
Glossary
Original Ć June 1990 CE4.2:CL6211
C
CASC Abbreviation: Cascade Control
Cascade Control
A control technique that uses the output of one control loop (in AUTO or
MAN mode) as the set point for another control loop (in RSP mode).
Central Processing Unit (CPU)
The portion of a computer that manipulates and modifies data, carrying
out the instructions of the computer program.
CHIP Acronym: Computer/Highway Interface Package
CIA Acronym: Communications Interface Assembly
CMOS Acronym: Complimentary Metal Oxide Semiconductor
CO Acronym: Current Output
Communications Interface Assembly (CIA)
A printed circuit card that links files of PROVOX devices and the data
highway. The CIA provides the timing and data conversion necessary for
communications.
Complimentary Metal Oxide Semiconductor (CMOS)
A family of digital integrated circuits that use transistors operating in a
pushĆpull mode to carry out logic functions. A CMOS usually is capable
of lowĆpowered operation.
Computer/Highway Interface Package (CHIP)
A PROVOX software product that allows userĆwritten programs to interact
with the PROVOX database. There are different CHIP versions, so that
any of several types of computers can be the host computer.
CONFIG Abbreviation: Configuration
Configuration (CONFIG)
Giving instructions and supplying reference information to the controllers
and other devices that make up a process control instrumentation
system. For some PROVOX systems, configuration consists of
responding to prompts in a series of screen displays. For other PROVOX
systems, configuration consists of creating and manipulating special
ASCII text files.
Configuration Source File
A special ASCII text file that certain PROVOX systems use for
configuration. Such a source file contains instructions and reference
information for the controllers and other devices of the system.
CASC - Con
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