Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 113.2 >
edited by Xiaoling
on 2023/04/24 11:51
To version < 110.1 >
edited by Bei Jinggeng
on 2022/12/22 09:19
>
Change comment: There is no comment for this version

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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  (((
... ... @@ -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  
... ... @@ -176,43 +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  
189 +
192 192  == 1.4  Applications ==
193 193  
194 194  
195 195  * Smart Buildings & Home Automation
196 -
197 197  * Logistics and Supply Chain Management
198 -
199 199  * Smart Metering
200 -
201 201  * Smart Agriculture
202 -
203 203  * Smart Cities
204 -
205 205  * Smart Factory
206 206  
200 +
207 207  == 1.5 Hardware Variants ==
208 208  
209 209  
210 -(% border="1" style="background-color:#f2f2f2; width:500px" %)
211 -|(% 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**
212 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
213 -(% style="text-align:center" %)
214 -[[image:image-20230424115112-1.png||height="106" width="58"]]
215 -)))|(% 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" %)(((
216 216  * 2 x Digital Input (Bi-direction)
217 217  * 2 x Digital Output
218 218  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -221,6 +221,7 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
215 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -302,6 +302,7 @@
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
297 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -314,6 +314,7 @@
314 314  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
315 315  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
316 316  
310 +
317 317  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 319  
... ... @@ -370,6 +370,7 @@
370 370  ** DO1 is high in case there is load between DO1 and V+.
371 371  ** DO1 LED is off in both case
372 372  
367 +
373 373  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
374 374  
375 375  
... ... @@ -658,6 +658,7 @@
658 658  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
659 659  
660 660  
656 +
661 661  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
662 662  
663 663  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -718,6 +718,7 @@
718 718  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
719 719  
720 720  
717 +
721 721  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
722 722  
723 723  [[image:image-20220524090456-4.png]]
... ... @@ -731,6 +731,7 @@
731 731  00000101: Means both DI1 and DI2 trigger are enabled.
732 732  
733 733  
731 +
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:
... ... @@ -766,6 +766,7 @@
766 766  
767 767  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
768 768  
767 +
769 769  === 3.4.1 Common Commands ===
770 770  
771 771  
... ... @@ -776,7 +776,6 @@
776 776  
777 777  === 3.4.2 Sensor related commands ===
778 778  
779 -
780 780  ==== 3.4.2.1 Set Transmit Interval ====
781 781  
782 782  
... ... @@ -852,6 +852,7 @@
852 852  
853 853  
854 854  
853 +
855 855  ==== 3.4.2.5 Poll trigger settings ====
856 856  
857 857  
... ... @@ -1066,9 +1066,8 @@
1066 1066  
1067 1067   Latching time. Unit: ms
1068 1068  
1068 +Note:
1069 1069  
1070 -(% style="color:red" %)**Note: **
1071 -
1072 1072   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1073 1073  
1074 1074   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1097,7 +1097,7 @@
1097 1097  
1098 1098  
1099 1099  
1100 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1098 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1101 1101  
1102 1102  
1103 1103  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1126,6 +1126,7 @@
1126 1126  
1127 1127  
1128 1128  
1127 +
1129 1129  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1130 1130  
1131 1131  
... ... @@ -1157,9 +1157,8 @@
1157 1157  
1158 1158  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1159 1159  
1159 +Note:
1160 1160  
1161 -(% style="color:red" %)**Note:**
1162 -
1163 1163   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1164 1164  
1165 1165   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1170,7 +1170,7 @@
1170 1170  
1171 1171  **Example payload:**
1172 1172  
1173 -**~1. 05 01 11 07 D0**
1171 +**~1. 05 01 11 07 D**
1174 1174  
1175 1175  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1176 1176  
... ... @@ -1305,6 +1305,7 @@
1305 1305  
1306 1306  
1307 1307  
1306 +
1308 1308  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1309 1309  
1310 1310  
... ... @@ -1321,6 +1321,7 @@
1321 1321  
1322 1322  
1323 1323  
1323 +
1324 1324  ==== 3.4.2.25 Copy downlink to uplink ====
1325 1325  
1326 1326  
... ... @@ -1474,6 +1474,8 @@
1474 1474  
1475 1475  (((
1476 1476  
1477 +
1478 +
1477 1477  )))
1478 1478  
1479 1479  (((
... ... @@ -1505,6 +1505,8 @@
1505 1505  
1506 1506  (((
1507 1507  
1510 +
1511 +
1508 1508  )))
1509 1509  
1510 1510  (((
... ... @@ -1538,9 +1538,9 @@
1538 1538  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1539 1539  
1540 1540  
1541 -(% 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.
1542 1542  
1543 -(% 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.
1544 1544  
1545 1545  [[image:1653357531600-905.png]]
1546 1546  
... ... @@ -1562,9 +1562,9 @@
1562 1562  
1563 1563  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1564 1564  
1565 -(% style="color:red" %)**Red:  12~~24v**
1569 +**Red:  12~~24v**
1566 1566  
1567 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1571 +**Yellow:  4~~20mA**
1568 1568  
1569 1569  **Black:  GND**
1570 1570  
... ... @@ -1597,6 +1597,7 @@
1597 1597  [[image:image-20220524100748-11.png]]
1598 1598  
1599 1599  
1604 +
1600 1600  = 4. Use AT Command =
1601 1601  
1602 1602  == 4.1 Access AT Command ==
... ... @@ -1927,7 +1927,7 @@
1927 1927  **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?
1928 1928  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1929 1929  
1930 -**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**
1931 1931  
1932 1932  
1933 1933  )))
... ... @@ -1940,6 +1940,7 @@
1940 1940  
1941 1941  )))
1942 1942  
1948 +
1943 1943  === 4.2.3 Change to Class A ===
1944 1944  
1945 1945  
... ... @@ -1951,19 +1951,11 @@
1951 1951  )))
1952 1952  
1953 1953  
1954 -= 5. Case Study =
1960 += 5. FAQ =
1955 1955  
1956 -== 5.1 Counting how many objects pass in Flow Line ==
1962 +== 5.1 How to upgrade the image? ==
1957 1957  
1958 1958  
1959 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1960 -
1961 -
1962 -= 6. FAQ =
1963 -
1964 -== 6.1 How to upgrade the image? ==
1965 -
1966 -
1967 1967  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1968 1968  
1969 1969  * Support new features
... ... @@ -1991,10 +1991,8 @@
1991 1991  
1992 1992   [[image:image-20220524103407-12.png]]
1993 1993  
1994 -
1995 1995  [[image:image-20220524103429-13.png]]
1996 1996  
1997 -
1998 1998  [[image:image-20220524104033-15.png]]
1999 1999  
2000 2000  
... ... @@ -2006,7 +2006,7 @@
2006 2006  
2007 2007  (((
2008 2008  (((
2009 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2005 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2010 2010  
2011 2011  
2012 2012  )))
... ... @@ -2019,7 +2019,7 @@
2019 2019  (((
2020 2020  
2021 2021  
2022 -== 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? ==
2023 2023  
2024 2024  
2025 2025  )))
... ... @@ -2082,7 +2082,7 @@
2082 2082  [[image:1653360498588-932.png||height="485" width="726"]]
2083 2083  
2084 2084  
2085 -== 6.4 Can I see counting event in Serial? ==
2081 +== 5.4 Can I see counting event in Serial? ==
2086 2086  
2087 2087  
2088 2088  (((
... ... @@ -2089,7 +2089,7 @@
2089 2089  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.
2090 2090  
2091 2091  
2092 -== 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? ==
2093 2093  
2094 2094  
2095 2095  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]].
... ... @@ -2098,7 +2098,7 @@
2098 2098  )))
2099 2099  
2100 2100  (((
2101 -== 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? ==
2102 2102  
2103 2103  
2104 2104  If the device is not shut down, but directly powered off.
... ... @@ -2110,7 +2110,7 @@
2110 2110  After restart, the status before power failure will be read from flash.
2111 2111  
2112 2112  
2113 -== 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? ==
2114 2114  
2115 2115  
2116 2116  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2119,18 +2119,18 @@
2119 2119  [[image:image-20221006170630-1.png||height="610" width="945"]]
2120 2120  
2121 2121  
2122 -== 6.8 Can LT22222-L save RO state? ==
2118 +== 5.8 Can LT22222-L save RO state? ==
2123 2123  
2124 2124  
2125 2125  Firmware version needs to be no less than 1.6.0.
2126 2126  
2127 2127  
2128 -= 7. Trouble Shooting =
2124 += 6. Trouble Shooting =
2129 2129  )))
2130 2130  
2131 2131  (((
2132 2132  (((
2133 -== 7.1 Downlink doesn't work, how to solve it? ==
2129 +== 6.1 Downlink doesn't work, how to solve it? ==
2134 2134  
2135 2135  
2136 2136  )))
... ... @@ -2143,7 +2143,7 @@
2143 2143  (((
2144 2144  
2145 2145  
2146 -== 7.2 Have trouble to upload image. ==
2142 +== 6.2 Have trouble to upload image. ==
2147 2147  
2148 2148  
2149 2149  )))
... ... @@ -2155,7 +2155,7 @@
2155 2155  (((
2156 2156  
2157 2157  
2158 -== 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? ==
2159 2159  
2160 2160  
2161 2161  )))
... ... @@ -2165,7 +2165,7 @@
2165 2165  )))
2166 2166  
2167 2167  
2168 -= 8. Order Info =
2164 += 7. Order Info =
2169 2169  
2170 2170  
2171 2171  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2182,9 +2182,10 @@
2182 2182  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2183 2183  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2184 2184  
2185 -= 9. Packing Info =
2186 2186  
2182 += 8. Packing Info =
2187 2187  
2184 +
2188 2188  **Package Includes**:
2189 2189  
2190 2190  * LT-22222-L I/O Controller x 1
... ... @@ -2199,9 +2199,10 @@
2199 2199  * Package Size / pcs : 14.5 x 8 x 5 cm
2200 2200  * Weight / pcs : 170g
2201 2201  
2202 -= 10. Support =
2203 2203  
2200 += 9. Support =
2204 2204  
2202 +
2205 2205  * (((
2206 2206  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.
2207 2207  )))
... ... @@ -2212,11 +2212,9 @@
2212 2212  
2213 2213  )))
2214 2214  
2215 -= 11. Reference​​​​​ =
2213 += 10. Reference​​​​​ =
2216 2216  
2217 2217  
2218 2218  * 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]]
2219 2219  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2220 2220  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
2221 -
2222 -
image-20230424115112-1.png
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