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APPENDICES
A
Appendix 3 Comparison of the QD73A1 and the AD70/A1SD70
Appendix 3 Comparison of the QD73A1 and the
AD70/A1SD70
(1) Performance specification comparison
Item
Specifications
QD73A1 AD70 A1SD70
Number of occupied I/O points
48 points (I/O assignment: empty 16 points and
intelligent 32 points)
32 points (special 32
points)
48 points (I/O
assignment: empty 16
points and special 32
points)
Positioning
Speed command 1 to 4000000(pulse/s) 1 to 400000(pulse/s)
In-position range 1 to 20479pulse 1 to 2047pulse
Positioning
feedback
pulse input
Pulse frequency
Open collector: 200kpulse/s
TTL: 200kpulse/s
Differential output: 1Mpulse/s
Open collector: 100kpulse/s
TTL: 100kpulse/s
Differential output: 100kpulse/s
OPR control
With OPR address change
OPR method and OPR direction depend on the
parameter setting.
With OPR address change
OPR method and OPR direction depend on the
switch setting.
Internal current consumption 5VDC 0.52A 5VDC 0.3A
External supply voltage/current
terminal block
No external power supply +15VDC 0.2A, -15VDC, 0.02A
External dimensions 98(H)mm × 55.2(W)mm × 90(D)mm
250(H)mm × 37.5(W)mm
× 119(D)mm
130(H)mm × 69.5(W)mm
× 93.6(D)mm
Weight 0.20kg 0.5kg 0.4kg
Starting time
(from a start request to analog
output start)
Absolute system: 1.2ms (same for two-phase
trapezoidal positioning)
Incremental system: 1.2ms (same for two-phase
trapezoidal positioning)
JOG operation: 1.2ms
OPR (near-point dog method): 1.2ms
OPR (count method): 1.2ms
Absolute system: 4.4ms (additional 0.2ms for two-
phase trapezoidal positioning)
Incremental system: 4.5ms (additional 0.2ms for
two-phase trapezoidal positioning)
JOG operation: 4.3ms
OPR (near-point dog method): 4.4ms
OPR (count method): 5.1ms