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(d)
Macro
programs require
extra
care
:
(
i
)
System
variables
.
•
Interface
I/O
signals
(#1000
to
#1032,
#1100
to
#1132}
All of the above
signals are
assumed
to
be 0.
consequently
the result
will be marred.
•
Clock
(#3001. #3002)
Clock
signals are read
and written normally, but the time
count
cannot
be
guaranteed
in restarted
processing.
•
Control of
single-block
stop,
wait for auxiliary function
completion
(#3003)
The
signal
is disregarded and specification of control becomes in¬
effective.
•
Control of feed
hold, feed
rate override,
exact
stop
(#3004)
The signal is
disregarded
and
specification
of control becomes in¬
effective.
•
Position data
(#5000
and
above)
Position data
are read
and
written normally,
but the actual data used
are generated in
the NC
system.
For the servo
position
deviation(#5101to#5105).0
is read.
(ii.) RS-232C data
output
2,(BPRNT,
DPRNT)
If processing
is restarted after the RS-232C
open command, an
alarm
occurs
at
the RS-232C
output
command.
(4)
Program
restart
related alarms
(a)
Alarms 411
to
415 "Reference
point
return not
completed'*
Restart
was requested
without
return
to
the reference
point
after
power
was
turned
ON.
(b)
Alarm 290
"Program
restart sequence
number
not
found"
The
specified
sequence
number in the
request
to start
could
not
be
found.
(C)
Alarm 291 "Coordinate
system
shifted after
program
restart"
After
searching,
a command that
changes
the coordinate
system
for
program
restart
was
entered.
(d)
Alarm 292 "Impossible
to start
the command when restarting
pro¬
gram"
Before
restarting
memory
operation, the
|=ÿ
E
CYCLE START
push-button
switch was
depressed
in the MDI or TAPE mode.
-
627
-
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