IDEC WindSRV User Manual

Page 24

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23

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adapters available for use on this PC. The string returned will contain all
of the NIC names and their IP assignments. A semicolon will separate
each unique NIC in order to allow the names to be parsed within an
OPC application. For a serial driver this tag will only be used if Ethernet
Encapsulation is selected.

This is a Read Only tag.

_NetworkAdapter

Class: Parameter Tag

The _NetworkAdapter tag is a tag that allows the current NIC adapter
in use by the driver to be changed on the fly. As a string tag, the name
of the newly desired NIC adapter must be written to this tag in string
format. The string written must match the exact description of the
desired NIC in order for the change to take effect. NIC names can be
obtained from the _AvailableNetworkAdapters tag listed above. For a
serial driver, this tag will only be used if Ethernet Encapsulation is
selected.

Note: When changing the NIC selection the driver will be forced to
break all current device connections and reconnect.

This is a Read/Write tag.

_ComId

Class: Parameter Tag

The _ComId tag is a tag that allows the comm port selection for the
driver to be changed on the fly. As a string tag, the desired comm port
must be written to the tag as a string value using the following possible
selections: COM 1, COM 2 COM 3, COM 4, - - -, COM 16, and Ethernet
Encapsulation. When selecting

Device Properties - Ethernet

Encapsulation

mode, users will also need to set the IP number of the

remote terminal server. This is done at the device-level and will be
shown below.

This is a Read/Write tag.

_BaudRate

Class: Parameter Tag

The _BaudRate tag is a tag that allows the baud rate of the driver to be
changed on the fly. The _BaudRate tag is defined as a long value and
therefore new baud rates should be written in this format. Valid baud
rates are as follows: 300, 600, 1200, 2400, 4800, 9600, 19200,
38400, 56000, 56700, 115200, 128000 and 256000.

This is a Read/Write tag.

_Parity

Class: Parameter Tag

The _Parity tag is a tag that allows the parity of the driver to be
changed on the fly. As a string tag, the desired parity setting must be
written to the tag as a string value using the following possible
selections: None, Odd and Even.

This is a Read/Write tag.

_DataBits

Class: Parameter Tag

The _DataBits tag is a tag that allows the data bits of the driver to be
changed on the fly. The _DataBits tag is defined as a signed 8 bit value.
Valid data bits selections are 5, 6, 7 and 8.

This is a Read/Write tag.

_StopBits

Class: Parameter Tag

The _StopBits tag is a tag that allows the stop bits of the driver to be
changed on the fly. The _StopBits tag is defined as a signed 8 bit value.
Valid data bit selections are 1 and 2.

This is a Read/Write tag.

_FlowControl

Class: Parameter Tag

The _FlowControl tag is a tag that allows the flow control setting of the
driver to be changed on the fly. As a string tag, the desired flow control
setting must be written to the tag in this format. Possible selections for
flow control include: None, DTR, RTS, "DTR,RTS", RTS Always and RTS
Manual. Not all drivers support the RTS Manual mode of operation.

This is a Read/Write tag.

_RtsLineRaise

Class: Parameter Tag

The _RtsLineRaise tag is a tag that allows the RTS Line to be raised for
a user-selected period of time before the driver attempts to transmit a
message. This tag will only be effective for drivers that support Manual

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