Chapter 4
Operation
- 75 -
(1)Input/Output
(1)Input/Output
(1)Input/Output
(1)Input/Output Signal
Signal
Signal
Signal Timing
Timing
Timing
Timing Example
Example
Example
Example
Note: 1. The interval from the time the servo ON signal is turned ON until a reference pulse
is input must be at least 40 ms, otherwise the reference pulse may not be recevied by
the servodrive.
2. The error counter clear signal must be ON for at least 20μs.
Reference
Reference
Reference
Reference Pulse
Pulse
Pulse
Pulse Input
Input
Input
Input Signal
Signal
Signal
Signal Timing
Timing
Timing
Timing
Reference
Reference
Reference
Reference pulse
pulse
pulse
pulse signal
signal
signal
signal form
form
form
form
Electrical
Electrical
Electrical
Electrical specifications
specifications
specifications
specifications
Remarks
Remarks
Remarks
Remarks
Sign+pulse train input
(SIGN+PULS signal)
Maximum reference frequency
：
500kpps
(For open-collector output
：
200kpps)
t1
，
t2≤0.1μs
t3
，
t7≤0.1μs
t4
，
t5
，
t6>3μs
τ≥1.0μs
(τ /T)×100 ≤ 5 0 %
S I G N
PU LS
t1
t2
t3
t4
τ
T
For war d r ef er ence
Rever se r ef er ence
t5
t6
t7
SIGN
H=for ward
reference
L=reverse
reference
CW pulse+CCW pulse Maximum
reference frequency:500kpps
(For open-collector output
：
200kpps)
t1
C C W
C W
t2
T
t3
τ
For war d r ef er ence
Rever se r ef er ence
t1
，
t 2≤0.1μs
t3>3μs
τ≥1.0μs
(τ /T)×100 ≤ 5 0 %
Two-phase pulse train with 90°
phase differential
(phase A +B)
Maximum reference frequency
：
×1 input pulse multiplier
：
500kpps
×2 input pulse multiplier
：
400kpps
×4 input pulse multiplier
：
200kpps
R everse reference
Phase B lags B by
9 0 º.
Forw ard reference
Phase B leads A by
9 0 º.
t1
t2
P has e A
P has e B
T
τ
t1
，
t 2≤0. 1μs
τ
≥1.0μs
(
τ
/ T)×100 = 5 0 %
A parameter
Pn004.2 can be
used to switch of
the input pulse
multiplier mode.
S e rv o O N
Baseblock
O N
Re le a se
t 2
t1=3 0 m s
t 2=6m s
(W hen Pn 5 0 6 is set to 0 )
t3=4 0 m s
t1
S ign + Pulse train
C N 1-3 2
C N 1-3 0
H
t3
H
L
H
H
L
L
Encoder pulse
P A O
P B O
/ C O I N
C L R
t4
t5
t7
t6
t 4
，
t5
，
t 6=2m s
t 7=2 0 µs
O N
O N
