Abbreviations And Identifications - Siemens SITRANS LC500 Operating Instructions Manual

Abbreviations and Identifications

Short form Long Form
A/D Analog to Digital
Conformité Européene / Factory
CE / FM / CSA Mutual / Canadian Standards
Association
D/A Digital to Analog
DAC Digital Analog Converter
DCS Distributed Control System
ESD Electrostatic Discharge
Ex Explosion Proof
Exd Flame Proof
FV Full Vacuum
Highway Addressable Remote
HART
Transducer
LRV Lower Range Value
LSL Lower Sensor Limit
F
micro Farads
s
micro Seconds
PED Pressure Equipment Directive
pF pico Farads
ppm parts per million
PV Primary Variable
Grounded metal tube with
Stilling Well
openings
SV Secondary Variable
Secondary Variable Lower
SVLRV
Range Value
Secondary Variable Upper
SVURV
Range Value
TV Transmitter Variable
URV Upper Range Value
USL Upper Sensor Limit
7ML19985GE04 SITRANS LC500 – OPERATING INSTRUCTIONS
Description
safety approval
control room apparatus
safety approval
safety approval
value for 0 %
below which no PV is
anticipated
-6
10
-6
10
safety approval
-12
10
measured value
equivalent value
0% equivalent value
100% equivalent value
value for 100%
above which no PV is
anticipated
Units
4 mA
Farad
Seconds
Farad
20 mA
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