ST Function Block Call¶

Syntax

<FB-instance>(<FB input variable>:=<value or address>|, <other FB input variables>);

Example

TMR:TON;

TMR (IN:=%OX5, PT:=T#300ms);
varA:=TMR.Q;

The timer function block TON is instanced in TMR:TON and called with assignments for the parameters IN and PT.

The output Q is addressed with TMR.Q and assigned to the variable varA.