4
M
ounting
4
.
1
G
eneral instructions
SU
501
E
x signal conditioning instrument with plug
-
in socket
for mounting on carrier rail acc
.
to
EN
50022
.
T
he front plate of
SU
501
E
x can be provided with a lockable
transparent cover to protect the instrument against unautho
-
rised adjustment
.
S
ee the following
fi
gure for how to remove
the transparent cover
.
F
ig
.
2
:
R
emoving the transparent cover
4
.
2
M
ounting information
T
he plug
-
in socket is constructed for carrier rail mounting acc
.
to
EN
50022
.
P
ower supply is connected to terminals
9
and
10
.
F
or neighbouring signal conditioning instruments
,
it is possible
to continue connection
L
1
and
N
directly via the supplied
bridges
.
D
anger
:
T
he bridges must never be used with single instruments or at
the end of a row of instruments
.
I
f this rule is not heeded
,
there
is a danger of coming into contact with the operating voltage or
causing a short circuit
.
I
nstallation location
T
ransparent cover
M
ounting
SU
501
E
x
-
S
ignal conditioning instrument
9
M
ounting
27953
-
EN
-
050616