Delta Electronics VFD-M manual

Models: VFD-M

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Pr. 129

Chapter 4 ParametersManual background

Manual background Maximum Reference Value

Settings 0.0 to 10.0 VFactory Setting: 10.0

This parameter is used to set the AVI input voltage that corresponds to maximum frequency.

 

Pr. 130

Invert Reference Signal AVI (0-10V)

 

 

 

 

 

 

 

Factory Setting: 00

 

 

Settings

00

Not Inverted

 

 

 

 

 

01

Inverted

 

 

 

 

 

 

 

 

If this parameter is set to 01, the reference signal is inverted: 0V corresponds to 60Hz in

 

Pr.128 and 10V corresponds to 0Hz in Pr.129.

 

 

 

 

 

 

 

 

Pr. 131

Minimum Reference Value (0-20mA)

Unit: 0.1mA

 

 

Settings

0.0 to 20.0mA

Factory Setting: 4.0

 

 

 

 

This parameter is used to set the ACI input frequency that corresponds to minimum frequency.

 

 

 

 

 

Pr. 132

Maximum Reference Value (0-20mA)

Unit: 0.1mA

 

 

Settings

0.0 to 20.0mA

Factory Setting: 20.0

 

 

 

 

 

 

 

This parameter is used to set the ACI input frequency that corresponds to maximum frequency.

Pr. 133

Inverts Reference Signal (0-20mA)

Factory Setting: 00

Settings 00

Not Inverted

01

Inverted

 

 

If this parameter is set to 01, 4mA corresponds to 0Hz in Pr.132, and 0mA corresponds to 60Hz in Pr.131.

The main purpose for Pr.128-Pr.133 is to allow changes in the output frequency when setting the analog frequency or PID feedback control per the feedback sensor. For example, if the feedback sensor inputs 4mA-20mA but the output frequency from drive that user needs is 5mA-18mA, then user could set Pr.131 to 5mA and Pr.132 to 18mA.

 

Pr. 134

Analog Input Delay Filter for Set Point

 

 

Settings

00 to 9999

 

Pr. 135

Analog Input Delay Filter for Feedback Signal

 

 

Settings

00 to 9999

Unit: 2ms Factory Setting: 50 Unit: 2ms Factory Setting: 5

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Revision May 2008, ME14, SW V3.04

Page 115
Image 115
Delta Electronics VFD-M manual