Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 68.15 >
edited by Xiaoling
on 2022/05/25 15:17
To version < 71.4 >
edited by Xiaoling
on 2022/05/31 11:32
>
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... ... @@ -41,6 +41,8 @@
41 41  
42 42  (((
43 43  [[image:1653295757274-912.png]]
44 +
45 +
44 44  )))
45 45  
46 46  == 1.2  Specifications ==
... ... @@ -151,6 +151,8 @@
151 151  )))
152 152  * (((
153 153  Packet engine up to 256 bytes with CRC.
156 +
157 +
154 154  )))
155 155  
156 156  == 1.3 Features ==
... ... @@ -195,6 +195,7 @@
195 195  
196 196  [[image:1653297104069-180.png]]
197 197  
202 +
198 198  = 3. Operation Mode =
199 199  
200 200  == 3.1 How it works? ==
... ... @@ -205,6 +205,8 @@
205 205  
206 206  (((
207 207  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 +
208 208  )))
209 209  
210 210  == 3.2 Example to join LoRaWAN network ==
... ... @@ -235,10 +235,12 @@
235 235  
236 236  [[image:1653297955910-247.png||height="321" width="716"]]
237 237  
245 +
238 238  Add APP KEY and DEV EUI
239 239  
240 240  [[image:1653298023685-319.png]]
241 241  
250 +
242 242  (((
243 243  **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.
244 244  )))
... ... @@ -245,6 +245,7 @@
245 245  
246 246  [[image:1653298044601-602.png||height="405" width="709"]]
247 247  
257 +
248 248  == 3.3 Uplink Payload ==
249 249  
250 250  There are five working modes + one interrupt mode on LT for different type application:
... ... @@ -398,6 +398,7 @@
398 398  )))
399 399  )))
400 400  
411 +
401 401  === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI ===
402 402  
403 403  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -438,6 +438,8 @@
438 438  
439 439  (((
440 440  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
452 +
453 +
441 441  )))
442 442  
443 443  === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting ===
... ... @@ -520,6 +520,7 @@
520 520  )))
521 521  )))
522 522  
536 +
523 523  === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI ===
524 524  
525 525  **LT22222-L**: This mode the DI1 is used as a counting pin.
... ... @@ -560,6 +560,8 @@
560 560  
561 561  (((
562 562  Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]].
577 +
578 +
563 563  )))
564 564  
565 565  === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) ===
... ... @@ -682,10 +682,13 @@
682 682  
683 683  When device got this command, it will send the MOD6 payload.
684 684  
701 +
685 685  === 3.3.7 Payload Decoder ===
686 686  
687 687  (((
688 688  **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 +
689 689  )))
690 690  
691 691  == 3.4 ​Configure LT via AT or Downlink ==
... ... @@ -704,6 +704,7 @@
704 704  
705 705  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]]
706 706  
726 +
707 707  === 3.4.2 Sensor related commands ===
708 708  
709 709  ==== 3.4.2.1 Set Transmit Interval ====
... ... @@ -726,6 +726,7 @@
726 726  **0x01 aa bb cc     ~/~/ Same as AT+TDC=0x(aa bb cc)**
727 727  )))
728 728  
749 +
729 729  ==== 3.4.2.2 Set Work Mode (AT+MOD) ====
730 730  
731 731  Set work mode.
... ... @@ -746,6 +746,7 @@
746 746  **0x0A aa     ~/~/ Same as AT+MOD=aa**
747 747  )))
748 748  
770 +
749 749  ==== 3.4.2.3 Poll an uplink ====
750 750  
751 751  * AT Command:
... ... @@ -761,6 +761,7 @@
761 761  
762 762  **Example**: 0x08FF, ask device to send an Uplink
763 763  
786 +
764 764  ==== 3.4.2.4 Enable Trigger Mode ====
765 765  
766 766  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]]
... ... @@ -783,6 +783,7 @@
783 783  **0x0A 06 aa     ~/~/ Same as AT+ADDMOD6=aa,**
784 784  )))
785 785  
809 +
786 786  ==== 3.4.2.5 Poll trigger settings ====
787 787  
788 788  Poll trigger settings,
... ... @@ -798,6 +798,7 @@
798 798  **0xAB 06  ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command**
799 799  )))
800 800  
825 +
801 801  ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ====
802 802  
803 803  Enable Disable DI1/DI2/DI2 as trigger,
... ... @@ -820,6 +820,7 @@
820 820  **0xAA 02 aa bb  ~/~/ Same as AT+DTRI=aa,bb**
821 821  )))
822 822  
848 +
823 823  ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ====
824 824  
825 825  Set DI1 or DI3(for LT-33222-L) trigger.
... ... @@ -846,6 +846,7 @@
846 846  **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
847 847  )))
848 848  
875 +
849 849  ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ====
850 850  
851 851  Set DI2 trigger.
... ... @@ -872,6 +872,7 @@
872 872  **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)**
873 873  )))
874 874  
902 +
875 875  ==== 3.4.2.9 Trigger – Set AC (current) as trigger ====
876 876  
877 877  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]]
... ... @@ -890,6 +890,7 @@
890 890  **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]]**
891 891  )))
892 892  
921 +
893 893  ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ====
894 894  
895 895  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]]
... ... @@ -908,6 +908,7 @@
908 908  **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]] **
909 909  )))
910 910  
940 +
911 911  ==== 3.4.2.11 Trigger – Set minimum interval ====
912 912  
913 913  Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger.
... ... @@ -926,6 +926,7 @@
926 926  **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb)   . Unit (min)**
927 927  )))
928 928  
959 +
929 929  ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ====
930 930  
931 931  * AT Command:
... ... @@ -1116,6 +1116,7 @@
1116 1116  **0xA5 aa bb cc   ~/~/ Same as AT+VOLMAX=(aa bb),cc**
1117 1117  )))
1118 1118  
1150 +
1119 1119  ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ====
1120 1120  
1121 1121  * AT Command:
... ... @@ -1140,6 +1140,7 @@
1140 1140  **0x A8 aa bb cc dd ee     ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)**
1141 1141  )))
1142 1142  
1175 +
1143 1143  ==== 3.4.2.18 Counting ~-~- Clear Counting ====
1144 1144  
1145 1145  Clear counting for counting mode
... ... @@ -1158,6 +1158,7 @@
1158 1158  **0x A6 01     ~/~/ clear all counting,**
1159 1159  )))
1160 1160  
1194 +
1161 1161  ==== 3.4.2.19 Counting ~-~- Change counting mode save time ====
1162 1162  
1163 1163  * AT Command:
... ... @@ -1176,6 +1176,8 @@
1176 1176  
1177 1177  (((
1178 1178  range: aa bb cc:0 to 16777215,  (unit:second)
1213 +
1214 +
1179 1179  )))
1180 1180  
1181 1181  == 3.5 Integrate with Mydevice ==
... ... @@ -1204,6 +1204,7 @@
1204 1204  
1205 1205  [[image:1653356838789-523.png||height="337" width="740"]]
1206 1206  
1243 +
1207 1207  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
1208 1208  
1209 1209  [[image:image-20220524094909-1.png||height="335" width="729"]]
... ... @@ -1216,6 +1216,7 @@
1216 1216  
1217 1217  [[image:image-20220524094909-5.png||height="341" width="734"]]
1218 1218  
1256 +
1219 1219  == 3.6 Interface Detail ==
1220 1220  
1221 1221  === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) ===
... ... @@ -1224,6 +1224,7 @@
1224 1224  
1225 1225  [[image:1653356991268-289.png]]
1226 1226  
1265 +
1227 1227  === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) ===
1228 1228  
1229 1229  (((
... ... @@ -1239,51 +1239,105 @@
1239 1239  [[image:1653357170703-587.png]]
1240 1240  
1241 1241  (((
1281 +(((
1242 1242  When use need to connect a device to the DI port, both DI1+ and DI1- must be connected.
1243 1243  )))
1284 +)))
1244 1244  
1286 +(((
1287 +
1288 +)))
1245 1245  
1290 +(((
1246 1246  **Example1**: Connect to a Low active sensor.
1292 +)))
1247 1247  
1294 +(((
1248 1248  This type of sensor will output a low signal GND when active.
1296 +)))
1249 1249  
1250 -* Connect sensor’s output to DI1-
1251 -* Connect sensor’s VCC to DI1+.
1298 +* (((
1299 +Connect sensor’s output to DI1-
1300 +)))
1301 +* (((
1302 +Connect sensor’s VCC to DI1+.
1303 +)))
1252 1252  
1253 -So when sensor active, the current between NEC2501 pin1 and pin2 is： ​​
1305 +(((
1306 +So when sensor active, the current between NEC2501 pin1 and pin2 is：
1307 +)))
1254 1254  
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.**
1309 +(((
1310 +[[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.**
1311 +)))
1256 1256  
1313 +(((
1257 1257  If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal.
1315 +)))
1258 1258  
1317 +(((
1318 +
1319 +)))
1259 1259  
1321 +(((
1260 1260  **Example2**: Connect to a High active sensor.
1323 +)))
1261 1261  
1325 +(((
1262 1262  This type of sensor will output a high signal (example 24v) when active.
1327 +)))
1263 1263  
1264 -* Connect sensor’s output to DI1+
1265 -* Connect sensor’s GND DI1-.
1329 +* (((
1330 +Connect sensor’s output to DI1+
1331 +)))
1332 +* (((
1333 +Connect sensor’s GND DI1-.
1334 +)))
1266 1266  
1336 +(((
1267 1267  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1338 +)))
1268 1268  
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.**
1340 +(((
1341 +[[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.**
1342 +)))
1270 1270  
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.
1344 +(((
1345 +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.
1346 +)))
1272 1272  
1348 +(((
1349 +
1350 +)))
1273 1273  
1352 +(((
1274 1274  **Example3**: Connect to a 220v high active sensor.
1354 +)))
1275 1275  
1356 +(((
1276 1276  Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler  
1358 +)))
1277 1277  
1278 -* Connect sensor’s output to DI1+ with a serial 50K resistor
1279 -* Connect sensor’s GND DI1-.
1360 +* (((
1361 +Connect sensor’s output to DI1+ with a serial 50K resistor
1362 +)))
1363 +* (((
1364 +Connect sensor’s GND DI1-.
1365 +)))
1280 1280  
1367 +(((
1281 1281  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1369 +)))
1282 1282  
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.**
1371 +(((
1372 + [[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.**
1373 +)))
1284 1284  
1375 +(((
1285 1285  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.
1377 +)))
1286 1286  
1379 +
1287 1287  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1288 1288  
1289 1289  NPN output: GND or Float. Max voltage can apply to output pin is 36v.
... ... @@ -1290,6 +1290,7 @@
1290 1290  
1291 1291  [[image:1653357531600-905.png]]
1292 1292  
1386 +
1293 1293  === 3.6.4 Analog Input Interface ===
1294 1294  
1295 1295  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:
... ... @@ -1317,6 +1317,7 @@
1317 1317  
1318 1318  [[image:1653357648330-671.png||height="155" width="733"]]
1319 1319  
1414 +
1320 1320  === 3.6.5 Relay Output ===
1321 1321  
1322 1322  (((
... ... @@ -1327,10 +1327,12 @@
1327 1327  
1328 1328  [[image:image-20220524100215-10.png||height="382" width="723"]]
1329 1329  
1425 +
1330 1330  == 3.7 LEDs Indicators ==
1331 1331  
1332 1332  [[image:image-20220524100748-11.png]]
1333 1333  
1430 +
1334 1334  = 4. Use AT Command =
1335 1335  
1336 1336  == 4.1 Access AT Command ==
... ... @@ -1531,6 +1531,8 @@
1531 1531  
1532 1532  (((
1533 1533  AT+CFG: Print all settings
1631 +
1632 +
1534 1534  )))
1535 1535  
1536 1536  == 4.2 Common AT Command Sequence ==
... ... @@ -1572,6 +1572,8 @@
1572 1572  
1573 1573  (((
1574 1574  (% style="background-color:#dcdcdc" %)ATZ
1674 +
1675 +
1575 1575  )))
1576 1576  
1577 1577  === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
... ... @@ -1653,6 +1653,7 @@
1653 1653  (% style="background-color:#dcdcdc" %)AT+CLASS=A
1654 1654  ATZ
1655 1655  
1757 +
1656 1656  = 5. FAQ =
1657 1657  
1658 1658  == 5.1 How to upgrade the image? ==
... ... @@ -1683,6 +1683,7 @@
1683 1683  
1684 1684  [[image:1653360054704-518.png||height="186" width="745"]]
1685 1685  
1788 +
1686 1686  (((
1687 1687  (((
1688 1688  == 5.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1691,6 +1691,8 @@
1691 1691  
1692 1692  (((
1693 1693  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 +
1694 1694  )))
1695 1695  
1696 1696  (((
... ... @@ -1744,10 +1744,13 @@
1744 1744  
1745 1745  [[image:1653360498588-932.png||height="485" width="726"]]
1746 1746  
1852 +
1747 1747  == 5.4 Can I see counting event in Serial? ==
1748 1748  
1749 1749  (((
1750 1750  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 +
1751 1751  )))
1752 1752  
1753 1753  (((
... ... @@ -1761,10 +1761,8 @@
1761 1761  )))
1762 1762  
1763 1763  (((
1764 -Please see this link for how to debug:
1872 +Please see this link for how to debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]
1765 1765  
1766 -[[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]]
1767 -
1768 1768  
1769 1769  )))
1770 1770  
... ... @@ -1773,9 +1773,7 @@
1773 1773  )))
1774 1774  
1775 1775  (((
1776 -See this link for trouble shooting:
1777 -
1778 -[[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/]]
1882 +See this link for trouble shooting: [[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
1779 1779  )))
1780 1780  
1781 1781  (((
... ... @@ -1787,9 +1787,7 @@
1787 1787  )))
1788 1788  
1789 1789  (((
1790 -It might be about the channels mapping. Please see this link for detail:
1791 -
1792 -[[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]]
1894 +It might be about the channels mapping. [[Please see this link for detail>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1793 1793  )))
1794 1794  
1795 1795  (((
... ... @@ -1863,6 +1863,8 @@
1863 1863  (((
1864 1864  * (((
1865 1865  (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779
1968 +
1969 +
1866 1866  )))
1867 1867  
1868 1868  = 8. Packing Info =
... ... @@ -1895,6 +1895,8 @@
1895 1895  * Device Weight: 105g
1896 1896  * Package Size / pcs : 14.5 x 8 x 5 cm
1897 1897  * Weight / pcs : 170g
2002 +
2003 +
1898 1898  )))
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