E6581090

The following control input terminals are always operative, no matter how the EOQF parameter (command mode selection) and the HOQF parameter (frequency setting mode selection) are set.

Reset terminal (enabled only when a trip occurs.)

Standby terminal

External input trip stop terminal

Before changing the setting of the EOQF parameter (command mode selection) or the HOQF parameter (frequency setting mode selection), be sure to put the inverter out of operation. (When H is set to , the settings of these parameters can be changed even during operation.)

There are two kinds of functions: function of responding to signals from the device specified with the HOQF parameter and function of responding to signals from the terminal board only.

When the highest-priority command is entered from an external device or a terminal board, it takes priority over commands from the device specified with the HOQF parameter.

5

 

HOQF=0

VI input

 

 

HOQF=1

PNL/TB:OFF

UP and DOWN keys on

 

 

 

 

operation panel

 

 

 

PNL/TB:ON

VI input

 

 

 

 

EOQF: Terminal board

 

 

HOQF=2

PNL/TB:OFF

Internal potentiometer

 

 

 

PNL/TB:ON

VI input

 

 

 

 

EOQF: Terminal board

 

 

HOQF=3

PNL/TB:OFF

Serial communications

 

 

 

PNL/TB:ON

VI input

 

 

 

 

EOQF: Terminal board

 

 

HOQF=

FCHG:OFF

Internal potentiometer

 

 

 

PNL/TB:OFF

 

 

 

 

FCHG:ON

VI input

 

 

 

PNL/TB:OFF

 

 

 

 

PNL/TB:ON

VI input

 

 

 

 

EOQF: Terminal board

*To switch between current input and voltage input, use the H parameter (Analog input / logic input function selection).

5.2Meter setting and adjustment

HOUN : FM/OUT terminal functions selection

HO : Meter adjustment

Function

The FM/OUT terminal can be switched between meter output (PWM output) and open collector. When connecting a meter to the FM/OUT terminal, set the HOUN parameter to a number other than -1 (open collector output) and connect the meter between FM/OUT (positive side) and CC (negative side).

If you want to connect a meter to the inverter, choose a full-scale 0~1mAdc ammeter or a full-scale 0~7.5Vdc-1mA voltmeter.

The meter output of VFNC1 may have some errors because of PWM waveform. Especially if the meter output is near 0, the errors may be increased.

E-2

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Toshiba VF-nC1 instruction manual Meter setting and adjustment, Function