EN-28
5-2 Block-A parameters
No. Parameter Min.
Max.
Default
(Unit)
Function
Change is
possible during
operation.
A00 – Frequency setting
0 Local
frequency
setting
0.10
10.00
(Hz)
This is the frequency set from the operation
panel.
{
1 Jogging
frequency
0.10
Max.
fre-
quency
5.00
(Hz) This is the frequency setting for jogging.
{
A01 – Acceleration/deceleration time
0 Acceleration time – 1
0.1 6000.0
10.0
(s)
{
1 Deceleration time – 1
0.1 6000.0
20.0
(s)
The value can be displayed in units of 0.1
or 10 times as set on B10-5.
The time to reach the max. frequency or
max. speed from 0 is set.
{
A02 – Torque boost
0 Manual torque boost
selection
1.
2.
2. 1: Disable = 2: Enable
1 Automatic torque boost
selection
1.
2.
1. 1: Disable = 2: Enable
2 Manual torque boost
setting
0.00 20.00
Inverter
rating
(%)
Set the boost voltage at 0Hz.
This is automatically adjusted by the
automatic tuning.
{
3 Square reduction torque
setting
0.00 25.00 0.00
(%)
Set the reduced voltage at Base
frequency/2.
{
4 R1 drop compensation
gain
0.0 100.0 100.0
(%)
Set how much to compensate the voltage
drop caused by R1 measured with
automatic tuning.
{
5 Slip compensation gain
0.00
20.00
0.00
(%)
Set the motor’s rated slip.
This is automatically adjusted by the
automatic tuning.
{
6 Maximum torque boost
gain
0.00 50.00 0.00
(%)
This is automatically adjusted by the
automatic tuning. The optimum boost
amount for outputting the maximum torque
is set.
A03 – DC Brake
0 DC braking voltage
0.01
20.00
Inverter
rating
(%)
This is automatically adjusted by the
automatic tuning. When setting manually,
monitor the output voltage and change the
setting in increments of 1% or less.
{
1 DC braking time
0.0
20.0
2.0
(s) Set the time to apply the DC brakes.
{
2 DC braking current
0.
150.
50.
(%)
This is used instead of the DC brake
voltage in the vector mode and PM mode.
This is not adjusted with automatic tuning.
{
