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
502 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
503 503  )))
504 504  
467 +[[image:image-20220523181301-6.png]]
505 505  
506 506  * RO is for relay. ROx=1 : close，ROx=0 always open.
507 507  * FIRST: Indicate this is the first packet after join network.
... ... @@ -543,22 +543,16 @@
543 543  
544 544  (((
545 545  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.
546 -
547 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
548 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**4**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
549 -|Value|COUNT1|AVI1 Counting|DIDORO*|(((
550 -Reserve)))|MOD
551 551  )))
552 552  
511 +[[image:image-20220523181903-8.png]]
553 553  
513 +
554 554  (((
555 555  (% style="color:#4f81bd" %)**DIDORO **(%%)is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
556 -
557 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
558 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
559 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
560 560  )))
561 561  
518 +[[image:image-20220523181727-7.png]]
562 562  
563 563  * RO is for relay. ROx=1 : close，ROx=0 always open.
564 564  * FIRST: Indicate this is the first packet after join network.
... ... @@ -613,26 +613,12 @@
613 613  
614 614  **LT22222-L**: This mode the DI1 is used as a counting pin.
615 615  
616 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
617 -|(% style="background-color:#D9E2F3;color:#0070C0" %)**Size(bytes)**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**2**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**|(% style="background-color:#D9E2F3;color:#0070C0" %)**1**
618 -|Value|(((
619 -AVI1 voltage
620 -)))|(((
621 -AVI2 voltage
622 -)))|(((
623 -ACI1 Current
624 -)))|COUNT1|DIDORO*|(((
625 -Reserve
626 -)))|MOD
573 +[[image:image-20220523182334-9.png]]
627 627  
628 628  (((
629 629  
630 630  
631 631  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
632 -
633 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
634 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
635 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
636 636  )))
637 637  
638 638  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -757,51 +757,12 @@
757 757  
758 758  MOD6 Payload : total 11 bytes payload
759 759  
760 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
761 -|**Size(bytes)**|**1**|**1**|**1**|**6**|**1**|**1**
762 -|Value|(((
763 -TRI_A
764 -FLAG
765 -)))|(((
766 -TRI_A
767 -Status
768 -)))|(((
769 -TRI_DI
770 -FLAG+STA
771 -)))|Reserve|Enable/Disable MOD6|(((
772 -MOD
773 -(6)
774 -)))
703 +[[image:image-20220524085923-1.png]]
775 775  
705 +
776 776  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
777 777  
778 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
779 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
780 -|(((
781 -AV1_
782 -LOW
783 -)))|(((
784 -AV1_
785 -HIGH
786 -)))|(((
787 -AV2_
788 -LOW
789 -)))|(((
790 -AV2_
791 -HIGH
792 -)))|(((
793 -AC1_
794 -LOW
795 -)))|(((
796 -AC1_
797 -HIGH
798 -)))|(((
799 -AC2_
800 -LOW
801 -)))|(((
802 -AC2_
803 -HIGH
804 -)))
708 +[[image:image-20220524090106-2.png]]
805 805  
806 806  * Each bits shows if the corresponding trigger has been configured.
807 807  
... ... @@ -810,35 +810,10 @@
810 810  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
811 811  
812 812  
717 +
813 813  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
814 814  
815 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
816 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
817 -|(((
818 -AV1_
819 -LOW
820 -)))|(((
821 -AV1_
822 -HIGH
823 -)))|(((
824 -AV2_
825 -LOW
826 -)))|(((
827 -AV2_
828 -HIGH
829 -)))|(((
830 -AC1_
831 -LOW
832 -)))|(((
833 -AC1_
834 -HIGH
835 -)))|(((
836 -AC2_
837 -LOW
838 -)))|(((
839 -AC2_
840 -HIGH
841 -)))
720 +[[image:image-20220524090249-3.png]]
842 842  
843 843  * Each bits shows which status has been trigger on this uplink.
844 844  
... ... @@ -849,9 +849,7 @@
849 849  
850 850  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
851 851  
852 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
853 -|**bit7**|**bit6**|**bit5**|**bit4**|**bit3**|**bit2**|**bit1**|**bit0**
854 -|N/A|N/A|N/A|N/A|DI2_STATUS|DI2_FLAG|DI1_STATUS|DI1_FLAG
731 +[[image:image-20220524090456-4.png]]
855 855  
856 856  * Each bits shows which status has been trigger on this uplink.
857 857  
... ... @@ -897,6 +897,7 @@
897 897  
898 898  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
899 899  
777 +
900 900  === 3.4.1 Common Commands ===
901 901  
902 902  
... ... @@ -1139,14 +1139,9 @@
1139 1139  
1140 1140  (((
1141 1141  01: Low,  00: High ,  11: No action
1142 -
1143 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1144 -|(% 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**
1145 -|02  01  00  11|Low|High|No Action
1146 -|02  00  11  01|High|No Action|Low
1147 -|02  11  01  00|No Action|Low|High
1148 1148  )))
1149 1149  
1022 +[[image:image-20220524092754-5.png]]
1150 1150  
1151 1151  (((
1152 1152  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1184,31 +1184,24 @@
1184 1184  
1185 1185  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1186 1186  
1187 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1188 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1189 -|0x01|DO1 set to low
1190 -|0x00|DO1 set to high
1191 -|0x11|DO1 NO Action
1060 +[[image:image-20220524093238-6.png]]
1192 1192  
1062 +
1193 1193  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1194 1194  
1195 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1196 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1197 -|0x01|DO2 set to low
1198 -|0x00|DO2 set to high
1199 -|0x11|DO2 NO Action
1065 +[[image:image-20220524093328-7.png]]
1200 1200  
1067 +
1201 1201  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1202 1202  
1203 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1204 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1205 -|0x01|DO3 set to low
1206 -|0x00|DO3 set to high
1207 -|0x11|DO3 NO Action
1070 +[[image:image-20220524093351-8.png]]
1208 1208  
1209 -(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:(%%) Latching time. Unit: ms
1210 1210  
1073 +(% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1211 1211  
1075 + Latching time. Unit: ms
1076 +
1077 +
1212 1212  (% style="color:red" %)**Note: **
1213 1213  
1214 1214   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
... ... @@ -1258,21 +1258,10 @@
1258 1258  
1259 1259  (((
1260 1260  01: Close ,  00: Open , 11: No action
1261 -
1262 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1263 -|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1264 -|03  00  11|Open|No Action
1265 -|03  01  11|Close|No Action
1266 -|03  11  00|No Action|Open
1267 -|03  11  01|No Action|Close
1268 -|03  00  00|Open|Open
1269 -|03  01  01|Close|Close
1270 -|03  01  00|Close|Open
1271 -|03  00  01|Open|Close
1272 1272  )))
1273 1273  
1274 1274  (((
1275 -
1130 +[[image:image-20220524093724-9.png]]
1276 1276  )))
1277 1277  
1278 1278  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1536,7 +1536,7 @@
1536 1536  
1537 1537  (% style="color:blue" %)**Step 3**(%%): Create an account or log in Mydevices.
1538 1538  
1539 -(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L) and add DevEUI.(% style="display:none" %)
1394 +(% style="color:blue" %)**Step 4**(%%): Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %)
1540 1540  
1541 1541  Search under The things network
1542 1542  
... ... @@ -1721,6 +1721,7 @@
1721 1721  
1722 1722  **Black:  GND**
1723 1723  
1579 +
1724 1724  **Connection diagram:**
1725 1725  
1726 1726  [[image:1653357640609-758.png]]
... ... @@ -1728,22 +1728,6 @@
1728 1728  [[image:1653357648330-671.png||height="155" width="733"]]
1729 1729  
1730 1730  
1731 -Example connected to a regulated power supply to measure voltage
1732 -
1733 -[[image:image-20230608101532-1.png||height="606" width="447"]]
1734 -
1735 -[[image:image-20230608101608-2.jpeg||height="379" width="284"]]
1736 -
1737 -[[image:image-20230608101722-3.png||height="102" width="1139"]]
1738 -
1739 -
1740 -(% style="color:blue; font-weight:bold" %)**Specifications of the regulated power**(%%) (% style="color:blue" %)**:**
1741 -
1742 -(% style="color:red" %)**Red:  12~~24v**
1743 -
1744 -**Black:  GND**
1745 -
1746 -
1747 1747  === 3.6.5 Relay Output ===
1748 1748  
1749 1749  
... ... @@ -1762,41 +1762,9 @@
1762 1762  == 3.7 LEDs Indicators ==
1763 1763  
1764 1764  
1765 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1766 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0; width:470px" %)**Feature**
1767 -|**PWR**|Always on if there is power
1768 -|**SYS**|(((
1769 -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.
1770 -)))
1771 -|**TX**|(((
1772 -(((
1773 -Device boot: TX blinks 5 times.
1774 -)))
1605 +[[image:image-20220524100748-11.png]]
1775 1775  
1776 -(((
1777 -Successful join network: TX ON for 5 seconds.
1778 -)))
1779 1779  
1780 -(((
1781 -Transmit a LoRa packet: TX blinks once
1782 -)))
1783 -)))
1784 -|**RX**|RX blinks once when receive a packet.
1785 -|**DO1**|
1786 -|**DO2**|
1787 -|**DO3**|
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 -|**DI2**|(((
1795 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1796 -)))
1797 -|**RO1**|
1798 -|**RO2**|
1799 -
1800 1800  = 4. Use AT Command =
1801 1801  
1802 1802  == 4.1 Access AT Command ==
... ... @@ -2282,20 +2282,14 @@
2282 2282  [[image:1653360498588-932.png||height="485" width="726"]]
2283 2283  
2284 2284  
2285 -== 6.4 How to change the uplink interval？ ==
2093 +== 6.4 Can I see counting event in Serial? ==
2286 2286  
2287 2287  
2288 -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/]]
2289 -
2290 -
2291 -== 6.5 Can I see counting event in Serial? ==
2292 -
2293 -
2294 2294  (((
2295 2295  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.
2296 2296  
2297 2297  
2298 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2100 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2299 2299  
2300 2300  
2301 2301  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]].
... ... @@ -2304,7 +2304,7 @@
2304 2304  )))
2305 2305  
2306 2306  (((
2307 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2109 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2308 2308  
2309 2309  
2310 2310  If the device is not shut down, but directly powered off.
... ... @@ -2316,7 +2316,7 @@
2316 2316  After restart, the status before power failure will be read from flash.
2317 2317  
2318 2318  
2319 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2121 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2320 2320  
2321 2321  
2322 2322  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2325,7 +2325,7 @@
2325 2325  [[image:image-20221006170630-1.png||height="610" width="945"]]
2326 2326  
2327 2327  
2328 -== 6.9 Can LT22222-L save RO state? ==
2130 +== 6.8 Can LT22222-L save RO state? ==
2329 2329  
2330 2330  
2331 2331  Firmware version needs to be no less than 1.6.0.
... ... @@ -2388,6 +2388,8 @@
2388 2388  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2389 2389  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2390 2390  
2193 +
2194 +
2391 2391  = 9. Packing Info =
2392 2392  
2393 2393  
... ... @@ -2405,6 +2405,8 @@
2405 2405  * Package Size / pcs : 14.5 x 8 x 5 cm
2406 2406  * Weight / pcs : 170g
2407 2407  
2212 +
2213 +
2408 2408  = 10. Support =
2409 2409  
2410 2410  
... ... @@ -2412,7 +2412,7 @@
2412 2412  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.
2413 2413  )))
2414 2414  * (((
2415 -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]]
2221 +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]]
2416 2416  
2417 2417  
2418 2418  
... ... @@ -2424,3 +2424,5 @@
2424 2424  * 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]]
2425 2425  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2426 2426  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2233 +
2234 +
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