Speed Control Program - Mitsubishi MELSEC-A A1SD71-S2 User Manual

6. PROGRAMMING
M4ELSEC-A
6.3.5
Speed
control
program
(2)
Conditions
(1)
Flow
chart
Switch OFF the PC ready
signal (Y2D).
Table 6.4
Start
Conditions
Signal
State
External
ON Drive unit READY
signals
OFF
Stop signal STOP
Remarks
AlSD71 ready signal (X1 1)
OFF Relative axis BUSY signals (X14, X15)
ON
I
Relative axis positioning commenced
I
signals (X18. X19)
Interface
signals
Write parameter and zero
return data to the buffer
memory.
I
I
Relative axis M code ON signals
(X1 E. X1 F)
I
OFF
. .
I
Relative axis stop signals (Y25, Y26)
1
OFF
1
PC ready signal (Y2D)
I
ON
3thers
m i
the
Positioning data
Start data number
Within
setting
range.
If the positioning
speed is specified
higher than the speed
limit value, operations
are performed at the
speed limit value.
nals (Y20, Y21) to the
buffer memory.
Switch ON the PC ready
signal Y2D).
I
1
Neither axis should be BUSY after a BREAK signal has been received
from the peripheral device or after a STOP signal has been received
from the AD71 TU.
1
Write the start number to
the buffer memory.
I
In the peripheral device or AD71TU test mode, X11, X18, X19, XlE, X1F and
Y2D should not be checked.
(3) Timing
Switch ON the positioning
start signals
(Y20, Y21, and Y 22).
I
I
I
I
I
Speed
I
I
: j
j I
PC ready signal (Y2D)
A
I
t i
AlSD71 ready signal (X1 1)
Stop signal (Y25)
1
;
I
I
I
I
I
start signals
(Y20, Y21, and Y22).
I
I
X-axis start signal (Y20)
X-axis BUSY signal
(Xis)
X-axis positioning
commenced (X18)
(Y25, Y26)
1
Complete
6 - 2 6