Siemens SIMATIC MV500 Operating Instructions Manual page 291

Abbreviation/symbol
RS232
RS422
RS485
ROM
Rx
s
SELV
SF
SNTP
SO
2
PLC
SR
t
T
TCP
TCP/IP
Tx
URL
V
VDE
WAN
WBM
XML
e. g.
SIMATIC MV500
Operating Instructions, 03/2021, C79000-G8976-C494-05
Explanation
(also EIA-232) Identifies an interface standard for a sequential, serial data
transmission.
(also EIA-422) Identifies an interface standard for a differential, serial data
transmission.
(also EIA-485) Identifies an interface standard for a differential, serial data
transmission.
Read Only Memory
Receive (Rx) identifies a receiver
Second
Safety Extra Low Voltage
Group error (German Sammelfehler)
Simple Network Time Protocol
Sulfur dioxide
Programmable Logic Controller
Standard Resolution
Time
Temperature
Transmission Control Protocol
Transmission Control Protocol/Internet Protocol; a reference model for
communication on the Internet
Transmit (Tx) identifies a transmitter
Uniform Resource Locator
Volt (SI unit of voltage)
Verband der Elektrotechnik, Elektronik und Informationstechnik (German
Association for Electrical, Electronic and Information Technologies)
Wide Area Network
Web Based Management
EXtensible Markup Language
for example
List of abbreviations
291