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Adjusting Frequency Reference Using Pulse Train Inputs
The frequency reference can be adjusted when b1-01 (Reference Selection) is set to 4 (Pulse Train Input). Set
the pulse frequency in parameter H6-02 to 100% reference, and then adjust the gain and bias accordingly
using H6-03 and H6-04.
Related Parameters
Name
Param-
eter
Number
Display
Pulse train
input func-
0: Frequency reference
tion selec-
H6-01
1: PID feedback value
tion
2: PID target value
Pulse Input
Sel
Pulse train
input scal-
Set the number of pulses in
ing
H6-02
hertz, taking the reference to
be 100%.
Pulse In
Scaling
Pulse train
Set the input gain level as a
input gain
H6-03
percent when the pulse train
Pulse Input
set in H6-02 is input.
Gain
Pulse train
input bias
Set the input bias when the
H6-04
pulse train is 0.
Pulse Input
Bias
Pulse train
input filter
Set the pulse train input pri-
time
H6-05
mary delay filter time
parameter in seconds.
Pulse In Fil-
ter
The following diagram shows the method for adjusting the frequency reference using pulse inputs.
RP
Cycle
measurement
Pulse
Fig 6.33 Frequency Reference Adjustments Using Pulse Train Inputs
Setting
Description
Range
0 to 2
1000 to
32000
0.0 to
1000.0
-100.0
to
100.0
0.00 to
2.00
Gain and bias
Filter
H6-03
1
1+sT
H6-04
0
H6-05
Scaling using H6-02
Adjusting Frequency References
Control Methods
Change
Factory
during
V/f
Open
Setting
Opera-
V/f
with
Loop
tion
PG
Vector
0
No
A
A
1440
Yes
A
A
Hz
100.0%
Yes
A
A
0.0%
Yes
A
A
0.10 s
Yes
A
A
=0
=1
100
=2
H6-01
Regis-
Flux
ter
Vec-
tor
A
A
42CH
A
A
42DH
A
A
42EH
A
A
42FH
A
A
430H
Master speed
frequency
PID feedback
PID target value
6-
39
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