5.1.19 DISPLAY LOCKIMACHINE LOCK SWITCH ( Cent’d )
“MACHINE
LOCK”
With the switch at MACHINE LOCK, axis move-
ment including Zero Return is inhibited. The
position display is updated. M-, S-, and T-
functions are executed.
This position is select-
ed to preset the display or to check the tape data.
OFF
/@l
DISPLAY
MACHINE
LOCK
e
LOCK
5.1.20 M-FUNCTION LOCK SWITCH
(AUXILIARY
FUNCTION LOCK)
(1)
(2)
a.
b.
(3)
(4)
When the M–FUNCTION LOCK switch is on,
it ignores the M,
S, and T commands. To
check the tape data, the operation by the
switch is used in combination with MACHINE
LOCK function.
M-FUNCTION
LOCK
O-FF
The following M codes are executed even if
the switch is set on.
MOO, MO1, M02, M30
Both its decoded signals and its BCD codes
are sent out to the machine.
M90 to M109 (Internal processing M code)
BCD code is not sent out.
Turning on the M-FUNCTION LOCK switch
during automatic operation becomes effec-
tive on the block after the next block of
the current block.
This switch does not affect S 4-digit pro-
gramming (option) .
5.1.21 MANUAL ABSOLUTE SWITCH
(1) When MANUAL ABSOLUTE switch is on.
When automatic operation is restarted after
interrupted by manual operation, the tool
performs the rest of the command in the
interrupted block from the end point of
manual operation.
The tool moves in paral-
lel with the path specified by the program.
When the command of the next block is GOO
or GO1, the tool moves automatically to the
coordinate specified by the program.
Then the operation is performed according
to block of data.
When the command of the next block is G02
or G 03 (circular interpolation) , the inter-
polation is performed in parallel with pro-
gram command.
The tool automatically re-
turns to the target coordinate when GOO or
GO1 is commanded after the interpolation.
REST OF
ACTUAL MOVEMENT
4
TRAVEL COMMAND
TAPE COMMAND
/’ TRAVEL TO TARGET
STOP
(FEED HOLD)
Fig. 5.2 Tool Movement with MANUAL
ABSOLUTE Switch On
(2) When MANUAL ABSOLUTE switch is off
After the automatic operation is interrupted
by manual operation, the coordinate system
is shifted.
Therefore the tool performs the
reset of the travel command and continues
OperatiOn in parallel with program command,
REST OF
ACTJAL MOVEMENT
TRAVEL cOMMAND / TAPE COMMAND
‘;::&@yfl=RGOICOAMA.D
/’
CIRGJLAR
“1..
TEMPORARY STOP
INTERPOLATION ‘-
(FEED HOLD)
MANUAL
ABSOLUTZ
@
oFF
Fig. 5.3 Tool Movement with MANUAL
ABSOLUTE Switch Off
5.1.22 EDIT LOCK SWITCH
When EDIT LOCK switch is ON,
the following
operations cannot work,
If operation is
made,
)!EDIT LOCKII blinks,
(1) ERASE, INSERT, AND ALTER keys
(2) Storing of NC tape
194