Siemens SITRANS LR460 HART Operating Instructions Manual page 11

Short
Long Form
form
TV Transmitter Variable
TVT Time Varying Threshold
U Input voltage
i
U Output voltage
o
1.
The output from the Level Transducer Block can be called the Primary Value (or
Secondary Value). When it becomes the input to the AIFB, it is called the
Process Variable. It is distinct from the HART PV.
A5E42035355
Description
sensitivity threshold
SITRANS LR460 – INSTRUCTION MANUAL
Units
(cont' d )
V
V
Page 5