Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 118.4 >
edited by Xiaoling
on 2023/05/17 10:50
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  
... ... @@ -399,28 +399,18 @@
399 399  
400 400  (((
401 401  Total : 11 bytes payload
382 +)))
402 402  
403 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
404 -|Size(bytes)|4|4|1|1|1
405 -|Value|COUNT1|COUNT2 |DIDORO*|(((
406 -Reserve
384 +[[image:image-20220523180452-3.png]]
407 407  
408 -
409 -)))|MOD
410 -)))
411 411  
412 412  (((
413 -
414 -
415 415  (% style="color:#4f81bd" %)**DIDORO**(%%) is a combination for RO1, RO2, DO3, DO2 and DO1. Totally 1bytes as below
416 -
417 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
418 -|bit7|bit6|bit5|bit4|bit3|bit2|bit1|bit0
419 -|RO1|RO2|FIRST|Reserve|Reserve|DO3|DO2|DO1
420 -
421 -RO is for relay. ROx=1 : close，ROx=0 always open.
422 422  )))
423 423  
391 +[[image:image-20220523180506-4.png]]
392 +
393 +* RO is for relay. ROx=1 : close，ROx=0 always open.
424 424  * FIRST: Indicate this is the first packet after join network.
425 425  * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float.
426 426  
... ... @@ -688,6 +688,7 @@
688 688  AT+ DTRI =1,0   (Enable DI1 trigger / disable DI2 trigger)
689 689  
690 690  
661 +
691 691  (% style="color:#037691" %)**Downlink Command to set Trigger Condition:**
692 692  
693 693  Type Code: 0xAA. Downlink command same as AT Command **AT+AVLIM, AT+ACLIM**
... ... @@ -748,6 +748,7 @@
748 748  10000000: Means this packet is trigger by AC1_LOW. Means voltage too low.
749 749  
750 750  
722 +
751 751  (% style="color:#4f81bd" %)**TRI_DI FLAG+STA **(%%)is a combination to show which condition is trigger. Totally 1byte as below
752 752  
753 753  [[image:image-20220524090456-4.png]]
... ... @@ -761,6 +761,7 @@
761 761  00000101: Means both DI1 and DI2 trigger are enabled.
762 762  
763 763  
736 +
764 764  (% style="color:#4f81bd" %)**Enable/Disable MOD6 **(%%): 0x01: MOD6 is enable. 0x00: MOD6 is disable.
765 765  
766 766  Downlink command to poll MOD6 status:
... ... @@ -796,6 +796,8 @@
796 796  
797 797  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
798 798  
772 +
773 +
799 799  === 3.4.1 Common Commands ===
800 800  
801 801  
... ... @@ -881,6 +881,7 @@
881 881  
882 882  
883 883  
859 +
884 884  ==== 3.4.2.5 Poll trigger settings ====
885 885  
886 886  
... ... @@ -963,7 +963,7 @@
963 963  
964 964  * (% style="color:#037691" %)**Downlink Payload (prefix 0x09 02 ):**
965 965  
966 -(% 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)
967 967  
968 968  
969 969  
... ... @@ -1095,9 +1095,8 @@
1095 1095  
1096 1096   Latching time. Unit: ms
1097 1097  
1074 +Note:
1098 1098  
1099 -(% style="color:red" %)**Note: **
1100 -
1101 1101   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1102 1102  
1103 1103   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1126,7 +1126,7 @@
1126 1126  
1127 1127  
1128 1128  
1129 -==== 3.4.2. 14 Relay ~-~- Control Relay Output RO1/RO2 ====
1104 +==== 3.4.2.14 Relay ~-~- Control Relay Output RO1/RO2 ====
1130 1130  
1131 1131  
1132 1132  * (% style="color:#037691" %)**AT Command:**
... ... @@ -1148,7 +1148,7 @@
1148 1148  )))
1149 1149  
1150 1150  (((
1151 -[[image:image-20230426161322-1.png]]
1126 +[[image:image-20220524093724-9.png]]
1152 1152  )))
1153 1153  
1154 1154  (% style="color:red" %)**Device will upload a packet if downlink code executes successfully.**
... ... @@ -1155,6 +1155,7 @@
1155 1155  
1156 1156  
1157 1157  
1133 +
1158 1158  ==== 3.4.2.15 Relay ~-~- Control Relay Output RO1/RO2 with time control ====
1159 1159  
1160 1160  
... ... @@ -1186,9 +1186,8 @@
1186 1186  
1187 1187  (% style="color:#4f81bd" %)**Fourth/Fifth/Sixth/Seventh Bytes(cc)**(%%): Latching time. Unit: ms
1188 1188  
1165 +Note:
1189 1189  
1190 -(% style="color:red" %)**Note:**
1191 -
1192 1192   Since Firmware v1.6.0, the latch time support 4 bytes and 2 bytes
1193 1193  
1194 1194   Before Firmwre v1.6.0 the latch time only suport 2 bytes.
... ... @@ -1199,7 +1199,7 @@
1199 1199  
1200 1200  **Example payload:**
1201 1201  
1202 -**~1. 05 01 11 07 D0**
1177 +**~1. 05 01 11 07 D**
1203 1203  
1204 1204  Relay1 and Relay 2 will be set to NC , last 2 seconds, then change back to original state.
1205 1205  
... ... @@ -1334,6 +1334,7 @@
1334 1334  
1335 1335  
1336 1336  
1312 +
1337 1337  ==== 3.4.2.24 When the limit bytes are exceeded, upload in batches ====
1338 1338  
1339 1339  
... ... @@ -1350,6 +1350,7 @@
1350 1350  
1351 1351  
1352 1352  
1329 +
1353 1353  ==== 3.4.2.25 Copy downlink to uplink ====
1354 1354  
1355 1355  
... ... @@ -1503,6 +1503,8 @@
1503 1503  
1504 1504  (((
1505 1505  
1483 +
1484 +
1506 1506  )))
1507 1507  
1508 1508  (((
... ... @@ -1534,6 +1534,8 @@
1534 1534  
1535 1535  (((
1536 1536  
1516 +
1517 +
1537 1537  )))
1538 1538  
1539 1539  (((
... ... @@ -1567,9 +1567,9 @@
1567 1567  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1568 1568  
1569 1569  
1570 -(% 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.
1571 1571  
1572 -(% 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.
1573 1573  
1574 1574  [[image:1653357531600-905.png]]
1575 1575  
... ... @@ -1591,9 +1591,9 @@
1591 1591  
1592 1592  (% style="color:blue" %)**Specifications of the wind speed sensor:**
1593 1593  
1594 -(% style="color:red" %)**Red:  12~~24v**
1575 +**Red:  12~~24v**
1595 1595  
1596 -(% style="color:#ffc000" %)**Yellow:  4~~20mA**
1577 +**Yellow:  4~~20mA**
1597 1597  
1598 1598  **Black:  GND**
1599 1599  
... ... @@ -1626,6 +1626,7 @@
1626 1626  [[image:image-20220524100748-11.png]]
1627 1627  
1628 1628  
1610 +
1629 1629  = 4. Use AT Command =
1630 1630  
1631 1631  == 4.1 Access AT Command ==
... ... @@ -1956,7 +1956,7 @@
1956 1956  **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?
1957 1957  dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.**
1958 1958  
1959 -**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**
1960 1960  
1961 1961  
1962 1962  )))
... ... @@ -1969,6 +1969,7 @@
1969 1969  
1970 1970  )))
1971 1971  
1954 +
1972 1972  === 4.2.3 Change to Class A ===
1973 1973  
1974 1974  
... ... @@ -1980,19 +1980,11 @@
1980 1980  )))
1981 1981  
1982 1982  
1983 -= 5. Case Study =
1966 += 5. FAQ =
1984 1984  
1985 -== 5.1 Counting how many objects pass in Flow Line ==
1968 +== 5.1 How to upgrade the image? ==
1986 1986  
1987 1987  
1988 -Reference Link: [[How to set up to count objects pass in flow line>>How to set up to count objects pass in flow line]]?
1989 -
1990 -
1991 -= 6. FAQ =
1992 -
1993 -== 6.1 How to upgrade the image? ==
1994 -
1995 -
1996 1996  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
1997 1997  
1998 1998  * Support new features
... ... @@ -2020,10 +2020,8 @@
2020 2020  
2021 2021   [[image:image-20220524103407-12.png]]
2022 2022  
2023 -
2024 2024  [[image:image-20220524103429-13.png]]
2025 2025  
2026 -
2027 2027  [[image:image-20220524104033-15.png]]
2028 2028  
2029 2029  
... ... @@ -2035,7 +2035,7 @@
2035 2035  
2036 2036  (((
2037 2037  (((
2038 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
2011 +== 5.2 How to change the LoRa Frequency Bands/Region? ==
2039 2039  
2040 2040  
2041 2041  )))
... ... @@ -2048,7 +2048,7 @@
2048 2048  (((
2049 2049  
2050 2050  
2051 -== 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? ==
2052 2052  
2053 2053  
2054 2054  )))
... ... @@ -2111,20 +2111,14 @@
2111 2111  [[image:1653360498588-932.png||height="485" width="726"]]
2112 2112  
2113 2113  
2114 -== 6.4 How to change the uplink interval？ ==
2087 +== 5.4 Can I see counting event in Serial? ==
2115 2115  
2116 2116  
2117 -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/]]
2118 -
2119 -
2120 -== 6.5 Can I see counting event in Serial? ==
2121 -
2122 -
2123 2123  (((
2124 2124  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.
2125 2125  
2126 2126  
2127 -== 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? ==
2128 2128  
2129 2129  
2130 2130  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]].
... ... @@ -2133,7 +2133,7 @@
2133 2133  )))
2134 2134  
2135 2135  (((
2136 -== 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? ==
2137 2137  
2138 2138  
2139 2139  If the device is not shut down, but directly powered off.
... ... @@ -2145,7 +2145,7 @@
2145 2145  After restart, the status before power failure will be read from flash.
2146 2146  
2147 2147  
2148 -== 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? ==
2149 2149  
2150 2150  
2151 2151  LT-22222-L built-in relay is NO (Normal Open). User can use an external relay to achieve Normal Close purpose. Diagram as below:
... ... @@ -2154,18 +2154,18 @@
2154 2154  [[image:image-20221006170630-1.png||height="610" width="945"]]
2155 2155  
2156 2156  
2157 -== 6.9 Can LT22222-L save RO state? ==
2124 +== 5.8 Can LT22222-L save RO state? ==
2158 2158  
2159 2159  
2160 2160  Firmware version needs to be no less than 1.6.0.
2161 2161  
2162 2162  
2163 -= 7. Trouble Shooting =
2130 += 6. Trouble Shooting =
2164 2164  )))
2165 2165  
2166 2166  (((
2167 2167  (((
2168 -== 7.1 Downlink doesn't work, how to solve it? ==
2135 +== 6.1 Downlink doesn't work, how to solve it? ==
2169 2169  
2170 2170  
2171 2171  )))
... ... @@ -2178,7 +2178,7 @@
2178 2178  (((
2179 2179  
2180 2180  
2181 -== 7.2 Have trouble to upload image. ==
2148 +== 6.2 Have trouble to upload image. ==
2182 2182  
2183 2183  
2184 2184  )))
... ... @@ -2190,7 +2190,7 @@
2190 2190  (((
2191 2191  
2192 2192  
2193 -== 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? ==
2194 2194  
2195 2195  
2196 2196  )))
... ... @@ -2200,7 +2200,7 @@
2200 2200  )))
2201 2201  
2202 2202  
2203 -= 8. Order Info =
2170 += 7. Order Info =
2204 2204  
2205 2205  
2206 2206  (% style="color:#4f81bd" %)**LT-22222-L-XXX:**
... ... @@ -2217,9 +2217,11 @@
2217 2217  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2218 2218  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2219 2219  
2220 -= 9. Packing Info =
2221 2221  
2222 2222  
2189 += 8. Packing Info =
2190 +
2191 +
2223 2223  **Package Includes**:
2224 2224  
2225 2225  * LT-22222-L I/O Controller x 1
... ... @@ -2234,9 +2234,11 @@
2234 2234  * Package Size / pcs : 14.5 x 8 x 5 cm
2235 2235  * Weight / pcs : 170g
2236 2236  
2237 -= 10. Support =
2238 2238  
2239 2239  
2208 += 9. Support =
2209 +
2210 +
2240 2240  * (((
2241 2241  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.
2242 2242  )))
... ... @@ -2247,7 +2247,7 @@
2247 2247  
2248 2248  )))
2249 2249  
2250 -= 11. Reference​​​​​ =
2221 += 10. Reference​​​​​ =
2251 2251  
2252 2252  
2253 2253  * 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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