OR / ORN

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Operator - Performs a logical OR of all inputs.

Inputs

Input

Data Type

Range

Unit

Default

Description

IN1

BOOL

 

 

 

First Boolean input.

IN2

BOOL

 

 

 

Second Boolean input.

Outputs

Output

Data Type

Range

Unit

Description

Q

BOOL

 

 

Boolean OR of all inputs.

Remarks

None

Truth Table

IN1

IN2

Q

0

0

0

0

1

1

1

0

1

1

1

1

FBD Language Example

  • The block is called >=1.
  • The block can have a maximum of 32 inputs.

FFLD Language Example

  • In the FFLD Language, an OR operation is represented by contacts in parallel.

Example: Parallel contacts:

IL Language Example

Not available.

ST Language Example

Q := IN1 OR IN2;
Q := IN1 OR IN2 OR IN3;

See Also