Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 111.2 >
edited by Xiaoling
on 2023/01/29 11:26
To version < 103.1 >
edited by Bei Jinggeng
on 2022/11/10 10:26
>
Change comment: There is no comment for this version

Summary

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Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -15,6 +15,7 @@
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  
... ... @@ -184,7 +184,6 @@
184 184  * Counting
185 185  
186 186  
187 -
188 188  == 1.4  Applications ==
189 189  
190 190  
... ... @@ -196,7 +196,6 @@
196 196  * Smart Factory
197 197  
198 198  
199 -
200 200  == 1.5 Hardware Variants ==
201 201  
202 202  
... ... @@ -212,7 +212,6 @@
212 212  )))
213 213  
214 214  
215 -
216 216  = 2. Power ON Device =
217 217  
218 218  
... ... @@ -229,8 +229,10 @@
229 229  [[image:1653297104069-180.png]]
230 230  
231 231  
232 +
232 232  = 3. Operation Mode =
233 233  
235 +
234 234  == 3.1 How it works? ==
235 235  
236 236  
... ... @@ -243,6 +243,7 @@
243 243  )))
244 244  
245 245  
248 +
246 246  == 3.2 Example to join LoRaWAN network ==
247 247  
248 248  
... ... @@ -294,6 +294,7 @@
294 294  [[image:1653298044601-602.png||height="405" width="709"]]
295 295  
296 296  
300 +
297 297  == 3.3 Uplink Payload ==
298 298  
299 299  
... ... @@ -439,6 +439,7 @@
439 439  )))
440 440  
441 441  
446 +
442 442  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
443 443  
444 444  
... ... @@ -485,6 +485,7 @@
485 485  )))
486 486  
487 487  
493 +
488 488  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
489 489  
490 490  
... ... @@ -553,6 +553,7 @@
553 553  )))
554 554  
555 555  
562 +
556 556  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557 557  
558 558  
... ... @@ -600,6 +600,7 @@
600 600  )))
601 601  
602 602  
610 +
603 603  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
604 604  
605 605  
... ... @@ -654,6 +654,7 @@
654 654  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
655 655  
656 656  
665 +
657 657  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
658 658  
659 659  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -714,6 +714,7 @@
714 714  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
715 715  
716 716  
726 +
717 717  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
718 718  
719 719  [[image:image-20220524090456-4.png]]
... ... @@ -727,6 +727,7 @@
727 727  00000101: Means both DI1 and DI2 trigger are enabled.
728 728  
729 729  
740 +
730 730  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
731 731  
732 732  Downlink command to poll MOD6 status:
... ... @@ -736,6 +736,7 @@
736 736  When device got this command, it will send the MOD6 payload.
737 737  
738 738  
750 +
739 739  === 3.3.7 Payload Decoder ===
740 740  
741 741  (((
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745 745  )))
746 746  
747 747  
760 +
748 748  == 3.4 ​Configure LT via AT or Downlink ==
749 749  
750 750  
... ... @@ -763,7 +763,6 @@
763 763  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
764 764  
765 765  
766 -
767 767  === 3.4.1 Common Commands ===
768 768  
769 769  
... ... @@ -772,8 +772,10 @@
772 772  )))
773 773  
774 774  
787 +
775 775  === 3.4.2 Sensor related commands ===
776 776  
790 +
777 777  ==== 3.4.2.1 Set Transmit Interval ====
778 778  
779 779  
... ... @@ -849,6 +849,7 @@
849 849  
850 850  
851 851  
866 +
852 852  ==== 3.4.2.5 Poll trigger settings ====
853 853  
854 854  
... ... @@ -931,7 +931,7 @@
931 931  
932 932  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
933 933  
934 -(% 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)
935 935  
936 936  
937 937  
... ... @@ -1063,14 +1063,6 @@
1063 1063  
1064 1064   Latching time. Unit: ms
1065 1065  
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 -
1074 1074  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1075 1075  
1076 1076  
... ... @@ -1094,7 +1094,7 @@
1094 1094  
1095 1095  
1096 1096  
1097 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1104 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1098 1098  
1099 1099  
1100 1100  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1123,6 +1123,7 @@
1123 1123  
1124 1124  
1125 1125  
1133 +
1126 1126  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1127 1127  
1128 1128  
... ... @@ -1154,20 +1154,12 @@
1154 1154  
1155 1155  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1156 1156  
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 -
1165 1165  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1166 1166  
1167 1167  
1168 1168  **Example payload:**
1169 1169  
1170 -**~1. 05 01 11 07 D0**
1170 +**~1. 05 01 11 07 D**
1171 1171  
1172 1172  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1173 1173  
... ... @@ -1253,14 +1253,14 @@
1253 1253  
1254 1254  
1255 1255  
1256 -==== 3.4.2.20 Reset save RO DO state ====
1256 +==== 3.4.2.20 Reset save DR DO state ====
1257 1257  
1258 1258  
1259 1259  * (% style="color:#037691" %)**AT Command:**
1260 1260  
1261 -(% 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)
1262 1262  
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.
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.
1264 1264  
1265 1265  
1266 1266  * (% style="color:#037691" %)**Downlink Payload (prefix 0xAD):**
... ... @@ -1302,6 +1302,7 @@
1302 1302  
1303 1303  
1304 1304  
1305 +
1305 1305  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1306 1306  
1307 1307  
... ... @@ -1318,6 +1318,7 @@
1318 1318  
1319 1319  
1320 1320  
1322 +
1321 1321  ==== 3.4.2.25 Copy downlink to uplink ====
1322 1322  
1323 1323  
... ... @@ -1356,6 +1356,7 @@
1356 1356  [[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"]]
1357 1357  
1358 1358  
1361 +
1359 1359  == 3.5 Integrate with Mydevice ==
1360 1360  
1361 1361  
... ... @@ -1405,8 +1405,10 @@
1405 1405  [[image:image-20220524094909-5.png||height="341" width="734"]]
1406 1406  
1407 1407  
1411 +
1408 1408  == 3.6 Interface Detail ==
1409 1409  
1414 +
1410 1410  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1411 1411  
1412 1412  
... ... @@ -1415,6 +1415,7 @@
1415 1415  [[image:1653356991268-289.png]]
1416 1416  
1417 1417  
1423 +
1418 1418  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1419 1419  
1420 1420  
... ... @@ -1471,6 +1471,8 @@
1471 1471  
1472 1472  (((
1473 1473  
1480 +
1481 +
1474 1474  )))
1475 1475  
1476 1476  (((
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1502 1502  
1503 1503  (((
1504 1504  
1513 +
1514 +
1505 1505  )))
1506 1506  
1507 1507  (((
... ... @@ -1532,16 +1532,16 @@
1532 1532  )))
1533 1533  
1534 1534  
1545 +
1535 1535  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1536 1536  
1537 1537  
1538 -**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.
1539 1539  
1540 -Note: DO pins go to float when device is power off.
1541 -
1542 1542  [[image:1653357531600-905.png]]
1543 1543  
1544 1544  
1554 +
1545 1545  === 3.6.4 Analog Input Interface ===
1546 1546  
1547 1547  
... ... @@ -1573,13 +1573,12 @@
1573 1573  [[image:1653357648330-671.png||height="155" width="733"]]
1574 1574  
1575 1575  
1586 +
1576 1576  === 3.6.5 Relay Output ===
1577 1577  
1578 1578  
1579 1579  (((
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.
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:
1583 1583  )))
1584 1584  
1585 1585  [[image:image-20220524100215-9.png]]
... ... @@ -1588,6 +1588,7 @@
1588 1588  [[image:image-20220524100215-10.png||height="382" width="723"]]
1589 1589  
1590 1590  
1600 +
1591 1591  == 3.7 LEDs Indicators ==
1592 1592  
1593 1593  
... ... @@ -1594,8 +1594,10 @@
1594 1594  [[image:image-20220524100748-11.png]]
1595 1595  
1596 1596  
1607 +
1597 1597  = 4. Use AT Command =
1598 1598  
1610 +
1599 1599  == 4.1 Access AT Command ==
1600 1600  
1601 1601  
... ... @@ -1806,8 +1806,10 @@
1806 1806  )))
1807 1807  
1808 1808  
1821 +
1809 1809  == 4.2 Common AT Command Sequence ==
1810 1810  
1824 +
1811 1811  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1812 1812  
1813 1813  (((
... ... @@ -1852,6 +1852,7 @@
1852 1852  )))
1853 1853  
1854 1854  
1869 +
1855 1855  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1856 1856  
1857 1857  (((
... ... @@ -1937,6 +1937,7 @@
1937 1937  
1938 1938  )))
1939 1939  
1955 +
1940 1940  === 4.2.3 Change to Class A ===
1941 1941  
1942 1942  
... ... @@ -1948,8 +1948,10 @@
1948 1948  )))
1949 1949  
1950 1950  
1967 +
1951 1951  = 5. FAQ =
1952 1952  
1970 +
1953 1953  == 5.1 How to upgrade the image? ==
1954 1954  
1955 1955  
... ... @@ -1993,6 +1993,8 @@
1993 1993  
1994 1994  (((
1995 1995  (((
2014 +
2015 +
1996 1996  == 5.2 How to change the LoRa Frequency Bands/Region? ==
1997 1997  
1998 1998  
... ... @@ -2006,6 +2006,7 @@
2006 2006  (((
2007 2007  
2008 2008  
2029 +
2009 2009  == 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2010 2010  
2011 2011  
... ... @@ -2069,6 +2069,7 @@
2069 2069  [[image:1653360498588-932.png||height="485" width="726"]]
2070 2070  
2071 2071  
2093 +
2072 2072  == 5.4 Can I see counting event in Serial? ==
2073 2073  
2074 2074  
... ... @@ -2076,11 +2076,13 @@
2076 2076  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.
2077 2077  
2078 2078  
2101 +
2079 2079  == 5.5 Can i use point to point communication for LT-22222-L? ==
2080 2080  
2081 2081  
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]].
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]].
2083 2083  
2107 +
2084 2084  
2085 2085  )))
2086 2086  
... ... @@ -2097,6 +2097,7 @@
2097 2097  After restart, the status before power failure will be read from flash.
2098 2098  
2099 2099  
2124 +
2100 2100  == 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2101 2101  
2102 2102  
... ... @@ -2106,13 +2106,14 @@
2106 2106  [[image:image-20221006170630-1.png||height="610" width="945"]]
2107 2107  
2108 2108  
2109 -== 5.8 Can LT22222-L save RO state? ==
2134 +== 5.8 Can LT22222 save RO state? ==
2110 2110  
2111 -
2112 2112  Firmware version needs to be no less than 1.6.0.
2113 2113  
2114 2114  
2115 2115  = 6. Trouble Shooting =
2140 +
2141 +
2116 2116  )))
2117 2117  
2118 2118  (((
... ... @@ -2130,6 +2130,7 @@
2130 2130  (((
2131 2131  
2132 2132  
2159 +
2133 2133  == 6.2 Have trouble to upload image. ==
2134 2134  
2135 2135  
... ... @@ -2142,6 +2142,7 @@
2142 2142  (((
2143 2143  
2144 2144  
2172 +
2145 2145  == 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2146 2146  
2147 2147  
... ... @@ -2152,6 +2152,7 @@
2152 2152  )))
2153 2153  
2154 2154  
2183 +
2155 2155  = 7. Order Info =
2156 2156  
2157 2157  
... ... @@ -2170,7 +2170,6 @@
2170 2170  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2171 2171  
2172 2172  
2173 -
2174 2174  = 8. Packing Info =
2175 2175  
2176 2176  
... ... @@ -2189,7 +2189,6 @@
2189 2189  * Weight / pcs : 170g
2190 2190  
2191 2191  
2192 -
2193 2193  = 9. Support =
2194 2194  
2195 2195  
... ... @@ -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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... ... @@ -1,1 +1,0 @@
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