Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Karry Zhuang on 2025/03/06 16:34
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... ... @@ -585,6 +585,7 @@ 585 585 **AT+PAYVER: Set PAYVER field = 1** 586 586 ))) 587 587 588 + 588 588 * **Downlink Payload:** 589 589 590 590 **0xAE 01** ~-~-> Set PAYVER field = 0x01 ... ... @@ -595,9 +595,9 @@ 595 595 596 596 ==== **Set RS485 Sampling Commands** ==== 597 597 598 -AT+COMMANDx orAT+DATACUTx599 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx 599 599 600 -These three commands are used to configure how the RS485-L Npolling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].601 +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"]]. 601 601 602 602 603 603 * **AT Command:** ... ... @@ -612,7 +612,12 @@ 612 612 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 613 613 ))) 614 614 616 +(% class="box infomessage" %) 617 +((( 618 +**AT+SEARCHx: Configure search command** 619 +))) 615 615 621 + 616 616 * **Downlink Payload:** 617 617 618 618 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. ... ... @@ -627,7 +627,7 @@ 627 627 * NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 628 628 * LL: The length of AT+COMMAND or AT+DATACUT command 629 629 * XX XX XX XX: AT+COMMAND or AT+DATACUT command 630 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-L Nwill execute an uplink after got this command.636 +* 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. 631 631 632 632 **Example:** 633 633 ... ... @@ -638,7 +638,17 @@ 638 638 (% 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** 639 639 640 640 647 +**0xAB** downlink command can be used for set AT+SEARCHx 641 641 649 +**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So 650 + 651 +* AB aa 01 03 xx xx xx same as AT+SEARCHaa=1,xx xx xx 652 +* 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 653 + 654 +**AB aa 02 03 xx xx xx 02 yy yy** same as **AT+SEARCHaa=2,xx xx xx+yy yy** 655 + 656 + 657 + 642 642 ==== **Fast command to handle MODBUS device** ==== 643 643 644 644 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]]. ... ... @@ -645,32 +645,45 @@ 645 645 646 646 This command is valid since v1.3 firmware version 647 647 648 -AT+MBFUN 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. 649 649 665 +**AT+MBFUN has only two value:** 650 650 667 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return 668 + 669 +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. 670 + 671 +* **AT+MBFUN=0**: Disable Modbus fast reading. 672 + 651 651 **Example:** 652 652 653 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.675 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). 654 654 * 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. 655 655 * 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. 656 656 657 -[[image: image-20220602165351-6.png]]679 +[[image:1654133913295-597.png]] 658 658 659 -[[image:image-20220602165351-7.png]] 660 660 682 +[[image:1654133954153-643.png]] 661 661 662 662 685 +* **Downlink Commands:** 686 + 687 +**A9 aa** ~-~-> Same as AT+MBFUN=aa 688 + 689 + 690 + 663 663 ==== **RS485 command timeout** ==== 664 664 665 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-L Nto use longer time to wait for their action.693 +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. 666 666 667 -Default value: 0, range: 0 ~~ 65 seconds695 +Default value: 0, range: 0 ~~ 5 seconds 668 668 697 + 669 669 * **AT Command:** 670 670 671 671 (% class="box infomessage" %) 672 672 ((( 673 -**AT+CMDDLaa=hex(bb cc)* 1000**702 +**AT+CMDDLaa=hex(bb cc)** 674 674 ))) 675 675 676 676 **Example:** ... ... @@ -680,13 +680,13 @@ 680 680 681 681 * **Downlink Payload:** 682 682 683 - **0x AA aa bb cc**712 +0x AA aa bb cc 684 684 685 -Same as: AT+CMDDLaa=hex(bb cc) *1000714 +Same as: AT+CMDDLaa=hex(bb cc) 686 686 687 687 **Example:** 688 688 689 - 0xAA 01 0 001~-~-> Same as **AT+CMDDL1=1000 ms**718 + **0xAA 01 03 E8** ~-~-> Same as **AT+CMDDL1=1000 ms** 690 690 691 691 692 692 ... ... @@ -721,17 +721,11 @@ 721 721 722 722 Ask device to send an uplink immediately. 723 723 724 -* **AT Command:** 725 - 726 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same. 727 - 728 - 729 729 * **Downlink Payload:** 730 730 731 -**0x08 FF**, RS485-L Nwill immediately send an uplink.755 +**0x08 FF**, RS485-BL will immediately send an uplink. 732 732 733 733 734 -==== ==== 735 735 736 736 ==== **Clear RS485 Command** ==== 737 737 ... ... @@ -740,30 +740,6 @@ 740 740 741 741 * **AT Command:** 742 742 743 -**AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 744 - 745 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 746 - 747 -Example screen shot after clear all RS485 commands. 748 - 749 - 750 -The uplink screen shot is: 751 - 752 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]] 753 - 754 - 755 -* Downlink Payload: 756 - 757 -0x09 aa bb same as AT+CMDEAR=aa,bb 758 - 759 - 760 -==== **Clear RS485 Command** ==== 761 - 762 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 763 - 764 - 765 -* **AT Command:** 766 - 767 767 (% 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 768 768 769 769 Example screen shot after clear all RS485 commands.
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