D4: frequency reference hold function, D7: offset frequency – Yaskawa Z1000U HVAC Matrix Bypass User Manual

Page 319

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background image

No.

(Addr.

Hex)

Name

LCD Display

Description

Values

Page

d3-03

(0296)

Jump Frequency 3

Jump Freq 3

Eliminates problems with resonant vibration of the motor/

machine by avoiding continuous operation in predefined

frequency ranges. The drive accelerates and decelerates the

motor through the prohibited frequency ranges.

Setting 0.0 disables this function.

Parameters must be set so that d3-01 ≥ d3-02 ≥ d3-03.

Default: 0.0 Hz

Min.: 0.0

Max.: 400.0

158

d3-04

(0297)

Jump Frequency Width Jump Bandwidth

Sets the dead-band width around each selected prohibited

frequency reference point.

Default: 1.0 Hz

Min.: 0.0

Max.: 20.0

158

u

d4: Frequency Reference Hold Function

No.

(Addr.

Hex)

Name

LCD Display

Description

Values

Page

d4-01

(0298)

Frequency Reference

Hold Function Selection

Fref Hold Sel

0: Disabled

1: Enabled

0: Disabled.

Drive starts from zero when the power is switched on.

1: Enabled.

At power up, the drive starts the motor at the Hold frequency

that was saved.

Default: 0

Range: 0, 1

d4-10

(02B6)

Up/Down Frequency

Reference Limit

Selection

Up/Dn LowLim Sel

0: D2-02 or Analog

1: D2-02 Only

0: The lower limit is determined by d2-02 or an analog input.

1: The lower limit is determined by d2-02.

Default: 0

Range: 0, 1

u

d7: Offset Frequency

No.

(Addr.

Hex)

Name

LCD Display

Description

Setting

Page

d7-01

(02B2) Offset Frequency 1

Offset Freq 1

Added to the frequency reference when the digital input

“Frequency offset 1” (H1-oo = 44) is switched on.

Default: 0.0%

Min.: -100.0

Max.: 100.0

d7-02

(02B3) Offset Frequency 2

Offset Freq 2

Added to the frequency reference when the digital input

“Frequency offset 2” (H1-oo = 45) is switched on.

Default: 0.0%

Min.: -100.0

Max.: 100.0

d7-03

(02B4) Offset Frequency 3

Offset Freq 3

Added to the frequency reference when the digital input

“Frequency offset 3” (H1-oo = 46) is switched on.

Default: 0.0%

Min.: -100.0

Max.: 100.0

B.5 d: References

YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual

319

B

Parameter List

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