Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 112.5 >
edited by Xiaoling
on 2023/03/31 09:47
To version < 118.10 >
edited by Xiaoling
on 2023/05/17 11:20
>
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  (((
... ... @@ -176,33 +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 -
188 188  == 1.4  Applications ==
189 189  
190 190  
191 191  * Smart Buildings & Home Automation
196 +
192 192  * Logistics and Supply Chain Management
198 +
193 193  * Smart Metering
200 +
194 194  * Smart Agriculture
202 +
195 195  * Smart Cities
204 +
196 196  * Smart Factory
197 197  
198 -
199 -
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" %)(((
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" %)(((
206 206  * 2 x Digital Input (Bi-direction)
207 207  * 2 x Digital Output
208 208  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -211,8 +211,6 @@
211 211  * 1 x Counting Port
212 212  )))
213 213  
214 -
215 -
216 216  = 2. Power ON Device =
217 217  
218 218  
... ... @@ -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]]
280 +[[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:
... ... @@ -306,24 +306,42 @@
306 306  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
307 307  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
308 308  
309 -
310 -
311 311  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
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.
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
316 316  )))
317 317  
318 -[[image:image-20220523174024-3.png]]
319 319  
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
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
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.
... ... @@ -364,7 +364,6 @@
364 364  ** DO1 is high in case there is load between DO1 and V+.
365 365  ** DO1 LED is off in both case
366 366  
367 -
368 368  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
369 369  
370 370  
... ... @@ -374,18 +374,28 @@
374 374  
375 375  (((
376 376  Total : 11 bytes payload
377 -)))
378 378  
379 -[[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
380 380  
408 +
409 +)))|MOD
410 +)))
381 381  
382 382  (((
413 +
414 +
383 383  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
384 -)))
385 385  
386 -[[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
387 387  
388 -* 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 +
389 389  * FIRST: Indicate this is the first packet after join network.
390 390  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
391 391  
... ... @@ -443,15 +443,24 @@
443 443  
444 444  **LT22222-L**: This mode the DI1 is used as a counting pin.
445 445  
446 -[[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
447 447  
448 448  (((
449 449  
450 450  
451 451  (% 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
452 452  )))
453 453  
454 -[[image:image-20220523181301-6.png]]
455 455  
456 456  * RO is for relay. ROx=1 : close，ROx=0 always open.
457 457  * FIRST: Indicate this is the first packet after join network.
... ... @@ -493,16 +493,26 @@
493 493  
494 494  (((
495 495  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
496 496  )))
497 497  
498 -[[image:image-20220523181903-8.png]]
499 499  
500 500  
501 501  (((
502 502  (% 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
503 503  )))
504 504  
505 -[[image:image-20220523181727-7.png]]
506 506  
507 507  * RO is for relay. ROx=1 : close，ROx=0 always open.
508 508  * FIRST: Indicate this is the first packet after join network.
... ... @@ -557,12 +557,29 @@
557 557  
558 558  **LT22222-L**: This mode the DI1 is used as a counting pin.
559 559  
560 -[[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
561 561  
562 562  (((
563 563  
564 564  
565 565  (% 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
566 566  )))
567 567  
568 568  * RO is for relay. ROx=1 : close，ROx=0 always open.
... ... @@ -687,12 +687,51 @@
687 687  
688 688  MOD6 Payload : total 11 bytes payload
689 689  
690 -[[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 +)))
691 691  
692 -
693 693  (% style="color:#4f81bd" %)**TRI FLAG1**(%%) is a combination to show if trigger is set for this part. Totally 1byte as below
694 694  
695 -[[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 +)))
696 696  
697 697  * Each bits shows if the corresponding trigger has been configured.
698 698  
... ... @@ -704,8 +704,35 @@
704 704  
705 705  (% style="color:#4f81bd" %)**TRI Status1**(%%) is a combination to show which condition is trigger. Totally 1byte as below
706 706  
707 -[[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 +)))
708 708  
845 +
709 709  * Each bits shows which status has been trigger on this uplink.
710 710  
711 711  **Example:**
... ... @@ -715,7 +715,9 @@
715 715  
716 716  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
717 717  
718 -[[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
719 719  
720 720  * Each bits shows which status has been trigger on this uplink.
721 721  
... ... @@ -761,8 +761,6 @@
761 761  
762 762  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
763 763  
764 -
765 -
766 766  === 3.4.1 Common Commands ===
767 767  
768 768  
... ... @@ -773,7 +773,6 @@
773 773  
774 774  === 3.4.2 Sensor related commands ===
775 775  
776 -
777 777  ==== 3.4.2.1 Set Transmit Interval ====
778 778  
779 779  
... ... @@ -1006,9 +1006,14 @@
1006 1006  
1007 1007  (((
1008 1008  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
1009 1009  )))
1010 1010  
1011 -[[image:image-20220524092754-5.png]]
1012 1012  
1013 1013  (((
1014 1014  (% style="color:red" %)**Note: For LT-22222-L, there is no DO3, the last byte can use any value.**
... ... @@ -1046,19 +1046,34 @@
1046 1046  
1047 1047  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
1048 1048  
1049 -[[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
1050 1050  
1051 1051  
1197 +
1052 1052  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
1053 1053  
1054 -[[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
1055 1055  
1056 1056  
1207 +
1057 1057  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1058 1058  
1059 -[[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
1060 1060  
1061 1061  
1217 +
1062 1062  (% style="color:#4f81bd" %)**Sixth and Seventh and Eighth and Ninth Byte**:
1063 1063  
1064 1064   Latching time. Unit: ms
... ... @@ -1113,10 +1113,21 @@
1113 1113  
1114 1114  (((
1115 1115  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
1116 1116  )))
1117 1117  
1118 1118  (((
1119 -[[image:image-20220524093724-9.png]]
1286 +
1120 1120  )))
1121 1121  
1122 1122  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1591,6 +1591,33 @@
1591 1591  == 3.7 LEDs Indicators ==
1592 1592  
1593 1593  
1761 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1762 +|**LEDs**|**Feature**
1763 +|**PWR**|Always on if there is power
1764 +|**SYS**|After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1765 +|**TX**|(((
1766 +Device boot: TX blinks 5 times.
1767 +
1768 +Successful join network: TX ON for 5 seconds.
1769 +
1770 +Transmit a LoRa packet: TX blinks once
1771 +)))
1772 +|**RX**|RX blinks once when receive a packet.
1773 +|**DO1**|
1774 +|**DO2**|
1775 +|**DO3**|
1776 +|**DI2**|(((
1777 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1778 +)))
1779 +|**DI2**|(((
1780 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1781 +)))
1782 +|**DI2**|(((
1783 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1784 +)))
1785 +|**RO1**|
1786 +|**RO2**|
1787 +
1594 1594  [[image:image-20220524100748-11.png]]
1595 1595  
1596 1596  
... ... @@ -2079,14 +2079,20 @@
2079 2079  [[image:1653360498588-932.png||height="485" width="726"]]
2080 2080  
2081 2081  
2082 -== 6.4 Can I see counting event in Serial? ==
2276 +== 6.4 How to change the uplink interval？ ==
2083 2083  
2084 2084  
2279 +Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2280 +
2281 +
2282 +== 6.5 Can I see counting event in Serial? ==
2283 +
2284 +
2085 2085  (((
2086 2086  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.
2087 2087  
2088 2088  
2089 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2289 +== 6.6 Can i use point to point communication for LT-22222-L? ==
2090 2090  
2091 2091  
2092 2092  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]].
... ... @@ -2095,7 +2095,7 @@
2095 2095  )))
2096 2096  
2097 2097  (((
2098 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2298 +== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2099 2099  
2100 2100  
2101 2101  If the device is not shut down, but directly powered off.
... ... @@ -2107,7 +2107,7 @@
2107 2107  After restart, the status before power failure will be read from flash.
2108 2108  
2109 2109  
2110 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2310 +== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2111 2111  
2112 2112  
2113 2113  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2116,7 +2116,7 @@
2116 2116  [[image:image-20221006170630-1.png||height="610" width="945"]]
2117 2117  
2118 2118  
2119 -== 6.8 Can LT22222-L save RO state? ==
2319 +== 6.9 Can LT22222-L save RO state? ==
2120 2120  
2121 2121  
2122 2122  Firmware version needs to be no less than 1.6.0.
... ... @@ -2179,8 +2179,6 @@
2179 2179  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2180 2180  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2181 2181  
2182 -
2183 -
2184 2184  = 9. Packing Info =
2185 2185  
2186 2186  
... ... @@ -2191,7 +2191,6 @@
2191 2191  * Bracket for controller x1
2192 2192  * Program cable x 1
2193 2193  
2194 -
2195 2195  **Dimension and weight**:
2196 2196  
2197 2197  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -2199,8 +2199,6 @@
2199 2199  * Package Size / pcs : 14.5 x 8 x 5 cm
2200 2200  * Weight / pcs : 170g
2201 2201  
2202 -
2203 -
2204 2204  = 10. Support =
2205 2205  
2206 2206  
... ... @@ -2220,5 +2220,3 @@
2220 2220  * 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]]
2221 2221  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2222 2222  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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