Toshiba VF-nC1 User Manual download pdf (Page 34)

E6581090

B-8

FLA

FLB

FLC

FM/OUT

VI/S3

P15

2.3.2 Control circuit terminals (sink logic (common: CC))

The control circuit terminal board is the same for all models.

Ter mi na

l symbol

Input/

output

Function Specifications Inverter internal circuit

FInput

Shorting across F-CC

causes forward rotation;

open causes slowdown and

stop. (If ST is always ON)

RInput

Shorting across R-CC

causes reverse rotation;

open causes slowdown and

stop. (If ST is always ON)

Shorting across R-CC/F-

CC causes reverse

rotation.

S1 Input

Shorting across S1-CC

causes preset speed

operation.

S2 Input

Multifunction programmable contact input

Shorting across S2-CC

causes preset speed

operation.

Dry contact input

15Vdc - 5mA or less

*Sink/source selectable

by changing a parameter

Common

to input/

output

Control circuit’s equipotential

terminal.

P5 Output

Power output for analog input

setting.

5Vdc

(permissible load current:

10mAdc)

VI/S3 Input

Multifunction programmable

analog input.

Standard default setting:

Analog input 0-10Vdc and

frequency 0-80Hz.

Possible to use as analog input

(4 (0)-20mAdc) or contact input

(programmable contact input)

by changing a parameter.

10Vdc:

(internal impedance:

42kΩ)

4-20mA:

(internal impedance:

250Ω)

◎

4.7K

3.7K

＋5V

22K 1K

0.047μ

＋15V

◎CC

◎

249

＋5V

20K 2K

0.047μ

VI/S3

0.047μ

20K

◎

100

＋5V

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Toshiba VF-nC1 User Manual Page 34

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