Skip to Content
Last modified by Xiaoling on 2025/04/23 15:57
From version 40.34
edited by Xiaoling
on 2022/06/06 09:53
Change comment: There is no comment for this version
To version 40.38
edited by Xiaoling
on 2022/06/06 10:04
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -94,7 +94,6 @@
94 94  * 127 dB Dynamic Range RSSI.
95 95  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
96 96  
97 -
98 98  == 1.3 Features ==
99 99  
100 100  * LoRaWAN Class A & Class C protocol (default Class A)
... ... @@ -106,7 +106,6 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink
108 108  
109 -
110 110  == 1.4 Applications ==
111 111  
112 112  * Smart Buildings & Home Automation
... ... @@ -116,7 +116,6 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
119 -
120 120  == 1.5 Firmware Change log ==
121 121  
122 122  [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
... ... @@ -261,81 +261,129 @@
261 261  
262 262  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
263 263  
261 +(((
264 264  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
263 +)))
265 265  
265 +(((
266 266  **~1. RS485-MODBUS mode:**
267 +)))
267 267  
269 +(((
268 268  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
271 +)))
269 269  
273 +(((
270 270  **2. TTL mode:**
275 +)))
271 271  
277 +(((
272 272  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
279 +)))
273 273  
281 +(((
274 274  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.
283 +)))
275 275  
276 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
277 -|(((
285 +(% border="1" style="background-color:#ffffcc; color:green; width:767px" %)
286 +|=(% style="width: 121px;" %)(((
287 +(((
278 278  **AT Commands**
279 -)))|(% style="width:285px" %)(((
289 +)))
290 +)))|=(% style="width: 110px;" %)(((
291 +(((
280 280  **Description**
281 -)))|(% style="width:347px" %)(((
293 +)))
294 +)))|=(% style="width: 200px;" %)(((
295 +(((
282 282  **Example**
283 283  )))
284 -|(((
298 +)))
299 +|(% style="width:20px" %)(((
300 +(((
285 285  AT+BAUDR
286 -)))|(% style="width:285px" %)(((
302 +)))
303 +)))|(% style="width:303px" %)(((
304 +(((
287 287  Set the baud rate (for RS485 connection). Default Value is: 9600.
288 -)))|(% style="width:347px" %)(((
306 +)))
307 +)))|(% style="width:340px" %)(((
289 289  (((
309 +(((
290 290  AT+BAUDR=9600
291 291  )))
312 +)))
292 292  
293 293  (((
315 +(((
294 294  Options: (1200,2400,4800,14400,19200,115200)
295 295  )))
296 296  )))
297 -|(((
319 +)))
320 +|(% style="width:121px" %)(((
321 +(((
298 298  AT+PARITY
299 -)))|(% style="width:285px" %)(((
323 +)))
324 +)))|(% style="width:303px" %)(((
300 300  (((
326 +(((
301 301  Set UART parity (for RS485 connection)
302 302  )))
329 +)))
303 303  
304 304  (((
332 +(((
305 305  Default Value is: no parity.
306 306  )))
307 -)))|(% style="width:347px" %)(((
335 +)))
336 +)))|(% style="width:340px" %)(((
308 308  (((
338 +(((
309 309  AT+PARITY=0
310 310  )))
341 +)))
311 311  
312 312  (((
344 +(((
313 313  Option: 0: no parity, 1: odd parity, 2: even parity
314 314  )))
315 315  )))
316 -|(((
348 +)))
349 +|(% style="width:121px" %)(((
350 +(((
317 317  AT+STOPBIT
318 -)))|(% style="width:285px" %)(((
352 +)))
353 +)))|(% style="width:303px" %)(((
319 319  (((
355 +(((
320 320  Set serial stopbit (for RS485 connection)
321 321  )))
358 +)))
322 322  
323 323  (((
361 +(((
324 324  Default Value is: 1bit.
325 325  )))
326 -)))|(% style="width:347px" %)(((
364 +)))
365 +)))|(% style="width:340px" %)(((
327 327  (((
367 +(((
328 328  AT+STOPBIT=0 for 1bit
329 329  )))
370 +)))
330 330  
331 331  (((
373 +(((
332 332  AT+STOPBIT=1 for 1.5 bit
333 333  )))
376 +)))
334 334  
335 335  (((
379 +(((
336 336  AT+STOPBIT=2 for 2 bits
337 337  )))
338 338  )))
383 +)))
339 339  
340 340  
341 341  === 3.3.2 Configure sensors ===
... ... @@ -765,7 +765,6 @@
765 765  
766 766  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
767 767  
768 -
769 769  === 3.5.1 Common Commands: ===
770 770  
771 771  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
... ... @@ -1125,7 +1125,6 @@
1125 1125  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1126 1126  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1127 1127  
1128 -
1129 1129  == 3.7 +3V3 Output ==
1130 1130  
1131 1131  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1166,7 +1166,6 @@
1166 1166  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1167 1167  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1168 1168  
1169 -
1170 1170  == 3.10 Switch Jumper ==
1171 1171  
1172 1172  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1355,7 +1355,6 @@
1355 1355  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1356 1356  
1357 1357  
1358 -
1359 1359  = 9. Packing Info =
1360 1360  
1361 1361  (((