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Last modified by Xiaoling on 2025/04/23 15:57
From version 41.16
edited by Xiaoling
on 2022/06/06 11:03
Change comment: There is no comment for this version
To version 40.53
edited by Xiaoling
on 2022/06/06 10:50
Change comment: There is no comment for this version

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... ... @@ -474,213 +474,117 @@
474 474  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
475 475  )))
476 476  
477 -(((
478 478  **Examples:**
479 -)))
480 480  
481 -(((
482 482  Below are examples for the how above AT Commands works.
483 -)))
484 484  
485 -(((
486 486  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
487 -)))
488 488  
489 489  (% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:500px" %)
490 490  |(% style="width:498px" %)(((
491 -(((
492 492  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
493 -)))
494 494  
495 -(((
496 496  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
497 -)))
498 498  
499 -(((
500 500  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
501 501  )))
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**
502 +* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
503 +* **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**
530 +* **a: length for the return of AT+COMMAND**
531 +* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
532 +* **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 -)))
537 +* 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 -)))
542 +* 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 -)))
547 +* 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]]
734 +(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
735 +|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
736 +|Value|(% style="width:130px" %)(((
737 +(((
738 +Battery(mV)
739 +)))
831 831  
741 +(((
742 +&
743 +)))
744 +
745 +(((
746 +Interrupt _Flag
747 +)))
748 +)))|(% style="width:93px" %)(((
749 +PAYLOAD_VER
750 +
751 +
752 +)))|(% 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.
753 +
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  (((
... ... @@ -894,8 +894,6 @@
894 894  
895 895  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
896 896  
897 -
898 -
899 899  === 3.5.1 Common Commands: ===
900 900  
901 901  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]]
... ... @@ -904,7 +904,6 @@
904 904  === 3.5.2 Sensor related commands: ===
905 905  
906 906  
907 -
908 908  ==== **Choose Device Type (RS485 or TTL)** ====
909 909  
910 910  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -928,7 +928,6 @@
928 928  
929 929  
930 930  
931 -
932 932  ==== **RS485 Debug Command (AT+CFGDEV)** ====
933 933  
934 934  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
... ... @@ -980,7 +980,6 @@
980 980  
981 981  
982 982  
983 -
984 984  ==== **Set Payload version** ====
985 985  
986 986  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.
... ... @@ -1001,7 +1001,6 @@
1001 1001  
1002 1002  
1003 1003  
1004 -
1005 1005  ==== **Set RS485 Sampling Commands** ====
1006 1006  
1007 1007  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
... ... @@ -1063,7 +1063,6 @@
1063 1063  
1064 1064  
1065 1065  
1066 -
1067 1067  ==== **Fast command to handle MODBUS device** ====
1068 1068  
1069 1069  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]].
... ... @@ -1097,7 +1097,6 @@
1097 1097  
1098 1098  
1099 1099  
1100 -
1101 1101  ==== **RS485 command timeout** ====
1102 1102  
1103 1103  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.
... ... @@ -1129,7 +1129,6 @@
1129 1129  
1130 1130  
1131 1131  
1132 -
1133 1133  ==== **Uplink payload mode** ====
1134 1134  
1135 1135  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1176,9 +1176,7 @@
1176 1176  
1177 1177  * **AT Command:**
1178 1178  
1179 -(((
1180 1180  (% 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
1181 -)))
1182 1182  
1183 1183  Example screen shot after clear all RS485 commands. 
1184 1184  
... ... @@ -1194,7 +1194,6 @@
1194 1194  
1195 1195  
1196 1196  
1197 -
1198 1198  ==== **Set Serial Communication Parameters** ====
1199 1199  
1200 1200  Set the Rs485 serial communication parameters:
... ... @@ -1238,7 +1238,6 @@
1238 1238  
1239 1239  
1240 1240  
1241 -
1242 1242  ==== **Control output power duration** ====
1243 1243  
1244 1244  User can set the output power duration before each sampling.
... ... @@ -1266,8 +1266,6 @@
1266 1266  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1267 1267  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1268 1268  
1269 -
1270 -
1271 1271  == 3.7 +3V3 Output ==
1272 1272  
1273 1273  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
image-20220606105412-1.png
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