Siemens SIMATIC MV540 H - Page 234

List of abbreviations
SIMATIC MV500
234 Operating Instructions, 06/2018, C79000-G8976-C494-01
Abbreviation/symbol
Explanation
ESD
Electrostatic Discharge
FB
F
unction
B
lock
FBD
Function Block Diagram
GND
G
rou
nd
GSD
Generic Station Description
IAQG
International Aerospace Quality Group
I/O
Input/Output
ISO
International Standards Organization (from Greek: "isos"; Engl. "equal")
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronics Engineers
IP
Internet Protocol or International Protection
HF
High Frequency
H
2
S
Hydrogen sulfide
hPa
Hectopascal
HR
High Resolution
HTML
Hypertext Markup Language
HTTP
Hypertext Transfer Protocol
kg
Kilogram
LAD
Ladder Diagram
LAN
Local Area Network
LCD
L
iquid
C
rystal
D
isplay
LED
Light emitting diode
MAC
Media Access Control
max.
Maximum
MB = Mbit
10
6
bits
MHz
Megahertz
mil milli-inches
min
Minute
m
Meter
mm²
Square millimeter
MTBF
Mean operating Time Between Failures
MTTR
Mean Time To Recover
LF
Low Frequency
OCR
Optical Character Recognition
OCV
Optical Character Verification
PC
Personal Computer, a stationary single-user computer
PELV
Protective Extra Low Voltage
PG
Programming device
PIB
Proxy Ident Function Block
PROFIBUS
Process Field Bus, international fieldbus standard to EN 50170/IEC 61158
PTB
Physikalisch-Technische Bundesanstalt (German technical inspectorate)
RAM
Random Access Memory