Specifications

App - 29
Appendix 7 Comparisons with Conventional Positioning Modules
Appendix 7.1 Comparisons with A1SD71S2 Model
The following shows comparisons with the conventional positioning module A1SD71S2
with the main focus on the QD75 specifications.
Model
Item
QD75P1
QD75D1
QD75P2
QD75D2
QD75P4
QD75D4
A1SD71S2
No. of control axes 1-axis 2-axis 4-axis 2-axis
No. of positioning data items 600/axis 400/axis
2-axis linear
interpolation
3-axis linear
interpolation
4-axis linear
interpolation
Interpolation
functions
2-axis circular
interpolation
Position control
Speed control
Speed-position
switching
control
Positioning
systems
Position-speed
switching
control
OPR function (6 types) (3 types)
JOG operation
Inching operation
Manual pulse generator function
Automatic
trapezoidal
acceleration
/deceleration
Acceleration
/deceleration
processing
S-curve
acceleration
/deceleration
Acceleration/deceleration time
Acceleration time and deceleration time setting
possible (4 patterns each)
Acceleration/deceleration time
same
Compensation Electronic gears, backlash compensation Backlash compensation
Error display Error LED Error LED
History data storage
(Start, error, warning)
Provided (3 types, 16 items/axis) None
Data storage destination
Flash ROM
(battery-less backup)
Buffer memory
(battery backup)
No. of I/O points 32 48
No. of module occupied slots 1 2
AD71TU
AD75TU
A6GPP,A6PHP
A7PHP,A7HGP
PC9800 series
Peripheral
devices
(data
setting,
etc.)
DOS/V personal
computer
: Possible, : Not possible