Siemens SITRANS P500, Руководство по эксплуатации, Страница: 229 / 238

SITRANS P500 with HART
Operating Instructions, 12/2014, A5E02344528-09
229
List of abbreviations
B
List of abbreviations
Table B- 1 Units
Abbreviation In full Meaning
bar a bar absolute Pressure unit for absolute pressure
bar g bar gauge Pressure unit for gauge pressure
inH
2
0 inches of water Pressure unit for gauge pressure
lb Pfund (engl.: Pound) Unit of weight
psi a psi absolute Pressure unit for absolute pressure
psi g psi gauge Pressure unit for gauge pressure
Table B- 2 Other abbreviations
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 Engl.: Lower Range Limit Lower end of the measuring range
LRV Engl.: Lower Range Value Lower end of the set measuring span
MA Start of scale value Lower end of the set measuring span
ME Full scale value Upper end of the set measuring span
MAWP Engl.: 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 Engl.: Process Device Manager Tool for communication with HART devices (manufacturer: Sie-
mens)
URL Engl.: Upper Range Limit Upper end of the measuring range
URV Engl.: Upper Range Value Upper end of the set measuring span