Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -25,19 +25,19 @@ 25 25 ))) 26 26 27 27 ((( 28 -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. 29 29 ))) 30 30 31 31 ((( 32 -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. 33 33 ))) 34 34 35 35 ((( 36 -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. 37 37 ))) 38 38 39 39 ((( 40 -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. 41 41 ))) 42 42 43 43 ((( ... ... @@ -54,8 +54,11 @@ 54 54 55 55 [[image:1652953304999-717.png||height="424" width="733"]] 56 56 57 + 58 + 57 57 == 1.2 Specifications == 58 58 61 + 59 59 **Hardware System:** 60 60 61 61 * STM32L072CZT6 MCU ... ... @@ -62,8 +62,6 @@ 62 62 * SX1276/78 Wireless Chip 63 63 * Power Consumption (exclude RS485 device): 64 64 ** Idle: 6uA@3.3v 65 - 66 -* 67 67 ** 20dB Transmit: 130mA@3.3v 68 68 69 69 **Interface for Model:** ... ... @@ -117,9 +117,12 @@ 117 117 118 118 [[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);"]] 119 119 121 + 120 120 == 1.6 Hardware Change log == 121 121 122 122 ((( 125 + 126 + 123 123 v1.4 124 124 ))) 125 125 ... ... @@ -202,8 +202,6 @@ 202 202 ))) 203 203 204 204 205 - 206 - 207 207 [[image:image-20220519174512-1.png]] 208 208 209 209 [[image:image-20220519174512-2.png||height="328" width="731"]] ... ... @@ -227,6 +227,7 @@ 227 227 228 228 [[image:1652953568895-172.png||height="232" width="724"]] 229 229 232 + 230 230 == 3.3 Configure Commands to read data == 231 231 232 232 ((( ... ... @@ -333,8 +333,9 @@ 333 333 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 334 334 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 335 335 336 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>> path:#AT_CFGDEV]].339 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 337 337 341 + 338 338 === 3.3.3 Configure read commands for each sampling === 339 339 340 340 ((( ... ... @@ -432,7 +432,7 @@ 432 432 433 433 **Examples:** 434 434 435 -1 .For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49439 +1)For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 436 436 437 437 If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 438 438 ... ... @@ -440,7 +440,7 @@ 440 440 441 441 [[image:1653271044481-711.png]] 442 442 443 - 1.For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49447 +2)For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 444 444 445 445 If we set AT+SEARCH1=2, 1E 56 34+31 00 49 446 446 ... ... @@ -459,16 +459,18 @@ 459 459 * **c: define the position for valid value. ** 460 460 ))) 461 461 462 -Examples: 466 +**Examples:** 463 463 464 464 * Grab bytes: 465 465 466 466 [[image:1653271581490-837.png||height="313" width="722"]] 467 467 472 + 468 468 * Grab a section. 469 469 470 470 [[image:1653271648378-342.png||height="326" width="720"]] 471 471 477 + 472 472 * Grab different sections. 473 473 474 474 [[image:1653271657255-576.png||height="305" width="730"]] ... ... @@ -511,6 +511,7 @@ 511 511 512 512 [[image:1653271763403-806.png]] 513 513 520 + 514 514 === 3.3.4 Compose the uplink payload === 515 515 516 516 ((( ... ... @@ -518,7 +518,7 @@ 518 518 ))) 519 519 520 520 ((( 521 -(% style="color:# 4f81bd" %)**Examples: AT+DATAUP=0**528 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 522 522 ))) 523 523 524 524 ((( ... ... @@ -530,7 +530,7 @@ 530 530 ))) 531 531 532 532 ((( 533 -(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx 540 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx** 534 534 ))) 535 535 536 536 ((( ... ... @@ -539,8 +539,12 @@ 539 539 540 540 [[image:1653272787040-634.png||height="515" width="719"]] 541 541 549 + 550 + 542 542 ((( 543 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 552 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 553 + 554 + 544 544 ))) 545 545 546 546 ((( ... ... @@ -552,7 +552,7 @@ 552 552 ))) 553 553 554 554 ((( 555 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 566 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 556 556 ))) 557 557 558 558 1. ((( ... ... @@ -575,6 +575,7 @@ 575 575 576 576 So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 577 577 589 + 578 578 DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41 579 579 580 580 DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20 ... ... @@ -581,10 +581,12 @@ 581 581 582 582 DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30 583 583 596 + 584 584 Below are the uplink payloads: 585 585 586 586 [[image:1653272901032-107.png]] 587 587 601 + 588 588 (% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below: 589 589 590 590 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date) ... ... @@ -595,6 +595,8 @@ 595 595 596 596 ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 597 597 612 + 613 + 598 598 === 3.3.5 Uplink on demand === 599 599 600 600 ((( ... ... @@ -611,6 +611,8 @@ 611 611 612 612 ((( 613 613 **0xA8 command**: Send a command to RS485-BL and uplink the output from sensors. 630 + 631 + 614 614 ))) 615 615 616 616 === 3.3.6 Uplink on Interrupt === ... ... @@ -619,6 +619,7 @@ 619 619 620 620 [[image:1653273818896-432.png]] 621 621 640 + 622 622 ((( 623 623 AT+INTMOD=0 Disable Interrupt 624 624 ))) ... ... @@ -633,6 +633,8 @@ 633 633 634 634 ((( 635 635 AT+INTMOD=3 Interrupt trigger by rising edge. 655 + 656 + 636 636 ))) 637 637 638 638 == 3.4 Uplink Payload == ... ... @@ -660,47 +660,49 @@ 660 660 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 661 661 662 662 ((( 663 -function Decoder(bytes, port) { 684 +{{{function Decoder(bytes, port) {}}} 664 664 ))) 665 665 666 666 ((( 667 - ~/~/Payload Formats of RS485-BL Deceive688 +{{{//Payload Formats of RS485-BL Deceive}}} 668 668 ))) 669 669 670 670 ((( 671 -return { 692 +{{{return {}}} 672 672 ))) 673 673 674 674 ((( 675 - ~/~/Battery,units:V696 +{{{ //Battery,units:V}}} 676 676 ))) 677 677 678 678 ((( 679 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 700 +{{{ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}} 680 680 ))) 681 681 682 682 ((( 683 - ~/~/GPIO_EXTI704 +{{{ //GPIO_EXTI }}} 684 684 ))) 685 685 686 686 ((( 687 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 708 +{{{ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}} 688 688 ))) 689 689 690 690 ((( 691 - ~/~/payload of version712 +{{{ //payload of version}}} 692 692 ))) 693 693 694 694 ((( 695 - Pay_ver:bytes[2], 716 +{{{ Pay_ver:bytes[2],}}} 696 696 ))) 697 697 698 698 ((( 699 - }; 720 +{{{ }; }}} 700 700 ))) 701 701 702 702 ((( 703 - } 724 +} 725 + 726 + 704 704 ))) 705 705 706 706 ((( ... ... @@ -709,58 +709,65 @@ 709 709 710 710 [[image:1653274001211-372.png||height="192" width="732"]] 711 711 735 + 712 712 == 3.5 Configure RS485-BL via AT or Downlink == 713 713 714 -User can configure RS485-BL via [[AT Commands>>path:#_Using_the_AT]]or LoRaWAN Downlink Commands738 +User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands 715 715 716 716 There are two kinds of Commands: 717 717 718 -* **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_Commands742 +* (% 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]] 719 719 720 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 744 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 721 721 722 -1. 723 -11. 724 -111. Common Commands: 746 +=== 3.5.1 Common Commands: === 725 725 726 -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]]748 +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]] 727 727 728 728 729 -1. 730 -11. 731 -111. Sensor related commands: 751 +=== 3.5.2 Sensor related commands: === 732 732 733 -==== ChooseDeviceType (RS485 or TTL)====753 +==== ==== 734 734 755 +==== **Choose Device Type (RS485 or TTL)** ==== 756 + 735 735 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 736 736 737 -* AT Command 759 +* **AT Command** 738 738 761 +(% class="box infomessage" %) 762 +((( 739 739 **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 764 +))) 740 740 766 +(% class="box infomessage" %) 767 +((( 741 741 **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 769 +))) 742 742 743 743 744 -* Downlink Payload 772 +* **Downlink Payload** 745 745 746 -**0A aa** àsame as AT+MOD=aa774 +**0A aa** ~-~-> same as AT+MOD=aa 747 747 748 748 749 749 750 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====778 +==== **RS485 Debug Command (AT+CFGDEV)** ==== 751 751 752 752 This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 753 753 754 -* AT Command 782 +* **AT Command** 755 755 756 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 784 +(% class="box infomessage" %) 785 +((( 786 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 787 +))) 757 757 758 758 m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 759 759 760 760 792 +* **Downlink Payload** 761 761 762 -* Downlink Payload 763 - 764 764 Format: A8 MM NN XX XX XX XX YY 765 765 766 766 Where: ... ... @@ -774,15 +774,15 @@ 774 774 775 775 To connect a Modbus Alarm with below commands. 776 776 777 -* 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. 807 +* 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. 778 778 779 -* 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. 809 +* 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. 780 780 781 781 So if user want to use downlink command to control to RS485 Alarm, he can use: 782 782 783 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm 813 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 784 784 785 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm 815 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 786 786 787 787 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. 788 788 ... ... @@ -791,48 +791,60 @@ 791 791 792 792 Check TTL Sensor return: 793 793 794 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]824 +[[image:1654132684752-193.png]] 795 795 796 796 797 797 828 +==== **Set Payload version** ==== 798 798 799 -==== Set Payload version ==== 800 - 801 801 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. 802 802 803 -* AT Command: 832 +* **AT Command:** 804 804 805 -AT+PAYVER: Set PAYVER field = 1 834 +(% class="box infomessage" %) 835 +((( 836 +**AT+PAYVER: Set PAYVER field = 1** 837 +))) 806 806 807 807 808 -* Downlink Payload: 840 +* **Downlink Payload:** 809 809 810 -0xAE 01 àSet PAYVER field = 0x01842 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 811 811 812 -0xAE 0F àSet PAYVER field = 0x0F844 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 813 813 814 814 815 -==== Set RS485 Sampling Commands ==== 816 816 848 +==== **Set RS485 Sampling Commands** ==== 849 + 817 817 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 818 818 819 -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]].852 +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"]]. 820 820 821 821 822 -* AT Command: 855 +* **AT Command:** 823 823 824 -AT+COMMANDx: Configure RS485 read command to sensor. 857 +(% class="box infomessage" %) 858 +((( 859 +**AT+COMMANDx: Configure RS485 read command to sensor.** 860 +))) 825 825 826 -AT+DATACUTx: Configure how to handle return from RS485 devices. 862 +(% class="box infomessage" %) 863 +((( 864 +**AT+DATACUTx: Configure how to handle return from RS485 devices.** 865 +))) 827 827 828 -AT+SEARCHx: Configure search command 867 +(% class="box infomessage" %) 868 +((( 869 +**AT+SEARCHx: Configure search command** 870 +))) 829 829 830 830 831 -* Downlink Payload: 873 +* **Downlink Payload:** 832 832 833 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 875 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 834 834 835 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 877 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 836 836 837 837 Format: AF MM NN LL XX XX XX XX YY 838 838 ... ... @@ -839,18 +839,18 @@ 839 839 Where: 840 840 841 841 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 842 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 843 -* LL: The length of AT+COMMAND or AT+DATACUT command 884 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 885 +* LL: The length of AT+COMMAND or AT+DATACUT command 844 844 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 845 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command. 887 +* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command. 846 846 847 -Example: 889 +**Example:** 848 848 849 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 891 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 850 850 851 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10** 893 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10** 852 852 853 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10** 895 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10** 854 854 855 855 856 856 0xAB downlink command can be used for set AT+SEARCHx
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