Multifunction Protection and Switchgear Control unit REF542plus
Manual: Motor Protection with ATEX-Certification
2 Abbreviations and Definitions
In the following the abbreviations and definitions used in thid manual are listed.
2.1 Abbreviations
AIS Air Isolated Switchgear
AR Auto Reclosure
CT Current Transformer
DFT Discrete Fourier Transformation
EMC Electro Magnetic Compatibility
FUPLA FUnktionblock Programming LAnguage
GIS Gas Isolated Switchgear
HMI Human Machine Interface
LCD Liquid Crystal Display
LED Light Emitting Diode
LAG Lon Application Guide
LV Low Voltage
MC Micro Controller
PC Personal Computer
RHMI Remote Human Machine Interface, the same meaning as HMI
VDEW Association of German Electrical Utilities
2.2 Definitions
There are notes and warnings on hazards at the beginning of every section and also
in the text. They are in a different font to distinguish them from normal text.
The safety warnings must be observed in all circumstances. If they are not observed,
no guarantee claims will be accepted.
Note
A note indicates items that are significant in the specific context. A note may contain
information on the interplay of various software components and appears as shown
below.
Example:
Note Please read this section completely for information on the various formats for safety
notes.
1VTA100114-Rev. 04 en PTMV, 19.01.05 Motorprotection 7 / 66
Valid from Version V4D02
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