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Omron SYSMAC C Series User Manual

Omron SYSMAC C Series
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Page #100 background image
Scan
time
Resetting
of
watchdog
timer
@|
Checking
of
user
program
memory
Checking
of
I/O
bus
E
a
Execution
time
and
variables
The
required
scan
time
differs
depending
on
the
configuration
of
the
system,
the
number
of
I/O
units,
the
number
of
special
instructions,
and
whether
peripheral
devices
are
connected.
The
following
table
shows
the
time
required
for
each
internal
operation.
1.07ms
(fixed)
to
output
unit
from
I/O
relays
Reading
data
input
from
input
unit
to
1/0
relays
@|
Writing
data
(result
of
instruction
execution)
1.04ms+0.33msxN
where,
N
=
1
when
a
28-point
I/O
unit
or
I/O
link
unit
is
used
or
N
=
2
when
a
56-point
I/O
unit
is
used
@)|
Execution
of
instructions
in
the
user
program
Total
time
for
executing
instructions.
The
time
required
for
execution
differs
depending
on
the
instruction.
(Refer
to
the
section
below,
List
of
instruction
execution
times.)
Servicing
of
commands
input
from
peripheral
devices
such
as
programming
console,
graphic
programming
console,
etc.
1.1ms
The
scan
time
can
be
obtained
by
adding
1,
2,
3,
and
4
in
this
table.
An
adequately
short
period
of
a
scan
time
is
important
to
ensure
an
efficiently
2a
error-free
operation.
This
is
particularly
important
when
using
the
high-speed
timer,
which
malfunctions
if
the
scan
time
exceeds
10ms.

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Omron SYSMAC C Series Specifications

General IconGeneral
BrandOmron
ModelSYSMAC C Series
CategoryController
LanguageEnglish

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