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Configure Modbus Slave I/O Server Dialog Box

NI Distributed System Manager for LabVIEW 2012 Help

Edition Date: June 2012

Part Number: 372572E-01

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Requires: DSC Module or Real-Time Module (Windows)

In the Create New I/O Server dialog box, select Modbus Slave and click the Continue button to display this dialog box.

You also can right-click an existing Modbus Slave I/O server and select Properties from the shortcut menu to display this dialog box.

Use this dialog box to configure the instance of the Modbus Slave I/O server you want to use. This dialog box includes the following components:

  • Name—Displays the name of this instance of the Modbus Slave I/O server.
  • Model—Specifies the type of communication protocol you want to use. You can select Modbus Serial or Modbus Ethernet.
  • Communication Settings—Specifies settings for the type of communication you want to use with this instance of the Modbus Slave I/O server. Includes the following components:
    • Address—Specifies the address of this instance of the Modbus Slave I/O server.
    • Transmission Mode—Specifies the type of data this instance of the Modbus Slave I/O server receives or sends. You can select RTU or ASCII.
    • Serial port—Specifies the serial port this instance of the Modbus Slave I/O server uses to communicate with the Modbus I/O server. You can select a serial port in the range from COM1 to COM32. This option appears if you select Modbus Serial from the Model pull-down menu.
    • Baud rate—Specifies the baud rate of this instance of the Modbus Slave I/O server. You can select a value from 2400 to 115200. This option appears if you select Modbus Serial from the Model pull-down menu.
    • Parity—Specifies the parity of this instance of the Modbus Slave I/O server. You can select none, even, odd, mark, or space. This option appears if you select Modbus Serial from the Model pull-down menu.
    • Stop bits—Specifies the number of stop bits this instance of the Modbus Slave I/O server uses. You can select 1, 1.5, or 2. This option appears if you select Modbus Serial from the Model pull-down menu.
    • Data bits—Specifies how many data bits this instance of the Modbus Slave I/O server uses. You can select 7 or 8. This option appears if you select Modbus Serial from the Model pull-down menu.

 

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