Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -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) ... ... @@ -105,8 +105,6 @@ 105 105 * Support Modbus protocol 106 106 * Support Interrupt uplink (Since hardware version v1.2) 107 107 108 - 109 - 110 110 == 1.4 Applications == 111 111 112 112 * Smart Buildings & Home Automation ... ... @@ -313,6 +313,7 @@ 313 313 ))) 314 314 ))) 315 315 312 + 316 316 === 3.3.2 Configure sensors === 317 317 318 318 ((( ... ... @@ -324,19 +324,14 @@ 324 324 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 325 325 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 326 326 |AT+CFGDEV|(% style="width:110px" %)((( 327 -((( 328 328 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 329 -))) 330 330 331 -((( 332 332 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 333 -))) 334 334 335 -((( 336 336 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 337 -))) 338 338 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 339 339 331 + 340 340 === 3.3.3 Configure read commands for each sampling === 341 341 342 342 ((( ... ... @@ -1185,10 +1185,8 @@ 1185 1185 ))) 1186 1186 1187 1187 ((( 1188 -((( 1189 1189 (% 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. 1190 1190 ))) 1191 -))) 1192 1192 1193 1193 1194 1194 == 3.7 Buttons == ... ... @@ -1200,6 +1200,7 @@ 1200 1200 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1201 1201 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1202 1202 1193 + 1203 1203 == 3.8 LEDs == 1204 1204 1205 1205 ... ... @@ -1259,9 +1259,7 @@ 1259 1259 ))) 1260 1260 1261 1261 1262 -((( 1263 1263 If device already joined network: 1264 -))) 1265 1265 1266 1266 (% class="box infomessage" %) 1267 1267 ((( ... ... @@ -1300,12 +1300,10 @@ 1300 1300 1301 1301 (% style="color:red" %)**Note:** 1302 1302 1303 -((( 1304 1304 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1305 1305 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1306 1306 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. 1307 1307 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 1308 -))) 1309 1309 1310 1310 [[image:1654162478620-421.png]] 1311 1311 ... ... @@ -1334,25 +1334,17 @@ 1334 1334 1335 1335 [[image:1654162535040-878.png]] 1336 1336 1337 -((( 1338 1338 **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]]. 1339 -))) 1340 1340 1341 -((( 1342 1342 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1343 -))) 1344 1344 1345 -((( 1346 1346 **Step3: **Open flashloader; choose the correct COM port to update. 1347 -))) 1348 1348 1349 1349 ((( 1350 1350 ((( 1351 -((( 1352 1352 (% 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. 1353 1353 ))) 1354 1354 ))) 1355 -))) 1356 1356 1357 1357 1358 1358 [[image:image-20220602175818-12.png]]