User`s manual

App - 13 App - 13
MELSEC-Q
APPENDIX
Appendix 8 Comparisons with type QD75 positioning module
Model
Item
QD70P4 QD70P8
QD75P1
QD75D1
QD75P2
QD75D2
QD75P4
QD75D4
Number of control axes 4 axes 8 axes 1 axis 2 axes 4 axes
Control unit pulse mm, inch, degree, pulse
Number of positioning data
10 /axis
1
600 /axis
1
2-axes linear interpolation
3-axes linear interpolation
4-axes linear interpolation
Position
control
interpolation
function
2-axes circular interpolation
ABS system
INC system
Position
control
Fixed-feed
1 axis
2-axes linear
interpolation
3-axes linear
interpolation
Speed
control
4-axes linear
interpolation
Speed-position switching control
Position-speed switching control
Positioning
control
method
Current value changing
Positioning control range
<ABS system>
-2147483648 to 2147483647pulse
<INC system>
-2147483648 to 2147483647pulse
<Speed-position switching control>
0 to 2147483647pulse (INC
system)
<ABS system>
-214748364.8 to 214748364.7
µ
m
-21474.83648 to 21474.83647inch
0 to 359.99999degree
-2147483648 to 2147483647pulse
<INC system (Fixed-feed)>
-214748364.8 to 214748364.7
µ
m
-21474.83648 to 21474.83647inch
-21474.83648 to 21474.83647degree
-2147483648 to 2147483647pulse
<Speed-position, position-speed switching
control>
0 to 214748364.7
µ
m
0 to 21474.83647inch
0 to 21474.83647degree
/0 to 359.99999degree
2
0 to 2147483647pulse
Speed command range 1 to 200000pulse/s
0.01 to 20000000.00mm/min
0.001 to 2000000.000inch/min
0.001 to 2000000.000degree/min
1 to 1000000pulse/s
High-level positioning control No
Block start, condition start, wait start,
simultaneous start, repeat start
Machine OPR control function (6 types) (6 types)
JOG operation
Inching operation
Manual pulse generator function No 1 pc./module
Automatic trapezoidal
acceleration/deceleration
Acceleration/
deceleration
processing
S-pattern
acceleration/deceleration
Acceleration/deceleration time
Acceleration time and deceleration
time can be set.
(0 to 32767ms)
Acceleration time and deceleration time can be
set.
(1 to 8388608ms)