L-force | plc designer – Lenze PLC Designer PLC Designer (R2-x) User Manual

Page 676

Advertising
background image

L-force | PLC Designer

PLC Designer Libraries

674

DMS 3.2 EN 02/2011 TD29



An illustrative example:

LIMITALARM

Provided by util.lib.

This function block specifies, whether the input value is within a set range and which
limits it has violated if it has done so.

The input values IN, HIGH and LOW are each of the type INT, while the outputs O, U
and IL are of the type BOOL.

If the upper limit HIGH is exceeded by IN, O becomes TRUE, and when IN is below
LOW, U becomes TRUE. IL is TRUE if IN lies between LOW and HIGH.

Example in FBD: Result:

Advertising