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Sigma II User's Manual
Example of I/O Signal Generation Timing
Servo ON
Baseblock
CN1-1
1
Sign+pulse
train
CN1-
7
PG pulse
Note: 1.
In order for the input pulse to register, the interval from the time the servo ON signal is turned
ON until a reference pulse is entered must be a minimum of 40ms.
2.
The error counter clear signal must be on for at least 20µs.
Reference Pulse Input Signal Timing
Reference Pulse Form
Sign + pulse train input
(SIGN + PULS signal)
Maximum reference fre-
quency: 500kpps
(200kpps open-collector
output)
CW pulse and CCW
pulse
Maximum reference fre-
quency: 500kpps
(200kpps open-collector
output)
Two–phase pulse train
with 90° ° phase differen-
tial (A phase + B phase)
Maximum reference fre-
×
quency
1: 500kpps
(200kpps open-collector
output)
×
2: 400kpps
×
4: 200kpps
Release
PAO
PBO
Electrical Specifications
t1
t2
SIGN
t3
PULS
t4
τ
T
Forward
reference
t1
T
τ
CCW
t2
CW
Forward
reference
t1
t2
A phase
B phase
τ
T
Forward
reference
B phase leads
A phase by 90°
Chapter 5: Parameter Settings and Functions
t6
t1, t2 ≤ 0.1µs
t3, t7 ≤ 0.1µs
t7
t4, t5, t6 > 3µs
τ ≥ 1.0µs
t5
t6
(τ/T) × 100 ≤ 50%
Reverse
reference
t1, t2 ≤ 0.1µs
t3 > 3µs
τ ≥ 1.0µs
(τ/T) × 100 ≤ 50%
t3
Reverse
reference
t1, t2 ≤ 0.1µs
τ ≥ 1.0µs
(τ/T) × 100 = 50%
Reverse
reference
B phase lags
A phase by 90°
5-20
t1 ≤ 30ms
t2 ≤ 6ms
(when parameter
Pn506 is set to 0)
t3 ≥ 40ms
t4, t5, t6 ≤ 2ms
t7 ≥ 20ms
Sign (SIGN)
H = Forward reference
L = Reverse reference
—
Parameter Pn200.0
is used to switch the
input pulse multiplier
mode.
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