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