YASKAWA CIMR-ZU A Series Programming Manual page 97

Settin Fre uency Bias
The input value of an analog input set to this function will be added to the analog frequency reference value. When the frequency
reference is supplied by a different source other than the analog inputs, this function will have no effect. Use this setting also
when only one of the analog inputs is used to supply the frequency reference.
By default, analog inputs A1 and A2 are set for this function. Simultaneously using A1 and A2 increases the frequency reference
by the total of all inputs.
Example: If the analog frequency reference from analog input terminal A1 is 50% and a bias of 20% is applied by analog input
terminal A2, the resulting frequency reference will be 70% of the maximum output frequency.
Settin 1 Fre uency Gain
The input value of an analog input set to this function will be multiplied with the analog frequency reference value.
Example: If the analog frequency reference from analog input terminal A1 is 80% and a gain of 50% is applied from analog
input terminal A2, the resulting frequency reference will be 40% of the maximum output frequency.
Settin 2 Au iliary e erence 1
Sets the auxiliary frequency reference 1 when multi-step speed operation is selected.
for details.
page 58
Settin Au iliary e erence 2
Sets the auxiliary frequency reference 2 when multi-step speed operation is selected.
for details.
page 58
Settin Output olta e Bias
Voltage bias boosts the output voltage of the V/f curve as a percentage of the maximum output voltage (E1-05). Available
only when using V/f Control.
Settin Accel/Decel ime Gain
Adjusts the gain level for the acceleration and deceleration times set to parameters C1-01 through C1-08.
The drive acceleration time is calculated by multiplying the gain level to C1-
C1- × Accel/decel time gain = Drive accel/decel time
Settin DC In ection Bra in Current
The current level used for DC Injection Braking is set as a percentage of the drive rated current.
100%
50%
20%
10%
0 5 V 10 V
1V 2V
Fi ure 1 2 Accel/Decel ime Gain
DC Injection Braking Current Level
Drive Rated
Fi ure 1 DC In ection Bra in Current Usin an Analo Input erminal
Acceleration/deceleration gain from 1 to 10 V
(10 V)
 10 (%)
=
Input Voltage (V)
it Analo Input erminal
100%
Current
0 10 V
(4) (20 mA)
1 7 erminal Functions
Refer to Multi-Step Speed Selection on
Refer to Multi-Step Speed Selection on
as follows:
1
7