MakeWord

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 FunctionClosed A function calculates a result according to the current value of its inputs. A function has no internal data and is not linked to declared instances. - Builds a word as the concatenation of two bytes.

Inputs

Input

Data Type

Range

Unit

Default

Description

HI

USINT

 

 

 

Highest significant byte.

LO

USINT

 

 

 

Lowest significant byte.

Outputs

Output

Data Type

Range

Unit

Description

Q

UINT

 

 

16-bit register.

Remarks

None

FBD Language

FFLD Language

  • In the FFLD language, the operation is executed only if the input rung (EN) is TRUE.
    • The output rung (ENO) keeps the same value as the input rung.
  • The function is executed only if EN is TRUE.
  • ENO keeps the same value as EN.

IL Language

Op1: LDClosed "Ladder diagram"
Ladder logic is a method of drawing electrical logic schematics. It is now a very popular graphical language for programming Programmable Logic Controllers (PLCs). It was originally invented to describe logic made from relays. The name is based on the observation that programs in this language resemble ladders, with two vertical "rails" and a series of horizontal "rungs" between them       HI
     MAKEWORD LO
     ST       Q

ST Language

Q := MAKEWORD (HI, LO);

See Also