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7 maximum frequency, 8 upper limit and lower limit frequencies – Toshiba VF-FS1 User Manual

Page 82

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E6581381

E-16

5

5.7

Maximum frequency

HJ

: Maximum frequency

• Function

1) Programs the range of frequencies output by the inverter (maximum output values).
2) This frequency is used as the reference for acceleration/deceleration time.

Output frequency

(Hz)

When HJ=80Hz

When HJ=60Hz

80Hz

60Hz

0 100% Frequency setting signal (%)

This function determines the value
in line with the ratings of the motor

and load.
Maximum frequency cannot be
adjusted during operation.To
adjust, first stop the inverter.

+

If HJ is increased, adjust the upper limit frequency WN as necessary.

[Parameter setting]

Title

Function

Adjustment range

Default setting

HJ

Maximum frequency

30.0-200.0 (Hz)

80.0

5.8

Upper limit and lower limit frequencies

WN

: Upper limit frequency

NN

: Lower limit frequency

• Function

Programs the lower limit frequency that determines the lower limit of the output frequency and the upper
limit frequency that determines the upper limit of that frequency.

0

100%

Output frequency (Hz)

WN

HJ

Frequency setting signal

* Frequencies that go

higher than WN will not
be output.

Upper limit

frequency

0

100%

Output frequency (Hz)

HJ

NN

Frequency setting signal
* The output frequency

cannot be set at less than
NN

.

Lower limit
frequency