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6. PROGRAMMING
6.3.6
Jog operation program
(1)
Flow chart
i--1
Jog operation
I
Switch off PC ready
signal
(Y2D).
I
buffer memory.
Switch on PC ready
Switch on PC ready
signal (Y2D).
I
1
Write jog speed to buffer
memory.
Turn on jog start signal
(Y27,
Y28,Y29,Y2A).
I
1
Turn off
jog
start signal.
(2)
Conditions
Table 6.3 Jog Operation Start Conditions
Signal
Stale
Remarks
signal
Stop signal STOP
AlSD71 ready (X11)
I
Relevant axis busy (X74, X15)
I
OFF
I
Relevant axis positioning
~~
Interface
I
signal
commenced (X18, X19)
OFF
"
(X1 E, X1 F)
Relevant axis M code ON
1
OFF
I
Relevant axis stop (Y25, Y26)
ON
PC ready (Y2D)
OFF
.
Starting
limit value, operation i s
speed
Jog speed
higher than the jog speed
bias
If jog speed specified is
or
performed at the jog
higher
speed limit value.
Others
-
Neither axis should
be
BUSY after a BREAK signal has been received
from the peripheral device and both axes have stopped.
Neither axis should be BUSY after a STOP signal has been received
from the AD71TU and both axes have stopped.
*In peripheral device or AD71TU test mode, X11, X18, X19, X l E , X1F and Y2D
~~
~
should not be checked.
(3)
Timing
Forward
Speed
{
I
Reverse
1 1
I 1
I I
I
I 1
I I
I
I 1
I
I 1
1
1
I
1 1
I
1 1
I
I
I
I
I
I
I
1
I
I
I
1
1
I
1
;
;
I
I
1
:
L
I
1
1
I
1 1
I
1
1
Positioning complete (X12)
I '
I
I
!
Stop (Y25)
1:
1 ;
I
I
1
1
1
1
1
1
(-
Forward jog (Y27)
3
1
@
1
1
Reverse jog (Y28)
I
Positioning commenced
I
(X1 8 )
I
BUSY (X14)
I
[YES
b
Complete
POINTS
I
(1)
During jog operation the upper and lower stroke
limits are
ignored.
(2) When backlash compensation has been specified, the mini-
mum movement allowed will be the backlash specified.
6 - 2 8
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