Response Electronics CL6011B Dokumentacja Strona 152

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Original — December 1991
UM4.6:CS6003
Glossary-30
Service Transfer Unit (SVXFR)
A stand–alone maintenance product which maintains the current output
to a final control element during the replacement of regulatory controller
cards.
Settling Time The time required, following a process disturbance or set point change,
for a controller’s output value to return to a steady state condition.
SGP Acronym: Shield Ground Point
Shield Ground Point (SGP)
A copper bus bar that fits in horizontal cable trays in a system cabinet.
This bar is a convenient place to ground signal cable shields.
Signal Common (SC)
A ground point that provides a reference for analog input and analog
output signals in a PROVOX system. System installers should reference
all other DC wiring to power supply common (PSC).
SIU Acronym: Serial Interface Unit
Software Microprocessor or computer programs and routines that reside in
alterable memory (usually RAM or magnetic media), as opposed to
firmware, which consists of programs and routines that are programmed
into an integrated circuit.
Source File An ASCII-text configuration file that contains definitions of one or more
system hardware devices or logical units.
SP Acronym: Setpoint
Span [See Percent of Span]
SQRT Abbreviation: Square Root
SSDA Acronym: Synchronous Serial Data Adapter
ST Abbreviation: Station
STA Abbreviation: Station
Standalone Said of a self-contained system that exists and performs as an
autonomous unit.
Standard ac
2
A multiplexer point type that monitors signals associated with Fisher
Controls ac
2
100 instrumentation.
Standard Analog Input
A multiplexer point type that accepts an analog signal from a field device,
then passes the value directly to the data highway.
Ser - Sta
Glossary
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