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Last modified by Xiaoling on 2025/04/23 15:57
From version 40.30
edited by Xiaoling
on 2022/06/06 09:50
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

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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);"]]
... ... @@ -127,29 +127,47 @@
127 127  (((
128 128  
129 129  
127 +(((
130 130  v1.4
131 131  )))
130 +)))
132 132  
133 133  (((
133 +(((
134 134  ~1. Change Power IC to TPS22916
135 135  )))
136 +)))
136 136  
138 +(((
139 +
140 +)))
137 137  
138 138  (((
143 +(((
139 139  v1.3
140 140  )))
146 +)))
141 141  
142 142  (((
149 +(((
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  )))
152 +)))
145 145  
154 +(((
155 +
156 +)))
146 146  
147 147  (((
159 +(((
148 148  v1.2
149 149  )))
162 +)))
150 150  
151 151  (((
165 +(((
152 152  Release version ​​​​​
167 +)))
153 153  
154 154  
155 155  )))
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243 243  
244 244  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
245 245  
261 +(((
246 246  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
263 +)))
247 247  
265 +(((
248 248  **~1. RS485-MODBUS mode:**
267 +)))
249 249  
269 +(((
250 250  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
271 +)))
251 251  
273 +(((
252 252  **2. TTL mode:**
275 +)))
253 253  
277 +(((
254 254  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
279 +)))
255 255  
281 +(((
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.
283 +)))
257 257  
258 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
259 -|(((
285 +(% border="1" style="background-color:#ffffcc; color:green; width:767px" %)
286 +|=(% style="width: 121px;" %)(((
287 +(((
260 260  **AT Commands**
261 -)))|(% style="width:285px" %)(((
289 +)))
290 +)))|=(% style="width: 110px;" %)(((
291 +(((
262 262  **Description**
263 -)))|(% style="width:347px" %)(((
293 +)))
294 +)))|=(% style="width: 200px;" %)(((
295 +(((
264 264  **Example**
265 265  )))
266 -|(((
298 +)))
299 +|(% style="width:20px" %)(((
300 +(((
267 267  AT+BAUDR
268 -)))|(% style="width:285px" %)(((
302 +)))
303 +)))|(% style="width:303px" %)(((
304 +(((
269 269  Set the baud rate (for RS485 connection). Default Value is: 9600.
270 -)))|(% style="width:347px" %)(((
306 +)))
307 +)))|(% style="width:340px" %)(((
271 271  (((
309 +(((
272 272  AT+BAUDR=9600
273 273  )))
312 +)))
274 274  
275 275  (((
315 +(((
276 276  Options: (1200,2400,4800,14400,19200,115200)
277 277  )))
278 278  )))
279 -|(((
319 +)))
320 +|(% style="width:121px" %)(((
321 +(((
280 280  AT+PARITY
281 -)))|(% style="width:285px" %)(((
323 +)))
324 +)))|(% style="width:303px" %)(((
282 282  (((
326 +(((
283 283  Set UART parity (for RS485 connection)
284 284  )))
329 +)))
285 285  
286 286  (((
332 +(((
287 287  Default Value is: no parity.
288 288  )))
289 -)))|(% style="width:347px" %)(((
335 +)))
336 +)))|(% style="width:340px" %)(((
290 290  (((
338 +(((
291 291  AT+PARITY=0
292 292  )))
341 +)))
293 293  
294 294  (((
344 +(((
295 295  Option: 0: no parity, 1: odd parity, 2: even parity
296 296  )))
297 297  )))
298 -|(((
348 +)))
349 +|(% style="width:121px" %)(((
350 +(((
299 299  AT+STOPBIT
300 -)))|(% style="width:285px" %)(((
352 +)))
353 +)))|(% style="width:303px" %)(((
301 301  (((
355 +(((
302 302  Set serial stopbit (for RS485 connection)
303 303  )))
358 +)))
304 304  
305 305  (((
361 +(((
306 306  Default Value is: 1bit.
307 307  )))
308 -)))|(% style="width:347px" %)(((
364 +)))
365 +)))|(% style="width:340px" %)(((
309 309  (((
367 +(((
310 310  AT+STOPBIT=0 for 1bit
311 311  )))
370 +)))
312 312  
313 313  (((
373 +(((
314 314  AT+STOPBIT=1 for 1.5 bit
315 315  )))
376 +)))
316 316  
317 317  (((
379 +(((
318 318  AT+STOPBIT=2 for 2 bits
319 319  )))
320 320  )))
383 +)))
321 321  
322 322  
323 323  === 3.3.2 Configure sensors ===
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747 747  
748 748  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
749 749  
750 -
751 751  === 3.5.1 Common Commands: ===
752 752  
753 753  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]]
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1107 1107  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1108 1108  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1109 1109  
1110 -
1111 1111  == 3.7 +3V3 Output ==
1112 1112  
1113 1113  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
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1148 1148  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1149 1149  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1150 1150  
1151 -
1152 1152  == 3.10 Switch Jumper ==
1153 1153  
1154 1154  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
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1292 1292  
1293 1293  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1294 1294  
1355 +(((
1295 1295  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1357 +)))
1296 1296  
1297 1297  
1298 1298  
1299 1299  == 6.3 How many RS485-Slave can RS485-BL connects? ==
1300 1300  
1363 +(((
1301 1301  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1365 +)))
1302 1302  
1303 1303  
1304 1304  
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1333 1333  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1334 1334  
1335 1335  
1336 -
1337 1337  = 9. Packing Info =
1338 1338  
1339 1339  (((