Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.5 >
edited by Xiaoling
on 2022/05/31 11:40
To version < 68.18 >
edited by Xiaoling
on 2022/05/25 15:23
>
Change comment: There is no comment for this version

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Content
... ... @@ -167,6 +167,7 @@
167 167  * Firmware upgradable via program port
168 168  * Counting
169 169  
170 +
170 170  == 1.4  Applications ==
171 171  
172 172  * Smart Buildings & Home Automation
... ... @@ -176,6 +176,7 @@
176 176  * Smart Cities
177 177  * Smart Factory
178 178  
180 +
179 179  == 1.5 Hardware Variants ==
180 180  
181 181  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -189,6 +189,8 @@
189 189  * 1 x Counting Port
190 190  )))
191 191  
194 +
195 +
192 192  = 2. Power ON Device =
193 193  
194 194  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
... ... @@ -266,6 +266,7 @@
266 266  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
267 267  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
268 268  
273 +
269 269  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
270 270  
271 271  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -408,7 +408,6 @@
408 408  )))
409 409  )))
410 410  
411 -
412 412  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
413 413  
414 414  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -449,8 +449,6 @@
449 449  
450 450  (((
451 451  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
452 -
453 -
454 454  )))
455 455  
456 456  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -533,7 +533,6 @@
533 533  )))
534 534  )))
535 535  
536 -
537 537  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
538 538  
539 539  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -574,8 +574,6 @@
574 574  
575 575  (((
576 576  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
577 -
578 -
579 579  )))
580 580  
581 581  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -698,13 +698,10 @@
698 698  
699 699  When device got this command, it will send the MOD6 payload.
700 700  
701 -
702 702  === 3.3.7 Payload Decoder ===
703 703  
704 704  (((
705 705  **Decoder for TTN/loraserver/ChirpStack**: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/Payload_decoder/]]
706 -
707 -
708 708  )))
709 709  
710 710  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -723,7 +723,6 @@
723 723  
724 724  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
725 725  
726 -
727 727  === 3.4.2 Sensor related commands ===
728 728  
729 729  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -746,7 +746,6 @@
746 746  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
747 747  )))
748 748  
749 -
750 750  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
751 751  
752 752  Set work mode.
... ... @@ -767,7 +767,6 @@
767 767  **0x0A aa     ~/~/ Same as AT+MOD=aa**
768 768  )))
769 769  
770 -
771 771  ==== 3.4.2.3 Poll an uplink ====
772 772  
773 773  * AT Command:
... ... @@ -783,7 +783,6 @@
783 783  
784 784  **Example**: 0x08FF, ask device to send an Uplink
785 785  
786 -
787 787  ==== 3.4.2.4 Enable Trigger Mode ====
788 788  
789 789  Use of trigger mode, please check [[ADDMOD6>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
... ... @@ -806,7 +806,6 @@
806 806  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
807 807  )))
808 808  
809 -
810 810  ==== 3.4.2.5 Poll trigger settings ====
811 811  
812 812  Poll trigger settings,
... ... @@ -822,7 +822,6 @@
822 822  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
823 823  )))
824 824  
825 -
826 826  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
827 827  
828 828  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -845,7 +845,6 @@
845 845  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
846 846  )))
847 847  
848 -
849 849  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
850 850  
851 851  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -872,7 +872,6 @@
872 872  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
873 873  )))
874 874  
875 -
876 876  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
877 877  
878 878  Set DI2 trigger.
... ... @@ -899,7 +899,6 @@
899 899  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
900 900  )))
901 901  
902 -
903 903  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
904 904  
905 905  Set current trigger , base on AC port. See [[trigger mode>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
... ... @@ -918,7 +918,6 @@
918 918  **0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]**
919 919  )))
920 920  
921 -
922 922  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
923 923  
924 924  Set current trigger , base on AV port. See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]]
... ... @@ -937,7 +937,6 @@
937 937  **0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29]] **
938 938  )))
939 939  
940 -
941 941  ==== 3.4.2.11 Trigger – Set minimum interval ====
942 942  
943 943  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -956,7 +956,6 @@
956 956  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
957 957  )))
958 958  
959 -
960 960  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
961 961  
962 962  * AT Command:
... ... @@ -1147,7 +1147,6 @@
1147 1147  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1148 1148  )))
1149 1149  
1150 -
1151 1151  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1152 1152  
1153 1153  * AT Command:
... ... @@ -1172,7 +1172,6 @@
1172 1172  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1173 1173  )))
1174 1174  
1175 -
1176 1176  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1177 1177  
1178 1178  Clear counting for counting mode
... ... @@ -1191,7 +1191,6 @@
1191 1191  **0x A6 01     ~/~/ clear all counting,**
1192 1192  )))
1193 1193  
1194 -
1195 1195  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1196 1196  
1197 1197  * AT Command:
... ... @@ -1210,8 +1210,6 @@
1210 1210  
1211 1211  (((
1212 1212  range: aa bb cc:0 to 16777215,  (unit:second)
1213 -
1214 -
1215 1215  )))
1216 1216  
1217 1217  == 3.5 Integrate with Mydevice ==
... ... @@ -1240,7 +1240,6 @@
1240 1240  
1241 1241  [[image:1653356838789-523.png||height="337" width="740"]]
1242 1242  
1243 -
1244 1244  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1245 1245  
1246 1246  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1253,7 +1253,6 @@
1253 1253  
1254 1254  [[image:image-20220524094909-5.png||height="341" width="734"]]
1255 1255  
1256 -
1257 1257  == 3.6 Interface Detail ==
1258 1258  
1259 1259  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1262,7 +1262,6 @@
1262 1262  
1263 1263  [[image:1653356991268-289.png]]
1264 1264  
1265 -
1266 1266  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1267 1267  
1268 1268  (((
... ... @@ -1278,105 +1278,51 @@
1278 1278  [[image:1653357170703-587.png]]
1279 1279  
1280 1280  (((
1281 -(((
1282 1282  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1283 1283  )))
1284 -)))
1285 1285  
1286 -(((
1287 -
1288 -)))
1289 1289  
1290 -(((
1291 1291  **Example1**: Connect to a Low active sensor.
1292 -)))
1293 1293  
1294 -(((
1295 1295  This type of sensor will output a low signal GND when active.
1296 -)))
1297 1297  
1298 -* (((
1299 -Connect sensor’s output to DI1-
1300 -)))
1301 -* (((
1302 -Connect sensor’s VCC to DI1+.
1303 -)))
1265 +* Connect sensor’s output to DI1-
1266 +* Connect sensor’s VCC to DI1+.
1304 1304  
1305 -(((
1306 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1307 -)))
1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1308 1308  
1309 -(((
1310 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1311 -)))
1270 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.**
1312 1312  
1313 -(((
1314 -If DI1+ = 12v, the [[image:1653968155772-850.png||height="23" width="19"]]= 12mA , So the LT-22222-L will be able to detect this active signal.
1315 -)))
1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1316 1316  
1317 -(((
1318 -
1319 -)))
1320 1320  
1321 -(((
1322 1322  **Example2**: Connect to a High active sensor.
1323 -)))
1324 1324  
1325 -(((
1326 1326  This type of sensor will output a high signal (example 24v) when active.
1327 -)))
1328 1328  
1329 -* (((
1330 -Connect sensor’s output to DI1+
1331 -)))
1332 -* (((
1333 -Connect sensor’s GND DI1-.
1334 -)))
1279 +* Connect sensor’s output to DI1+
1280 +* Connect sensor’s GND DI1-.
1335 1335  
1336 -(((
1337 1337  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1338 -)))
1339 1339  
1340 -(((
1341 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1342 -)))
1284 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1343 1343  
1344 -(((
1345 -If **DI1+ = 24v**, the[[image:1653968155772-850.png||height="23" width="19"]] 24mA , So the LT-22222-L will be able to detect this high active signal.
1346 -)))
1286 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1347 1347  
1348 -(((
1349 -
1350 -)))
1351 1351  
1352 -(((
1353 1353  **Example3**: Connect to a 220v high active sensor.
1354 -)))
1355 1355  
1356 -(((
1357 1357  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1358 -)))
1359 1359  
1360 -* (((
1361 -Connect sensor’s output to DI1+ with a serial 50K resistor
1362 -)))
1363 -* (((
1364 -Connect sensor’s GND DI1-.
1365 -)))
1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 +* Connect sensor’s GND DI1-.
1366 1366  
1367 -(((
1368 1368  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1369 -)))
1370 1370  
1371 -(((
1372 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1373 -)))
1298 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1374 1374  
1375 -(((
1376 -If sensor output is 220v, the [[image:1653968155772-850.png||height="23" width="19"]](% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1377 -)))
1300 +If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K.  = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely.
1378 1378  
1379 -
1380 1380  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1381 1381  
1382 1382  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1383,7 +1383,6 @@
1383 1383  
1384 1384  [[image:1653357531600-905.png]]
1385 1385  
1386 -
1387 1387  === 3.6.4 Analog Input Interface ===
1388 1388  
1389 1389  The analog input interface is as below. The LT will measure the IN2 voltage so to calculate the current pass the Load. The formula is:
... ... @@ -1411,7 +1411,6 @@
1411 1411  
1412 1412  [[image:1653357648330-671.png||height="155" width="733"]]
1413 1413  
1414 -
1415 1415  === 3.6.5 Relay Output ===
1416 1416  
1417 1417  (((
... ... @@ -1422,12 +1422,10 @@
1422 1422  
1423 1423  [[image:image-20220524100215-10.png||height="382" width="723"]]
1424 1424  
1425 -
1426 1426  == 3.7 LEDs Indicators ==
1427 1427  
1428 1428  [[image:image-20220524100748-11.png]]
1429 1429  
1430 -
1431 1431  = 4. Use AT Command =
1432 1432  
1433 1433  == 4.1 Access AT Command ==
... ... @@ -1628,8 +1628,6 @@
1628 1628  
1629 1629  (((
1630 1630  AT+CFG: Print all settings
1631 -
1632 -
1633 1633  )))
1634 1634  
1635 1635  == 4.2 Common AT Command Sequence ==
... ... @@ -1671,8 +1671,6 @@
1671 1671  
1672 1672  (((
1673 1673  (% style="background-color:#dcdcdc" %)ATZ
1674 -
1675 -
1676 1676  )))
1677 1677  
1678 1678  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1754,7 +1754,6 @@
1754 1754  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1755 1755  ATZ
1756 1756  
1757 -
1758 1758  = 5. FAQ =
1759 1759  
1760 1760  == 5.1 How to upgrade the image? ==
... ... @@ -1785,7 +1785,6 @@
1785 1785  
1786 1786  [[image:1653360054704-518.png||height="186" width="745"]]
1787 1787  
1788 -
1789 1789  (((
1790 1790  (((
1791 1791  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1794,8 +1794,6 @@
1794 1794  
1795 1795  (((
1796 1796  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1797 -
1798 -
1799 1799  )))
1800 1800  
1801 1801  (((
... ... @@ -1849,13 +1849,10 @@
1849 1849  
1850 1850  [[image:1653360498588-932.png||height="485" width="726"]]
1851 1851  
1852 -
1853 1853  == 5.4 Can I see counting event in Serial? ==
1854 1854  
1855 1855  (((
1856 1856  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.
1857 -
1858 -
1859 1859  )))
1860 1860  
1861 1861  (((
... ... @@ -1869,8 +1869,10 @@
1869 1869  )))
1870 1870  
1871 1871  (((
1872 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1779 +Please see this link for how to debug:
1873 1873  
1781 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]]
1782 +
1874 1874  
1875 1875  )))
1876 1876  
... ... @@ -1879,7 +1879,9 @@
1879 1879  )))
1880 1880  
1881 1881  (((
1882 -See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1791 +See this link for trouble shooting:
1792 +
1793 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
1883 1883  )))
1884 1884  
1885 1885  (((
... ... @@ -1891,7 +1891,9 @@
1891 1891  )))
1892 1892  
1893 1893  (((
1894 -It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1805 +It might be about the channels mapping. Please see this link for detail:
1806 +
1807 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
1895 1895  )))
1896 1896  
1897 1897  (((
... ... @@ -1965,8 +1965,6 @@
1965 1965  (((
1966 1966  * (((
1967 1967  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1968 -
1969 -
1970 1970  )))
1971 1971  
1972 1972  = 8. Packing Info =
... ... @@ -1999,8 +1999,6 @@
1999 1999  * Device Weight: 105g
2000 2000  * Package Size / pcs : 14.5 x 8 x 5 cm
2001 2001  * Weight / pcs : 170g
2002 -
2003 -
2004 2004  )))
2005 2005  )))
2006 2006  
... ... @@ -2022,8 +2022,6 @@
2022 2022  (((
2023 2023  (((
2024 2024   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2025 -
2026 -
2027 2027  )))
2028 2028  
2029 2029  (((
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