Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -10,6 +10,7 @@ 10 10 11 11 **Table of Contents:** 12 12 13 +{{toc/}} 13 13 14 14 15 15 ... ... @@ -24,19 +24,19 @@ 24 24 ))) 25 25 26 26 ((( 27 -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. 28 28 ))) 29 29 30 30 ((( 31 -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. 32 32 ))) 33 33 34 34 ((( 35 -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. 36 36 ))) 37 37 38 38 ((( 39 -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. 40 40 ))) 41 41 42 42 ((( ... ... @@ -53,8 +53,11 @@ 53 53 54 54 [[image:1652953304999-717.png||height="424" width="733"]] 55 55 57 + 58 + 56 56 == 1.2 Specifications == 57 57 61 + 58 58 **Hardware System:** 59 59 60 60 * STM32L072CZT6 MCU ... ... @@ -61,8 +61,6 @@ 61 61 * SX1276/78 Wireless Chip 62 62 * Power Consumption (exclude RS485 device): 63 63 ** Idle: 6uA@3.3v 64 - 65 -* 66 66 ** 20dB Transmit: 130mA@3.3v 67 67 68 68 **Interface for Model:** ... ... @@ -116,9 +116,12 @@ 116 116 117 117 [[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);"]] 118 118 121 + 119 119 == 1.6 Hardware Change log == 120 120 121 121 ((( 125 + 126 + 122 122 v1.4 123 123 ))) 124 124 ... ... @@ -142,6 +142,8 @@ 142 142 143 143 ((( 144 144 Release version 150 + 151 + 145 145 ))) 146 146 147 147 = 2. Pin mapping and Power ON Device = ... ... @@ -155,6 +155,7 @@ 155 155 156 156 The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper. 157 157 165 + 158 158 = 3. Operation Mode = 159 159 160 160 == 3.1 How it works? == ... ... @@ -161,6 +161,8 @@ 161 161 162 162 ((( 163 163 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 + 164 164 ))) 165 165 166 166 == 3.2 Example to join LoRaWAN network == ... ... @@ -196,8 +196,6 @@ 196 196 ))) 197 197 198 198 199 - 200 - 201 201 [[image:image-20220519174512-1.png]] 202 202 203 203 [[image:image-20220519174512-2.png||height="328" width="731"]] ... ... @@ -221,10 +221,13 @@ 221 221 222 222 [[image:1652953568895-172.png||height="232" width="724"]] 223 223 232 + 224 224 == 3.3 Configure Commands to read data == 225 225 226 226 ((( 227 -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 + 228 228 ))) 229 229 230 230 === 3.3.1 onfigure UART settings for RS485 or TTL communication === ... ... @@ -325,8 +325,9 @@ 325 325 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 326 326 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 327 327 328 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>> path:#AT_CFGDEV]].339 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 329 329 341 + 330 330 === 3.3.3 Configure read commands for each sampling === 331 331 332 332 ((( ... ... @@ -424,7 +424,7 @@ 424 424 425 425 **Examples:** 426 426 427 -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 49 428 428 429 429 If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 430 430 ... ... @@ -432,7 +432,7 @@ 432 432 433 433 [[image:1653271044481-711.png]] 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 49447 +2)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=2, 1E 56 34+31 00 49 438 438 ... ... @@ -451,16 +451,18 @@ 451 451 * **c: define the position for valid value. ** 452 452 ))) 453 453 454 -Examples: 466 +**Examples:** 455 455 456 456 * Grab bytes: 457 457 458 458 [[image:1653271581490-837.png||height="313" width="722"]] 459 459 472 + 460 460 * Grab a section. 461 461 462 462 [[image:1653271648378-342.png||height="326" width="720"]] 463 463 477 + 464 464 * Grab different sections. 465 465 466 466 [[image:1653271657255-576.png||height="305" width="730"]] ... ... @@ -503,6 +503,7 @@ 503 503 504 504 [[image:1653271763403-806.png]] 505 505 520 + 506 506 === 3.3.4 Compose the uplink payload === 507 507 508 508 ((( ... ... @@ -510,7 +510,7 @@ 510 510 ))) 511 511 512 512 ((( 513 -(% style="color:# 4f81bd" %)**Examples: AT+DATAUP=0**528 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 514 514 ))) 515 515 516 516 ((( ... ... @@ -522,7 +522,7 @@ 522 522 ))) 523 523 524 524 ((( 525 -(% 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** 526 526 ))) 527 527 528 528 ((( ... ... @@ -531,8 +531,12 @@ 531 531 532 532 [[image:1653272787040-634.png||height="515" width="719"]] 533 533 549 + 550 + 534 534 ((( 535 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 552 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 553 + 554 + 536 536 ))) 537 537 538 538 ((( ... ... @@ -544,7 +544,7 @@ 544 544 ))) 545 545 546 546 ((( 547 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 566 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 548 548 ))) 549 549 550 550 1. ((( ... ... @@ -567,6 +567,7 @@ 567 567 568 568 So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 569 569 589 + 570 570 DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41 571 571 572 572 DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20 ... ... @@ -573,10 +573,12 @@ 573 573 574 574 DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30 575 575 596 + 576 576 Below are the uplink payloads: 577 577 578 578 [[image:1653272901032-107.png]] 579 579 601 + 580 580 (% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below: 581 581 582 582 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date) ... ... @@ -587,6 +587,8 @@ 587 587 588 588 ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 589 589 612 + 613 + 590 590 === 3.3.5 Uplink on demand === 591 591 592 592 ((( ... ... @@ -603,6 +603,8 @@ 603 603 604 604 ((( 605 605 **0xA8 command**: Send a command to RS485-BL and uplink the output from sensors. 630 + 631 + 606 606 ))) 607 607 608 608 === 3.3.6 Uplink on Interrupt === ... ... @@ -611,6 +611,7 @@ 611 611 612 612 [[image:1653273818896-432.png]] 613 613 640 + 614 614 ((( 615 615 AT+INTMOD=0 Disable Interrupt 616 616 ))) ... ... @@ -625,6 +625,8 @@ 625 625 626 626 ((( 627 627 AT+INTMOD=3 Interrupt trigger by rising edge. 655 + 656 + 628 628 ))) 629 629 630 630 == 3.4 Uplink Payload == ... ... @@ -652,47 +652,49 @@ 652 652 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 653 653 654 654 ((( 655 -function Decoder(bytes, port) { 684 +{{{function Decoder(bytes, port) {}}} 656 656 ))) 657 657 658 658 ((( 659 - ~/~/Payload Formats of RS485-BL Deceive688 +{{{//Payload Formats of RS485-BL Deceive}}} 660 660 ))) 661 661 662 662 ((( 663 -return { 692 +{{{return {}}} 664 664 ))) 665 665 666 666 ((( 667 - ~/~/Battery,units:V696 +{{{ //Battery,units:V}}} 668 668 ))) 669 669 670 670 ((( 671 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 700 +{{{ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}} 672 672 ))) 673 673 674 674 ((( 675 - ~/~/GPIO_EXTI704 +{{{ //GPIO_EXTI }}} 676 676 ))) 677 677 678 678 ((( 679 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 708 +{{{ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}} 680 680 ))) 681 681 682 682 ((( 683 - ~/~/payload of version712 +{{{ //payload of version}}} 684 684 ))) 685 685 686 686 ((( 687 - Pay_ver:bytes[2], 716 +{{{ Pay_ver:bytes[2],}}} 688 688 ))) 689 689 690 690 ((( 691 - }; 720 +{{{ }; }}} 692 692 ))) 693 693 694 694 ((( 695 - } 724 +} 725 + 726 + 696 696 ))) 697 697 698 698 ((( ... ... @@ -701,58 +701,65 @@ 701 701 702 702 [[image:1653274001211-372.png||height="192" width="732"]] 703 703 735 + 704 704 == 3.5 Configure RS485-BL via AT or Downlink == 705 705 706 -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 707 707 708 708 There are two kinds of Commands: 709 709 710 -* **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]] 711 711 712 -* **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: 713 713 714 -1. 715 -11. 716 -111. Common Commands: 746 +=== 3.5.1 Common Commands: === 717 717 718 -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]] 719 719 720 720 721 -1. 722 -11. 723 -111. Sensor related commands: 751 +=== 3.5.2 Sensor related commands: === 724 724 725 -==== ChooseDeviceType (RS485 or TTL)====753 +==== ==== 726 726 755 +==== **Choose Device Type (RS485 or TTL)** ==== 756 + 727 727 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 728 728 729 -* AT Command 759 +* **AT Command** 730 730 761 +(% class="box infomessage" %) 762 +((( 731 731 **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins. 764 +))) 732 732 766 +(% class="box infomessage" %) 767 +((( 733 733 **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins. 769 +))) 734 734 735 735 736 -* Downlink Payload 772 +* **Downlink Payload** 737 737 738 -**0A aa** àsame as AT+MOD=aa774 +**0A aa** ~-~-> same as AT+MOD=aa 739 739 740 740 741 741 742 -==== [[RS485 Debug Command>>path:#downlink_A8]](AT+CFGDEV) ====778 +==== **RS485 Debug Command (AT+CFGDEV)** ==== 743 743 744 744 This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling. 745 745 746 -* AT Command 782 +* **AT Command** 747 747 748 -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 +))) 749 749 750 750 m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command. 751 751 752 752 792 +* **Downlink Payload** 753 753 754 -* Downlink Payload 755 - 756 756 Format: A8 MM NN XX XX XX XX YY 757 757 758 758 Where: ... ... @@ -766,15 +766,15 @@ 766 766 767 767 To connect a Modbus Alarm with below commands. 768 768 769 -* 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. 770 770 771 -* 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. 772 772 773 773 So if user want to use downlink command to control to RS485 Alarm, he can use: 774 774 775 -**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 776 776 777 -**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 778 778 779 779 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. 780 780 ... ... @@ -783,48 +783,60 @@ 783 783 784 784 Check TTL Sensor return: 785 785 786 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]824 +[[image:1654132684752-193.png]] 787 787 788 788 789 789 828 +==== **Set Payload version** ==== 790 790 791 -==== Set Payload version ==== 792 - 793 793 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. 794 794 795 -* AT Command: 832 +* **AT Command:** 796 796 797 -AT+PAYVER: Set PAYVER field = 1 834 +(% class="box infomessage" %) 835 +((( 836 +**AT+PAYVER: Set PAYVER field = 1** 837 +))) 798 798 799 799 800 -* Downlink Payload: 840 +* **Downlink Payload:** 801 801 802 -0xAE 01 àSet PAYVER field = 0x01842 +**0xAE 01** ~-~-> Set PAYVER field = 0x01 803 803 804 -0xAE 0F àSet PAYVER field = 0x0F844 +**0xAE 0F** ~-~-> Set PAYVER field = 0x0F 805 805 806 806 807 -==== Set RS485 Sampling Commands ==== 808 808 848 +==== **Set RS485 Sampling Commands** ==== 849 + 809 809 AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 810 810 811 -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"]]. 812 812 813 813 814 -* AT Command: 855 +* **AT Command:** 815 815 816 -AT+COMMANDx: Configure RS485 read command to sensor. 857 +(% class="box infomessage" %) 858 +((( 859 +**AT+COMMANDx: Configure RS485 read command to sensor.** 860 +))) 817 817 818 -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 +))) 819 819 820 -AT+SEARCHx: Configure search command 867 +(% class="box infomessage" %) 868 +((( 869 +**AT+SEARCHx: Configure search command** 870 +))) 821 821 822 822 823 -* Downlink Payload: 873 +* **Downlink Payload:** 824 824 825 -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. 826 826 827 -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. 828 828 829 829 Format: AF MM NN LL XX XX XX XX YY 830 830 ... ... @@ -831,23 +831,23 @@ 831 831 Where: 832 832 833 833 * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 834 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 835 -* 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 836 836 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 837 -* 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. 838 838 839 -Example: 889 +**Example:** 840 840 841 -**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 01,1 842 842 843 -**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** 844 844 845 -**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** 846 846 847 847 848 -0xAB downlink command can be used for set AT+SEARCHx 898 +**0xAB** downlink command can be used for set AT+SEARCHx 849 849 850 -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 851 851 852 852 * AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 853 853 * 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 ... ... @@ -855,145 +855,164 @@ 855 855 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 856 856 857 857 858 -==== Fast command to handle MODBUS device ==== 859 859 909 +==== **Fast command to handle MODBUS device** ==== 910 + 860 860 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]]. 861 861 862 862 This command is valid since v1.3 firmware version 863 863 864 864 865 -AT+MBFUN has only two value: 916 +**AT+MBFUN has only two value:** 866 866 867 -* 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 868 868 869 869 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. 870 870 871 -* AT+MBFUN=0: Disable Modbus fast reading. 922 +* **AT+MBFUN=0**: Disable Modbus fast reading. 872 872 873 -Example: 924 +**Example:** 874 874 875 875 * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 876 876 * 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. 877 877 * 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. 878 878 879 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]930 +[[image:1654133913295-597.png]] 880 880 881 881 882 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]933 +[[image:1654133954153-643.png]] 883 883 884 884 885 -* Downlink Commands: 936 +* **Downlink Commands:** 886 886 887 -A9 aa - àSame as AT+MBFUN=aa938 +**A9 aa** ~-~-> Same as AT+MBFUN=aa 888 888 889 889 890 -==== RS485 command timeout ==== 891 891 942 +==== **RS485 command timeout** ==== 943 + 892 892 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. 893 893 894 894 Default value: 0, range: 0 ~~ 5 seconds 895 895 896 896 897 -* AT Command: 949 +* **AT Command:** 898 898 899 -AT+CMDDLaa=hex(bb cc) 951 +(% class="box infomessage" %) 952 +((( 953 +**AT+CMDDLaa=hex(bb cc)** 954 +))) 900 900 901 -Example: 956 +**Example:** 902 902 903 903 **AT+CMDDL1=1000** to send the open time to 1000ms 904 904 905 905 906 -* Downlink Payload: 961 +* **Downlink Payload:** 907 907 908 908 0x AA aa bb cc 909 909 910 910 Same as: AT+CMDDLaa=hex(bb cc) 911 911 912 - Example: 967 + **Example:** 913 913 914 - 0xAA 01 03 E8 àSame as **AT+CMDDL1=1000 ms**969 + **0xAA 01 03 E8** ~-~-> Same as **AT+CMDDL1=1000 ms** 915 915 916 916 917 -==== [[Uplink>>path:#downlink_A8]] payload mode ==== 918 918 973 +==== **Uplink payload mode** ==== 974 + 919 919 Define to use one uplink or multiple uplinks for the sampling. 920 920 921 -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"]] 922 922 923 -* AT Command: 979 +* **AT Command:** 924 924 925 -AT+DATAUP=0 981 +(% class="box infomessage" %) 982 +((( 983 +**AT+DATAUP=0** 984 +))) 926 926 927 -AT+DATAUP=1 986 +(% class="box infomessage" %) 987 +((( 988 +**AT+DATAUP=1** 989 +))) 928 928 929 929 930 -* Downlink Payload: 992 +* **Downlink Payload:** 931 931 932 -0xAD 00 àSame as AT+DATAUP=0994 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 933 933 934 -0xAD 01 àSame as AT+DATAUP=1996 +**0xAD 01** **~-~->** Same as AT+DATAUP=1 935 935 936 936 937 -==== Manually trigger an Uplink ==== 938 938 1000 +==== **Manually trigger an Uplink** ==== 1001 + 939 939 Ask device to send an uplink immediately. 940 940 941 -* Downlink Payload: 1004 +* **Downlink Payload:** 942 942 943 -0x08 FF, RS485-BL will immediately send an uplink. 1006 +**0x08 FF**, RS485-BL will immediately send an uplink. 944 944 945 945 946 -==== Clear RS485 Command ==== 947 947 1010 +==== **Clear RS485 Command** ==== 1011 + 948 948 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 949 949 950 950 951 -* AT Command: 1015 +* **AT Command:** 952 952 953 -**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 954 954 955 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 956 - 957 957 Example screen shot after clear all RS485 commands. 958 958 959 959 960 - 961 961 The uplink screen shot is: 962 962 963 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]1024 +[[image:1654134704555-320.png]] 964 964 965 965 966 -* Downlink Payload: 1027 +* **Downlink Payload:** 967 967 968 -0x09 aa bb same as AT+CMDEAR=aa,bb 1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb 969 969 970 970 971 -==== Set Serial Communication Parameters ==== 972 972 1033 +==== **Set Serial Communication Parameters** ==== 1034 + 973 973 Set the Rs485 serial communication parameters: 974 974 975 -* AT Command: 1037 +* **AT Command:** 976 976 977 977 Set Baud Rate: 978 978 979 -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 +))) 980 980 1046 +Set UART Parity 981 981 982 -Set UART parity 1048 +(% class="box infomessage" %) 1049 +((( 1050 +**AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 1051 +))) 983 983 984 -AT+PARITY=0 ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 985 - 986 - 987 987 Set STOPBIT 988 988 989 -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 +))) 990 990 991 991 992 -* Downlink Payload: 1061 +* **Downlink Payload:** 993 993 994 -A7 01 aa bb: Same AT+BAUDR=hex(aa bb)*100 1063 +**A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 995 995 996 -Example: 1065 +**Example:** 997 997 998 998 * A7 01 00 60 same as AT+BAUDR=9600 999 999 * A7 01 04 80 same as AT+BAUDR=115200 ... ... @@ -1003,112 +1003,105 @@ 1003 1003 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1004 1004 1005 1005 1006 -==== Control output power duration ==== 1007 1007 1076 +==== **Control output power duration** ==== 1077 + 1008 1008 User can set the output power duration before each sampling. 1009 1009 1010 -* AT Command: 1080 +* **AT Command:** 1011 1011 1012 -Example: 1082 +**Example:** 1013 1013 1014 -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. 1015 1015 1016 -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. 1017 1017 1018 1018 1019 -* LoRaWAN Downlink Command: 1089 +* **LoRaWAN Downlink Command:** 1020 1020 1021 -07 01 aa bb Same as AT+5VT=(aa bb) 1091 +**07 01 aa bb** Same as AT+5VT=(aa bb) 1022 1022 1023 -07 02 aa bb Same as AT+3V3T=(aa bb) 1093 +**07 02 aa bb** Same as AT+3V3T=(aa bb) 1024 1024 1025 1025 1096 +== 3.6 Buttons == 1026 1026 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 1027 1027 1028 -1. 1029 -11. Buttons 1102 +== 3.7 +3V3 Output == 1030 1030 1031 -|**Button**|**Feature** 1032 -|**RST**|Reboot RS485-BL 1033 - 1034 -1. 1035 -11. +3V3 Output 1036 - 1037 1037 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. 1038 1038 1039 1039 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. 1040 1040 1041 - 1042 1042 The +3V3 output time can be controlled by AT Command. 1043 1043 1044 -**AT+3V3T=1000** 1045 1045 1046 - Meansset+3v3 valid timetohave 1000ms. So, thereal+3v3output will actually have1000ms + sampling time for other sensors.1111 +(% style="color:#037691" %)**AT+3V3T=1000** 1047 1047 1048 1048 1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors. 1115 + 1049 1049 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 1050 1050 1051 1051 1052 -1. 1053 -11. +5V Output 1119 +== 3.8 +5V Output == 1054 1054 1055 1055 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. 1056 1056 1057 1057 The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 1058 1058 1059 - 1060 1060 The 5V output time can be controlled by AT Command. 1061 1061 1062 -**AT+5VT=1000** 1063 1063 1064 - Meansset5V valid timetohave 1000ms. So, thereal5Voutput will actually have1000ms + sampling time for other sensors.1128 +(% style="color:#037691" %)**AT+5VT=1000** 1065 1065 1066 1066 1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors. 1132 + 1067 1067 By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor. 1068 1068 1069 1069 1136 +== 3.9 LEDs == 1070 1070 1138 +(% border="1" style="background-color:#ffffcc; color:green; width:332px" %) 1139 +|=**LEDs**|=(% style="width: 274px;" %)**Feature** 1140 +|**LED1**|(% style="width:274px" %)Blink when device transmit a packet. 1071 1071 1072 -1. 1073 -11. LEDs 1142 +== 3.10 Switch Jumper == 1074 1074 1075 -|**LEDs**|**Feature** 1076 -|**LED1**|Blink when device transmit a packet. 1077 - 1078 -1. 1079 -11. Switch Jumper 1080 - 1081 -|**Switch Jumper**|**Feature** 1082 -|**SW1**|((( 1144 +(% border="1" style="background-color:#ffffcc; color:green; width:515px" %) 1145 +|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature** 1146 +|(% style="width:124px" %)**SW1**|(% style="width:388px" %)((( 1083 1083 ISP position: Upgrade firmware via UART 1084 1084 1085 1085 Flash position: Configure device, check running status. 1086 1086 ))) 1087 -|**SW2**|((( 1151 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)((( 1088 1088 5V position: set to compatible with 5v I/O. 1089 1089 1090 1090 3.3v position: set to compatible with 3.3v I/O., 1091 1091 ))) 1092 1092 1093 -+3.3V: is always ON 1157 +**+3.3V**: is always ON 1094 1094 1095 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 1159 +**+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0. Max open time. 5000 ms. 1096 1096 1097 -1. Case Study 1098 1098 1099 - Usercancheck this URL for some casestudies.1162 += 4. Case Study = 1100 1100 1101 - [[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]1164 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] 1102 1102 1103 1103 1167 += 5. Use AT Command = 1104 1104 1169 +== 5.1 Access AT Command == 1105 1105 1106 -1. Use AT Command 1107 -11. Access AT Command 1108 - 1109 1109 RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below. 1110 1110 1111 -[[image: file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]1173 +[[image:1654135840598-282.png]] 1112 1112 1113 1113 1114 1114 In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference: ... ... @@ -1121,7 +1121,7 @@ 1121 1121 1122 1122 1123 1123 1124 -1. 1186 +1. 1125 1125 11. Common AT Command Sequence 1126 1126 111. Multi-channel ABP mode (Use with SX1301/LG308) 1127 1127 ... ... @@ -1140,8 +1140,8 @@ 1140 1140 1141 1141 ATZ 1142 1142 1143 -1. 1144 -11. 1205 +1. 1206 +11. 1145 1145 111. Single-channel ABP mode (Use with LG01/LG02) 1146 1146 1147 1147 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1216,7 +1216,7 @@ 1216 1216 [[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]] 1217 1217 1218 1218 1219 -1. 1281 +1. 1220 1220 11. How to change the LoRa Frequency Bands/Region? 1221 1221 1222 1222 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1223,7 +1223,7 @@ 1223 1223 1224 1224 1225 1225 1226 -1. 1288 +1. 1227 1227 11. How many RS485-Slave can RS485-BL connects? 1228 1228 1229 1229 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]]. ... ... @@ -1240,7 +1240,7 @@ 1240 1240 1241 1241 1242 1242 1243 -1. 1305 +1. 1244 1244 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1245 1245 1246 1246 It might about the channels mapping. Please see for detail.
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