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

From version 40.15
edited by Xiaoling
on 2022/06/06 09:36
Change comment: There is no comment for this version
To version 41.36
edited by Xiaoling
on 2022/06/06 11:20
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
... ... @@ -128,29 +128,47 @@
128 128  (((
129 129  
130 130  
127 +(((
131 131  v1.4
132 132  )))
130 +)))
133 133  
134 134  (((
133 +(((
135 135  ~1. Change Power IC to TPS22916
136 136  )))
136 +)))
137 137  
138 +(((
139 +
140 +)))
138 138  
139 139  (((
143 +(((
140 140  v1.3
141 141  )))
146 +)))
142 142  
143 143  (((
149 +(((
144 144  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
145 145  )))
152 +)))
146 146  
154 +(((
155 +
156 +)))
147 147  
148 148  (((
159 +(((
149 149  v1.2
150 150  )))
162 +)))
151 151  
152 152  (((
165 +(((
153 153  Release version ​​​​​
167 +)))
154 154  
155 155  
156 156  )))
... ... @@ -244,82 +244,132 @@
244 244  
245 245  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
246 246  
261 +(((
247 247  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
263 +)))
248 248  
265 +(((
249 249  **~1. RS485-MODBUS mode:**
267 +)))
250 250  
269 +(((
251 251  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
271 +)))
252 252  
273 +(((
253 253  **2. TTL mode:**
275 +)))
254 254  
277 +(((
255 255  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
279 +)))
256 256  
281 +(((
257 257  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 +)))
258 258  
259 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
260 -|(((
285 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
286 +|=(% style="width: 120px;" %)(((
287 +(((
261 261  **AT Commands**
262 -)))|(% style="width:285px" %)(((
289 +)))
290 +)))|=(% style="width: 190px;" %)(((
291 +(((
263 263  **Description**
264 -)))|(% style="width:347px" %)(((
293 +)))
294 +)))|=(% style="width: 190px;" %)(((
295 +(((
265 265  **Example**
266 266  )))
267 -|(((
298 +)))
299 +|(% style="width:120px" %)(((
300 +(((
268 268  AT+BAUDR
269 -)))|(% style="width:285px" %)(((
302 +)))
303 +)))|(% style="width:190px" %)(((
304 +(((
270 270  Set the baud rate (for RS485 connection). Default Value is: 9600.
271 -)))|(% style="width:347px" %)(((
306 +)))
307 +)))|(% style="width:190px" %)(((
272 272  (((
309 +(((
273 273  AT+BAUDR=9600
274 274  )))
312 +)))
275 275  
276 276  (((
315 +(((
277 277  Options: (1200,2400,4800,14400,19200,115200)
278 278  )))
279 279  )))
280 -|(((
319 +)))
320 +|(% style="width:120px" %)(((
321 +(((
281 281  AT+PARITY
282 -)))|(% style="width:285px" %)(((
323 +)))
324 +)))|(% style="width:190px" %)(((
283 283  (((
326 +(((
284 284  Set UART parity (for RS485 connection)
285 285  )))
329 +)))
286 286  
287 287  (((
332 +(((
288 288  Default Value is: no parity.
289 289  )))
290 -)))|(% style="width:347px" %)(((
335 +)))
336 +)))|(% style="width:190px" %)(((
291 291  (((
338 +(((
292 292  AT+PARITY=0
293 293  )))
341 +)))
294 294  
295 295  (((
344 +(((
296 296  Option: 0: no parity, 1: odd parity, 2: even parity
297 297  )))
298 298  )))
299 -|(((
348 +)))
349 +|(% style="width:120px" %)(((
350 +(((
300 300  AT+STOPBIT
301 -)))|(% style="width:285px" %)(((
352 +)))
353 +)))|(% style="width:190px" %)(((
302 302  (((
355 +(((
303 303  Set serial stopbit (for RS485 connection)
304 304  )))
358 +)))
305 305  
306 306  (((
361 +(((
307 307  Default Value is: 1bit.
308 308  )))
309 -)))|(% style="width:347px" %)(((
364 +)))
365 +)))|(% style="width:190px" %)(((
310 310  (((
367 +(((
311 311  AT+STOPBIT=0 for 1bit
312 312  )))
370 +)))
313 313  
314 314  (((
373 +(((
315 315  AT+STOPBIT=1 for 1.5 bit
316 316  )))
376 +)))
317 317  
318 318  (((
379 +(((
319 319  AT+STOPBIT=2 for 2 bits
320 320  )))
321 321  )))
383 +)))
322 322  
385 +
386 +
323 323  === 3.3.2 Configure sensors ===
324 324  
325 325  (((
... ... @@ -330,19 +330,20 @@
330 330  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.
331 331  )))
332 332  
333 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
334 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
335 -|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" %)(((
336 336  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
337 337  
338 338  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
339 339  
340 340  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
341 -)))|(% 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
342 342  
343 343  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
344 344  
345 345  
410 +
346 346  === 3.3.3 Configure read commands for each sampling ===
347 347  
348 348  (((
... ... @@ -409,117 +409,213 @@
409 409  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
410 410  )))
411 411  
477 +(((
412 412  **Examples:**
479 +)))
413 413  
481 +(((
414 414  Below are examples for the how above AT Commands works.
483 +)))
415 415  
485 +(((
416 416  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
487 +)))
417 417  
418 -(% 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" %)
419 419  |(% style="width:498px" %)(((
491 +(((
420 420  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
493 +)))
421 421  
495 +(((
422 422  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
497 +)))
423 423  
499 +(((
424 424  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
425 425  )))
502 +)))
426 426  
504 +(((
427 427  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 +)))
428 428  
508 +(((
429 429  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
510 +)))
430 430  
512 +(((
513 +
514 +)))
515 +
516 +(((
431 431  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
518 +)))
432 432  
433 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
520 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
434 434  |(% style="width:577px" %)(((
522 +(((
435 435  **AT+SEARCHx=aa,xx xx xx xx xx**
524 +)))
436 436  
437 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
438 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
526 +* (((
527 +**aa: 1: prefix match mode; 2: prefix and suffix match mode**
439 439  )))
529 +* (((
530 +**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
531 +)))
532 +)))
440 440  
534 +(((
441 441  **Examples:**
536 +)))
442 442  
538 +(((
443 443  1)For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
540 +)))
444 444  
542 +(((
445 445  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
544 +)))
446 446  
546 +(((
447 447  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**
548 +)))
448 448  
550 +(((
449 449  [[image:1653271044481-711.png]]
552 +)))
450 450  
554 +(((
451 451  2)For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
556 +)))
452 452  
558 +(((
453 453  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
560 +)))
454 454  
562 +(((
455 455  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**
564 +)))
456 456  
566 +(((
457 457  [[image:1653271276735-972.png]]
568 +)))
458 458  
570 +(((
459 459  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
572 +)))
460 460  
461 -(% style="background-color:#4f81bd; color:white; width:729px" %)
574 +(% style="background-color:#4f81bd; color:white; width:510px" %)
462 462  |(% style="width:726px" %)(((
576 +(((
463 463  **AT+DATACUTx=a,b,c**
578 +)))
464 464  
465 -* **a: length for the return of AT+COMMAND**
466 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
467 -* **c: define the position for valid value.  **
580 +* (((
581 +**a: length for the return of AT+COMMAND**
468 468  )))
583 +* (((
584 +**b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
585 +)))
586 +* (((
587 +**c: define the position for valid value.  **
588 +)))
589 +)))
469 469  
591 +(((
470 470  **Examples:**
593 +)))
471 471  
472 -* Grab bytes:
595 +* (((
596 +Grab bytes:
597 +)))
473 473  
599 +(((
474 474  [[image:1653271581490-837.png||height="313" width="722"]]
601 +)))
475 475  
603 +(((
604 +
605 +)))
476 476  
477 -* Grab a section.
607 +* (((
608 +Grab a section.
609 +)))
478 478  
611 +(((
479 479  [[image:1653271648378-342.png||height="326" width="720"]]
613 +)))
480 480  
615 +(((
616 +
617 +)))
481 481  
482 -* Grab different sections.
619 +* (((
620 +Grab different sections.
621 +)))
483 483  
623 +(((
484 484  [[image:1653271657255-576.png||height="305" width="730"]]
625 +)))
485 485  
486 486  (((
628 +(((
487 487  (% style="color:red" %)**Note:**
488 488  )))
631 +)))
489 489  
490 490  (((
634 +(((
491 491  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.
492 492  )))
637 +)))
493 493  
494 494  (((
640 +(((
495 495  **Example:**
496 496  )))
643 +)))
497 497  
498 498  (((
646 +(((
499 499  (% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
500 500  )))
649 +)))
501 501  
502 502  (((
652 +(((
503 503  (% style="color:red" %)AT+SEARCH1=1,1E 56 34
504 504  )))
655 +)))
505 505  
506 506  (((
658 +(((
507 507  (% style="color:red" %)AT+DATACUT1=0,2,1~~5
508 508  )))
661 +)))
509 509  
510 510  (((
664 +(((
511 511  (% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
512 512  )))
667 +)))
513 513  
514 514  (((
670 +(((
515 515  (% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
516 516  )))
673 +)))
517 517  
518 518  (((
676 +(((
519 519  (% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
520 520  )))
679 +)))
521 521  
681 +(((
522 522  [[image:1653271763403-806.png]]
683 +)))
523 523  
524 524  
525 525  === 3.3.4 Compose the uplink payload ===
... ... @@ -526,10 +526,14 @@
526 526  
527 527  (((
528 528  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.**
690 +
691 +
529 529  )))
530 530  
531 531  (((
532 532  (% style="color:#037691" %)**Examples: AT+DATAUP=0**
696 +
697 +
533 533  )))
534 534  
535 535  (((
... ... @@ -662,26 +662,8 @@
662 662  
663 663  == 3.4 Uplink Payload ==
664 664  
665 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
666 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
667 -|Value|(% style="width:130px" %)(((
668 -(((
669 -Battery(mV)
670 -)))
830 +[[image:image-20220606105412-1.png]]
671 671  
672 -(((
673 -&
674 -)))
675 -
676 -(((
677 -Interrupt _Flag
678 -)))
679 -)))|(% style="width:93px" %)(((
680 -PAYLOAD_VER
681 -
682 -
683 -)))|(% 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.
684 -
685 685  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
686 686  
687 687  (((
... ... @@ -725,7 +725,7 @@
725 725  )))
726 726  
727 727  (((
728 -}
875 +{{{}}}}
729 729  
730 730  
731 731  )))
... ... @@ -739,13 +739,21 @@
739 739  
740 740  == 3.5 Configure RS485-BL via AT or Downlink ==
741 741  
889 +(((
742 742  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
891 +)))
743 743  
893 +(((
744 744  There are two kinds of Commands:
895 +)))
745 745  
746 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
897 +* (((
898 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
899 +)))
747 747  
748 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
901 +* (((
902 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
903 +)))
749 749  
750 750  
751 751  
... ... @@ -757,6 +757,7 @@
757 757  === 3.5.2 Sensor related commands: ===
758 758  
759 759  
915 +
760 760  ==== **Choose Device Type (RS485 or TTL)** ====
761 761  
762 762  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -780,57 +780,109 @@
780 780  
781 781  
782 782  
939 +
783 783  ==== **RS485 Debug Command (AT+CFGDEV)** ====
784 784  
942 +(((
785 785  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
944 +)))
786 786  
787 -* **AT Command**
946 +* (((
947 +**AT Command**
948 +)))
788 788  
789 789  (% class="box infomessage" %)
790 790  (((
952 +(((
791 791  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
792 792  )))
955 +)))
793 793  
957 +(((
794 794  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
959 +)))
795 795  
961 +(((
962 +
963 +)))
796 796  
797 -* **Downlink Payload**
965 +* (((
966 +**Downlink Payload**
967 +)))
798 798  
969 +(((
799 799  Format: A8 MM NN XX XX XX XX YY
971 +)))
800 800  
973 +(((
801 801  Where:
975 +)))
802 802  
803 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
804 -* NN: The length of RS485 command
805 -* XX XX XX XX: RS485 command total NN bytes
806 -* 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
977 +* (((
978 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
979 +)))
980 +* (((
981 +NN: The length of RS485 command
982 +)))
983 +* (((
984 +XX XX XX XX: RS485 command total NN bytes
985 +)))
986 +* (((
987 +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
988 +)))
807 807  
990 +(((
808 808  **Example 1:**
992 +)))
809 809  
994 +(((
810 810  To connect a Modbus Alarm with below commands.
996 +)))
811 811  
812 -* The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
998 +* (((
999 +The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
1000 +)))
813 813  
814 -* The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
1002 +* (((
1003 +The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
1004 +)))
815 815  
1006 +(((
816 816  So if user want to use downlink command to control to RS485 Alarm, he can use:
1008 +)))
817 817  
1010 +(((
818 818  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1012 +)))
819 819  
1014 +(((
820 820  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1016 +)))
821 821  
1018 +(((
822 822  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
1020 +)))
823 823  
1022 +(((
1023 +
1024 +)))
824 824  
1026 +(((
825 825  **Example 2:**
1028 +)))
826 826  
1030 +(((
827 827  Check TTL Sensor return:
1032 +)))
828 828  
1034 +(((
829 829  [[image:1654132684752-193.png]]
1036 +)))
830 830  
831 831  
832 832  
833 833  
1041 +
834 834  ==== **Set Payload version** ====
835 835  
836 836  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
... ... @@ -851,87 +851,171 @@
851 851  
852 852  
853 853  
1062 +
854 854  ==== **Set RS485 Sampling Commands** ====
855 855  
1065 +(((
856 856  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1067 +)))
857 857  
1069 +(((
858 858  These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1071 +)))
859 859  
1073 +(((
1074 +
1075 +)))
860 860  
861 -* **AT Command:**
1077 +* (((
1078 +**AT Command:**
1079 +)))
862 862  
863 863  (% class="box infomessage" %)
864 864  (((
1083 +(((
865 865  **AT+COMMANDx: Configure RS485 read command to sensor.**
866 866  )))
1086 +)))
867 867  
868 868  (% class="box infomessage" %)
869 869  (((
1090 +(((
870 870  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
871 871  )))
1093 +)))
872 872  
873 873  (% class="box infomessage" %)
874 874  (((
1097 +(((
875 875  **AT+SEARCHx: Configure search command**
876 876  )))
1100 +)))
877 877  
1102 +(((
1103 +
1104 +)))
878 878  
879 -* **Downlink Payload:**
1106 +* (((
1107 +**Downlink Payload:**
1108 +)))
880 880  
1110 +(((
881 881  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1112 +)))
882 882  
1114 +(((
883 883  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1116 +)))
884 884  
1118 +(((
885 885  Format: AF MM NN LL XX XX XX XX YY
1120 +)))
886 886  
1122 +(((
887 887  Where:
1124 +)))
888 888  
889 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
890 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
891 -* LL:  The length of AT+COMMAND or AT+DATACUT command
892 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
893 -* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
1126 +* (((
1127 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1128 +)))
1129 +* (((
1130 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1131 +)))
1132 +* (((
1133 +LL:  The length of AT+COMMAND or AT+DATACUT command
1134 +)))
1135 +* (((
1136 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
1137 +)))
1138 +* (((
1139 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
1140 +)))
894 894  
1142 +(((
895 895  **Example:**
1144 +)))
896 896  
1146 +(((
897 897  (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
1148 +)))
898 898  
1150 +(((
899 899  (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
1152 +)))
900 900  
1154 +(((
901 901  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
1156 +)))
902 902  
1158 +(((
1159 +
1160 +)))
903 903  
1162 +(((
904 904  **0xAB** downlink command can be used for set AT+SEARCHx
1164 +)))
905 905  
1166 +(((
906 906  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1168 +)))
907 907  
908 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
909 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
1170 +* (((
1171 +AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1172 +)))
1173 +* (((
1174 +AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
1175 +)))
910 910  
1177 +(((
911 911  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1179 +)))
912 912  
913 913  
914 914  
1183 +
915 915  ==== **Fast command to handle MODBUS device** ====
916 916  
1186 +(((
917 917  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
1188 +)))
918 918  
1190 +(((
919 919  This command is valid since v1.3 firmware version
1192 +)))
920 920  
1194 +(((
1195 +
1196 +)))
921 921  
1198 +(((
922 922  **AT+MBFUN has only two value:**
1200 +)))
923 923  
924 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1202 +* (((
1203 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1204 +)))
925 925  
1206 +(((
926 926  AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
1208 +)))
927 927  
928 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1210 +* (((
1211 +**AT+MBFUN=0**: Disable Modbus fast reading.
1212 +)))
929 929  
1214 +(((
930 930  **Example:**
1216 +)))
931 931  
932 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
933 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
934 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
1218 +* (((
1219 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1220 +)))
1221 +* (((
1222 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
1223 +)))
1224 +* (((
1225 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
1226 +)))
935 935  
936 936  [[image:1654133913295-597.png]]
937 937  
... ... @@ -939,12 +939,17 @@
939 939  [[image:1654133954153-643.png]]
940 940  
941 941  
942 -* **Downlink Commands:**
1234 +* (((
1235 +**Downlink Commands:**
1236 +)))
943 943  
1238 +(((
944 944  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1240 +)))
945 945  
946 946  
947 947  
1244 +
948 948  ==== **RS485 command timeout** ====
949 949  
950 950  Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
... ... @@ -976,6 +976,7 @@
976 976  
977 977  
978 978  
1276 +
979 979  ==== **Uplink payload mode** ====
980 980  
981 981  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1003,6 +1003,7 @@
1003 1003  
1004 1004  
1005 1005  
1304 +
1006 1006  ==== **Manually trigger an Uplink** ====
1007 1007  
1008 1008  Ask device to send an uplink immediately.
... ... @@ -1013,6 +1013,7 @@
1013 1013  
1014 1014  
1015 1015  
1315 +
1016 1016  ==== **Clear RS485 Command** ====
1017 1017  
1018 1018  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
... ... @@ -1020,7 +1020,9 @@
1020 1020  
1021 1021  * **AT Command:**
1022 1022  
1323 +(((
1023 1023  (% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1325 +)))
1024 1024  
1025 1025  Example screen shot after clear all RS485 commands. 
1026 1026  
... ... @@ -1036,6 +1036,7 @@
1036 1036  
1037 1037  
1038 1038  
1341 +
1039 1039  ==== **Set Serial Communication Parameters** ====
1040 1040  
1041 1041  Set the Rs485 serial communication parameters:
... ... @@ -1079,6 +1079,7 @@
1079 1079  
1080 1080  
1081 1081  
1385 +
1082 1082  ==== **Control output power duration** ====
1083 1083  
1084 1084  User can set the output power duration before each sampling.
... ... @@ -1099,9 +1099,10 @@
1099 1099  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1100 1100  
1101 1101  
1406 +
1102 1102  == 3.6 Buttons ==
1103 1103  
1104 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1409 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1105 1105  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1106 1106  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1107 1107  
... ... @@ -1109,38 +1109,75 @@
1109 1109  
1110 1110  == 3.7 +3V3 Output ==
1111 1111  
1417 +(((
1112 1112  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1419 +)))
1113 1113  
1421 +(((
1114 1114  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. 
1423 +)))
1115 1115  
1425 +(((
1116 1116  The +3V3 output time can be controlled by AT Command.
1427 +)))
1117 1117  
1429 +(((
1430 +
1431 +)))
1118 1118  
1433 +(((
1119 1119  (% style="color:#037691" %)**AT+3V3T=1000**
1435 +)))
1120 1120  
1437 +(((
1438 +
1439 +)))
1121 1121  
1441 +(((
1122 1122  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1443 +)))
1123 1123  
1445 +(((
1124 1124  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1447 +)))
1125 1125  
1126 1126  
1127 1127  == 3.8 +5V Output ==
1128 1128  
1452 +(((
1129 1129  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1454 +)))
1130 1130  
1456 +(((
1131 1131  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. 
1458 +)))
1132 1132  
1460 +(((
1133 1133  The 5V output time can be controlled by AT Command.
1462 +)))
1134 1134  
1464 +(((
1465 +
1466 +)))
1135 1135  
1468 +(((
1136 1136  (% style="color:#037691" %)**AT+5VT=1000**
1470 +)))
1137 1137  
1472 +(((
1473 +
1474 +)))
1138 1138  
1476 +(((
1139 1139  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1478 +)))
1140 1140  
1480 +(((
1141 1141  By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1482 +)))
1142 1142  
1143 1143  
1485 +
1144 1144  == 3.9 LEDs ==
1145 1145  
1146 1146  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1164,9 +1164,13 @@
1164 1164  3.3v position: set to compatible with 3.3v I/O.,
1165 1165  )))
1166 1166  
1509 +(((
1167 1167  **+3.3V**: is always ON
1511 +)))
1168 1168  
1513 +(((
1169 1169  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1515 +)))
1170 1170  
1171 1171  
1172 1172  = 4. Case Study =
... ... @@ -1178,17 +1178,23 @@
1178 1178  
1179 1179  == 5.1 Access AT Command ==
1180 1180  
1527 +(((
1181 1181  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1529 +)))
1182 1182  
1183 1183  [[image:1654135840598-282.png]]
1184 1184  
1185 1185  
1534 +(((
1186 1186  In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1536 +)))
1187 1187  
1188 1188  [[image:1654136105500-922.png]]
1189 1189  
1190 1190  
1191 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1541 +(((
1542 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1543 +)))
1192 1192  
1193 1193  
1194 1194  == 5.2 Common AT Command Sequence ==
... ... @@ -1213,7 +1213,9 @@
1213 1213  )))
1214 1214  
1215 1215  
1568 +(((
1216 1216  If device already joined network:
1570 +)))
1217 1217  
1218 1218  (% class="box infomessage" %)
1219 1219  (((
... ... @@ -1252,10 +1252,12 @@
1252 1252  
1253 1253  (% style="color:red" %)**Note:**
1254 1254  
1609 +(((
1255 1255  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1256 1256  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1257 1257  3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1258 1258  4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1614 +)))
1259 1259  
1260 1260  [[image:1654136435598-589.png]]
1261 1261  
... ... @@ -1264,13 +1264,23 @@
1264 1264  
1265 1265  == 6.1 How to upgrade the image? ==
1266 1266  
1623 +(((
1267 1267  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1625 +)))
1268 1268  
1269 -* Support new features
1270 -* For bug fix
1271 -* Change LoRaWAN bands.
1627 +* (((
1628 +Support new features
1629 +)))
1630 +* (((
1631 +For bug fix
1632 +)))
1633 +* (((
1634 +Change LoRaWAN bands.
1635 +)))
1272 1272  
1637 +(((
1273 1273  Below shows the hardware connection for how to upload an image to RS485-BL:
1639 +)))
1274 1274  
1275 1275  [[image:1654136646995-976.png]]
1276 1276  
... ... @@ -1292,13 +1292,17 @@
1292 1292  
1293 1293  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1294 1294  
1661 +(((
1295 1295  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1663 +)))
1296 1296  
1297 1297  
1298 1298  
1299 1299  == 6.3 How many RS485-Slave can RS485-BL connects? ==
1300 1300  
1669 +(((
1301 1301  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"]].
1671 +)))
1302 1302  
1303 1303  
1304 1304  
... ... @@ -1333,6 +1333,7 @@
1333 1333  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1334 1334  
1335 1335  
1706 +
1336 1336  = 9. Packing Info =
1337 1337  
1338 1338  (((
... ... @@ -1370,5 +1370,9 @@
1370 1370  
1371 1371  = 10. Support =
1372 1372  
1373 -* 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.
1374 -* 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]]
1744 +* (((
1745 +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.
1746 +)))
1747 +* (((
1748 +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]]
1749 +)))
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