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Last modified by Devin Chen on 2024/03/13 10:14
From version 4.1
edited by Devin Chen
on 2024/02/20 11:20
Change comment: Added annotation on "MODBUS RTU Slave"
To version 6.1
edited by Devin Chen
on 2024/02/25 14:23
Change comment: Added annotation on "Program example"

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675 675  
676 676  Users could set MODBUS RTU master communication by RS2 instruction, as above example shows. RS2 is a communication instruction, which could send data in the specified register area to the serial port and store receive data to specified register. Equivalent to the user program directly access the communication cache, with the help of the user program processing of the communication cache, to achieve the communication. RS instruction only is available in COM2 port, but RS2 instruction could be available in COM3/ COM4/ COM5/ COM6 ports.
677 677  
678 -* MODBUS RTU Slave
678 +* MODBUS ASCII Slave
679 679  
680 680  (% style="text-align:center" %)
681 681  [[image:7-13 External Device SER instruction_html_3b9c39db83816a1f.png||height="185" width="300" class="img-thumbnail"]]
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Comment
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1 -案例有误
1 +
2 +
Date
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1 -2024-02-20 11:20:28.68
1 +2024-02-25 14:23:19.852
Selection
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1 -MODBUS RTU Slave
1 +Program example