Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 117.2 >
edited by Xiaoling
on 2023/04/26 17:51
To version < 110.1 >
edited by Bei Jinggeng
on 2022/12/22 09:19
>
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Author
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1 -XWiki.Xiaoling
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  (((
... ... @@ -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, building automation, and so on.
30 +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.
30 30  )))
31 31  
32 32  (((
... ... @@ -53,6 +53,7 @@
53 53  
54 54  )))
55 55  
57 +
56 56  == 1.2  Specifications ==
57 57  
58 58  (((
... ... @@ -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  
... ... @@ -176,47 +176,31 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 -
180 180  * Optional Customized LoRa Protocol
181 -
182 182  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 -
184 184  * AT Commands to change parameters
185 -
186 186  * Remote configure parameters via LoRa Downlink
187 -
188 188  * Firmware upgradable via program port
189 -
190 190  * Counting
191 191  
192 192  
193 -
194 194  == 1.4  Applications ==
195 195  
196 196  
197 197  * Smart Buildings & Home Automation
198 -
199 199  * Logistics and Supply Chain Management
200 -
201 201  * Smart Metering
202 -
203 203  * Smart Agriculture
204 -
205 205  * Smart Cities
206 -
207 207  * Smart Factory
208 208  
209 209  
210 -
211 211  == 1.5 Hardware Variants ==
212 212  
213 213  
214 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
215 -|(% 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**
216 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
217 -(% style="text-align:center" %)
218 -[[image:image-20230424115112-1.png||height="106" width="58"]]
219 -)))|(% style="width:334px" %)(((
204 +(% border="1" style="background-color:#f7faff; width:500px" %)
205 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
206 +|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
220 220  * 2 x Digital Input (Bi-direction)
221 221  * 2 x Digital Output
222 222  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -226,7 +226,6 @@
226 226  )))
227 227  
228 228  
229 -
230 230  = 2. Power ON Device =
231 231  
232 232  
... ... @@ -283,7 +283,7 @@
283 283  Each LT is shipped with a sticker with the default device EUI as below:
284 284  )))
285 285  
286 -[[image:image-20230425173427-2.png]]
272 +[[image:1653297924498-393.png]]
287 287  
288 288  
289 289  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
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308 308  [[image:1653298044601-602.png||height="405" width="709"]]
309 309  
310 310  
297 +
311 311  == 3.3 Uplink Payload ==
312 312  
313 313  
... ... @@ -321,7 +321,6 @@
321 321  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
322 322  
323 323  
324 -
325 325  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
326 326  
327 327  
... ... @@ -379,7 +379,6 @@
379 379  ** DO1 LED is off in both case
380 380  
381 381  
382 -
383 383  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
384 384  
385 385  
... ... @@ -668,6 +668,7 @@
668 668  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
669 669  
670 670  
656 +
671 671  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
672 672  
673 673  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -728,6 +728,7 @@
728 728  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
729 729  
730 730  
717 +
731 731  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
732 732  
733 733  [[image:image-20220524090456-4.png]]
... ... @@ -741,6 +741,7 @@
741 741  00000101: Means both DI1 and DI2 trigger are enabled.
742 742  
743 743  
731 +
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:
... ... @@ -777,7 +777,6 @@
777 777  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
778 778  
779 779  
780 -
781 781  === 3.4.1 Common Commands ===
782 782  
783 783  
... ... @@ -863,6 +863,7 @@
863 863  
864 864  
865 865  
853 +
866 866  ==== 3.4.2.5 Poll trigger settings ====
867 867  
868 868  
... ... @@ -1077,9 +1077,8 @@
1077 1077  
1078 1078   Latching time. Unit: ms
1079 1079  
1068 +Note:
1080 1080  
1081 -(% style="color:red" %)**Note: **
1082 -
1083 1083   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1084 1084  
1085 1085   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1108,7 +1108,7 @@
1108 1108  
1109 1109  
1110 1110  
1111 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1098 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1112 1112  
1113 1113  
1114 1114  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1130,7 +1130,7 @@
1130 1130  )))
1131 1131  
1132 1132  (((
1133 -[[image:image-20230426161322-1.png]]
1120 +[[image:image-20220524093724-9.png]]
1134 1134  )))
1135 1135  
1136 1136  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1137,6 +1137,7 @@
1137 1137  
1138 1138  
1139 1139  
1127 +
1140 1140  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1141 1141  
1142 1142  
... ... @@ -1168,9 +1168,8 @@
1168 1168  
1169 1169  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1170 1170  
1159 +Note:
1171 1171  
1172 -(% style="color:red" %)**Note:**
1173 -
1174 1174   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1175 1175  
1176 1176   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1181,7 +1181,7 @@
1181 1181  
1182 1182  **Example payload:**
1183 1183  
1184 -**~1. 05 01 11 07 D0**
1171 +**~1. 05 01 11 07 D**
1185 1185  
1186 1186  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1187 1187  
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1316 1316  
1317 1317  
1318 1318  
1306 +
1319 1319  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1320 1320  
1321 1321  
... ... @@ -1332,6 +1332,7 @@
1332 1332  
1333 1333  
1334 1334  
1323 +
1335 1335  ==== 3.4.2.25 Copy downlink to uplink ====
1336 1336  
1337 1337  
... ... @@ -1485,6 +1485,8 @@
1485 1485  
1486 1486  (((
1487 1487  
1477 +
1478 +
1488 1488  )))
1489 1489  
1490 1490  (((
... ... @@ -1516,6 +1516,8 @@
1516 1516  
1517 1517  (((
1518 1518  
1510 +
1511 +
1519 1519  )))
1520 1520  
1521 1521  (((
... ... @@ -1549,9 +1549,9 @@
1549 1549  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1550 1550  
1551 1551  
1552 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1545 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1553 1553  
1554 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1547 +Note: DO pins go to float when device is power off.
1555 1555  
1556 1556  [[image:1653357531600-905.png]]
1557 1557  
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1573 1573  
1574 1574  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1575 1575  
1576 -(% style="color:red" %)**Red:  12~~24v**
1569 +**Red:  12~~24v**
1577 1577  
1578 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1571 +**Yellow:  4~~20mA**
1579 1579  
1580 1580  **Black:  GND**
1581 1581  
... ... @@ -1608,6 +1608,7 @@
1608 1608  [[image:image-20220524100748-11.png]]
1609 1609  
1610 1610  
1604 +
1611 1611  = 4. Use AT Command =
1612 1612  
1613 1613  == 4.1 Access AT Command ==
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1938 1938  **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?
1939 1939  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1940 1940  
1941 -**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.**
1935 +**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**
1942 1942  
1943 1943  
1944 1944  )))
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1951 1951  
1952 1952  )))
1953 1953  
1948 +
1954 1954  === 4.2.3 Change to Class A ===
1955 1955  
1956 1956  
... ... @@ -1962,19 +1962,11 @@
1962 1962  )))
1963 1963  
1964 1964  
1965 -= 5. Case Study =
1960 += 5. FAQ =
1966 1966  
1967 -== 5.1 Counting how many objects pass in Flow Line ==
1962 +== 5.1 How to upgrade the image? ==
1968 1968  
1969 1969  
1970 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1971 -
1972 -
1973 -= 6. FAQ =
1974 -
1975 -== 6.1 How to upgrade the image? ==
1976 -
1977 -
1978 1978  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1979 1979  
1980 1980  * Support new features
... ... @@ -2002,10 +2002,8 @@
2002 2002  
2003 2003   [[image:image-20220524103407-12.png]]
2004 2004  
2005 -
2006 2006  [[image:image-20220524103429-13.png]]
2007 2007  
2008 -
2009 2009  [[image:image-20220524104033-15.png]]
2010 2010  
2011 2011  
... ... @@ -2017,7 +2017,7 @@
2017 2017  
2018 2018  (((
2019 2019  (((
2020 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2005 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2021 2021  
2022 2022  
2023 2023  )))
... ... @@ -2030,7 +2030,7 @@
2030 2030  (((
2031 2031  
2032 2032  
2033 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2018 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2034 2034  
2035 2035  
2036 2036  )))
... ... @@ -2093,7 +2093,7 @@
2093 2093  [[image:1653360498588-932.png||height="485" width="726"]]
2094 2094  
2095 2095  
2096 -== 6.4 Can I see counting event in Serial? ==
2081 +== 5.4 Can I see counting event in Serial? ==
2097 2097  
2098 2098  
2099 2099  (((
... ... @@ -2100,7 +2100,7 @@
2100 2100  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.
2101 2101  
2102 2102  
2103 -== 6.5 Can i use point to point communication for LT-22222-L? ==
2088 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2104 2104  
2105 2105  
2106 2106  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]].
... ... @@ -2109,7 +2109,7 @@
2109 2109  )))
2110 2110  
2111 2111  (((
2112 -== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2097 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2113 2113  
2114 2114  
2115 2115  If the device is not shut down, but directly powered off.
... ... @@ -2121,7 +2121,7 @@
2121 2121  After restart, the status before power failure will be read from flash.
2122 2122  
2123 2123  
2124 -== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2109 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2125 2125  
2126 2126  
2127 2127  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2130,18 +2130,18 @@
2130 2130  [[image:image-20221006170630-1.png||height="610" width="945"]]
2131 2131  
2132 2132  
2133 -== 6.8 Can LT22222-L save RO state? ==
2118 +== 5.8 Can LT22222-L save RO state? ==
2134 2134  
2135 2135  
2136 2136  Firmware version needs to be no less than 1.6.0.
2137 2137  
2138 2138  
2139 -= 7. Trouble Shooting =
2124 += 6. Trouble Shooting =
2140 2140  )))
2141 2141  
2142 2142  (((
2143 2143  (((
2144 -== 7.1 Downlink doesn't work, how to solve it? ==
2129 +== 6.1 Downlink doesn't work, how to solve it? ==
2145 2145  
2146 2146  
2147 2147  )))
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2154 2154  (((
2155 2155  
2156 2156  
2157 -== 7.2 Have trouble to upload image. ==
2142 +== 6.2 Have trouble to upload image. ==
2158 2158  
2159 2159  
2160 2160  )))
... ... @@ -2166,7 +2166,7 @@
2166 2166  (((
2167 2167  
2168 2168  
2169 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2154 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2170 2170  
2171 2171  
2172 2172  )))
... ... @@ -2176,7 +2176,7 @@
2176 2176  )))
2177 2177  
2178 2178  
2179 -= 8. Order Info =
2164 += 7. Order Info =
2180 2180  
2181 2181  
2182 2182  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
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2194 2194  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2195 2195  
2196 2196  
2182 += 8. Packing Info =
2197 2197  
2198 -= 9. Packing Info =
2199 2199  
2200 -
2201 2201  **Package Includes**:
2202 2202  
2203 2203  * LT-22222-L I/O Controller x 1
... ... @@ -2213,10 +2213,9 @@
2213 2213  * Weight / pcs : 170g
2214 2214  
2215 2215  
2200 += 9. Support =
2216 2216  
2217 -= 10. Support =
2218 2218  
2219 -
2220 2220  * (((
2221 2221  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.
2222 2222  )))
... ... @@ -2227,7 +2227,7 @@
2227 2227  
2228 2228  )))
2229 2229  
2230 -= 11. Reference​​​​​ =
2213 += 10. Reference​​​​​ =
2231 2231  
2232 2232  
2233 2233  * 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]]
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