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 ... ... @@ -860,6 +860,7 @@ 860 860 **AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 861 861 862 862 908 + 863 863 ==== Fast command to handle MODBUS device ==== 864 864 865 865 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]].
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