YOKOGAWA FG420, User Manual

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139 IM FG410-01EN
7.5 Signal Characteristics
d) Transient response group
Waveform
Name
Waveform
Example
Description and Variable Parameters
Exponential
rise
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
First order LPF step response waveform
Time constant (0.01% to 100.00% of basic period)
Exponential
fall
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
First order HPF step response waveform
Time constant (0.01% to 100.00% of basic period)
Second order
LPF step
response
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
Second order LPF step response waveform
LPF natural frequency (1.00 to 50.00 times basic frequency)
LPF Q (0.50 to 50.00)
Damped
oscillation
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
Oscillation waveform with an amplitude that decreases exponentially
Oscillation frequency (0.01 to 50.00 times basic frequency)
Damping time constant (
-
100.00% to 100.00% of basic period)
Remark: In the case of a negative damping time constant, oscillation waveform
with an amplitude that increases exponentially
e
)
Surge group
Waveform
Name
Waveform
Example
Description and Variable Parameters
Oscillation
surge
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
Surge waveform with damped oscillation
Oscillation frequency (0.01 to 50.00 times basic frequency)
Damping time constant (0.01% to 100.00% of basic period)
Trailing time constant (0.01% to 100.00% of basic period)
Pulse surge
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
Pulsed surge waveform
Rising time (0.01% to 100.00% of basic period)
Duration time (0.01% to 100.00% of basic period)
Remark: The rising time represents the time from the 10% threshold to the 90%
threshold of the rising edge. The duration time represents the time
from the 10% threshold of the rising edge to the 10% threshold of the
next falling edge.
f) Other waveform group
Waveform
Name
Waveform
Example
Description and Variable Parameters
Trapezoid
with offset
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
Trapezoid waveform with offset in the amplitude direction
Leading delay (0.00% to 100.00% of basic period)
Rising-slope width (0.00% to 100.00% of basic period)
Upper base width (0.00% to 100.00% of basic period)
Falling-slope width (0.00% to 100.00% of basic period)
Offset (0.00% to 100.00%)
Half-sine
edge pulse
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
Pulse whose rise and fall are half-sine waveform
Leading edge time (0.00% to 100.00% of basic period)
Trailing edge time (0.00% to 100.00% of basic period)
Duty (0.00% to 100.00%
）
Bottom
referenced
ramp
1.5
1.0
0.5
0
－ 0.5
－ 1.0
－ 1.5
Ramp waveform with bottom level as reference
Symmetry (0.00% to 100.00%)