Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Mengting Qiu on 2025/06/04 18:42
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... ... @@ -11,15 +11,12 @@ 11 11 12 12 13 13 14 - 15 - 16 - 17 17 = 1.Introduction = 18 18 19 19 == 1.1 What is LT Series I/O Controller == 20 20 21 21 ((( 22 -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. 23 23 ))) 24 24 25 25 ((( ... ... @@ -27,7 +27,7 @@ 27 27 ))) 28 28 29 29 ((( 30 -The LT I/O Controllers is aiming to provide a n (%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. 31 31 ))) 32 32 33 33 ((( ... ... @@ -51,8 +51,6 @@ 51 51 == 1.2 Specifications == 52 52 53 53 ((( 54 - 55 - 56 56 **Hardware System:** 57 57 ))) 58 58 ... ... @@ -75,7 +75,6 @@ 75 75 ))) 76 76 ))) 77 77 78 - 79 79 ((( 80 80 **Interface for Model: LT22222-L:** 81 81 ))) ... ... @@ -99,7 +99,6 @@ 99 99 Power Input 7~~ 24V DC. 100 100 ))) 101 101 102 - 103 103 ((( 104 104 **LoRa Spec:** 105 105 ))) ... ... @@ -164,8 +164,6 @@ 164 164 165 165 ))) 166 166 167 - 168 - 169 169 == 1.3 Features == 170 170 171 171 * LoRaWAN Class A & Class C protocol ... ... @@ -177,7 +177,6 @@ 177 177 * Counting 178 178 179 179 180 - 181 181 == 1.4 Applications == 182 182 183 183 * Smart Buildings & Home Automation ... ... @@ -188,7 +188,6 @@ 188 188 * Smart Factory 189 189 190 190 191 - 192 192 == 1.5 Hardware Variants == 193 193 194 194 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -215,7 +215,6 @@ 215 215 [[image:1653297104069-180.png]] 216 216 217 217 218 - 219 219 = 3. Operation Mode = 220 220 221 221 == 3.1 How it works? == ... ... @@ -230,8 +230,6 @@ 230 230 231 231 ))) 232 232 233 - 234 - 235 235 == 3.2 Example to join LoRaWAN network == 236 236 237 237 ((( ... ... @@ -273,7 +273,6 @@ 273 273 [[image:1653298044601-602.png||height="405" width="709"]] 274 274 275 275 276 - 277 277 == 3.3 Uplink Payload == 278 278 279 279 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -286,7 +286,6 @@ 286 286 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 287 287 288 288 289 - 290 290 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 291 291 292 292 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -322,7 +322,6 @@ 322 322 * [1] RO1 relay channel is close and the RO1 LED is ON. 323 323 * [0] RO2 relay channel is open and RO2 LED is OFF; 324 324 325 - 326 326 **LT22222-L:** 327 327 328 328 * [1] DI2 channel is high input and DI2 LED is ON; ... ... @@ -338,8 +338,6 @@ 338 338 ** DO1 is high in case there is load between DO1 and V+. 339 339 ** DO1 LED is off in both case 340 340 341 - 342 - 343 343 === 3.3.2 AT+MOD~=2, (Double DI Counting) === 344 344 345 345 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. ... ... @@ -432,8 +432,6 @@ 432 432 ))) 433 433 ))) 434 434 435 - 436 - 437 437 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 438 438 439 439 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -474,8 +474,6 @@ 474 474 475 475 ((( 476 476 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 477 - 478 - 479 479 ))) 480 480 481 481 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === ... ... @@ -558,7 +558,6 @@ 558 558 ))) 559 559 ))) 560 560 561 - 562 562 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 563 563 564 564 **LT22222-L**: This mode the DI1 is used as a counting pin. ... ... @@ -599,8 +599,6 @@ 599 599 600 600 ((( 601 601 Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 602 - 603 - 604 604 ))) 605 605 606 606 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === ... ... @@ -629,7 +629,6 @@ 629 629 630 630 AT+AVLIM=5000,0,0,0 (If AVI1 voltage lower than 5V , trigger uplink, 0 means ignore) 631 631 632 - 633 633 (% style="color:#4f81bd" %)**Trigger base on current**: 634 634 635 635 Format: AT+ACLIM=<AC1_LIMIT_LOW>,< AC1_LIMIT_HIGH>,<AC2_LIMIT_LOW>,< AC2_LIMIT_HIGH> ... ... @@ -638,7 +638,6 @@ 638 638 639 639 AT+ACLIM=10000,15000,0,0 (If ACI1 voltage lower than 10mA or higher than 15mA, trigger an uplink) 640 640 641 - 642 642 (% style="color:#4f81bd" %)**Trigger base on DI status**: 643 643 644 644 DI status trigger Flag. ... ... @@ -725,13 +725,10 @@ 725 725 726 726 When device got this command, it will send the MOD6 payload. 727 727 728 - 729 729 === 3.3.7 Payload Decoder === 730 730 731 731 ((( 732 732 **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/]] 733 - 734 - 735 735 ))) 736 736 737 737 == 3.4 Configure LT via AT or Downlink == ... ... @@ -742,7 +742,7 @@ 742 742 There are two kinds of Commands: 743 743 ))) 744 744 745 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commandsand Downlink Command>>doc:Main.End.WebHome]]714 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands 746 746 747 747 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L. User can see these commands below: 748 748 ... ... @@ -750,7 +750,6 @@ 750 750 751 751 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]] 752 752 753 - 754 754 === 3.4.2 Sensor related commands === 755 755 756 756 ==== 3.4.2.1 Set Transmit Interval ==== ... ... @@ -773,7 +773,6 @@ 773 773 **0x01 aa bb cc ~/~/ Same as AT+TDC=0x(aa bb cc)** 774 774 ))) 775 775 776 - 777 777 ==== 3.4.2.2 Set Work Mode (AT+MOD) ==== 778 778 779 779 Set work mode. ... ... @@ -794,7 +794,6 @@ 794 794 **0x0A aa ~/~/ Same as AT+MOD=aa** 795 795 ))) 796 796 797 - 798 798 ==== 3.4.2.3 Poll an uplink ==== 799 799 800 800 * AT Command: ... ... @@ -810,10 +810,9 @@ 810 810 811 811 **Example**: 0x08FF, ask device to send an Uplink 812 812 813 - 814 814 ==== 3.4.2.4 Enable Trigger Mode ==== 815 815 816 -Use of trigger mode, please check [[ADDMOD6>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]781 +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]] 817 817 818 818 * AT Command: 819 819 ... ... @@ -833,7 +833,6 @@ 833 833 **0x0A 06 aa ~/~/ Same as AT+ADDMOD6=aa,** 834 834 ))) 835 835 836 - 837 837 ==== 3.4.2.5 Poll trigger settings ==== 838 838 839 839 Poll trigger settings, ... ... @@ -849,7 +849,6 @@ 849 849 **0xAB 06 ~/~/ Poll trigger settings, device will uplink trigger settings once receive this command** 850 850 ))) 851 851 852 - 853 853 ==== 3.4.2.6 Enable / Disable DI1/DI2/DI3 as trigger ==== 854 854 855 855 Enable Disable DI1/DI2/DI2 as trigger, ... ... @@ -872,7 +872,6 @@ 872 872 **0xAA 02 aa bb ~/~/ Same as AT+DTRI=aa,bb** 873 873 ))) 874 874 875 - 876 876 ==== 3.4.2.7 Trigger1 – Set DI1 or DI3 as trigger ==== 877 877 878 878 Set DI1 or DI3(for LT-33222-L) trigger. ... ... @@ -899,7 +899,6 @@ 899 899 **0x09 01 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 900 900 ))) 901 901 902 - 903 903 ==== 3.4.2.8 Trigger2 – Set DI2 as trigger ==== 904 904 905 905 Set DI2 trigger. ... ... @@ -926,10 +926,9 @@ 926 926 **0x09 02 aa bb cc ~/~/ same as AT+TRIG1=aa,0x(bb cc)** 927 927 ))) 928 928 929 - 930 930 ==== 3.4.2.9 Trigger – Set AC (current) as trigger ==== 931 931 932 -Set current trigger , base on AC port. See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]892 +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]] 933 933 934 934 * AT Command: 935 935 ... ... @@ -942,19 +942,18 @@ 942 942 943 943 (% class="box infomessage" %) 944 944 ((( 945 -**0x AA 01 aa bb cc dd ee ff gg hh ~/~/ same as AT+ACLIM See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**905 +**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]]** 946 946 ))) 947 947 948 - 949 949 ==== 3.4.2.10 Trigger – Set AV (voltage) as trigger ==== 950 950 951 -Set current trigger , base on AV port. See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]910 +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]] 952 952 953 953 * AT Command: 954 954 955 955 (% class="box infomessage" %) 956 956 ((( 957 -**AT+AVLIM. See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]]**916 +**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]]** 958 958 ))) 959 959 960 960 * Downlink Payload (prefix 0xAA 00 ): ... ... @@ -961,10 +961,9 @@ 961 961 962 962 (% class="box infomessage" %) 963 963 ((( 964 -**0x AA 00 aa bb cc dd ee ff gg hh ~/~/ same as AT+AVLIM See [[trigger mode>> ||anchor="H3.3.6AT2BADDMOD3D6.28TriggerMode2COptional29"]] **923 +**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]] ** 965 965 ))) 966 966 967 - 968 968 ==== 3.4.2.11 Trigger – Set minimum interval ==== 969 969 970 970 Set AV and AC trigger minimum interval, system won’t response to the second trigger within this set time after the first trigger. ... ... @@ -983,7 +983,6 @@ 983 983 **0x AC aa bb ~/~/ same as AT+ATDC=0x(aa bb) . Unit (min)** 984 984 ))) 985 985 986 - 987 987 ==== 3.4.2.12 DO ~-~- Control Digital Output DO1/DO2/DO3 ==== 988 988 989 989 * AT Command: ... ... @@ -1158,13 +1158,13 @@ 1158 1158 1159 1159 ==== 3.4.2.16 Counting ~-~- Voltage threshold counting ==== 1160 1160 1161 -When voltage exceed the threshold, count. Feature see [[MOD4>> ||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]1118 +When voltage exceed the threshold, count. Feature see [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]] 1162 1162 1163 1163 * AT Command: 1164 1164 1165 1165 (% class="box infomessage" %) 1166 1166 ((( 1167 -**AT+VOLMAX ~/~/ See [[MOD4>> ||anchor="H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting"]]**1124 +**AT+VOLMAX ~/~/ See [[MOD4>>path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.4AT2BMOD3D42CSingleDICounting2B1xVoltageCounting]]** 1168 1168 ))) 1169 1169 1170 1170 * Downlink Payload (prefix 0xA5): ... ... @@ -1174,7 +1174,6 @@ 1174 1174 **0xA5 aa bb cc ~/~/ Same as AT+VOLMAX=(aa bb),cc** 1175 1175 ))) 1176 1176 1177 - 1178 1178 ==== 3.4.2.17 Counting ~-~- Pre-configure the Count Number ==== 1179 1179 1180 1180 * AT Command: ... ... @@ -1199,7 +1199,6 @@ 1199 1199 **0x A8 aa bb cc dd ee ~/~/ same as AT+SETCNT=aa,(bb cc dd ee)** 1200 1200 ))) 1201 1201 1202 - 1203 1203 ==== 3.4.2.18 Counting ~-~- Clear Counting ==== 1204 1204 1205 1205 Clear counting for counting mode ... ... @@ -1218,7 +1218,6 @@ 1218 1218 **0x A6 01 ~/~/ clear all counting,** 1219 1219 ))) 1220 1220 1221 - 1222 1222 ==== 3.4.2.19 Counting ~-~- Change counting mode save time ==== 1223 1223 1224 1224 * AT Command: ... ... @@ -1237,8 +1237,6 @@ 1237 1237 1238 1238 ((( 1239 1239 range: aa bb cc:0 to 16777215, (unit:second) 1240 - 1241 - 1242 1242 ))) 1243 1243 1244 1244 == 3.5 Integrate with Mydevice == ... ... @@ -1259,7 +1259,6 @@ 1259 1259 1260 1260 [[image:image-20220524094641-12.png||height="402" width="718"]] 1261 1261 1262 - 1263 1263 **Step 3**: Create an account or log in Mydevices. 1264 1264 1265 1265 **Step 4**: Search LT-22222-L(for both LT-22222-L / LT-33222-L) and add DevEUI.(% style="display:none" %) ... ... @@ -1268,7 +1268,6 @@ 1268 1268 1269 1269 [[image:1653356838789-523.png||height="337" width="740"]] 1270 1270 1271 - 1272 1272 After added, the sensor data arrive TTN, it will also arrive and show in Mydevices. 1273 1273 1274 1274 [[image:image-20220524094909-1.png||height="335" width="729"]] ... ... @@ -1281,7 +1281,6 @@ 1281 1281 1282 1282 [[image:image-20220524094909-5.png||height="341" width="734"]] 1283 1283 1284 - 1285 1285 == 3.6 Interface Detail == 1286 1286 1287 1287 === 3.6.1 Digital Input Port: DI1/DI2 /DI3 ( For LT-33222-L, low active ) === ... ... @@ -1290,7 +1290,6 @@ 1290 1290 1291 1291 [[image:1653356991268-289.png]] 1292 1292 1293 - 1294 1294 === 3.6.2 Digital Input Port: DI1/DI2 ( For LT-22222-L) === 1295 1295 1296 1296 ((( ... ... @@ -1306,105 +1306,51 @@ 1306 1306 [[image:1653357170703-587.png]] 1307 1307 1308 1308 ((( 1309 -((( 1310 1310 When use need to connect a device to the DI port, both DI1+ and DI1- must be connected. 1311 1311 ))) 1312 -))) 1313 1313 1314 -((( 1315 - 1316 -))) 1317 1317 1318 -((( 1319 1319 **Example1**: Connect to a Low active sensor. 1320 -))) 1321 1321 1322 -((( 1323 1323 This type of sensor will output a low signal GND when active. 1324 -))) 1325 1325 1326 -* ((( 1327 -Connect sensor’s output to DI1- 1328 -))) 1329 -* ((( 1330 -Connect sensor’s VCC to DI1+. 1331 -))) 1265 +* Connect sensor’s output to DI1- 1266 +* Connect sensor’s VCC to DI1+. 1332 1332 1333 -((( 1334 -So when sensor active, the current between NEC2501 pin1 and pin2 is: 1335 -))) 1268 +So when sensor active, the current between NEC2501 pin1 and pin2 is: 1336 1336 1337 -((( 1338 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.** 1339 -))) 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.** 1340 1340 1341 -((( 1342 -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. 1343 -))) 1272 +If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal. 1344 1344 1345 -((( 1346 - 1347 -))) 1348 1348 1349 -((( 1350 1350 **Example2**: Connect to a High active sensor. 1351 -))) 1352 1352 1353 -((( 1354 1354 This type of sensor will output a high signal (example 24v) when active. 1355 -))) 1356 1356 1357 -* ((( 1358 -Connect sensor’s output to DI1+ 1359 -))) 1360 -* ((( 1361 -Connect sensor’s GND DI1-. 1362 -))) 1279 +* Connect sensor’s output to DI1+ 1280 +* Connect sensor’s GND DI1-. 1363 1363 1364 -((( 1365 1365 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1366 -))) 1367 1367 1368 -((( 1369 -[[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 1K.** 1370 -))) 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.** 1371 1371 1372 -((( 1373 -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. 1374 -))) 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. 1375 1375 1376 -((( 1377 - 1378 -))) 1379 1379 1380 -((( 1381 1381 **Example3**: Connect to a 220v high active sensor. 1382 -))) 1383 1383 1384 -((( 1385 1385 Assume user want to monitor an active signal higher than 220v, to make sure not burn the photocoupler 1386 -))) 1387 1387 1388 -* ((( 1389 -Connect sensor’s output to DI1+ with a serial 50K resistor 1390 -))) 1391 -* ((( 1392 -Connect sensor’s GND DI1-. 1393 -))) 1293 +* Connect sensor’s output to DI1+ with a serial 50K resistor 1294 +* Connect sensor’s GND DI1-. 1394 1394 1395 -((( 1396 1396 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1397 -))) 1398 1398 1399 -((( 1400 - [[image:1653968155772-850.png||height="23" width="19"]]**= DI1+ / 51K.** 1401 -))) 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.** 1402 1402 1403 -((( 1404 -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. 1405 -))) 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. 1406 1406 1407 - 1408 1408 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1409 1409 1410 1410 NPN output: GND or Float. Max voltage can apply to output pin is 36v. ... ... @@ -1411,7 +1411,6 @@ 1411 1411 1412 1412 [[image:1653357531600-905.png]] 1413 1413 1414 - 1415 1415 === 3.6.4 Analog Input Interface === 1416 1416 1417 1417 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: ... ... @@ -1439,7 +1439,6 @@ 1439 1439 1440 1440 [[image:1653357648330-671.png||height="155" width="733"]] 1441 1441 1442 - 1443 1443 === 3.6.5 Relay Output === 1444 1444 1445 1445 ((( ... ... @@ -1450,12 +1450,10 @@ 1450 1450 1451 1451 [[image:image-20220524100215-10.png||height="382" width="723"]] 1452 1452 1453 - 1454 1454 == 3.7 LEDs Indicators == 1455 1455 1456 1456 [[image:image-20220524100748-11.png]] 1457 1457 1458 - 1459 1459 = 4. Use AT Command = 1460 1460 1461 1461 == 4.1 Access AT Command == ... ... @@ -1656,8 +1656,6 @@ 1656 1656 1657 1657 ((( 1658 1658 AT+CFG: Print all settings 1659 - 1660 - 1661 1661 ))) 1662 1662 1663 1663 == 4.2 Common AT Command Sequence == ... ... @@ -1699,8 +1699,6 @@ 1699 1699 1700 1700 ((( 1701 1701 (% style="background-color:#dcdcdc" %)ATZ 1702 - 1703 - 1704 1704 ))) 1705 1705 1706 1706 === 4.2.2 Single-channel ABP mode (Use with LG01/LG02) === ... ... @@ -1782,7 +1782,6 @@ 1782 1782 (% style="background-color:#dcdcdc" %)AT+CLASS=A 1783 1783 ATZ 1784 1784 1785 - 1786 1786 = 5. FAQ = 1787 1787 1788 1788 == 5.1 How to upgrade the image? == ... ... @@ -1813,7 +1813,6 @@ 1813 1813 1814 1814 [[image:1653360054704-518.png||height="186" width="745"]] 1815 1815 1816 - 1817 1817 ((( 1818 1818 ((( 1819 1819 == 5.2 How to change the LoRa Frequency Bands/Region? == ... ... @@ -1822,8 +1822,6 @@ 1822 1822 1823 1823 ((( 1824 1824 User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1825 - 1826 - 1827 1827 ))) 1828 1828 1829 1829 ((( ... ... @@ -1877,18 +1877,10 @@ 1877 1877 1878 1878 [[image:1653360498588-932.png||height="485" width="726"]] 1879 1879 1880 - 1881 1881 == 5.4 Can I see counting event in Serial? == 1882 1882 1883 1883 ((( 1884 1884 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. 1885 - 1886 - 1887 -== 5.5 Can i use point to point communication for LT-22222-L? == 1888 - 1889 -Yes, please refer [[Point to Point Communication>>doc:Main. Point to Point Communication of LT-22222-L.WebHome]] 1890 - 1891 - 1892 1892 ))) 1893 1893 1894 1894 ((( ... ... @@ -1902,8 +1902,10 @@ 1902 1902 ))) 1903 1903 1904 1904 ((( 1905 -Please see this link for how to debug: [[LoRaWANCommunication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H5.1Howitwork"]]1779 +Please see this link for how to debug: 1906 1906 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 + 1907 1907 1908 1908 ))) 1909 1909 ... ... @@ -1912,7 +1912,9 @@ 1912 1912 ))) 1913 1913 1914 1914 ((( 1915 -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/]] 1916 1916 ))) 1917 1917 1918 1918 ((( ... ... @@ -1924,7 +1924,9 @@ 1924 1924 ))) 1925 1925 1926 1926 ((( 1927 -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]] 1928 1928 ))) 1929 1929 1930 1930 ((( ... ... @@ -1998,8 +1998,6 @@ 1998 1998 ((( 1999 1999 * ((( 2000 2000 (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 2001 - 2002 - 2003 2003 ))) 2004 2004 2005 2005 = 8. Packing Info = ... ... @@ -2032,8 +2032,6 @@ 2032 2032 * Device Weight: 105g 2033 2033 * Package Size / pcs : 14.5 x 8 x 5 cm 2034 2034 * Weight / pcs : 170g 2035 - 2036 - 2037 2037 ))) 2038 2038 ))) 2039 2039 ... ... @@ -2055,8 +2055,6 @@ 2055 2055 ((( 2056 2056 ((( 2057 2057 [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]] 2058 - 2059 - 2060 2060 ))) 2061 2061 2062 2062 (((
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