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'G
W S E C - A
6.3.10 Positioning
stop
The positioning process may be stopped while the AlSD71 is
busy
as follows:
Table 6.9 Stop Signals
I
I
I
Independent
I
I
Ilem
Valid
Operation
I
-Relevant
I
Other
Signal
operation
Inter-
polation
axis
axis
STOP signal from drive unit
ON
0
t
o
PC ready signal (Y2D) OFF*
0
t
o
Stop signal from PC (Y25, Y26)
ON
0
0
L
o
I
vice or STOP key input from AD71TU
1
1
1
1
I
BREAK key input from peripheral de-
0
indicates that the signal is valid.
*
:In peripheral device or AD71TU test mode, positioning is not stopped if Y1D is
ON
or
OFF.
(1)
Note on use of stop signal
(a) Deceleration is valid after stop signal is received
On receiving any of the stop commands
given in Table
6.9, the
system is decelerated to a stop. All emergency stops and limits must
be hard-wired.
I
Positioning speed
I
1
1
I
I
1
I
I
1
I
I
I
I
I
I
stop signal
b
(Y25,
Y26)
\
I
I
Start
signal
1
(Y20, Y21, Y22)
H y t a r t e d
Fig. 6.9 Stop Signal
6-38
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