Skip to Content
Last modified by Mengting Qiu on 2025/06/04 18:42
From version 109.2
edited by Xiaoling
on 2022/11/21 11:37
Change comment: There is no comment for this version
To version 112.2
edited by Xiaoling
on 2023/03/31 09:35
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  
... ... @@ -186,8 +186,6 @@
186 186  * Firmware upgradable via program port
187 187  * Counting
188 188  
189 -
190 -
191 191  == 1.4  Applications ==
192 192  
193 193  
... ... @@ -198,8 +198,6 @@
198 198  * Smart Cities
199 199  * Smart Factory
200 200  
201 -
202 -
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
... ... @@ -214,8 +214,6 @@
214 214  * 1 x Counting Port
215 215  )))
216 216  
217 -
218 -
219 219  = 2. Power ON Device =
220 220  
221 221  
... ... @@ -297,7 +297,6 @@
297 297  [[image:1653298044601-602.png||height="405" width="709"]]
298 298  
299 299  
300 -
301 301  == 3.3 Uplink Payload ==
302 302  
303 303  
... ... @@ -310,8 +310,6 @@
310 310  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
311 311  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
312 312  
313 -
314 -
315 315  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
316 316  
317 317  
... ... @@ -368,8 +368,6 @@
368 368  ** DO1 is high in case there is load between DO1 and V+.
369 369  ** DO1 LED is off in both case
370 370  
371 -
372 -
373 373  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
374 374  
375 375  
... ... @@ -658,7 +658,6 @@
658 658  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
659 659  
660 660  
661 -
662 662  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
663 663  
664 664  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -719,7 +719,6 @@
719 719  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
720 720  
721 721  
722 -
723 723  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
724 724  
725 725  [[image:image-20220524090456-4.png]]
... ... @@ -733,7 +733,6 @@
733 733  00000101: Means both DI1 and DI2 trigger are enabled.
734 734  
735 735  
736 -
737 737  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
738 738  
739 739  Downlink command to poll MOD6 status:
... ... @@ -769,8 +769,6 @@
769 769  
770 770  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
771 771  
772 -
773 -
774 774  === 3.4.1 Common Commands ===
775 775  
776 776  
... ... @@ -856,7 +856,6 @@
856 856  
857 857  
858 858  
859 -
860 860  ==== 3.4.2.5 Poll trigger settings ====
861 861  
862 862  
... ... @@ -939,7 +939,7 @@
939 939  
940 940  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
941 941  
942 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
922 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
943 943  
944 944  
945 945  
... ... @@ -1071,8 +1071,9 @@
1071 1071  
1072 1072   Latching time. Unit: ms
1073 1073  
1074 -Note:
1075 1075  
1055 +(% style="color:red" %)**Note: **
1056 +
1076 1076   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1077 1077  
1078 1078   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1101,7 +1101,7 @@
1101 1101  
1102 1102  
1103 1103  
1104 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1085 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1105 1105  
1106 1106  
1107 1107  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1130,7 +1130,6 @@
1130 1130  
1131 1131  
1132 1132  
1133 -
1134 1134  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1135 1135  
1136 1136  
... ... @@ -1162,8 +1162,9 @@
1162 1162  
1163 1163  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1164 1164  
1165 -Note:
1166 1166  
1146 +(% style="color:red" %)**Note:**
1147 +
1167 1167   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1168 1168  
1169 1169   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1174,7 +1174,7 @@
1174 1174  
1175 1175  **Example payload:**
1176 1176  
1177 -**~1. 05 01 11 07 D**
1158 +**~1. 05 01 11 07 D0**
1178 1178  
1179 1179  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1180 1180  
... ... @@ -1309,7 +1309,6 @@
1309 1309  
1310 1310  
1311 1311  
1312 -
1313 1313  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1314 1314  
1315 1315  
... ... @@ -1326,7 +1326,6 @@
1326 1326  
1327 1327  
1328 1328  
1329 -
1330 1330  ==== 3.4.2.25 Copy downlink to uplink ====
1331 1331  
1332 1332  
... ... @@ -1480,8 +1480,6 @@
1480 1480  
1481 1481  (((
1482 1482  
1483 -
1484 -
1485 1485  )))
1486 1486  
1487 1487  (((
... ... @@ -1513,8 +1513,6 @@
1513 1513  
1514 1514  (((
1515 1515  
1516 -
1517 -
1518 1518  )))
1519 1519  
1520 1520  (((
... ... @@ -1607,7 +1607,6 @@
1607 1607  [[image:image-20220524100748-11.png]]
1608 1608  
1609 1609  
1610 -
1611 1611  = 4. Use AT Command =
1612 1612  
1613 1613  == 4.1 Access AT Command ==
... ... @@ -1951,7 +1951,6 @@
1951 1951  
1952 1952  )))
1953 1953  
1954 -
1955 1955  === 4.2.3 Change to Class A ===
1956 1956  
1957 1957  
... ... @@ -1963,11 +1963,19 @@
1963 1963  )))
1964 1964  
1965 1965  
1966 -= 5. FAQ =
1939 += 5. Case Study =
1967 1967  
1968 -== 5.1 How to upgrade the image? ==
1941 +== 5.1 Counting how many objects pass in Flow Line ==
1969 1969  
1970 1970  
1944 +Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1945 +
1946 +
1947 += 6. FAQ =
1948 +
1949 +== 6.1 How to upgrade the image? ==
1950 +
1951 +
1971 1971  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1972 1972  
1973 1973  * Support new features
... ... @@ -2008,7 +2008,7 @@
2008 2008  
2009 2009  (((
2010 2010  (((
2011 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
1992 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
2012 2012  
2013 2013  
2014 2014  )))
... ... @@ -2021,7 +2021,7 @@
2021 2021  (((
2022 2022  
2023 2023  
2024 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2005 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2025 2025  
2026 2026  
2027 2027  )))
... ... @@ -2084,7 +2084,7 @@
2084 2084  [[image:1653360498588-932.png||height="485" width="726"]]
2085 2085  
2086 2086  
2087 -== 5.4 Can I see counting event in Serial? ==
2068 +== 6.4 Can I see counting event in Serial? ==
2088 2088  
2089 2089  
2090 2090  (((
... ... @@ -2091,7 +2091,7 @@
2091 2091  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.
2092 2092  
2093 2093  
2094 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2075 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2095 2095  
2096 2096  
2097 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]].
... ... @@ -2100,7 +2100,7 @@
2100 2100  )))
2101 2101  
2102 2102  (((
2103 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2084 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2104 2104  
2105 2105  
2106 2106  If the device is not shut down, but directly powered off.
... ... @@ -2112,7 +2112,7 @@
2112 2112  After restart, the status before power failure will be read from flash.
2113 2113  
2114 2114  
2115 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2096 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2116 2116  
2117 2117  
2118 2118  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2121,18 +2121,18 @@
2121 2121  [[image:image-20221006170630-1.png||height="610" width="945"]]
2122 2122  
2123 2123  
2124 -== 5.8 Can LT22222-L save RO state? ==
2105 +== 6.8 Can LT22222-L save RO state? ==
2125 2125  
2126 2126  
2127 2127  Firmware version needs to be no less than 1.6.0.
2128 2128  
2129 2129  
2130 -= 6. Trouble Shooting =
2111 += 7. Trouble Shooting =
2131 2131  )))
2132 2132  
2133 2133  (((
2134 2134  (((
2135 -== 6.1 Downlink doesn't work, how to solve it? ==
2116 +== 7.1 Downlink doesn't work, how to solve it? ==
2136 2136  
2137 2137  
2138 2138  )))
... ... @@ -2145,7 +2145,7 @@
2145 2145  (((
2146 2146  
2147 2147  
2148 -== 6.2 Have trouble to upload image. ==
2129 +== 7.2 Have trouble to upload image. ==
2149 2149  
2150 2150  
2151 2151  )))
... ... @@ -2157,7 +2157,7 @@
2157 2157  (((
2158 2158  
2159 2159  
2160 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2141 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2161 2161  
2162 2162  
2163 2163  )))
... ... @@ -2167,7 +2167,7 @@
2167 2167  )))
2168 2168  
2169 2169  
2170 -= 7. Order Info =
2151 += 8. Order Info =
2171 2171  
2172 2172  
2173 2173  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2184,11 +2184,9 @@
2184 2184  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2185 2185  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2186 2186  
2168 += 9. Packing Info =
2187 2187  
2188 2188  
2189 -= 8. Packing Info =
2190 -
2191 -
2192 2192  **Package Includes**:
2193 2193  
2194 2194  * LT-22222-L I/O Controller x 1
... ... @@ -2203,11 +2203,9 @@
2203 2203  * Package Size / pcs : 14.5 x 8 x 5 cm
2204 2204  * Weight / pcs : 170g
2205 2205  
2185 += 10. Support =
2206 2206  
2207 2207  
2208 -= 9. Support =
2209 -
2210 -
2211 2211  * (((
2212 2212  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.
2213 2213  )))
... ... @@ -2218,9 +2218,11 @@
2218 2218  
2219 2219  )))
2220 2220  
2221 -= 10. Reference​​​​​ =
2198 += 11. Reference​​​​​ =
2222 2222  
2223 2223  
2224 2224  * 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]]
2225 2225  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2226 2226  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2204 +
2205 +