YASKAWA SGLFW User Manual page 320

(2) Reference Pulse Input Signal Timing
The reference pulse input signal timing is shown below.
Reference Pulse Signal Form
Sign and pulse train input
(SIGN and PULS signal)
Maximum reference frequency:
500 kpps
(For open-collector output: 200 kpps)
CW pulse and CCW pulse
Maximum reference frequency:
500 kpps
(For open-collector output: 200 kpps)
Two-phase pulse train with 90°
phase differential (phase A and
phase B)
Maximum reference frequency
×1 input pulse multiplier: 500 kpps
×2 input pulse multiplier: 400 kpps
×4 input pulse multiplier: 200 kpps
Table 9.1 Reference Pulse Input Signal Timing
Electrical Specifications
t1 t2
SIGN
t3
PULS
t4
τ
t5
T
Forward
reference
t1
T
CCW
τ
t2
CW
t3
Forward
reference
t1 t2
Phase A
Phase B
τ
T
Forward reference
Phase B leads
phase A by 90 °
9.8 Operating Using Position Control
≤
t1，t2 0.1 ms
≤
t7 t3，t7 0.1 ms
t4，t5，t6 ＞ 3 µs
t6
τ ≥
1.0 µs
Reverse
τ ≤
( /T) × 100
reference
≤
0.1 µs
t1，t2
t3 ＞ 3 µs
τ ≥
1.0 µs
τ ≤
/T) × 100
(
Reverse
reference
≤
0.1 µs
t1，t2
τ ≥
1.0 µs
τ
/T) × 100 = 50%
(
Reverse reference
Phase B lags
phase A by 90 °
Remarks
Sign (SIGN)
H = Forward
reference
L = Reverse
reference
50%
−
50%
Switching of
the input pulse
multiplier
mode is done
with parameter
Pn200.0 set-
ting.
9
9-53