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Siemens SIMATIC MV500 - Page 291

Siemens SIMATIC MV500
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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
Read Only Memory
Rx
Receive (Rx) identifies a receiver
s
Second
SELV
Safety Extra Low Voltage
SF
Group error (German Sammelfehler)
SNTP
Simple Network Time Protocol
SO2
Sulfur dioxide
PLC
Programmable Logic Controller
SR
Standard Resolution
t
Time
T
Temperature
TCP
Transmission Control Protocol
TCP/IP
Transmission Control Protocol/Internet Protocol; a reference model for
communication on the Internet
Tx
Transmit (Tx) identifies a transmitter
URL
Uniform Resource Locator
V
Volt (SI unit of voltage)
VDE
Verband der Elektrotechnik, Elektronik und Informationstechnik (German
Association for Electrical, Electronic and Information Technologies)
WAN
Wide Area Network
WBM
Web Based Management
XML
EXtensible Markup Language
e. g.
for example

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