Related parameters – Yaskawa G7 Drive User Manual

Page 246

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Adjusting Frequency References

6-

29

‹

Adjusting Frequency Reference Using Pulse Train Inputs

The frequency reference can be adjusted when b1-01 (Reference Selection) is set to 4 (Pulse Train Input). Set
the pulse frequency in parameter H6-02 to 100% reference, and then adjust the gain and bias accordingly
using H6-03 and H6-04.

„

Related Parameters

The following diagram shows the method for adjusting the frequency reference using pulse inputs.

Fig 6.29 Frequency Reference Adjustments Using Pulse Train Inputs

Parameter

Number

Name

Description

Setting
Range

Factory

Setting

Change

during

Operation

Control Methods

Display

V/f

V/f

with

PG

Open

Loop

Vector

1

Flux

Vector

Open

Loop

Vector

2

H6-01

Terminal RP
Pulse Train
Input
Function
Selection

Selects the function of pulse train

terminal RP.

0: Frequency reference
1: PID feedback value
2: PID setpoint value

0 to 2

0

No

A

A

A

A

A

Pulse Input
Sel

H6-02

Pulse Train
Input Scaling Sets the number of pulses (in Hz)

that is equal to the maximum output
frequency E1-04.

1000

to

32000

1440Hz

Yes

A

A

A

A

A

Pulse In
Scaling

H6-03

Pulse Train
Input Gain

Sets the output level when the pulse
train input is at 100% as a
percentage of maximum output
frequency E1-04.

0.0

to

1000.0

100.0%

Yes

A

A

A

A

A

Pulse Input
Gain

H6-04

Pulse Train
Input Bias

Sets the output level when the pulse
train input is 0Hz as a percentage of
maximum output frequency E1-04.

-100.0

to

100.0

0.0%

Yes

A

A

A

A

A

Pulse Input
Bias

H6-05

Pulse Train
Input Filter
Time

Sets the pulse train input filter time
constant in seconds.

0.00

to

2.00

0.10sec

Yes

A

A

A

A

A

Pulse In Filter

RP

Cycle
measurement

Filter

H6-05

H6-01

Master speed
frequency
PID feedback

PID target value

=0

=2

=1

Scaling using H6-02

Gain and bias

Pulse

1

1+sT

0%

H6-04

H6-03

100%

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