Lenze PLC Designer PLC Designer (R2-x) Bedienungsanleitung PDF herunterladen (Seite 665)

L-force | PLC Designer

PLC Designer Libraries

 DMS 3.2 EN 02/2011 TD29 663

Block in FBD: Example: Integration of a linear function:

This function block (util.lib. transforms a REAL-value, which lies in a value range

defined by a lower and upper limit value, to a REAL-value which lies correspondingly in

another range also defined by a lower and upper limit. The following equation is basis

of the conversion:

(IN - IN_MIN) : (IN_MAX - IN) = (OUT - OUT_MIN) : (OUT_MAX - OUT)

Input variables:

Variable Data type Description

IN REAL Input value

IN_MIN REAL Lower limit of input value range

IN_MAX REAL Upper limit of input value range

OUT_MIN REAL Lower limit of output value range

OUT_MAX REAL Upper limit of output value range

Output variables:

Variable Data type Description

OUT REAL Output value

ERROR BOOL Error occurred: TRUE, if IN_MIN = IN_MAX, or if IN is outside of the

specified input value range

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Lenze PLC Designer PLC Designer (R2-x) Bedienungsanleitung Seite 665