Maintenance
52
Marathon
Series
FA/FR
Figure
39:
Attaching
the
Fiber
Optic
Cable
to
the
Electronics
Housing
10.4.3
Fiber
Calibration
Each
replacement
fiber
optic
cable
is
calibrated
at
the
factory
before
shipping.
The
calibration
constants
are
sent
along
with
a
label
mounted
on
the
cable.
So
you
have
to
enter
them
into
the
appropriate
Fiber
Calibration
software
program.
This
program
sends
the
new
calibration
constants,
through
the
RS485
connection,
to
the
sensor’s
electronics.
The
Fiber
Calibration
program
comes
with
the
other
software
programs
you
received.
To
run
the
program
and
enter
new
cable
calibration
constants,
complete
the
following:
1.
The
program
can
not
be
launched
from
the
CD.
Thus
you
have
to
copy
the
file
MARATHFC.EXE
from
the
software
CD
to
the
hard
disk
of
your
computer,
e.g.
by
means
of
the
Windows
Explorer.
2.
For
launching
the
program
you
have
to
select
the
file
and
to
push
the
<Enter>
button.
3.
In
the
following
dialog
you
are
requested
to
select
the
right
COM
port
with
the
plugged
unit.
For
establishing
the
communication
click
on
the
<Done>
button.
4.
The
main
screen
appears.
Click
on
the
<Fiber
ID>
button.
5.
In
the
following
dialog
you
are
requested
to
input
the
calibration
constants
for
the
fiber
cable.
The
dialog
must
be
closed
with
clicking
on
the
<Finish>
button.
6.
The
transmission
of
the
new
calibration
constants
to
the
unit
is
initialized
by
clicking
on
the
<Download
Calibration
Constants>
button.
Attention:
Do
not
interrupt
the
data
transmission!
7.
The
click
on
the
<Exit>
button
completes
the
recalibration
of
the
fiber
cable.
Tighten only after securing
connecting sleeve
Note keyed connecting sleeve (can be
inserted only one way - slot must face mode
switches)
Push connecting sleeve in until it stops,
approx. 15 mm (0.6 in)
Tighten screw (finger tighten only)