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... ... @@ -7,15 +7,12 @@
7 7  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 9  
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 19  = 1.Introduction =
20 20  
21 21  == 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
... ... @@ -63,7 +63,7 @@
63 63  * Power Consumption (exclude RS485 device):
64 64  ** Idle: 6uA@3.3v
65 65  
66 -*
63 +*
67 67  ** 20dB Transmit: 130mA@3.3v
68 68  
69 69  **Interface for Model:**
... ... @@ -113,13 +113,10 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 -
118 118  == 1.5 Firmware Change log ==
119 119  
120 120  [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
121 121  
122 -
123 123  == 1.6 Hardware Change log ==
124 124  
125 125  (((
... ... @@ -146,8 +146,6 @@
146 146  
147 147  (((
148 148  Release version ​​​​​
149 -
150 -
151 151  )))
152 152  
153 153  = 2. Pin mapping and Power ON Device =
... ... @@ -161,7 +161,6 @@
161 161  
162 162  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
163 163  
164 -
165 165  = 3. Operation Mode =
166 166  
167 167  == 3.1 How it works? ==
... ... @@ -168,8 +168,6 @@
168 168  
169 169  (((
170 170  The RS485-BL is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-BL. It will auto join the network via OTAA.
171 -
172 -
173 173  )))
174 174  
175 175  == 3.2 Example to join LoRaWAN network ==
... ... @@ -233,9 +233,7 @@
233 233  == 3.3 Configure Commands to read data ==
234 234  
235 235  (((
236 -There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
237 -
238 -
225 +There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
239 239  )))
240 240  
241 241  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
... ... @@ -410,8 +410,8 @@
410 410  
411 411  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
412 412  
413 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
414 -|(% style="width:498px" %)(((
400 +(% border="1" class="table-bordered" %)
401 +|(((
415 415  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
416 416  
417 417  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
... ... @@ -425,36 +425,39 @@
425 425  
426 426  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
427 427  
428 -(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
429 -|(% style="width:577px" %)(((
415 +(% border="1" class="table-bordered" %)
416 +|(((
430 430  **AT+SEARCHx=aa,xx xx xx xx xx**
431 431  
432 432  * **aa: 1: prefix match mode; 2: prefix and suffix match mode**
433 433  * **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
421 +
422 +
434 434  )))
435 435  
436 -**Examples:**
425 +Examples:
437 437  
438 438  1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
439 439  
440 440  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
441 441  
442 -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**
431 +The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
443 443  
444 -[[image:1653271044481-711.png]]
433 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
445 445  
435 +
446 446  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
447 447  
448 448  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
449 449  
450 -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**
440 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
451 451  
452 -[[image:1653271276735-972.png]]
442 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
453 453  
444 +
454 454  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
455 455  
456 -(% style="background-color:#4f81bd; color:white; width:729px" %)
457 -|(% style="width:726px" %)(((
447 +|(((
458 458  **AT+DATACUTx=a,b,c**
459 459  
460 460  * **a: length for the return of AT+COMMAND**
... ... @@ -466,130 +466,95 @@
466 466  
467 467  * Grab bytes:
468 468  
469 -[[image:1653271581490-837.png||height="313" width="722"]]
459 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
470 470  
471 471  * Grab a section.
472 472  
473 -[[image:1653271648378-342.png||height="326" width="720"]]
463 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
474 474  
475 475  * Grab different sections.
476 476  
477 -[[image:1653271657255-576.png||height="305" width="730"]]
467 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
478 478  
479 -(((
480 -(% style="color:red" %)**Note:**
481 -)))
482 482  
483 -(((
470 +Note:
471 +
484 484  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.
485 -)))
486 486  
487 -(((
488 -**Example:**
489 -)))
474 +Example:
490 490  
491 -(((
492 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
493 -)))
476 +AT+COMMAND1=11 01 1E D0,0
494 494  
495 -(((
496 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
497 -)))
478 +AT+SEARCH1=1,1E 56 34
498 498  
499 -(((
500 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
501 -)))
480 +AT+DATACUT1=0,2,1~~5
502 502  
503 -(((
504 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
505 -)))
482 +Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
506 506  
507 -(((
508 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
509 -)))
484 +String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
510 510  
511 -(((
512 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
513 -)))
486 +Valid payload after DataCUT command: 2e 30 58 5f 36
514 514  
515 -[[image:1653271763403-806.png]]
488 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
516 516  
517 -=== 3.3.4 Compose the uplink payload ===
518 518  
519 -(((
491 +
492 +
493 +1.
494 +11.
495 +111. Compose the uplink payload
496 +
520 520  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.**
521 -)))
522 522  
523 -(((
524 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
525 -)))
526 526  
527 -(((
528 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
529 -)))
500 +**Examples: AT+DATAUP=0**
530 530  
531 -(((
502 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
503 +
532 532  Final Payload is
533 -)))
534 534  
535 -(((
536 -(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
537 -)))
506 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
538 538  
539 -(((
540 540  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
541 -)))
542 542  
543 -[[image:1653272787040-634.png||height="515" width="719"]]
510 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
544 544  
545 -(((
546 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
547 -)))
548 548  
549 -(((
550 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
551 -)))
552 552  
553 -(((
514 +**Examples: AT+DATAUP=1**
515 +
516 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
517 +
554 554  Final Payload is
555 -)))
556 556  
557 -(((
558 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
559 -)))
520 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
560 560  
561 -1. (((
562 -Battery Info (2 bytes): Battery voltage
563 -)))
564 -1. (((
565 -PAYVER (1 byte): Defined by AT+PAYVER
566 -)))
567 -1. (((
568 -PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
569 -)))
570 -1. (((
571 -PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
572 -)))
573 -1. (((
574 -DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
575 -)))
522 +1. Battery Info (2 bytes): Battery voltage
523 +1. PAYVER (1 byte): Defined by AT+PAYVER
524 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
525 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
526 +1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
576 576  
577 -[[image:1653272817147-600.png||height="437" width="717"]]
528 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
578 578  
530 +
579 579  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
580 580  
581 -DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
533 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
582 582  
583 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
535 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
584 584  
585 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
537 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
586 586  
539 +
540 +
587 587  Below are the uplink payloads:
588 588  
589 -[[image:1653272901032-107.png]]
543 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
590 590  
591 -(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
592 592  
546 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
547 +
593 593   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
594 594  
595 595   * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
... ... @@ -598,121 +598,90 @@
598 598  
599 599   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
600 600  
601 -=== 3.3.5 Uplink on demand ===
602 602  
603 -(((
557 +
558 +1.
559 +11.
560 +111. Uplink on demand
561 +
604 604  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
605 -)))
606 606  
607 -(((
608 608  Downlink control command:
609 -)))
610 610  
611 -(((
612 -**0x08 command**: Poll an uplink with current command set in RS485-BL.
613 -)))
566 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
614 614  
615 -(((
616 -**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
617 -)))
568 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
618 618  
619 -=== 3.3.6 Uplink on Interrupt ===
620 620  
621 -Put the interrupt sensor between 3.3v_out and GPIO ext.
622 622  
623 -[[image:1653273818896-432.png]]
572 +1.
573 +11.
574 +111. Uplink on Interrupt
624 624  
625 -(((
576 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
577 +
626 626  AT+INTMOD=0  Disable Interrupt
627 -)))
628 628  
629 -(((
630 630  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
631 -)))
632 632  
633 -(((
634 634  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
635 -)))
636 636  
637 -(((
638 638  AT+INTMOD=3  Interrupt trigger by rising edge.
639 -)))
640 640  
641 -== 3.4 Uplink Payload ==
642 642  
643 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
644 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
645 -|Value|(% style="width:130px" %)(((
646 -(((
587 +1.
588 +11. Uplink Payload
589 +
590 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
591 +|Value|(((
647 647  Battery(mV)
648 -)))
649 649  
650 -(((
651 651  &
652 -)))
653 653  
654 -(((
655 655  Interrupt _Flag
656 -)))
657 -)))|(% style="width:93px" %)(((
597 +)))|(((
658 658  PAYLOAD_VER
659 659  
660 660  
661 -)))|(% 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.
601 +)))|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.
662 662  
663 663  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
664 664  
665 -(((
605 +
666 666  function Decoder(bytes, port) {
667 -)))
668 668  
669 -(((
670 670  ~/~/Payload Formats of RS485-BL Deceive
671 -)))
672 672  
673 -(((
674 674  return {
675 -)))
676 676  
677 -(((
678 678   ~/~/Battery,units:V
679 -)))
680 680  
681 -(((
682 682   BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
683 -)))
684 684  
685 -(((
686 686   ~/~/GPIO_EXTI 
687 -)))
688 688  
689 -(((
690 690   EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
691 -)))
692 692  
693 -(((
694 694   ~/~/payload of version
695 -)))
696 696  
697 -(((
698 698   Pay_ver:bytes[2],
699 -)))
700 700  
701 -(((
702 702   };
703 -)))
704 704  
705 -(((
706 706   }
707 -)))
708 708  
709 -(((
628 +
629 +
630 +
631 +
632 +
633 +
710 710  TTN V3 uplink screen shot.
711 -)))
712 712  
713 -[[image:1653274001211-372.png||height="192" width="732"]]
636 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
714 714  
715 -== 3.5 Configure RS485-BL via AT or Downlink ==
638 +1.
639 +11. Configure RS485-BL via AT or Downlink
716 716  
717 717  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
718 718  
... ... @@ -722,15 +722,15 @@
722 722  
723 723  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
724 724  
725 -1.
726 -11.
649 +1.
650 +11.
727 727  111. Common Commands:
728 728  
729 729  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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
730 730  
731 731  
732 -1.
733 -11.
656 +1.
657 +11.
734 734  111. Sensor related commands:
735 735  
736 736  ==== Choose Device Type (RS485 or TTL) ====
... ... @@ -1036,13 +1036,13 @@
1036 1036  
1037 1037  
1038 1038  
1039 -1.
963 +1.
1040 1040  11. Buttons
1041 1041  
1042 1042  |**Button**|**Feature**
1043 1043  |**RST**|Reboot RS485-BL
1044 1044  
1045 -1.
969 +1.
1046 1046  11. +3V3 Output
1047 1047  
1048 1048  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1060,7 +1060,7 @@
1060 1060  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1061 1061  
1062 1062  
1063 -1.
987 +1.
1064 1064  11. +5V Output
1065 1065  
1066 1066  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1080,13 +1080,13 @@
1080 1080  
1081 1081  
1082 1082  
1083 -1.
1007 +1.
1084 1084  11. LEDs
1085 1085  
1086 1086  |**LEDs**|**Feature**
1087 1087  |**LED1**|Blink when device transmit a packet.
1088 1088  
1089 -1.
1013 +1.
1090 1090  11. Switch Jumper
1091 1091  
1092 1092  |**Switch Jumper**|**Feature**
... ... @@ -1132,7 +1132,7 @@
1132 1132  
1133 1133  
1134 1134  
1135 -1.
1059 +1.
1136 1136  11. Common AT Command Sequence
1137 1137  111. Multi-channel ABP mode (Use with SX1301/LG308)
1138 1138  
... ... @@ -1151,8 +1151,8 @@
1151 1151  
1152 1152  ATZ
1153 1153  
1154 -1.
1155 -11.
1078 +1.
1079 +11.
1156 1156  111. Single-channel ABP mode (Use with LG01/LG02)
1157 1157  
1158 1158  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1227,7 +1227,7 @@
1227 1227  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1228 1228  
1229 1229  
1230 -1.
1154 +1.
1231 1231  11. How to change the LoRa Frequency Bands/Region?
1232 1232  
1233 1233  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1234,7 +1234,7 @@
1234 1234  
1235 1235  
1236 1236  
1237 -1.
1161 +1.
1238 1238  11. How many RS485-Slave can RS485-BL connects?
1239 1239  
1240 1240  The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
... ... @@ -1251,7 +1251,7 @@
1251 1251  
1252 1252  
1253 1253  
1254 -1.
1178 +1.
1255 1255  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1256 1256  
1257 1257  It might about the channels mapping. Please see for detail.
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