Control
Unit
E6L
/
Rev
6.11
‐
17
INSTALLATION
POSITION
TRANSMIT
‐
TER
RECEIVER
R308=ADJUSTMENT
OF
AMPLIFICATION
S301
ON
‐
WIDE
DOORWAY
OFF
‐
NARROW
DOORWAY
S302
ON
‐
LIGHT
OPERATION
OFF
‐
DARK
OPERATION
Figure
5.
Photocell
amplifier
E6
‐
4
6.4.
SEPARATE
SAFETY
PHOTOCELL
EU2
‐
4,
1
OR
2
CHANNELS
The
safety
photocell
EU2
‐
4
is
directly
suitable
for
the
control
unit
E6L.
The
amplifier
board
will
operate
in
1
or
2
channel
mode
depending
of
the
position
of
the
short
circuit
plug
1CH/2CH
.
The
middle
pin
of
the
3
‐
pin
terminal
is
connected
to
pin
1CH
(1
channel)
or
to
pin
2CH
(2
channels).
In
1
channel
mode
the
transmitter
is
connected
to
terminals
T1
and
GND
,
the
receiver
to
terminals
R1
and
GND
.
In
1
channel
mode
the
level
indicating
LED
CH2
is
not
on.
The
selection
between
light
and
dark
operation
mode
is
made
by
the
short
circuit
plug
DRK/LGT
.
The
middle
pin
of
the
3
‐
pin
terminal
is
connected
to
pin
DRK
(dark)
or
to
pin
LGT
(light)
according
to
the
operation
in
use.
In
case
of
safety
photocell
the
connection
is
light.
The
type
of
the
transmitter
of
safety
photocell
EU2
‐
4
is
LT01
‐
WS
‐
15M,
the
type
of
receiver
is
LR02
‐
WS
‐
15M.
The
transmit
‐
ter
LT
‐
WS
‐
15M
and
the
receiver
LR
‐
WS
‐
15M
of
the
previous
photocell
types
E6
‐
4,
PA
‐
series
and
MPA
‐
series,
are
not
directly
suitable
to
use
with
EU2
‐
4
transmitters
and
receivers,
but
they
must
always
be
used
as
their
own
pair.
When
using
transmit
‐
ters
and
receivers
of
the
previous
photocell
types
in
the
new
amplifier
EU2
‐
4
,
in
order
to
work,
they
must
be
used
as
their
own
pair.
When
using
new
transmitters
and
receivers
with
an
amplifier
of
previous
types,
please
contact
OVITOR
OY.
The
safety
photocell
amplifier
board
EU2
‐
4
is
installed
into
the
plug
‐
in
socket
X103
in
the
right
edge
of
board
E6
‐
2;
see
illustration
1.
If
a
terminal
block
with
a
jumper
has
been
installed
in
socket
X103,
the
terminal
block
is
first
removed
by
pull
‐
ing
it
out,
and
then
terminal
J1
of
the
photocell
amplifier
board
is
pushed
into
socket
X103
so
deep
that
its
claws
get
into
perfect
grip
with
the
corresponding
clamp
step
of
the
X103.
Installed
in
a
normal
way,
the
board
only
fits
in
one
position.
The
component
side
of
board
EU2
‐
4
faces
the
component
side
of
the
E6
‐
2L
board.
The
transmitter
and
the
receiver
of
the
photocell
are
connected
on
the
amplifier
board
according
to
the
wiring
diagram
and
illustration
6.
The
opening
photocell
amplifier
board
is
mounted
on
a
separate
socket
FC2
.
Photocell
amplifier
EU2
‐
4
is
tuned
up
automatically
when
the
alignments
of
transmitters
and
receivers
are
correct
and
the
amplifier
operating
voltage
will
be
switched
on,
or
the
RESET
button
on
the
board
will
be
pushed.
When
switching
power
on,
the
green
LED
PWR
in
the
amplifier
lights
up,
and
if
transmitters
and
receivers
are
correctly
aligned,
also
the
yellow
LED
OUT
lights
up
indicating
beam
unity.
Simultaneously
the
operation
level
indicating
green
LED’s
CH1
and
CH2
flash
slowly
and
after
a
while
keep
on
lighting
constantly.
If
the
level
indicating
green
LED’s
continuously
flash
slowly,
the
photocell
am
‐
plification
is
at
maximum
range.
The
reason
for
that
is
normally
a
wrong
alignment
of
transmitters
and
receivers
and
it
must
be
checked.
If
the
level
indicating
green
LED’s
flash
quickly,
the
receivers
are
influenced
by
a
severe
extraneous
disturbance.
In
that
case
the
yellow
LED
OUT
goes
out.