MUL

Overview

IEC operator for the multiplication of variables

Allowed types

oBYTE

oWORD

oDWORD

oLWORD

oSINT

oUSINT

oINT

oUINT

oDINT

oUDINT

oLINT

oULINT

oREAL

oLREAL

oTIME

TIME variables can be multiplied with integer variables.

In the FBD/LD editor, the MUL operator is an extensible box. This means, instead of a series of concatenated MUL boxes, you can use 1 box with multiple inputs. Use the command Insert Input for adding further inputs. The number is unlimited.

Example in IL

LD     7
MUL    2     ,
       4     ,
       7
ST     Var1

Example in ST

var1 := 7*2*4*7;

Examples in FBD

 

1.   series of MUL boxes

2.   extended MUL box

3.   MUL box with EN/ENO parameters