Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 75.9 >
edited by Xiaoling
on 2022/06/01 17:28
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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" %)
... ... @@ -272,6 +272,7 @@
272 272  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
273 273  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
274 274  
273 +
275 275  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
276 276  
277 277  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -414,7 +414,6 @@
414 414  )))
415 415  )))
416 416  
417 -
418 418  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
419 419  
420 420  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -455,8 +455,6 @@
455 455  
456 456  (((
457 457  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
458 -
459 -
460 460  )))
461 461  
462 462  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -539,7 +539,6 @@
539 539  )))
540 540  )))
541 541  
542 -
543 543  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
544 544  
545 545  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -580,8 +580,6 @@
580 580  
581 581  (((
582 582  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
583 -
584 -
585 585  )))
586 586  
587 587  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -704,13 +704,10 @@
704 704  
705 705  When device got this command, it will send the MOD6 payload.
706 706  
707 -
708 708  === 3.3.7 Payload Decoder ===
709 709  
710 710  (((
711 711  **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/]]
712 -
713 -
714 714  )))
715 715  
716 716  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -729,7 +729,6 @@
729 729  
730 730  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]]
731 731  
732 -
733 733  === 3.4.2 Sensor related commands ===
734 734  
735 735  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -752,7 +752,6 @@
752 752  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
753 753  )))
754 754  
755 -
756 756  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
757 757  
758 758  Set work mode.
... ... @@ -773,7 +773,6 @@
773 773  **0x0A aa     ~/~/ Same as AT+MOD=aa**
774 774  )))
775 775  
776 -
777 777  ==== 3.4.2.3 Poll an uplink ====
778 778  
779 779  * AT Command:
... ... @@ -789,7 +789,6 @@
789 789  
790 790  **Example**: 0x08FF, ask device to send an Uplink
791 791  
792 -
793 793  ==== 3.4.2.4 Enable Trigger Mode ====
794 794  
795 795  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]]
... ... @@ -812,7 +812,6 @@
812 812  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
813 813  )))
814 814  
815 -
816 816  ==== 3.4.2.5 Poll trigger settings ====
817 817  
818 818  Poll trigger settings,
... ... @@ -828,7 +828,6 @@
828 828  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
829 829  )))
830 830  
831 -
832 832  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
833 833  
834 834  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -851,7 +851,6 @@
851 851  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
852 852  )))
853 853  
854 -
855 855  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
856 856  
857 857  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -878,7 +878,6 @@
878 878  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
879 879  )))
880 880  
881 -
882 882  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
883 883  
884 884  Set DI2 trigger.
... ... @@ -905,7 +905,6 @@
905 905  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
906 906  )))
907 907  
908 -
909 909  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
910 910  
911 911  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]]
... ... @@ -924,7 +924,6 @@
924 924  **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]]**
925 925  )))
926 926  
927 -
928 928  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
929 929  
930 930  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]]
... ... @@ -943,7 +943,6 @@
943 943  **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]] **
944 944  )))
945 945  
946 -
947 947  ==== 3.4.2.11 Trigger – Set minimum interval ====
948 948  
949 949  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -962,7 +962,6 @@
962 962  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
963 963  )))
964 964  
965 -
966 966  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
967 967  
968 968  * AT Command:
... ... @@ -1153,7 +1153,6 @@
1153 1153  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1154 1154  )))
1155 1155  
1156 -
1157 1157  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1158 1158  
1159 1159  * AT Command:
... ... @@ -1178,7 +1178,6 @@
1178 1178  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1179 1179  )))
1180 1180  
1181 -
1182 1182  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1183 1183  
1184 1184  Clear counting for counting mode
... ... @@ -1197,7 +1197,6 @@
1197 1197  **0x A6 01     ~/~/ clear all counting,**
1198 1198  )))
1199 1199  
1200 -
1201 1201  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1202 1202  
1203 1203  * AT Command:
... ... @@ -1216,8 +1216,6 @@
1216 1216  
1217 1217  (((
1218 1218  range: aa bb cc:0 to 16777215,  (unit:second)
1219 -
1220 -
1221 1221  )))
1222 1222  
1223 1223  == 3.5 Integrate with Mydevice ==
... ... @@ -1246,7 +1246,6 @@
1246 1246  
1247 1247  [[image:1653356838789-523.png||height="337" width="740"]]
1248 1248  
1249 -
1250 1250  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1251 1251  
1252 1252  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1259,7 +1259,6 @@
1259 1259  
1260 1260  [[image:image-20220524094909-5.png||height="341" width="734"]]
1261 1261  
1262 -
1263 1263  == 3.6 Interface Detail ==
1264 1264  
1265 1265  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1268,7 +1268,6 @@
1268 1268  
1269 1269  [[image:1653356991268-289.png]]
1270 1270  
1271 -
1272 1272  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1273 1273  
1274 1274  (((
... ... @@ -1284,105 +1284,51 @@
1284 1284  [[image:1653357170703-587.png]]
1285 1285  
1286 1286  (((
1287 -(((
1288 1288  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1289 1289  )))
1290 -)))
1291 1291  
1292 -(((
1293 -
1294 -)))
1295 1295  
1296 -(((
1297 1297  **Example1**: Connect to a Low active sensor.
1298 -)))
1299 1299  
1300 -(((
1301 1301  This type of sensor will output a low signal GND when active.
1302 -)))
1303 1303  
1304 -* (((
1305 -Connect sensor’s output to DI1-
1306 -)))
1307 -* (((
1308 -Connect sensor’s VCC to DI1+.
1309 -)))
1265 +* Connect sensor’s output to DI1-
1266 +* Connect sensor’s VCC to DI1+.
1310 1310  
1311 -(((
1312 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1313 -)))
1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1314 1314  
1315 -(((
1316 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1317 -)))
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.**
1318 1318  
1319 -(((
1320 -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.
1321 -)))
1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1322 1322  
1323 -(((
1324 -
1325 -)))
1326 1326  
1327 -(((
1328 1328  **Example2**: Connect to a High active sensor.
1329 -)))
1330 1330  
1331 -(((
1332 1332  This type of sensor will output a high signal (example 24v) when active.
1333 -)))
1334 1334  
1335 -* (((
1336 -Connect sensor’s output to DI1+
1337 -)))
1338 -* (((
1339 -Connect sensor’s GND DI1-.
1340 -)))
1279 +* Connect sensor’s output to DI1+
1280 +* Connect sensor’s GND DI1-.
1341 1341  
1342 -(((
1343 1343  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1344 -)))
1345 1345  
1346 -(((
1347 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1348 -)))
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.**
1349 1349  
1350 -(((
1351 -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.
1352 -)))
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.
1353 1353  
1354 -(((
1355 -
1356 -)))
1357 1357  
1358 -(((
1359 1359  **Example3**: Connect to a 220v high active sensor.
1360 -)))
1361 1361  
1362 -(((
1363 1363  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1364 -)))
1365 1365  
1366 -* (((
1367 -Connect sensor’s output to DI1+ with a serial 50K resistor
1368 -)))
1369 -* (((
1370 -Connect sensor’s GND DI1-.
1371 -)))
1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 +* Connect sensor’s GND DI1-.
1372 1372  
1373 -(((
1374 1374  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1375 -)))
1376 1376  
1377 -(((
1378 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1379 -)))
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.**
1380 1380  
1381 -(((
1382 -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.
1383 -)))
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.
1384 1384  
1385 -
1386 1386  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1387 1387  
1388 1388  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1389,7 +1389,6 @@
1389 1389  
1390 1390  [[image:1653357531600-905.png]]
1391 1391  
1392 -
1393 1393  === 3.6.4 Analog Input Interface ===
1394 1394  
1395 1395  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:
... ... @@ -1417,7 +1417,6 @@
1417 1417  
1418 1418  [[image:1653357648330-671.png||height="155" width="733"]]
1419 1419  
1420 -
1421 1421  === 3.6.5 Relay Output ===
1422 1422  
1423 1423  (((
... ... @@ -1428,12 +1428,10 @@
1428 1428  
1429 1429  [[image:image-20220524100215-10.png||height="382" width="723"]]
1430 1430  
1431 -
1432 1432  == 3.7 LEDs Indicators ==
1433 1433  
1434 1434  [[image:image-20220524100748-11.png]]
1435 1435  
1436 -
1437 1437  = 4. Use AT Command =
1438 1438  
1439 1439  == 4.1 Access AT Command ==
... ... @@ -1634,8 +1634,6 @@
1634 1634  
1635 1635  (((
1636 1636  AT+CFG: Print all settings
1637 -
1638 -
1639 1639  )))
1640 1640  
1641 1641  == 4.2 Common AT Command Sequence ==
... ... @@ -1677,8 +1677,6 @@
1677 1677  
1678 1678  (((
1679 1679  (% style="background-color:#dcdcdc" %)ATZ
1680 -
1681 -
1682 1682  )))
1683 1683  
1684 1684  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1760,7 +1760,6 @@
1760 1760  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1761 1761  ATZ
1762 1762  
1763 -
1764 1764  = 5. FAQ =
1765 1765  
1766 1766  == 5.1 How to upgrade the image? ==
... ... @@ -1791,7 +1791,6 @@
1791 1791  
1792 1792  [[image:1653360054704-518.png||height="186" width="745"]]
1793 1793  
1794 -
1795 1795  (((
1796 1796  (((
1797 1797  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1800,8 +1800,6 @@
1800 1800  
1801 1801  (((
1802 1802  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1803 -
1804 -
1805 1805  )))
1806 1806  
1807 1807  (((
... ... @@ -1855,13 +1855,10 @@
1855 1855  
1856 1856  [[image:1653360498588-932.png||height="485" width="726"]]
1857 1857  
1858 -
1859 1859  == 5.4 Can I see counting event in Serial? ==
1860 1860  
1861 1861  (((
1862 1862  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.
1863 -
1864 -
1865 1865  )))
1866 1866  
1867 1867  (((
... ... @@ -1875,8 +1875,10 @@
1875 1875  )))
1876 1876  
1877 1877  (((
1878 -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:
1879 1879  
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 +
1880 1880  
1881 1881  )))
1882 1882  
... ... @@ -1885,7 +1885,9 @@
1885 1885  )))
1886 1886  
1887 1887  (((
1888 -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/]]
1889 1889  )))
1890 1890  
1891 1891  (((
... ... @@ -1897,7 +1897,9 @@
1897 1897  )))
1898 1898  
1899 1899  (((
1900 -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]]
1901 1901  )))
1902 1902  
1903 1903  (((
... ... @@ -1971,8 +1971,6 @@
1971 1971  (((
1972 1972  * (((
1973 1973  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1974 -
1975 -
1976 1976  )))
1977 1977  
1978 1978  = 8. Packing Info =
... ... @@ -2005,8 +2005,6 @@
2005 2005  * Device Weight: 105g
2006 2006  * Package Size / pcs : 14.5 x 8 x 5 cm
2007 2007  * Weight / pcs : 170g
2008 -
2009 -
2010 2010  )))
2011 2011  )))
2012 2012  
... ... @@ -2028,8 +2028,6 @@
2028 2028  (((
2029 2029  (((
2030 2030   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2031 -
2032 -
2033 2033  )))
2034 2034  
2035 2035  (((
1653968155772-850.png
Author
... ... @@ -1,1 +1,0 @@
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