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Omron SYSMAC C Series User Manual

Omron SYSMAC C Series
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System
expansion
and
peripherals
Note:
On
using
optical
transmitting
1/0
unit
The
optical
transmitting
{/O
units
are
used
for
remote
control
of
equipment
when
eight
or
fewer
input
or
output
points
are
required.
The
C20
communicates
with
these
optical
transmitting
I/O
units
through
the
remote
I/O
master
unit
installed
in
the
higher-level
PC
(C120,
C250,
or
C500).
Each
optical
transmitting
I/O
unit
has
eight
input
or
output
points.
This
means
that
when
a
channel
is
to
be
formed,
two
of
the
units
must
be
used
together,
with
one
serving
as
the
“higher”
half
of
the
channet
and
the
other
serving
as
the
“lower”
half.
Both
halves
must be
assigned
as
either
input
or
output.
You
cannot
mix
input
points
and
output
points
in
creating
one
channel.
For
example,
when
you
have
specified
a
pair
of
optical
transmitting
!/O
units
as
the
higher
and
lower
halves
of
channel
31,
you
should
not
specify
the
higher
half
as
an
input
channel
and
the
lower
half
as
output.
Instead,
create
a
second
channe!
using
one
or
more
other
optical
transmitting
I/O
units.
Thus,
channel
31
would
be
used
for
input
and
channel
30
would
be
used
for
output.
DIP
switch
setting
Use
this
procedure
for
setting
the
DIP
switch
when
designating
channels
and
the
end
station.
1.
First,
refer
to
the
I/O
assignments
of
the
PC
or
PCs
connected
to
the
remote
I/O
master
unit.
This
is
so
you
can
determine
the
last
input/output
channel
number.
This
procedure
is
explained
ina
moment.
2.
Decide
what
the
channel
number
of
the
I/O
link
unit
should
be.
When
doing
this,
be
careful
that
no
i/O
link
unit
channel
number
overlaps
the
tast
assigned
channel
number
of
the
PC
or
exceeds
the
allowable
number
of
I/O
points
of
the
PC.
If
a
channel
number
higher
than
the
maximum
number
of
I/O
points
is
assigned
to
an
I/O
link
unit,
an
error
occurs.
3.
Next
check
whether
the
I/O
link
unit
connected
to
the
C20
is
at
the
end
of
the
SYSBUS
(that
is,
the
unit
physically
furthest
from
the
remote
1/O
master).
If
so,
this
I/O
link
unit
must
be
specified
as
the
end
station.
Check
that
no
other
I/O
link
unit
connected
to
the
SYSBUS
is
already
specified
as
the
end
station.
4.
Turn
off
the
power
to
the
I/O
link
unit.
5.
Confirm
that
the
LED
power
indicator
on
the
I/O
link
unit
is
not
lighted.
Then
open
the
front
cover
of
the
I/O
link
unit
with
a
flat-bladed
screwdriver.

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Omron SYSMAC C Series Specifications

General IconGeneral
BrandOmron
ModelSYSMAC C Series
CategoryController
LanguageEnglish

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