Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 107.1 >
edited by Bei Jinggeng
on 2022/11/18 10:08
To version < 117.1 >
edited by Bei Jinggeng
on 2023/04/26 16:20
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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  (((
... ... @@ -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  
... ... @@ -179,29 +179,45 @@
179 179  
180 180  
181 181  * LoRaWAN Class A & Class C protocol
179 +
182 182  * Optional Customized LoRa Protocol
181 +
183 183  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
184 184  * AT Commands to change parameters
185 +
185 185  * Remote configure parameters via LoRa Downlink
187 +
186 186  * Firmware upgradable via program port
189 +
187 187  * Counting
188 188  
192 +
189 189  == 1.4  Applications ==
190 190  
191 191  
192 192  * Smart Buildings & Home Automation
197 +
193 193  * Logistics and Supply Chain Management
199 +
194 194  * Smart Metering
201 +
195 195  * Smart Agriculture
203 +
196 196  * Smart Cities
205 +
197 197  * Smart Factory
198 198  
208 +
199 199  == 1.5 Hardware Variants ==
200 200  
201 201  
202 -(% border="1" style="background-color:#f7faff; width:500px" %)
203 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
204 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
212 +(% border="1" style="background-color:#f2f2f2; width:500px" %)
213 +|(% 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**
214 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
215 +(% style="text-align:center" %)
216 +[[image:image-20230424115112-1.png||height="106" width="58"]]
217 +)))|(% style="width:334px" %)(((
205 205  * 2 x Digital Input (Bi-direction)
206 206  * 2 x Digital Output
207 207  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -210,6 +210,7 @@
210 210  * 1 x Counting Port
211 211  )))
212 212  
226 +
213 213  = 2. Power ON Device =
214 214  
215 215  
... ... @@ -226,10 +226,8 @@
226 226  [[image:1653297104069-180.png]]
227 227  
228 228  
229 -
230 230  = 3. Operation Mode =
231 231  
232 -
233 233  == 3.1 How it works? ==
234 234  
235 235  
... ... @@ -242,7 +242,6 @@
242 242  )))
243 243  
244 244  
245 -
246 246  == 3.2 Example to join LoRaWAN network ==
247 247  
248 248  
... ... @@ -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]]
283 +[[image:image-20230425173427-2.png]]
273 273  
274 274  
275 275  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -294,7 +294,6 @@
294 294  [[image:1653298044601-602.png||height="405" width="709"]]
295 295  
296 296  
297 -
298 298  == 3.3 Uplink Payload ==
299 299  
300 300  
... ... @@ -436,7 +436,6 @@
436 436  )))
437 437  
438 438  
439 -
440 440  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
441 441  
442 442  
... ... @@ -483,7 +483,6 @@
483 483  )))
484 484  
485 485  
486 -
487 487  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
488 488  
489 489  
... ... @@ -552,7 +552,6 @@
552 552  )))
553 553  
554 554  
555 -
556 556  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
557 557  
558 558  
... ... @@ -600,7 +600,6 @@
600 600  )))
601 601  
602 602  
603 -
604 604  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
605 605  
606 606  
... ... @@ -655,7 +655,6 @@
655 655  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
656 656  
657 657  
658 -
659 659  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
660 660  
661 661  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -716,7 +716,6 @@
716 716  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
717 717  
718 718  
719 -
720 720  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
721 721  
722 722  [[image:image-20220524090456-4.png]]
... ... @@ -730,7 +730,6 @@
730 730  00000101: Means both DI1 and DI2 trigger are enabled.
731 731  
732 732  
733 -
734 734  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
735 735  
736 736  Downlink command to poll MOD6 status:
... ... @@ -740,7 +740,6 @@
740 740  When device got this command, it will send the MOD6 payload.
741 741  
742 742  
743 -
744 744  === 3.3.7 Payload Decoder ===
745 745  
746 746  (((
... ... @@ -750,7 +750,6 @@
750 750  )))
751 751  
752 752  
753 -
754 754  == 3.4 ​Configure LT via AT or Downlink ==
755 755  
756 756  
... ... @@ -776,10 +776,8 @@
776 776  )))
777 777  
778 778  
779 -
780 780  === 3.4.2 Sensor related commands ===
781 781  
782 -
783 783  ==== 3.4.2.1 Set Transmit Interval ====
784 784  
785 785  
... ... @@ -855,7 +855,6 @@
855 855  
856 856  
857 857  
858 -
859 859  ==== 3.4.2.5 Poll trigger settings ====
860 860  
861 861  
... ... @@ -938,7 +938,7 @@
938 938  
939 939  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
940 940  
941 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
939 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
942 942  
943 943  
944 944  
... ... @@ -1070,6 +1070,14 @@
1070 1070  
1071 1071   Latching time. Unit: ms
1072 1072  
1071 +
1072 +(% style="color:red" %)**Note: **
1073 +
1074 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1075 +
1076 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1077 +
1078 +
1073 1073  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1074 1074  
1075 1075  
... ... @@ -1093,7 +1093,7 @@
1093 1093  
1094 1094  
1095 1095  
1096 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1102 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1097 1097  
1098 1098  
1099 1099  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1115,7 +1115,7 @@
1115 1115  )))
1116 1116  
1117 1117  (((
1118 -[[image:image-20220524093724-9.png]]
1124 +[[image:image-20230426161322-1.png]]
1119 1119  )))
1120 1120  
1121 1121  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1122,7 +1122,6 @@
1122 1122  
1123 1123  
1124 1124  
1125 -
1126 1126  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1127 1127  
1128 1128  
... ... @@ -1154,12 +1154,20 @@
1154 1154  
1155 1155  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1156 1156  
1162 +
1163 +(% style="color:red" %)**Note:**
1164 +
1165 + Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1166 +
1167 + Before Firmwre v1.6.0 the latch time only suport 2 bytes.
1168 +
1169 +
1157 1157  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
1158 1158  
1159 1159  
1160 1160  **Example payload:**
1161 1161  
1162 -**~1. 05 01 11 07 D**
1175 +**~1. 05 01 11 07 D0**
1163 1163  
1164 1164  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1165 1165  
... ... @@ -1294,7 +1294,6 @@
1294 1294  
1295 1295  
1296 1296  
1297 -
1298 1298  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1299 1299  
1300 1300  
... ... @@ -1311,7 +1311,6 @@
1311 1311  
1312 1312  
1313 1313  
1314 -
1315 1315  ==== 3.4.2.25 Copy downlink to uplink ====
1316 1316  
1317 1317  
... ... @@ -1350,7 +1350,6 @@
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  
1353 -
1354 1354  == 3.5 Integrate with Mydevice ==
1355 1355  
1356 1356  
... ... @@ -1400,10 +1400,8 @@
1400 1400  [[image:image-20220524094909-5.png||height="341" width="734"]]
1401 1401  
1402 1402  
1403 -
1404 1404  == 3.6 Interface Detail ==
1405 1405  
1406 -
1407 1407  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
1408 1408  
1409 1409  
... ... @@ -1412,7 +1412,6 @@
1412 1412  [[image:1653356991268-289.png]]
1413 1413  
1414 1414  
1415 -
1416 1416  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1417 1417  
1418 1418  
... ... @@ -1469,8 +1469,6 @@
1469 1469  
1470 1470  (((
1471 1471  
1472 -
1473 -
1474 1474  )))
1475 1475  
1476 1476  (((
... ... @@ -1502,8 +1502,6 @@
1502 1502  
1503 1503  (((
1504 1504  
1505 -
1506 -
1507 1507  )))
1508 1508  
1509 1509  (((
... ... @@ -1534,18 +1534,16 @@
1534 1534  )))
1535 1535  
1536 1536  
1537 -
1538 1538  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1539 1539  
1540 1540  
1541 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1543 +(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1542 1542  
1543 -Note: DO pins go to float when device is power off.
1545 +(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1544 1544  
1545 1545  [[image:1653357531600-905.png]]
1546 1546  
1547 1547  
1548 -
1549 1549  === 3.6.4 Analog Input Interface ===
1550 1550  
1551 1551  
... ... @@ -1563,9 +1563,9 @@
1563 1563  
1564 1564  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1565 1565  
1566 -**Red:  12~~24v**
1567 +(% style="color:red" %)**Red:  12~~24v**
1567 1567  
1568 -**Yellow:  4~~20mA**
1569 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1569 1569  
1570 1570  **Black:  GND**
1571 1571  
... ... @@ -1577,7 +1577,6 @@
1577 1577  [[image:1653357648330-671.png||height="155" width="733"]]
1578 1578  
1579 1579  
1580 -
1581 1581  === 3.6.5 Relay Output ===
1582 1582  
1583 1583  
... ... @@ -1593,7 +1593,6 @@
1593 1593  [[image:image-20220524100215-10.png||height="382" width="723"]]
1594 1594  
1595 1595  
1596 -
1597 1597  == 3.7 LEDs Indicators ==
1598 1598  
1599 1599  
... ... @@ -1600,10 +1600,8 @@
1600 1600  [[image:image-20220524100748-11.png]]
1601 1601  
1602 1602  
1603 -
1604 1604  = 4. Use AT Command =
1605 1605  
1606 -
1607 1607  == 4.1 Access AT Command ==
1608 1608  
1609 1609  
... ... @@ -1814,10 +1814,8 @@
1814 1814  )))
1815 1815  
1816 1816  
1817 -
1818 1818  == 4.2 Common AT Command Sequence ==
1819 1819  
1820 -
1821 1821  === 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1822 1822  
1823 1823  (((
... ... @@ -1862,7 +1862,6 @@
1862 1862  )))
1863 1863  
1864 1864  
1865 -
1866 1866  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1867 1867  
1868 1868  (((
... ... @@ -1935,7 +1935,7 @@
1935 1935  **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?
1936 1936  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1937 1937  
1938 -**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**
1932 +**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.**
1939 1939  
1940 1940  
1941 1941  )))
... ... @@ -1948,7 +1948,6 @@
1948 1948  
1949 1949  )))
1950 1950  
1951 -
1952 1952  === 4.2.3 Change to Class A ===
1953 1953  
1954 1954  
... ... @@ -1960,13 +1960,19 @@
1960 1960  )))
1961 1961  
1962 1962  
1956 += 5. Case Study =
1963 1963  
1964 -= 5. FAQ =
1958 +== 5.1 Counting how many objects pass in Flow Line ==
1965 1965  
1966 1966  
1967 -== 5.1 How to upgrade the image? ==
1961 +Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1968 1968  
1969 1969  
1964 += 6. FAQ =
1965 +
1966 +== 6.1 How to upgrade the image? ==
1967 +
1968 +
1970 1970  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1971 1971  
1972 1972  * Support new features
... ... @@ -1994,8 +1994,10 @@
1994 1994  
1995 1995   [[image:image-20220524103407-12.png]]
1996 1996  
1996 +
1997 1997  [[image:image-20220524103429-13.png]]
1998 1998  
1999 +
1999 1999  [[image:image-20220524104033-15.png]]
2000 2000  
2001 2001  
... ... @@ -2007,10 +2007,8 @@
2007 2007  
2008 2008  (((
2009 2009  (((
2010 -
2011 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
2011 2011  
2012 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2013 -
2014 2014  
2015 2015  )))
2016 2016  )))
... ... @@ -2022,9 +2022,8 @@
2022 2022  (((
2023 2023  
2024 2024  
2024 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2025 2025  
2026 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2027 -
2028 2028  
2029 2029  )))
2030 2030  
... ... @@ -2086,26 +2086,23 @@
2086 2086  [[image:1653360498588-932.png||height="485" width="726"]]
2087 2087  
2088 2088  
2087 +== 6.4 Can I see counting event in Serial? ==
2089 2089  
2090 -== 5.4 Can I see counting event in Serial? ==
2091 2091  
2092 -
2093 2093  (((
2094 2094  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.
2095 2095  
2096 2096  
2094 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2097 2097  
2098 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2099 2099  
2097 +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]].
2100 2100  
2101 -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]].
2102 -
2103 -
2104 2104  
2105 2105  )))
2106 2106  
2107 2107  (((
2108 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2103 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2109 2109  
2110 2110  
2111 2111  If the device is not shut down, but directly powered off.
... ... @@ -2117,10 +2117,9 @@
2117 2117  After restart, the status before power failure will be read from flash.
2118 2118  
2119 2119  
2115 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2120 2120  
2121 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2122 2122  
2123 -
2124 2124  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
2125 2125  
2126 2126  
... ... @@ -2127,21 +2127,18 @@
2127 2127  [[image:image-20221006170630-1.png||height="610" width="945"]]
2128 2128  
2129 2129  
2130 -== 5.8 Can LT22222-L save RO state? ==
2124 +== 6.8 Can LT22222-L save RO state? ==
2131 2131  
2132 2132  
2133 2133  Firmware version needs to be no less than 1.6.0.
2134 2134  
2135 2135  
2136 -
2137 -= 6. Trouble Shooting =
2138 -
2139 -
2130 += 7. Trouble Shooting =
2140 2140  )))
2141 2141  
2142 2142  (((
2143 2143  (((
2144 -== 6.1 Downlink doesn't work, how to solve it? ==
2135 +== 7.1 Downlink doesn't work, how to solve it? ==
2145 2145  
2146 2146  
2147 2147  )))
... ... @@ -2154,9 +2154,8 @@
2154 2154  (((
2155 2155  
2156 2156  
2148 +== 7.2 Have trouble to upload image. ==
2157 2157  
2158 -== 6.2 Have trouble to upload image. ==
2159 -
2160 2160  
2161 2161  )))
2162 2162  
... ... @@ -2167,9 +2167,8 @@
2167 2167  (((
2168 2168  
2169 2169  
2160 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2170 2170  
2171 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2172 -
2173 2173  
2174 2174  )))
2175 2175  
... ... @@ -2178,10 +2178,9 @@
2178 2178  )))
2179 2179  
2180 2180  
2170 += 8. Order Info =
2181 2181  
2182 -= 7. Order Info =
2183 2183  
2184 -
2185 2185  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
2186 2186  
2187 2187  (% style="color:#4f81bd" %)**XXX:**
... ... @@ -2196,9 +2196,10 @@
2196 2196  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2197 2197  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2198 2198  
2199 -= 8. Packing Info =
2200 2200  
2188 += 9. Packing Info =
2201 2201  
2190 +
2202 2202  **Package Includes**:
2203 2203  
2204 2204  * LT-22222-L I/O Controller x 1
... ... @@ -2213,9 +2213,10 @@
2213 2213  * Package Size / pcs : 14.5 x 8 x 5 cm
2214 2214  * Weight / pcs : 170g
2215 2215  
2216 -= 9. Support =
2217 2217  
2206 += 10. Support =
2218 2218  
2208 +
2219 2219  * (((
2220 2220  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.
2221 2221  )))
... ... @@ -2226,9 +2226,10 @@
2226 2226  
2227 2227  )))
2228 2228  
2229 -= 10. Reference​​​​​ =
2219 += 11. Reference​​​​​ =
2230 2230  
2231 2231  
2232 2232  * 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]]
2233 2233  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2234 2234  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2225 +
image-20230424115112-1.png
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1 +XWiki.Xiaoling
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