Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.3 >
edited by Xiaoling
on 2023/05/17 10:48
To version < 109.2 >
edited by Xiaoling
on 2022/11/21 11:37
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -15,6 +15,7 @@
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  
... ... @@ -176,43 +176,33 @@
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 +
190 +
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  
201 +
202 +
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" %)(((
206 +(% border="1" style="background-color:#f7faff; width:500px" %)
207 +|(% style="width:103px" %)**Model**|(% style="width:131px" %)**Photo**|(% style="width:334px" %)**Description**
208 +|(% 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 +221,8 @@
221 221  * 1 x Counting Port
222 222  )))
223 223  
217 +
218 +
224 224  = 2. Power ON Device =
225 225  
226 226  
... ... @@ -277,7 +277,7 @@
277 277  Each LT is shipped with a sticker with the default device EUI as below:
278 278  )))
279 279  
280 -[[image:image-20230425173427-2.png||height="246" width="530"]]
275 +[[image:1653297924498-393.png]]
281 281  
282 282  
283 283  Input these keys in the LoRaWAN Server portal. Below is TTN screen shot:
... ... @@ -302,6 +302,7 @@
302 302  [[image:1653298044601-602.png||height="405" width="709"]]
303 303  
304 304  
300 +
305 305  == 3.3 Uplink Payload ==
306 306  
307 307  
... ... @@ -314,42 +314,24 @@
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  
313 +
314 +
317 317  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
318 318  
319 319  
320 320  (((
321 -The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
322 -
323 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
324 -|Size(bytes)(% style="display:none" %) |2|2|2|2|1|1|1
325 -|Value|(((
326 -AVI1
327 -voltage
328 -)))|(((
329 -AVI2
330 -voltage
331 -)))|(((
332 -ACI1
333 -Current
334 -)))|(((
335 -ACI2
336 -Current
337 -)))|DIDORO*|(((
338 -Reserve
339 -)))|MOD
319 +The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
340 340  )))
341 341  
322 +[[image:image-20220523174024-3.png]]
342 342  
343 343  (((
344 344  
345 345  
346 346  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DI3, DI2, DI1, DO3, DO2 and DO1. Totally 1bytes as below
347 -
348 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
349 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
350 -|RO1|RO2|DI3|DI2|DI1|DO3|DO2|DO1
351 351  )))
352 352  
330 +[[image:image-20220523174254-4.png]]
353 353  
354 354  * RO is for relay. ROx=1 : close，ROx=0 always open.
355 355  * DI is for digital input. DIx=1: high or float, DIx=0: low.
... ... @@ -390,6 +390,8 @@
390 390  ** DO1 is high in case there is load between DO1 and V+.
391 391  ** DO1 LED is off in both case
392 392  
371 +
372 +
393 393  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
394 394  
395 395  
... ... @@ -678,6 +678,7 @@
678 678  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
679 679  
680 680  
661 +
681 681  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
682 682  
683 683  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -738,6 +738,7 @@
738 738  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
739 739  
740 740  
722 +
741 741  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
742 742  
743 743  [[image:image-20220524090456-4.png]]
... ... @@ -751,6 +751,7 @@
751 751  00000101: Means both DI1 and DI2 trigger are enabled.
752 752  
753 753  
736 +
754 754  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
755 755  
756 756  Downlink command to poll MOD6 status:
... ... @@ -786,6 +786,8 @@
786 786  
787 787  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
788 788  
772 +
773 +
789 789  === 3.4.1 Common Commands ===
790 790  
791 791  
... ... @@ -871,6 +871,7 @@
871 871  
872 872  
873 873  
859 +
874 874  ==== 3.4.2.5 Poll trigger settings ====
875 875  
876 876  
... ... @@ -953,7 +953,7 @@
953 953  
954 954  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
955 955  
956 -(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG2=aa,0x(bb cc)
942 +(% style="color:blue" %)**0x09 02 aa bb cc   ** (%%)~/~/ same as AT+TRIG1=aa,0x(bb cc)
957 957  
958 958  
959 959  
... ... @@ -1085,9 +1085,8 @@
1085 1085  
1086 1086   Latching time. Unit: ms
1087 1087  
1074 +Note:
1088 1088  
1089 -(% style="color:red" %)**Note: **
1090 -
1091 1091   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1092 1092  
1093 1093   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1116,7 +1116,7 @@
1116 1116  
1117 1117  
1118 1118  
1119 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1104 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1120 1120  
1121 1121  
1122 1122  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1138,7 +1138,7 @@
1138 1138  )))
1139 1139  
1140 1140  (((
1141 -[[image:image-20230426161322-1.png]]
1126 +[[image:image-20220524093724-9.png]]
1142 1142  )))
1143 1143  
1144 1144  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1145,6 +1145,7 @@
1145 1145  
1146 1146  
1147 1147  
1133 +
1148 1148  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1149 1149  
1150 1150  
... ... @@ -1176,9 +1176,8 @@
1176 1176  
1177 1177  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1178 1178  
1165 +Note:
1179 1179  
1180 -(% style="color:red" %)**Note:**
1181 -
1182 1182   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1183 1183  
1184 1184   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1189,7 +1189,7 @@
1189 1189  
1190 1190  **Example payload:**
1191 1191  
1192 -**~1. 05 01 11 07 D0**
1177 +**~1. 05 01 11 07 D**
1193 1193  
1194 1194  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1195 1195  
... ... @@ -1324,6 +1324,7 @@
1324 1324  
1325 1325  
1326 1326  
1312 +
1327 1327  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1328 1328  
1329 1329  
... ... @@ -1340,6 +1340,7 @@
1340 1340  
1341 1341  
1342 1342  
1329 +
1343 1343  ==== 3.4.2.25 Copy downlink to uplink ====
1344 1344  
1345 1345  
... ... @@ -1493,6 +1493,8 @@
1493 1493  
1494 1494  (((
1495 1495  
1483 +
1484 +
1496 1496  )))
1497 1497  
1498 1498  (((
... ... @@ -1524,6 +1524,8 @@
1524 1524  
1525 1525  (((
1526 1526  
1516 +
1517 +
1527 1527  )))
1528 1528  
1529 1529  (((
... ... @@ -1557,9 +1557,9 @@
1557 1557  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1558 1558  
1559 1559  
1560 -(% style="color:blue" %)**NPN output**(%%): GND or Float. Max voltage can apply to output pin is 36v.
1551 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1561 1561  
1562 -(% style="color:red" %)**Note: DO pins go to float when device is power off.**
1553 +Note: DO pins go to float when device is power off.
1563 1563  
1564 1564  [[image:1653357531600-905.png]]
1565 1565  
... ... @@ -1581,9 +1581,9 @@
1581 1581  
1582 1582  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1583 1583  
1584 -(% style="color:red" %)**Red:  12~~24v**
1575 +**Red:  12~~24v**
1585 1585  
1586 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1577 +**Yellow:  4~~20mA**
1587 1587  
1588 1588  **Black:  GND**
1589 1589  
... ... @@ -1616,6 +1616,7 @@
1616 1616  [[image:image-20220524100748-11.png]]
1617 1617  
1618 1618  
1610 +
1619 1619  = 4. Use AT Command =
1620 1620  
1621 1621  == 4.1 Access AT Command ==
... ... @@ -1946,7 +1946,7 @@
1946 1946  **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?
1947 1947  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1948 1948  
1949 -**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.**
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**
1950 1950  
1951 1951  
1952 1952  )))
... ... @@ -1959,6 +1959,7 @@
1959 1959  
1960 1960  )))
1961 1961  
1954 +
1962 1962  === 4.2.3 Change to Class A ===
1963 1963  
1964 1964  
... ... @@ -1970,19 +1970,11 @@
1970 1970  )))
1971 1971  
1972 1972  
1973 -= 5. Case Study =
1966 += 5. FAQ =
1974 1974  
1975 -== 5.1 Counting how many objects pass in Flow Line ==
1968 +== 5.1 How to upgrade the image? ==
1976 1976  
1977 1977  
1978 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1979 -
1980 -
1981 -= 6. FAQ =
1982 -
1983 -== 6.1 How to upgrade the image? ==
1984 -
1985 -
1986 1986  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1987 1987  
1988 1988  * Support new features
... ... @@ -2010,10 +2010,8 @@
2010 2010  
2011 2011   [[image:image-20220524103407-12.png]]
2012 2012  
2013 -
2014 2014  [[image:image-20220524103429-13.png]]
2015 2015  
2016 -
2017 2017  [[image:image-20220524104033-15.png]]
2018 2018  
2019 2019  
... ... @@ -2025,7 +2025,7 @@
2025 2025  
2026 2026  (((
2027 2027  (((
2028 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2011 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2029 2029  
2030 2030  
2031 2031  )))
... ... @@ -2038,7 +2038,7 @@
2038 2038  (((
2039 2039  
2040 2040  
2041 -== 6.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2024 +== 5.3 How to set up LT to work with Single Channel Gateway such as LG01/LG02? ==
2042 2042  
2043 2043  
2044 2044  )))
... ... @@ -2101,20 +2101,14 @@
2101 2101  [[image:1653360498588-932.png||height="485" width="726"]]
2102 2102  
2103 2103  
2104 -== 6.4 How to change the uplink interval？ ==
2087 +== 5.4 Can I see counting event in Serial? ==
2105 2105  
2106 2106  
2107 -Please see this link: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20set%20the%20transmit%20time%20interval/]]
2108 -
2109 -
2110 -== 6.5 Can I see counting event in Serial? ==
2111 -
2112 -
2113 2113  (((
2114 2114  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.
2115 2115  
2116 2116  
2117 -== 6.6 Can i use point to point communication for LT-22222-L? ==
2094 +== 5.5 Can i use point to point communication for LT-22222-L? ==
2118 2118  
2119 2119  
2120 2120  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]].
... ... @@ -2123,7 +2123,7 @@
2123 2123  )))
2124 2124  
2125 2125  (((
2126 -== 6.7 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2103 +== 5.6 Why does the relay output become the default and open relay after the lt22222 is powered off? ==
2127 2127  
2128 2128  
2129 2129  If the device is not shut down, but directly powered off.
... ... @@ -2135,7 +2135,7 @@
2135 2135  After restart, the status before power failure will be read from flash.
2136 2136  
2137 2137  
2138 -== 6.8 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2115 +== 5.7 Can i set up LT-22222-L as a NC(Normal Close) Relay? ==
2139 2139  
2140 2140  
2141 2141  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2144,18 +2144,18 @@
2144 2144  [[image:image-20221006170630-1.png||height="610" width="945"]]
2145 2145  
2146 2146  
2147 -== 6.9 Can LT22222-L save RO state? ==
2124 +== 5.8 Can LT22222-L save RO state? ==
2148 2148  
2149 2149  
2150 2150  Firmware version needs to be no less than 1.6.0.
2151 2151  
2152 2152  
2153 -= 7. Trouble Shooting =
2130 += 6. Trouble Shooting =
2154 2154  )))
2155 2155  
2156 2156  (((
2157 2157  (((
2158 -== 7.1 Downlink doesn't work, how to solve it? ==
2135 +== 6.1 Downlink doesn't work, how to solve it? ==
2159 2159  
2160 2160  
2161 2161  )))
... ... @@ -2168,7 +2168,7 @@
2168 2168  (((
2169 2169  
2170 2170  
2171 -== 7.2 Have trouble to upload image. ==
2148 +== 6.2 Have trouble to upload image. ==
2172 2172  
2173 2173  
2174 2174  )))
... ... @@ -2180,7 +2180,7 @@
2180 2180  (((
2181 2181  
2182 2182  
2183 -== 7.3 Why I can't join TTN in US915 /AU915 bands? ==
2160 +== 6.3 Why I can't join TTN in US915 /AU915 bands? ==
2184 2184  
2185 2185  
2186 2186  )))
... ... @@ -2190,7 +2190,7 @@
2190 2190  )))
2191 2191  
2192 2192  
2193 -= 8. Order Info =
2170 += 7. Order Info =
2194 2194  
2195 2195  
2196 2196  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2207,9 +2207,11 @@
2207 2207  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2208 2208  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2209 2209  
2210 -= 9. Packing Info =
2211 2211  
2212 2212  
2189 += 8. Packing Info =
2190 +
2191 +
2213 2213  **Package Includes**:
2214 2214  
2215 2215  * LT-22222-L I/O Controller x 1
... ... @@ -2224,9 +2224,11 @@
2224 2224  * Package Size / pcs : 14.5 x 8 x 5 cm
2225 2225  * Weight / pcs : 170g
2226 2226  
2227 -= 10. Support =
2228 2228  
2229 2229  
2208 += 9. Support =
2209 +
2210 +
2230 2230  * (((
2231 2231  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.
2232 2232  )))
... ... @@ -2237,7 +2237,7 @@
2237 2237  
2238 2238  )))
2239 2239  
2240 -= 11. Reference​​​​​ =
2221 += 10. Reference​​​​​ =
2241 2241  
2242 2242  
2243 2243  * 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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