MAKEDWORD

Function 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 double word as the concatenation of two words

Inputs

HI : USINT Highest significant word
LO : USINT Lowest significant word

Outputs

Q : UINT   32 bit register

Remarks

In 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.

In IL "Instruction list" This is a low-level language and resembles assembly, the first input must be loaded in the current result before calling the function.

ST Language

Q := MAKEDWORD (HI, LO);

FBD Language

FFLD Language

(* The function is executed only if EN is TRUE *)
(* ENO keeps the same value as EN *)

IL Language:

Op1: LD "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
     MAKEDWORD LO
     ST        Q

See also

LOBYTE  HIBYTE  LOWORD  HIWORD  MAKEWORD