Table of Contents
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Adjusting Frequency References
This section explains methods of adjusting frequency references.
Adjusting Analog Frequency References
Gain and bias are among the parameters used to adjust analog inputs.
Related Parameters
Parameter
Number
Terminal A1
Signal Level
Selection
H3-01
Term A1 Lvl
Sel
Terminal A1
Gain Setting
H3-02
Terminal A1
Gain
Terminal A1
Bias Setting
H3-03
Terminal A1
Bias
Terminal A3
Signal Level
H3-04
Selection
Term A3 Signal
Terminal A3
Function
Selection
H3-05
Terminal A3
Sel
Terminal A3
Gain Setting
H3-06
Terminal A3
Gain
Terminal A3
Bias Setting
H3-07
Terminal A3
Bias
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Name
Description
Display
Sets the signal level of terminal
A1.
0: 0 to 10Vdc
1: -10 to +10Vdc
[11-bit plus polarity sign]
Sets the output level when 10V
is input, as a percentage of the
maximum output frequency
(E1-04).
Sets the output level when 0V is
input, as a percentage of the
maximum output frequency
(E1-04).
Sets the signal level of terminal
A3.
0: 0 to 10Vdc
1: -10 to +10Vdc
[Refer to table "H3-05, H3-09
Settings" for multi-function
selections]
Sets the output level when 10V is
input.
Sets the frequency reference
when 0V is input.
Change
Setting
Factory
during
Range
Setting
V/f
Operation
0 or 1
0
No
A
0.0
to
100.0%
Yes
A
1000.0
-100.0
to
0.0%
Yes
A
100.0
0 or 1
0
No
A
0 to 1F
2
No
A
0.0
to
100.0%
Yes
A
1000.0
-100.0
to
0.0%
Yes
A
100.0
Control Methods
Open
Open
V/f
Loop
Flux
Loop
with
Vector
Vector
Vector
PG
1
2
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
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Troubleshooting
