Logic function and – IDEC FS1A Controller User Manual

Page 375

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LOGIC

5-327

Chapter 5

LOGIC FUNCTION

AND

As shown in Fig. 5-18 and 5-19, this function reflects the results of a logic (AND) function
processing for multiple inputs (I

n

) in the function output (O

n

).




Fig. 5-18 AND function circuit

I

1

I

2

I

n

O

n

on

off

on

off

on

off

on

off

Fig. 5-19 Operation timing of the AND function

OR

As shown in Fig. 5-20 and 5-21, this function reflects the results of a logic (OR) function processing
for multiple inputs (I

n

) in the function output (O

n

).




Fig. 5-20 OR function circuit

I

1

I

2

I

n

O

n

on

off

on

off

on

off

on

off

Fig. 5-21 Operation timing of the OR function

I

1

I

2

I

n

O

I

1

I

2

I

n

O

...

...

...

...

&

>=1

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