Skip to Content
Last modified by Xiaoling on 2025/04/23 15:57
From version 40.33
edited by Xiaoling
on 2022/06/06 09:51
Change comment: There is no comment for this version
To version 40.35
edited by Xiaoling
on 2022/06/06 09:56
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -127,29 +127,47 @@
127 127  (((
128 128  
129 129  
130 +(((
130 130  v1.4
131 131  )))
133 +)))
132 132  
133 133  (((
136 +(((
134 134  ~1. Change Power IC to TPS22916
135 135  )))
139 +)))
136 136  
141 +(((
142 +
143 +)))
137 137  
138 138  (((
146 +(((
139 139  v1.3
140 140  )))
149 +)))
141 141  
142 142  (((
152 +(((
143 143  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
144 144  )))
155 +)))
145 145  
157 +(((
158 +
159 +)))
146 146  
147 147  (((
162 +(((
148 148  v1.2
149 149  )))
165 +)))
150 150  
151 151  (((
168 +(((
152 152  Release version ​​​​​
170 +)))
153 153  
154 154  
155 155  )))
... ... @@ -243,81 +243,129 @@
243 243  
244 244  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
245 245  
264 +(((
246 246  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
266 +)))
247 247  
268 +(((
248 248  **~1. RS485-MODBUS mode:**
270 +)))
249 249  
272 +(((
250 250  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
274 +)))
251 251  
276 +(((
252 252  **2. TTL mode:**
278 +)))
253 253  
280 +(((
254 254  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
282 +)))
255 255  
284 +(((
256 256  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.
286 +)))
257 257  
258 258  (% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
259 259  |(((
290 +(((
260 260  **AT Commands**
292 +)))
261 261  )))|(% style="width:285px" %)(((
294 +(((
262 262  **Description**
296 +)))
263 263  )))|(% style="width:347px" %)(((
298 +(((
264 264  **Example**
265 265  )))
301 +)))
266 266  |(((
303 +(((
267 267  AT+BAUDR
305 +)))
268 268  )))|(% style="width:285px" %)(((
307 +(((
269 269  Set the baud rate (for RS485 connection). Default Value is: 9600.
309 +)))
270 270  )))|(% style="width:347px" %)(((
271 271  (((
312 +(((
272 272  AT+BAUDR=9600
273 273  )))
315 +)))
274 274  
275 275  (((
318 +(((
276 276  Options: (1200,2400,4800,14400,19200,115200)
277 277  )))
278 278  )))
322 +)))
279 279  |(((
324 +(((
280 280  AT+PARITY
326 +)))
281 281  )))|(% style="width:285px" %)(((
282 282  (((
329 +(((
283 283  Set UART parity (for RS485 connection)
284 284  )))
332 +)))
285 285  
286 286  (((
335 +(((
287 287  Default Value is: no parity.
288 288  )))
338 +)))
289 289  )))|(% style="width:347px" %)(((
290 290  (((
341 +(((
291 291  AT+PARITY=0
292 292  )))
344 +)))
293 293  
294 294  (((
347 +(((
295 295  Option: 0: no parity, 1: odd parity, 2: even parity
296 296  )))
297 297  )))
351 +)))
298 298  |(((
353 +(((
299 299  AT+STOPBIT
355 +)))
300 300  )))|(% style="width:285px" %)(((
301 301  (((
358 +(((
302 302  Set serial stopbit (for RS485 connection)
303 303  )))
361 +)))
304 304  
305 305  (((
364 +(((
306 306  Default Value is: 1bit.
307 307  )))
367 +)))
308 308  )))|(% style="width:347px" %)(((
309 309  (((
370 +(((
310 310  AT+STOPBIT=0 for 1bit
311 311  )))
373 +)))
312 312  
313 313  (((
376 +(((
314 314  AT+STOPBIT=1 for 1.5 bit
315 315  )))
379 +)))
316 316  
317 317  (((
382 +(((
318 318  AT+STOPBIT=2 for 2 bits
319 319  )))
320 320  )))
386 +)))
321 321  
322 322  
323 323  === 3.3.2 Configure sensors ===