Fuji Electric FRENIC-Ace series - Modification of Motor Control Function Code Data

4.9 Running the Inverter for Motor Operation Check
4-28
4.9.3 Modification of motor control function code data
Modifying the current function code data sometimes can solve an insufficient torque or overcurrent or overvoltage
incident. Table 4.9-1 lists the major function codes to be accessed. For details, see Chapter 5 “FUNCTION CODES”
and Chapter 6 “TROUBLESHOOTING.”
Table 4.9-1
Function
code
Name Modification key points
Drive control
IM
V/f
IM
PG
V/f
IM
w/
PG
f 07 Acceleration time 1
If the current limiter is activated due to a short
acceleration time and large drive current, prolong
the acceleration time.
Y Y Y
f 08 Deceleration time 1
If an overvoltage trip occurs due to a short
deceleration time, prolong the deceleration time.
Y Y Y
f 09 * Torque boost 1
If the starting motor torque is deficient under V/f
control mode, increase the torque boost.
If the motor with no load is overexcited (current
increasing), decrease the torque boost.
Y Y N
f 44
Current limiter
(Mode selection)
If the stall prevention function is activated by the
current limiter during acceleration or deceleration,
increase the operation level.
Y Y N
p 07 * Motor 1 ( %R1)
If the starting motor torque is insufficient under
automatic torque boost and torque vector control,
increase %R1. If the motor with no load is
over-excited (current increasing), decrease %R1.
Y Y Y
p 09 *
Motor 1
(Slip compensation gain
for driving)
For excessive slip compensation during driving,
decrease the gain; for insufficient one, increase the
gain.
Y N Y
p 11 *
Motor 1
(Slip compensation gain
for braking)
For excessive slip compensation during braking,
decrease the gain; for insufficient one, increase the
gain.
Y N N
h 07
Curve acceleration/
deceleration
If overshoot to the change in speed command is
large, make curve acceleration/deceleration speed
effective.
Y Y Y
h 69
Anti-regenerative control
(Mode selection)
If overvoltage trip occurs when executing
acceleration/deceleration without using the braking
resistor, prevent overvoltage trip by making
anti-regenerative control effective.
Y Y Y
h 80 *
Output current
fluctuation damping gain
for motor 1
It is not necessary to change the setting normally.
If the current vibrates by the stall prevention function
due to current limitation or the high speed motor is
driven, decrease the suppression gain.
Even though the stall prevention does not function, if
the motor vibrates due to current fluctuation,
increase the suppression gain.
Y Y N
Y: Modification effective N: Modification ineffective