Installation
5.4.2
Emissivity
Setting
(digital
controlled)
The
sensor’s
electronics
contains
a
table
with
8
pre
‐
installed
settings
for
emissivity.
To
activate
these
emissivity
settings,
you
need
to
have
the
inputs
FTC1,
FTC2,
and
FTC3
connected.
According
to
the
voltage
level
on
the
FTC
inputs,
one
of
the
table
entries
will
be
activated.
0
=
Low
signal
(0
V)
1
=
High
signal
(5
V)
A
non
‐
wired
input
is
considered
as
“High”!
Table entry Emissivity
(Examples)
FTC3 FTC2 FTC1
0
1
2
3
4
5
6
7
1.100
0.500
0.600
0.700
0.800
0.970
1.000
0.950
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Figure
15:
Digital
Selection
of
Emissivity
with
FTC
Inputs
The
values
in
the
table
can
only
be
changed
by
means
of
the
DataTemp
MultiDrop
software.
MID
25