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5.5 Standard Bitwise Boolean Functions

156

FXCPU Structured Programming Manual
(Application Functions)

5.5.2

OR_E

Outline

This function obtains the logical sum of two or more bits, and outputs it.

1. Format

*1.

Output variable

2. Set data

In explanation of functions, I/O variables inside ( ) are described.

Explanation of function and operation

1) This function obtains the logical sum using each bit of bit/word [unsigned]/bit string [16-bit]/double word

[unsigned]/bit string [32-bit] data stored in devices specified in

and

, and outputs the operation

result to a device specified in

using the data type of data stored in devices specified in

and

Example: When the data type is word [unsigned]/bit string [16-bit]]

2) The number of pins in

can be changed.

Cautions

When handling 32-bit data in structured programs, you cannot specify 16-bit devices directly, different from
simple projects. Use labels when handling 32-bit data.
You can specify 32-bit counters directly, however, because they are 32-bit devices.
Use global labels when specifying labels.

3U(C)

2N(C)

1N(C)

/FX

0(S)

Function name

Expression in each language

Structured ladder

OR_E

OR_E(EN,_IN,_IN,Output label);
Example:
OR_E(X000,M0,M10,M20);

Variable

Description

Data type

Input
variable

Execution condition

Bit

_IN (

…)

Device used to obtain the logical sum

ANY_BIT

Output
variable

ENO

Execution status

Bit

(

)

Device which will store the operation result

ANY_BIT

OR_E

ENO

M20

X000

_IN

M10

Logical sum