Yaskawa G7 Drive - Manual (Page 241)

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