<
From version < 104.2 >
edited by Xiaoling
on 2022/11/12 17:51
To version < 111.2 >
edited by Xiaoling
on 2023/01/29 11:26
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -15,7 +15,6 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -
19 19  == 1.1 What is LT Series I/O Controller ==
20 20  
21 21  (((
... ... @@ -54,7 +54,6 @@
54 54  
55 55  )))
56 56  
57 -
58 58  == 1.2  Specifications ==
59 59  
60 60  (((
... ... @@ -64,7 +64,7 @@
64 64  )))
65 65  
66 66  * (((
67 -STM32L072CZT6 MCU
65 +STM32L072xxxx MCU
68 68  )))
69 69  * (((
70 70  SX1276/78 Wireless Chip 
... ... @@ -171,7 +171,6 @@
171 171  Packet engine up to 256 bytes with CRC.
172 172  
173 173  
174 -
175 175  
176 176  )))
177 177  
... ... @@ -232,10 +232,8 @@
232 232  [[image:1653297104069-180.png]]
233 233  
234 234  
235 -
236 236  = 3. Operation Mode =
237 237  
238 -
239 239  == 3.1 How it works? ==
240 240  
241 241  
... ... @@ -248,7 +248,6 @@
248 248  )))
249 249  
250 250  
251 -
252 252  == 3.2 Example to join LoRaWAN network ==
253 253  
254 254  
... ... @@ -300,7 +300,6 @@
300 300  [[image:1653298044601-602.png||height="405" width="709"]]
301 301  
302 302  
303 -
304 304  == 3.3 Uplink Payload ==
305 305  
306 306  
... ... @@ -446,7 +446,6 @@
446 446  )))
447 447  
448 448  
449 -
450 450  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
451 451  
452 452  
... ... @@ -493,7 +493,6 @@
493 493  )))
494 494  
495 495  
496 -
497 497  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
498 498  
499 499  
... ... @@ -562,7 +562,6 @@
562 562  )))
563 563  
564 564  
565 -
566 566  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
567 567  
568 568  
... ... @@ -610,7 +610,6 @@
610 610  )))
611 611  
612 612  
613 -
614 614  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
615 615  
616 616  
... ... @@ -665,7 +665,6 @@
665 665  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
666 666  
667 667  
668 -
669 669  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
670 670  
671 671  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -726,7 +726,6 @@
726 726  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
727 727  
728 728  
729 -
730 730  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
731 731  
732 732  [[image:image-20220524090456-4.png]]
... ... @@ -740,7 +740,6 @@
740 740  00000101: Means both DI1 and DI2 trigger are enabled.
741 741  
742 742  
743 -
744 744  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
745 745  
746 746  Downlink command to poll MOD6 status:
... ... @@ -750,7 +750,6 @@
750 750  When device got this command, it will send the MOD6 payload.
751 751  
752 752  
753 -
754 754  === 3.3.7 Payload Decoder ===
755 755  
756 756  (((
... ... @@ -760,7 +760,6 @@
760 760  )))
761 761  
762 762  
763 -
764 764  == 3.4 ​Configure LT via AT or Downlink ==
765 765  
766 766  
... ... @@ -788,10 +788,8 @@
788 788  )))
789 789  
790 790  
791 -
792 792  === 3.4.2 Sensor related commands ===
793 793  
794 -
795 795  ==== 3.4.2.1 Set Transmit Interval ====
796 796  
797 797  
... ... @@ -867,7 +867,6 @@
867 867  
868 868  
869 869  
870 -
871 871  ==== 3.4.2.5 Poll trigger settings ====
872 872  
873 873  
... ... @@ -950,7 +950,7 @@
950 950  
951 951  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
952 952  
953 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
934 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
954 954  
955 955  
956 956  
... ... @@ -1082,6 +1082,14 @@
1082 1082  
1083 1083   Latching time. Unit: ms
1084 1084  
1066 +
1067 +(% style="color:red" %)**Note: **
1068 +
1069 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1070 +
1071 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1072 +
1073 +
1085 1085  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1086 1086  
1087 1087  
... ... @@ -1105,7 +1105,7 @@
1105 1105  
1106 1106  
1107 1107  
1108 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1097 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1109 1109  
1110 1110  
1111 1111  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1134,7 +1134,6 @@
1134 1134  
1135 1135  
1136 1136  
1137 -
1138 1138  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1139 1139  
1140 1140  
... ... @@ -1166,12 +1166,20 @@
1166 1166  
1167 1167  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1168 1168  
1157 +
1158 +(% style="color:red" %)**Note:**
1159 +
1160 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1161 +
1162 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1163 +
1164 +
1169 1169  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1170 1170  
1171 1171  
1172 1172  **Example payload:**
1173 1173  
1174 -**~1. 05 01 11 07 D**
1170 +**~1. 05 01 11 07 D0**
1175 1175  
1176 1176  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1177 1177  
... ... @@ -1257,14 +1257,14 @@
1257 1257  
1258 1258  
1259 1259  
1260 -==== 3.4.2.20 Reset save DR DO state ====
1256 +==== 3.4.2.20 Reset save RO DO state ====
1261 1261  
1262 1262  
1263 1263  * (% style="color:#037691" %)**AT Command:**
1264 1264  
1265 -(% style="color:blue" %)**AT+RODORET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1261 +(% style="color:blue" %)**AT+RODORESET=1    **(%%)~/~/ RODO will close when the device joining the network. (default)
1266 1266  
1267 -(% 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.
1263 +(% 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.
1268 1268  
1269 1269  
1270 1270  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
... ... @@ -1306,7 +1306,6 @@
1306 1306  
1307 1307  
1308 1308  
1309 -
1310 1310  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1311 1311  
1312 1312  
... ... @@ -1323,7 +1323,6 @@
1323 1323  
1324 1324  
1325 1325  
1326 -
1327 1327  ==== 3.4.2.25 Copy downlink to uplink ====
1328 1328  
1329 1329  
... ... @@ -1362,7 +1362,6 @@
1362 1362  [[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"]]
1363 1363  
1364 1364  
1365 -
1366 1366  == 3.5 Integrate with Mydevice ==
1367 1367  
1368 1368  
... ... @@ -1412,10 +1412,8 @@
1412 1412  [[image:image-20220524094909-5.png||height="341" width="734"]]
1413 1413  
1414 1414  
1415 -
1416 1416  == 3.6 Interface Detail ==
1417 1417  
1418 -
1419 1419  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1420 1420  
1421 1421  
... ... @@ -1424,7 +1424,6 @@
1424 1424  [[image:1653356991268-289.png]]
1425 1425  
1426 1426  
1427 -
1428 1428  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1429 1429  
1430 1430  
... ... @@ -1481,8 +1481,6 @@
1481 1481  
1482 1482  (((
1483 1483  
1484 -
1485 -
1486 1486  )))
1487 1487  
1488 1488  (((
... ... @@ -1514,8 +1514,6 @@
1514 1514  
1515 1515  (((
1516 1516  
1517 -
1518 -
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1546,16 +1546,16 @@
1546 1546  )))
1547 1547  
1548 1548  
1549 -
1550 1550  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1551 1551  
1552 1552  
1553 -NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1538 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1554 1554  
1540 +Note: DO pins go to float when device is power off.
1541 +
1555 1555  [[image:1653357531600-905.png]]
1556 1556  
1557 1557  
1558 -
1559 1559  === 3.6.4 Analog Input Interface ===
1560 1560  
1561 1561  
... ... @@ -1587,12 +1587,13 @@
1587 1587  [[image:1653357648330-671.png||height="155" width="733"]]
1588 1588  
1589 1589  
1590 -
1591 1591  === 3.6.5 Relay Output ===
1592 1592  
1593 1593  
1594 1594  (((
1595 -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:
1580 +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:
1581 +
1582 +**Note**: RO pins go to Open(NO) when device is power off.
1596 1596  )))
1597 1597  
1598 1598  [[image:image-20220524100215-9.png]]
... ... @@ -1601,7 +1601,6 @@
1601 1601  [[image:image-20220524100215-10.png||height="382" width="723"]]
1602 1602  
1603 1603  
1604 -
1605 1605  == 3.7 LEDs Indicators ==
1606 1606  
1607 1607  
... ... @@ -1608,10 +1608,8 @@
1608 1608  [[image:image-20220524100748-11.png]]
1609 1609  
1610 1610  
1611 -
1612 1612  = 4. Use AT Command =
1613 1613  
1614 -
1615 1615  == 4.1 Access AT Command ==
1616 1616  
1617 1617  
... ... @@ -1822,10 +1822,8 @@
1822 1822  )))
1823 1823  
1824 1824  
1825 -
1826 1826  == 4.2 Common AT Command Sequence ==
1827 1827  
1828 -
1829 1829  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1830 1830  
1831 1831  (((
... ... @@ -1870,7 +1870,6 @@
1870 1870  )))
1871 1871  
1872 1872  
1873 -
1874 1874  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1875 1875  
1876 1876  (((
... ... @@ -1956,7 +1956,6 @@
1956 1956  
1957 1957  )))
1958 1958  
1959 -
1960 1960  === 4.2.3 Change to Class A ===
1961 1961  
1962 1962  
... ... @@ -1968,10 +1968,8 @@
1968 1968  )))
1969 1969  
1970 1970  
1971 -
1972 1972  = 5. FAQ =
1973 1973  
1974 -
1975 1975  == 5.1 How to upgrade the image? ==
1976 1976  
1977 1977  
... ... @@ -2015,8 +2015,6 @@
2015 2015  
2016 2016  (((
2017 2017  (((
2018 -
2019 -
2020 2020  == 5.2 How to change the LoRa Frequency Bands/Region? ==
2021 2021  
2022 2022  
... ... @@ -2030,7 +2030,6 @@
2030 2030  (((
2031 2031  
2032 2032  
2033 -
2034 2034  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2035 2035  
2036 2036  
... ... @@ -2094,7 +2094,6 @@
2094 2094  [[image:1653360498588-932.png||height="485" width="726"]]
2095 2095  
2096 2096  
2097 -
2098 2098  == 5.4 Can I see counting event in Serial? ==
2099 2099  
2100 2100  
... ... @@ -2102,13 +2102,11 @@
2102 2102  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.
2103 2103  
2104 2104  
2105 -
2106 2106  == 5.5 Can i use point to point communication for LT-22222-L? ==
2107 2107  
2108 2108  
2109 -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]].
2082 +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]].
2110 2110  
2111 -
2112 2112  
2113 2113  )))
2114 2114  
... ... @@ -2125,7 +2125,6 @@
2125 2125  After restart, the status before power failure will be read from flash.
2126 2126  
2127 2127  
2128 -
2129 2129  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2130 2130  
2131 2131  
... ... @@ -2141,10 +2141,7 @@
2141 2141  Firmware version needs to be no less than 1.6.0.
2142 2142  
2143 2143  
2144 -
2145 2145  = 6. Trouble Shooting =
2146 -
2147 -
2148 2148  )))
2149 2149  
2150 2150  (((
... ... @@ -2162,7 +2162,6 @@
2162 2162  (((
2163 2163  
2164 2164  
2165 -
2166 2166  == 6.2 Have trouble to upload image. ==
2167 2167  
2168 2168  
... ... @@ -2175,7 +2175,6 @@
2175 2175  (((
2176 2176  
2177 2177  
2178 -
2179 2179  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2180 2180  
2181 2181  
... ... @@ -2186,7 +2186,6 @@
2186 2186  )))
2187 2187  
2188 2188  
2189 -
2190 2190  = 7. Order Info =
2191 2191  
2192 2192  
... ... @@ -2244,3 +2244,5 @@
2244 2244  * 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]]
2245 2245  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2246 2246  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2212 +
2213 +
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