TP 270, OP 270, MP 270B (WinCC flexible)
Operating Instructions, Edition 03/2004, 6AV6691-1DD01-0AB0
B-1
Abbreviations
B
B.1 Abbreviations
CPU Central Processing Unit
CSV Comma Separated Values
CTS Clear To Send
DC Direct Current
DCD Data Carrier Detect
DP Decentralized Periphery
DSN Data Source Name
DSR Data Set Ready
DTR Data Terminal Ready
ESD Electrostatically Sensitive Devices
EMC Electromagnetic Compatibility
EN European Norm
ES Engineering System
ESD Electrostatic Sensitive Device
GND Ground
HF High Frequency
HMI Human Machine Interface
IEC International Electronic Commission
IF Interface
LED Light Emitting Diode
MMC Multi Media Card
MOS Metal Oxide Semiconductor
MPI Multipoint Interface (SIMATIC S7)
MTBF Mean Time Between Failures
N.C. Not connected
OP Operator Panel
PC Personal Computer
PU Programming Unit
PPI Point to Point Interface (SIMATIC S7)
RAM Random Access Memory
RTS Request To Send
RxD Receive Data
SELV Safety Extra Low Voltage