3.
SPECIFICATIONS
/MELSEC-A
0
AFTER
mode
The
"M
code
ON"
signal
is
given
after
the positioning operation
has finished. In this mode, if the operation
is
stopped before
it
is
complete the
"M
code
ON"
signal
is
not given.
I
Start
Pattern
01
Pattern
00
Operation
M
code
I,
I]
I
x
II
x
BUSY
"M
code
ON"
I
I1
11
if
I
"M
code
OFF"
I
I
Fig.
3.9
AFTER
Mode
Timing
POINT
I
0
The
"M
code
ON"
signal
is
not
given
if the
M
code
data
in
the
positioning data
is
set
at
0.
0
The
M
code
is
ignored if the positioning pattern
is
"11"
and the
"M
code
ON" signal
is
not given, (For details of
the
positioning pattern, refer to Section
3.4.3
(page
The next positioning operation
is
not started until
the
"M
code ON" signal
is
switched
off.
An error condition arises if the
"M
code
ON" signal
is
on
at
the rise of the
start
signal and positioning
is
not
started. The
"M
code
ON"
signal
is
turned
off
when:
1.
"M
code
OFF" signal changes from
OFF
to ON;
2.
PC
ready signal
(Y
1D)
is
off;
or
3.
Zeroing, positioning,
jog
operation, or inching mode
3-23)
.)
is
selected
in
the AGGPP
test
mode.
_.
3-1
6
I6
INAl
€6101-A