Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 111.1 >
edited by Bei Jinggeng
on 2023/01/10 17:26
To version < 116.1 >
edited by Bei Jinggeng
on 2023/04/26 16:13
>
Change comment: Uploaded new attachment "image-20230426161322-1.png", version {1}

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Content
... ... @@ -176,31 +176,47 @@
176 176  
177 177  
178 178  * LoRaWAN Class A & Class C protocol
179 +
179 179  * Optional Customized LoRa Protocol
181 +
180 180  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
181 181  * AT Commands to change parameters
185 +
182 182  * Remote configure parameters via LoRa Downlink
187 +
183 183  * Firmware upgradable via program port
189 +
184 184  * Counting
185 185  
186 186  
193 +
187 187  == 1.4  Applications ==
188 188  
189 189  
190 190  * Smart Buildings & Home Automation
198 +
191 191  * Logistics and Supply Chain Management
200 +
192 192  * Smart Metering
202 +
193 193  * Smart Agriculture
204 +
194 194  * Smart Cities
206 +
195 195  * Smart Factory
196 196  
197 197  
210 +
198 198  == 1.5 Hardware Variants ==
199 199  
200 200  
201 -(% border="1" style="background-color:#f7faff; width:500px" %)
202 -|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
203 -|(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)[[image:1653296302983-697.png]]|(% style="width:334px" %)(((
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" %)(((
204 204  * 2 x Digital Input (Bi-direction)
205 205  * 2 x Digital Output
206 206  * 2 x Relay Output (5A@250VAC / 30VDC)
... ... @@ -210,6 +210,7 @@
210 210  )))
211 211  
212 212  
229 +
213 213  = 2. Power ON Device =
214 214  
215 215  
... ... @@ -266,7 +266,7 @@
266 266  Each LT is shipped with a sticker with the default device EUI as below:
267 267  )))
268 268  
269 -[[image:1653297924498-393.png]]
286 +[[image:image-20230425173427-2.png]]
270 270  
271 271  
272 272  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -649,7 +649,6 @@
649 649  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
650 650  
651 651  
652 -
653 653  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
654 654  
655 655  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -710,7 +710,6 @@
710 710  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
711 711  
712 712  
713 -
714 714  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
715 715  
716 716  [[image:image-20220524090456-4.png]]
... ... @@ -724,7 +724,6 @@
724 724  00000101: Means both DI1 and DI2 trigger are enabled.
725 725  
726 726  
727 -
728 728  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
729 729  
730 730  Downlink command to poll MOD6 status:
... ... @@ -1060,8 +1060,9 @@
1060 1060  
1061 1061   Latching time. Unit: ms
1062 1062  
1063 -Note:
1064 1064  
1078 +(% style="color:red" %)**Note: **
1079 +
1065 1065   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1066 1066  
1067 1067   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1090,7 +1090,7 @@
1090 1090  
1091 1091  
1092 1092  
1093 -==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1108 +==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1094 1094  
1095 1095  
1096 1096  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1150,8 +1150,9 @@
1150 1150  
1151 1151  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1152 1152  
1153 -Note:
1154 1154  
1169 +(% style="color:red" %)**Note:**
1170 +
1155 1155   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1156 1156  
1157 1157   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1530,9 +1530,9 @@
1530 1530  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1531 1531  
1532 1532  
1533 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1549 +(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1534 1534  
1535 -Note: DO pins go to float when device is power off.
1551 +(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1536 1536  
1537 1537  [[image:1653357531600-905.png]]
1538 1538  
... ... @@ -1554,9 +1554,9 @@
1554 1554  
1555 1555  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1556 1556  
1557 -**Red:  12~~24v**
1573 +(% style="color:red" %)**Red:  12~~24v**
1558 1558  
1559 -**Yellow:  4~~20mA**
1575 +(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1560 1560  
1561 1561  **Black:  GND**
1562 1562  
... ... @@ -1919,7 +1919,7 @@
1919 1919  **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?
1920 1920  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1921 1921  
1922 -**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**
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.**
1923 1923  
1924 1924  
1925 1925  )))
... ... @@ -1943,11 +1943,19 @@
1943 1943  )))
1944 1944  
1945 1945  
1946 -= 5. FAQ =
1962 += 5. Case Study =
1947 1947  
1948 -== 5.1 How to upgrade the image? ==
1964 +== 5.1 Counting how many objects pass in Flow Line ==
1949 1949  
1950 1950  
1967 +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 +
1969 +
1970 += 6. FAQ =
1971 +
1972 +== 6.1 How to upgrade the image? ==
1973 +
1974 +
1951 1951  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1952 1952  
1953 1953  * Support new features
... ... @@ -1975,8 +1975,10 @@
1975 1975  
1976 1976   [[image:image-20220524103407-12.png]]
1977 1977  
2002 +
1978 1978  [[image:image-20220524103429-13.png]]
1979 1979  
2005 +
1980 1980  [[image:image-20220524104033-15.png]]
1981 1981  
1982 1982  
... ... @@ -1988,7 +1988,7 @@
1988 1988  
1989 1989  (((
1990 1990  (((
1991 -== 5.2 How to change the LoRa Frequency Bands/Region? ==
2017 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1992 1992  
1993 1993  
1994 1994  )))
... ... @@ -2001,7 +2001,7 @@
2001 2001  (((
2002 2002  
2003 2003  
2004 -== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2030 +== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2005 2005  
2006 2006  
2007 2007  )))
... ... @@ -2064,7 +2064,7 @@
2064 2064  [[image:1653360498588-932.png||height="485" width="726"]]
2065 2065  
2066 2066  
2067 -== 5.4 Can I see counting event in Serial? ==
2093 +== 6.4 Can I see counting event in Serial? ==
2068 2068  
2069 2069  
2070 2070  (((
... ... @@ -2071,7 +2071,7 @@
2071 2071  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.
2072 2072  
2073 2073  
2074 -== 5.5 Can i use point to point communication for LT-22222-L? ==
2100 +== 6.5 Can i use point to point communication for LT-22222-L? ==
2075 2075  
2076 2076  
2077 2077  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]].
... ... @@ -2080,7 +2080,7 @@
2080 2080  )))
2081 2081  
2082 2082  (((
2083 -== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2109 +== 6.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2084 2084  
2085 2085  
2086 2086  If the device is not shut down, but directly powered off.
... ... @@ -2092,7 +2092,7 @@
2092 2092  After restart, the status before power failure will be read from flash.
2093 2093  
2094 2094  
2095 -== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2121 +== 6.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2096 2096  
2097 2097  
2098 2098  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2101,18 +2101,18 @@
2101 2101  [[image:image-20221006170630-1.png||height="610" width="945"]]
2102 2102  
2103 2103  
2104 -== 5.8 Can LT22222-L save RO state? ==
2130 +== 6.8 Can LT22222-L save RO state? ==
2105 2105  
2106 2106  
2107 2107  Firmware version needs to be no less than 1.6.0.
2108 2108  
2109 2109  
2110 -= 6. Trouble Shooting =
2136 += 7. Trouble Shooting =
2111 2111  )))
2112 2112  
2113 2113  (((
2114 2114  (((
2115 -== 6.1 Downlink doesn't work, how to solve it? ==
2141 +== 7.1 Downlink doesn't work, how to solve it? ==
2116 2116  
2117 2117  
2118 2118  )))
... ... @@ -2125,7 +2125,7 @@
2125 2125  (((
2126 2126  
2127 2127  
2128 -== 6.2 Have trouble to upload image. ==
2154 +== 7.2 Have trouble to upload image. ==
2129 2129  
2130 2130  
2131 2131  )))
... ... @@ -2137,7 +2137,7 @@
2137 2137  (((
2138 2138  
2139 2139  
2140 -== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2166 +== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2141 2141  
2142 2142  
2143 2143  )))
... ... @@ -2147,7 +2147,7 @@
2147 2147  )))
2148 2148  
2149 2149  
2150 -= 7. Order Info =
2176 += 8. Order Info =
2151 2151  
2152 2152  
2153 2153  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2165,9 +2165,10 @@
2165 2165  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2166 2166  
2167 2167  
2168 -= 8. Packing Info =
2169 2169  
2195 += 9. Packing Info =
2170 2170  
2197 +
2171 2171  **Package Includes**:
2172 2172  
2173 2173  * LT-22222-L I/O Controller x 1
... ... @@ -2183,9 +2183,10 @@
2183 2183  * Weight / pcs : 170g
2184 2184  
2185 2185  
2186 -= 9. Support =
2187 2187  
2214 += 10. Support =
2188 2188  
2216 +
2189 2189  * (((
2190 2190  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.
2191 2191  )))
... ... @@ -2196,7 +2196,7 @@
2196 2196  
2197 2197  )))
2198 2198  
2199 -= 10. Reference​​​​​ =
2227 += 11. Reference​​​​​ =
2200 2200  
2201 2201  
2202 2202  * 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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