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List of abbreviations
SIMATIC MV500
Operating Instructions, 03/2021, C79000-G8976-C494-05
291
Abbreviation/symbol Explanation
RS232
(also EIA-232) Identifies an interface standard for a sequential, serial data
transmission.
RS422
(also EIA-422) Identifies an interface standard for a differential, serial data
transmission.
RS485
(also EIA-485) Identifies an interface standard for a differential, serial data
transmission.
ROM
R
ead
O
nly
M
emory
Rx
Receive (Rx) identifies a receiver
s
S
econd
SELV
S
afety
E
xtra
L
ow
V
oltage
SF
Group error (German
S
ammel
f
ehler)
SNTP
S
imple
N
etwork
T
ime
P
rotocol
SO
2
Sulfur dioxide
PLC
P
rogrammable
L
ogic
C
ontroller
SR
S
tandard
R
esolution
t
T
ime
T
T
emperature
TCP
T
ransmission
C
ontrol
P
rotocol
TCP/IP
T
ransmission
C
ontrol
P
rotocol/
I
nternet
P
rotocol; a reference model for
communication on the Internet
Tx
Transmit (Tx) identifies a transmitter
URL
U
niform
R
esource
L
ocator
V
V
olt (SI unit of voltage)
VDE
V
erband
d
er
E
lektrotechnik, Elektronik und Informationstechnik (German
Association for Electrical, Electronic and Information Technologies)
WAN
W
ide
A
rea
N
etwork
WBM
W
eb
B
ased
M
anagement
XML
E
X
tensible
M
arkup
L
anguage
e. g.
for example
Содержание SIMATIC MV500
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