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... ... @@ -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  (((
... ... @@ -51,6 +51,8 @@
51 51  
52 52  [[image:1652953304999-717.png||height="424" width="733"]]
53 53  
57 +
58 +
54 54  == 1.2 Specifications ==
55 55  
56 56  **Hardware System:**
... ... @@ -60,7 +60,7 @@
60 60  * Power Consumption (exclude RS485 device):
61 61  ** Idle: 6uA@3.3v
62 62  
63 -*
68 +*
64 64  ** 20dB Transmit: 130mA@3.3v
65 65  
66 66  **Interface for Model:**
... ... @@ -90,6 +90,7 @@
90 90  * 127 dB Dynamic Range RSSI.
91 91  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
92 92  
98 +
93 93  == 1.3 Features ==
94 94  
95 95  * LoRaWAN Class A & Class C protocol (default Class A)
... ... @@ -101,6 +101,7 @@
101 101  * Support Modbus protocol
102 102  * Support Interrupt uplink
103 103  
110 +
104 104  == 1.4 Applications ==
105 105  
106 106  * Smart Buildings & Home Automation
... ... @@ -110,10 +110,12 @@
110 110  * Smart Cities
111 111  * Smart Factory
112 112  
120 +
113 113  == 1.5 Firmware Change log ==
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  
125 +
117 117  == 1.6 Hardware Change log ==
118 118  
119 119  (((
... ... @@ -140,6 +140,8 @@
140 140  
141 141  (((
142 142  Release version ​​​​​
152 +
153 +
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  
167 +
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.
174 +
175 +
162 162  )))
163 163  
164 164  == 3.2 Example to join LoRaWAN network ==
... ... @@ -222,7 +222,9 @@
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.
239 +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.
240 +
241 +
226 226  )))
227 227  
228 228  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
... ... @@ -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 -|(((
459 +(% style="background-color:#4f81bd; color:white; width:729px" %)
460 +|(% style="width:726px" %)(((
445 445  **AT+DATACUTx=a,b,c**
446 446  
447 447  * **a: length for the return of AT+COMMAND**
... ... @@ -453,95 +453,130 @@
453 453  
454 454  * Grab bytes:
455 455  
456 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
472 +[[image:1653271581490-837.png||height="313" width="722"]]
457 457  
458 458  * Grab a section.
459 459  
460 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
476 +[[image:1653271648378-342.png||height="326" width="720"]]
461 461  
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  
520 +=== 3.3.4 Compose the uplink payload ===
487 487  
488 -
489 -
490 -1.
491 -11.
492 -111. Compose the uplink payload
493 -
522 +(((
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.**
524 +)))
495 495  
526 +(((
527 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
528 +)))
496 496  
497 -**Examples: AT+DATAUP=0**
530 +(((
531 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
532 +)))
498 498  
499 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
500 -
534 +(((
501 501  Final Payload is
536 +)))
502 502  
503 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
538 +(((
539 +(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
540 +)))
504 504  
542 +(((
505 505  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
544 +)))
506 506  
507 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
546 +[[image:1653272787040-634.png||height="515" width="719"]]
508 508  
548 +(((
549 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
550 +)))
509 509  
552 +(((
553 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
554 +)))
510 510  
511 -**Examples: AT+DATAUP=1**
512 -
513 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
514 -
556 +(((
515 515  Final Payload is
558 +)))
516 516  
517 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
560 +(((
561 +(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
562 +)))
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
564 +1. (((
565 +Battery Info (2 bytes): Battery voltage
566 +)))
567 +1. (((
568 +PAYVER (1 byte): Defined by AT+PAYVER
569 +)))
570 +1. (((
571 +PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
572 +)))
573 +1. (((
574 +PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
575 +)))
576 +1. (((
577 +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
578 +)))
524 524  
525 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
580 +[[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
584 +DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 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
586 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
533 533  
534 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
588 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
535 535  
536 -
537 -
538 538  Below are the uplink payloads:
539 539  
540 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
592 +[[image:1653272901032-107.png]]
541 541  
594 +(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
542 542  
543 -Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
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  
547 547   * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
... ... @@ -550,90 +550,121 @@
550 550  
551 551   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
552 552  
604 +=== 3.3.5 Uplink on demand ===
553 553  
554 -
555 -1.
556 -11.
557 -111. Uplink on demand
558 -
606 +(((
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.
608 +)))
560 560  
610 +(((
561 561  Downlink control command:
612 +)))
562 562  
563 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
614 +(((
615 +**0x08 command**: Poll an uplink with current command set in RS485-BL.
616 +)))
564 564  
565 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
618 +(((
619 +**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
620 +)))
566 566  
622 +=== 3.3.6 Uplink on Interrupt ===
567 567  
624 +Put the interrupt sensor between 3.3v_out and GPIO ext.
568 568  
569 -1.
570 -11.
571 -111. Uplink on Interrupt
626 +[[image:1653273818896-432.png]]
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]]
574 -
628 +(((
575 575  AT+INTMOD=0  Disable Interrupt
630 +)))
576 576  
632 +(((
577 577  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
634 +)))
578 578  
636 +(((
579 579  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
638 +)))
580 580  
640 +(((
581 581  AT+INTMOD=3  Interrupt trigger by rising edge.
642 +)))
582 582  
644 +== 3.4 Uplink Payload ==
583 583  
584 -1.
585 -11. Uplink Payload
586 -
587 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
588 -|Value|(((
646 +(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
647 +|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
648 +|Value|(% style="width:130px" %)(((
649 +(((
589 589  Battery(mV)
651 +)))
590 590  
653 +(((
591 591  &
655 +)))
592 592  
657 +(((
593 593  Interrupt _Flag
594 -)))|(((
659 +)))
660 +)))|(% 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.
664 +)))|(% 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  
602 -
668 +(((
603 603  function Decoder(bytes, port) {
670 +)))
604 604  
672 +(((
605 605  ~/~/Payload Formats of RS485-BL Deceive
674 +)))
606 606  
676 +(((
607 607  return {
678 +)))
608 608  
680 +(((
609 609   ~/~/Battery,units:V
682 +)))
610 610  
684 +(((
611 611   BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
686 +)))
612 612  
688 +(((
613 613   ~/~/GPIO_EXTI 
690 +)))
614 614  
692 +(((
615 615   EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
694 +)))
616 616  
696 +(((
617 617   ~/~/payload of version
698 +)))
618 618  
700 +(((
619 619   Pay_ver:bytes[2],
702 +)))
620 620  
704 +(((
621 621   };
706 +)))
622 622  
708 +(((
623 623   }
710 +)))
624 624  
625 -
626 -
627 -
628 -
629 -
630 -
712 +(((
631 631  TTN V3 uplink screen shot.
714 +)))
632 632  
633 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
716 +[[image:1653274001211-372.png||height="192" width="732"]]
634 634  
635 -1.
636 -11. Configure RS485-BL via AT or Downlink
718 +== 3.5 Configure RS485-BL via AT or Downlink ==
637 637  
638 638  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
639 639  
... ... @@ -643,15 +643,15 @@
643 643  
644 644  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
645 645  
646 -1.
647 -11.
728 +1.
729 +11.
648 648  111. Common Commands:
649 649  
650 650  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]]
651 651  
652 652  
653 -1.
654 -11.
735 +1.
736 +11.
655 655  111. Sensor related commands:
656 656  
657 657  ==== Choose Device Type (RS485 or TTL) ====
... ... @@ -957,13 +957,13 @@
957 957  
958 958  
959 959  
960 -1.
1042 +1.
961 961  11. Buttons
962 962  
963 963  |**Button**|**Feature**
964 964  |**RST**|Reboot RS485-BL
965 965  
966 -1.
1048 +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.
1066 +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.
1086 +1.
1005 1005  11. LEDs
1006 1006  
1007 1007  |**LEDs**|**Feature**
1008 1008  |**LED1**|Blink when device transmit a packet.
1009 1009  
1010 -1.
1092 +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.
1138 +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.
1157 +1.
1158 +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.
1233 +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.
1240 +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.
1257 +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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