5.3 Description of Function Codes 5.3.10 U codes (Customizable logic operation)
Motor 2
(Slip compensation gain for
braking)
Motor 1
(Slip compensation gain for
driving)
Anti-regenerative control
(Operation level)
Speed control 2 (Speed
command filter)
Motor 1 (Slip compensation
response time)
Forced operation (Fire Mode)
(Set frequency)
Speed control 2 (Speed
detection filter)
Motor 1
(Slip compensation gain for
braking)
Forced operation (Fire Mode)
(Wait time)
Speed control 2 (P (Gain))
Motor 1 (Synchronous motors
- current command value
when starting)
For special adjustment
(Torque limiting)
Speed control 2 (I (Integral
time))
Motor 1 (Synchronous motor
control switching level)
For special adjustment
(Torque limiting)
Speed control 2 (FF gain)
Curve
acceleration/deceleration
For special adjustment
(Torque limiting)
Speed control 2 (Output filter)
Rotation direction restriction
For special adjustment (Anti-
regenerative control)
Speed control 2
(Notch filter resonance
frequency)
Starting characteristic (Auto
search mode)
For special adjustment (Anti-
regenerative control)
Speed control 2 (Notch filter
attenuation level)
For special adjustment (Anti-
regenerative control)
Speed control 2 (Notch filter
width)
Restart mode after
momentary power failure
(Wait time)
For special adjustment
(Current limiting)
Speed display coefficient 2
Restart after momentary
power failure (Frequency
lowering rate)
For special adjustment
(Current limiting)
Constant rate of feeding
coefficient 2/Speed display
auxiliary coefficient 2
Restart after momentary
power failure
(Continue to run level)
Speed control (Jogging)
FF (Gain)
Starting frequency 2 (Holding
time)
Thermistor (for motor)
(Operation level)
Stop frequency 2 (Detection
method)
Non-linear V/f 1 (Frequency)
Stop frequency 2 (Holding
time)
Non-linear V/f 1 (Voltage)
Torque bias (Mechanical loss
compensation)
Thermistor (motor 2)
(Operation level)
Non-linear V/f 2 (Frequency)
Torque bias (Startup timer)
Non-linear V/f 2 (Voltage)
Torque bias (Shutdown timer)
DC braking 3 (Starting
frequency)
Deceleration time for forced
stop
DC braking 3 (Braking level)
No. 1 S-curve range when
accelerating (When starting)
Magnetic flux level at light
load
DC braking 3 (Braking time)
No. 2 S-curve range when
accelerating (When finished)
Brake signal (Check-timer for
brake operation)
No. 1 S-curve range when
decelerating (When starting)
DC braking (Braking timer at
startup)
No. 2 S-curve range when
decelerating (When finished)
Reserved for particular
manufacturers
Motor 3
(Slip compensation gain for
driving)
Low limiter (Operation
selection)
Motor 3
(Slip compensation response
time)
Non-linear V/f 3 (Frequency)
DC braking 2 (Starting
frequency)
Motor 3
(Slip compensation gain for
braking)
Non-linear V/f 3 (Voltage)
DC braking 2 (Braking level)
Speed control 3 (Speed
command filter)
Deceleration characteristic
(Forced brake)
DC braking 2 (Braking time)
Speed control 3 (Speed
detection filter)
Pre-excitation (Initial level)
Speed control 3 (P (Gain))
Speed control 3(I (Integral
time))
Current input wire break
detection
Motor 2
(Slip compensation gain for
driving)
Speed control 3 (FF gain)
Motor 2 (Slip compensation
response time)
Speed control 3 (Output filter)