Siemens SITRANS LR560 Operating Instructions Manual page 11

Short
Long Form
form
31.25 kbps 2-wire fieldbus
H1
protocol
HSE High Speed Ethernet
ITK Interoperability Test Kit
I Input current
i
I Output current
o
LAS Link Active Scheduler
LCD Liquid Crystal Display
LDI Local Display Interface
LTB Level Transducer Block
LUI Local User Interface
μs microsecond
Pressure Equipment
PED
Directive
Proportional Integral
PID FB
Derivative Function Block
ppm parts per million
PV Primary Value
RES Resource Block
SELV Safety extra low voltage
SV Secondary Value
TVT Time Varying Threshold
U Input voltage
i
U Output voltage
o
7ML19985LY01 SITRANS LR560 (FF) – OPERATING INSTRUCTIONS
Description
communication protocol
removable display with push
buttons
view outputs via LCD display;
make modifications via push
buttons or handheld programmer
-6
10
safety approval
measured value
equivalent value
sensitivity threshold
Units
(cont' d )
mA
mA
Second
V
V
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