Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 110.2 >
edited by Xiaoling
on 2022/12/23 08:41
To version < 118.13 >
edited by Xiaoling
on 2023/05/17 11:39
>
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, 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  (((
... ... @@ -176,11 +176,17 @@
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  
186 186  
... ... @@ -189,10 +189,15 @@
189 189  
190 190  
191 191  * Smart Buildings & Home Automation
198 +
192 192  * Logistics and Supply Chain Management
200 +
193 193  * Smart Metering
202 +
194 194  * Smart Agriculture
204 +
195 195  * Smart Cities
206 +
196 196  * Smart Factory
197 197  
198 198  
... ... @@ -200,9 +200,12 @@
200 200  == 1.5 Hardware Variants ==
201 201  
202 202  
203 -(% border="1" style="background-color:#f7faff; width:500px" %)
204 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
205 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
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" %)(((
206 206  * 2 x Digital Input (Bi-direction)
207 207  * 2 x Digital Output
208 208  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -269,7 +269,7 @@
269 269  Each LT is shipped with a sticker with the default device EUI as below:
270 270  )))
271 271  
272 -[[image:1653297924498-393.png]]
286 +[[image:image-20230425173427-2.png||height="246" width="530"]]
273 273  
274 274  
275 275  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -312,18 +312,37 @@
312 312  
313 313  
314 314  (((
315 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
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
316 316  )))
317 317  
318 -[[image:image-20220523174024-3.png]]
319 -
320 320  (((
321 321  
322 322  
323 323  (% 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
324 324  )))
325 325  
326 -[[image:image-20220523174254-4.png]]
327 327  
328 328  * RO is for relay. ROx=1 : close，ROx=0 always open.
329 329  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -375,18 +375,28 @@
375 375  
376 376  (((
377 377  Total : 11 bytes payload
378 -)))
379 379  
380 -[[image:image-20220523180452-3.png]]
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
381 381  
417 +
418 +)))|MOD
419 +)))
382 382  
383 383  (((
422 +
423 +
384 384  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
385 -)))
386 386  
387 -[[image:image-20220523180506-4.png]]
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
388 388  
389 -* RO is for relay. ROx=1 : close，ROx=0 always open.
430 +RO is for relay. ROx=1 : close，ROx=0 always open.
431 +)))
432 +
390 390  * FIRST: Indicate this is the first packet after join network.
391 391  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
392 392  
... ... @@ -444,15 +444,24 @@
444 444  
445 445  **LT22222-L**: This mode the DI1 is used as a counting pin.
446 446  
447 -[[image:image-20220523181246-5.png]]
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
448 448  
449 449  (((
450 450  
451 451  
452 452  (% 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
453 453  )))
454 454  
455 -[[image:image-20220523181301-6.png]]
456 456  
457 457  * RO is for relay. ROx=1 : close，ROx=0 always open.
458 458  * FIRST: Indicate this is the first packet after join network.
... ... @@ -494,16 +494,25 @@
494 494  
495 495  (((
496 496  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.
497 -)))
498 498  
499 -[[image:image-20220523181903-8.png]]
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
500 500  
555 +
556 +)))|MOD
557 +)))
501 501  
559 +
502 502  (((
503 503  (% 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
504 504  )))
505 505  
506 -[[image:image-20220523181727-7.png]]
507 507  
508 508  * RO is for relay. ROx=1 : close，ROx=0 always open.
509 509  * FIRST: Indicate this is the first packet after join network.
... ... @@ -558,12 +558,29 @@
558 558  
559 559  **LT22222-L**: This mode the DI1 is used as a counting pin.
560 560  
561 -[[image:image-20220523182334-9.png]]
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
562 562  
563 563  (((
564 564  
565 565  
566 566  (% 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
567 567  )))
568 568  
569 569  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -654,7 +654,6 @@
654 654  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
655 655  
656 656  
657 -
658 658  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
659 659  
660 660  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -689,12 +689,52 @@
689 689  
690 690  MOD6 Payload : total 11 bytes payload
691 691  
692 -[[image:image-20220524085923-1.png]]
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 +)))
693 693  
694 694  
695 695  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
696 696  
697 -[[image:image-20220524090106-2.png]]
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 +)))
698 698  
699 699  * Each bits shows if the corresponding trigger has been configured.
700 700  
... ... @@ -703,10 +703,35 @@
703 703  10100000: Means the system has configure to use the trigger: AC1_LOW and AV2_LOW
704 704  
705 705  
706 -
707 707  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
708 708  
709 -[[image:image-20220524090249-3.png]]
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 +)))
710 710  
711 711  * Each bits shows which status has been trigger on this uplink.
712 712  
... ... @@ -715,10 +715,11 @@
715 715  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
716 716  
717 717  
718 -
719 719  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
720 720  
721 -[[image:image-20220524090456-4.png]]
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
722 722  
723 723  * Each bits shows which status has been trigger on this uplink.
724 724  
... ... @@ -729,7 +729,6 @@
729 729  00000101: Means both DI1 and DI2 trigger are enabled.
730 730  
731 731  
732 -
733 733  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
734 734  
735 735  Downlink command to poll MOD6 status:
... ... @@ -1009,9 +1009,14 @@
1009 1009  
1010 1010  (((
1011 1011  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
1012 1012  )))
1013 1013  
1014 -[[image:image-20220524092754-5.png]]
1015 1015  
1016 1016  (((
1017 1017  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1049,17 +1049,29 @@
1049 1049  
1050 1050  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1051 1051  
1052 -[[image:image-20220524093238-6.png]]
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
1053 1053  
1054 1054  
1055 1055  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1056 1056  
1057 -[[image:image-20220524093328-7.png]]
1208 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1209 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1210 +|0x01|DO2 set to low
1211 +|0x00|DO2 set to high
1212 +|0x11|DO2 NO Action
1058 1058  
1059 1059  
1060 1060  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1061 1061  
1062 -[[image:image-20220524093351-8.png]]
1217 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1218 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Second Byte**|(% style="background-color:#d9e2f3; color:#0070c0" %)**Status**
1219 +|0x01|DO3 set to low
1220 +|0x00|DO3 set to high
1221 +|0x11|DO3 NO Action
1063 1063  
1064 1064  
1065 1065  (% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
... ... @@ -1066,8 +1066,9 @@
1066 1066  
1067 1067   Latching time. Unit: ms
1068 1068  
1069 -Note:
1070 1070  
1229 +(% style="color:red" %)**Note: **
1230 +
1071 1071   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1072 1072  
1073 1073   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1096,7 +1096,7 @@
1096 1096  
1097 1097  
1098 1098  
1099 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1259 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1100 1100  
1101 1101  
1102 1102  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1115,10 +1115,21 @@
1115 1115  
1116 1116  (((
1117 1117  01: Close ,  00: Open , 11: No action
1278 +
1279 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1280 +|(% style="background-color:#d9e2f3; color:#0070c0" %)**Downlink Code**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO1**|(% style="background-color:#d9e2f3; color:#0070c0" %)**RO2**
1281 +|03  00  11|Open|No Action
1282 +|03  01  11|Close|No Action
1283 +|03  11  00|No Action|Open
1284 +|03  11  01|No Action|Close
1285 +|03  00  00|Open|Open
1286 +|03  01  01|Close|Close
1287 +|03  01  00|Close|Open
1288 +|03  00  01|Open|Close
1118 1118  )))
1119 1119  
1120 1120  (((
1121 -[[image:image-20220524093724-9.png]]
1292 +
1122 1122  )))
1123 1123  
1124 1124  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1156,8 +1156,9 @@
1156 1156  
1157 1157  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1158 1158  
1159 -Note:
1160 1160  
1331 +(% style="color:red" %)**Note:**
1332 +
1161 1161   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1162 1162  
1163 1163   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1168,7 +1168,7 @@
1168 1168  
1169 1169  **Example payload:**
1170 1170  
1171 -**~1. 05 01 11 07 D**
1343 +**~1. 05 01 11 07 D0**
1172 1172  
1173 1173  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1174 1174  
... ... @@ -1536,9 +1536,9 @@
1536 1536  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1537 1537  
1538 1538  
1539 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1711 +(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1540 1540  
1541 -Note: DO pins go to float when device is power off.
1713 +(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1542 1542  
1543 1543  [[image:1653357531600-905.png]]
1544 1544  
... ... @@ -1560,9 +1560,9 @@
1560 1560  
1561 1561  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1562 1562  
1563 -**Red:  12~~24v**
1735 +(% style="color:red" %)**Red:  12~~24v**
1564 1564  
1565 -**Yellow:  4~~20mA**
1737 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1566 1566  
1567 1567  **Black:  GND**
1568 1568  
... ... @@ -1592,9 +1592,44 @@
1592 1592  == 3.7 LEDs Indicators ==
1593 1593  
1594 1594  
1595 -[[image:image-20220524100748-11.png]]
1767 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1768 +|(% style="background-color:#d9e2f3; color:#0070c0;width:30px" %)**LEDs**|(% style="background-color:#d9e2f3; color:#0070c0;width:490px" %)**Feature**
1769 +|**PWR**|Always on if there is power
1770 +|**SYS**|(((
1771 +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.
1772 +)))
1773 +|**TX**|(((
1774 +(((
1775 +Device boot: TX blinks 5 times.
1776 +)))
1596 1596  
1778 +(((
1779 +Successful join network: TX ON for 5 seconds.
1780 +)))
1597 1597  
1782 +(((
1783 +Transmit a LoRa packet: TX blinks once
1784 +)))
1785 +)))
1786 +|**RX**|RX blinks once when receive a packet.
1787 +|**DO1**|
1788 +|**DO2**|
1789 +|**DO3**|
1790 +|**DI2**|(((
1791 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1792 +)))
1793 +|**DI2**|(((
1794 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1795 +)))
1796 +|**DI2**|(((
1797 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1798 +)))
1799 +|**RO1**|
1800 +|**RO2**|
1801 +
1802 +
1803 +
1804 +
1598 1598  = 4. Use AT Command =
1599 1599  
1600 1600  == 4.1 Access AT Command ==
... ... @@ -1925,7 +1925,7 @@
1925 1925  **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?
1926 1926  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1927 1927  
1928 -**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**
2135 +**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.**
1929 1929  
1930 1930  
1931 1931  )))
... ... @@ -1949,11 +1949,19 @@
1949 1949  )))
1950 1950  
1951 1951  
1952 -= 5. FAQ =
2159 += 5. Case Study =
1953 1953  
1954 -== 5.1 How to upgrade the image? ==
2161 +== 5.1 Counting how many objects pass in Flow Line ==
1955 1955  
1956 1956  
2164 +Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
2165 +
2166 +
2167 += 6. FAQ =
2168 +
2169 +== 6.1 How to upgrade the image? ==
2170 +
2171 +
1957 1957  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1958 1958  
1959 1959  * Support new features
... ... @@ -1981,8 +1981,10 @@
1981 1981  
1982 1982   [[image:image-20220524103407-12.png]]
1983 1983  
2199 +
1984 1984  [[image:image-20220524103429-13.png]]
1985 1985  
2202 +
1986 1986  [[image:image-20220524104033-15.png]]
1987 1987  
1988 1988  
... ... @@ -1994,7 +1994,7 @@
1994 1994  
1995 1995  (((
1996 1996  (((
1997 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2214 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1998 1998  
1999 1999  
2000 2000  )))
... ... @@ -2007,7 +2007,7 @@
2007 2007  (((
2008 2008  
2009 2009  
2010 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2227 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2011 2011  
2012 2012  
2013 2013  )))
... ... @@ -2070,14 +2070,20 @@
2070 2070  [[image:1653360498588-932.png||height="485" width="726"]]
2071 2071  
2072 2072  
2073 -== 5.4 Can I see counting event in Serial? ==
2290 +== 6.4 How to change the uplink interval？ ==
2074 2074  
2075 2075  
2293 +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/]]
2294 +
2295 +
2296 +== 6.5 Can I see counting event in Serial? ==
2297 +
2298 +
2076 2076  (((
2077 2077  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.
2078 2078  
2079 2079  
2080 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2303 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2081 2081  
2082 2082  
2083 2083  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]].
... ... @@ -2086,7 +2086,7 @@
2086 2086  )))
2087 2087  
2088 2088  (((
2089 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2312 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2090 2090  
2091 2091  
2092 2092  If the device is not shut down, but directly powered off.
... ... @@ -2098,7 +2098,7 @@
2098 2098  After restart, the status before power failure will be read from flash.
2099 2099  
2100 2100  
2101 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2324 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2102 2102  
2103 2103  
2104 2104  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2107,18 +2107,18 @@
2107 2107  [[image:image-20221006170630-1.png||height="610" width="945"]]
2108 2108  
2109 2109  
2110 -== 5.8 Can LT22222-L save RO state? ==
2333 +== 6.9 Can LT22222-L save RO state? ==
2111 2111  
2112 2112  
2113 2113  Firmware version needs to be no less than 1.6.0.
2114 2114  
2115 2115  
2116 -= 6. Trouble Shooting =
2339 += 7. Trouble Shooting =
2117 2117  )))
2118 2118  
2119 2119  (((
2120 2120  (((
2121 -== 6.1 Downlink doesn't work, how to solve it? ==
2344 +== 7.1 Downlink doesn't work, how to solve it? ==
2122 2122  
2123 2123  
2124 2124  )))
... ... @@ -2131,7 +2131,7 @@
2131 2131  (((
2132 2132  
2133 2133  
2134 -== 6.2 Have trouble to upload image. ==
2357 +== 7.2 Have trouble to upload image. ==
2135 2135  
2136 2136  
2137 2137  )))
... ... @@ -2143,7 +2143,7 @@
2143 2143  (((
2144 2144  
2145 2145  
2146 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2369 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2147 2147  
2148 2148  
2149 2149  )))
... ... @@ -2153,7 +2153,7 @@
2153 2153  )))
2154 2154  
2155 2155  
2156 -= 7. Order Info =
2379 += 8. Order Info =
2157 2157  
2158 2158  
2159 2159  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2170,11 +2170,9 @@
2170 2170  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2171 2171  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2172 2172  
2396 += 9. Packing Info =
2173 2173  
2174 2174  
2175 -= 8. Packing Info =
2176 -
2177 -
2178 2178  **Package Includes**:
2179 2179  
2180 2180  * LT-22222-L I/O Controller x 1
... ... @@ -2189,11 +2189,9 @@
2189 2189  * Package Size / pcs : 14.5 x 8 x 5 cm
2190 2190  * Weight / pcs : 170g
2191 2191  
2413 += 10. Support =
2192 2192  
2193 2193  
2194 -= 9. Support =
2195 -
2196 -
2197 2197  * (((
2198 2198  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.
2199 2199  )))
... ... @@ -2204,12 +2204,9 @@
2204 2204  
2205 2205  )))
2206 2206  
2207 -= 10. Reference​​​​​ =
2426 += 11. Reference​​​​​ =
2208 2208  
2209 2209  
2210 2210  * 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]]
2211 2211  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2212 2212  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2213 -
2214 -
2215 -
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