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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.17
edited by Xiaoling
on 2022/06/06 11:05
Change comment: There is no comment for this version
To version 40.54
edited by Xiaoling
on 2022/06/06 10:51
Change comment: There is no comment for this version

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... ... @@ -501,186 +501,102 @@
501 501  )))
502 502  )))
503 503  
504 -(((
505 505  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 -)))
507 507  
508 -(((
509 509  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
510 -)))
511 511  
512 -(((
513 -
514 -)))
515 -
516 -(((
517 517  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
518 -)))
519 519  
520 520  (% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
521 521  |(% style="width:577px" %)(((
522 -(((
523 523  **AT+SEARCHx=aa,xx xx xx xx xx**
524 -)))
525 525  
526 -* (((
527 -**aa: 1: prefix match mode; 2: prefix and suffix match mode**
514 +* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
515 +* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
528 528  )))
529 -* (((
530 -**xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
531 -)))
532 -)))
533 533  
534 -(((
535 535  **Examples:**
536 -)))
537 537  
538 -(((
539 539  1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
540 -)))
541 541  
542 -(((
543 543  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
544 -)))
545 545  
546 -(((
547 547  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 -)))
549 549  
550 -(((
551 551  [[image:1653271044481-711.png]]
552 -)))
553 553  
554 -(((
555 555  2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
556 -)))
557 557  
558 -(((
559 559  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
560 -)))
561 561  
562 -(((
563 563  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 -)))
565 565  
566 -(((
567 567  [[image:1653271276735-972.png]]
568 -)))
569 569  
570 -(((
571 571  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
572 -)))
573 573  
574 574  (% style="background-color:#4f81bd; color:white; width:510px" %)
575 575  |(% style="width:726px" %)(((
576 -(((
577 577  **AT+DATACUTx=a,b,c**
578 -)))
579 579  
580 -* (((
581 -**a: length for the return of AT+COMMAND**
542 +* **a: length for the return of AT+COMMAND**
543 +* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
544 +* **c: define the position for valid value.  **
582 582  )))
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 -)))
590 590  
591 -(((
592 592  **Examples:**
593 -)))
594 594  
595 -* (((
596 -Grab bytes:
597 -)))
549 +* Grab bytes:
598 598  
599 -(((
600 600  [[image:1653271581490-837.png||height="313" width="722"]]
601 -)))
602 602  
603 -(((
604 -
605 -)))
606 606  
607 -* (((
608 -Grab a section.
609 -)))
554 +* Grab a section.
610 610  
611 -(((
612 612  [[image:1653271648378-342.png||height="326" width="720"]]
613 -)))
614 614  
615 -(((
616 -
617 -)))
618 618  
619 -* (((
620 -Grab different sections.
621 -)))
559 +* Grab different sections.
622 622  
623 -(((
624 624  [[image:1653271657255-576.png||height="305" width="730"]]
625 -)))
626 626  
627 627  (((
628 -(((
629 629  (% style="color:red" %)**Note:**
630 630  )))
631 -)))
632 632  
633 633  (((
634 -(((
635 635  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.
636 636  )))
637 -)))
638 638  
639 639  (((
640 -(((
641 641  **Example:**
642 642  )))
643 -)))
644 644  
645 645  (((
646 -(((
647 647  (% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
648 648  )))
649 -)))
650 650  
651 651  (((
652 -(((
653 653  (% style="color:red" %)AT+SEARCH1=1,1E 56 34
654 654  )))
655 -)))
656 656  
657 657  (((
658 -(((
659 659  (% style="color:red" %)AT+DATACUT1=0,2,1~~5
660 660  )))
661 -)))
662 662  
663 663  (((
664 -(((
665 665  (% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
666 666  )))
667 -)))
668 668  
669 669  (((
670 -(((
671 671  (% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
672 672  )))
673 -)))
674 674  
675 675  (((
676 -(((
677 677  (% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
678 678  )))
679 -)))
680 680  
681 -(((
682 682  [[image:1653271763403-806.png]]
683 -)))
684 684  
685 685  
686 686  === 3.3.4 Compose the uplink payload ===
... ... @@ -827,8 +827,26 @@
827 827  
828 828  == 3.4 Uplink Payload ==
829 829  
830 -[[image:image-20220606105412-1.png]]
746 +(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
747 +|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
748 +|Value|(% style="width:130px" %)(((
749 +(((
750 +Battery(mV)
751 +)))
831 831  
753 +(((
754 +&
755 +)))
756 +
757 +(((
758 +Interrupt _Flag
759 +)))
760 +)))|(% style="width:93px" %)(((
761 +PAYLOAD_VER
762 +
763 +
764 +)))|(% 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.
765 +
832 832  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
833 833  
834 834  (((
... ... @@ -886,24 +886,14 @@
886 886  
887 887  == 3.5 Configure RS485-BL via AT or Downlink ==
888 888  
889 -(((
890 890  User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
891 -)))
892 892  
893 -(((
894 894  There are two kinds of Commands:
895 -)))
896 896  
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 -)))
827 +* (% 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]]
900 900  
901 -* (((
902 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
903 -)))
829 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
904 904  
905 -
906 -
907 907  === 3.5.1 Common Commands: ===
908 908  
909 909  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]]
... ... @@ -912,7 +912,6 @@
912 912  === 3.5.2 Sensor related commands: ===
913 913  
914 914  
915 -
916 916  ==== **Choose Device Type (RS485 or TTL)** ====
917 917  
918 918  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -936,7 +936,6 @@
936 936  
937 937  
938 938  
939 -
940 940  ==== **RS485 Debug Command (AT+CFGDEV)** ====
941 941  
942 942  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
... ... @@ -988,7 +988,6 @@
988 988  
989 989  
990 990  
991 -
992 992  ==== **Set Payload version** ====
993 993  
994 994  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.
... ... @@ -1009,7 +1009,6 @@
1009 1009  
1010 1010  
1011 1011  
1012 -
1013 1013  ==== **Set RS485 Sampling Commands** ====
1014 1014  
1015 1015  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
... ... @@ -1071,7 +1071,6 @@
1071 1071  
1072 1072  
1073 1073  
1074 -
1075 1075  ==== **Fast command to handle MODBUS device** ====
1076 1076  
1077 1077  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]].
... ... @@ -1105,7 +1105,6 @@
1105 1105  
1106 1106  
1107 1107  
1108 -
1109 1109  ==== **RS485 command timeout** ====
1110 1110  
1111 1111  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.
... ... @@ -1137,7 +1137,6 @@
1137 1137  
1138 1138  
1139 1139  
1140 -
1141 1141  ==== **Uplink payload mode** ====
1142 1142  
1143 1143  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1184,9 +1184,7 @@
1184 1184  
1185 1185  * **AT Command:**
1186 1186  
1187 -(((
1188 1188  (% 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
1189 -)))
1190 1190  
1191 1191  Example screen shot after clear all RS485 commands. 
1192 1192  
... ... @@ -1202,7 +1202,6 @@
1202 1202  
1203 1203  
1204 1204  
1205 -
1206 1206  ==== **Set Serial Communication Parameters** ====
1207 1207  
1208 1208  Set the Rs485 serial communication parameters:
... ... @@ -1246,7 +1246,6 @@
1246 1246  
1247 1247  
1248 1248  
1249 -
1250 1250  ==== **Control output power duration** ====
1251 1251  
1252 1252  User can set the output power duration before each sampling.
... ... @@ -1274,8 +1274,6 @@
1274 1274  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1275 1275  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1276 1276  
1277 -
1278 -
1279 1279  == 3.7 +3V3 Output ==
1280 1280  
1281 1281  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
image-20220606105412-1.png
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