Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Karry Zhuang on 2025/03/06 16:34
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... ... @@ -167,31 +167,19 @@ 167 167 168 168 [[image:1652953414711-647.png||height="337" width="723"]] 169 169 170 -((( 171 171 The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. 172 -))) 173 173 174 -((( 175 175 The LG308 is already set to connect to [[TTN V3 network >>url:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3: 176 -))) 177 177 178 -((( 179 179 **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL. 180 -))) 181 181 182 -((( 183 183 Each RS485-BL is shipped with a sticker with unique device EUI: 184 -))) 185 185 186 186 [[image:1652953462722-299.png]] 187 187 188 -((( 189 189 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: 190 -))) 191 191 192 -((( 193 193 Add APP EUI in the application. 194 -))) 195 195 196 196 197 197 ... ... @@ -219,89 +219,60 @@ 219 219 220 220 [[image:1652953568895-172.png||height="232" width="724"]] 221 221 222 -== 3.3 Configure Commands to read data == 223 223 224 -((( 211 + 212 + 213 +1. 214 +11. Configure Commands to read data 215 + 225 225 There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors. 226 -))) 227 227 228 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 229 229 219 +1. 220 +11. 221 +111. Configure UART settings for RS485 or TTL communication 222 + 230 230 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 231 231 232 - **~1. RS485-MODBUS mode:**225 +1. RS485-MODBUS mode: 233 233 234 234 AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 235 235 236 -**2. TTL mode:** 237 237 230 +1. TTL mode: 231 + 238 238 AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 239 239 234 + 240 240 RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match. 241 241 242 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %) 243 -|((( 244 -**AT Commands** 245 -)))|(% style="width:285px" %)((( 246 -**Description** 247 -)))|(% style="width:347px" %)((( 248 -**Example** 249 -))) 250 -|((( 251 -AT+BAUDR 252 -)))|(% style="width:285px" %)((( 253 -Set the baud rate (for RS485 connection). Default Value is: 9600. 254 -)))|(% style="width:347px" %)((( 255 -((( 237 + 238 +|**AT Commands**|**Description**|**Example** 239 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|((( 256 256 AT+BAUDR=9600 257 -))) 258 258 259 -((( 260 260 Options: (1200,2400,4800,14400,19200,115200) 261 261 ))) 262 -))) 263 -|((( 264 -AT+PARITY 265 -)))|(% style="width:285px" %)((( 266 -((( 244 +|AT+PARITY|((( 267 267 Set UART parity (for RS485 connection) 268 -))) 269 269 270 -((( 271 271 Default Value is: no parity. 272 -))) 273 -)))|(% style="width:347px" %)((( 274 -((( 248 +)))|((( 275 275 AT+PARITY=0 276 -))) 277 277 278 -((( 279 279 Option: 0: no parity, 1: odd parity, 2: even parity 280 280 ))) 281 -))) 282 -|((( 283 -AT+STOPBIT 284 -)))|(% style="width:285px" %)((( 285 -((( 253 +|AT+STOPBIT|((( 286 286 Set serial stopbit (for RS485 connection) 287 -))) 288 288 289 -((( 290 290 Default Value is: 1bit. 291 -))) 292 -)))|(% style="width:347px" %)((( 293 -((( 257 +)))|((( 294 294 AT+STOPBIT=0 for 1bit 295 -))) 296 296 297 -((( 298 298 AT+STOPBIT=1 for 1.5 bit 299 -))) 300 300 301 -((( 302 302 AT+STOPBIT=2 for 2 bits 303 303 ))) 304 -))) 305 305 306 306 307 307