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plc function ref - 34.14<br />

34.1.5 Calculation <strong>and</strong> Conversion<br />

ACS, ASN, ATN, COS, LN, LOG, NEG, SIN, SQR, TAN - ArcCosine, ArcSiNe,<br />

ArcTaNgent, COSine, Logarythm Natural, LOGarythm,<br />

NEGative, SINe, SQuare Root, TANgent<br />

A<br />

ACS<br />

ARCCOSINE<br />

Source<br />

Dest<br />

N7:0<br />

N7:1<br />

Description:<br />

Status Bits:<br />

These are unary math functions that will load a value from the source, do<br />

the calculation indicated, <strong>and</strong> store the results in the destination. Functions<br />

possible include<br />

ACS - Arccosine (inverse cosine) in radians<br />

ASN - Arcsine (inverse sine) in radians<br />

ATN - Arctangent (inverse tangent) in radians<br />

COS - Cosine using radians<br />

LN - Natural Logarithm<br />

LOG - Base 10 logarithm<br />

NEG - Sign change from positive to negative, or reverse<br />

SIN - Sine using radians<br />

SQR - Square root<br />

TAN - Tangent using radians<br />

C<br />

V<br />

Z<br />

S<br />

Carry - set if a carry is generated<br />

Overflow - only set if value exceeds maximum for number type<br />

Zero - sets if the result is zero.<br />

Sign - set if result is negative<br />

Registers: none<br />

Available on: Micrologix, PLC-5<br />

www.PA<strong>Control</strong>.com

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