Download User manual - LUCKINSlive

Glossary
IL
IL is the abbreviation of Instruction List.
This language is a series of basic instructions.
This language is very close to the assembly language used to program processors.
Each instruction is composed of an instruction code and an operand.
Instantiate
To instantiate an object is to allocate a memory space whose size depends on the type of object
to be instantiated. When an object is instantiated, it exists and can be manipulated by the program.
INT
INT is the abbreviation of single integer format (coded on 16 bits).
The lower and upper limits are as follows: -(2 to the power of 31) to (2 to the power of 31) - 1.
Example:
-32768, 32767, 2#1111110001001001, 16#9FA4.
L
LD
LD is the abbreviation of Ladder Diagram.
LD is a programming language, representing the instructions to be carried out in the form of graphic
diagrams very close to a schematic electrical diagram (contacts, coils, etc.).
Located variable
A located variable is a variable for which it is possible to know its position in the PLC memory. For
example, the variable Water_pressure, is associated with %MW102. Water_pressure is said
to be located.
M
Master task
Main program task.
It is obligatory and is used to carry out sequential processing of the PLC.
O
Operator screen
This is an editor that is integrated into Unity Pro, which is used to facilitate the operation of an
automated process. The user regulates and monitors the operation of the installation, and, in the
case of any unexpected event, can act quickly and simply.
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