Abbreviations
E
Abbreviation In full Meaning
PED Pressure Equipment Directive
HART Highway Addressable Remote Transducer Standardized protocol for transmission of information between field
device and automation system.
LRL Lower Range Limit Lower end of the measuring range
LRV Lower Range Value Lower end of the set measuring span
MA Lower range value Lower end of the set measuring span
ME Upper range value Upper end of the set measuring span
MAWP Maximum Allowable Working Pressure (PS) Maximum permissible operating pressure
NFPA National Fire Protection Association US - American Fire Protection Organization
F&B Food and beverage industry
PDM Process Device Manager Tool for communication with HART devices (manufacturer: Siemens)
r
Turn-down Ratio of the set measuring span to the maximum set measuring span,
for example
S>EDU@
7XUQGRZQ
Set measuring span: 0.4 bar
Maximum configured measuring span: 1 bar
URL Upper Range Limit Upper end of the measuring range
URV Upper Range Value Upper end of the set measuring span
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC 271
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