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A-275

F3C-AA42-

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F3C

-AA42

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Operation

Jamming control connections and principal circuit (Only F3C-AA42-3J)

Output con-

figuration

Mode switch

Output tran-

sistor

Output circuit

F3C-AA42-1

F3C-AA42-3J

PNP

Dark-ON

ON when 

light is not re-

ceived

Timing Chart

F3C-AA42-3J

Plug for power supply

Socket for neighbouring sensor

Cable for valve

No. 1 / bn

+Vcc(10 ... 30 V DC)

+Vcc(10 ... 30 V DC)

- / -

No. 2 / wt

Control output

Control input

- / -

No. 3 / bl

0 V

0 V

- / -

No. 4 / bk

Release input

Release output

- / -

bn (bk)

- / -

- / -

+ Valve output

bl (bk-ye)

- / -

- / -

0 V / Valve

F3C-AA42-1

1 / + Vcc

4 / ..... NC

2 / Output

3 / .... 0 V

bn

bk

wt

bl

Photoelectric 
Sensor

bn

bk

wt

bl

1

4

2

3

F3C-AA42-3J

1 / ...+ V cc

4 / Release

2 / .. Output

3 / ....... 0 V

bn

bk

wt

bl

+ Vcc ...

Release

Input .....

0 V ........

0 V

+ Valve

bn (bk-ye)

bl (bk)

Photoelectric 
Sensor

ON

OFF

Light received

Light is not received

ON

OFF

Operate

Release

Light indicator

(red)

Output transistor

Load (relay)

0V

Release

+Valve/bn (bk)

-Valve/bl(bk-ye)

+Valve/bn (bk)

-Valve/bl(bk-ye)

+Valve/bn (bk)

-Valve/bl(bk-ye)

1

2

4

3

bn

bk

wt

bl

bn

bk

wt

bl

4

2

3

Sensor 1

Sensor 2

... Sensor 30

+ VCC

1

2

4

3

bn

bk

wt

bl

bn

bk

wt

bl

1

4

2

3

1

2

4

3

bn

bk

wt

bl

bn

bk

wt

bl

1

4

2

3

Control ->

0V

Release

+ VCC

Control ->

0V

Release

+ VCC

Output

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