Assignment Statement

Owned by CIMON (Unlicensed)
Mar 29, 2024
1 min read

Assignment Statement substitutes a value or a result from calculation to the variable or PLC device.
The PLC device where the constant, the value of variable and the result of calculation has to be placed on the left side of operator ‘:=’. All the assignment statements must be ended with " ; ".

Format: Identifier := Expression
Identifier can be a variable or a PLC Device.
In Expression, a constant, PLC Device variable (the value that PLC Device has) and the Expressions listed in [Expressions] can be used.
Example

Example

Description

MX00 := 1;

1 is substituted to M00

DW100 := 100;

100 is substituted to D100

DW500 := DW00 + DW01;

The result of the summation of D0 and D1 is substituted to D500