Chapter 2
2-27
Standard Models and Specifications
Command Pulse Timing
The following wave forms are for positive logic. Conditions are the same for negative logic.
Command pulse
mode
Timing
Feed pulse and direc-
tion signal
Maximum input fre-
quency: 250 kpps
Reverse pulse and for-
ward pulse
Maximum input fre-
quency: 250 kpps
90
°
phase difference
signals
Maximum input fre-
quency:
×
1:
Line driver: 250 kpps
×
2:
Line driver: 250 kpps
×
4:
Line driver: 187.5 kpps
Direction signals
Feed pulses
Forward rotation command
Reverse rotation command
t1
≤
0.1
µ
s
t2 > 3.0
µ
s
τ ≥
2.0
µ
s
T
≥
4.0
µ
s
(
τ
/T)
×
100
≤
50 (%)
t1
t1
t2
t2
t2
t1
t1
T
τ
Reverse pulses
Forward pulses
Forward rotation command
Reverse rotation command
t1
≤
0.1
µ
s
t2 > 3.0
µ
s
τ
≥
2.0
µ
s
T
≥
4.0
µ
s
(
τ
/T)
×
100
≤
50 (%)
T
τ
t2
t1
t1
Phase A pulses
Phase B pulses
Forward rotation command
Reverse rotation command
t1
≤
0.1 ms
τ ≥
2.0 ms
T
≥
4.0 ms
(
τ
/T)
×
100
≤
50 (%)
t1
t1
T
τ
Summary of Contents for SMARTSTEP A Series
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