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2.13
PROGRAM SUPPORT FUNCTIONS (Cont'd)
NOTE
O
When
a
canned
cycle
is executed
by
turning thesingle-block
switch
on.
the tool
temporarily
stops
at
the
following
halfway points,
and the feed hold
lamp lights.
(a)
After
positioning
to (X.
Y)
point
tb)
After positioning
to
R-point
(c)
After termination of each
cycle
if L command
given
The
single-block
stop
at
completion of
a
canned cycle
works as
usual,
and the feed
hold
lamp
does
not light.
©
Before
entering
the
canned
cycle mode,
be sure
to
command
R
and
Z
to newly
define
R-point
and
Z-point. R-point and Z-point are erased when the canned cycle is
canceled.
© If
a
canned
cycle is
executed after
changing
address
data, any
of the
following
address
commands
must
be
given
in that
block; otherwise,
the canned cycle will
not
be
executed.
]
command
©
When M.
S, T,or
-a
B code is commanded
in
a
canned
cycle block.
M. S. T
or
•!ÿ
B
is
sent
out
when the first
positioning
is accomplished. This applies
even
when
an
L-time
command
is
given.
M.
S,
T and
v
B
must
generally be
commanded
independent of
other codes.
O
If
any
of the
following
codes is commanded
during the canned cycle
mode,
alarm
''170" results.
[
X, Y,Z.
a. P.
R
C codes
in
group
*
except
G04. G70. G71. G72
•
G
codes
in
group
07
(G41. G42j
Therefore,
if
G92,
G27.
or G28
is
to
be
commanded,
the canned
cycle
must
always
be canceled before that command.
©
An
independent
dwell
(G(M)
block
can
be inserted in themiddle of the canned
cycle
mode. The dwell
is executed
correctly.
©
If a canned
cycle
is commanded in the tool radius
compensaiion-C <G41,C.42lmode,
alarm
"182" results.
O Before a canned
cycle can
be
entered, spindle
forward rotation
or reverse
rotation
(M03
or
M04)
must
always be
started
by
automatic
operation
command. Do
not
enter
a canned
cycle by switching
between
spindle
forward
rotation and
reverse
rotation
by manual operation.
©
Calling subprogram
(M98)
in the canned cycle mode
a subprogram
can be called
up by commanding
[
M98 P-
L
. . . . . .
. :
|
in the canned cycle mode.
The
canned
cycle
can be continuously executed by thecalled
subprogram.
In this
case,
although
the valucof
P-specification
(dwell time)
in
thccanncd cycle is temporarily destroyed
by P-specification
(program
No.
at
jump
destination)
in the M98
command,
the
original
value is
automatically
restored after control jumps
to
the
subprogram.
Limits
on
maximum
quadruple
levels for M98, command from
punched
tape.
etc.
are the same as
in
cases other than the
canned
cycle mode.
TO
command canned
cycle and M98 in
the same block
causes an alarm.
-
190
-
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