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Last modified by Xiaoling on 2025/04/23 15:57
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edited by Xiaoling
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To version 6.1
edited by Xiaoling
on 2022/05/19 17:41
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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**
... ... @@ -425,180 +425,140 @@
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 -1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
396 +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  
448 -2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
449 449  
405 +1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
406 +
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 -**Examples:**
424 +Examples:
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 -
474 474  * Grab a section.
475 475  
476 -[[image:1653271648378-342.png||height="326" width="720"]]
432 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
477 477  
478 -
479 479  * Grab different sections.
480 480  
481 -[[image:1653271657255-576.png||height="305" width="730"]]
436 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
482 482  
483 -(((
484 -(% style="color:red" %)**Note:**
485 -)))
486 486  
487 -(((
439 +Note:
440 +
488 488  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.
489 -)))
490 490  
491 -(((
492 -**Example:**
493 -)))
443 +Example:
494 494  
495 -(((
496 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
497 -)))
445 +AT+COMMAND1=11 01 1E D0,0
498 498  
499 -(((
500 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
501 -)))
447 +AT+SEARCH1=1,1E 56 34
502 502  
503 -(((
504 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
505 -)))
449 +AT+DATACUT1=0,2,1~~5
506 506  
507 -(((
508 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
509 -)))
451 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
510 510  
511 -(((
512 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
513 -)))
453 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
514 514  
515 -(((
516 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
517 -)))
455 +Valid payload after DataCUT command: 2e 30 58 5f 36
518 518  
519 -[[image:1653271763403-806.png]]
457 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
520 520  
521 521  
522 -=== 3.3.4 Compose the uplink payload ===
523 523  
524 -(((
461 +
462 +1.
463 +11.
464 +111. Compose the uplink payload
465 +
525 525  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.**
526 -)))
527 527  
528 -(((
529 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
530 -)))
531 531  
532 -(((
533 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
534 -)))
469 +**Examples: AT+DATAUP=0**
535 535  
536 -(((
471 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
472 +
537 537  Final Payload is
538 -)))
539 539  
540 -(((
541 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
542 -)))
475 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
543 543  
544 -(((
545 545  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
546 -)))
547 547  
548 -[[image:1653272787040-634.png||height="515" width="719"]]
479 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
549 549  
550 550  
551 551  
552 -(((
553 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
483 +**Examples: AT+DATAUP=1**
554 554  
555 -
556 -)))
485 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
557 557  
558 -(((
559 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
560 -)))
561 -
562 -(((
563 563  Final Payload is
564 -)))
565 565  
566 -(((
567 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
568 -)))
489 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
569 569  
570 -1. (((
571 -Battery Info (2 bytes): Battery voltage
572 -)))
573 -1. (((
574 -PAYVER (1 byte): Defined by AT+PAYVER
575 -)))
576 -1. (((
577 -PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
578 -)))
579 -1. (((
580 -PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
581 -)))
582 -1. (((
583 -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
584 -)))
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
585 585  
586 -[[image:1653272817147-600.png||height="437" width="717"]]
497 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
587 587  
499 +
588 588  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
589 589  
590 -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
591 591  
592 -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
593 593  
594 -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
595 595  
508 +
509 +
596 596  Below are the uplink payloads:
597 597  
598 -[[image:1653272901032-107.png]]
512 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
599 599  
600 600  
601 -(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
515 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
602 602  
603 603   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
604 604  
... ... @@ -608,121 +608,91 @@
608 608  
609 609   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
610 610  
611 -=== 3.3.5 Uplink on demand ===
612 612  
613 -(((
526 +
527 +1.
528 +11.
529 +111. Uplink on demand
530 +
614 614  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.
615 -)))
616 616  
617 -(((
618 618  Downlink control command:
619 -)))
620 620  
621 -(((
622 -**0x08 command**: Poll an uplink with current command set in RS485-BL.
623 -)))
535 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
624 624  
625 -(((
626 -**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
627 -)))
537 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
628 628  
629 -=== 3.3.6 Uplink on Interrupt ===
630 630  
631 -Put the interrupt sensor between 3.3v_out and GPIO ext.
632 632  
633 -[[image:1653273818896-432.png]]
541 +1.
542 +11.
543 +111. Uplink on Interrupt
634 634  
635 -(((
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 +
636 636  AT+INTMOD=0  Disable Interrupt
637 -)))
638 638  
639 -(((
640 640  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
641 -)))
642 642  
643 -(((
644 644  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
645 -)))
646 646  
647 -(((
648 648  AT+INTMOD=3  Interrupt trigger by rising edge.
649 -)))
650 650  
651 -== 3.4 Uplink Payload ==
652 652  
653 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
654 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
655 -|Value|(% style="width:130px" %)(((
656 -(((
556 +1.
557 +11. Uplink Payload
558 +
559 +
560 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
561 +|Value|(((
657 657  Battery(mV)
658 -)))
659 659  
660 -(((
661 661  &
662 -)))
663 663  
664 -(((
665 665  Interrupt _Flag
666 -)))
667 -)))|(% style="width:93px" %)(((
567 +)))|(((
668 668  PAYLOAD_VER
669 669  
670 670  
671 -)))|(% 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.
672 672  
673 673  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
674 674  
675 -(((
575 +
676 676  function Decoder(bytes, port) {
677 -)))
678 678  
679 -(((
680 680  ~/~/Payload Formats of RS485-BL Deceive
681 -)))
682 682  
683 -(((
684 684  return {
685 -)))
686 686  
687 -(((
688 688   ~/~/Battery,units:V
689 -)))
690 690  
691 -(((
692 692   BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
693 -)))
694 694  
695 -(((
696 696   ~/~/GPIO_EXTI 
697 -)))
698 698  
699 -(((
700 700   EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
701 -)))
702 702  
703 -(((
704 704   ~/~/payload of version
705 -)))
706 706  
707 -(((
708 708   Pay_ver:bytes[2],
709 -)))
710 710  
711 -(((
712 712   };
713 -)))
714 714  
715 -(((
716 716   }
717 -)))
718 718  
719 -(((
598 +
599 +
600 +
601 +
602 +
603 +
720 720  TTN V3 uplink screen shot.
721 -)))
722 722  
723 -[[image:1653274001211-372.png||height="192" width="732"]]
606 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
724 724  
725 -== 3.5 Configure RS485-BL via AT or Downlink ==
608 +1.
609 +11. Configure RS485-BL via AT or Downlink
726 726  
727 727  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
728 728  
... ... @@ -732,17 +732,20 @@
732 732  
733 733  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
734 734  
735 -1.
736 -11.
619 +
620 +1.
621 +11.
737 737  111. Common Commands:
738 738  
624 +
739 739  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]]
740 740  
741 741  
742 -1.
743 -11.
628 +1.
629 +11.
744 744  111. Sensor related commands:
745 745  
632 +
746 746  ==== Choose Device Type (RS485 or TTL) ====
747 747  
748 748  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -783,6 +783,7 @@
783 783  * XX XX XX XX: RS485 command total NN bytes
784 784  * 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
785 785  
673 +
786 786  **Example 1:**
787 787  
788 788  To connect a Modbus Alarm with below commands.
... ... @@ -891,6 +891,7 @@
891 891  
892 892  * AT+MBFUN=0: Disable Modbus fast reading.
893 893  
782 +
894 894  Example:
895 895  
896 896  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -975,7 +975,7 @@
975 975  
976 976  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 977  
978 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
979 979  
980 980  
981 981  
... ... @@ -1019,6 +1019,7 @@
1019 1019  * A7 01 00 60   same as AT+BAUDR=9600
1020 1020  * A7 01 04 80  same as AT+BAUDR=115200
1021 1021  
911 +
1022 1022  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1023 1023  
1024 1024  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -1046,18 +1046,20 @@
1046 1046  
1047 1047  
1048 1048  
1049 -1.
939 +1.
1050 1050  11. Buttons
1051 1051  
942 +
1052 1052  |**Button**|**Feature**
1053 1053  |**RST**|Reboot RS485-BL
1054 1054  
1055 -1.
946 +
947 +1.
1056 1056  11. +3V3 Output
1057 1057  
1058 1058  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1059 1059  
1060 -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.
1061 1061  
1062 1062  
1063 1063  The +3V3 output time can be controlled by AT Command.
... ... @@ -1070,12 +1070,12 @@
1070 1070  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1071 1071  
1072 1072  
1073 -1.
965 +1.
1074 1074  11. +5V Output
1075 1075  
1076 1076  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1077 1077  
1078 -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.
1079 1079  
1080 1080  
1081 1081  The 5V output time can be controlled by AT Command.
... ... @@ -1090,13 +1090,14 @@
1090 1090  
1091 1091  
1092 1092  
1093 -1.
985 +1.
1094 1094  11. LEDs
1095 1095  
1096 1096  |**LEDs**|**Feature**
1097 1097  |**LED1**|Blink when device transmit a packet.
1098 1098  
1099 -1.
991 +
992 +1.
1100 1100  11. Switch Jumper
1101 1101  
1102 1102  |**Switch Jumper**|**Feature**
... ... @@ -1117,6 +1117,7 @@
1117 1117  
1118 1118  1. Case Study
1119 1119  
1013 +
1120 1120  User can check this URL for some case studies.
1121 1121  
1122 1122  [[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]]
... ... @@ -1142,7 +1142,7 @@
1142 1142  
1143 1143  
1144 1144  
1145 -1.
1039 +1.
1146 1146  11. Common AT Command Sequence
1147 1147  111. Multi-channel ABP mode (Use with SX1301/LG308)
1148 1148  
... ... @@ -1161,8 +1161,8 @@
1161 1161  
1162 1162  ATZ
1163 1163  
1164 -1.
1165 -11.
1058 +1.
1059 +11.
1166 1166  111. Single-channel ABP mode (Use with LG01/LG02)
1167 1167  
1168 1168  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1204,6 +1204,7 @@
1204 1204  * For bug fix
1205 1205  * Change LoRaWAN bands.
1206 1206  
1101 +
1207 1207  Below shows the hardware connection for how to upload an image to RS485-BL:
1208 1208  
1209 1209  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1237,7 +1237,7 @@
1237 1237  [[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]]
1238 1238  
1239 1239  
1240 -1.
1135 +1.
1241 1241  11. How to change the LoRa Frequency Bands/Region?
1242 1242  
1243 1243  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1244,9 +1244,10 @@
1244 1244  
1245 1245  
1246 1246  
1247 -1.
1142 +1.
1248 1248  11. How many RS485-Slave can RS485-BL connects?
1249 1249  
1145 +
1250 1250  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]].
1251 1251  
1252 1252  
... ... @@ -1257,11 +1257,11 @@
1257 1257  
1258 1258  Please see this link for debug:
1259 1259  
1260 -[[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]]
1261 1261  
1262 1262  
1263 1263  
1264 -1.
1160 +1.
1265 1265  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1266 1266  
1267 1267  It might about the channels mapping. Please see for detail.
... ... @@ -1272,6 +1272,7 @@
1272 1272  
1273 1273  1. Order Info
1274 1274  
1171 +
1275 1275  **Part Number: RS485-BL-XXX**
1276 1276  
1277 1277  **XXX:**
... ... @@ -1287,6 +1287,7 @@
1287 1287  * **RU864**: frequency bands RU864
1288 1288  * **KZ865: **frequency bands KZ865
1289 1289  
1187 +
1290 1290  1. Packing Info
1291 1291  
1292 1292  **Package Includes**:
... ... @@ -1295,6 +1295,7 @@
1295 1295  * Stick Antenna for LoRa RF part x 1
1296 1296  * Program cable x 1
1297 1297  
1196 +
1298 1298  **Dimension and weight**:
1299 1299  
1300 1300  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1302,6 +1302,7 @@
1302 1302  * Package Size / pcs : 14.5 x 8 x 5 cm
1303 1303  * Weight / pcs : 170g
1304 1304  
1204 +
1305 1305  1. Support
1306 1306  
1307 1307  * 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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