Create and Configure IO Server

Specifies the address of this instance of the I/O server. This option appears if you select Modbus or Modbus Slave from the I/O server type pull-down menu in the configuration dialog box of this Express VI.

Specifies whether to replace an existing I/O server with the I/O server you want to create if the two I/O servers have the same name.

Specifies the name of the I/O server you want to configure or create. You can specify an I/O server in a hierarchy, for example, folder\server.

Specifies the serial port this instance of the I/O server uses to communicate with the device. 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 of the Configure Modbus I/O Server or Configure Modbus Slave I/O Server dialog box.

Specifies the IP address of the device with which the Modbus I/O server communicates. This option appears if you select Modbus Ethernet from the Model pull-down menu of the Configure Modbus I/O Server dialog box.

Specifies the ID of the OPC server. This option appears if you select OPC Client from the I/O server type pull-down menu in the configuration dialog box of this Express VI.

Specifies how often, in seconds, the SVE attempts to connect to an OPC server after losing the connection to the server. Enter a value of 0 if you do not want the SVE to retry the connection. This option appears if you select OPC Client from the I/O server type pull-down menu in the configuration dialog box of this Express VI.

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

Specifies how often this instance of the I/O server refreshes the device, in seconds. This option appears if you select Modbus from the I/O server type pull-down menu in the configuration dialog box of this Express VI.

Specifies the name of the computer from which you can select an OPC server. This option appears if you select OPC Client from the I/O server type pull-down menu in the configuration dialog box of this Express VI.

Determines the amount of time that passes before the OPC server communicates updated values to the SVE. This value is a requested update rate for the OPC server. The actual update rate returned by the OPC server is greater than or equal to this value. Entering a value of 0 returns the fastest update rate possible from the OPC server. This option appears if you select OPC Client from the I/O server type pull-down menu in the configuration dialog box of this Express VI.

Specifies the baud rate of this instance of the 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 of the Configure Modbus I/O Server or Configure Modbus Slave I/O Server dialog box.

Sets the percent change within a range that a value from the OPC server must change before the OPC server communicates the value to the SVE. This option appears if you select OPC Client from the I/O server type pull-down menu in the configuration dialog box of this Express VI.

Specifies the name of the existing process to which the I/O server belongs.

error out contains error information. This output provides standard error out functionality.

Returns the relative URL to the computer if the I/O server configuration is successful. Otherwise, I/O server URL out returns an empty string. The format of I/O server URL out is \\computer\process\IO_server.

Wire I/O server URL out to the I/O server URL input of the Delete IO Server VI to remove the I/O server programmatically.