Serial Port Tags

The serial port tag type opens an RS-232 connector port for use by a driver. The transmit and receive buffer lengths are fixed at 16384 bytes. Likewise, the RTS and DTR parameters of the ComPort statement are fixed at 1.

Note: Serial port tags may use the same port for different purposes on 2 different PCs. This is achieved by the re-use of serial ports on backup machines in remote applications.

The serial port tag type has the following characteristics:

Serial Port Tag Type Characteristics

Tag Browser Name: SerialPort

Database Table Name: SerialPort

Type: Miscellaneous

Tag Group Memberships: Numeric, Ports

Log Enabled Variables: None

Native Drawing Methods: Serial Port Tag Drawing Methods

Topics in this section:

Serial Port Tag Type Properties: ID Tab

Serial Port Tag Type Properties: Settings Tab