6
-24
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
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
H3-01
Terminal A1
Signal Level
Selection
Sets the signal level of terminal
A1.
0: 0 to 10Vdc
1: -10 to +10Vdc
[11-bit plus polarity sign]
0 or 1
0
No
A
A
A
A
A
Term A1 Lvl
Sel
H3-02
Terminal A1
Gain Setting
Sets the output level when 10V
is input, as a percentage of the
maximum output frequency
(E1-04).
0.0
to
1000.0
100.0%
Yes
A
A
A
A
A
Terminal A1
Gain
H3-03
Terminal A1
Bias Setting
Sets the output level when 0V is
input, as a percentage of the
maximum output frequency
(E1-04).
-100.0
to
100.0
0.0%
Yes
A
A
A
A
A
Terminal A1
Bias
H3-04
Terminal A3
Signal Level
Selection
Sets the signal level of terminal
A3.
0: 0 to 10Vdc
1: -10 to +10Vdc
0 or 1
0
No
A
A
A
A
A
Term A3 Signal
H3-05
Terminal A3
Function
Selection
[Refer to table "H3-05, H3-09
Settings" for multi-function
selections]
0 to 1F
2
No
A
A
A
A
A
Terminal A3
Sel
H3-06
Terminal A3
Gain Setting
Sets the output level when 10V is
input.
0.0
to
1000.0
100.0%
Yes
A
A
A
A
A
Terminal A3
Gain
H3-07
Terminal A3
Bias Setting
Sets the frequency reference
when 0V is input.
-100.0
to
100.0
0.0%
Yes
A
A
A
A
A
Terminal A3
Bias
