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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... ... @@ -233,15 +233,11 @@ 233 233 234 234 ((( 235 235 ((( 236 -((( 237 237 There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 238 238 ))) 239 -))) 240 240 241 241 ((( 242 -((( 243 243 (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 244 -))) 245 245 246 246 247 247 ))) ... ... @@ -309,7 +309,6 @@ 309 309 ))) 310 310 ))) 311 311 312 - 313 313 === 3.3.2 Configure sensors === 314 314 315 315 ((( ... ... @@ -328,7 +328,6 @@ 328 328 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 329 329 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 330 330 331 - 332 332 === 3.3.3 Configure read commands for each sampling === 333 333 334 334 ((( ... ... @@ -1106,29 +1106,29 @@ 1106 1106 ))) 1107 1107 1108 1108 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1109 -|=(% style="width: 1 00px;" %)(((1110 -**Command example** 1111 -)))|=(% style="width: 400px;" %)(((1103 +|=(% style="width: 161px;" %)((( 1104 +**Command example:** 1105 +)))|=(% style="width: 337px;" %)((( 1112 1112 **Function** 1113 1113 ))) 1114 -|(% style="width:1 00px" %)(((1108 +|(% style="width:161px" %)((( 1115 1115 AT+RXMODE=1,10 1116 -)))|(% style="width: 400px" %)(((1110 +)))|(% style="width:337px" %)((( 1117 1117 Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 1118 1118 ))) 1119 -|(% style="width:1 00px" %)(((1113 +|(% style="width:161px" %)((( 1120 1120 AT+RXMODE=2,500 1121 -)))|(% style="width: 400px" %)(((1115 +)))|(% style="width:337px" %)((( 1122 1122 Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 1123 1123 ))) 1124 -|(% style="width:1 00px" %)(((1118 +|(% style="width:161px" %)((( 1125 1125 AT+RXMODE=0,0 1126 -)))|(% style="width: 400px" %)(((1120 +)))|(% style="width:337px" %)((( 1127 1127 Disable listening mode. This is the default settings. 1128 1128 ))) 1129 -|(% style="width:1 00px" %)(((1123 +|(% style="width:161px" %)((( 1130 1130 1131 -)))|(% style="width: 400px" %)(((1125 +)))|(% style="width:337px" %)((( 1132 1132 A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1133 1133 ))) 1134 1134 ... ... @@ -1177,10 +1177,8 @@ 1177 1177 ))) 1178 1178 1179 1179 ((( 1180 -((( 1181 1181 (% 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. 1182 1182 ))) 1183 -))) 1184 1184 1185 1185 1186 1186 == 3.7 Buttons == ... ... @@ -1192,7 +1192,6 @@ 1192 1192 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1193 1193 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1194 1194 1195 - 1196 1196 == 3.8 LEDs == 1197 1197 1198 1198 ... ... @@ -1292,12 +1292,10 @@ 1292 1292 1293 1293 (% style="color:red" %)**Note:** 1294 1294 1295 -((( 1296 1296 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1297 1297 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1298 1298 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. 1299 1299 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 1300 -))) 1301 1301 1302 1302 [[image:1654162478620-421.png]] 1303 1303 ... ... @@ -1326,25 +1326,17 @@ 1326 1326 1327 1327 [[image:1654162535040-878.png]] 1328 1328 1329 -((( 1330 1330 **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]]. 1331 -))) 1332 1332 1333 -((( 1334 1334 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1335 -))) 1336 1336 1337 -((( 1338 1338 **Step3: **Open flashloader; choose the correct COM port to update. 1339 -))) 1340 1340 1341 1341 ((( 1342 1342 ((( 1343 -((( 1344 1344 (% 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. 1345 1345 ))) 1346 1346 ))) 1347 -))) 1348 1348 1349 1349 1350 1350 [[image:image-20220602175818-12.png]]