REF 542plus switchbay protection and control unit
Manual Part 3: Installation and Commissioning
1VTA100004-en DMS,2001-10-04
REF542
plus
: Installation and Commissioning
7 / 80
2 Abbreviations and Definitions
In the following abbreviations and definitions used in this manual are listed together.
2.1
Abbreviations
AIS
A
ir
I
solated
S
witchgear
AR
A
uto
R
eclosure
CT
C
urrent
T
ransformer
DFT
D
iscrete
F
ourier
Tr
ansformation
EMC
E
lectro
M
agnetic
C
ompatibility
FUPLA
FU
nktionblock
P
rogramming
LA
nguage also used as abbreviation for
function plan or chart
GIS
G
as
I
solated
S
witchgear
HMI
H
uman
M
achine
I
nterface as control unit
LCD
L
iquid
C
rystal
D
isplay
LED
L
ight
E
mitting
D
iode
LAG
L
on
A
pplication
G
uide
LV
L
ow
V
oltage
MC
M
icro
C
ontroller
PC
P
ersonal
C
omputer
RHMI
R
emote
H
uman
M
achine
I
nterface, the same meaning as HMI
VDEW
Association of German Utilities
2.2
Definitions
Notes and warnings on hazards are 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.
