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Last modified by Xiaoling on 2025/04/23 15:57
From version 25.1
edited by Xiaoling
on 2022/05/23 10:26
Change comment: Uploaded new attachment "1653272787040-634.png", version {1}
To version 6.1
edited by Xiaoling
on 2022/05/19 17:41
Change comment: Uploaded new attachment "1652953304999-717.png", version {1}

Summary

Details

Page properties
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:
... ... @@ -453,59 +453,42 @@
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 -(((
467 -(% style="color:red" %)**Note:**
468 -)))
469 469  
470 -(((
439 +Note:
440 +
471 471  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.
472 -)))
473 473  
474 -(((
475 -**Example:**
476 -)))
443 +Example:
477 477  
478 -(((
479 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
480 -)))
445 +AT+COMMAND1=11 01 1E D0,0
481 481  
482 -(((
483 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
484 -)))
447 +AT+SEARCH1=1,1E 56 34
485 485  
486 -(((
487 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
488 -)))
449 +AT+DATACUT1=0,2,1~~5
489 489  
490 -(((
491 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
492 -)))
451 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
493 493  
494 -(((
495 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
496 -)))
453 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
497 497  
498 -(((
499 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
500 -)))
455 +Valid payload after DataCUT command: 2e 30 58 5f 36
501 501  
502 -[[image:1653271763403-806.png]]
457 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
503 503  
504 504  
505 505  
506 506  
507 -1.
508 -11.
462 +1.
463 +11.
509 509  111. Compose the uplink payload
510 510  
511 511  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.**
... ... @@ -569,8 +569,8 @@
569 569  
570 570  
571 571  
572 -1.
573 -11.
527 +1.
528 +11.
574 574  111. Uplink on demand
575 575  
576 576  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.
... ... @@ -583,8 +583,8 @@
583 583  
584 584  
585 585  
586 -1.
587 -11.
541 +1.
542 +11.
588 588  111. Uplink on Interrupt
589 589  
590 590  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -598,9 +598,10 @@
598 598  AT+INTMOD=3  Interrupt trigger by rising edge.
599 599  
600 600  
601 -1.
556 +1.
602 602  11. Uplink Payload
603 603  
559 +
604 604  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
605 605  |Value|(((
606 606  Battery(mV)
... ... @@ -649,7 +649,7 @@
649 649  
650 650  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
651 651  
652 -1.
608 +1.
653 653  11. Configure RS485-BL via AT or Downlink
654 654  
655 655  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -660,17 +660,20 @@
660 660  
661 661  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
662 662  
663 -1.
664 -11.
619 +
620 +1.
621 +11.
665 665  111. Common Commands:
666 666  
624 +
667 667  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]]
668 668  
669 669  
670 -1.
671 -11.
628 +1.
629 +11.
672 672  111. Sensor related commands:
673 673  
632 +
674 674  ==== Choose Device Type (RS485 or TTL) ====
675 675  
676 676  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -711,6 +711,7 @@
711 711  * XX XX XX XX: RS485 command total NN bytes
712 712  * 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
713 713  
673 +
714 714  **Example 1:**
715 715  
716 716  To connect a Modbus Alarm with below commands.
... ... @@ -819,6 +819,7 @@
819 819  
820 820  * AT+MBFUN=0: Disable Modbus fast reading.
821 821  
782 +
822 822  Example:
823 823  
824 824  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -903,7 +903,7 @@
903 903  
904 904  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
905 905  
906 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
907 907  
908 908  
909 909  
... ... @@ -947,6 +947,7 @@
947 947  * A7 01 00 60   same as AT+BAUDR=9600
948 948  * A7 01 04 80  same as AT+BAUDR=115200
949 949  
911 +
950 950  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
951 951  
952 952  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -974,18 +974,20 @@
974 974  
975 975  
976 976  
977 -1.
939 +1.
978 978  11. Buttons
979 979  
942 +
980 980  |**Button**|**Feature**
981 981  |**RST**|Reboot RS485-BL
982 982  
983 -1.
946 +
947 +1.
984 984  11. +3V3 Output
985 985  
986 986  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
987 987  
988 -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.
989 989  
990 990  
991 991  The +3V3 output time can be controlled by AT Command.
... ... @@ -998,12 +998,12 @@
998 998  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
999 999  
1000 1000  
1001 -1.
965 +1.
1002 1002  11. +5V Output
1003 1003  
1004 1004  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1005 1005  
1006 -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.
1007 1007  
1008 1008  
1009 1009  The 5V output time can be controlled by AT Command.
... ... @@ -1018,13 +1018,14 @@
1018 1018  
1019 1019  
1020 1020  
1021 -1.
985 +1.
1022 1022  11. LEDs
1023 1023  
1024 1024  |**LEDs**|**Feature**
1025 1025  |**LED1**|Blink when device transmit a packet.
1026 1026  
1027 -1.
991 +
992 +1.
1028 1028  11. Switch Jumper
1029 1029  
1030 1030  |**Switch Jumper**|**Feature**
... ... @@ -1045,6 +1045,7 @@
1045 1045  
1046 1046  1. Case Study
1047 1047  
1013 +
1048 1048  User can check this URL for some case studies.
1049 1049  
1050 1050  [[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]]
... ... @@ -1070,7 +1070,7 @@
1070 1070  
1071 1071  
1072 1072  
1073 -1.
1039 +1.
1074 1074  11. Common AT Command Sequence
1075 1075  111. Multi-channel ABP mode (Use with SX1301/LG308)
1076 1076  
... ... @@ -1089,8 +1089,8 @@
1089 1089  
1090 1090  ATZ
1091 1091  
1092 -1.
1093 -11.
1058 +1.
1059 +11.
1094 1094  111. Single-channel ABP mode (Use with LG01/LG02)
1095 1095  
1096 1096  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1132,6 +1132,7 @@
1132 1132  * For bug fix
1133 1133  * Change LoRaWAN bands.
1134 1134  
1101 +
1135 1135  Below shows the hardware connection for how to upload an image to RS485-BL:
1136 1136  
1137 1137  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1165,7 +1165,7 @@
1165 1165  [[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]]
1166 1166  
1167 1167  
1168 -1.
1135 +1.
1169 1169  11. How to change the LoRa Frequency Bands/Region?
1170 1170  
1171 1171  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1172,9 +1172,10 @@
1172 1172  
1173 1173  
1174 1174  
1175 -1.
1142 +1.
1176 1176  11. How many RS485-Slave can RS485-BL connects?
1177 1177  
1145 +
1178 1178  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]].
1179 1179  
1180 1180  
... ... @@ -1185,11 +1185,11 @@
1185 1185  
1186 1186  Please see this link for debug:
1187 1187  
1188 -[[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]]
1189 1189  
1190 1190  
1191 1191  
1192 -1.
1160 +1.
1193 1193  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1194 1194  
1195 1195  It might about the channels mapping. Please see for detail.
... ... @@ -1200,6 +1200,7 @@
1200 1200  
1201 1201  1. Order Info
1202 1202  
1171 +
1203 1203  **Part Number: RS485-BL-XXX**
1204 1204  
1205 1205  **XXX:**
... ... @@ -1215,6 +1215,7 @@
1215 1215  * **RU864**: frequency bands RU864
1216 1216  * **KZ865: **frequency bands KZ865
1217 1217  
1187 +
1218 1218  1. Packing Info
1219 1219  
1220 1220  **Package Includes**:
... ... @@ -1223,6 +1223,7 @@
1223 1223  * Stick Antenna for LoRa RF part x 1
1224 1224  * Program cable x 1
1225 1225  
1196 +
1226 1226  **Dimension and weight**:
1227 1227  
1228 1228  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1230,6 +1230,7 @@
1230 1230  * Package Size / pcs : 14.5 x 8 x 5 cm
1231 1231  * Weight / pcs : 170g
1232 1232  
1204 +
1233 1233  1. Support
1234 1234  
1235 1235  * 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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