YASKAWA YASNAC 3000G

2.1.3
BUFFER
REGISTER
Function
Characters
Table
2
.
1
.
2
.
2
While
the
control
operates
with
the
data
in
active
register,
the
next
block
of
data
is
read
out
from
the
tape
and
stored
into
buffer
register.
the
tape
reading
operation
does
not
cause
loss
time
in
the
machining
operation.
Buffer
capacity
is
96
characters
including
EOB.
A
command
of
block
exceeding
96
characters
causes
errors
and the
alarm
code
"14"
is
dis¬
played.
The
following
characters
are
not
read
into
buffer
register
and
are
not
restricted
by
buff¬
er
capacity.
_
•
Disregarded
codes
(SPACE,
TAB,
ALL
MARK,
etc
.
)
•
Insignificant
data
from
the
start
to
the
first
EOB
at
the-
Label
Skip
state.
-
Control
Out,
Control
In
and codes
between
them.
NOTE:.
During
tool
radius
compensationÿ
,
two
or
three
blocks
are
read
ahead.
In
this
optional
case,
each
buffer
capacity
is the
same
as
the
above.
Meanings
••
ISO
EIA
*
Error
in
significant
data
area
in
EIA
Disregarded
in
ISO
Thus,
Blank
Nul
Disregarded
BS BS
Disregarded
Tab
HT
LF/N1.
End
of
block
CR
Disregarded'
CR
SPf
•
Disregarded
SP
Rewind
stop
%
ER
Disregarded
UC
Disregarded
LC-
Control
out
(
Control
in
)
Disregarded
+
+
Negative
sign
Numerals
0
to
9
0
to
9
2.1.4
TV
CHECK
(TAPE
VERTICAL
PARITY
CHECK)
Address
'characters
A
to
Z
a
to.z
Regarded
as
N
0
The
number
of
characters
in
one
block
must
be
even
in
TV
check.
SP
code is used
for
making
the
number
even
when
programming.
ON/OFF
switching
of
TV
check
is
set
with
param¬
eter.
A
block
containing
an
odd
number
of
char¬
acters
causes
error
and
the
alarm
code
"13"
is
displayed.
(Refer
to
4
.
3
.
15
TV
Check.
)
/
/
Optional
block
skip
Disregarded
(Including
All
Mark)
‘
Del
DEL
Notes:
l.
Characters
other than
the
above
cause
er¬
ror
in
significant
data
area.
2.
Information
between
Control
Out
and
Con-
In
is
ignored
as
insignificant
data.
3.
Tape
code
(EIA
or
ISO)
can
be
switched
by
parameter.
4.
Label
Skip
function:
After
switching
on
the
power
.supply,
or
after
making
RESET
op¬
eration,
Label
Skip
function
becomes
effec¬
tive,
and
LABEL
SKIP
lamp
on
the
NC
op¬
eration
panel
lights.
In
this
condition,
all
tape
information
is
ignored
before
the
first
EOB
code
is.
read.
When
an
EOB
codeus
read,
LABEL,
SKIP
lamp
goes
out
automat¬
ically,
and
a
significant
data
area
is
initi¬
ated.
2.1.5
OPTIONAL
BLOCK
SKIP
{"
/"
CODE)
A
block
with
"/"
before
the
address
N
for
se¬
quence
number
is
skipped
with
OPTIONAL
BLOCK
SKIP
switch
on.
"/"
after
the
address
N
is
read
into
buffer
register,
but is
ignored.
4