Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 58.1 >
edited by Xiaoling
on 2022/05/24 10:24
To version < 55.2 >
edited by Xiaoling
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... ... @@ -1116,9 +1116,9 @@
1116 1116  
1117 1117  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1118 1118  
1119 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1119 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**
1120 1120  
1121 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.
1121 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.
1122 1122  
1123 1123  
1124 1124  **Example3**: Connect to a 220v high active sensor.
... ... @@ -1130,9 +1130,9 @@
1130 1130  
1131 1131  So when sensor active, the current between NEC2501 pin1 and pin2 is:
1132 1132  
1133 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/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.**
1133 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**
1134 1134  
1135 -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.
1135 +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.
1136 1136  
1137 1137  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1138 1138  
... ... @@ -1173,10 +1173,12 @@
1173 1173  The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1174 1174  )))
1175 1175  
1176 +
1176 1176  [[image:image-20220524100215-9.png]]
1177 1177  
1178 1178  [[image:image-20220524100215-10.png||height="382" width="723"]]
1179 1179  
1181 +
1180 1180  == 3.7 LEDs Indicators ==
1181 1181  
1182 1182  [[image:image-20220524100748-11.png]]
... ... @@ -1187,255 +1187,169 @@
1187 1187  
1188 1188  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1189 1189  
1190 -[[image:1653358238933-385.png]]
1192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1191 1191  
1192 -In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below:
1193 1193  
1194 -[[image:1653358355238-883.png]]
1195 +In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:**123456**) to active it. As shown below:
1195 1195  
1197 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1198 +
1199 +
1196 1196  More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1197 1197  
1198 -(((
1199 1199  AT+<CMD>?        : Help on <CMD>
1200 -)))
1201 1201  
1202 -(((
1203 1203  AT+<CMD>         : Run <CMD>
1204 -)))
1205 1205  
1206 -(((
1207 1207  AT+<CMD>=<value> : Set the value
1208 -)))
1209 1209  
1210 -(((
1211 1211  AT+<CMD>=?       : Get the value
1212 -)))
1213 1213  
1214 -(((
1215 1215  ATZ: Trig a reset of the MCU
1216 -)))
1217 1217  
1218 -(((
1219 1219  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1220 -)))
1221 1221  
1222 -(((
1223 1223  AT+DEUI: Get or Set the Device EUI
1224 -)))
1225 1225  
1226 -(((
1227 1227  AT+DADDR: Get or Set the Device Address
1228 -)))
1229 1229  
1230 -(((
1231 1231  AT+APPKEY: Get or Set the Application Key
1232 -)))
1233 1233  
1234 -(((
1235 1235  AT+NWKSKEY: Get or Set the Network Session Key
1236 -)))
1237 1237  
1238 -(((
1239 1239  AT+APPSKEY: Get or Set the Application Session Key
1240 -)))
1241 1241  
1242 -(((
1243 1243  AT+APPEUI: Get or Set the Application EUI
1244 -)))
1245 1245  
1246 -(((
1247 1247  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1248 -)))
1249 1249  
1250 -(((
1251 1251  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1252 -)))
1253 1253  
1254 -(((
1255 1255  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1256 -)))
1257 1257  
1258 -(((
1259 1259  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1260 -)))
1261 1261  
1262 -(((
1263 1263  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1264 -)))
1265 1265  
1266 -(((
1267 1267  AT+RX2FQ: Get or Set the Rx2 window frequency
1268 -)))
1269 1269  
1270 -(((
1271 1271  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1272 -)))
1273 1273  
1274 -(((
1275 1275  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1276 -)))
1277 1277  
1278 -(((
1279 1279  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1280 -)))
1281 1281  
1282 -(((
1283 1283  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1284 -)))
1285 1285  
1286 -(((
1287 1287  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1288 -)))
1289 1289  
1290 -(((
1291 1291  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1292 -)))
1293 1293  
1294 -(((
1295 1295  AT+NWKID: Get or Set the Network ID
1296 -)))
1297 1297  
1298 -(((
1299 1299  AT+FCU: Get or Set the Frame Counter Uplink
1300 -)))
1301 1301  
1302 -(((
1303 1303  AT+FCD: Get or Set the Frame Counter Downlink
1304 -)))
1305 1305  
1306 -(((
1307 1307  AT+CLASS: Get or Set the Device Class
1308 -)))
1309 1309  
1310 -(((
1311 1311  AT+JOIN: Join network
1312 -)))
1313 1313  
1314 -(((
1315 1315  AT+NJS: Get OTAA Join Status
1316 -)))
1317 1317  
1318 -(((
1319 1319  AT+SENDB: Send hexadecimal data along with the application port
1320 -)))
1321 1321  
1322 -(((
1323 1323  AT+SEND: Send text data along with the application port
1324 -)))
1325 1325  
1326 -(((
1327 1327  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1328 -)))
1329 1329  
1330 -(((
1331 1331  AT+RECV: Print last received data in raw format
1332 -)))
1333 1333  
1334 -(((
1335 1335  AT+VER: Get current image version and Frequency Band
1336 -)))
1337 1337  
1338 -(((
1339 1339  AT+CFM: Get or Set the confirmation mode (0-1)
1340 -)))
1341 1341  
1342 -(((
1343 1343  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1344 -)))
1345 1345  
1346 -(((
1347 1347  AT+SNR: Get the SNR of the last received packet
1348 -)))
1349 1349  
1350 -(((
1351 1351  AT+RSSI: Get the RSSI of the last received packet
1352 -)))
1353 1353  
1354 -(((
1355 1355  AT+TDC: Get or set the application data transmission interval in ms
1356 -)))
1357 1357  
1358 -(((
1359 1359  AT+PORT: Get or set the application port
1360 -)))
1361 1361  
1362 -(((
1363 1363  AT+DISAT: Disable AT commands
1364 -)))
1365 1365  
1366 -(((
1367 1367  AT+PWORD: Set password, max 9 digits
1368 -)))
1369 1369  
1370 -(((
1371 1371  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1372 -)))
1373 1373  
1374 -(((
1375 1375  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1376 -)))
1377 1377  
1378 -(((
1379 1379  AT+CFG: Print all settings
1380 -)))
1381 1381  
1382 -== 4.2 Common AT Command Sequence ==
1383 1383  
1384 -=== 4.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1385 1385  
1296 +1.
1297 +11. Common AT Command Sequence
1298 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1299 +
1386 1386  If device has not joined network yet:
1387 1387  
1388 -(% style="background-color:#dcdcdc" %)123456
1302 +123456
1389 1389  
1390 -(% style="background-color:#dcdcdc" %)AT+FDR
1304 +AT+FDR
1391 1391  
1392 -(% style="background-color:#dcdcdc" %)123456
1306 +123456
1393 1393  
1394 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1308 +AT+NJM=0
1395 1395  
1396 -(% style="background-color:#dcdcdc" %)ATZ
1310 +ATZ
1397 1397  
1398 1398  
1399 1399  If device already joined network:
1400 1400  
1401 -(% style="background-color:#dcdcdc" %)AT+NJM=0
1315 +AT+NJM=0
1402 1402  
1403 -(% style="background-color:#dcdcdc" %)ATZ
1317 +ATZ
1404 1404  
1405 -=== 4.2.2 Single-channel ABP mode (Use with LG01/LG02) ===
1319 +1.
1320 +11.
1321 +111. Single-channel ABP mode (Use with LG01/LG02)
1406 1406  
1407 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1323 +123456   Enter Password to have AT access.
1408 1408  
1409 -(% style="background-color:#dcdcdc" %) AT+FDR(%%)   Reset Parameters to Factory Default, Keys Reserve
1325 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1410 1410  
1411 -(% style="background-color:#dcdcdc" %) 123456(%%)   Enter Password to have AT access.
1327 +123456   Enter Password to have AT access.
1412 1412  
1413 -(% style="background-color:#dcdcdc" %) AT+CLASS=C(%%) Set to work in CLASS C
1329 +AT+CLASS=C Set to work in CLASS C
1414 1414  
1415 -(% style="background-color:#dcdcdc" %) AT+NJM=0(%%) Set to ABP mode
1331 +AT+NJM=0 Set to ABP mode
1416 1416  
1417 -(% style="background-color:#dcdcdc" %) AT+ADR=0(%%) Set the Adaptive Data Rate Off
1333 +AT+ADR=0 Set the Adaptive Data Rate Off
1418 1418  
1419 -(% style="background-color:#dcdcdc" %) AT+DR=5(%%)  Set Data Rate
1335 +AT+DR=5  Set Data Rate
1420 1420  
1421 -(% style="background-color:#dcdcdc" %) AT+TDC=60000(%%)  Set transmit interval to 60 seconds
1337 +AT+TDC=60000  Set transmit interval to 60 seconds
1422 1422  
1423 -(% style="background-color:#dcdcdc" %) AT+CHS=868400000(%%) Set transmit frequency to 868.4Mhz
1339 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1424 1424  
1425 -(% style="background-color:#dcdcdc" %) AT+RX2FQ=868400000(%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1341 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1426 1426  
1427 -(% style="background-color:#dcdcdc" %) AT+RX2DR=5(%%)  Set RX2DR to match the downlink DR from server. see below
1343 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1428 1428  
1429 -(% style="background-color:#dcdcdc" %) AT+DADDR=26 01 1A F1 (%%)Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1345 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1430 1430  
1431 -(% style="background-color:#dcdcdc" %) ATZ         (%%) Reset MCU
1347 +ATZ          Reset MCU
1432 1432  
1433 -(% style="color:red" %)**Note:**
1349 +**Note:**
1434 1434  
1435 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1436 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1437 -3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1438 -4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1351 +1. Make sure the device is set to ABP mode in the IoT Server.
1352 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1353 +1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1354 +1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1439 1439  
1440 1440  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]]
1441 1441  
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