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) ... ... @@ -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 ... ... @@ -116,8 +116,6 @@ 116 116 * Smart Cities 117 117 * Smart Factory 118 118 119 - 120 - 121 121 == 1.5 Firmware Change log == 122 122 123 123 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -315,6 +315,7 @@ 315 315 ))) 316 316 ))) 317 317 312 + 318 318 === 3.3.2 Configure sensors === 319 319 320 320 ((( ... ... @@ -326,19 +326,14 @@ 326 326 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 327 327 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 328 328 |AT+CFGDEV|(% style="width:110px" %)((( 329 -((( 330 330 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 331 -))) 332 332 333 -((( 334 334 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 335 -))) 336 336 337 -((( 338 338 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 339 -))) 340 340 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 341 341 331 + 342 342 === 3.3.3 Configure read commands for each sampling === 343 343 344 344 ((( ... ... @@ -1187,10 +1187,8 @@ 1187 1187 ))) 1188 1188 1189 1189 ((( 1190 -((( 1191 1191 (% 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. 1192 1192 ))) 1193 -))) 1194 1194 1195 1195 1196 1196 == 3.7 Buttons == ... ... @@ -1202,6 +1202,7 @@ 1202 1202 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1203 1203 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1204 1204 1193 + 1205 1205 == 3.8 LEDs == 1206 1206 1207 1207 ... ... @@ -1210,6 +1210,7 @@ 1210 1210 |**PWR**|Always on if there is power 1211 1211 |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 1212 1212 1202 + 1213 1213 = 4. Case Study = 1214 1214 1215 1215 User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] ... ... @@ -1261,9 +1261,7 @@ 1261 1261 ))) 1262 1262 1263 1263 1264 -((( 1265 1265 If device already joined network: 1266 -))) 1267 1267 1268 1268 (% class="box infomessage" %) 1269 1269 ((( ... ... @@ -1302,12 +1302,10 @@ 1302 1302 1303 1303 (% style="color:red" %)**Note:** 1304 1304 1305 -((( 1306 1306 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1307 1307 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1308 1308 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. 1309 1309 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 1310 -))) 1311 1311 1312 1312 [[image:1654162478620-421.png]] 1313 1313 ... ... @@ -1336,25 +1336,17 @@ 1336 1336 1337 1337 [[image:1654162535040-878.png]] 1338 1338 1339 -((( 1340 1340 **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]]. 1341 -))) 1342 1342 1343 -((( 1344 1344 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1345 -))) 1346 1346 1347 -((( 1348 1348 **Step3: **Open flashloader; choose the correct COM port to update. 1349 -))) 1350 1350 1351 1351 ((( 1352 1352 ((( 1353 -((( 1354 1354 (% 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. 1355 1355 ))) 1356 1356 ))) 1357 -))) 1358 1358 1359 1359 1360 1360 [[image:image-20220602175818-12.png]]