Response Electronics CL6011B Dokumentacja Pobierz pdf (Strona 307)

Glossary

Original Ć June 1990 CE4.2:CL6211

Softkey Another name for multifunction key.

Software Microprocessor or computer programs and routines that a user can

change.

SP Acronym: set point

SSDA Acronym: Synchronous Serial Data Adapter

STA Abbreviation: Station

StandĆAlone Said of a selfĆcontained system that exists and performs as an

autonomous unit.

STAT Abbreviation: Station

Station (ST, STA, or STAT)

Definition of the valid control modes for a control loop. Possible modes

include manual (MAN), automatic (AUTO), remote set point (RSP),

supervisory (SUP), direct digital control (DDC), and computer (COM).

SUP Abbreviation: Supervisory Mode

Supervisory (SUP)

A loop control mode: the control algorithm changes the control output to

minimize the difference between the values of the set point and the

process variable. A process computer, a computer program, a unit point,

or a logic control point supplies the set point value.

SVA Acronym: Signal Value Analog

SVD Acronym: Signal Value Discrete

Synchronous Serial Data Adapter (SSDA)

An integrated circuit device that provides a bidirectional serial interface

for synchronous data exchange. It contains interface logic for

simultaneously transmitting and receiving standard synchronous

communications characters.

Systems Engineering

The implementation of a hardwareĆandĆsoftware system resulting from

analysis of a control problem.

Ta g A unique identifying mnemonic or label for a controller, instrument signal,

or point of a process control system.

Sof - Ta

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Response Electronics CL6011B Dokumentacja Strona 307