Learning Advanced Features
5 Learning Advanced Features
This chapter describes the advanced features of the S100 inverter. Parameter groups and
codes are described based on 0.4-22kW models. For 30-75kW models, refer to 3.1.5
Control Menu on page 64. Check the reference page in the table to see the detailed
description for each of the advanced features.
Auxiliary frequency
operation
Use the main and auxiliary frequencies in the predefined
formulas to create various operating conditions. Auxiliary
frequency operation is ideal for Draw Operation* as this feature
enables fine-tuning of operation speeds.
Jog operation is a kind of a manual operation. The inverter
operates to a set of parameter settings predefined for Jog
operation, while the Jog command button is pressed.
Uses the upper and lower limit value switch output signals (i.e.
signals from a flow meter) as Acc/Dec commands to motors.
3-wire operation is used to latch an input signal. This
configuration is used to operate the inverter by a push button.
This safety feature allows the inverter’s operation only after a
signal is input to the multi-function terminal designated for the
safety operation mode. This feature is useful when extra care is
needed in operating the inverter using the multi-purpose
terminals.
Use this feature for the lift-type loads such as elevators, when
the torque needs to be maintained while the brakes are applied
or released.
This feature ensures that the motor rotates at a constant speed,
by compensating for the motor slip as a load increases.
PID control provides constant automated control of flow,
pressure, and temperature by adjusting the output frequency of
the inverter.
Used to automatically measure the motor control parameters to
optimize the inverter’s control mode performance.
Sensorless vector
control
An efficient mode to control magnetic flux and torque without
special sensors. Efficiency is achieved through the high torque
characteristics at low current when compared with the V/F
control mode.
Energy buffering
operation
Used to maintain the DC link voltage for as long as possible by
controlling the inverter output frequency during power
interruptions, thus to delay a low voltage fault trip.
Used to save energy by reducing the voltage supplied to
motors during low-load and no-load conditions.
Used to prevent fault trips when the inverter voltage is output
while the motor is idling or free-running.
Auto restart configuration is used to automatically restart the
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