Solartron 1260 - Page 95

n
55
7
A
PLOT
TYPES
The
ability to
assign
any display
item
to
any plot
axis
allows
a
wide
variety
of plot
types to be set
up.
A Bode
plot, for
example,
is
obtained with
the settings
DISPLAY
[COORDINATES]:
[r(dB),
0]
PLOTTER
X-AXIS:
[variable]
PLOTTER
Y-AXIS:
[pari]
This gives
a Bode plot
of
amplitude
r(dB)
against frequency.
If ITEM
is set
to [par
2]
in
the plotter
Y-axis
overlay menu
an overlaid
plot
of phase
angle 0
against
frequency
is
obtained
also.
For the
same data,
a Nyquist
plot
can be obtained with
the
settings
DISPLAY
[COORDINATES]:
[a
f
b]
PLOTTER
X-AXIS
:
[pari]
PLOTTER
Y-AXIS:
[par
2]
Examples
of typical
Bode and
Nyquist
plots are shown
in Fig.
5.12.
a)
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Fig. 5. 12
Plot examples:
a) Bode
plot
,
b)
Nyquist
plot.
5.26
JWS/1260/1