rate as fast as the I/O Device hardware can
support.) The data transfer rate is hardware dependent: once you
have installed the hardware, your ability to influence this
characteristic is limited. Many external factors influence the performance of
control and monitoring systems. The capabilities of the computer,
the I/O Device(s), and the communication pathway between them are
obvious factors. The faster they can transfer data, the faster your
system operates. (CitectSCADA always attempts to maintain
a data
transfer rate as fast as the I/O Device hardware can
support.) The data transfer rate is hardware dependent: once you
have installed the hardware, your ability to influence this
characteristic is limited.
However, there is one area where you can directly affect the performance of your runtime system: the arrangement of data registers in the I/O Device(s).
See Also