Last modified by Xiaoling on 2025/04/23 15:57

From version 40.17
edited by Xiaoling
on 2022/06/06 09:36
Change comment: There is no comment for this version
To version 40.55
edited by Xiaoling
on 2022/06/06 10:52
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -94,8 +94,6 @@
94 94  * 127 dB Dynamic Range RSSI.
95 95  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
96 96  
97 -
98 -
99 99  == 1.3 Features ==
100 100  
101 101  * LoRaWAN Class A & Class C protocol (default Class A)
... ... @@ -107,8 +107,6 @@
107 107  * Support Modbus protocol
108 108  * Support Interrupt uplink
109 109  
110 -
111 -
112 112  == 1.4 Applications ==
113 113  
114 114  * Smart Buildings & Home Automation
... ... @@ -118,8 +118,6 @@
118 118  * Smart Cities
119 119  * Smart Factory
120 120  
121 -
122 -
123 123  == 1.5 Firmware Change log ==
124 124  
125 125  [[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);"]]
... ... @@ -130,29 +130,47 @@
130 130  (((
131 131  
132 132  
127 +(((
133 133  v1.4
134 134  )))
130 +)))
135 135  
136 136  (((
133 +(((
137 137  ~1. Change Power IC to TPS22916
138 138  )))
136 +)))
139 139  
138 +(((
139 +
140 +)))
140 140  
141 141  (((
143 +(((
142 142  v1.3
143 143  )))
146 +)))
144 144  
145 145  (((
149 +(((
146 146  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
147 147  )))
152 +)))
148 148  
154 +(((
155 +
156 +)))
149 149  
150 150  (((
159 +(((
151 151  v1.2
152 152  )))
162 +)))
153 153  
154 154  (((
165 +(((
155 155  Release version ​​​​​
167 +)))
156 156  
157 157  
158 158  )))
... ... @@ -246,82 +246,132 @@
246 246  
247 247  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
248 248  
261 +(((
249 249  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
263 +)))
250 250  
265 +(((
251 251  **~1. RS485-MODBUS mode:**
267 +)))
252 252  
269 +(((
253 253  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
271 +)))
254 254  
273 +(((
255 255  **2. TTL mode:**
275 +)))
256 256  
277 +(((
257 257  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
279 +)))
258 258  
281 +(((
259 259  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.
283 +)))
260 260  
261 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
262 -|(((
285 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
286 +|=(% style="width: 120px;" %)(((
287 +(((
263 263  **AT Commands**
264 -)))|(% style="width:285px" %)(((
289 +)))
290 +)))|=(% style="width: 190px;" %)(((
291 +(((
265 265  **Description**
266 -)))|(% style="width:347px" %)(((
293 +)))
294 +)))|=(% style="width: 190px;" %)(((
295 +(((
267 267  **Example**
268 268  )))
269 -|(((
298 +)))
299 +|(% style="width:120px" %)(((
300 +(((
270 270  AT+BAUDR
271 -)))|(% style="width:285px" %)(((
302 +)))
303 +)))|(% style="width:190px" %)(((
304 +(((
272 272  Set the baud rate (for RS485 connection). Default Value is: 9600.
273 -)))|(% style="width:347px" %)(((
306 +)))
307 +)))|(% style="width:190px" %)(((
274 274  (((
309 +(((
275 275  AT+BAUDR=9600
276 276  )))
312 +)))
277 277  
278 278  (((
315 +(((
279 279  Options: (1200,2400,4800,14400,19200,115200)
280 280  )))
281 281  )))
282 -|(((
319 +)))
320 +|(% style="width:120px" %)(((
321 +(((
283 283  AT+PARITY
284 -)))|(% style="width:285px" %)(((
323 +)))
324 +)))|(% style="width:190px" %)(((
285 285  (((
326 +(((
286 286  Set UART parity (for RS485 connection)
287 287  )))
329 +)))
288 288  
289 289  (((
332 +(((
290 290  Default Value is: no parity.
291 291  )))
292 -)))|(% style="width:347px" %)(((
335 +)))
336 +)))|(% style="width:190px" %)(((
293 293  (((
338 +(((
294 294  AT+PARITY=0
295 295  )))
341 +)))
296 296  
297 297  (((
344 +(((
298 298  Option: 0: no parity, 1: odd parity, 2: even parity
299 299  )))
300 300  )))
301 -|(((
348 +)))
349 +|(% style="width:120px" %)(((
350 +(((
302 302  AT+STOPBIT
303 -)))|(% style="width:285px" %)(((
352 +)))
353 +)))|(% style="width:190px" %)(((
304 304  (((
355 +(((
305 305  Set serial stopbit (for RS485 connection)
306 306  )))
358 +)))
307 307  
308 308  (((
361 +(((
309 309  Default Value is: 1bit.
310 310  )))
311 -)))|(% style="width:347px" %)(((
364 +)))
365 +)))|(% style="width:190px" %)(((
312 312  (((
367 +(((
313 313  AT+STOPBIT=0 for 1bit
314 314  )))
370 +)))
315 315  
316 316  (((
373 +(((
317 317  AT+STOPBIT=1 for 1.5 bit
318 318  )))
376 +)))
319 319  
320 320  (((
379 +(((
321 321  AT+STOPBIT=2 for 2 bits
322 322  )))
323 323  )))
383 +)))
324 324  
385 +
386 +
325 325  === 3.3.2 Configure sensors ===
326 326  
327 327  (((
... ... @@ -332,19 +332,20 @@
332 332  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.
333 333  )))
334 334  
335 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
336 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
337 -|AT+CFGDEV|(% style="width:418px" %)(((
397 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
398 +|=(% style="width: 120px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
399 +|AT+CFGDEV|(% style="width:120px" %)(((
338 338  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
339 339  
340 340  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
341 341  
342 342  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
343 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
405 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
344 344  
345 345  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
346 346  
347 347  
410 +
348 348  === 3.3.3 Configure read commands for each sampling ===
349 349  
350 350  (((
... ... @@ -411,117 +411,209 @@
411 411  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
412 412  )))
413 413  
477 +(((
414 414  **Examples:**
479 +)))
415 415  
481 +(((
416 416  Below are examples for the how above AT Commands works.
483 +)))
417 417  
485 +(((
418 418  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
487 +)))
419 419  
420 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
489 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
421 421  |(% style="width:498px" %)(((
491 +(((
422 422  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
493 +)))
423 423  
495 +(((
424 424  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
497 +)))
425 425  
499 +(((
426 426  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
427 427  )))
502 +)))
428 428  
504 +(((
429 429  For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
506 +)))
430 430  
508 +(((
431 431  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
510 +)))
432 432  
512 +(((
433 433  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
514 +)))
434 434  
435 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
516 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
436 436  |(% style="width:577px" %)(((
518 +(((
437 437  **AT+SEARCHx=aa,xx xx xx xx xx**
520 +)))
438 438  
439 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
440 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
522 +* (((
523 +**aa: 1: prefix match mode; 2: prefix and suffix match mode**
441 441  )))
525 +* (((
526 +**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
527 +)))
528 +)))
442 442  
530 +(((
443 443  **Examples:**
532 +)))
444 444  
534 +(((
445 445  1)For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
536 +)))
446 446  
538 +(((
447 447  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
540 +)))
448 448  
542 +(((
449 449  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**
544 +)))
450 450  
546 +(((
451 451  [[image:1653271044481-711.png]]
548 +)))
452 452  
550 +(((
453 453  2)For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
552 +)))
454 454  
554 +(((
455 455  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
556 +)))
456 456  
558 +(((
457 457  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**
560 +)))
458 458  
562 +(((
459 459  [[image:1653271276735-972.png]]
564 +)))
460 460  
566 +(((
461 461  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
568 +)))
462 462  
463 -(% style="background-color:#4f81bd; color:white; width:729px" %)
570 +(% style="background-color:#4f81bd; color:white; width:510px" %)
464 464  |(% style="width:726px" %)(((
572 +(((
465 465  **AT+DATACUTx=a,b,c**
574 +)))
466 466  
467 -* **a: length for the return of AT+COMMAND**
468 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
469 -* **c: define the position for valid value.  **
576 +* (((
577 +**a: length for the return of AT+COMMAND**
470 470  )))
579 +* (((
580 +**b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
581 +)))
582 +* (((
583 +**c: define the position for valid value.  **
584 +)))
585 +)))
471 471  
587 +(((
472 472  **Examples:**
589 +)))
473 473  
474 -* Grab bytes:
591 +* (((
592 +Grab bytes:
593 +)))
475 475  
595 +(((
476 476  [[image:1653271581490-837.png||height="313" width="722"]]
597 +)))
477 477  
599 +(((
600 +
601 +)))
478 478  
479 -* Grab a section.
603 +* (((
604 +Grab a section.
605 +)))
480 480  
607 +(((
481 481  [[image:1653271648378-342.png||height="326" width="720"]]
609 +)))
482 482  
611 +(((
612 +
613 +)))
483 483  
484 -* Grab different sections.
615 +* (((
616 +Grab different sections.
617 +)))
485 485  
619 +(((
486 486  [[image:1653271657255-576.png||height="305" width="730"]]
621 +)))
487 487  
488 488  (((
624 +(((
489 489  (% style="color:red" %)**Note:**
490 490  )))
627 +)))
491 491  
492 492  (((
630 +(((
493 493  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.
494 494  )))
633 +)))
495 495  
496 496  (((
636 +(((
497 497  **Example:**
498 498  )))
639 +)))
499 499  
500 500  (((
642 +(((
501 501  (% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
502 502  )))
645 +)))
503 503  
504 504  (((
648 +(((
505 505  (% style="color:red" %)AT+SEARCH1=1,1E 56 34
506 506  )))
651 +)))
507 507  
508 508  (((
654 +(((
509 509  (% style="color:red" %)AT+DATACUT1=0,2,1~~5
510 510  )))
657 +)))
511 511  
512 512  (((
660 +(((
513 513  (% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
514 514  )))
663 +)))
515 515  
516 516  (((
666 +(((
517 517  (% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
518 518  )))
669 +)))
519 519  
520 520  (((
672 +(((
521 521  (% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
522 522  )))
675 +)))
523 523  
677 +(((
524 524  [[image:1653271763403-806.png]]
679 +)))
525 525  
526 526  
527 527  === 3.3.4 Compose the uplink payload ===
... ... @@ -528,10 +528,14 @@
528 528  
529 529  (((
530 530  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.**
686 +
687 +
531 531  )))
532 532  
533 533  (((
534 534  (% style="color:#037691" %)**Examples: AT+DATAUP=0**
692 +
693 +
535 535  )))
536 536  
537 537  (((
... ... @@ -727,7 +727,7 @@
727 727  )))
728 728  
729 729  (((
730 -}
889 +**}**
731 731  
732 732  
733 733  )))
... ... @@ -749,8 +749,6 @@
749 749  
750 750  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
751 751  
752 -
753 -
754 754  === 3.5.1 Common Commands: ===
755 755  
756 756  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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
... ... @@ -1005,6 +1005,7 @@
1005 1005  
1006 1006  
1007 1007  
1165 +
1008 1008  ==== **Manually trigger an Uplink** ====
1009 1009  
1010 1010  Ask device to send an uplink immediately.
... ... @@ -1015,6 +1015,7 @@
1015 1015  
1016 1016  
1017 1017  
1176 +
1018 1018  ==== **Clear RS485 Command** ====
1019 1019  
1020 1020  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
... ... @@ -1101,6 +1101,7 @@
1101 1101  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1102 1102  
1103 1103  
1263 +
1104 1104  == 3.6 Buttons ==
1105 1105  
1106 1106  (% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
... ... @@ -1107,8 +1107,6 @@
1107 1107  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1108 1108  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1109 1109  
1110 -
1111 -
1112 1112  == 3.7 +3V3 Output ==
1113 1113  
1114 1114  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1149,8 +1149,6 @@
1149 1149  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1150 1150  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1151 1151  
1152 -
1153 -
1154 1154  == 3.10 Switch Jumper ==
1155 1155  
1156 1156  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1190,7 +1190,7 @@
1190 1190  [[image:1654136105500-922.png]]
1191 1191  
1192 1192  
1193 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1349 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1194 1194  
1195 1195  
1196 1196  == 5.2 Common AT Command Sequence ==
... ... @@ -1294,13 +1294,17 @@
1294 1294  
1295 1295  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1296 1296  
1453 +(((
1297 1297  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1455 +)))
1298 1298  
1299 1299  
1300 1300  
1301 1301  == 6.3 How many RS485-Slave can RS485-BL connects? ==
1302 1302  
1461 +(((
1303 1303  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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1463 +)))
1304 1304  
1305 1305  
1306 1306  
... ... @@ -1334,7 +1334,6 @@
1334 1334  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1335 1335  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1336 1336  
1337 -
1338 1338  = 9. Packing Info =
1339 1339  
1340 1340  (((
... ... @@ -1372,5 +1372,9 @@
1372 1372  
1373 1373  = 10. Support =
1374 1374  
1375 -* 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.
1376 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1534 +* (((
1535 +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.
1536 +)))
1537 +* (((
1538 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1539 +)))