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3.5.1.27
Manual absolute switch
(MANUAL ABSOLUTE)
MAN UAL
LUTE
ABSOL
<§>
OFF
When the
tool
is moved in
the middle
of automatic
operation by
intervention of manual
operation, this
switch
specifies
how the
manually
moved
quantity
be handled when
operation
is restarted.
(1)
When ON
When
manually intervened,
the
program
coordinate
system
does
not
change
so that when automatic
operation
is restarted,
the
manually
moved
quantity
is canceled in time
and
the tool is returned
to
the
previous
locus before intervention occurrs.
Movement cancellation is
accomplished
when
position
in the GOO
or
G01 mode is executed.
If the block after
restart
is
a
circular interpolation
(e.g.,
G02
or
G03),
the machine
operates
while
maintaining parallel
movement
of locus
until the
GOO or
GOl-mode command is issued.
For blocks in which
execution
was
interrupted, the remaining
steps
are
executed while
parallel movement
is left intact
even
in the GOO
or
G01 mode.
E
ACTUAL
MOVEMENT
REMAININ':.
STEP
TAPE COMMAND
MANUAL
M
OPERATION
J'
j
CIRCULAR
OÿTEMPORARV
STOP
—
:D HOLD
I
1
CANCEL
"
OPERATION
COO
01
COI
I
FEE
Fig. 3.5.2 Manual Absolute Switch ON
By using
Pm4001 D7
It is
possible
to
determine whether
or not manual
absolute be turned
on in the
G91 mode.
]
0: Valid
1: Invalid
Note however
that
even
if G91 is
nullified
by
setting "1" to
this
parameter,
manual
absolute becomes valid when G90 is encountered
next.
-
575
-
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