YASKAWA YASNAC 3000G

2.8
SPINDLE-SPEED
FUNCTION(S-FUNCTION)
•
When
S
command is
given
in
a
block
together
with
M03
(spindle
forward
running)
or
the
M04
(reverse
running),
the control
proceeds
to
the
next
block
after
the
spindle
speed
reaches
the
speed
given
by
the
S
code.
For
details,
refer
to
the
machine
tool
builder's
manual.
2.8.1
S
2-DIGIT
COMMAND
r
t
The
spindle
speed
is
specified
by
two
digits
fol¬
lowing
the
address
S
(S00
to
S99).
For
each
S
code
and
its
corresponding
spindle
speed
(rpm),
refer
to
the machine
tool
builder's
manual.
When
a
move
command
and
an
S
code
are
issued
in
a
block,
whether
the'S
command
is
executed
together
with
the
move
command
or
after
the
completion
of
tool
move
depends
on
the
machine
tool
builder.
Refer
to
the machine
tool
builder's
manual.
EXAMPLE
S1000
M03
*
s
1000
rpm
i
I
I
.CTUAL
SPINDLE
SPEED
I
l,...
EXAMPLE
START
—
i
t
GOO
Sll
M03
*
..
.
S
command
COMPLETION
OF
M
COMMAND
Spindle
CW
X
-
•
-
Y-
••
Z
-
•
•
#ÿ
START
OF
THE
BLOCK
Sll:
Effective
GO
1
Z-
•
-
F-
•
•
*
Fig.
2.8.2
GOO
X-
•
•
Y-
•
Z
-
•
-
M05
*
. .
Spindle
stop
•
S
commands
are
modal.
Although
the
spindle
stops
at
the
M05
command,
the
S
command
is
retained.
Therefore,
when
M03
(or
M04)
is
given,
the
spindle
runs
according
to
the
S
com¬
mand.
-
M03
*
Sll: Effective
X-
•
•
Y--
Z-.-
*
GO!
Z-
-
-
F-
•
*
•
When
S
command
is
changed
after
the
spindle
start
by
M03
or
M04,
S
command
should
be
given
within
the
range
of
spindle
speed
(High
or
Low)
selected.
S22
*
X
.
.
.
.
Y
-
. .
F.
•
-
S22:
Effective
NOTES:
NOTE:
The
two-digit
BCD
output
is
sent to
the
machine
when
S
and
two-digit
command is
issued.
For the
timing
of
output
and
the
finish-
answer¬
back
signal
(FIN),
refer
to
the
APPENDIX
1
.
The
lower
limit
of
the
spindle
speed
depends
on
the
spindle
drive.
If
a
speed
lower
than
the
manufacturer's
specification
is
given,
the
ma¬
chine
will
stop.
builder's
manual
for
the
low-speed
limit.
Negative
S
commands
must not
be
programmed.
•
When
S
and
4
digits
are
given
for
spindle
speed,
the
output
for
the
spindle
drive
is
given
in
one
of
the
two
following
ways.
12
Bits
binary
non-
contact
output
Analog
D/A
converter
output
(tiO
V
Max.)
i
Refer
to
the
machine
tool
2.8.2
S
4-DIGIT+
COMMAND
•
Four
digits
following
S
(Si
II IT
II I
)
are
used
to
specify
the
spindle
speed
in
rpm.
The
S
command
becomes
effective
when
the
in¬
put
signal
of
S
command
completion
(SFIN)
is
turned
on
after
given.
For
details
of
timing,
etc.
,
refer
to
APPENDIX
1
S
4-digit
command.
16
-