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4.1.7
HOME KEYS
4.1.
9
TAPE FEED AND SYSTEM NO. SWITCHES
The
HOME key
is
used
to
set
the
current position
of the machine tool
as
the roigin
of
the reference
coordinate system.
The
origin
setting can
be
made for each
axis.
The reference coordinate
system
means
the coordinate
system
which is
set
by G92
command or the automatic
coordinate
system setting.
HOME
key
is
used for the following
operation.
•
Reset of
current
position (UNIVERSAL, EXTER¬
NAL)
•
Reset
of
tool
offset values
•
Reset
of operation
time
These switches
are
mounted above the tape
reader.
TAPE FEED
switch
This
is
a
switch
to
wind
and
rewind
the
tape
manually
Setting the
switch
to F (forward)
causes
the
tape
to feed.
To
rewind the tape.
set
the switch
to R (reverse).
This switch
is
effective, either
manually
or
automatically
O
-\0
0
bYsTLM
l
PARAMETER
TAPE
FEED
2
E
3
LOAD
4
TEST
M)l
4.1.
8
RESET KEY
O
O
This key
resets
the control.
O
O
O
0
ADDRESS
BBSS
0000
o
o
I
Fig. 4.9
RESET Key
O
O
Operations
to be
executed
by
this
RESET
key
are:
•
Move command cancel
•
Buffer
register clear
code release if the
cause
is
eliminated
Tool offset cancel
•
Auxiliary
function cancel
Label skip
function ON
Memory pointer rewind
•
Sequence number
reset
•
RST
signal transmission
•
G
code of
A
group
Refer
to
2.9.1
LIST OF G CODES AND GROUPS
in
YASNAC MX 2 OPERATOR'S MANUAL (TOE-
C843-8.30).
The following
will not'be affected by
operating
the
RESET
key.
Current position values of each
axis.
•
F
commands
•
S, T
and
B
commands
Tool
offset
values, setting
data, parameter data
Fig. 4.10
•
SYSTEM NO. switch
Set
the
switch
at
"0" during the
usual opera¬
tion. Functions of
its
each setting
are as
follows.
"0".
SYSTEM
For
usual operation.
Writing parameters
is
prevented
.
II
J
II
.
To write parameters
At
this
position, the
Cycle
Start
is
prevented.
PARAMETER
u
311
.
To store the maintenance
tape into the control.
LOAD
"4":
TEST (0)
The usual operation
is
similar
to case
of "0"
SYSTEM.
tents
and checking of reference
zero
return
position
are
omitted.
Self-diagnostics of the
memory
con-
NOTE:
mote reset
pushbutton
is
defined
as
"Reset op¬
eration"
m this manual.
Depressing the RESET
key
or
the
re-
—
7
—
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