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edited by Xiaoling
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Summary

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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  
... ... @@ -7,15 +7,12 @@
7 7  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 9  
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 19  = 1.Introduction =
20 20  
21 21  == 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
... ... @@ -25,19 +25,19 @@
25 25  )))
26 26  
27 27  (((
28 -The Dragino RS485-BL is a (% style="color:blue" %)**RS485 / UART to LoRaWAN Converter**(%%) for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
26 +The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
29 29  )))
30 30  
31 31  (((
32 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides (% style="color:blue" %)**a 3.3v output**(%%) and** (% style="color:blue" %)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.
33 33  )))
34 34  
35 35  (((
36 -RS485-BL is IP67 (% style="color:blue" %)**waterproof**(%%) and powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use for several years.
34 +RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
37 37  )))
38 38  
39 39  (((
40 -RS485-BL runs standard (% style="color:blue" %)**LoRaWAN 1.0.3 in Class A**(%%). It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
38 +RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
41 41  )))
42 42  
43 43  (((
... ... @@ -52,19 +52,18 @@
52 52  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.
53 53  )))
54 54  
55 -[[image:1652953304999-717.png||height="424" width="733"]]
53 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
56 56  
57 -
58 -
59 59  == 1.2 Specifications ==
60 60  
61 -
62 62  **Hardware System:**
63 63  
64 64  * STM32L072CZT6 MCU
65 -* SX1276/78 Wireless Chip 
60 +* SX1276/78 Wireless Chip
66 66  * Power Consumption (exclude RS485 device):
67 67  ** Idle: 6uA@3.3v
63 +
64 +*
68 68  ** 20dB Transmit: 130mA@3.3v
69 69  
70 70  **Interface for Model:**
... ... @@ -114,16 +114,13 @@
114 114  * Smart Cities
115 115  * Smart Factory
116 116  
117 -== 1.5 Firmware Change log ==
114 +== 1.5 Firmware Change log ==
118 118  
119 119  [[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);"]]
120 120  
121 -
122 122  == 1.6 Hardware Change log ==
123 123  
124 124  (((
125 -
126 -
127 127  v1.4
128 128  )))
129 129  
... ... @@ -147,273 +147,233 @@
147 147  
148 148  (((
149 149  Release version ​​​​​
150 -
151 -
152 152  )))
153 153  
154 154  = 2. Pin mapping and Power ON Device =
155 155  
156 -(((
157 157  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.
158 -)))
159 159  
160 160  [[image:1652953055962-143.png||height="387" width="728"]]
161 161  
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
162 162  
163 163  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
164 164  
165 165  
166 -= 3. Operation Mode =
167 167  
168 -== 3.1 How it works? ==
158 +3. Operation Mode
159 +3.1 How it works?
169 169  
170 -(((
171 171  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.
172 172  
173 -
174 -)))
175 175  
176 -== 3.2 Example to join LoRaWAN network ==
164 +1.
165 +11. Example to join LoRaWAN network
177 177  
178 -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. 
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.
179 179  
180 -[[image:1652953414711-647.png||height="337" width="723"]]
169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
181 181  
182 -(((
171 +
183 183  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
184 -)))
185 185  
186 -(((
174 +
187 187  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:
188 -)))
189 189  
190 -(((
191 191  **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
192 -)))
193 193  
194 -(((
195 195  Each RS485-BL is shipped with a sticker with unique device EUI:
196 -)))
197 197  
198 -[[image:1652953462722-299.png]]
181 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
199 199  
200 -(((
183 +
184 +
185 +
201 201  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
202 -)))
203 203  
204 -(((
205 205  Add APP EUI in the application.
206 -)))
207 207  
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
208 208  
209 -[[image:image-20220519174512-1.png]]
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
210 210  
211 -[[image:image-20220519174512-2.png||height="328" width="731"]]
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
212 212  
213 -[[image:image-20220519174512-3.png||height="556" width="724"]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
214 214  
215 -[[image:image-20220519174512-4.png]]
216 216  
199 +
200 +
201 +
202 +
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
217 217  You can also choose to create the device manually.
218 218  
219 -[[image:1652953542269-423.png||height="710" width="723"]]
216 +|(((
217 +
218 +)))
220 220  
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
221 221  Add APP KEY and DEV EUI
222 222  
223 -[[image:1652953553383-907.png||height="514" width="724"]]
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
224 224  
225 225  
226 -(((
227 227  **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.
228 -)))
229 229  
230 -[[image:1652953568895-172.png||height="232" width="724"]]
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
231 231  
232 232  
233 -== 3.3 Configure Commands to read data ==
234 234  
235 -(((
236 -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>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
237 237  
238 -
239 -)))
236 +1.
237 +11. Configure Commands to read data
240 240  
241 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
239 +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.
242 242  
241 +
242 +1.
243 +11.
244 +111. Configure UART settings for RS485 or TTL communication
245 +
243 243  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
244 244  
245 -**~1. RS485-MODBUS mode:**
248 +1. RS485-MODBUS mode:
246 246  
247 247  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
248 248  
249 -**2. TTL mode:**
250 250  
253 +1. TTL mode:
254 +
251 251  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
252 252  
257 +
253 253  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.
254 254  
255 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
256 -|(((
257 -**AT Commands**
258 -)))|(% style="width:285px" %)(((
259 -**Description**
260 -)))|(% style="width:347px" %)(((
261 -**Example**
262 -)))
263 -|(((
264 -AT+BAUDR
265 -)))|(% style="width:285px" %)(((
266 -Set the baud rate (for RS485 connection). Default Value is: 9600.
267 -)))|(% style="width:347px" %)(((
268 -(((
260 +
261 +|**AT Commands**|**Description**|**Example**
262 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
269 269  AT+BAUDR=9600
270 -)))
271 271  
272 -(((
273 273  Options: (1200,2400,4800,14400,19200,115200)
274 274  )))
275 -)))
276 -|(((
277 -AT+PARITY
278 -)))|(% style="width:285px" %)(((
279 -(((
267 +|AT+PARITY|(((
280 280  Set UART parity (for RS485 connection)
281 -)))
282 282  
283 -(((
284 284  Default Value is: no parity.
285 -)))
286 -)))|(% style="width:347px" %)(((
287 -(((
271 +)))|(((
288 288  AT+PARITY=0
289 -)))
290 290  
291 -(((
292 292  Option: 0: no parity, 1: odd parity, 2: even parity
293 293  )))
294 -)))
295 -|(((
296 -AT+STOPBIT
297 -)))|(% style="width:285px" %)(((
298 -(((
276 +|AT+STOPBIT|(((
299 299  Set serial stopbit (for RS485 connection)
300 -)))
301 301  
302 -(((
303 303  Default Value is: 1bit.
304 -)))
305 -)))|(% style="width:347px" %)(((
306 -(((
280 +)))|(((
307 307  AT+STOPBIT=0 for 1bit
308 -)))
309 309  
310 -(((
311 311  AT+STOPBIT=1 for 1.5 bit
312 -)))
313 313  
314 -(((
315 315  AT+STOPBIT=2 for 2 bits
316 316  )))
317 -)))
318 318  
319 319  
320 -=== 3.3.2 Configure sensors ===
321 321  
322 -(((
323 -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**.
324 -)))
325 325  
326 -(((
327 -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.
328 -)))
329 329  
330 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
331 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
332 -|AT+CFGDEV|(% style="width:418px" %)(((
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|(((
333 333  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
334 334  
335 -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
336 336  
337 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
338 -)))|(% 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
339 339  
340 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
310 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
341 341  
342 342  
343 -=== 3.3.3 Configure read commands for each sampling ===
344 344  
345 -(((
314 +
315 +
316 +1.
317 +11.
318 +111. Configure read commands for each sampling
319 +
346 346  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.
347 -)))
348 348  
349 -(((
322 +
350 350  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.
351 -)))
352 352  
353 -(((
325 +
354 354  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
355 -)))
356 356  
357 -(((
328 +
358 358  This section describes how to achieve above goals.
359 -)))
360 360  
361 -(((
331 +
362 362  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
363 -)))
364 364  
365 -(((
334 +
366 366  **Command from RS485-BL to Sensor:**
367 -)))
368 368  
369 -(((
370 370  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
371 -)))
372 372  
373 -(((
339 +
374 374  **Handle return from sensors to RS485-BL**:
375 -)))
376 376  
377 -(((
378 378  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**
379 -)))
380 380  
381 -* (((
382 -**AT+DATACUT**
383 -)))
384 384  
385 -(((
345 +* **AT+DATACUT**
346 +
386 386  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.
387 -)))
388 388  
389 -* (((
390 -**AT+SEARCH**
391 -)))
392 392  
393 -(((
350 +* **AT+SEARCH**
351 +
394 394  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.
395 -)))
396 396  
397 -(((
354 +
398 398  **Define wait timeout:**
399 -)))
400 400  
401 -(((
402 402  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
403 -)))
404 404  
405 -(((
359 +
406 406  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
407 -)))
408 408  
362 +
409 409  **Examples:**
410 410  
411 411  Below are examples for the how above AT Commands works.
412 412  
367 +
413 413  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
414 414  
415 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
416 -|(% style="width:498px" %)(((
370 +|(((
417 417  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
418 418  
419 419  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
... ... @@ -425,43 +425,46 @@
425 425  
426 426  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
427 427  
382 +
428 428  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
429 429  
430 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
431 -|(% style="width:577px" %)(((
385 +|(((
432 432  **AT+SEARCHx=aa,xx xx xx xx xx**
433 433  
434 434  * **aa: 1: prefix match mode; 2: prefix and suffix match mode**
435 435  * **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
390 +
391 +
436 436  )))
437 437  
438 -**Examples:**
394 +Examples:
439 439  
440 440  1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
441 441  
442 442  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
443 443  
444 -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
445 445  
446 -[[image:1653271044481-711.png]]
402 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
447 447  
404 +
448 448  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
449 449  
450 450  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
451 451  
452 -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
453 453  
454 -[[image:1653271276735-972.png]]
411 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
455 455  
413 +
456 456  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
457 457  
458 -(% style="background-color:#4f81bd; color:white; width:729px" %)
459 -|(% style="width:726px" %)(((
416 +|(((
460 460  **AT+DATACUTx=a,b,c**
461 461  
462 462  * **a: length for the return of AT+COMMAND**
463 463  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
464 -* **c: define the position for valid value.  **
421 +* **c: define the position for valid value. **
465 465  )))
466 466  
467 467  Examples:
... ... @@ -468,130 +468,95 @@
468 468  
469 469  * Grab bytes:
470 470  
471 -[[image:1653271581490-837.png||height="313" width="722"]]
428 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
472 472  
473 473  * Grab a section.
474 474  
475 -[[image:1653271648378-342.png||height="326" width="720"]]
432 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
476 476  
477 477  * Grab different sections.
478 478  
479 -[[image:1653271657255-576.png||height="305" width="730"]]
436 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
480 480  
481 -(((
482 -(% style="color:red" %)**Note:**
483 -)))
484 484  
485 -(((
439 +Note:
440 +
486 486  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.
487 -)))
488 488  
489 -(((
490 -**Example:**
491 -)))
443 +Example:
492 492  
493 -(((
494 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
495 -)))
445 +AT+COMMAND1=11 01 1E D0,0
496 496  
497 -(((
498 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
499 -)))
447 +AT+SEARCH1=1,1E 56 34
500 500  
501 -(((
502 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
503 -)))
449 +AT+DATACUT1=0,2,1~~5
504 504  
505 -(((
506 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
507 -)))
451 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
508 508  
509 -(((
510 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
511 -)))
453 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
512 512  
513 -(((
514 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
515 -)))
455 +Valid payload after DataCUT command: 2e 30 58 5f 36
516 516  
517 -[[image:1653271763403-806.png]]
457 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
518 518  
519 -=== 3.3.4 Compose the uplink payload ===
520 520  
521 -(((
460 +
461 +
462 +1.
463 +11.
464 +111. Compose the uplink payload
465 +
522 522  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.**
523 -)))
524 524  
525 -(((
526 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
527 -)))
528 528  
529 -(((
530 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
531 -)))
469 +**Examples: AT+DATAUP=0**
532 532  
533 -(((
471 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
472 +
534 534  Final Payload is
535 -)))
536 536  
537 -(((
538 -(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
539 -)))
475 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
540 540  
541 -(((
542 542  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
543 -)))
544 544  
545 -[[image:1653272787040-634.png||height="515" width="719"]]
479 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
546 546  
547 -(((
548 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
549 -)))
550 550  
551 -(((
552 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
553 -)))
554 554  
555 -(((
483 +**Examples: AT+DATAUP=1**
484 +
485 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
486 +
556 556  Final Payload is
557 -)))
558 558  
559 -(((
560 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
561 -)))
489 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
562 562  
563 -1. (((
564 -Battery Info (2 bytes): Battery voltage
565 -)))
566 -1. (((
567 -PAYVER (1 byte): Defined by AT+PAYVER
568 -)))
569 -1. (((
570 -PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
571 -)))
572 -1. (((
573 -PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
574 -)))
575 -1. (((
576 -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
577 -)))
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
578 578  
579 -[[image:1653272817147-600.png||height="437" width="717"]]
497 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
580 580  
499 +
581 581  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
582 582  
583 -DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
502 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
584 584  
585 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
504 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
586 586  
587 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
506 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
588 588  
508 +
509 +
589 589  Below are the uplink payloads:
590 590  
591 -[[image:1653272901032-107.png]]
512 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
592 592  
593 -(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
594 594  
515 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
516 +
595 595   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
596 596  
597 597   * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
... ... @@ -600,121 +600,91 @@
600 600  
601 601   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
602 602  
603 -=== 3.3.5 Uplink on demand ===
604 604  
605 -(((
526 +
527 +1.
528 +11.
529 +111. Uplink on demand
530 +
606 606  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.
607 -)))
608 608  
609 -(((
610 610  Downlink control command:
611 -)))
612 612  
613 -(((
614 -**0x08 command**: Poll an uplink with current command set in RS485-BL.
615 -)))
535 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
616 616  
617 -(((
618 -**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
619 -)))
537 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
620 620  
621 -=== 3.3.6 Uplink on Interrupt ===
622 622  
623 -Put the interrupt sensor between 3.3v_out and GPIO ext.
624 624  
625 -[[image:1653273818896-432.png]]
541 +1.
542 +11.
543 +111. Uplink on Interrupt
626 626  
627 -(((
545 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
546 +
628 628  AT+INTMOD=0  Disable Interrupt
629 -)))
630 630  
631 -(((
632 632  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
633 -)))
634 634  
635 -(((
636 636  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
637 -)))
638 638  
639 -(((
640 640  AT+INTMOD=3  Interrupt trigger by rising edge.
641 -)))
642 642  
643 -== 3.4 Uplink Payload ==
644 644  
645 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
646 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
647 -|Value|(% style="width:130px" %)(((
648 -(((
556 +1.
557 +11. Uplink Payload
558 +
559 +
560 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
561 +|Value|(((
649 649  Battery(mV)
650 -)))
651 651  
652 -(((
653 653  &
654 -)))
655 655  
656 -(((
657 657  Interrupt _Flag
658 -)))
659 -)))|(% style="width:93px" %)(((
567 +)))|(((
660 660  PAYLOAD_VER
661 661  
662 662  
663 -)))|(% style="width:509px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
571 +)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
664 664  
665 665  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
666 666  
667 -(((
575 +
668 668  function Decoder(bytes, port) {
669 -)))
670 670  
671 -(((
672 672  ~/~/Payload Formats of RS485-BL Deceive
673 -)))
674 674  
675 -(((
676 676  return {
677 -)))
678 678  
679 -(((
680 680   ~/~/Battery,units:V
681 -)))
682 682  
683 -(((
684 684   BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
685 -)))
686 686  
687 -(((
688 688   ~/~/GPIO_EXTI 
689 -)))
690 690  
691 -(((
692 692   EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
693 -)))
694 694  
695 -(((
696 696   ~/~/payload of version
697 -)))
698 698  
699 -(((
700 700   Pay_ver:bytes[2],
701 -)))
702 702  
703 -(((
704 704   };
705 -)))
706 706  
707 -(((
708 708   }
709 -)))
710 710  
711 -(((
598 +
599 +
600 +
601 +
602 +
603 +
712 712  TTN V3 uplink screen shot.
713 -)))
714 714  
715 -[[image:1653274001211-372.png||height="192" width="732"]]
606 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
716 716  
717 -== 3.5 Configure RS485-BL via AT or Downlink ==
608 +1.
609 +11. Configure RS485-BL via AT or Downlink
718 718  
719 719  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
720 720  
... ... @@ -724,17 +724,20 @@
724 724  
725 725  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
726 726  
727 -1.
728 -11.
619 +
620 +1.
621 +11.
729 729  111. Common Commands:
730 730  
624 +
731 731  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]]
732 732  
733 733  
734 -1.
735 -11.
628 +1.
629 +11.
736 736  111. Sensor related commands:
737 737  
632 +
738 738  ==== Choose Device Type (RS485 or TTL) ====
739 739  
740 740  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -775,6 +775,7 @@
775 775  * XX XX XX XX: RS485 command total NN bytes
776 776  * 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
777 777  
673 +
778 778  **Example 1:**
779 779  
780 780  To connect a Modbus Alarm with below commands.
... ... @@ -883,6 +883,7 @@
883 883  
884 884  * AT+MBFUN=0: Disable Modbus fast reading.
885 885  
782 +
886 886  Example:
887 887  
888 888  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -967,7 +967,7 @@
967 967  
968 968  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
969 969  
970 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
971 971  
972 972  
973 973  
... ... @@ -1011,6 +1011,7 @@
1011 1011  * A7 01 00 60   same as AT+BAUDR=9600
1012 1012  * A7 01 04 80  same as AT+BAUDR=115200
1013 1013  
911 +
1014 1014  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1015 1015  
1016 1016  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -1038,18 +1038,20 @@
1038 1038  
1039 1039  
1040 1040  
1041 -1.
939 +1.
1042 1042  11. Buttons
1043 1043  
942 +
1044 1044  |**Button**|**Feature**
1045 1045  |**RST**|Reboot RS485-BL
1046 1046  
1047 -1.
946 +
947 +1.
1048 1048  11. +3V3 Output
1049 1049  
1050 1050  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1051 1051  
1052 -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.
1053 1053  
1054 1054  
1055 1055  The +3V3 output time can be controlled by AT Command.
... ... @@ -1062,12 +1062,12 @@
1062 1062  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1063 1063  
1064 1064  
1065 -1.
965 +1.
1066 1066  11. +5V Output
1067 1067  
1068 1068  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1069 1069  
1070 -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.
1071 1071  
1072 1072  
1073 1073  The 5V output time can be controlled by AT Command.
... ... @@ -1082,13 +1082,14 @@
1082 1082  
1083 1083  
1084 1084  
1085 -1.
985 +1.
1086 1086  11. LEDs
1087 1087  
1088 1088  |**LEDs**|**Feature**
1089 1089  |**LED1**|Blink when device transmit a packet.
1090 1090  
1091 -1.
991 +
992 +1.
1092 1092  11. Switch Jumper
1093 1093  
1094 1094  |**Switch Jumper**|**Feature**
... ... @@ -1109,6 +1109,7 @@
1109 1109  
1110 1110  1. Case Study
1111 1111  
1013 +
1112 1112  User can check this URL for some case studies.
1113 1113  
1114 1114  [[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]]
... ... @@ -1134,7 +1134,7 @@
1134 1134  
1135 1135  
1136 1136  
1137 -1.
1039 +1.
1138 1138  11. Common AT Command Sequence
1139 1139  111. Multi-channel ABP mode (Use with SX1301/LG308)
1140 1140  
... ... @@ -1153,8 +1153,8 @@
1153 1153  
1154 1154  ATZ
1155 1155  
1156 -1.
1157 -11.
1058 +1.
1059 +11.
1158 1158  111. Single-channel ABP mode (Use with LG01/LG02)
1159 1159  
1160 1160  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1196,6 +1196,7 @@
1196 1196  * For bug fix
1197 1197  * Change LoRaWAN bands.
1198 1198  
1101 +
1199 1199  Below shows the hardware connection for how to upload an image to RS485-BL:
1200 1200  
1201 1201  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1229,7 +1229,7 @@
1229 1229  [[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]]
1230 1230  
1231 1231  
1232 -1.
1135 +1.
1233 1233  11. How to change the LoRa Frequency Bands/Region?
1234 1234  
1235 1235  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1236,9 +1236,10 @@
1236 1236  
1237 1237  
1238 1238  
1239 -1.
1142 +1.
1240 1240  11. How many RS485-Slave can RS485-BL connects?
1241 1241  
1145 +
1242 1242  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]].
1243 1243  
1244 1244  
... ... @@ -1249,11 +1249,11 @@
1249 1249  
1250 1250  Please see this link for debug:
1251 1251  
1252 -[[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]]
1253 1253  
1254 1254  
1255 1255  
1256 -1.
1160 +1.
1257 1257  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1258 1258  
1259 1259  It might about the channels mapping. Please see for detail.
... ... @@ -1264,6 +1264,7 @@
1264 1264  
1265 1265  1. Order Info
1266 1266  
1171 +
1267 1267  **Part Number: RS485-BL-XXX**
1268 1268  
1269 1269  **XXX:**
... ... @@ -1279,6 +1279,7 @@
1279 1279  * **RU864**: frequency bands RU864
1280 1280  * **KZ865: **frequency bands KZ865
1281 1281  
1187 +
1282 1282  1. Packing Info
1283 1283  
1284 1284  **Package Includes**:
... ... @@ -1287,6 +1287,7 @@
1287 1287  * Stick Antenna for LoRa RF part x 1
1288 1288  * Program cable x 1
1289 1289  
1196 +
1290 1290  **Dimension and weight**:
1291 1291  
1292 1292  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1294,6 +1294,7 @@
1294 1294  * Package Size / pcs : 14.5 x 8 x 5 cm
1295 1295  * Weight / pcs : 170g
1296 1296  
1204 +
1297 1297  1. Support
1298 1298  
1299 1299  * 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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