Chapter 6 - Parameter Description [I/O]

[3-Wire]

 

 

 

 

 

 

 

 

[iTerm Clear]

This function is for 3-wire start/stop control.

This function is used for PID control. When this terminal is

This function is mainly used with a momentary push button

ON, the accumulated value by I-Gain is set to ‘0’. Refer to

to hold the current frequency output during acceleration or

PID Control Block Diagram.

deceleration.

 

 

 

 

 

 

 

 

[Open-loop]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

This is used to exchange the control mode of inverter from

 

FX

RX

P2

CM

 

 

 

PID mode (Close Loop) to V/F mode (Open Loop).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DRV-03 [Drive Mode] and DRV-04 [Frequency Mode] are

 

 

 

 

 

 

 

 

 

 

 

applied when the mode has been changed.

 

 

 

 

 

 

 

 

 

 

 

Note: This function can be used only when the inverter is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

stopped.

[Wiring for 3-Wire Operation, P2 set to ‘3-Wire’]

[Main-drive]

 

 

 

When an option board (like RS485, DeviceNet, F-Net) is

Output Frequency

 

 

installed and used for the frequency setting and the

 

 

run/stop command, the inverter operation can be changed

Freq.

 

 

 

 

to manual operation using this function without changing

Max.

 

 

 

 

parameters.

 

 

 

 

 

Time

FU1-02 [Frequency Mode] and FU1-01 [Drive Mode] are

 

 

applied when the mode has been changed.

 

 

 

Note: this function can be used only when the inverter is

Freq.

 

 

stopped.

max.

 

 

[Analog hold]

 

 

 

P2-CM

ON

Time

When there is an analog input signal for frequency

 

 

reference and ‘Analog hold’ terminal is ON, inverter fixes

 

 

 

FX-CM ON

 

Time

its output frequency regardless of the frequency reference

RX-CM

ON

 

change. The changed frequency reference is applied when

Time

the terminal is OFF.

 

 

 

 

 

This function is useful when a system requires constant

 

[3-Wire Operation]

 

speed after acceleration.

 

Reference Frequency,

 

 

 

[Ext Trip-A]

Output frequency

 

Reference Frequency

 

 

Output Frequency

 

This is a normally open contact input. When a terminal set

 

 

 

 

 

 

 

 

 

 

 

 

to ‘Ext Trip-A’ is ON, inverter displays the fault and cuts off

 

 

 

 

 

 

 

its output. This can be used as an external latch trip.

 

 

 

 

 

 

 

[Ext Trip-B]

 

 

 

 

 

 

 

This is a normally closed contact input. When a terminal

 

 

 

 

 

 

Time

set to ‘Ext Trip-B’ is OFF, inverter displays the fault and

 

 

 

 

 

 

 

 

 

 

 

 

 

cuts off its output. This can be used as an external latch

P1-CM

 

 

 

 

 

 

 

 

 

 

trip.

‘Analog hold’

 

 

 

ON

 

Time

 

 

[Analog hold Operation]

 

 

 

 

6-40

Page 132
Image 132
HP 30 30 manual Parameter Description I/O Wire ITerm Clear, Open-loop, Main-drive, Analog hold, Ext Trip-A, Ext Trip-B