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 ... ... @@ -143,6 +143,8 @@ 143 143 144 144 ((( 145 145 Release version 150 + 151 + 146 146 ))) 147 147 148 148 = 2. Pin mapping and Power ON Device = ... ... @@ -156,6 +156,7 @@ 156 156 157 157 The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper. 158 158 165 + 159 159 = 3. Operation Mode = 160 160 161 161 == 3.1 How it works? == ... ... @@ -199,8 +199,6 @@ 199 199 ))) 200 200 201 201 202 - 203 - 204 204 [[image:image-20220519174512-1.png]] 205 205 206 206 [[image:image-20220519174512-2.png||height="328" width="731"]] ... ... @@ -224,6 +224,7 @@ 224 224 225 225 [[image:1652953568895-172.png||height="232" width="724"]] 226 226 232 + 227 227 == 3.3 Configure Commands to read data == 228 228 229 229 ((( ... ... @@ -330,8 +330,9 @@ 330 330 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 331 331 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 332 332 333 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>> path:#AT_CFGDEV]].339 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 334 334 341 + 335 335 === 3.3.3 Configure read commands for each sampling === 336 336 337 337 ((( ... ... @@ -429,7 +429,7 @@ 429 429 430 430 **Examples:** 431 431 432 -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 49 433 433 434 434 If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 435 435 ... ... @@ -437,7 +437,7 @@ 437 437 438 438 [[image:1653271044481-711.png]] 439 439 440 - 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 49 441 441 442 442 If we set AT+SEARCH1=2, 1E 56 34+31 00 49 443 443 ... ... @@ -456,16 +456,18 @@ 456 456 * **c: define the position for valid value. ** 457 457 ))) 458 458 459 -Examples: 466 +**Examples:** 460 460 461 461 * Grab bytes: 462 462 463 463 [[image:1653271581490-837.png||height="313" width="722"]] 464 464 472 + 465 465 * Grab a section. 466 466 467 467 [[image:1653271648378-342.png||height="326" width="720"]] 468 468 477 + 469 469 * Grab different sections. 470 470 471 471 [[image:1653271657255-576.png||height="305" width="730"]] ... ... @@ -508,6 +508,7 @@ 508 508 509 509 [[image:1653271763403-806.png]] 510 510 520 + 511 511 === 3.3.4 Compose the uplink payload === 512 512 513 513 ((( ... ... @@ -515,7 +515,7 @@ 515 515 ))) 516 516 517 517 ((( 518 -(% style="color:# 4f81bd" %)**Examples: AT+DATAUP=0**528 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 519 519 ))) 520 520 521 521 ((( ... ... @@ -527,7 +527,7 @@ 527 527 ))) 528 528 529 529 ((( 530 -(% 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** 531 531 ))) 532 532 533 533 ((( ... ... @@ -536,8 +536,12 @@ 536 536 537 537 [[image:1653272787040-634.png||height="515" width="719"]] 538 538 549 + 550 + 539 539 ((( 540 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 552 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 553 + 554 + 541 541 ))) 542 542 543 543 ((( ... ... @@ -549,7 +549,7 @@ 549 549 ))) 550 550 551 551 ((( 552 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 566 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 553 553 ))) 554 554 555 555 1. ((( ... ... @@ -572,6 +572,7 @@ 572 572 573 573 So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 574 574 589 + 575 575 DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41 576 576 577 577 DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20 ... ... @@ -578,10 +578,12 @@ 578 578 579 579 DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30 580 580 596 + 581 581 Below are the uplink payloads: 582 582 583 583 [[image:1653272901032-107.png]] 584 584 601 + 585 585 (% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below: 586 586 587 587 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date) ... ... @@ -592,6 +592,8 @@ 592 592 593 593 ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 594 594 612 + 613 + 595 595 === 3.3.5 Uplink on demand === 596 596 597 597 ((( ... ... @@ -608,6 +608,8 @@ 608 608 609 609 ((( 610 610 **0xA8 command**: Send a command to RS485-BL and uplink the output from sensors. 630 + 631 + 611 611 ))) 612 612 613 613 === 3.3.6 Uplink on Interrupt === ... ... @@ -616,6 +616,7 @@ 616 616 617 617 [[image:1653273818896-432.png]] 618 618 640 + 619 619 ((( 620 620 AT+INTMOD=0 Disable Interrupt 621 621 ))) ... ... @@ -630,6 +630,8 @@ 630 630 631 631 ((( 632 632 AT+INTMOD=3 Interrupt trigger by rising edge. 655 + 656 + 633 633 ))) 634 634 635 635 == 3.4 Uplink Payload == ... ... @@ -657,47 +657,49 @@ 657 657 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 658 658 659 659 ((( 660 -function Decoder(bytes, port) { 684 +{{{function Decoder(bytes, port) {}}} 661 661 ))) 662 662 663 663 ((( 664 - ~/~/Payload Formats of RS485-BL Deceive688 +{{{//Payload Formats of RS485-BL Deceive}}} 665 665 ))) 666 666 667 667 ((( 668 -return { 692 +{{{return {}}} 669 669 ))) 670 670 671 671 ((( 672 - ~/~/Battery,units:V696 +{{{ //Battery,units:V}}} 673 673 ))) 674 674 675 675 ((( 676 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 700 +{{{ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}} 677 677 ))) 678 678 679 679 ((( 680 - ~/~/GPIO_EXTI704 +{{{ //GPIO_EXTI }}} 681 681 ))) 682 682 683 683 ((( 684 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 708 +{{{ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}} 685 685 ))) 686 686 687 687 ((( 688 - ~/~/payload of version712 +{{{ //payload of version}}} 689 689 ))) 690 690 691 691 ((( 692 - Pay_ver:bytes[2], 716 +{{{ Pay_ver:bytes[2],}}} 693 693 ))) 694 694 695 695 ((( 696 - }; 720 +{{{ }; }}} 697 697 ))) 698 698 699 699 ((( 700 - } 724 +} 725 + 726 + 701 701 ))) 702 702 703 703 ((( ... ... @@ -706,58 +706,65 @@ 706 706 707 707 [[image:1653274001211-372.png||height="192" width="732"]] 708 708 735 + 709 709 == 3.5 Configure RS485-BL via AT or Downlink == 710 710 711 -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 712 712 713 713 There are two kinds of Commands: 714 714 715 -* **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]] 716 716 717 -* **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: 718 718 719 -1. 720 -11. 721 -111. Common Commands: 746 +=== 3.5.1 Common Commands: === 722 722 723 -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]] 724 724 725 725 726 -1. 727 -11. 728 -111. Sensor related commands: 751 +=== 3.5.2 Sensor related commands: === 729 729 730 -==== ChooseDeviceType (RS485 or TTL)====753 +==== ==== 731 731 755 +==== **Choose Device Type (RS485 or TTL)** ==== 756 + 732 732 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 733 733 734 -* AT Command 759 +* **AT Command** 735 735 761 +(% class="box infomessage" %) 762 +((( 736 736 **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 764 +))) 737 737 766 +(% class="box infomessage" %) 767 +((( 738 738 **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 769 +))) 739 739 740 740 741 -* Downlink Payload 772 +* **Downlink Payload** 742 742 743 -**0A aa** àsame as AT+MOD=aa774 +**0A aa** ~-~-> same as AT+MOD=aa 744 744 745 745 746 746 747 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====778 +==== **RS485 Debug Command (AT+CFGDEV)** ==== 748 748 749 749 This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 750 750 751 -* AT Command 782 +* **AT Command** 752 752 753 -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 +))) 754 754 755 755 m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 756 756 757 757 792 +* **Downlink Payload** 758 758 759 -* Downlink Payload 760 - 761 761 Format: A8 MM NN XX XX XX XX YY 762 762 763 763 Where: ... ... @@ -771,15 +771,15 @@ 771 771 772 772 To connect a Modbus Alarm with below commands. 773 773 774 -* 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. 775 775 776 -* 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. 777 777 778 778 So if user want to use downlink command to control to RS485 Alarm, he can use: 779 779 780 -**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 781 781 782 -**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 783 783 784 784 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. 785 785 ... ... @@ -788,48 +788,60 @@ 788 788 789 789 Check TTL Sensor return: 790 790 791 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]824 +[[image:1654132684752-193.png]] 792 792 793 793 794 794 828 +==== **Set Payload version** ==== 795 795 796 -==== Set Payload version ==== 797 - 798 798 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. 799 799 800 -* AT Command: 832 +* **AT Command:** 801 801 802 -AT+PAYVER: Set PAYVER field = 1 834 +(% class="box infomessage" %) 835 +((( 836 +**AT+PAYVER: Set PAYVER field = 1** 837 +))) 803 803 804 804 805 -* Downlink Payload: 840 +* **Downlink Payload:** 806 806 807 -0xAE 01 àSet PAYVER field = 0x01842 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 808 808 809 -0xAE 0F àSet PAYVER field = 0x0F844 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 810 810 811 811 812 -==== Set RS485 Sampling Commands ==== 813 813 848 +==== **Set RS485 Sampling Commands** ==== 849 + 814 814 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 815 815 816 -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"]]. 817 817 818 818 819 -* AT Command: 855 +* **AT Command:** 820 820 821 -AT+COMMANDx: Configure RS485 read command to sensor. 857 +(% class="box infomessage" %) 858 +((( 859 +**AT+COMMANDx: Configure RS485 read command to sensor.** 860 +))) 822 822 823 -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 +))) 824 824 825 -AT+SEARCHx: Configure search command 867 +(% class="box infomessage" %) 868 +((( 869 +**AT+SEARCHx: Configure search command** 870 +))) 826 826 827 827 828 -* Downlink Payload: 873 +* **Downlink Payload:** 829 829 830 -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. 831 831 832 -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. 833 833 834 834 Format: AF MM NN LL XX XX XX XX YY 835 835 ... ... @@ -836,23 +836,23 @@ 836 836 Where: 837 837 838 838 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 839 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 840 -* 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 841 841 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 842 -* 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. 843 843 844 -Example: 889 +**Example:** 845 845 846 -**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 01,1 847 847 848 -**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** 849 849 850 -**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** 851 851 852 852 853 -0xAB downlink command can be used for set AT+SEARCHx 898 +**0xAB** downlink command can be used for set AT+SEARCHx 854 854 855 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 900 +**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 856 856 857 857 * AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 858 858 * AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands ... ... @@ -860,145 +860,164 @@ 860 860 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 861 861 862 862 863 -==== Fast command to handle MODBUS device ==== 864 864 909 +==== **Fast command to handle MODBUS device** ==== 910 + 865 865 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]]. 866 866 867 867 This command is valid since v1.3 firmware version 868 868 869 869 870 -AT+MBFUN has only two value: 916 +**AT+MBFUN has only two value:** 871 871 872 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return 918 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 873 873 874 874 AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore. 875 875 876 -* AT+MBFUN=0: Disable Modbus fast reading. 922 +* **AT+MBFUN=0**: Disable Modbus fast reading. 877 877 878 -Example: 924 +**Example:** 879 879 880 880 * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 881 881 * AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08. 882 882 * AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10. 883 883 884 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]930 +[[image:1654133913295-597.png]] 885 885 886 886 887 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]933 +[[image:1654133954153-643.png]] 888 888 889 889 890 -* Downlink Commands: 936 +* **Downlink Commands:** 891 891 892 -A9 aa - àSame as AT+MBFUN=aa938 +**A9 aa** ~-~-> Same as AT+MBFUN=aa 893 893 894 894 895 -==== RS485 command timeout ==== 896 896 942 +==== **RS485 command timeout** ==== 943 + 897 897 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. 898 898 899 899 Default value: 0, range: 0 ~~ 5 seconds 900 900 901 901 902 -* AT Command: 949 +* **AT Command:** 903 903 904 -AT+CMDDLaa=hex(bb cc) 951 +(% class="box infomessage" %) 952 +((( 953 +**AT+CMDDLaa=hex(bb cc)** 954 +))) 905 905 906 -Example: 956 +**Example:** 907 907 908 908 **AT+CMDDL1=1000** to send the open time to 1000ms 909 909 910 910 911 -* Downlink Payload: 961 +* **Downlink Payload:** 912 912 913 913 0x AA aa bb cc 914 914 915 915 Same as: AT+CMDDLaa=hex(bb cc) 916 916 917 - Example: 967 + **Example:** 918 918 919 - 0xAA 01 03 E8 àSame as **AT+CMDDL1=1000 ms**969 + **0xAA 01 03 E8** ~-~-> Same as **AT+CMDDL1=1000 ms** 920 920 921 921 922 -==== [[Uplink>>path:#downlink_A8]] payload mode ==== 923 923 973 +==== **Uplink payload mode** ==== 974 + 924 924 Define to use one uplink or multiple uplinks for the sampling. 925 925 926 -The use of this command please see: [[Compose Uplink payload>> path:#DataUP]]977 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 927 927 928 -* AT Command: 979 +* **AT Command:** 929 929 930 -AT+DATAUP=0 981 +(% class="box infomessage" %) 982 +((( 983 +**AT+DATAUP=0** 984 +))) 931 931 932 -AT+DATAUP=1 986 +(% class="box infomessage" %) 987 +((( 988 +**AT+DATAUP=1** 989 +))) 933 933 934 934 935 -* Downlink Payload: 992 +* **Downlink Payload:** 936 936 937 -0xAD 00 àSame as AT+DATAUP=0994 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 938 938 939 -0xAD 01 àSame as AT+DATAUP=1996 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 940 940 941 941 942 -==== Manually trigger an Uplink ==== 943 943 1000 +==== **Manually trigger an Uplink** ==== 1001 + 944 944 Ask device to send an uplink immediately. 945 945 946 -* Downlink Payload: 1004 +* **Downlink Payload:** 947 947 948 -0x08 FF, RS485-BL will immediately send an uplink. 1006 +**0x08 FF**, RS485-BL will immediately send an uplink. 949 949 950 950 951 -==== Clear RS485 Command ==== 952 952 1010 +==== **Clear RS485 Command** ==== 1011 + 953 953 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 954 954 955 955 956 -* AT Command: 1015 +* **AT Command:** 957 957 958 -**AT+CMDEAR=mm,nn** 1017 +(% 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 959 959 960 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 961 - 962 962 Example screen shot after clear all RS485 commands. 963 963 964 964 965 - 966 966 The uplink screen shot is: 967 967 968 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1024 +[[image:1654134704555-320.png]] 969 969 970 970 971 -* Downlink Payload: 1027 +* **Downlink Payload:** 972 972 973 -0x09 aa bb same as AT+CMDEAR=aa,bb 1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 974 974 975 975 976 -==== Set Serial Communication Parameters ==== 977 977 1033 +==== **Set Serial Communication Parameters** ==== 1034 + 978 978 Set the Rs485 serial communication parameters: 979 979 980 -* AT Command: 1037 +* **AT Command:** 981 981 982 982 Set Baud Rate: 983 983 984 -AT+BAUDR=9600 ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1041 +(% class="box infomessage" %) 1042 +((( 1043 +**AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 1044 +))) 985 985 1046 +Set UART Parity 986 986 987 -Set UART parity 1048 +(% class="box infomessage" %) 1049 +((( 1050 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1051 +))) 988 988 989 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 990 - 991 - 992 992 Set STOPBIT 993 993 994 -AT+STOPBIT=0 ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1055 +(% class="box infomessage" %) 1056 +((( 1057 +**AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 1058 +))) 995 995 996 996 997 -* Downlink Payload: 1061 +* **Downlink Payload:** 998 998 999 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1063 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1000 1000 1001 -Example: 1065 +**Example:** 1002 1002 1003 1003 * A7 01 00 60 same as AT+BAUDR=9600 1004 1004 * A7 01 04 80 same as AT+BAUDR=115200 ... ... @@ -1008,54 +1008,52 @@ 1008 1008 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1009 1009 1010 1010 1011 -==== Control output power duration ==== 1012 1012 1076 +==== **Control output power duration** ==== 1077 + 1013 1013 User can set the output power duration before each sampling. 1014 1014 1015 -* AT Command: 1080 +* **AT Command:** 1016 1016 1017 -Example: 1082 +**Example:** 1018 1018 1019 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling. 1084 +**AT+3V3T=1000** ~/~/ 3V3 output power will open 1s before each sampling. 1020 1020 1021 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling. 1086 +**AT+5VT=1000** ~/~/ +5V output power will open 1s before each sampling. 1022 1022 1023 1023 1024 -* LoRaWAN Downlink Command: 1089 +* **LoRaWAN Downlink Command:** 1025 1025 1026 -07 01 aa bb Same as AT+5VT=(aa bb) 1091 +**07 01 aa bb** Same as AT+5VT=(aa bb) 1027 1027 1028 -07 02 aa bb Same as AT+3V3T=(aa bb) 1093 +**07 02 aa bb** Same as AT+3V3T=(aa bb) 1029 1029 1030 1030 1096 +== 3.6 Buttons == 1031 1031 1098 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %) 1099 +|=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature** 1100 +|(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL 1032 1032 1033 -1. 1034 -11. Buttons 1035 1035 1036 -|**Button**|**Feature** 1037 -|**RST**|Reboot RS485-BL 1103 +== 3.7 +3V3 Output == 1038 1038 1039 -1. 1040 -11. +3V3 Output 1041 - 1042 1042 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1043 1043 1044 1044 The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 1045 1045 1046 - 1047 1047 The +3V3 output time can be controlled by AT Command. 1048 1048 1049 -**AT+3V3T=1000** 1050 1050 1051 - Meansset+3v3 valid timetohave 1000ms. So, thereal+3v3output will actually have1000ms + sampling time for other sensors.1112 +(% style="color:#037691" %)**AT+3V3T=1000** 1052 1052 1053 1053 1115 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 1116 + 1054 1054 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1055 1055 1056 1056 1057 -1. 1058 -11. +5V Output 1120 +== 3.8 +5V Output == 1059 1059 1060 1060 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 1061 1061 ... ... @@ -1064,7 +1064,7 @@ 1064 1064 1065 1065 The 5V output time can be controlled by AT Command. 1066 1066 1067 -**AT+5VT=1000** 1129 +(% style="color:#037691" %)**AT+5VT=1000** 1068 1068 1069 1069 Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors. 1070 1070 ... ... @@ -1073,15 +1073,12 @@ 1073 1073 1074 1074 1075 1075 1138 +== 3.9 LEDs == 1076 1076 1077 -1. 1078 -11. LEDs 1079 - 1080 1080 |**LEDs**|**Feature** 1081 1081 |**LED1**|Blink when device transmit a packet. 1082 1082 1083 -1. 1084 -11. Switch Jumper 1143 +== 3.10 Switch Jumper == 1085 1085 1086 1086 |**Switch Jumper**|**Feature** 1087 1087 |**SW1**|((( ... ... @@ -1126,7 +1126,7 @@ 1126 1126 1127 1127 1128 1128 1129 -1. 1188 +1. 1130 1130 11. Common AT Command Sequence 1131 1131 111. Multi-channel ABP mode (Use with SX1301/LG308) 1132 1132 ... ... @@ -1145,8 +1145,8 @@ 1145 1145 1146 1146 ATZ 1147 1147 1148 -1. 1149 -11. 1207 +1. 1208 +11. 1150 1150 111. Single-channel ABP mode (Use with LG01/LG02) 1151 1151 1152 1152 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1221,7 +1221,7 @@ 1221 1221 [[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]] 1222 1222 1223 1223 1224 -1. 1283 +1. 1225 1225 11. How to change the LoRa Frequency Bands/Region? 1226 1226 1227 1227 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1228,7 +1228,7 @@ 1228 1228 1229 1229 1230 1230 1231 -1. 1290 +1. 1232 1232 11. How many RS485-Slave can RS485-BL connects? 1233 1233 1234 1234 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]]. ... ... @@ -1245,7 +1245,7 @@ 1245 1245 1246 1246 1247 1247 1248 -1. 1307 +1. 1249 1249 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1250 1250 1251 1251 It might about the channels mapping. Please see for detail.
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