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Summary

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Content
... ... @@ -7,12 +7,15 @@
7 7  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 9  
10 +
10 10  **Table of Contents:**
11 11  
13 +{{toc/}}
12 12  
13 13  
14 14  
15 15  
18 +
16 16  = 1.Introduction =
17 17  
18 18  == 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
... ... @@ -22,19 +22,19 @@
22 22  )))
23 23  
24 24  (((
25 -The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
28 +The Dragino RS485-BL is a (% style="color:blue" %)**RS485 / UART to LoRaWAN Converter**(%%) for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
26 26  )))
27 27  
28 28  (((
29 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
32 +RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides (% style="color:blue" %)**a 3.3v output**(%%) and** (% style="color:blue" %)a 5v output(%%)** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
30 30  )))
31 31  
32 32  (((
33 -RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
36 +RS485-BL is IP67 (% style="color:blue" %)**waterproof**(%%) and powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use for several years.
34 34  )))
35 35  
36 36  (((
37 -RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
40 +RS485-BL runs standard (% style="color:blue" %)**LoRaWAN 1.0.3 in Class A**(%%). It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
38 38  )))
39 39  
40 40  (((
... ... @@ -51,8 +51,11 @@
51 51  
52 52  [[image:1652953304999-717.png||height="424" width="733"]]
53 53  
57 +
58 +
54 54  == 1.2 Specifications ==
55 55  
61 +
56 56  **Hardware System:**
57 57  
58 58  * STM32L072CZT6 MCU
... ... @@ -59,8 +59,6 @@
59 59  * SX1276/78 Wireless Chip 
60 60  * Power Consumption (exclude RS485 device):
61 61  ** Idle: 6uA@3.3v
62 -
63 -*
64 64  ** 20dB Transmit: 130mA@3.3v
65 65  
66 66  **Interface for Model:**
... ... @@ -114,9 +114,12 @@
114 114  
115 115  [[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);"]]
116 116  
121 +
117 117  == 1.6 Hardware Change log ==
118 118  
119 119  (((
125 +
126 +
120 120  v1.4
121 121  )))
122 122  
... ... @@ -140,6 +140,8 @@
140 140  
141 141  (((
142 142  Release version ​​​​​
150 +
151 +
143 143  )))
144 144  
145 145  = 2. Pin mapping and Power ON Device =
... ... @@ -153,6 +153,7 @@
153 153  
154 154  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
155 155  
165 +
156 156  = 3. Operation Mode =
157 157  
158 158  == 3.1 How it works? ==
... ... @@ -159,6 +159,8 @@
159 159  
160 160  (((
161 161  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.
172 +
173 +
162 162  )))
163 163  
164 164  == 3.2 Example to join LoRaWAN network ==
... ... @@ -194,8 +194,6 @@
194 194  )))
195 195  
196 196  
197 -
198 -
199 199  [[image:image-20220519174512-1.png]]
200 200  
201 201  [[image:image-20220519174512-2.png||height="328" width="731"]]
... ... @@ -219,10 +219,13 @@
219 219  
220 220  [[image:1652953568895-172.png||height="232" width="724"]]
221 221  
232 +
222 222  == 3.3 Configure Commands to read data ==
223 223  
224 224  (((
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.
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 +
226 226  )))
227 227  
228 228  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
... ... @@ -323,8 +323,9 @@
323 323  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
324 324  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
325 325  
326 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
339 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
327 327  
341 +
328 328  === 3.3.3 Configure read commands for each sampling ===
329 329  
330 330  (((
... ... @@ -422,7 +422,7 @@
422 422  
423 423  **Examples:**
424 424  
425 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
439 +1For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
426 426  
427 427  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
428 428  
... ... @@ -430,7 +430,7 @@
430 430  
431 431  [[image:1653271044481-711.png]]
432 432  
433 -1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
447 +2)For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
434 434  
435 435  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
436 436  
... ... @@ -438,10 +438,10 @@
438 438  
439 439  [[image:1653271276735-972.png]]
440 440  
441 -
442 442  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
443 443  
444 -|(((
457 +(% style="background-color:#4f81bd; color:white; width:729px" %)
458 +|(% style="width:726px" %)(((
445 445  **AT+DATACUTx=a,b,c**
446 446  
447 447  * **a: length for the return of AT+COMMAND**
... ... @@ -449,98 +449,143 @@
449 449  * **c: define the position for valid value.  **
450 450  )))
451 451  
452 -Examples:
466 +**Examples:**
453 453  
454 454  * Grab bytes:
455 455  
456 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
470 +[[image:1653271581490-837.png||height="313" width="722"]]
457 457  
472 +
458 458  * Grab a section.
459 459  
460 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
475 +[[image:1653271648378-342.png||height="326" width="720"]]
461 461  
477 +
462 462  * Grab different sections.
463 463  
464 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
480 +[[image:1653271657255-576.png||height="305" width="730"]]
465 465  
482 +(((
483 +(% style="color:red" %)**Note:**
484 +)))
466 466  
467 -Note:
468 -
486 +(((
469 469  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.
488 +)))
470 470  
471 -Example:
490 +(((
491 +**Example:**
492 +)))
472 472  
473 -AT+COMMAND1=11 01 1E D0,0
494 +(((
495 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
496 +)))
474 474  
475 -AT+SEARCH1=1,1E 56 34
498 +(((
499 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
500 +)))
476 476  
477 -AT+DATACUT1=0,2,1~~5
502 +(((
503 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
504 +)))
478 478  
479 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
506 +(((
507 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
508 +)))
480 480  
481 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
510 +(((
511 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
512 +)))
482 482  
483 -Valid payload after DataCUT command: 2e 30 58 5f 36
514 +(((
515 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
516 +)))
484 484  
485 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
518 +[[image:1653271763403-806.png]]
486 486  
487 487  
521 +=== 3.3.4 Compose the uplink payload ===
488 488  
489 -
490 -1.
491 -11.
492 -111. Compose the uplink payload
493 -
523 +(((
494 494  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.**
525 +)))
495 495  
527 +(((
528 +(% style="color:#037691" %)**Examples: AT+DATAUP=0**
529 +)))
496 496  
497 -**Examples: AT+DATAUP=0**
531 +(((
532 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
533 +)))
498 498  
499 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
500 -
535 +(((
501 501  Final Payload is
537 +)))
502 502  
503 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
539 +(((
540 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
541 +)))
504 504  
543 +(((
505 505  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
545 +)))
506 506  
507 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
547 +[[image:1653272787040-634.png||height="515" width="719"]]
508 508  
509 509  
510 510  
511 -**Examples: AT+DATAUP=1**
551 +(((
552 +(% style="color:#037691" %)**Examples: AT+DATAUP=1**
512 512  
513 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
554 +
555 +)))
514 514  
557 +(((
558 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
559 +)))
560 +
561 +(((
515 515  Final Payload is
563 +)))
516 516  
517 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
565 +(((
566 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
567 +)))
518 518  
519 -1. Battery Info (2 bytes): Battery voltage
520 -1. PAYVER (1 byte): Defined by AT+PAYVER
521 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
522 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
523 -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
569 +1. (((
570 +Battery Info (2 bytes): Battery voltage
571 +)))
572 +1. (((
573 +PAYVER (1 byte): Defined by AT+PAYVER
574 +)))
575 +1. (((
576 +PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
577 +)))
578 +1. (((
579 +PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
580 +)))
581 +1. (((
582 +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
583 +)))
524 524  
525 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
585 +[[image:1653272817147-600.png||height="437" width="717"]]
526 526  
527 -
528 528  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
529 529  
530 -DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
531 531  
532 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
590 +DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
533 533  
534 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
592 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
535 535  
594 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
536 536  
537 537  
538 538  Below are the uplink payloads:
539 539  
540 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
599 +[[image:1653272901032-107.png]]
541 541  
542 542  
543 -Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
602 +(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
544 544  
545 545   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
546 546  
... ... @@ -552,139 +552,187 @@
552 552  
553 553  
554 554  
555 -1.
556 -11.
557 -111. Uplink on demand
614 +=== 3.3.5 Uplink on demand ===
558 558  
616 +(((
559 559  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.
618 +)))
560 560  
620 +(((
561 561  Downlink control command:
622 +)))
562 562  
563 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
624 +(((
625 +**0x08 command**: Poll an uplink with current command set in RS485-BL.
626 +)))
564 564  
565 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
628 +(((
629 +**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
566 566  
631 +
632 +)))
567 567  
634 +=== 3.3.6 Uplink on Interrupt ===
568 568  
569 -1.
570 -11.
571 -111. Uplink on Interrupt
636 +Put the interrupt sensor between 3.3v_out and GPIO ext.
572 572  
573 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
638 +[[image:1653273818896-432.png]]
574 574  
640 +
641 +(((
575 575  AT+INTMOD=0  Disable Interrupt
643 +)))
576 576  
645 +(((
577 577  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
647 +)))
578 578  
649 +(((
579 579  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
651 +)))
580 580  
653 +(((
581 581  AT+INTMOD=3  Interrupt trigger by rising edge.
582 582  
656 +
657 +)))
583 583  
584 -1.
585 -11. Uplink Payload
659 +== 3.4 Uplink Payload ==
586 586  
587 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
588 -|Value|(((
661 +(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
662 +|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
663 +|Value|(% style="width:130px" %)(((
664 +(((
589 589  Battery(mV)
666 +)))
590 590  
668 +(((
591 591  &
670 +)))
592 592  
672 +(((
593 593  Interrupt _Flag
594 -)))|(((
674 +)))
675 +)))|(% style="width:93px" %)(((
595 595  PAYLOAD_VER
596 596  
597 597  
598 -)))|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.
679 +)))|(% 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.
599 599  
600 600  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
601 601  
683 +(((
684 +{{{function Decoder(bytes, port) {}}}
685 +)))
602 602  
603 -function Decoder(bytes, port) {
687 +(((
688 +{{{//Payload Formats of RS485-BL Deceive}}}
689 +)))
604 604  
605 -~/~/Payload Formats of RS485-BL Deceive
691 +(((
692 +{{{return {}}}
693 +)))
606 606  
607 -return {
695 +(((
696 +{{{ //Battery,units:V}}}
697 +)))
608 608  
609 - ~/~/Battery,units:V
699 +(((
700 +{{{ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}}
701 +)))
610 610  
611 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
703 +(((
704 +{{{ //GPIO_EXTI }}}
705 +)))
612 612  
613 - ~/~/GPIO_EXTI 
707 +(((
708 +{{{ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}}
709 +)))
614 614  
615 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
711 +(((
712 +{{{ //payload of version}}}
713 +)))
616 616  
617 - ~/~/payload of version
715 +(((
716 +{{{ Pay_ver:bytes[2],}}}
717 +)))
618 618  
619 - Pay_ver:bytes[2],
719 +(((
720 +{{{ }; }}}
721 +)))
620 620  
621 - };
723 +(((
724 +}
622 622  
623 - }
726 +
727 +)))
624 624  
729 +(((
730 +TTN V3 uplink screen shot.
731 +)))
625 625  
733 +[[image:1653274001211-372.png||height="192" width="732"]]
626 626  
627 627  
736 +== 3.5 Configure RS485-BL via AT or Downlink ==
628 628  
738 +User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
629 629  
740 +There are two kinds of Commands:
630 630  
631 -TTN V3 uplink screen shot.
742 +* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
632 632  
633 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
744 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
634 634  
635 -1.
636 -11. Configure RS485-BL via AT or Downlink
637 637  
638 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
747 +=== 3.5.1 Common Commands: ===
639 639  
640 -There are two kinds of Commands:
749 +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]]
641 641  
642 -* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
643 643  
644 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
752 +=== 3.5.2 Sensor related commands: ===
645 645  
646 -1.
647 -11.
648 -111. Common Commands:
754 +==== ====
649 649  
650 -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]]
756 +==== **Choose Device Type (RS485 or TTL)** ====
651 651  
652 -
653 -1.
654 -11.
655 -111. Sensor related commands:
656 -
657 -==== Choose Device Type (RS485 or TTL) ====
658 -
659 659  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
660 660  
661 -* AT Command
760 +* **AT Command**
662 662  
762 +(% class="box infomessage" %)
763 +(((
663 663  **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
765 +)))
664 664  
767 +(% class="box infomessage" %)
768 +(((
665 665  **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
770 +)))
666 666  
667 667  
668 -* Downlink Payload
773 +* **Downlink Payload**
669 669  
670 -**0A aa**     à same as AT+MOD=aa
775 +**0A aa**  ~-~->  same as AT+MOD=aa
671 671  
672 672  
673 673  
674 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
779 +==== **RS485 Debug Command (AT+CFGDEV)** ====
675 675  
676 676  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
677 677  
678 -* AT Command
783 +* **AT Command**
679 679  
680 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
785 +(% class="box infomessage" %)
786 +(((
787 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
788 +)))
681 681  
682 682  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
683 683  
684 684  
793 +* **Downlink Payload**
685 685  
686 -* Downlink Payload
687 -
688 688  Format: A8 MM NN XX XX XX XX YY
689 689  
690 690  Where:
... ... @@ -698,15 +698,15 @@
698 698  
699 699  To connect a Modbus Alarm with below commands.
700 700  
701 -* 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.
808 +* 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.
702 702  
703 -* 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.
810 +* 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.
704 704  
705 705  So if user want to use downlink command to control to RS485 Alarm, he can use:
706 706  
707 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
814 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
708 708  
709 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
816 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
710 710  
711 711  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.
712 712  
... ... @@ -715,32 +715,35 @@
715 715  
716 716  Check TTL Sensor return:
717 717  
718 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
825 +[[image:1654132684752-193.png]]
719 719  
720 720  
721 721  
829 +==== **Set Payload version** ====
722 722  
723 -==== Set Payload version ====
724 -
725 725  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.
726 726  
727 -* AT Command:
833 +* **AT Command:**
728 728  
729 -AT+PAYVER: Set PAYVER field = 1
835 +(% class="box infomessage" %)
836 +(((
837 +**AT+PAYVER: Set PAYVER field = 1**
838 +)))
730 730  
731 731  
732 -* Downlink Payload:
841 +* **Downlink Payload:**
733 733  
734 -0xAE 01   à Set PAYVER field =  0x01
843 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
735 735  
736 -0xAE 0F   à Set PAYVER field =  0x0F
845 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
737 737  
738 738  
739 -==== Set RS485 Sampling Commands ====
740 740  
849 +==== **Set RS485 Sampling Commands** ====
850 +
741 741  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
742 742  
743 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
853 +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"]].
744 744  
745 745  
746 746  * AT Command:
... ... @@ -957,13 +957,13 @@
957 957  
958 958  
959 959  
960 -1.
1070 +1.
961 961  11. Buttons
962 962  
963 963  |**Button**|**Feature**
964 964  |**RST**|Reboot RS485-BL
965 965  
966 -1.
1076 +1.
967 967  11. +3V3 Output
968 968  
969 969  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -981,7 +981,7 @@
981 981  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
982 982  
983 983  
984 -1.
1094 +1.
985 985  11. +5V Output
986 986  
987 987  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1001,13 +1001,13 @@
1001 1001  
1002 1002  
1003 1003  
1004 -1.
1114 +1.
1005 1005  11. LEDs
1006 1006  
1007 1007  |**LEDs**|**Feature**
1008 1008  |**LED1**|Blink when device transmit a packet.
1009 1009  
1010 -1.
1120 +1.
1011 1011  11. Switch Jumper
1012 1012  
1013 1013  |**Switch Jumper**|**Feature**
... ... @@ -1053,7 +1053,7 @@
1053 1053  
1054 1054  
1055 1055  
1056 -1.
1166 +1.
1057 1057  11. Common AT Command Sequence
1058 1058  111. Multi-channel ABP mode (Use with SX1301/LG308)
1059 1059  
... ... @@ -1072,8 +1072,8 @@
1072 1072  
1073 1073  ATZ
1074 1074  
1075 -1.
1076 -11.
1185 +1.
1186 +11.
1077 1077  111. Single-channel ABP mode (Use with LG01/LG02)
1078 1078  
1079 1079  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1148,7 +1148,7 @@
1148 1148  [[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]]
1149 1149  
1150 1150  
1151 -1.
1261 +1.
1152 1152  11. How to change the LoRa Frequency Bands/Region?
1153 1153  
1154 1154  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1155,7 +1155,7 @@
1155 1155  
1156 1156  
1157 1157  
1158 -1.
1268 +1.
1159 1159  11. How many RS485-Slave can RS485-BL connects?
1160 1160  
1161 1161  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]].
... ... @@ -1172,7 +1172,7 @@
1172 1172  
1173 1173  
1174 1174  
1175 -1.
1285 +1.
1176 1176  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1177 1177  
1178 1178  It might about the channels mapping. Please see for detail.
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