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Last modified by Xiaoling on 2025/04/23 15:57
From version 40.47
edited by Xiaoling
on 2022/06/06 10:32
Change comment: There is no comment for this version
To version 42.3
edited by Xiaoling
on 2022/06/06 12:01
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -283,28 +283,28 @@
283 283  )))
284 284  
285 285  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
286 -|=(% style="width: 120px;" %)(((
286 +|=(% style="width: 80px;" %)(((
287 287  (((
288 288  **AT Commands**
289 289  )))
290 -)))|=(% style="width: 190px;" %)(((
290 +)))|=(% style="width: 210px;" %)(((
291 291  (((
292 292  **Description**
293 293  )))
294 -)))|=(% style="width: 190px;" %)(((
294 +)))|=(% style="width: 2100px;" %)(((
295 295  (((
296 296  **Example**
297 297  )))
298 298  )))
299 -|(% style="width:120px" %)(((
299 +|(% style="width:80px" %)(((
300 300  (((
301 301  AT+BAUDR
302 302  )))
303 -)))|(% style="width:190px" %)(((
303 +)))|(% style="width:210px" %)(((
304 304  (((
305 305  Set the baud rate (for RS485 connection). Default Value is: 9600.
306 306  )))
307 -)))|(% style="width:190px" %)(((
307 +)))|(% style="width:210px" %)(((
308 308  (((
309 309  (((
310 310  AT+BAUDR=9600
... ... @@ -317,11 +317,11 @@
317 317  )))
318 318  )))
319 319  )))
320 -|(% style="width:120px" %)(((
320 +|(% style="width:80px" %)(((
321 321  (((
322 322  AT+PARITY
323 323  )))
324 -)))|(% style="width:190px" %)(((
324 +)))|(% style="width:210px" %)(((
325 325  (((
326 326  (((
327 327  Set UART parity (for RS485 connection)
... ... @@ -333,7 +333,7 @@
333 333  Default Value is: no parity.
334 334  )))
335 335  )))
336 -)))|(% style="width:190px" %)(((
336 +)))|(% style="width:210px" %)(((
337 337  (((
338 338  (((
339 339  AT+PARITY=0
... ... @@ -346,11 +346,11 @@
346 346  )))
347 347  )))
348 348  )))
349 -|(% style="width:120px" %)(((
349 +|(% style="width:80px" %)(((
350 350  (((
351 351  AT+STOPBIT
352 352  )))
353 -)))|(% style="width:190px" %)(((
353 +)))|(% style="width:210px" %)(((
354 354  (((
355 355  (((
356 356  Set serial stopbit (for RS485 connection)
... ... @@ -362,7 +362,7 @@
362 362  Default Value is: 1bit.
363 363  )))
364 364  )))
365 -)))|(% style="width:190px" %)(((
365 +)))|(% style="width:210px" %)(((
366 366  (((
367 367  (((
368 368  AT+STOPBIT=0 for 1bit
... ... @@ -382,8 +382,6 @@
382 382  )))
383 383  )))
384 384  
385 -
386 -
387 387  === 3.3.2 Configure sensors ===
388 388  
389 389  (((
... ... @@ -394,19 +394,20 @@
394 394  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.
395 395  )))
396 396  
397 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
398 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
399 -|AT+CFGDEV|(% style="width:418px" %)(((
395 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
396 +|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
397 +|AT+CFGDEV|(% style="width:80px" %)(((
400 400  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
401 401  
402 402  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
403 403  
404 404  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
405 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
403 +)))|(% style="width:210px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
406 406  
407 407  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
408 408  
409 409  
408 +
410 410  === 3.3.3 Configure read commands for each sampling ===
411 411  
412 412  (((
... ... @@ -473,117 +473,213 @@
473 473  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
474 474  )))
475 475  
475 +(((
476 476  **Examples:**
477 +)))
477 477  
479 +(((
478 478  Below are examples for the how above AT Commands works.
481 +)))
479 479  
483 +(((
480 480  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
485 +)))
481 481  
482 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
487 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
483 483  |(% style="width:498px" %)(((
489 +(((
484 484  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
491 +)))
485 485  
493 +(((
486 486  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
495 +)))
487 487  
497 +(((
488 488  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
489 489  )))
500 +)))
490 490  
502 +(((
491 491  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.
504 +)))
492 492  
506 +(((
493 493  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
508 +)))
494 494  
510 +(((
511 +
512 +)))
513 +
514 +(((
495 495  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
516 +)))
496 496  
497 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
518 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
498 498  |(% style="width:577px" %)(((
520 +(((
499 499  **AT+SEARCHx=aa,xx xx xx xx xx**
522 +)))
500 500  
501 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
502 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
524 +* (((
525 +**aa: 1: prefix match mode; 2: prefix and suffix match mode**
503 503  )))
527 +* (((
528 +**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
529 +)))
530 +)))
504 504  
532 +(((
505 505  **Examples:**
534 +)))
506 506  
536 +(((
507 507  1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
538 +)))
508 508  
540 +(((
509 509  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
542 +)))
510 510  
544 +(((
511 511  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**
546 +)))
512 512  
548 +(((
513 513  [[image:1653271044481-711.png]]
550 +)))
514 514  
552 +(((
515 515  2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
554 +)))
516 516  
556 +(((
517 517  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
558 +)))
518 518  
560 +(((
519 519  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**
562 +)))
520 520  
564 +(((
521 521  [[image:1653271276735-972.png]]
566 +)))
522 522  
568 +(((
523 523  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
570 +)))
524 524  
525 -(% style="background-color:#4f81bd; color:white; width:729px" %)
572 +(% style="background-color:#4f81bd; color:white; width:510px" %)
526 526  |(% style="width:726px" %)(((
574 +(((
527 527  **AT+DATACUTx=a,b,c**
576 +)))
528 528  
529 -* **a: length for the return of AT+COMMAND**
530 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
531 -* **c: define the position for valid value.  **
578 +* (((
579 +**a: length for the return of AT+COMMAND**
532 532  )))
581 +* (((
582 +**b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
583 +)))
584 +* (((
585 +**c: define the position for valid value.  **
586 +)))
587 +)))
533 533  
589 +(((
534 534  **Examples:**
591 +)))
535 535  
536 -* Grab bytes:
593 +* (((
594 +Grab bytes:
595 +)))
537 537  
597 +(((
538 538  [[image:1653271581490-837.png||height="313" width="722"]]
599 +)))
539 539  
601 +(((
602 +
603 +)))
540 540  
541 -* Grab a section.
605 +* (((
606 +Grab a section.
607 +)))
542 542  
609 +(((
543 543  [[image:1653271648378-342.png||height="326" width="720"]]
611 +)))
544 544  
613 +(((
614 +
615 +)))
545 545  
546 -* Grab different sections.
617 +* (((
618 +Grab different sections.
619 +)))
547 547  
621 +(((
548 548  [[image:1653271657255-576.png||height="305" width="730"]]
623 +)))
549 549  
550 550  (((
626 +(((
551 551  (% style="color:red" %)**Note:**
552 552  )))
629 +)))
553 553  
554 554  (((
632 +(((
555 555  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.
556 556  )))
635 +)))
557 557  
558 558  (((
638 +(((
559 559  **Example:**
560 560  )))
641 +)))
561 561  
562 562  (((
644 +(((
563 563  (% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
564 564  )))
647 +)))
565 565  
566 566  (((
650 +(((
567 567  (% style="color:red" %)AT+SEARCH1=1,1E 56 34
568 568  )))
653 +)))
569 569  
570 570  (((
656 +(((
571 571  (% style="color:red" %)AT+DATACUT1=0,2,1~~5
572 572  )))
659 +)))
573 573  
574 574  (((
662 +(((
575 575  (% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
576 576  )))
665 +)))
577 577  
578 578  (((
668 +(((
579 579  (% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
580 580  )))
671 +)))
581 581  
582 582  (((
674 +(((
583 583  (% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
584 584  )))
677 +)))
585 585  
679 +(((
586 586  [[image:1653271763403-806.png]]
681 +)))
587 587  
588 588  
589 589  === 3.3.4 Compose the uplink payload ===
... ... @@ -590,10 +590,14 @@
590 590  
591 591  (((
592 592  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.**
688 +
689 +
593 593  )))
594 594  
595 595  (((
596 596  (% style="color:#037691" %)**Examples: AT+DATAUP=0**
694 +
695 +
597 597  )))
598 598  
599 599  (((
... ... @@ -726,26 +726,8 @@
726 726  
727 727  == 3.4 Uplink Payload ==
728 728  
729 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
730 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
731 -|Value|(% style="width:130px" %)(((
732 -(((
733 -Battery(mV)
734 -)))
828 +[[image:image-20220606105412-1.png]]
735 735  
736 -(((
737 -&
738 -)))
739 -
740 -(((
741 -Interrupt _Flag
742 -)))
743 -)))|(% style="width:93px" %)(((
744 -PAYLOAD_VER
745 -
746 -
747 -)))|(% 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.
748 -
749 749  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
750 750  
751 751  (((
... ... @@ -789,7 +789,7 @@
789 789  )))
790 790  
791 791  (((
792 -**}**
873 +}
793 793  
794 794  
795 795  )))
... ... @@ -803,13 +803,21 @@
803 803  
804 804  == 3.5 Configure RS485-BL via AT or Downlink ==
805 805  
887 +(((
806 806  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
889 +)))
807 807  
891 +(((
808 808  There are two kinds of Commands:
893 +)))
809 809  
810 -* (% 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]]
895 +* (((
896 +(% 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 +)))
811 811  
812 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
899 +* (((
900 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
901 +)))
813 813  
814 814  === 3.5.1 Common Commands: ===
815 815  
... ... @@ -819,6 +819,7 @@
819 819  === 3.5.2 Sensor related commands: ===
820 820  
821 821  
911 +
822 822  ==== **Choose Device Type (RS485 or TTL)** ====
823 823  
824 824  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -842,57 +842,109 @@
842 842  
843 843  
844 844  
935 +
845 845  ==== **RS485 Debug Command (AT+CFGDEV)** ====
846 846  
938 +(((
847 847  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
940 +)))
848 848  
849 -* **AT Command**
942 +* (((
943 +**AT Command**
944 +)))
850 850  
851 851  (% class="box infomessage" %)
852 852  (((
948 +(((
853 853  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
854 854  )))
951 +)))
855 855  
953 +(((
856 856  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
955 +)))
857 857  
957 +(((
958 +
959 +)))
858 858  
859 -* **Downlink Payload**
961 +* (((
962 +**Downlink Payload**
963 +)))
860 860  
965 +(((
861 861  Format: A8 MM NN XX XX XX XX YY
967 +)))
862 862  
969 +(((
863 863  Where:
971 +)))
864 864  
865 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
866 -* NN: The length of RS485 command
867 -* XX XX XX XX: RS485 command total NN bytes
868 -* 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
973 +* (((
974 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
975 +)))
976 +* (((
977 +NN: The length of RS485 command
978 +)))
979 +* (((
980 +XX XX XX XX: RS485 command total NN bytes
981 +)))
982 +* (((
983 +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
984 +)))
869 869  
986 +(((
870 870  **Example 1:**
988 +)))
871 871  
990 +(((
872 872  To connect a Modbus Alarm with below commands.
992 +)))
873 873  
874 -* 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.
994 +* (((
995 +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.
996 +)))
875 875  
876 -* 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.
998 +* (((
999 +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.
1000 +)))
877 877  
1002 +(((
878 878  So if user want to use downlink command to control to RS485 Alarm, he can use:
1004 +)))
879 879  
1006 +(((
880 880  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1008 +)))
881 881  
1010 +(((
882 882  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1012 +)))
883 883  
1014 +(((
884 884  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.
1016 +)))
885 885  
1018 +(((
1019 +
1020 +)))
886 886  
1022 +(((
887 887  **Example 2:**
1024 +)))
888 888  
1026 +(((
889 889  Check TTL Sensor return:
1028 +)))
890 890  
1030 +(((
891 891  [[image:1654132684752-193.png]]
1032 +)))
892 892  
893 893  
894 894  
895 895  
1037 +
896 896  ==== **Set Payload version** ====
897 897  
898 898  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.
... ... @@ -913,87 +913,171 @@
913 913  
914 914  
915 915  
1058 +
916 916  ==== **Set RS485 Sampling Commands** ====
917 917  
1061 +(((
918 918  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1063 +)))
919 919  
1065 +(((
920 920  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"]].
1067 +)))
921 921  
1069 +(((
1070 +
1071 +)))
922 922  
923 -* **AT Command:**
1073 +* (((
1074 +**AT Command:**
1075 +)))
924 924  
925 925  (% class="box infomessage" %)
926 926  (((
1079 +(((
927 927  **AT+COMMANDx: Configure RS485 read command to sensor.**
928 928  )))
1082 +)))
929 929  
930 930  (% class="box infomessage" %)
931 931  (((
1086 +(((
932 932  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
933 933  )))
1089 +)))
934 934  
935 935  (% class="box infomessage" %)
936 936  (((
1093 +(((
937 937  **AT+SEARCHx: Configure search command**
938 938  )))
1096 +)))
939 939  
1098 +(((
1099 +
1100 +)))
940 940  
941 -* **Downlink Payload:**
1102 +* (((
1103 +**Downlink Payload:**
1104 +)))
942 942  
1106 +(((
943 943  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1108 +)))
944 944  
1110 +(((
945 945  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1112 +)))
946 946  
1114 +(((
947 947  Format: AF MM NN LL XX XX XX XX YY
1116 +)))
948 948  
1118 +(((
949 949  Where:
1120 +)))
950 950  
951 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
952 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
953 -* LL:  The length of AT+COMMAND or AT+DATACUT command
954 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
955 -* 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.
1122 +* (((
1123 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1124 +)))
1125 +* (((
1126 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1127 +)))
1128 +* (((
1129 +LL:  The length of AT+COMMAND or AT+DATACUT command
1130 +)))
1131 +* (((
1132 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
1133 +)))
1134 +* (((
1135 +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.
1136 +)))
956 956  
1138 +(((
957 957  **Example:**
1140 +)))
958 958  
1142 +(((
959 959  (% 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
1144 +)))
960 960  
1146 +(((
961 961  (% 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**
1148 +)))
962 962  
1150 +(((
963 963  (% 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**
1152 +)))
964 964  
1154 +(((
1155 +
1156 +)))
965 965  
1158 +(((
966 966  **0xAB** downlink command can be used for set AT+SEARCHx
1160 +)))
967 967  
1162 +(((
968 968  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1164 +)))
969 969  
970 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
971 -* 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
1166 +* (((
1167 +AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1168 +)))
1169 +* (((
1170 +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
1171 +)))
972 972  
1173 +(((
973 973  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1175 +)))
974 974  
975 975  
976 976  
1179 +
977 977  ==== **Fast command to handle MODBUS device** ====
978 978  
1182 +(((
979 979  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]].
1184 +)))
980 980  
1186 +(((
981 981  This command is valid since v1.3 firmware version
1188 +)))
982 982  
1190 +(((
1191 +
1192 +)))
983 983  
1194 +(((
984 984  **AT+MBFUN has only two value:**
1196 +)))
985 985  
986 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1198 +* (((
1199 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1200 +)))
987 987  
1202 +(((
988 988  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.
1204 +)))
989 989  
990 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1206 +* (((
1207 +**AT+MBFUN=0**: Disable Modbus fast reading.
1208 +)))
991 991  
1210 +(((
992 992  **Example:**
1212 +)))
993 993  
994 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
995 -* 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.
996 -* 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.
1214 +* (((
1215 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1216 +)))
1217 +* (((
1218 +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.
1219 +)))
1220 +* (((
1221 +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.
1222 +)))
997 997  
998 998  [[image:1654133913295-597.png]]
999 999  
... ... @@ -1001,67 +1001,120 @@
1001 1001  [[image:1654133954153-643.png]]
1002 1002  
1003 1003  
1004 -* **Downlink Commands:**
1230 +* (((
1231 +**Downlink Commands:**
1232 +)))
1005 1005  
1234 +(((
1006 1006  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1236 +)))
1007 1007  
1008 1008  
1009 1009  
1240 +
1010 1010  ==== **RS485 command timeout** ====
1011 1011  
1243 +(((
1012 1012  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.
1245 +)))
1013 1013  
1247 +(((
1014 1014  Default value: 0, range:  0 ~~ 5 seconds
1249 +)))
1015 1015  
1251 +(((
1252 +
1253 +)))
1016 1016  
1017 -* **AT Command:**
1255 +* (((
1256 +**AT Command:**
1257 +)))
1018 1018  
1019 1019  (% class="box infomessage" %)
1020 1020  (((
1261 +(((
1021 1021  **AT+CMDDLaa=hex(bb cc)**
1022 1022  )))
1264 +)))
1023 1023  
1266 +(((
1024 1024  **Example:**
1268 +)))
1025 1025  
1270 +(((
1026 1026  **AT+CMDDL1=1000** to send the open time to 1000ms
1272 +)))
1027 1027  
1274 +(((
1275 +
1276 +)))
1028 1028  
1029 -* **Downlink Payload:**
1278 +* (((
1279 +**Downlink Payload:**
1280 +)))
1030 1030  
1282 +(((
1031 1031  0x AA aa bb cc
1284 +)))
1032 1032  
1286 +(((
1033 1033  Same as: AT+CMDDLaa=hex(bb cc)
1288 +)))
1034 1034  
1290 +(((
1035 1035   **Example:**
1292 +)))
1036 1036  
1294 +(((
1037 1037   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1296 +)))
1038 1038  
1039 1039  
1040 1040  
1300 +
1041 1041  ==== **Uplink payload mode** ====
1042 1042  
1303 +(((
1043 1043  Define to use one uplink or multiple uplinks for the sampling.
1305 +)))
1044 1044  
1307 +(((
1045 1045  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1309 +)))
1046 1046  
1047 -* **AT Command:**
1311 +* (((
1312 +**AT Command:**
1313 +)))
1048 1048  
1049 1049  (% class="box infomessage" %)
1050 1050  (((
1317 +(((
1051 1051  **AT+DATAUP=0**
1052 1052  )))
1320 +)))
1053 1053  
1054 1054  (% class="box infomessage" %)
1055 1055  (((
1324 +(((
1056 1056  **AT+DATAUP=1**
1057 1057  )))
1327 +)))
1058 1058  
1329 +(((
1330 +
1331 +)))
1059 1059  
1060 -* **Downlink Payload:**
1333 +* (((
1334 +**Downlink Payload:**
1335 +)))
1061 1061  
1337 +(((
1062 1062  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1339 +)))
1063 1063  
1341 +(((
1064 1064  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1343 +)))
1065 1065  
1066 1066  
1067 1067  
... ... @@ -1079,131 +1079,247 @@
1079 1079  
1080 1080  ==== **Clear RS485 Command** ====
1081 1081  
1361 +(((
1082 1082  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1363 +)))
1083 1083  
1365 +(((
1366 +
1367 +)))
1084 1084  
1085 -* **AT Command:**
1369 +* (((
1370 +**AT Command:**
1371 +)))
1086 1086  
1373 +(((
1087 1087  (% 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
1375 +)))
1088 1088  
1377 +(((
1089 1089  Example screen shot after clear all RS485 commands. 
1379 +)))
1090 1090  
1381 +(((
1382 +
1383 +)))
1091 1091  
1385 +(((
1092 1092  The uplink screen shot is:
1387 +)))
1093 1093  
1389 +(((
1094 1094  [[image:1654134704555-320.png]]
1391 +)))
1095 1095  
1393 +(((
1394 +
1395 +)))
1096 1096  
1097 -* **Downlink Payload:**
1397 +* (((
1398 +**Downlink Payload:**
1399 +)))
1098 1098  
1401 +(((
1099 1099  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1403 +)))
1100 1100  
1101 1101  
1102 1102  
1407 +
1103 1103  ==== **Set Serial Communication Parameters** ====
1104 1104  
1410 +(((
1105 1105  Set the Rs485 serial communication parameters:
1412 +)))
1106 1106  
1107 -* **AT Command:**
1414 +* (((
1415 +**AT Command:**
1416 +)))
1108 1108  
1418 +(((
1109 1109  Set Baud Rate:
1420 +)))
1110 1110  
1111 1111  (% class="box infomessage" %)
1112 1112  (((
1424 +(((
1113 1113  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1114 1114  )))
1427 +)))
1115 1115  
1429 +(((
1116 1116  Set UART Parity
1431 +)))
1117 1117  
1118 1118  (% class="box infomessage" %)
1119 1119  (((
1435 +(((
1120 1120  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1121 1121  )))
1438 +)))
1122 1122  
1440 +(((
1123 1123  Set STOPBIT
1442 +)))
1124 1124  
1125 1125  (% class="box infomessage" %)
1126 1126  (((
1446 +(((
1127 1127  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1128 1128  )))
1449 +)))
1129 1129  
1451 +(((
1452 +
1453 +)))
1130 1130  
1131 -* **Downlink Payload:**
1455 +* (((
1456 +**Downlink Payload:**
1457 +)))
1132 1132  
1459 +(((
1133 1133  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1461 +)))
1134 1134  
1463 +(((
1135 1135  **Example:**
1465 +)))
1136 1136  
1137 -* A7 01 00 60   same as AT+BAUDR=9600
1138 -* A7 01 04 80  same as AT+BAUDR=115200
1467 +* (((
1468 +A7 01 00 60   same as AT+BAUDR=9600
1469 +)))
1470 +* (((
1471 +A7 01 04 80  same as AT+BAUDR=115200
1472 +)))
1139 1139  
1474 +(((
1140 1140  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1476 +)))
1141 1141  
1478 +(((
1142 1142  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1480 +)))
1143 1143  
1144 1144  
1145 1145  
1484 +
1146 1146  ==== **Control output power duration** ====
1147 1147  
1487 +(((
1148 1148  User can set the output power duration before each sampling.
1489 +)))
1149 1149  
1150 -* **AT Command:**
1491 +* (((
1492 +**AT Command:**
1493 +)))
1151 1151  
1495 +(((
1152 1152  **Example:**
1497 +)))
1153 1153  
1499 +(((
1154 1154  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1501 +)))
1155 1155  
1503 +(((
1156 1156  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1505 +)))
1157 1157  
1507 +(((
1508 +
1509 +)))
1158 1158  
1159 -* **LoRaWAN Downlink Command:**
1511 +* (((
1512 +**LoRaWAN Downlink Command:**
1513 +)))
1160 1160  
1515 +(((
1161 1161  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1517 +)))
1162 1162  
1519 +(((
1163 1163  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1521 +)))
1164 1164  
1165 1165  
1166 1166  
1167 1167  == 3.6 Buttons ==
1168 1168  
1169 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1527 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1170 1170  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1171 1171  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1172 1172  
1173 1173  == 3.7 +3V3 Output ==
1174 1174  
1533 +(((
1175 1175  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1535 +)))
1176 1176  
1537 +(((
1177 1177  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. 
1539 +)))
1178 1178  
1541 +(((
1179 1179  The +3V3 output time can be controlled by AT Command.
1543 +)))
1180 1180  
1545 +(((
1546 +
1547 +)))
1181 1181  
1549 +(((
1182 1182  (% style="color:#037691" %)**AT+3V3T=1000**
1551 +)))
1183 1183  
1553 +(((
1554 +
1555 +)))
1184 1184  
1557 +(((
1185 1185  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1559 +)))
1186 1186  
1561 +(((
1187 1187  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1563 +)))
1188 1188  
1189 1189  
1190 1190  == 3.8 +5V Output ==
1191 1191  
1568 +(((
1192 1192  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1570 +)))
1193 1193  
1572 +(((
1194 1194  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. 
1574 +)))
1195 1195  
1576 +(((
1196 1196  The 5V output time can be controlled by AT Command.
1578 +)))
1197 1197  
1580 +(((
1581 +
1582 +)))
1198 1198  
1584 +(((
1199 1199  (% style="color:#037691" %)**AT+5VT=1000**
1586 +)))
1200 1200  
1588 +(((
1589 +
1590 +)))
1201 1201  
1592 +(((
1202 1202  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1594 +)))
1203 1203  
1596 +(((
1204 1204  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.
1598 +)))
1205 1205  
1206 1206  
1601 +
1207 1207  == 3.9 LEDs ==
1208 1208  
1209 1209  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1225,9 +1225,13 @@
1225 1225  3.3v position: set to compatible with 3.3v I/O.,
1226 1226  )))
1227 1227  
1623 +(((
1228 1228  **+3.3V**: is always ON
1625 +)))
1229 1229  
1627 +(((
1230 1230  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1629 +)))
1231 1231  
1232 1232  
1233 1233  = 4. Case Study =
... ... @@ -1239,17 +1239,23 @@
1239 1239  
1240 1240  == 5.1 Access AT Command ==
1241 1241  
1641 +(((
1242 1242  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.
1643 +)))
1243 1243  
1244 1244  [[image:1654135840598-282.png]]
1245 1245  
1246 1246  
1648 +(((
1247 1247  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:
1650 +)))
1248 1248  
1249 1249  [[image:1654136105500-922.png]]
1250 1250  
1251 1251  
1655 +(((
1252 1252  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1657 +)))
1253 1253  
1254 1254  
1255 1255  == 5.2 Common AT Command Sequence ==
... ... @@ -1274,7 +1274,9 @@
1274 1274  )))
1275 1275  
1276 1276  
1682 +(((
1277 1277  If device already joined network:
1684 +)))
1278 1278  
1279 1279  (% class="box infomessage" %)
1280 1280  (((
... ... @@ -1313,10 +1313,12 @@
1313 1313  
1314 1314  (% style="color:red" %)**Note:**
1315 1315  
1723 +(((
1316 1316  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1317 1317  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1318 1318  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.
1319 1319  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
1728 +)))
1320 1320  
1321 1321  [[image:1654136435598-589.png]]
1322 1322  
... ... @@ -1325,13 +1325,23 @@
1325 1325  
1326 1326  == 6.1 How to upgrade the image? ==
1327 1327  
1737 +(((
1328 1328  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1739 +)))
1329 1329  
1330 -* Support new features
1331 -* For bug fix
1332 -* Change LoRaWAN bands.
1741 +* (((
1742 +Support new features
1743 +)))
1744 +* (((
1745 +For bug fix
1746 +)))
1747 +* (((
1748 +Change LoRaWAN bands.
1749 +)))
1333 1333  
1751 +(((
1334 1334  Below shows the hardware connection for how to upload an image to RS485-BL:
1753 +)))
1335 1335  
1336 1336  [[image:1654136646995-976.png]]
1337 1337  
image-20220606105412-1.png
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