TOSHIBA
5.7 Accelerating/Decelerating Characteristics
· ACC/DEC time can be set in the range of 0.1~6000 seconds.
· ACC/DEC time 1 or 2 can be selected either through the keypad (Panel Control) or
an input terminal (Remote Control).
· ACC/DEC characteristics can be selected from the linear, S-shaped, or
C-shaped pattern.
The S-shaped pattern gradually accelerates a motor in a range where the motor
provides a low torque, and is suited for material handling machinery.
The C-shaped pattern quickly accelerates a motor in a range where the motor
provides a low torque, and is suited for a high speed run.
5.8 Display Frequency Scaler
This versatile unit indication system permits the indication of not only the output
frequencies, but also revolution speeds, linear velocities, or other linear multiples of
the frequencies.
[Contents of digital displays]=Constant X [Output frequency]
The constant can be set within the range 0.01~200; also the unit measure (Hz) LED
turns off when the Display Frequency Scaler function is activated.
Example:
When a 4 pole motor is driven at 0~60Hz, the setting "dSP.2=30" makes the monitor
display indicate 0~1800 (rpm).
For linear speed of 6m/sec at 60Hz, set "dSP.2=0.1". When speed scaling is used, the
unit of measure LED is turned off.
5.9 Memory Function
A number from 0 to 31 can be assigned to and stored in the non-volatile memory of
the inverter. This allows electronic tagging and on-line identification of each unit.
This function can be utilized for sorting of inverter unit numbers and various set data
through the optional computer interface.
5 - 8
Linear pattern S-shaped pattern C-shaped pattern
Time TimeTime
Frequency
Frequency
Frequency
Max output
frequency
Max output
frequency
Max output
frequency
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