Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 75.10 >
edited by Xiaoling
on 2022/06/01 17:29
To version < 68.18 >
edited by Xiaoling
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Summary

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... ... @@ -16,7 +16,7 @@
16 16  == 1.1 What is LT Series I/O Controller ==
17 17  
18 18  (((
19 -The Dragino (% style="color:blue" %)**LT series I/O Modules**(%%) are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as:** (% style="color:blue" %)analog current Input, analog voltage input(%%)**(% style="color:blue" %), **relay output**, **digital input**(%%) and (% style="color:blue" %)**digital output**(%%) etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
19 +The Dragino LT series I/O Modules are Long Range LoRaWAN I/O Controller. It contains different I/O Interfaces such as: analog current Input, analog voltage input, relay output, digital input and digital output etc. The LT I/O Modules are designed to simplify the installation of I/O monitoring.
20 20  )))
21 21  
22 22  (((
... ... @@ -24,7 +24,7 @@
24 24  )))
25 25  
26 26  (((
27 -The LT I/O Controllers is aiming to provide an (% style="color:blue" %)**easy and low cost installation** (%%)by using LoRa wireless technology.
27 +The LT I/O Controllers is aiming to provide a simple plug and play, low cost installation by using LoRaWAN wireless technology.
28 28  )))
29 29  
30 30  (((
... ... @@ -168,7 +168,6 @@
168 168  * Counting
169 169  
170 170  
171 -
172 172  == 1.4  Applications ==
173 173  
174 174  * Smart Buildings & Home Automation
... ... @@ -179,7 +179,6 @@
179 179  * Smart Factory
180 180  
181 181  
182 -
183 183  == 1.5 Hardware Variants ==
184 184  
185 185  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -273,7 +273,6 @@
273 273  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
274 274  
275 275  
276 -
277 277  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
278 278  
279 279  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -416,7 +416,6 @@
416 416  )))
417 417  )))
418 418  
419 -
420 420  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
421 421  
422 422  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -457,8 +457,6 @@
457 457  
458 458  (((
459 459  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
460 -
461 -
462 462  )))
463 463  
464 464  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -541,7 +541,6 @@
541 541  )))
542 542  )))
543 543  
544 -
545 545  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
546 546  
547 547  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -582,8 +582,6 @@
582 582  
583 583  (((
584 584  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
585 -
586 -
587 587  )))
588 588  
589 589  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -706,13 +706,10 @@
706 706  
707 707  When device got this command, it will send the MOD6 payload.
708 708  
709 -
710 710  === 3.3.7 Payload Decoder ===
711 711  
712 712  (((
713 713  **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/]]
714 -
715 -
716 716  )))
717 717  
718 718  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -731,7 +731,6 @@
731 731  
732 732  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]]
733 733  
734 -
735 735  === 3.4.2 Sensor related commands ===
736 736  
737 737  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -754,7 +754,6 @@
754 754  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
755 755  )))
756 756  
757 -
758 758  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
759 759  
760 760  Set work mode.
... ... @@ -775,7 +775,6 @@
775 775  **0x0A aa     ~/~/ Same as AT+MOD=aa**
776 776  )))
777 777  
778 -
779 779  ==== 3.4.2.3 Poll an uplink ====
780 780  
781 781  * AT Command:
... ... @@ -791,7 +791,6 @@
791 791  
792 792  **Example**: 0x08FF, ask device to send an Uplink
793 793  
794 -
795 795  ==== 3.4.2.4 Enable Trigger Mode ====
796 796  
797 797  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]]
... ... @@ -814,7 +814,6 @@
814 814  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
815 815  )))
816 816  
817 -
818 818  ==== 3.4.2.5 Poll trigger settings ====
819 819  
820 820  Poll trigger settings,
... ... @@ -830,7 +830,6 @@
830 830  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
831 831  )))
832 832  
833 -
834 834  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
835 835  
836 836  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -853,7 +853,6 @@
853 853  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
854 854  )))
855 855  
856 -
857 857  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
858 858  
859 859  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -880,7 +880,6 @@
880 880  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
881 881  )))
882 882  
883 -
884 884  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
885 885  
886 886  Set DI2 trigger.
... ... @@ -907,7 +907,6 @@
907 907  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
908 908  )))
909 909  
910 -
911 911  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
912 912  
913 913  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]]
... ... @@ -926,7 +926,6 @@
926 926  **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]]**
927 927  )))
928 928  
929 -
930 930  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
931 931  
932 932  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]]
... ... @@ -945,7 +945,6 @@
945 945  **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]] **
946 946  )))
947 947  
948 -
949 949  ==== 3.4.2.11 Trigger – Set minimum interval ====
950 950  
951 951  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -964,7 +964,6 @@
964 964  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
965 965  )))
966 966  
967 -
968 968  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
969 969  
970 970  * AT Command:
... ... @@ -1155,7 +1155,6 @@
1155 1155  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1156 1156  )))
1157 1157  
1158 -
1159 1159  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1160 1160  
1161 1161  * AT Command:
... ... @@ -1180,7 +1180,6 @@
1180 1180  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1181 1181  )))
1182 1182  
1183 -
1184 1184  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1185 1185  
1186 1186  Clear counting for counting mode
... ... @@ -1199,7 +1199,6 @@
1199 1199  **0x A6 01     ~/~/ clear all counting,**
1200 1200  )))
1201 1201  
1202 -
1203 1203  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1204 1204  
1205 1205  * AT Command:
... ... @@ -1218,8 +1218,6 @@
1218 1218  
1219 1219  (((
1220 1220  range: aa bb cc:0 to 16777215,  (unit:second)
1221 -
1222 -
1223 1223  )))
1224 1224  
1225 1225  == 3.5 Integrate with Mydevice ==
... ... @@ -1248,7 +1248,6 @@
1248 1248  
1249 1249  [[image:1653356838789-523.png||height="337" width="740"]]
1250 1250  
1251 -
1252 1252  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1253 1253  
1254 1254  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1261,7 +1261,6 @@
1261 1261  
1262 1262  [[image:image-20220524094909-5.png||height="341" width="734"]]
1263 1263  
1264 -
1265 1265  == 3.6 Interface Detail ==
1266 1266  
1267 1267  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1270,7 +1270,6 @@
1270 1270  
1271 1271  [[image:1653356991268-289.png]]
1272 1272  
1273 -
1274 1274  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1275 1275  
1276 1276  (((
... ... @@ -1286,105 +1286,51 @@
1286 1286  [[image:1653357170703-587.png]]
1287 1287  
1288 1288  (((
1289 -(((
1290 1290  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1291 1291  )))
1292 -)))
1293 1293  
1294 -(((
1295 -
1296 -)))
1297 1297  
1298 -(((
1299 1299  **Example1**: Connect to a Low active sensor.
1300 -)))
1301 1301  
1302 -(((
1303 1303  This type of sensor will output a low signal GND when active.
1304 -)))
1305 1305  
1306 -* (((
1307 -Connect sensor’s output to DI1-
1308 -)))
1309 -* (((
1310 -Connect sensor’s VCC to DI1+.
1311 -)))
1265 +* Connect sensor’s output to DI1-
1266 +* Connect sensor’s VCC to DI1+.
1312 1312  
1313 -(((
1314 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1315 -)))
1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1316 1316  
1317 -(((
1318 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1319 -)))
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.**
1320 1320  
1321 -(((
1322 -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.
1323 -)))
1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1324 1324  
1325 -(((
1326 -
1327 -)))
1328 1328  
1329 -(((
1330 1330  **Example2**: Connect to a High active sensor.
1331 -)))
1332 1332  
1333 -(((
1334 1334  This type of sensor will output a high signal (example 24v) when active.
1335 -)))
1336 1336  
1337 -* (((
1338 -Connect sensor’s output to DI1+
1339 -)))
1340 -* (((
1341 -Connect sensor’s GND DI1-.
1342 -)))
1279 +* Connect sensor’s output to DI1+
1280 +* Connect sensor’s GND DI1-.
1343 1343  
1344 -(((
1345 1345  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1346 -)))
1347 1347  
1348 -(((
1349 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1350 -)))
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.**
1351 1351  
1352 -(((
1353 -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.
1354 -)))
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.
1355 1355  
1356 -(((
1357 -
1358 -)))
1359 1359  
1360 -(((
1361 1361  **Example3**: Connect to a 220v high active sensor.
1362 -)))
1363 1363  
1364 -(((
1365 1365  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1366 -)))
1367 1367  
1368 -* (((
1369 -Connect sensor’s output to DI1+ with a serial 50K resistor
1370 -)))
1371 -* (((
1372 -Connect sensor’s GND DI1-.
1373 -)))
1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 +* Connect sensor’s GND DI1-.
1374 1374  
1375 -(((
1376 1376  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1377 -)))
1378 1378  
1379 -(((
1380 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1381 -)))
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.**
1382 1382  
1383 -(((
1384 -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.
1385 -)))
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.
1386 1386  
1387 -
1388 1388  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1389 1389  
1390 1390  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1391,7 +1391,6 @@
1391 1391  
1392 1392  [[image:1653357531600-905.png]]
1393 1393  
1394 -
1395 1395  === 3.6.4 Analog Input Interface ===
1396 1396  
1397 1397  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:
... ... @@ -1419,7 +1419,6 @@
1419 1419  
1420 1420  [[image:1653357648330-671.png||height="155" width="733"]]
1421 1421  
1422 -
1423 1423  === 3.6.5 Relay Output ===
1424 1424  
1425 1425  (((
... ... @@ -1430,12 +1430,10 @@
1430 1430  
1431 1431  [[image:image-20220524100215-10.png||height="382" width="723"]]
1432 1432  
1433 -
1434 1434  == 3.7 LEDs Indicators ==
1435 1435  
1436 1436  [[image:image-20220524100748-11.png]]
1437 1437  
1438 -
1439 1439  = 4. Use AT Command =
1440 1440  
1441 1441  == 4.1 Access AT Command ==
... ... @@ -1636,8 +1636,6 @@
1636 1636  
1637 1637  (((
1638 1638  AT+CFG: Print all settings
1639 -
1640 -
1641 1641  )))
1642 1642  
1643 1643  == 4.2 Common AT Command Sequence ==
... ... @@ -1679,8 +1679,6 @@
1679 1679  
1680 1680  (((
1681 1681  (% style="background-color:#dcdcdc" %)ATZ
1682 -
1683 -
1684 1684  )))
1685 1685  
1686 1686  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1762,7 +1762,6 @@
1762 1762  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1763 1763  ATZ
1764 1764  
1765 -
1766 1766  = 5. FAQ =
1767 1767  
1768 1768  == 5.1 How to upgrade the image? ==
... ... @@ -1793,7 +1793,6 @@
1793 1793  
1794 1794  [[image:1653360054704-518.png||height="186" width="745"]]
1795 1795  
1796 -
1797 1797  (((
1798 1798  (((
1799 1799  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1802,8 +1802,6 @@
1802 1802  
1803 1803  (((
1804 1804  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1805 -
1806 -
1807 1807  )))
1808 1808  
1809 1809  (((
... ... @@ -1857,13 +1857,10 @@
1857 1857  
1858 1858  [[image:1653360498588-932.png||height="485" width="726"]]
1859 1859  
1860 -
1861 1861  == 5.4 Can I see counting event in Serial? ==
1862 1862  
1863 1863  (((
1864 1864  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.
1865 -
1866 -
1867 1867  )))
1868 1868  
1869 1869  (((
... ... @@ -1877,8 +1877,10 @@
1877 1877  )))
1878 1878  
1879 1879  (((
1880 -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:
1881 1881  
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 +
1882 1882  
1883 1883  )))
1884 1884  
... ... @@ -1887,7 +1887,9 @@
1887 1887  )))
1888 1888  
1889 1889  (((
1890 -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/]]
1891 1891  )))
1892 1892  
1893 1893  (((
... ... @@ -1899,7 +1899,9 @@
1899 1899  )))
1900 1900  
1901 1901  (((
1902 -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]]
1903 1903  )))
1904 1904  
1905 1905  (((
... ... @@ -1973,8 +1973,6 @@
1973 1973  (((
1974 1974  * (((
1975 1975  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1976 -
1977 -
1978 1978  )))
1979 1979  
1980 1980  = 8. Packing Info =
... ... @@ -2007,8 +2007,6 @@
2007 2007  * Device Weight: 105g
2008 2008  * Package Size / pcs : 14.5 x 8 x 5 cm
2009 2009  * Weight / pcs : 170g
2010 -
2011 -
2012 2012  )))
2013 2013  )))
2014 2014  
... ... @@ -2030,8 +2030,6 @@
2030 2030  (((
2031 2031  (((
2032 2032   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2033 -
2034 -
2035 2035  )))
2036 2036  
2037 2037  (((
1653968155772-850.png
Author
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1 -XWiki.Xiaoling
Size
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