User Manual
DIN-Rail Mounting
The
aluminum
DIN-Rail
attachment
plate
should
be
fixed
to
the
back
panel
of
AWK-3121
when
you
take
it
out
of
the
box.
If
you
need
to
reattach
the
DIN-Rail
attachment
plate
to
AWK-3121,
make
sure
the
stiff
metal
spring
is
situated
towards
the
top,
as
shown
in
the
figures
below
.
STEP
1
:
Insert
the
top
of
the
DIN-Rail
into
the
slot
just
below
the
stiff
metal
spring.
metal
spring
STEP
2
:
The
DIN-Rail
attachment
unit
will
snap
into
place
as
shown
below.
metal
spring
DIN-Rail
DIN-Rail
To
remove
AWK-3121
from
the
DIN-Rail,
simply
reverse
Steps
1
and
2
above.
Wall Mounting (Optional)
For
some
applications,
you
will
find
it
convenient
to
mount
AWK-3121
on
the
wall,
as
illustrated
below.
STEP
1
:
Remove
the
aluminum
DIN-Rail
attachment
plate
from
AWK-3121,
and
then
attach
the
wall
mount
plates,
as
shown
in
the
diagrams
below.
Top
plate
⇒
Bottom
plate
STEP
2
:
Mounting
AWK-3121
on
the
wall
requires
4
screws.
Use
the
AWK-3121,
with
wall
mount
plates
attached,
as
a
guide
to
mark
the
correct
locations
of
the
4
screws.
The
heads
of
the
screws
should
be
less
than
6.0
mm
in
diameter,
and
the
shafts
should
be
less
than
3.5
mm
in
diameter,
as
shown
in
the
figure
at
the
right.
Do
not
screw
the
screws
in
all
the
way—leave
a
space
of
about
2
mm
to
allow
room
for
sliding
the
wall
mount
panel
between
the
wall
and
the
screws.
6.0
mm
3.5
mm
-
5
-