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Toshiba Tosvert VF-A5 User Manual

Page 25

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Table 6.2.3. Control circuit terminal functions

Control circuit terminal functions are as shown below. The internal circuit diagrams for each terminal

are shown on page 22.

Terminal symbol

Terminal function

Internal

circuit

diagram

FLA, FLB, FLC

These are the multifunction programmable relay contact outputs (refer

to page 12). The contact ratings are 250Vac-2A (COS0=1), 30Vdc-1A,
250Vac-1A (COS0=O.4).
The standard function setting detects when the inverter protection

functions have operated.
When a protection function activates, FLA-FLC will close, and FLB-FLC

will open.

E

P24

24Vdc power output. (Max. 100mA)

F

RCH

This is a multifunction programmable open-collector output (refer to

page 57). (Max. SOmAdc)

The standard function setting activates this signal when completion of

deceleration or acceleration is detected.

G

LOW

This is a multifunction programmable open collector output (refer to

page 57). (Max. 50mAdc)

The standard function setting activates this signal when a low speed is

detected.

G

FP

This is a dedicated open-collector output. (Max. 50mAdc). Pulses that

are 48-, 96- or 360-times the output frequency are output according to
parameter settings.

The standard setting is for 48-times the output frequency.

H

FM

This is a multifunction programmable analog output (refer to page 89.)
The standard setting is the pre-compensation reference frequency.
When connecting a meter, use a ImAdc full-scale ammeter or 7.5Vdc-

1mA full-scale voltmeter.

1

AM

This is a multifunction programmable analog output (refer to page 89.)
The standard setting is the output current. When connecting a meter,

use a ImAdc full-scale ammeter or 7.5Vdc-1mA full-scale voltmeter.

1

PP

This is the power supply for reference frequency setting. (lOVdc)

Connect a 3kft potentiometer (a 1 to lOkQ potentiometer may also be
used).

J

RR

This is a multifunction programmable analog input.
The standard setting is a 0 to lOVdc input corresponding to a 0 to

80Hz frequency setting.

K

IV

This is a multifunction programmable analog input. Change between 0
to lOVdc (SW at V side) or 4 (0) to 20mAdc (SW at 1 side) via SW,

located under the ROM interface window. The standard setting is a 0 to
lOVdc input conresponding to a 0 to 80Hz frequency setting with the
switch at the V side.

L

RX

Tills is a multifunction programmable + ! - analog input. Change

between 0 and ±lOVdc (SW at 10V side) or 0 to ±5Vdc (SW at 5V

side) via SW, located under the ROM interface window. The standard
setting is a 0 to ±10Vdc input corresponding to a 0 to 80Hz
forward/reverse frequency setting with the switch at the 10V side.

M

CC

This is the control circuit common terminal.

N

-

19

-