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

Page 537

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L-force | PLC Designer

Operators and Library Modules Overview



DMS 3.2 EN 02/2011 TD29

535

Elements of the Util.lib:

BCD_TO_INT

Conversion of a Byte: BCD to INT format

INT_TO_BCD

Converstion of a Byte: INT to BCD format

EXTRACT(in,n)

The n-th bit of DWORD in is returned in BOOl

PACK

Up to 8 bits are packed into a byte

PUTBIT

A bit of a DWORD is set to a certain value

UNPACK

A Byte is returned as single bits

DERIVATIVE

Local derivation

INTEGRAL

Integral

LIN_TRAFO

Transformation of REAL values

STATISTICS_INT

Min.,Max, Average values in INT format

STATISTICS_REAL

Min.,Max, Average in REAL format

VARIANCE

Variance

PD

PD controller

PID

PID controller

BLINK

Pulsating signal

FREQ_MEASURE

Measuring frequency of boolean input signal

GEN

Periodic functions

CHARCURVE

linear functions

RAMP_INT

Limiting ascendance of descendance of the function beeing fed (INT)

RAMP_REAL

Limiting ascendance of descendance of the function beeing fed (REAL)

HYSTERESIS

Hysteresis

LIMITALARM

Watches whether input value exceeds limits of a defined range

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