KP8, KP8F
Operating Instructions, 10/2010, A5E03284305-01
97
Abbreviations
B
CPU
Central Processing Unit
DC
Direct Current
DIL
Dual-in-Line
DP
Distributed I/O
ESD
Electrostatic Discharge, the components and modules endangered by
such
EMC
Electromagnetic Compatibility
EN
European standard
ESD
Electrostatic Sensitive Device
F-CPU
Fail-safe Central Processing Unit
GND
Ground
GSD
Device master file
HF
High Frequency
HMI
Human Machine Interface
IEC
International Electronical Commission
LED
Light Emitting Diode
MTTR
Meantime to Restoration
MRP
Media Redundancy Protocol
MS
Microsoft
PELV
Protective Extra Low Voltage
PFD
Probability of a dangerous Failure on Demand
PFH
Probability of a dangerous Failure per Hour
PL
Performance Level
RSTP
Rapid Spanning Tree Protocol
SELV
Safety Extra Low Voltage
SIL
Safety Integrity Level
TIA
Totally Integrated Automation
UL
Underwriter’s Laboratory