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Last modified by Xiaoling on 2025/04/23 15:57
From version 24.1
edited by Xiaoling
on 2022/05/23 10:09
Change comment: Uploaded new attachment "1653271763403-806.png", version {1}
To version 5.1
edited by Xiaoling
on 2022/05/19 17:41
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -1,6 +1,7 @@
1 1  (% style="text-align:center" %)
2 2  [[image:1652947681187-144.png||height="385" width="385"]]
3 3  
4 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg]]
4 4  
5 5  
6 6  
... ... @@ -26,7 +26,7 @@
26 26  )))
27 27  
28 28  (((
29 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
30 +RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
30 30  )))
31 31  
32 32  (((
... ... @@ -49,7 +49,7 @@
49 49  Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
50 50  )))
51 51  
52 -[[image:1652953304999-717.png||height="424" width="733"]]
53 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
53 53  
54 54  == 1.2 Specifications ==
55 55  
... ... @@ -56,11 +56,11 @@
56 56  **Hardware System:**
57 57  
58 58  * STM32L072CZT6 MCU
59 -* SX1276/78 Wireless Chip 
60 +* SX1276/78 Wireless Chip
60 60  * Power Consumption (exclude RS485 device):
61 61  ** Idle: 6uA@3.3v
62 62  
63 -*
64 +*
64 64  ** 20dB Transmit: 130mA@3.3v
65 65  
66 66  **Interface for Model:**
... ... @@ -110,7 +110,7 @@
110 110  * Smart Cities
111 111  * Smart Factory
112 112  
113 -== 1.5 Firmware Change log ==
114 +== 1.5 Firmware Change log ==
114 114  
115 115  [[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);"]]
116 116  
... ... @@ -144,261 +144,229 @@
144 144  
145 145  = 2. Pin mapping and Power ON Device =
146 146  
147 -(((
148 148  The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
149 -)))
150 150  
151 151  [[image:1652953055962-143.png||height="387" width="728"]]
152 152  
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
153 153  
154 154  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
155 155  
156 -= 3. Operation Mode =
157 157  
158 -== 3.1 How it works? ==
159 159  
160 -(((
158 +3. Operation Mode
159 +3.1 How it works?
160 +
161 161  The RS485-BL is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-BL. It will auto join the network via OTAA.
162 -)))
163 163  
164 -== 3.2 Example to join LoRaWAN network ==
165 165  
166 -Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
164 +1.
165 +11. Example to join LoRaWAN network
167 167  
168 -[[image:1652953414711-647.png||height="337" width="723"]]
167 +Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
169 169  
170 -(((
169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
170 +
171 +
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 -(((
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 -[[image:1652953462722-299.png]]
181 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
187 187  
188 -(((
183 +
184 +
185 +
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  
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
196 196  
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
197 197  
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
198 198  
199 -[[image:image-20220519174512-1.png]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
200 200  
201 -[[image:image-20220519174512-2.png||height="328" width="731"]]
202 202  
203 -[[image:image-20220519174512-3.png||height="556" width="724"]]
204 204  
205 -[[image:image-20220519174512-4.png]]
206 206  
201 +
202 +
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
207 207  You can also choose to create the device manually.
208 208  
209 -[[image:1652953542269-423.png||height="710" width="723"]]
216 +|(((
217 +
218 +)))
210 210  
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
211 211  Add APP KEY and DEV EUI
212 212  
213 -[[image:1652953553383-907.png||height="514" width="724"]]
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
214 214  
215 215  
216 -(((
217 217  **Step 2**: Power on RS485-BL and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
218 -)))
219 219  
220 -[[image:1652953568895-172.png||height="232" width="724"]]
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
221 221  
222 -== 3.3 Configure Commands to read data ==
223 223  
224 -(((
234 +
235 +
236 +1.
237 +11. Configure Commands to read data
238 +
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  
242 +1.
243 +11.
244 +111. Configure UART settings for RS485 or TTL communication
245 +
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:**
248 +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  
253 +1. TTL mode:
254 +
238 238  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
239 239  
257 +
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 -(((
260 +
261 +|**AT Commands**|**Description**|**Example**
262 +|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 -(((
267 +|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 -(((
271 +)))|(((
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 -(((
276 +|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 -(((
280 +)))|(((
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 -=== 3.3.2 Configure sensors ===
307 307  
308 -(((
309 -Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**.
310 -)))
311 311  
312 -(((
313 -When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
314 -)))
315 315  
316 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
317 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
318 -|AT+CFGDEV|(% style="width:418px" %)(((
291 +
292 +1.
293 +11.
294 +111. Configure sensors
295 +
296 +Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
297 +
298 +
299 +When user issue an AT+CFGDEV command, Each AT+CFGDEV equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
300 +
301 +|**AT Commands**|**Description**|**Example**
302 +|AT+CFGDEV|(((
319 319  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
320 320  
321 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
305 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
322 322  
323 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
324 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
308 +)))|AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
325 325  
326 326  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
327 327  
328 -=== 3.3.3 Configure read commands for each sampling ===
329 329  
330 -(((
313 +
314 +
315 +
316 +1.
317 +11.
318 +111. Configure read commands for each sampling
319 +
331 331  RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
332 -)))
333 333  
334 -(((
322 +
335 335  During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
336 -)))
337 337  
338 -(((
325 +
339 339  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
340 -)))
341 341  
342 -(((
328 +
343 343  This section describes how to achieve above goals.
344 -)))
345 345  
346 -(((
331 +
347 347  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
348 -)))
349 349  
350 -(((
334 +
351 351  **Command from RS485-BL to Sensor:**
352 -)))
353 353  
354 -(((
355 355  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
356 -)))
357 357  
358 -(((
339 +
359 359  **Handle return from sensors to RS485-BL**:
360 -)))
361 361  
362 -(((
363 363  After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
364 -)))
365 365  
366 -* (((
367 -**AT+DATACUT**
368 -)))
369 369  
370 -(((
345 +* **AT+DATACUT**
346 +
371 371  When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
372 -)))
373 373  
374 -* (((
375 -**AT+SEARCH**
376 -)))
377 377  
378 -(((
350 +* **AT+SEARCH**
351 +
379 379  When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
380 -)))
381 381  
382 -(((
354 +
383 383  **Define wait timeout:**
384 -)))
385 385  
386 -(((
387 387  Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
388 -)))
389 389  
390 -(((
359 +
391 391  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
392 -)))
393 393  
362 +
394 394  **Examples:**
395 395  
396 396  Below are examples for the how above AT Commands works.
397 397  
367 +
398 398  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
399 399  
400 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
401 -|(% style="width:498px" %)(((
370 +|(((
402 402  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
403 403  
404 404  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
... ... @@ -410,43 +410,46 @@
410 410  
411 411  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
412 412  
382 +
413 413  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
414 414  
415 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
416 -|(% style="width:577px" %)(((
385 +|(((
417 417  **AT+SEARCHx=aa,xx xx xx xx xx**
418 418  
419 419  * **aa: 1: prefix match mode; 2: prefix and suffix match mode**
420 420  * **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
390 +
391 +
421 421  )))
422 422  
423 -**Examples:**
394 +Examples:
424 424  
425 425  1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
426 426  
427 427  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
428 428  
429 -The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)**2e 30 58 5f 36 41 30 31 00 49**
400 +The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
430 430  
431 -[[image:1653271044481-711.png]]
402 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
432 432  
404 +
433 433  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
434 434  
435 435  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
436 436  
437 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is(% style="background-color:yellow" %) **2e 30 58 5f 36 41 30**
409 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
438 438  
439 -[[image:1653271276735-972.png]]
411 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
440 440  
413 +
441 441  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
442 442  
443 -(% style="background-color:#4f81bd; color:white; width:729px" %)
444 -|(% style="width:726px" %)(((
416 +|(((
445 445  **AT+DATACUTx=a,b,c**
446 446  
447 447  * **a: length for the return of AT+COMMAND**
448 448  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
449 -* **c: define the position for valid value.  **
421 +* **c: define the position for valid value. **
450 450  )))
451 451  
452 452  Examples:
... ... @@ -453,33 +453,34 @@
453 453  
454 454  * Grab bytes:
455 455  
456 -[[image:1653271581490-837.png||height="313" width="722"]]
428 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
457 457  
458 458  * Grab a section.
459 459  
460 -[[image:1653271648378-342.png||height="326" width="720"]]
432 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
461 461  
462 462  * Grab different sections.
463 463  
464 -[[image:1653271657255-576.png||height="305" width="730"]]
436 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
465 465  
466 -(% style="color:red" %)**Note:**
467 467  
439 +Note:
440 +
468 468  AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
469 469  
470 -**Example:**
443 +Example:
471 471  
472 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
445 +AT+COMMAND1=11 01 1E D0,0
473 473  
474 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
447 +AT+SEARCH1=1,1E 56 34
475 475  
476 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
449 +AT+DATACUT1=0,2,1~~5
477 477  
478 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
451 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
479 479  
480 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
453 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
481 481  
482 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
455 +Valid payload after DataCUT command: 2e 30 58 5f 36
483 483  
484 484  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
485 485  
... ... @@ -486,8 +486,8 @@
486 486  
487 487  
488 488  
489 -1.
490 -11.
462 +1.
463 +11.
491 491  111. Compose the uplink payload
492 492  
493 493  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
... ... @@ -551,8 +551,8 @@
551 551  
552 552  
553 553  
554 -1.
555 -11.
527 +1.
528 +11.
556 556  111. Uplink on demand
557 557  
558 558  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
... ... @@ -565,8 +565,8 @@
565 565  
566 566  
567 567  
568 -1.
569 -11.
541 +1.
542 +11.
570 570  111. Uplink on Interrupt
571 571  
572 572  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -580,9 +580,10 @@
580 580  AT+INTMOD=3  Interrupt trigger by rising edge.
581 581  
582 582  
583 -1.
556 +1.
584 584  11. Uplink Payload
585 585  
559 +
586 586  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
587 587  |Value|(((
588 588  Battery(mV)
... ... @@ -631,7 +631,7 @@
631 631  
632 632  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
633 633  
634 -1.
608 +1.
635 635  11. Configure RS485-BL via AT or Downlink
636 636  
637 637  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -642,17 +642,20 @@
642 642  
643 643  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
644 644  
645 -1.
646 -11.
619 +
620 +1.
621 +11.
647 647  111. Common Commands:
648 648  
624 +
649 649  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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
650 650  
651 651  
652 -1.
653 -11.
628 +1.
629 +11.
654 654  111. Sensor related commands:
655 655  
632 +
656 656  ==== Choose Device Type (RS485 or TTL) ====
657 657  
658 658  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -693,6 +693,7 @@
693 693  * XX XX XX XX: RS485 command total NN bytes
694 694  * YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
695 695  
673 +
696 696  **Example 1:**
697 697  
698 698  To connect a Modbus Alarm with below commands.
... ... @@ -801,6 +801,7 @@
801 801  
802 802  * AT+MBFUN=0: Disable Modbus fast reading.
803 803  
782 +
804 804  Example:
805 805  
806 806  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -885,7 +885,7 @@
885 885  
886 886  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
887 887  
888 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
889 889  
890 890  
891 891  
... ... @@ -929,6 +929,7 @@
929 929  * A7 01 00 60   same as AT+BAUDR=9600
930 930  * A7 01 04 80  same as AT+BAUDR=115200
931 931  
911 +
932 932  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
933 933  
934 934  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -956,18 +956,20 @@
956 956  
957 957  
958 958  
959 -1.
939 +1.
960 960  11. Buttons
961 961  
942 +
962 962  |**Button**|**Feature**
963 963  |**RST**|Reboot RS485-BL
964 964  
965 -1.
946 +
947 +1.
966 966  11. +3V3 Output
967 967  
968 968  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
969 969  
970 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
952 +The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
971 971  
972 972  
973 973  The +3V3 output time can be controlled by AT Command.
... ... @@ -980,12 +980,12 @@
980 980  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
981 981  
982 982  
983 -1.
965 +1.
984 984  11. +5V Output
985 985  
986 986  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
987 987  
988 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
970 +The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
989 989  
990 990  
991 991  The 5V output time can be controlled by AT Command.
... ... @@ -1000,13 +1000,14 @@
1000 1000  
1001 1001  
1002 1002  
1003 -1.
985 +1.
1004 1004  11. LEDs
1005 1005  
1006 1006  |**LEDs**|**Feature**
1007 1007  |**LED1**|Blink when device transmit a packet.
1008 1008  
1009 -1.
991 +
992 +1.
1010 1010  11. Switch Jumper
1011 1011  
1012 1012  |**Switch Jumper**|**Feature**
... ... @@ -1027,6 +1027,7 @@
1027 1027  
1028 1028  1. Case Study
1029 1029  
1013 +
1030 1030  User can check this URL for some case studies.
1031 1031  
1032 1032  [[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
... ... @@ -1052,7 +1052,7 @@
1052 1052  
1053 1053  
1054 1054  
1055 -1.
1039 +1.
1056 1056  11. Common AT Command Sequence
1057 1057  111. Multi-channel ABP mode (Use with SX1301/LG308)
1058 1058  
... ... @@ -1071,8 +1071,8 @@
1071 1071  
1072 1072  ATZ
1073 1073  
1074 -1.
1075 -11.
1058 +1.
1059 +11.
1076 1076  111. Single-channel ABP mode (Use with LG01/LG02)
1077 1077  
1078 1078  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1114,6 +1114,7 @@
1114 1114  * For bug fix
1115 1115  * Change LoRaWAN bands.
1116 1116  
1101 +
1117 1117  Below shows the hardware connection for how to upload an image to RS485-BL:
1118 1118  
1119 1119  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1147,7 +1147,7 @@
1147 1147  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1148 1148  
1149 1149  
1150 -1.
1135 +1.
1151 1151  11. How to change the LoRa Frequency Bands/Region?
1152 1152  
1153 1153  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1154,9 +1154,10 @@
1154 1154  
1155 1155  
1156 1156  
1157 -1.
1142 +1.
1158 1158  11. How many RS485-Slave can RS485-BL connects?
1159 1159  
1145 +
1160 1160  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>>path:#downlink_A8]].
1161 1161  
1162 1162  
... ... @@ -1167,11 +1167,11 @@
1167 1167  
1168 1168  Please see this link for debug:
1169 1169  
1170 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1156 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
1171 1171  
1172 1172  
1173 1173  
1174 -1.
1160 +1.
1175 1175  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1176 1176  
1177 1177  It might about the channels mapping. Please see for detail.
... ... @@ -1182,6 +1182,7 @@
1182 1182  
1183 1183  1. Order Info
1184 1184  
1171 +
1185 1185  **Part Number: RS485-BL-XXX**
1186 1186  
1187 1187  **XXX:**
... ... @@ -1197,6 +1197,7 @@
1197 1197  * **RU864**: frequency bands RU864
1198 1198  * **KZ865: **frequency bands KZ865
1199 1199  
1187 +
1200 1200  1. Packing Info
1201 1201  
1202 1202  **Package Includes**:
... ... @@ -1205,6 +1205,7 @@
1205 1205  * Stick Antenna for LoRa RF part x 1
1206 1206  * Program cable x 1
1207 1207  
1196 +
1208 1208  **Dimension and weight**:
1209 1209  
1210 1210  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1212,6 +1212,7 @@
1212 1212  * Package Size / pcs : 14.5 x 8 x 5 cm
1213 1213  * Weight / pcs : 170g
1214 1214  
1204 +
1215 1215  1. Support
1216 1216  
1217 1217  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
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