Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 75.7 >
edited by Xiaoling
on 2022/06/01 17:27
To version < 68.18 >
edited by Xiaoling
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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
... ... @@ -178,6 +178,7 @@
178 178  * Smart Cities
179 179  * Smart Factory
180 180  
180 +
181 181  == 1.5 Hardware Variants ==
182 182  
183 183  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -191,6 +191,8 @@
191 191  * 1 x Counting Port
192 192  )))
193 193  
194 +
195 +
194 194  = 2. Power ON Device =
195 195  
196 196  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.
... ... @@ -268,6 +268,7 @@
268 268  * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
269 269  * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5
270 270  
273 +
271 271  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
272 272  
273 273  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default.
... ... @@ -410,7 +410,6 @@
410 410  )))
411 411  )))
412 412  
413 -
414 414  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
415 415  
416 416  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -451,8 +451,6 @@
451 451  
452 452  (((
453 453  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
454 -
455 -
456 456  )))
457 457  
458 458  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -535,7 +535,6 @@
535 535  )))
536 536  )))
537 537  
538 -
539 539  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
540 540  
541 541  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -576,8 +576,6 @@
576 576  
577 577  (((
578 578  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
579 -
580 -
581 581  )))
582 582  
583 583  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -700,13 +700,10 @@
700 700  
701 701  When device got this command, it will send the MOD6 payload.
702 702  
703 -
704 704  === 3.3.7 Payload Decoder ===
705 705  
706 706  (((
707 707  **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/]]
708 -
709 -
710 710  )))
711 711  
712 712  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -725,7 +725,6 @@
725 725  
726 726  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]]
727 727  
728 -
729 729  === 3.4.2 Sensor related commands ===
730 730  
731 731  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -748,7 +748,6 @@
748 748  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
749 749  )))
750 750  
751 -
752 752  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
753 753  
754 754  Set work mode.
... ... @@ -769,7 +769,6 @@
769 769  **0x0A aa     ~/~/ Same as AT+MOD=aa**
770 770  )))
771 771  
772 -
773 773  ==== 3.4.2.3 Poll an uplink ====
774 774  
775 775  * AT Command:
... ... @@ -785,7 +785,6 @@
785 785  
786 786  **Example**: 0x08FF, ask device to send an Uplink
787 787  
788 -
789 789  ==== 3.4.2.4 Enable Trigger Mode ====
790 790  
791 791  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]]
... ... @@ -808,7 +808,6 @@
808 808  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
809 809  )))
810 810  
811 -
812 812  ==== 3.4.2.5 Poll trigger settings ====
813 813  
814 814  Poll trigger settings,
... ... @@ -824,7 +824,6 @@
824 824  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
825 825  )))
826 826  
827 -
828 828  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
829 829  
830 830  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -847,7 +847,6 @@
847 847  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
848 848  )))
849 849  
850 -
851 851  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
852 852  
853 853  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -874,7 +874,6 @@
874 874  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
875 875  )))
876 876  
877 -
878 878  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
879 879  
880 880  Set DI2 trigger.
... ... @@ -901,7 +901,6 @@
901 901  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
902 902  )))
903 903  
904 -
905 905  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
906 906  
907 907  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]]
... ... @@ -920,7 +920,6 @@
920 920  **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]]**
921 921  )))
922 922  
923 -
924 924  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
925 925  
926 926  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]]
... ... @@ -939,7 +939,6 @@
939 939  **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]] **
940 940  )))
941 941  
942 -
943 943  ==== 3.4.2.11 Trigger – Set minimum interval ====
944 944  
945 945  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -958,7 +958,6 @@
958 958  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
959 959  )))
960 960  
961 -
962 962  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
963 963  
964 964  * AT Command:
... ... @@ -1149,7 +1149,6 @@
1149 1149  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1150 1150  )))
1151 1151  
1152 -
1153 1153  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1154 1154  
1155 1155  * AT Command:
... ... @@ -1174,7 +1174,6 @@
1174 1174  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1175 1175  )))
1176 1176  
1177 -
1178 1178  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1179 1179  
1180 1180  Clear counting for counting mode
... ... @@ -1193,7 +1193,6 @@
1193 1193  **0x A6 01     ~/~/ clear all counting,**
1194 1194  )))
1195 1195  
1196 -
1197 1197  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1198 1198  
1199 1199  * AT Command:
... ... @@ -1212,8 +1212,6 @@
1212 1212  
1213 1213  (((
1214 1214  range: aa bb cc:0 to 16777215,  (unit:second)
1215 -
1216 -
1217 1217  )))
1218 1218  
1219 1219  == 3.5 Integrate with Mydevice ==
... ... @@ -1242,7 +1242,6 @@
1242 1242  
1243 1243  [[image:1653356838789-523.png||height="337" width="740"]]
1244 1244  
1245 -
1246 1246  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1247 1247  
1248 1248  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1255,7 +1255,6 @@
1255 1255  
1256 1256  [[image:image-20220524094909-5.png||height="341" width="734"]]
1257 1257  
1258 -
1259 1259  == 3.6 Interface Detail ==
1260 1260  
1261 1261  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1264,7 +1264,6 @@
1264 1264  
1265 1265  [[image:1653356991268-289.png]]
1266 1266  
1267 -
1268 1268  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1269 1269  
1270 1270  (((
... ... @@ -1280,105 +1280,51 @@
1280 1280  [[image:1653357170703-587.png]]
1281 1281  
1282 1282  (((
1283 -(((
1284 1284  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1285 1285  )))
1286 -)))
1287 1287  
1288 -(((
1289 -
1290 -)))
1291 1291  
1292 -(((
1293 1293  **Example1**: Connect to a Low active sensor.
1294 -)))
1295 1295  
1296 -(((
1297 1297  This type of sensor will output a low signal GND when active.
1298 -)))
1299 1299  
1300 -* (((
1301 -Connect sensor’s output to DI1-
1302 -)))
1303 -* (((
1304 -Connect sensor’s VCC to DI1+.
1305 -)))
1265 +* Connect sensor’s output to DI1-
1266 +* Connect sensor’s VCC to DI1+.
1306 1306  
1307 -(((
1308 -So when sensor active, the current between NEC2501 pin1 and pin2 is：
1309 -)))
1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1310 1310  
1311 -(((
1312 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1313 -)))
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.**
1314 1314  
1315 -(((
1316 -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.
1317 -)))
1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1318 1318  
1319 -(((
1320 -
1321 -)))
1322 1322  
1323 -(((
1324 1324  **Example2**: Connect to a High active sensor.
1325 -)))
1326 1326  
1327 -(((
1328 1328  This type of sensor will output a high signal (example 24v) when active.
1329 -)))
1330 1330  
1331 -* (((
1332 -Connect sensor’s output to DI1+
1333 -)))
1334 -* (((
1335 -Connect sensor’s GND DI1-.
1336 -)))
1279 +* Connect sensor’s output to DI1+
1280 +* Connect sensor’s GND DI1-.
1337 1337  
1338 -(((
1339 1339  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1340 -)))
1341 1341  
1342 -(((
1343 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.**
1344 -)))
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.**
1345 1345  
1346 -(((
1347 -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.
1348 -)))
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.
1349 1349  
1350 -(((
1351 -
1352 -)))
1353 1353  
1354 -(((
1355 1355  **Example3**: Connect to a 220v high active sensor.
1356 -)))
1357 1357  
1358 -(((
1359 1359  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1360 -)))
1361 1361  
1362 -* (((
1363 -Connect sensor’s output to DI1+ with a serial 50K resistor
1364 -)))
1365 -* (((
1366 -Connect sensor’s GND DI1-.
1367 -)))
1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor
1294 +* Connect sensor’s GND DI1-.
1368 1368  
1369 -(((
1370 1370  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1371 -)))
1372 1372  
1373 -(((
1374 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.**
1375 -)))
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.**
1376 1376  
1377 -(((
1378 -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.
1379 -)))
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.
1380 1380  
1381 -
1382 1382  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1383 1383  
1384 1384  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1385,7 +1385,6 @@
1385 1385  
1386 1386  [[image:1653357531600-905.png]]
1387 1387  
1388 -
1389 1389  === 3.6.4 Analog Input Interface ===
1390 1390  
1391 1391  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:
... ... @@ -1413,7 +1413,6 @@
1413 1413  
1414 1414  [[image:1653357648330-671.png||height="155" width="733"]]
1415 1415  
1416 -
1417 1417  === 3.6.5 Relay Output ===
1418 1418  
1419 1419  (((
... ... @@ -1424,12 +1424,10 @@
1424 1424  
1425 1425  [[image:image-20220524100215-10.png||height="382" width="723"]]
1426 1426  
1427 -
1428 1428  == 3.7 LEDs Indicators ==
1429 1429  
1430 1430  [[image:image-20220524100748-11.png]]
1431 1431  
1432 -
1433 1433  = 4. Use AT Command =
1434 1434  
1435 1435  == 4.1 Access AT Command ==
... ... @@ -1630,8 +1630,6 @@
1630 1630  
1631 1631  (((
1632 1632  AT+CFG: Print all settings
1633 -
1634 -
1635 1635  )))
1636 1636  
1637 1637  == 4.2 Common AT Command Sequence ==
... ... @@ -1673,8 +1673,6 @@
1673 1673  
1674 1674  (((
1675 1675  (% style="background-color:#dcdcdc" %)ATZ
1676 -
1677 -
1678 1678  )))
1679 1679  
1680 1680  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1756,7 +1756,6 @@
1756 1756  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1757 1757  ATZ
1758 1758  
1759 -
1760 1760  = 5. FAQ =
1761 1761  
1762 1762  == 5.1 How to upgrade the image? ==
... ... @@ -1787,7 +1787,6 @@
1787 1787  
1788 1788  [[image:1653360054704-518.png||height="186" width="745"]]
1789 1789  
1790 -
1791 1791  (((
1792 1792  (((
1793 1793  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1796,8 +1796,6 @@
1796 1796  
1797 1797  (((
1798 1798  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1799 -
1800 -
1801 1801  )))
1802 1802  
1803 1803  (((
... ... @@ -1851,13 +1851,10 @@
1851 1851  
1852 1852  [[image:1653360498588-932.png||height="485" width="726"]]
1853 1853  
1854 -
1855 1855  == 5.4 Can I see counting event in Serial? ==
1856 1856  
1857 1857  (((
1858 1858  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.
1859 -
1860 -
1861 1861  )))
1862 1862  
1863 1863  (((
... ... @@ -1871,8 +1871,10 @@
1871 1871  )))
1872 1872  
1873 1873  (((
1874 -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:
1875 1875  
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 +
1876 1876  
1877 1877  )))
1878 1878  
... ... @@ -1881,7 +1881,9 @@
1881 1881  )))
1882 1882  
1883 1883  (((
1884 -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/]]
1885 1885  )))
1886 1886  
1887 1887  (((
... ... @@ -1893,7 +1893,9 @@
1893 1893  )))
1894 1894  
1895 1895  (((
1896 -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]]
1897 1897  )))
1898 1898  
1899 1899  (((
... ... @@ -1967,8 +1967,6 @@
1967 1967  (((
1968 1968  * (((
1969 1969  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1970 -
1971 -
1972 1972  )))
1973 1973  
1974 1974  = 8. Packing Info =
... ... @@ -2001,8 +2001,6 @@
2001 2001  * Device Weight: 105g
2002 2002  * Package Size / pcs : 14.5 x 8 x 5 cm
2003 2003  * Weight / pcs : 170g
2004 -
2005 -
2006 2006  )))
2007 2007  )))
2008 2008  
... ... @@ -2024,8 +2024,6 @@
2024 2024  (((
2025 2025  (((
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