Mitsubishi MELSEC-A A1SD71-S2 User Manual page 30

3. SPECIFICATIONS
H t S E f 9 A
Positioning control mode
Start
Operation
M code
BUSY
M code ON
M code OFF
Fig. 3.9-1 AFTER Mode Signal Timing
Speed/Positioning control switching mode
Start
Operation
Dwell
I \ I I
I
I I I I
I I I I
M code
I W
I I
I
I
1
I
I
I
BUSY
1
M code ON
M code OFF
Control switching
signal
Fig. 3.9-2 AFTER Mode Signal Timing
POINTS
I
9
The
"M
code
ON"
signal is
not given if the M code data in the
positioning data is set at 0.
9
The M code is ignored
if
the positioning pattern
is
"1 1"
and the "M
code
ON"
signal is not given. (For details of the positioning pattern,
refer to Section 3.4.3.)
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 (Y2D) is OFF; or
3. zero return, positioning, jog operation, or inching mode is selected
The M code ON signal does not turn ON during positioning in the
speed control mode.
in the peripheral device or the AD71TU test mode.
3 -
19