User's Manual

Table Of Contents
Page 4 SITRANS LR560 (mA/HART) – INSTRUCTION MANUAL 7ML19985KB01
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SITRANS LR560
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Abbreviations and Identifications
Short
form
Long Form Description Units
CE / FM /
CSA
Conformité Européene / Factory Mutual /
Canadian Standards Association
safety approval
DCS Distributed Control System control room apparatus
dK dielectric constant
EDD Electronic Device Description
ESD Electrostatic Discharge
FMCW Frequency Modulated Continuous Wave radar principle
I
i
Input current mA
I
o
Output current mA
LCD Liquid Crystal Display
LDI Local Display Interface
removable display with push
buttons
LUI Local User Interface
view outputs via LCD display;
make modifications via push
buttons or handheld programmer
μs microsecond 10
-6
Second
PA Process Automation (PROFIBUS)
PED Pressure Equipment Directive safety approval
ppm parts per million
PV Primary Value measured value
SELV Safety extra low voltage
SV Secondary Value equivalent value
TB Transducer Block
TVT Time Varying Threshold sensitivity threshold
U
i
Input voltage V
U
o
Output voltage V