Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 68.24 >
edited by Xiaoling
on 2022/05/31 11:10
To version < 68.16 >
edited by Xiaoling
on 2022/05/25 15:20
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... ... @@ -41,8 +41,6 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 -
45 -
46 46  )))
47 47  
48 48  == 1.2  Specifications ==
... ... @@ -153,8 +153,6 @@
153 153  )))
154 154  * (((
155 155  Packet engine up to 256 bytes with CRC.
156 -
157 -
158 158  )))
159 159  
160 160  == 1.3 Features ==
... ... @@ -199,7 +199,6 @@
199 199  
200 200  [[image:1653297104069-180.png]]
201 201  
202 -
203 203  = 3. Operation Mode =
204 204  
205 205  == 3.1 How it works? ==
... ... @@ -210,8 +210,6 @@
210 210  
211 211  (((
212 212  In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices.
213 -
214 -
215 215  )))
216 216  
217 217  == 3.2 Example to join LoRaWAN network ==
... ... @@ -242,12 +242,10 @@
242 242  
243 243  [[image:1653297955910-247.png||height="321" width="716"]]
244 244  
245 -
246 246  Add APP KEY and DEV EUI
247 247  
248 248  [[image:1653298023685-319.png]]
249 249  
250 -
251 251  (((
252 252  **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel.
253 253  )))
... ... @@ -254,7 +254,6 @@
254 254  
255 255  [[image:1653298044601-602.png||height="405" width="709"]]
256 256  
257 -
258 258  == 3.3 Uplink Payload ==
259 259  
260 260  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -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  (((
... ... @@ -1291,7 +1291,7 @@
1291 1291  
1292 1292  So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1293 1293  
1294 -[[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:/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:/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.**
1255 +[[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.**
1295 1295  
1296 1296  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1297 1297  
... ... @@ -1305,9 +1305,9 @@
1305 1305  
1306 1306  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1307 1307  
1308 -[[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:/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:/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.**
1269 +[[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.**
1309 1309  
1310 -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:/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:/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.
1271 +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.
1311 1311  
1312 1312  
1313 1313  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1319,11 +1319,10 @@
1319 1319  
1320 1320  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1321 1321  
1322 - [[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:/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:/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.**
1283 + [[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.**
1323 1323  
1324 1324  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.
1325 1325  
1326 -
1327 1327  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1328 1328  
1329 1329  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1330,7 +1330,6 @@
1330 1330  
1331 1331  [[image:1653357531600-905.png]]
1332 1332  
1333 -
1334 1334  === 3.6.4 Analog Input Interface ===
1335 1335  
1336 1336  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:
... ... @@ -1358,7 +1358,6 @@
1358 1358  
1359 1359  [[image:1653357648330-671.png||height="155" width="733"]]
1360 1360  
1361 -
1362 1362  === 3.6.5 Relay Output ===
1363 1363  
1364 1364  (((
... ... @@ -1369,12 +1369,10 @@
1369 1369  
1370 1370  [[image:image-20220524100215-10.png||height="382" width="723"]]
1371 1371  
1372 -
1373 1373  == 3.7 LEDs Indicators ==
1374 1374  
1375 1375  [[image:image-20220524100748-11.png]]
1376 1376  
1377 -
1378 1378  = 4. Use AT Command =
1379 1379  
1380 1380  == 4.1 Access AT Command ==
... ... @@ -1575,8 +1575,6 @@
1575 1575  
1576 1576  (((
1577 1577  AT+CFG: Print all settings
1578 -
1579 -
1580 1580  )))
1581 1581  
1582 1582  == 4.2 Common AT Command Sequence ==
... ... @@ -1618,8 +1618,6 @@
1618 1618  
1619 1619  (((
1620 1620  (% style="background-color:#dcdcdc" %)ATZ
1621 -
1622 -
1623 1623  )))
1624 1624  
1625 1625  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1701,7 +1701,6 @@
1701 1701  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1702 1702  ATZ
1703 1703  
1704 -
1705 1705  = 5. FAQ =
1706 1706  
1707 1707  == 5.1 How to upgrade the image? ==
... ... @@ -1732,7 +1732,6 @@
1732 1732  
1733 1733  [[image:1653360054704-518.png||height="186" width="745"]]
1734 1734  
1735 -
1736 1736  (((
1737 1737  (((
1738 1738  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1741,8 +1741,6 @@
1741 1741  
1742 1742  (((
1743 1743  User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1744 -
1745 -
1746 1746  )))
1747 1747  
1748 1748  (((
... ... @@ -1796,13 +1796,10 @@
1796 1796  
1797 1797  [[image:1653360498588-932.png||height="485" width="726"]]
1798 1798  
1799 -
1800 1800  == 5.4 Can I see counting event in Serial? ==
1801 1801  
1802 1802  (((
1803 1803  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.
1804 -
1805 -
1806 1806  )))
1807 1807  
1808 1808  (((
... ... @@ -1816,7 +1816,7 @@
1816 1816  )))
1817 1817  
1818 1818  (((
1819 -Please see this link for how to debug: [[LoRaWAN Communication Debug>>LoRaWAN Communication Debug||anchor="H5.1Howitwork"]]
1764 +Please see this link for how to debug:
1820 1820  
1821 1821  [[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]]
1822 1822  
... ... @@ -1918,8 +1918,6 @@
1918 1918  (((
1919 1919  * (((
1920 1920  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1921 -
1922 -
1923 1923  )))
1924 1924  
1925 1925  = 8. Packing Info =
... ... @@ -1952,8 +1952,6 @@
1952 1952  * Device Weight: 105g
1953 1953  * Package Size / pcs : 14.5 x 8 x 5 cm
1954 1954  * Weight / pcs : 170g
1955 -
1956 -
1957 1957  )))
1958 1958  )))
1959 1959  
... ... @@ -1975,8 +1975,6 @@
1975 1975  (((
1976 1976  (((
1977 1977   [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1978 -
1979 -
1980 1980  )))
1981 1981  
1982 1982  (((

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