Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 111.1 >
edited by Bei Jinggeng
on 2023/01/10 17:26
To version < 118.9 >
edited by Xiaoling
on 2023/05/17 11:18
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Bei
1 +XWiki.Xiaoling
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, smartphone detection, 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, building automation, and so on.
30 30  )))
31 31  
32 32  (((
... ... @@ -176,31 +176,43 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 +
179 179  * Optional Customized LoRa Protocol
181 +
180 180  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
181 181  * AT Commands to change parameters
185 +
182 182  * Remote configure parameters via LoRa Downlink
187 +
183 183  * Firmware upgradable via program port
189 +
184 184  * Counting
185 185  
186 -
187 187  == 1.4  Applications ==
188 188  
189 189  
190 190  * Smart Buildings & Home Automation
196 +
191 191  * Logistics and Supply Chain Management
198 +
192 192  * Smart Metering
200 +
193 193  * Smart Agriculture
202 +
194 194  * Smart Cities
204 +
195 195  * Smart Factory
196 196  
197 -
198 198  == 1.5 Hardware Variants ==
199 199  
200 200  
201 -(% border="1" style="background-color:#f7faff; width:500px" %)
202 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
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" %)(((
204 204  * 2 x Digital Input (Bi-direction)
205 205  * 2 x Digital Output
206 206  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -209,7 +209,6 @@
209 209  * 1 x Counting Port
210 210  )))
211 211  
212 -
213 213  = 2. Power ON Device =
214 214  
215 215  
... ... @@ -266,7 +266,7 @@
266 266  Each LT is shipped with a sticker with the default device EUI as below:
267 267  )))
268 268  
269 -[[image:1653297924498-393.png]]
280 +[[image:image-20230425173427-2.png||height="246" width="530"]]
270 270  
271 271  
272 272  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -303,23 +303,42 @@
303 303  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
304 304  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
305 305  
306 -
307 307  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
308 308  
309 309  
310 310  (((
311 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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
312 312  )))
313 313  
314 -[[image:image-20220523174024-3.png]]
315 315  
316 316  (((
317 317  
318 318  
319 319  (% 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
320 320  )))
321 321  
322 -[[image:image-20220523174254-4.png]]
323 323  
324 324  * RO is for relay. ROx=1 : close，ROx=0 always open.
325 325  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -360,7 +360,6 @@
360 360  ** DO1 is high in case there is load between DO1 and V+.
361 361  ** DO1 LED is off in both case
362 362  
363 -
364 364  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
365 365  
366 366  
... ... @@ -370,18 +370,28 @@
370 370  
371 371  (((
372 372  Total : 11 bytes payload
373 -)))
374 374  
375 -[[image:image-20220523180452-3.png]]
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
376 376  
408 +
409 +)))|MOD
410 +)))
377 377  
378 378  (((
413 +
414 +
379 379  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
380 -)))
381 381  
382 -[[image:image-20220523180506-4.png]]
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
383 383  
384 -* RO is for relay. ROx=1 : close，ROx=0 always open.
421 +RO is for relay. ROx=1 : close，ROx=0 always open.
422 +)))
423 +
385 385  * FIRST: Indicate this is the first packet after join network.
386 386  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
387 387  
... ... @@ -439,15 +439,24 @@
439 439  
440 440  **LT22222-L**: This mode the DI1 is used as a counting pin.
441 441  
442 -[[image:image-20220523181246-5.png]]
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
443 443  
444 444  (((
445 445  
446 446  
447 447  (% 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
448 448  )))
449 449  
450 -[[image:image-20220523181301-6.png]]
451 451  
452 452  * RO is for relay. ROx=1 : close，ROx=0 always open.
453 453  * FIRST: Indicate this is the first packet after join network.
... ... @@ -489,16 +489,26 @@
489 489  
490 490  (((
491 491  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
492 492  )))
493 493  
494 -[[image:image-20220523181903-8.png]]
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
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
499 499  )))
500 500  
501 -[[image:image-20220523181727-7.png]]
502 502  
503 503  * RO is for relay. ROx=1 : close，ROx=0 always open.
504 504  * FIRST: Indicate this is the first packet after join network.
... ... @@ -553,12 +553,29 @@
553 553  
554 554  **LT22222-L**: This mode the DI1 is used as a counting pin.
555 555  
556 -[[image:image-20220523182334-9.png]]
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
557 557  
558 558  (((
559 559  
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
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
562 562  )))
563 563  
564 564  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -649,7 +649,6 @@
649 649  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
650 650  
651 651  
652 -
653 653  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
654 654  
655 655  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -684,12 +684,51 @@
684 684  
685 685  MOD6 Payload : total 11 bytes payload
686 686  
687 -[[image:image-20220524085923-1.png]]
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 +)))
688 688  
689 -
690 690  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
691 691  
692 -[[image:image-20220524090106-2.png]]
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 +)))
693 693  
694 694  * Each bits shows if the corresponding trigger has been configured.
695 695  
... ... @@ -701,8 +701,35 @@
701 701  
702 702  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
703 703  
704 -[[image:image-20220524090249-3.png]]
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 +)))
705 705  
845 +
706 706  * Each bits shows which status has been trigger on this uplink.
707 707  
708 708  **Example:**
... ... @@ -710,10 +710,11 @@
710 710  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
711 711  
712 712  
713 -
714 714  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
715 715  
716 -[[image:image-20220524090456-4.png]]
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
717 717  
718 718  * Each bits shows which status has been trigger on this uplink.
719 719  
... ... @@ -724,7 +724,6 @@
724 724  00000101: Means both DI1 and DI2 trigger are enabled.
725 725  
726 726  
727 -
728 728  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
729 729  
730 730  Downlink command to poll MOD6 status:
... ... @@ -760,7 +760,6 @@
760 760  
761 761  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
762 762  
763 -
764 764  === 3.4.1 Common Commands ===
765 765  
766 766  
... ... @@ -1003,9 +1003,14 @@
1003 1003  
1004 1004  (((
1005 1005  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
1006 1006  )))
1007 1007  
1008 -[[image:image-20220524092754-5.png]]
1009 1009  
1010 1010  (((
1011 1011  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1043,25 +1043,41 @@
1043 1043  
1044 1044  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1045 1045  
1046 -[[image:image-20220524093238-6.png]]
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
1047 1047  
1048 1048  
1197 +
1049 1049  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1050 1050  
1051 -[[image:image-20220524093328-7.png]]
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
1052 1052  
1053 1053  
1207 +
1054 1054  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1055 1055  
1056 -[[image:image-20220524093351-8.png]]
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
1057 1057  
1058 1058  
1217 +
1059 1059  (% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1060 1060  
1061 1061   Latching time. Unit: ms
1062 1062  
1063 -Note:
1064 1064  
1223 +(% style="color:red" %)**Note: **
1224 +
1065 1065   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1066 1066  
1067 1067   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1090,7 +1090,7 @@
1090 1090  
1091 1091  
1092 1092  
1093 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1253 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1094 1094  
1095 1095  
1096 1096  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1109,10 +1109,21 @@
1109 1109  
1110 1110  (((
1111 1111  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
1112 1112  )))
1113 1113  
1114 1114  (((
1115 -[[image:image-20220524093724-9.png]]
1286 +
1116 1116  )))
1117 1117  
1118 1118  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1150,8 +1150,9 @@
1150 1150  
1151 1151  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1152 1152  
1153 -Note:
1154 1154  
1325 +(% style="color:red" %)**Note:**
1326 +
1155 1155   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1156 1156  
1157 1157   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1530,9 +1530,9 @@
1530 1530  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1531 1531  
1532 1532  
1533 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1705 +(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1534 1534  
1535 -Note: DO pins go to float when device is power off.
1707 +(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1536 1536  
1537 1537  [[image:1653357531600-905.png]]
1538 1538  
... ... @@ -1554,9 +1554,9 @@
1554 1554  
1555 1555  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1556 1556  
1557 -**Red:  12~~24v**
1729 +(% style="color:red" %)**Red:  12~~24v**
1558 1558  
1559 -**Yellow:  4~~20mA**
1731 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1560 1560  
1561 1561  **Black:  GND**
1562 1562  
... ... @@ -1919,7 +1919,7 @@
1919 1919  **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?
1920 1920  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1921 1921  
1922 -**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**
2094 +**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.**
1923 1923  
1924 1924  
1925 1925  )))
... ... @@ -1943,11 +1943,19 @@
1943 1943  )))
1944 1944  
1945 1945  
1946 -= 5. FAQ =
2118 += 5. Case Study =
1947 1947  
1948 -== 5.1 How to upgrade the image? ==
2120 +== 5.1 Counting how many objects pass in Flow Line ==
1949 1949  
1950 1950  
2123 +Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2124 +
2125 +
2126 += 6. FAQ =
2127 +
2128 +== 6.1 How to upgrade the image? ==
2129 +
2130 +
1951 1951  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1952 1952  
1953 1953  * Support new features
... ... @@ -1975,8 +1975,10 @@
1975 1975  
1976 1976   [[image:image-20220524103407-12.png]]
1977 1977  
2158 +
1978 1978  [[image:image-20220524103429-13.png]]
1979 1979  
2161 +
1980 1980  [[image:image-20220524104033-15.png]]
1981 1981  
1982 1982  
... ... @@ -1988,7 +1988,7 @@
1988 1988  
1989 1989  (((
1990 1990  (((
1991 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2173 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1992 1992  
1993 1993  
1994 1994  )))
... ... @@ -2001,7 +2001,7 @@
2001 2001  (((
2002 2002  
2003 2003  
2004 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2186 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2005 2005  
2006 2006  
2007 2007  )))
... ... @@ -2064,14 +2064,20 @@
2064 2064  [[image:1653360498588-932.png||height="485" width="726"]]
2065 2065  
2066 2066  
2067 -== 5.4 Can I see counting event in Serial? ==
2249 +== 6.4 How to change the uplink interval？ ==
2068 2068  
2069 2069  
2252 +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/]]
2253 +
2254 +
2255 +== 6.5 Can I see counting event in Serial? ==
2256 +
2257 +
2070 2070  (((
2071 2071  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.
2072 2072  
2073 2073  
2074 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2262 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2075 2075  
2076 2076  
2077 2077  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]].
... ... @@ -2080,7 +2080,7 @@
2080 2080  )))
2081 2081  
2082 2082  (((
2083 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2271 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2084 2084  
2085 2085  
2086 2086  If the device is not shut down, but directly powered off.
... ... @@ -2092,7 +2092,7 @@
2092 2092  After restart, the status before power failure will be read from flash.
2093 2093  
2094 2094  
2095 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2283 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2096 2096  
2097 2097  
2098 2098  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2101,18 +2101,18 @@
2101 2101  [[image:image-20221006170630-1.png||height="610" width="945"]]
2102 2102  
2103 2103  
2104 -== 5.8 Can LT22222-L save RO state? ==
2292 +== 6.9 Can LT22222-L save RO state? ==
2105 2105  
2106 2106  
2107 2107  Firmware version needs to be no less than 1.6.0.
2108 2108  
2109 2109  
2110 -= 6. Trouble Shooting =
2298 += 7. Trouble Shooting =
2111 2111  )))
2112 2112  
2113 2113  (((
2114 2114  (((
2115 -== 6.1 Downlink doesn't work, how to solve it? ==
2303 +== 7.1 Downlink doesn't work, how to solve it? ==
2116 2116  
2117 2117  
2118 2118  )))
... ... @@ -2125,7 +2125,7 @@
2125 2125  (((
2126 2126  
2127 2127  
2128 -== 6.2 Have trouble to upload image. ==
2316 +== 7.2 Have trouble to upload image. ==
2129 2129  
2130 2130  
2131 2131  )))
... ... @@ -2137,7 +2137,7 @@
2137 2137  (((
2138 2138  
2139 2139  
2140 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2328 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2141 2141  
2142 2142  
2143 2143  )))
... ... @@ -2147,7 +2147,7 @@
2147 2147  )))
2148 2148  
2149 2149  
2150 -= 7. Order Info =
2338 += 8. Order Info =
2151 2151  
2152 2152  
2153 2153  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2164,10 +2164,9 @@
2164 2164  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2165 2165  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2166 2166  
2355 += 9. Packing Info =
2167 2167  
2168 -= 8. Packing Info =
2169 2169  
2170 -
2171 2171  **Package Includes**:
2172 2172  
2173 2173  * LT-22222-L I/O Controller x 1
... ... @@ -2182,10 +2182,9 @@
2182 2182  * Package Size / pcs : 14.5 x 8 x 5 cm
2183 2183  * Weight / pcs : 170g
2184 2184  
2372 += 10. Support =
2185 2185  
2186 -= 9. Support =
2187 2187  
2188 -
2189 2189  * (((
2190 2190  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.
2191 2191  )))
... ... @@ -2196,11 +2196,9 @@
2196 2196  
2197 2197  )))
2198 2198  
2199 -= 10. Reference​​​​​ =
2385 += 11. Reference​​​​​ =
2200 2200  
2201 2201  
2202 2202  * 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]]
2203 2203  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2204 2204  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2205 -
2206 -
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