MakeWord
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 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
- In the IL
"Instruction list"
This is a low-level language and resembles assembly language, the input must be loaded in the current result before calling the function.
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
MAKEWORD LO
ST Q
ST Language
Q := MAKEWORD (HI, LO);
See Also





