YASKAWA YASNAC 3000G - Page 171

•
Precaution
Since
M-codes
shown
below
are
processed
internally
by
the
control,
these
BCD
and decoded
output
are
not
sent
to
the
machine,
I
M90
to
M99
2
.
S
CODE
*
S2-Digit
Command
S2-digit
BCD
output
signal
is
sent
to
the
machine
at
the
equal
timing
as
that
of
M-BCD
output
except
the
following
description.
Sending
of
the
BCD
signal
continues
until
a
new
S2-digit
command
is
given,
if
the
control
receives
FIN
signal.
even
1
4
S.\A
C
S
11
S
12
S
14
S
18
S2
DIGIT
BCD
OUTPUT
S
21
S2<
S
28
SF
OS
Fig.
1.5
•
S
4
-Dig
it
Command
f
Where
S4-digit
command
is
used,
12
bits
binary
non-contact
or
spindle
D/A
output
signal
is
sent to
the machine.
is
automatically
chanqed
is
described
below.
The
case
where
the
gear
ratio
Interface
and
parameters
Fig.
1.6
shows the
relation
between
S
command
output
and
spindle-
speed
ranges
selected
by
gear
ratio.
SPEED
RANGE
BY
GEAR
RATIO
3
a
.
SPEED
RANGE
SPEED
RANGE
BY
GEAR
RATIO
1
BY
GEAR
RATIO
2
4095
--
10V
JP
t
1
GR3
/
I
GR2
/
I
H
/
I
s
GR1
E
<
r>
o
i
<
2
CN
<—
'
*-H
dd
!
I
a
f
SPINDLE
SPEED
(rpm)
i
4*
i
0
-L
o
SM2
SS2
SM3
"
SS3
i
i
«
•
72Y
72X
73Y
73X
SK1
SS1
71Y
7
IX
_
PARAMETER
NO.
Fig.
1.6
164
-
•