1.5
Abbreviations
Introduction
This section explains abbreviations that appear in the user documentation for ÄKTA™
flux s ÄKTA flux s.
Abbreviations
Abbreviation
Definition (English)
Translation (local language)
ACD
aseptic connection device
aseptic connection device
CEM
controlled environment module
controlled environment module
CV
controlled variable
The output from the PID controller, or
a manually set value that controls the
process variable.
controlled variable
The output from the PID controller, or
a manually set value that controls the
process variable.
CVHL
controlled variable high limit
controlled variable high limit
CVLL
controlled variable low limit
controlled variable low limit
DP
differential pressure
differential pressure
EPDM
ethylene propylene diene monomer
ethylene propylene diene monomer
HEPA
high efficiency particulate air
controlled variable low limit
PID
proportional integral derivative
A PID controller calculates an error
value as the difference between a
measured process variable (PV) and a
desired setpoint (SP). The PID
controller attempts to minimize the
error by adjusting the process control
inputs (CV).
proportional integral derivative
A PID controller calculates an error
value as the difference between a
measured process variable (PV) and a
desired setpoint (SP). The PID
controller attempts to minimize the
error by adjusting the process control
inputs (CV).
PLC
programmable logic controller
programmable logic controller
PV
process variable, measured
process variable, measured
SAT
site acceptance testing
site acceptance testing
SCADA
supervisory control and data acquisi-
tion
supervisory control and data acquisi-
tion
1 Introduction
1.5 Abbreviations
ÄKTA flux s Operating Instructions 29046893 AG
11