Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -92,8 +92,6 @@ 92 92 * Automatic RF Sense and CAD with ultra-fast AFC. 93 93 * Packet engine up to 256 bytes with CRC 94 94 95 - 96 - 97 97 == 1.3 Features == 98 98 99 99 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -311,6 +311,7 @@ 311 311 ))) 312 312 ))) 313 313 312 + 314 314 === 3.3.2 Configure sensors === 315 315 316 316 ((( ... ... @@ -322,19 +322,14 @@ 322 322 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 323 323 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 324 324 |AT+CFGDEV|(% style="width:110px" %)((( 325 -((( 326 326 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 327 -))) 328 328 329 -((( 330 330 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 331 -))) 332 332 333 -((( 334 334 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 335 -))) 336 336 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 337 337 331 + 338 338 === 3.3.3 Configure read commands for each sampling === 339 339 340 340 ((( ... ... @@ -1183,10 +1183,8 @@ 1183 1183 ))) 1184 1184 1185 1185 ((( 1186 -((( 1187 1187 (% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 1188 1188 ))) 1189 -))) 1190 1190 1191 1191 1192 1192 == 3.7 Buttons == ... ... @@ -1198,6 +1198,7 @@ 1198 1198 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1199 1199 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1200 1200 1193 + 1201 1201 == 3.8 LEDs == 1202 1202 1203 1203 ... ... @@ -1257,9 +1257,7 @@ 1257 1257 ))) 1258 1258 1259 1259 1260 -((( 1261 1261 If device already joined network: 1262 -))) 1263 1263 1264 1264 (% class="box infomessage" %) 1265 1265 ((( ... ... @@ -1298,12 +1298,10 @@ 1298 1298 1299 1299 (% style="color:red" %)**Note:** 1300 1300 1301 -((( 1302 1302 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1303 1303 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1304 1304 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. 1305 1305 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 1306 -))) 1307 1307 1308 1308 [[image:1654162478620-421.png]] 1309 1309 ... ... @@ -1332,25 +1332,17 @@ 1332 1332 1333 1333 [[image:1654162535040-878.png]] 1334 1334 1335 -((( 1336 1336 **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1337 -))) 1338 1338 1339 -((( 1340 1340 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1341 -))) 1342 1342 1343 -((( 1344 1344 **Step3: **Open flashloader; choose the correct COM port to update. 1345 -))) 1346 1346 1347 1347 ((( 1348 1348 ((( 1349 -((( 1350 1350 (% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program. 1351 1351 ))) 1352 1352 ))) 1353 -))) 1354 1354 1355 1355 1356 1356 [[image:image-20220602175818-12.png]]