DERIVATE

Function Block - Derivates a signal.

Inputs

Input	Data type	Description
RUN	BOOL	Run command: TRUE=derivate / FALSE=hold.
XIN	REAL	Input signal.
CYCLE	TIME	Sampling period (should not be less than the target cycle timing).

Outputs

Output	Data type	Description
XOUT	REAL	Output signal.

Remarks

In LD language, the input rung is the RUN command. The output rung keeps the state of the input rung.

ST Language

MyDerv is a declared instance of DERIVATE function block.

MyDerv (RUN, XIN, CYCLE);
XOUT := MyDerv.XOUT;

FBD Language

Fixed_Image

LD Language

ENO has the same state as RUN.

Fixed_Image