Yaskawa FSP Amplifier - Manual (Page 85)

FSP Amplifier User’s Manual Chapter 5: Parameter Settings and Functions
5-18
Example of I/O Signal Generation Timing
Note: 1. 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 40 ms.
2. The error counter clear signal must be ON for at least 20 μs.
Reference Pulse Input Signal Timing
Reference
Pulse Form
Electrical Specifications Remarks
Sign + pulse
train input
(SIGN +
PULS signal)
Maximum
reference
frequency:
500 kpps
(200 kpps
open-collector
output)
Sign
(SIGN)
H =
Forward
reference
L =
Reverse
reference
CW pulse and
CCW pulse
Maximum
reference
frequency:
500 kpps
(200 kpps
open-collector
output)
—
Two-phase
pulse train
with 90º
phase
differential (A
phase + B
phase)
Maximum
reference
frequency x1:
500 kpps
(200 kpps
open-collector
output)
x2: 400 kpps
x4: 200 kpps
Parameter
Pn200.0 is
used to
switch the
input pulse
multiplier
mode.