PLC Programming

Arithmetic Operators...
MUL
Multiplication of variables of the types: BYTE, WORD, DWORD, SINT, USINT, INT, UINT, DINT,
UDINT, REAL and LREAL.
Example in IL:
LD 7
MUL 2,4,7
ST Var 1
Example in ST:
var1 := 7*2*4*7;
Example in FBD:
SUB
Subtraction of one variable from another of the types: BYTE, WORD, DWORD, SINT, USINT, INT,
UINT, DINT, UDINT, REAL and LREAL.
A TIME variable may also be subtracted from another TIME variable resulting in third TIME type
variable. Note that negative TIME values are undefined.
Example in IL:
LD 7
SUB 8
ST Var 1
Example in ST:
var1 := 7-2;
Example in FBD:
DIV
Division of one variable by another of the types: BYTE, WORD, DWORD, SINT, USINT, INT, UINT,
DINT, UDINT, REAL and LREAL.
Example in IL:
LD 8
DIV 2
ST Var 1 (* Result is 4 *)
Example in ST:
var1 := 8/2;
Example in FBD:
10-2 CoDeSys V2.3