<
From version < 32.12 >
edited by Xiaoling
on 2022/06/02 15:26
To version < 32.16 >
edited by Xiaoling
on 2022/06/02 15:30
>
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152 152  
153 153  [[image:1653268155545-638.png||height="334" width="724"]]
154 154  
155 +
155 155  (((
157 +(((
156 156  The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
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157 157  
161 +(((
158 158  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
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159 159  
160 160  [[image:1653268227651-549.png||height="592" width="720"]]
161 161  
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207 207  
208 208  [[image:1652953568895-172.png||height="232" width="724"]]
209 209  
215 +
210 210  == 3.3 Configure Commands to read data ==
211 211  
212 212  (((
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216 216  
217 217  (((
218 218  (% 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
225 +
226 +
219 219  )))
220 220  )))
221 221  
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223 223  
224 224  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
225 225  
226 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
227 -|(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
228 228  **AT Commands**
229 -)))|(% style="width:285px" %)(((
237 +)))|(% style="width:305px" %)(((
230 230  **Description**
231 -)))|(% style="width:347px" %)(((
239 +)))|(% style="width:346px" %)(((
232 232  **Example**
233 233  )))
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242 +|(% style="width:128px" %)(((
235 235  AT+BAUDR
236 -)))|(% style="width:285px" %)(((
244 +)))|(% style="width:305px" %)(((
237 237  Set the baud rate (for RS485 connection). Default Value is: 9600.
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246 +)))|(% style="width:346px" %)(((
239 239  (((
240 240  AT+BAUDR=9600
241 241  )))
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244 244  Options: (1200,2400,4800,14400,19200,115200)
245 245  )))
246 246  )))
247 -|(((
255 +|(% style="width:128px" %)(((
248 248  AT+PARITY
249 -)))|(% style="width:285px" %)(((
257 +)))|(% style="width:305px" %)(((
250 250  Set UART parity (for RS485 connection)
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259 +)))|(% style="width:346px" %)(((
252 252  (((
253 253  AT+PARITY=0
254 254  )))
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257 257  Option: 0: no parity, 1: odd parity, 2: even parity
258 258  )))
259 259  )))
260 -|(((
268 +|(% style="width:128px" %)(((
261 261  AT+STOPBIT
262 -)))|(% style="width:285px" %)(((
270 +)))|(% style="width:305px" %)(((
263 263  (((
264 264  Set serial stopbit (for RS485 connection)
265 265  )))
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267 267  (((
268 268  
269 269  )))
270 -)))|(% style="width:347px" %)(((
278 +)))|(% style="width:346px" %)(((
271 271  (((
272 272  AT+STOPBIT=0 for 1bit
273 273  )))
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281 281  )))
282 282  )))
283 283  
292 +
284 284  === 3.3.2 Configure sensors ===
285 285  
286 286  (((
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