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List of abbreviations
SITRANS SL
206
Operating Instructions, 12/2010, A5E01132948-04
Abbreviation / symbol
Explanation
l/min
Liters per minute
LAN
Local Area Network
LCD
Liquid crystal display
LD
Laser diode
LDS
Laser Diode Spectrometer
LDSComm
Laser Diode Spectrometer Communication software
LED
Light emitting diode
LUI
Local User Interface
max.
Maximum
mm
Millimeter
mm²
Square millimeters
MPa
Megapascal
MPI
Message passing Interface
MSB
Most significant byte
n. B.
As required
NAMUR
Standards working committee for measuring and control
technology in the chemical industry.
NC
Not connected
O
2
Oxygen
PA
Process Automation
PC
Personal Computer
PCB
Printed Circuit Board
PCMCIA
Personal Computer Memory Card International Association
PCS
Process Control System
PDM
Process Device Manager
PE
Protective Earth (terminal)
PG
Programming device
PI
Process Interface
PLC
Programmable Logic Controller
PN
Pressure nominal
PROFIBUS
Process Field Bus
QAL
Quality Assurance Level
RAM
Random Access Memory
RHU
Receiver Housing Unit
RTU
Receiver Tube Unit
Rx
Receive (Rx) identifies a receiver
s
Second
SELV
Safety Extra Low Voltage
SM374
Simulation module 374
SMA
Sub-Miniature A, a coaxial connector type
STP
Screened twisted pair