Chapter 6 - Parameter Description [I/O]

 

 

 

 

 

 

 

 

This is the filtering time constant for ‘I’ signal input. If the ‘I’

Related Functions:

DRV-04 [Frequency Mode]

 

signal is affected by noise causing unstable operation of

 

 

 

FU1-20 [Maximum Frequency]

 

 

 

 

 

 

 

 

the inverter, increase this value. Increasing this value

 

 

 

 

 

 

 

makes response time slower.

 

 

I/O-11: Criteria for Analog Input Signal Loss

I/O►

I curr x1

07

4.00

 

 

 

 

 

 

 

07

4.00 mA

 

 

I/O►

Wire broken

11

0

 

 

 

 

 

Factory Default:

4.00 mA

 

4.00

11

None

 

 

 

 

 

 

 

This is the minimum current of the ‘I’ input at which inverter

Factory Default:

 

None

0

 

 

 

 

 

 

 

outputs minimum frequency.

 

 

This is to set the criteria for analog input signal loss when

I/O►

I freq y1

08

0.00

DRV-04 [Frequency Mode] is set to ‘V1’, ‘I’ or ‘V1+I’.

Following table shows the setting value.

 

08

0.00 Hz

 

 

 

 

 

 

 

 

 

 

Factory Default:

0.00 Hz

 

0.00

 

Setting Range

 

 

Description

 

This is the inverter output minimum frequency when there

 

LCD

7-Seg

Does not check the analog input

 

None

 

0

 

is minimum current (I/O-07) on the ‘I’ terminal.

 

 

 

 

 

 

signal.

 

 

 

 

 

 

 

 

 

 

 

The inverter determines that the

I/O►

I curr x2

09

20.00

half of x1

 

1

 

frequency reference is lost when the

 

 

analog input signal is less than half of

09

20.00 mA

 

 

 

 

 

 

 

 

 

 

 

 

the minimum value (I/O-02 or I/O-07).

Factory Default:

20.00 mA

 

20.00

 

 

 

 

 

The inverter determines that the

 

below x1

 

2

 

frequency reference is lost when the

 

 

 

 

 

 

 

This is the maximum current of the ‘I’ input at which

 

 

analog input signal is less than the

 

 

 

 

 

 

 

 

 

 

minimum value (I/O-02 or I/O-07).

inverter outputs maximum frequency.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/O►

I freq y2

10

60.00

When the analog input signal is lost, inverter displays the

following table.

 

 

 

 

10

60.00 Hz

 

 

 

 

 

 

 

 

 

Factory Default:

60.00 Hz

 

60.00

Setting Range

 

 

Description

 

 

 

 

 

 

LCD

7-Seg

 

 

 

This is the inverter output maximum frequency when there

 

Loss of frequency reference from Option

LOP

LP

 

is the maximum current (I/O-09) on the ‘I’ terminal.

 

Board (DPRAM time out)

 

 

 

 

 

 

 

 

 

 

 

LOR

LR

 

Loss of frequency reference from Option

Reference Frequency

 

 

 

 

Board (Communication fault)

 

 

 

 

 

 

 

 

 

 

 

 

LOV

LV

 

Loss of analog input signal, V1

 

 

 

 

 

 

 

I/O-10

 

 

 

LOI

LI

 

Loss of analog input signal, I

 

 

 

 

 

LOX

LX

 

Loss of frequency reference from Sub-

 

 

 

 

 

 

Board, V2 or ENC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Related Functions: I/O-48 [Lost command] selects the

 

 

 

 

 

operation after determining the loss of frequency reference.

 

I/O-08

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Analog Voltage

 

 

 

 

 

 

 

 

I/O-07

 

I/O-09

Input (V1)

 

 

 

 

 

 

 

[Reference Frequency vs. Analog Current Input, I (4 to 20mA)]

 

 

 

 

 

 

 

6-36

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Image 128
HP 30 30 manual Criteria for Analog Input Signal Loss, 20.00