Adjusting frequency references, Adjusting analog frequency references, Related parameters – Yaskawa Matrix Converter User Manual

Page 190

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Adjusting Frequency References

6-

25

Adjusting Frequency References

This section explains methods of adjusting frequency references.

‹

Adjusting Analog Frequency References

Gain and bias are among the parameters used to adjust analog inputs.

„

Related Parameters

Parameter

Number

Name

Description

Setting

Range

Default

Change

during

Run

Control Methods

Display

V/f

Open

Loop

Vector

Flux

Vector

H3-01

Terminal A1 Sig-
nal Level Selection

Sets the signal level of terminal A1.
0: 0 to 10VDC
1: -10 to +10VDC

[11-bit plus polarity sign]

0 or 1

0

No

A

A

A

Term A1 Lv1 Sig-
nal

H3-02

Terminal A1 Gain
Setting

Sets the output level when 10 V is input, as a
percentage of the maximum output frequency
(E1-04).

0.0 to

1000.0

100.0%

Yes

A

A

A

Terminal A1 Gain

H3-03

Terminal A1 Bias
Setting

Sets the output level when 0 V is input as a
percentage of the maximum output frequency
(E1-04).

-100.0

to

+100.0

0.0%

Yes

A

A

A

Terminal A1 Bias

H3-04

Terminal A3 Sig-
nal Level Selection

Sets the signal level of terminal A3.
0: 0 to 10 VDC
1: -10 to +10 VDC

0 or 1

0

No

A

A

A

Term A3 Signal

H3-05

Terminal A3 Func-
tion Selection

Select multi-function analog input function
for terminal A3. Refer to the next page.

0 to 1F

2

No

A

A

A

Terminal A3 Sel

H3-06

Terminal A3 Gain
Setting

Sets the output level when 10 V is input.

0.0 to

1000.0

100.0%

Yes

A

A

A

Terminal A3 Gain

H3-07

Terminal A3 Bias
Setting

Sets the frequency reference when 0 V is
input.

-100.0

to

+100.0

0.0%

Yes

A

A

A

Terminal A3 Bias

H3-08

Terminal A2 Sig-
nal Level Selection

Selects the signal level of terminal A2.
0: 0 to 10 VDC (switch S1-2 must be in the

off position).

1: -10 to +10 VDC (switch S1-2 must be in

the off position).

2: 4 to 20 mA (switch S1-2 must be in the on

position)

Note: Switch between current or voltage

inputs by using (S1-2) switch on the

terminal board.

0 to 2

2

No

A

A

A

Term A2 Signal

H3-09

Terminal A2 Func-
tion Selection

Select multi-function analog input function
for terminal A2. Refer to the next table.

0 to 1F

0

No

A

A

A

Terminal A2 Sel

H3-10

Terminal A2 Gain
Setting

Sets the output level when 10V is input.

0.0 to

1000.0

100.0%

Yes

A

A

A

Terminal A2 Gain

H3-11

Terminal A2 Bias
Setting

Sets the output level when 0V is input.

-100.0

to

+100.0

0.0%

Yes

A

A

A

Terminal A2 Bias

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