Last modified by Saxer Lin on 2025/04/15 17:24
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From version < 57.1 >
edited by Xiaoling
on 2022/05/24 10:12
To version < 57.2 >
edited by Xiaoling
on 2022/05/24 10:14
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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: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:/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.**
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: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:/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.
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: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:/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.**
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  
... ... @@ -1173,12 +1173,10 @@
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 -
1177 1177  [[image:image-20220524100215-9.png]]
1178 1178  
1179 1179  [[image:image-20220524100215-10.png||height="382" width="723"]]
1180 1180  
1181 -
1182 1182  == 3.7 LEDs Indicators ==
1183 1183  
1184 1184  [[image:image-20220524100748-11.png]]
... ... @@ -1189,111 +1189,201 @@
1189 1189  
1190 1190  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.
1191 1191  
1192 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1190 +[[image:1653358238933-385.png]]
1193 1193  
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:
1194 1194  
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:
1194 +[[image:1653358355238-883.png]]
1196 1196  
1197 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1198 -
1199 -
1200 1200  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/]]
1201 1201  
1198 +(((
1202 1202  AT+<CMD>?        : Help on <CMD>
1200 +)))
1203 1203  
1202 +(((
1204 1204  AT+<CMD>         : Run <CMD>
1204 +)))
1205 1205  
1206 +(((
1206 1206  AT+<CMD>=<value> : Set the value
1208 +)))
1207 1207  
1210 +(((
1208 1208  AT+<CMD>=?       : Get the value
1212 +)))
1209 1209  
1214 +(((
1210 1210  ATZ: Trig a reset of the MCU
1216 +)))
1211 1211  
1218 +(((
1212 1212  AT+FDR: Reset Parameters to Factory Default, Keys Reserve 
1220 +)))
1213 1213  
1222 +(((
1214 1214  AT+DEUI: Get or Set the Device EUI
1224 +)))
1215 1215  
1226 +(((
1216 1216  AT+DADDR: Get or Set the Device Address
1228 +)))
1217 1217  
1230 +(((
1218 1218  AT+APPKEY: Get or Set the Application Key
1232 +)))
1219 1219  
1234 +(((
1220 1220  AT+NWKSKEY: Get or Set the Network Session Key
1236 +)))
1221 1221  
1238 +(((
1222 1222  AT+APPSKEY: Get or Set the Application Session Key
1240 +)))
1223 1223  
1242 +(((
1224 1224  AT+APPEUI: Get or Set the Application EUI
1244 +)))
1225 1225  
1246 +(((
1226 1226  AT+ADR: Get or Set the Adaptive Data Rate setting. (0: off, 1: on)
1248 +)))
1227 1227  
1250 +(((
1228 1228  AT+TXP: Get or Set the Transmit Power (0-5, MAX:0, MIN:5, according to LoRaWAN Spec)
1252 +)))
1229 1229  
1254 +(((
1230 1230  AT+DR: Get or Set the Data Rate. (0-7 corresponding to DR_X)  
1256 +)))
1231 1231  
1258 +(((
1232 1232  AT+DCS: Get or Set the ETSI Duty Cycle setting - 0=disable, 1=enable - Only for testing
1260 +)))
1233 1233  
1262 +(((
1234 1234  AT+PNM: Get or Set the public network mode. (0: off, 1: on)
1264 +)))
1235 1235  
1266 +(((
1236 1236  AT+RX2FQ: Get or Set the Rx2 window frequency
1268 +)))
1237 1237  
1270 +(((
1238 1238  AT+RX2DR: Get or Set the Rx2 window data rate (0-7 corresponding to DR_X)
1272 +)))
1239 1239  
1274 +(((
1240 1240  AT+RX1DL: Get or Set the delay between the end of the Tx and the Rx Window 1 in ms
1276 +)))
1241 1241  
1278 +(((
1242 1242  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1280 +)))
1243 1243  
1282 +(((
1244 1244  AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1284 +)))
1245 1245  
1286 +(((
1246 1246  AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1288 +)))
1247 1247  
1290 +(((
1248 1248  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1292 +)))
1249 1249  
1294 +(((
1250 1250  AT+NWKID: Get or Set the Network ID
1296 +)))
1251 1251  
1298 +(((
1252 1252  AT+FCU: Get or Set the Frame Counter Uplink
1300 +)))
1253 1253  
1302 +(((
1254 1254  AT+FCD: Get or Set the Frame Counter Downlink
1304 +)))
1255 1255  
1306 +(((
1256 1256  AT+CLASS: Get or Set the Device Class
1308 +)))
1257 1257  
1310 +(((
1258 1258  AT+JOIN: Join network
1312 +)))
1259 1259  
1314 +(((
1260 1260  AT+NJS: Get OTAA Join Status
1316 +)))
1261 1261  
1318 +(((
1262 1262  AT+SENDB: Send hexadecimal data along with the application port
1320 +)))
1263 1263  
1322 +(((
1264 1264  AT+SEND: Send text data along with the application port
1324 +)))
1265 1265  
1326 +(((
1266 1266  AT+RECVB: Print last received data in binary format (with hexadecimal values)
1328 +)))
1267 1267  
1330 +(((
1268 1268  AT+RECV: Print last received data in raw format
1332 +)))
1269 1269  
1334 +(((
1270 1270  AT+VER: Get current image version and Frequency Band
1336 +)))
1271 1271  
1338 +(((
1272 1272  AT+CFM: Get or Set the confirmation mode (0-1)
1340 +)))
1273 1273  
1342 +(((
1274 1274  AT+CFS: Get confirmation status of the last AT+SEND (0-1)
1344 +)))
1275 1275  
1346 +(((
1276 1276  AT+SNR: Get the SNR of the last received packet
1348 +)))
1277 1277  
1350 +(((
1278 1278  AT+RSSI: Get the RSSI of the last received packet
1352 +)))
1279 1279  
1354 +(((
1280 1280  AT+TDC: Get or set the application data transmission interval in ms
1356 +)))
1281 1281  
1358 +(((
1282 1282  AT+PORT: Get or set the application port
1360 +)))
1283 1283  
1362 +(((
1284 1284  AT+DISAT: Disable AT commands
1364 +)))
1285 1285  
1366 +(((
1286 1286  AT+PWORD: Set password, max 9 digits
1368 +)))
1287 1287  
1370 +(((
1288 1288  AT+CHS: Get or Set Frequency (Unit: Hz) for Single Channel Mode
1372 +)))
1289 1289  
1374 +(((
1290 1290  AT+CHE: Get or Set eight channels mode, Only for US915, AU915, CN470
1376 +)))
1291 1291  
1378 +(((
1292 1292  AT+CFG: Print all settings
1380 +)))
1293 1293  
1294 1294  
1295 1295  
1296 -1.
1384 +1.
1297 1297  11. Common AT Command Sequence
1298 1298  111. Multi-channel ABP mode (Use with SX1301/LG308)
1299 1299  
... ... @@ -1316,8 +1316,8 @@
1316 1316  
1317 1317  ATZ
1318 1318  
1319 -1.
1320 -11.
1407 +1.
1408 +11.
1321 1321  111. Single-channel ABP mode (Use with LG01/LG02)
1322 1322  
1323 1323  123456   Enter Password to have AT access.
... ... @@ -1357,7 +1357,7 @@
1357 1357  
1358 1358  
1359 1359  1.
1360 -11.
1448 +11.
1361 1361  111. Change to Class A
1362 1362  
1363 1363  If sensor JOINED
... ... @@ -1372,7 +1372,7 @@
1372 1372  
1373 1373  1. FAQ
1374 1374  
1375 -1.
1463 +1.
1376 1376  11. How to upgrade the image?
1377 1377  
1378 1378  The LT LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to LT to:
... ... @@ -1431,7 +1431,7 @@
1431 1431  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1432 1432  
1433 1433  
1434 -1.
1522 +1.
1435 1435  11. How to set up LT to work with Single Channel Gateway such as LG01/LG02?
1436 1436  
1437 1437  In this case, users need to set LT-33222-L to work in ABP mode & transmit in only one frequency.
... ... @@ -1490,7 +1490,7 @@
1490 1490  [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]]
1491 1491  
1492 1492  
1493 -1.
1581 +1.
1494 1494  11. Have trouble to upload image.
1495 1495  
1496 1496  See this link for trouble shooting:
... ... @@ -1498,7 +1498,7 @@
1498 1498  [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]
1499 1499  
1500 1500  
1501 -1.
1589 +1.
1502 1502  11. Why I can’t join TTN in US915 /AU915 bands?
1503 1503  
1504 1504  It might be about the channels mapping. Please see this link for detail:

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