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Last modified by Xiaoling on 2025/04/23 15:57
From version 40.48
edited by Xiaoling
on 2022/06/06 10:37
Change comment: There is no comment for this version
To version 42.2
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
... ... @@ -394,18 +394,19 @@
394 394  )))
395 395  
396 396  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
397 -|=**AT Commands**|=(% style="width: 110px;" %)**Description**|=(% style="width: 190px;" %)**Example**
398 -|AT+CFGDEV|(% style="width:190px" %)(((
397 +|=(% style="width: 80px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 210px;" %)**Example**
398 +|AT+CFGDEV|(% style="width:80px" %)(((
399 399  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
400 400  
401 401  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
402 402  
403 403  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
404 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
404 +)))|(% style="width:210px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
405 405  
406 406  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
407 407  
408 408  
409 +
409 409  === 3.3.3 Configure read commands for each sampling ===
410 410  
411 411  (((
... ... @@ -472,117 +472,213 @@
472 472  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
473 473  )))
474 474  
476 +(((
475 475  **Examples:**
478 +)))
476 476  
480 +(((
477 477  Below are examples for the how above AT Commands works.
482 +)))
478 478  
484 +(((
479 479  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
486 +)))
480 480  
481 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
488 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
482 482  |(% style="width:498px" %)(((
490 +(((
483 483  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
492 +)))
484 484  
494 +(((
485 485  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
496 +)))
486 486  
498 +(((
487 487  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
488 488  )))
501 +)))
489 489  
503 +(((
490 490  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.
505 +)))
491 491  
507 +(((
492 492  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
509 +)))
493 493  
511 +(((
512 +
513 +)))
514 +
515 +(((
494 494  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
517 +)))
495 495  
496 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
519 +(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
497 497  |(% style="width:577px" %)(((
521 +(((
498 498  **AT+SEARCHx=aa,xx xx xx xx xx**
523 +)))
499 499  
500 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
501 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
525 +* (((
526 +**aa: 1: prefix match mode; 2: prefix and suffix match mode**
502 502  )))
528 +* (((
529 +**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
530 +)))
531 +)))
503 503  
533 +(((
504 504  **Examples:**
535 +)))
505 505  
537 +(((
506 506  1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
539 +)))
507 507  
541 +(((
508 508  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
543 +)))
509 509  
545 +(((
510 510  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**
547 +)))
511 511  
549 +(((
512 512  [[image:1653271044481-711.png]]
551 +)))
513 513  
553 +(((
514 514  2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
555 +)))
515 515  
557 +(((
516 516  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
559 +)))
517 517  
561 +(((
518 518  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**
563 +)))
519 519  
565 +(((
520 520  [[image:1653271276735-972.png]]
567 +)))
521 521  
569 +(((
522 522  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
571 +)))
523 523  
524 -(% style="background-color:#4f81bd; color:white; width:729px" %)
573 +(% style="background-color:#4f81bd; color:white; width:510px" %)
525 525  |(% style="width:726px" %)(((
575 +(((
526 526  **AT+DATACUTx=a,b,c**
577 +)))
527 527  
528 -* **a: length for the return of AT+COMMAND**
529 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
530 -* **c: define the position for valid value.  **
579 +* (((
580 +**a: length for the return of AT+COMMAND**
531 531  )))
582 +* (((
583 +**b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
584 +)))
585 +* (((
586 +**c: define the position for valid value.  **
587 +)))
588 +)))
532 532  
590 +(((
533 533  **Examples:**
592 +)))
534 534  
535 -* Grab bytes:
594 +* (((
595 +Grab bytes:
596 +)))
536 536  
598 +(((
537 537  [[image:1653271581490-837.png||height="313" width="722"]]
600 +)))
538 538  
602 +(((
603 +
604 +)))
539 539  
540 -* Grab a section.
606 +* (((
607 +Grab a section.
608 +)))
541 541  
610 +(((
542 542  [[image:1653271648378-342.png||height="326" width="720"]]
612 +)))
543 543  
614 +(((
615 +
616 +)))
544 544  
545 -* Grab different sections.
618 +* (((
619 +Grab different sections.
620 +)))
546 546  
622 +(((
547 547  [[image:1653271657255-576.png||height="305" width="730"]]
624 +)))
548 548  
549 549  (((
627 +(((
550 550  (% style="color:red" %)**Note:**
551 551  )))
630 +)))
552 552  
553 553  (((
633 +(((
554 554  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.
555 555  )))
636 +)))
556 556  
557 557  (((
639 +(((
558 558  **Example:**
559 559  )))
642 +)))
560 560  
561 561  (((
645 +(((
562 562  (% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
563 563  )))
648 +)))
564 564  
565 565  (((
651 +(((
566 566  (% style="color:red" %)AT+SEARCH1=1,1E 56 34
567 567  )))
654 +)))
568 568  
569 569  (((
657 +(((
570 570  (% style="color:red" %)AT+DATACUT1=0,2,1~~5
571 571  )))
660 +)))
572 572  
573 573  (((
663 +(((
574 574  (% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
575 575  )))
666 +)))
576 576  
577 577  (((
669 +(((
578 578  (% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
579 579  )))
672 +)))
580 580  
581 581  (((
675 +(((
582 582  (% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
583 583  )))
678 +)))
584 584  
680 +(((
585 585  [[image:1653271763403-806.png]]
682 +)))
586 586  
587 587  
588 588  === 3.3.4 Compose the uplink payload ===
... ... @@ -589,10 +589,14 @@
589 589  
590 590  (((
591 591  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.**
689 +
690 +
592 592  )))
593 593  
594 594  (((
595 595  (% style="color:#037691" %)**Examples: AT+DATAUP=0**
695 +
696 +
596 596  )))
597 597  
598 598  (((
... ... @@ -725,26 +725,8 @@
725 725  
726 726  == 3.4 Uplink Payload ==
727 727  
728 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
729 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
730 -|Value|(% style="width:130px" %)(((
731 -(((
732 -Battery(mV)
733 -)))
829 +[[image:image-20220606105412-1.png]]
734 734  
735 -(((
736 -&
737 -)))
738 -
739 -(((
740 -Interrupt _Flag
741 -)))
742 -)))|(% style="width:93px" %)(((
743 -PAYLOAD_VER
744 -
745 -
746 -)))|(% 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.
747 -
748 748  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
749 749  
750 750  (((
... ... @@ -788,7 +788,7 @@
788 788  )))
789 789  
790 790  (((
791 -**}**
874 +}
792 792  
793 793  
794 794  )))
... ... @@ -802,14 +802,23 @@
802 802  
803 803  == 3.5 Configure RS485-BL via AT or Downlink ==
804 804  
888 +(((
805 805  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
890 +)))
806 806  
892 +(((
807 807  There are two kinds of Commands:
894 +)))
808 808  
809 -* (% 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]]
896 +* (((
897 +(% 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]]
898 +)))
810 810  
811 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
900 +* (((
901 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
902 +)))
812 812  
904 +
813 813  === 3.5.1 Common Commands: ===
814 814  
815 815  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]]
... ... @@ -818,6 +818,7 @@
818 818  === 3.5.2 Sensor related commands: ===
819 819  
820 820  
913 +
821 821  ==== **Choose Device Type (RS485 or TTL)** ====
822 822  
823 823  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -841,57 +841,109 @@
841 841  
842 842  
843 843  
937 +
844 844  ==== **RS485 Debug Command (AT+CFGDEV)** ====
845 845  
940 +(((
846 846  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
942 +)))
847 847  
848 -* **AT Command**
944 +* (((
945 +**AT Command**
946 +)))
849 849  
850 850  (% class="box infomessage" %)
851 851  (((
950 +(((
852 852  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
853 853  )))
953 +)))
854 854  
955 +(((
855 855  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
957 +)))
856 856  
959 +(((
960 +
961 +)))
857 857  
858 -* **Downlink Payload**
963 +* (((
964 +**Downlink Payload**
965 +)))
859 859  
967 +(((
860 860  Format: A8 MM NN XX XX XX XX YY
969 +)))
861 861  
971 +(((
862 862  Where:
973 +)))
863 863  
864 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
865 -* NN: The length of RS485 command
866 -* XX XX XX XX: RS485 command total NN bytes
867 -* 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
975 +* (((
976 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
977 +)))
978 +* (((
979 +NN: The length of RS485 command
980 +)))
981 +* (((
982 +XX XX XX XX: RS485 command total NN bytes
983 +)))
984 +* (((
985 +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
986 +)))
868 868  
988 +(((
869 869  **Example 1:**
990 +)))
870 870  
992 +(((
871 871  To connect a Modbus Alarm with below commands.
994 +)))
872 872  
873 -* 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 +* (((
997 +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 +)))
874 874  
875 -* 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 +* (((
1001 +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 +)))
876 876  
1004 +(((
877 877  So if user want to use downlink command to control to RS485 Alarm, he can use:
1006 +)))
878 878  
1008 +(((
879 879  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
1010 +)))
880 880  
1012 +(((
881 881  (% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
1014 +)))
882 882  
1016 +(((
883 883  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.
1018 +)))
884 884  
1020 +(((
1021 +
1022 +)))
885 885  
1024 +(((
886 886  **Example 2:**
1026 +)))
887 887  
1028 +(((
888 888  Check TTL Sensor return:
1030 +)))
889 889  
1032 +(((
890 890  [[image:1654132684752-193.png]]
1034 +)))
891 891  
892 892  
893 893  
894 894  
1039 +
895 895  ==== **Set Payload version** ====
896 896  
897 897  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.
... ... @@ -912,87 +912,171 @@
912 912  
913 913  
914 914  
1060 +
915 915  ==== **Set RS485 Sampling Commands** ====
916 916  
1063 +(((
917 917  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1065 +)))
918 918  
1067 +(((
919 919  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"]].
1069 +)))
920 920  
1071 +(((
1072 +
1073 +)))
921 921  
922 -* **AT Command:**
1075 +* (((
1076 +**AT Command:**
1077 +)))
923 923  
924 924  (% class="box infomessage" %)
925 925  (((
1081 +(((
926 926  **AT+COMMANDx: Configure RS485 read command to sensor.**
927 927  )))
1084 +)))
928 928  
929 929  (% class="box infomessage" %)
930 930  (((
1088 +(((
931 931  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
932 932  )))
1091 +)))
933 933  
934 934  (% class="box infomessage" %)
935 935  (((
1095 +(((
936 936  **AT+SEARCHx: Configure search command**
937 937  )))
1098 +)))
938 938  
1100 +(((
1101 +
1102 +)))
939 939  
940 -* **Downlink Payload:**
1104 +* (((
1105 +**Downlink Payload:**
1106 +)))
941 941  
1108 +(((
942 942  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1110 +)))
943 943  
1112 +(((
944 944  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1114 +)))
945 945  
1116 +(((
946 946  Format: AF MM NN LL XX XX XX XX YY
1118 +)))
947 947  
1120 +(((
948 948  Where:
1122 +)))
949 949  
950 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
951 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
952 -* LL:  The length of AT+COMMAND or AT+DATACUT command
953 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
954 -* 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.
1124 +* (((
1125 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
1126 +)))
1127 +* (((
1128 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
1129 +)))
1130 +* (((
1131 +LL:  The length of AT+COMMAND or AT+DATACUT command
1132 +)))
1133 +* (((
1134 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
1135 +)))
1136 +* (((
1137 +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.
1138 +)))
955 955  
1140 +(((
956 956  **Example:**
1142 +)))
957 957  
1144 +(((
958 958  (% 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
1146 +)))
959 959  
1148 +(((
960 960  (% 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**
1150 +)))
961 961  
1152 +(((
962 962  (% 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**
1154 +)))
963 963  
1156 +(((
1157 +
1158 +)))
964 964  
1160 +(((
965 965  **0xAB** downlink command can be used for set AT+SEARCHx
1162 +)))
966 966  
1164 +(((
967 967  **Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1166 +)))
968 968  
969 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
970 -* 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
1168 +* (((
1169 +AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
1170 +)))
1171 +* (((
1172 +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
1173 +)))
971 971  
1175 +(((
972 972  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1177 +)))
973 973  
974 974  
975 975  
1181 +
976 976  ==== **Fast command to handle MODBUS device** ====
977 977  
1184 +(((
978 978  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]].
1186 +)))
979 979  
1188 +(((
980 980  This command is valid since v1.3 firmware version
1190 +)))
981 981  
1192 +(((
1193 +
1194 +)))
982 982  
1196 +(((
983 983  **AT+MBFUN has only two value:**
1198 +)))
984 984  
985 -* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1200 +* (((
1201 +**AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
1202 +)))
986 986  
1204 +(((
987 987  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.
1206 +)))
988 988  
989 -* **AT+MBFUN=0**: Disable Modbus fast reading.
1208 +* (((
1209 +**AT+MBFUN=0**: Disable Modbus fast reading.
1210 +)))
990 990  
1212 +(((
991 991  **Example:**
1214 +)))
992 992  
993 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
994 -* 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.
995 -* 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.
1216 +* (((
1217 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
1218 +)))
1219 +* (((
1220 +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.
1221 +)))
1222 +* (((
1223 +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.
1224 +)))
996 996  
997 997  [[image:1654133913295-597.png]]
998 998  
... ... @@ -1000,67 +1000,120 @@
1000 1000  [[image:1654133954153-643.png]]
1001 1001  
1002 1002  
1003 -* **Downlink Commands:**
1232 +* (((
1233 +**Downlink Commands:**
1234 +)))
1004 1004  
1236 +(((
1005 1005  **A9 aa** ~-~-> Same as AT+MBFUN=aa
1238 +)))
1006 1006  
1007 1007  
1008 1008  
1242 +
1009 1009  ==== **RS485 command timeout** ====
1010 1010  
1245 +(((
1011 1011  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.
1247 +)))
1012 1012  
1249 +(((
1013 1013  Default value: 0, range:  0 ~~ 5 seconds
1251 +)))
1014 1014  
1253 +(((
1254 +
1255 +)))
1015 1015  
1016 -* **AT Command:**
1257 +* (((
1258 +**AT Command:**
1259 +)))
1017 1017  
1018 1018  (% class="box infomessage" %)
1019 1019  (((
1263 +(((
1020 1020  **AT+CMDDLaa=hex(bb cc)**
1021 1021  )))
1266 +)))
1022 1022  
1268 +(((
1023 1023  **Example:**
1270 +)))
1024 1024  
1272 +(((
1025 1025  **AT+CMDDL1=1000** to send the open time to 1000ms
1274 +)))
1026 1026  
1276 +(((
1277 +
1278 +)))
1027 1027  
1028 -* **Downlink Payload:**
1280 +* (((
1281 +**Downlink Payload:**
1282 +)))
1029 1029  
1284 +(((
1030 1030  0x AA aa bb cc
1286 +)))
1031 1031  
1288 +(((
1032 1032  Same as: AT+CMDDLaa=hex(bb cc)
1290 +)))
1033 1033  
1292 +(((
1034 1034   **Example:**
1294 +)))
1035 1035  
1296 +(((
1036 1036   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
1298 +)))
1037 1037  
1038 1038  
1039 1039  
1302 +
1040 1040  ==== **Uplink payload mode** ====
1041 1041  
1305 +(((
1042 1042  Define to use one uplink or multiple uplinks for the sampling.
1307 +)))
1043 1043  
1309 +(((
1044 1044  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
1311 +)))
1045 1045  
1046 -* **AT Command:**
1313 +* (((
1314 +**AT Command:**
1315 +)))
1047 1047  
1048 1048  (% class="box infomessage" %)
1049 1049  (((
1319 +(((
1050 1050  **AT+DATAUP=0**
1051 1051  )))
1322 +)))
1052 1052  
1053 1053  (% class="box infomessage" %)
1054 1054  (((
1326 +(((
1055 1055  **AT+DATAUP=1**
1056 1056  )))
1329 +)))
1057 1057  
1331 +(((
1332 +
1333 +)))
1058 1058  
1059 -* **Downlink Payload:**
1335 +* (((
1336 +**Downlink Payload:**
1337 +)))
1060 1060  
1339 +(((
1061 1061  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
1341 +)))
1062 1062  
1343 +(((
1063 1063  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
1345 +)))
1064 1064  
1065 1065  
1066 1066  
... ... @@ -1078,131 +1078,248 @@
1078 1078  
1079 1079  ==== **Clear RS485 Command** ====
1080 1080  
1363 +(((
1081 1081  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1365 +)))
1082 1082  
1367 +(((
1368 +
1369 +)))
1083 1083  
1084 -* **AT Command:**
1371 +* (((
1372 +**AT Command:**
1373 +)))
1085 1085  
1375 +(((
1086 1086  (% 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
1377 +)))
1087 1087  
1379 +(((
1088 1088  Example screen shot after clear all RS485 commands. 
1381 +)))
1089 1089  
1383 +(((
1384 +
1385 +)))
1090 1090  
1387 +(((
1091 1091  The uplink screen shot is:
1389 +)))
1092 1092  
1391 +(((
1093 1093  [[image:1654134704555-320.png]]
1393 +)))
1094 1094  
1395 +(((
1396 +
1397 +)))
1095 1095  
1096 -* **Downlink Payload:**
1399 +* (((
1400 +**Downlink Payload:**
1401 +)))
1097 1097  
1403 +(((
1098 1098  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1405 +)))
1099 1099  
1100 1100  
1101 1101  
1409 +
1102 1102  ==== **Set Serial Communication Parameters** ====
1103 1103  
1412 +(((
1104 1104  Set the Rs485 serial communication parameters:
1414 +)))
1105 1105  
1106 -* **AT Command:**
1416 +* (((
1417 +**AT Command:**
1418 +)))
1107 1107  
1420 +(((
1108 1108  Set Baud Rate:
1422 +)))
1109 1109  
1110 1110  (% class="box infomessage" %)
1111 1111  (((
1426 +(((
1112 1112  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1113 1113  )))
1429 +)))
1114 1114  
1431 +(((
1115 1115  Set UART Parity
1433 +)))
1116 1116  
1117 1117  (% class="box infomessage" %)
1118 1118  (((
1437 +(((
1119 1119  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1120 1120  )))
1440 +)))
1121 1121  
1442 +(((
1122 1122  Set STOPBIT
1444 +)))
1123 1123  
1124 1124  (% class="box infomessage" %)
1125 1125  (((
1448 +(((
1126 1126  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1127 1127  )))
1451 +)))
1128 1128  
1453 +(((
1454 +
1455 +)))
1129 1129  
1130 -* **Downlink Payload:**
1457 +* (((
1458 +**Downlink Payload:**
1459 +)))
1131 1131  
1461 +(((
1132 1132  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1463 +)))
1133 1133  
1465 +(((
1134 1134  **Example:**
1467 +)))
1135 1135  
1136 -* A7 01 00 60   same as AT+BAUDR=9600
1137 -* A7 01 04 80  same as AT+BAUDR=115200
1469 +* (((
1470 +A7 01 00 60   same as AT+BAUDR=9600
1471 +)))
1472 +* (((
1473 +A7 01 04 80  same as AT+BAUDR=115200
1474 +)))
1138 1138  
1476 +(((
1139 1139  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1478 +)))
1140 1140  
1480 +(((
1141 1141  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1482 +)))
1142 1142  
1143 1143  
1144 1144  
1486 +
1145 1145  ==== **Control output power duration** ====
1146 1146  
1489 +(((
1147 1147  User can set the output power duration before each sampling.
1491 +)))
1148 1148  
1149 -* **AT Command:**
1493 +* (((
1494 +**AT Command:**
1495 +)))
1150 1150  
1497 +(((
1151 1151  **Example:**
1499 +)))
1152 1152  
1501 +(((
1153 1153  **AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1503 +)))
1154 1154  
1505 +(((
1155 1155  **AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1507 +)))
1156 1156  
1509 +(((
1510 +
1511 +)))
1157 1157  
1158 -* **LoRaWAN Downlink Command:**
1513 +* (((
1514 +**LoRaWAN Downlink Command:**
1515 +)))
1159 1159  
1517 +(((
1160 1160  **07 01 aa bb**  Same as AT+5VT=(aa bb)
1519 +)))
1161 1161  
1521 +(((
1162 1162  **07 02 aa bb**  Same as AT+3V3T=(aa bb)
1523 +)))
1163 1163  
1164 1164  
1165 1165  
1166 1166  == 3.6 Buttons ==
1167 1167  
1168 -(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1529 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:233px" %)
1169 1169  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1170 1170  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1171 1171  
1533 +
1172 1172  == 3.7 +3V3 Output ==
1173 1173  
1536 +(((
1174 1174  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1538 +)))
1175 1175  
1540 +(((
1176 1176  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. 
1542 +)))
1177 1177  
1544 +(((
1178 1178  The +3V3 output time can be controlled by AT Command.
1546 +)))
1179 1179  
1548 +(((
1549 +
1550 +)))
1180 1180  
1552 +(((
1181 1181  (% style="color:#037691" %)**AT+3V3T=1000**
1554 +)))
1182 1182  
1556 +(((
1557 +
1558 +)))
1183 1183  
1560 +(((
1184 1184  Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1562 +)))
1185 1185  
1564 +(((
1186 1186  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1566 +)))
1187 1187  
1188 1188  
1189 1189  == 3.8 +5V Output ==
1190 1190  
1571 +(((
1191 1191  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1573 +)))
1192 1192  
1575 +(((
1193 1193  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. 
1577 +)))
1194 1194  
1579 +(((
1195 1195  The 5V output time can be controlled by AT Command.
1581 +)))
1196 1196  
1583 +(((
1584 +
1585 +)))
1197 1197  
1587 +(((
1198 1198  (% style="color:#037691" %)**AT+5VT=1000**
1589 +)))
1199 1199  
1591 +(((
1592 +
1593 +)))
1200 1200  
1595 +(((
1201 1201  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1597 +)))
1202 1202  
1599 +(((
1203 1203  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.
1601 +)))
1204 1204  
1205 1205  
1604 +
1206 1206  == 3.9 LEDs ==
1207 1207  
1208 1208  (% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
... ... @@ -1209,6 +1209,7 @@
1209 1209  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1210 1210  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1211 1211  
1611 +
1212 1212  == 3.10 Switch Jumper ==
1213 1213  
1214 1214  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1224,9 +1224,13 @@
1224 1224  3.3v position: set to compatible with 3.3v I/O.,
1225 1225  )))
1226 1226  
1627 +(((
1227 1227  **+3.3V**: is always ON
1629 +)))
1228 1228  
1631 +(((
1229 1229  **+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1633 +)))
1230 1230  
1231 1231  
1232 1232  = 4. Case Study =
... ... @@ -1238,17 +1238,23 @@
1238 1238  
1239 1239  == 5.1 Access AT Command ==
1240 1240  
1645 +(((
1241 1241  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.
1647 +)))
1242 1242  
1243 1243  [[image:1654135840598-282.png]]
1244 1244  
1245 1245  
1652 +(((
1246 1246  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:
1654 +)))
1247 1247  
1248 1248  [[image:1654136105500-922.png]]
1249 1249  
1250 1250  
1659 +(((
1251 1251  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
1661 +)))
1252 1252  
1253 1253  
1254 1254  == 5.2 Common AT Command Sequence ==
... ... @@ -1273,7 +1273,9 @@
1273 1273  )))
1274 1274  
1275 1275  
1686 +(((
1276 1276  If device already joined network:
1688 +)))
1277 1277  
1278 1278  (% class="box infomessage" %)
1279 1279  (((
... ... @@ -1312,10 +1312,12 @@
1312 1312  
1313 1313  (% style="color:red" %)**Note:**
1314 1314  
1727 +(((
1315 1315  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1316 1316  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1317 1317  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.
1318 1318  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
1732 +)))
1319 1319  
1320 1320  [[image:1654136435598-589.png]]
1321 1321  
... ... @@ -1324,13 +1324,23 @@
1324 1324  
1325 1325  == 6.1 How to upgrade the image? ==
1326 1326  
1741 +(((
1327 1327  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1743 +)))
1328 1328  
1329 -* Support new features
1330 -* For bug fix
1331 -* Change LoRaWAN bands.
1745 +* (((
1746 +Support new features
1747 +)))
1748 +* (((
1749 +For bug fix
1750 +)))
1751 +* (((
1752 +Change LoRaWAN bands.
1753 +)))
1332 1332  
1755 +(((
1333 1333  Below shows the hardware connection for how to upload an image to RS485-BL:
1757 +)))
1334 1334  
1335 1335  [[image:1654136646995-976.png]]
1336 1336  
... ... @@ -1396,6 +1396,7 @@
1396 1396  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1397 1397  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1398 1398  
1823 +
1399 1399  = 9. Packing Info =
1400 1400  
1401 1401  (((
image-20220606105412-1.png
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