Chapter14 Analog Output Module (XBF-DV04C/XBF-DC04C)
14.6.2 Interpolation method setting
1) Functions
The output signal of module is used in order to execute interpolation output depending on set
interpolation time. When the voltage and current is outputted, it can be used to prevent
transient response of load system as a suddenly changed output.
2) Interpolation method setting
Interpolation method can set the one among interpolation prohibition, linear interpolation
S-type interpolation.
(1) Interpolation prohibition : It doesn't execute interpolation operation.
And it outputs digital input value intactly.
(2) Linear interpolation : The output is changed up to objective value with linear during the
interpolation time.
Interpolation time
Analog output value
t / 4
t / 4
t / 4 t / 4
t
D / 4
D / 4
D / 2
D
Change of the output value
Reaching
a target value
(3) S-type interpolation : The output is changed up to objective value with S-type during the
interpolation time.
t / 4 t / 4
t / 4
t / 4
t
D / 8
D / 8
D / 2
D
Analog output value
Reaching
a target value
Change of the output value
Interpolation time
3) Interpolation time setting
The interpolation time can be set with the one among 10[ms], 100[ms], 1[s], 60[s].
The output is changed depending on interpolation method setting during the set
interpolation time.
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