Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 112.1 >
edited by Edwin Chen
on 2023/03/30 16:18
To version < 103.1 >
edited by Bei Jinggeng
on 2022/11/10 10:26
>
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Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Edwin
1 +XWiki.Bei
Content
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15 15  
16 16  = 1.Introduction =
17 17  
18 +
18 18  == 1.1 What is LT Series I/O Controller ==
19 19  
20 20  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -62,7 +62,7 @@
62 62  )))
63 63  
64 64  * (((
65 -STM32L072xxxx MCU
67 +STM32L072CZT6 MCU
66 66  )))
67 67  * (((
68 68  SX1276/78 Wireless Chip 
... ... @@ -169,6 +169,7 @@
169 169  Packet engine up to 256 bytes with CRC.
170 170  
171 171  
174 +
172 172  
173 173  )))
174 174  
... ... @@ -226,8 +226,10 @@
226 226  [[image:1653297104069-180.png]]
227 227  
228 228  
232 +
229 229  = 3. Operation Mode =
230 230  
235 +
231 231  == 3.1 How it works? ==
232 232  
233 233  
... ... @@ -240,6 +240,7 @@
240 240  )))
241 241  
242 242  
248 +
243 243  == 3.2 Example to join LoRaWAN network ==
244 244  
245 245  
... ... @@ -291,6 +291,7 @@
291 291  [[image:1653298044601-602.png||height="405" width="709"]]
292 292  
293 293  
300 +
294 294  == 3.3 Uplink Payload ==
295 295  
296 296  
... ... @@ -304,6 +304,7 @@
304 304  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
305 305  
306 306  
314 +
307 307  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
308 308  
309 309  
... ... @@ -361,6 +361,7 @@
361 361  ** DO1 LED is off in both case
362 362  
363 363  
372 +
364 364  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
365 365  
366 366  
... ... @@ -434,6 +434,7 @@
434 434  )))
435 435  
436 436  
446 +
437 437  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
438 438  
439 439  
... ... @@ -480,6 +480,7 @@
480 480  )))
481 481  
482 482  
493 +
483 483  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
484 484  
485 485  
... ... @@ -548,6 +548,7 @@
548 548  )))
549 549  
550 550  
562 +
551 551  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
552 552  
553 553  
... ... @@ -595,6 +595,7 @@
595 595  )))
596 596  
597 597  
610 +
598 598  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
599 599  
600 600  
... ... @@ -649,6 +649,7 @@
649 649  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
650 650  
651 651  
665 +
652 652  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
653 653  
654 654  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -709,6 +709,7 @@
709 709  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
710 710  
711 711  
726 +
712 712  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
713 713  
714 714  [[image:image-20220524090456-4.png]]
... ... @@ -722,6 +722,7 @@
722 722  00000101: Means both DI1 and DI2 trigger are enabled.
723 723  
724 724  
740 +
725 725  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
726 726  
727 727  Downlink command to poll MOD6 status:
... ... @@ -731,6 +731,7 @@
731 731  When device got this command, it will send the MOD6 payload.
732 732  
733 733  
750 +
734 734  === 3.3.7 Payload Decoder ===
735 735  
736 736  (((
... ... @@ -740,6 +740,7 @@
740 740  )))
741 741  
742 742  
760 +
743 743  == 3.4 ​Configure LT via AT or Downlink ==
744 744  
745 745  
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766 766  )))
767 767  
768 768  
787 +
769 769  === 3.4.2 Sensor related commands ===
770 770  
790 +
771 771  ==== 3.4.2.1 Set Transmit Interval ====
772 772  
773 773  
... ... @@ -843,6 +843,7 @@
843 843  
844 844  
845 845  
866 +
846 846  ==== 3.4.2.5 Poll trigger settings ====
847 847  
848 848  
... ... @@ -925,7 +925,7 @@
925 925  
926 926  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
927 927  
928 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
949 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
929 929  
930 930  
931 931  
... ... @@ -1057,14 +1057,6 @@
1057 1057  
1058 1058   Latching time. Unit: ms
1059 1059  
1060 -
1061 -(% style="color:red" %)**Note: **
1062 -
1063 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1064 -
1065 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1066 -
1067 -
1068 1068  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1069 1069  
1070 1070  
... ... @@ -1088,7 +1088,7 @@
1088 1088  
1089 1089  
1090 1090  
1091 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1104 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1092 1092  
1093 1093  
1094 1094  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1117,6 +1117,7 @@
1117 1117  
1118 1118  
1119 1119  
1133 +
1120 1120  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1121 1121  
1122 1122  
... ... @@ -1148,20 +1148,12 @@
1148 1148  
1149 1149  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1150 1150  
1151 -
1152 -(% style="color:red" %)**Note:**
1153 -
1154 - Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1155 -
1156 - Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1157 -
1158 -
1159 1159  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1160 1160  
1161 1161  
1162 1162  **Example payload:**
1163 1163  
1164 -**~1. 05 01 11 07 D0**
1170 +**~1. 05 01 11 07 D**
1165 1165  
1166 1166  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1167 1167  
... ... @@ -1247,14 +1247,14 @@
1247 1247  
1248 1248  
1249 1249  
1250 -==== 3.4.2.20 Reset save RO DO state ====
1256 +==== 3.4.2.20 Reset save DR DO state ====
1251 1251  
1252 1252  
1253 1253  * (% style="color:#037691" %)**AT Command:**
1254 1254  
1255 -(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1261 +(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1256 1256  
1257 -(% style="color:blue" %)**AT+RODORESET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1263 +(% style="color:blue" %)**AT+RODORET=0    **(%%)~/~/ After the device is reset, the previously saved RODO state (only MOD2 to MOD5) is read, and its state is not changed when it is reconnected to the network.
1258 1258  
1259 1259  
1260 1260  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
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1296 1296  
1297 1297  
1298 1298  
1305 +
1299 1299  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1300 1300  
1301 1301  
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1312 1312  
1313 1313  
1314 1314  
1322 +
1315 1315  ==== 3.4.2.25 Copy downlink to uplink ====
1316 1316  
1317 1317  
... ... @@ -1350,6 +1350,7 @@
1350 1350  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1351 1351  
1352 1352  
1361 +
1353 1353  == 3.5 Integrate with Mydevice ==
1354 1354  
1355 1355  
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1399 1399  [[image:image-20220524094909-5.png||height="341" width="734"]]
1400 1400  
1401 1401  
1411 +
1402 1402  == 3.6 Interface Detail ==
1403 1403  
1414 +
1404 1404  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1405 1405  
1406 1406  
... ... @@ -1409,6 +1409,7 @@
1409 1409  [[image:1653356991268-289.png]]
1410 1410  
1411 1411  
1423 +
1412 1412  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1413 1413  
1414 1414  
... ... @@ -1465,6 +1465,8 @@
1465 1465  
1466 1466  (((
1467 1467  
1480 +
1481 +
1468 1468  )))
1469 1469  
1470 1470  (((
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1496 1496  
1497 1497  (((
1498 1498  
1513 +
1514 +
1499 1499  )))
1500 1500  
1501 1501  (((
... ... @@ -1526,16 +1526,16 @@
1526 1526  )))
1527 1527  
1528 1528  
1545 +
1529 1529  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1530 1530  
1531 1531  
1532 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1549 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1533 1533  
1534 -Note: DO pins go to float when device is power off.
1535 -
1536 1536  [[image:1653357531600-905.png]]
1537 1537  
1538 1538  
1554 +
1539 1539  === 3.6.4 Analog Input Interface ===
1540 1540  
1541 1541  
... ... @@ -1567,13 +1567,12 @@
1567 1567  [[image:1653357648330-671.png||height="155" width="733"]]
1568 1568  
1569 1569  
1586 +
1570 1570  === 3.6.5 Relay Output ===
1571 1571  
1572 1572  
1573 1573  (((
1574 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1575 -
1576 -**Note**: RO pins go to Open(NO) when device is power off.
1591 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1577 1577  )))
1578 1578  
1579 1579  [[image:image-20220524100215-9.png]]
... ... @@ -1582,6 +1582,7 @@
1582 1582  [[image:image-20220524100215-10.png||height="382" width="723"]]
1583 1583  
1584 1584  
1600 +
1585 1585  == 3.7 LEDs Indicators ==
1586 1586  
1587 1587  
... ... @@ -1588,8 +1588,10 @@
1588 1588  [[image:image-20220524100748-11.png]]
1589 1589  
1590 1590  
1607 +
1591 1591  = 4. Use AT Command =
1592 1592  
1610 +
1593 1593  == 4.1 Access AT Command ==
1594 1594  
1595 1595  
... ... @@ -1800,8 +1800,10 @@
1800 1800  )))
1801 1801  
1802 1802  
1821 +
1803 1803  == 4.2 Common AT Command Sequence ==
1804 1804  
1824 +
1805 1805  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1806 1806  
1807 1807  (((
... ... @@ -1846,6 +1846,7 @@
1846 1846  )))
1847 1847  
1848 1848  
1869 +
1849 1849  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1850 1850  
1851 1851  (((
... ... @@ -1931,6 +1931,7 @@
1931 1931  
1932 1932  )))
1933 1933  
1955 +
1934 1934  === 4.2.3 Change to Class A ===
1935 1935  
1936 1936  
... ... @@ -1942,16 +1942,10 @@
1942 1942  )))
1943 1943  
1944 1944  
1945 -= 5. Case Study =
1946 1946  
1947 -== 5.1 Counting how many objects pass in Flow Line ==
1948 -
1949 -
1950 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1951 -
1952 -
1953 1953  = 5. FAQ =
1954 1954  
1970 +
1955 1955  == 5.1 How to upgrade the image? ==
1956 1956  
1957 1957  
... ... @@ -1995,6 +1995,8 @@
1995 1995  
1996 1996  (((
1997 1997  (((
2014 +
2015 +
1998 1998  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1999 1999  
2000 2000  
... ... @@ -2008,6 +2008,7 @@
2008 2008  (((
2009 2009  
2010 2010  
2029 +
2011 2011  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2012 2012  
2013 2013  
... ... @@ -2071,6 +2071,7 @@
2071 2071  [[image:1653360498588-932.png||height="485" width="726"]]
2072 2072  
2073 2073  
2093 +
2074 2074  == 5.4 Can I see counting event in Serial? ==
2075 2075  
2076 2076  
... ... @@ -2078,11 +2078,13 @@
2078 2078  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.
2079 2079  
2080 2080  
2101 +
2081 2081  == 5.5 Can i use point to point communication for LT-22222-L? ==
2082 2082  
2083 2083  
2084 -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]].
2105 +Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]]  ，this is [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AADKXQ2v5ZT-S3sxdmbvE7UAa/LT-22222-L/image?dl=0&subfolder_nav_tracking=1]].
2085 2085  
2107 +
2086 2086  
2087 2087  )))
2088 2088  
... ... @@ -2099,6 +2099,7 @@
2099 2099  After restart, the status before power failure will be read from flash.
2100 2100  
2101 2101  
2124 +
2102 2102  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2103 2103  
2104 2104  
... ... @@ -2108,13 +2108,14 @@
2108 2108  [[image:image-20221006170630-1.png||height="610" width="945"]]
2109 2109  
2110 2110  
2111 -== 5.8 Can LT22222-L save RO state? ==
2134 +== 5.8 Can LT22222 save RO state? ==
2112 2112  
2113 -
2114 2114  Firmware version needs to be no less than 1.6.0.
2115 2115  
2116 2116  
2117 2117  = 6. Trouble Shooting =
2140 +
2141 +
2118 2118  )))
2119 2119  
2120 2120  (((
... ... @@ -2132,6 +2132,7 @@
2132 2132  (((
2133 2133  
2134 2134  
2159 +
2135 2135  == 6.2 Have trouble to upload image. ==
2136 2136  
2137 2137  
... ... @@ -2144,6 +2144,7 @@
2144 2144  (((
2145 2145  
2146 2146  
2172 +
2147 2147  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2148 2148  
2149 2149  
... ... @@ -2154,6 +2154,7 @@
2154 2154  )))
2155 2155  
2156 2156  
2183 +
2157 2157  = 7. Order Info =
2158 2158  
2159 2159  
... ... @@ -2200,6 +2200,7 @@
2200 2200  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]]
2201 2201  
2202 2202  
2230 +
2203 2203  
2204 2204  )))
2205 2205  
... ... @@ -2209,5 +2209,3 @@
2209 2209  * 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]]
2210 2210  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2211 2211  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2212 -
2213 -
image-20221112174847-1.png
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