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Last modified by Xiaoling on 2025/04/23 15:57
From version 27.1
edited by Xiaoling
on 2022/05/23 10:28
Change comment: Uploaded new attachment "1653272901032-107.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

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Content
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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  
... ... @@ -56,7 +56,7 @@
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  
... ... @@ -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:
... ... @@ -453,123 +453,85 @@
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 -=== 3.3.4 Compose the uplink payload ===
505 505  
506 -(((
460 +
461 +
462 +1.
463 +11.
464 +111. Compose the uplink payload
465 +
507 507  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.**
508 -)))
509 509  
510 -(((
511 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
512 -)))
513 513  
514 -(((
515 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
516 -)))
469 +**Examples: AT+DATAUP=0**
517 517  
518 -(((
471 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
472 +
519 519  Final Payload is
520 -)))
521 521  
522 -(((
523 -(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
524 -)))
475 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
525 525  
526 -(((
527 527  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
528 -)))
529 529  
530 -[[image:1653272787040-634.png||height="515" width="719"]]
479 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
531 531  
532 -(((
533 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
534 -)))
535 535  
536 -(((
537 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
538 -)))
539 539  
540 -(((
483 +**Examples: AT+DATAUP=1**
484 +
485 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
486 +
541 541  Final Payload is
542 -)))
543 543  
544 -(((
545 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
546 -)))
489 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
547 547  
548 -1. (((
549 -Battery Info (2 bytes): Battery voltage
550 -)))
551 -1. (((
552 -PAYVER (1 byte): Defined by AT+PAYVER
553 -)))
554 -1. (((
555 -PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
556 -)))
557 -1. (((
558 -PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
559 -)))
560 -1. (((
561 -DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
562 -)))
491 +1. Battery Info (2 bytes): Battery voltage
492 +1. PAYVER (1 byte): Defined by AT+PAYVER
493 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
494 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
495 +1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
563 563  
564 -[[image:1653272817147-600.png||height="437" width="717"]]
497 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
565 565  
499 +
566 566  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
567 567  
568 -DATA1=RETURN1 Valid Value = ~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%)20 20 0a 33 90 41
502 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
569 569  
570 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= ~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%)02 aa 05 81 0a 20
504 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
571 571  
572 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =~(% style="background-color:#4f81bd;color:white" %)(% style="display:none" %) (%%) 20 20 20 2d 30
506 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
573 573  
574 574  
575 575  
... ... @@ -622,6 +622,7 @@
622 622  1.
623 623  11. Uplink Payload
624 624  
559 +
625 625  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
626 626  |Value|(((
627 627  Battery(mV)
... ... @@ -670,7 +670,7 @@
670 670  
671 671  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
672 672  
673 -1.
608 +1.
674 674  11. Configure RS485-BL via AT or Downlink
675 675  
676 676  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -681,10 +681,12 @@
681 681  
682 682  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
683 683  
619 +
684 684  1.
685 685  11.
686 686  111. Common Commands:
687 687  
624 +
688 688  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]]
689 689  
690 690  
... ... @@ -692,6 +692,7 @@
692 692  11.
693 693  111. Sensor related commands:
694 694  
632 +
695 695  ==== Choose Device Type (RS485 or TTL) ====
696 696  
697 697  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -732,6 +732,7 @@
732 732  * XX XX XX XX: RS485 command total NN bytes
733 733  * 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
734 734  
673 +
735 735  **Example 1:**
736 736  
737 737  To connect a Modbus Alarm with below commands.
... ... @@ -840,6 +840,7 @@
840 840  
841 841  * AT+MBFUN=0: Disable Modbus fast reading.
842 842  
782 +
843 843  Example:
844 844  
845 845  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -924,7 +924,7 @@
924 924  
925 925  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
926 926  
927 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
928 928  
929 929  
930 930  
... ... @@ -968,6 +968,7 @@
968 968  * A7 01 00 60   same as AT+BAUDR=9600
969 969  * A7 01 04 80  same as AT+BAUDR=115200
970 970  
911 +
971 971  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
972 972  
973 973  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -998,15 +998,17 @@
998 998  1.
999 999  11. Buttons
1000 1000  
942 +
1001 1001  |**Button**|**Feature**
1002 1002  |**RST**|Reboot RS485-BL
1003 1003  
946 +
1004 1004  1.
1005 1005  11. +3V3 Output
1006 1006  
1007 1007  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1008 1008  
1009 -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.
1010 1010  
1011 1011  
1012 1012  The +3V3 output time can be controlled by AT Command.
... ... @@ -1024,7 +1024,7 @@
1024 1024  
1025 1025  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1026 1026  
1027 -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.
1028 1028  
1029 1029  
1030 1030  The 5V output time can be controlled by AT Command.
... ... @@ -1045,6 +1045,7 @@
1045 1045  |**LEDs**|**Feature**
1046 1046  |**LED1**|Blink when device transmit a packet.
1047 1047  
991 +
1048 1048  1.
1049 1049  11. Switch Jumper
1050 1050  
... ... @@ -1066,6 +1066,7 @@
1066 1066  
1067 1067  1. Case Study
1068 1068  
1013 +
1069 1069  User can check this URL for some case studies.
1070 1070  
1071 1071  [[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]]
... ... @@ -1153,6 +1153,7 @@
1153 1153  * For bug fix
1154 1154  * Change LoRaWAN bands.
1155 1155  
1101 +
1156 1156  Below shows the hardware connection for how to upload an image to RS485-BL:
1157 1157  
1158 1158  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1196,6 +1196,7 @@
1196 1196  1.
1197 1197  11. How many RS485-Slave can RS485-BL connects?
1198 1198  
1145 +
1199 1199  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]].
1200 1200  
1201 1201  
... ... @@ -1206,7 +1206,7 @@
1206 1206  
1207 1207  Please see this link for debug:
1208 1208  
1209 -[[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]]
1210 1210  
1211 1211  
1212 1212  
... ... @@ -1221,6 +1221,7 @@
1221 1221  
1222 1222  1. Order Info
1223 1223  
1171 +
1224 1224  **Part Number: RS485-BL-XXX**
1225 1225  
1226 1226  **XXX:**
... ... @@ -1236,6 +1236,7 @@
1236 1236  * **RU864**: frequency bands RU864
1237 1237  * **KZ865: **frequency bands KZ865
1238 1238  
1187 +
1239 1239  1. Packing Info
1240 1240  
1241 1241  **Package Includes**:
... ... @@ -1244,6 +1244,7 @@
1244 1244  * Stick Antenna for LoRa RF part x 1
1245 1245  * Program cable x 1
1246 1246  
1196 +
1247 1247  **Dimension and weight**:
1248 1248  
1249 1249  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1251,6 +1251,7 @@
1251 1251  * Package Size / pcs : 14.5 x 8 x 5 cm
1252 1252  * Weight / pcs : 170g
1253 1253  
1204 +
1254 1254  1. Support
1255 1255  
1256 1256  * 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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