Lenze PLC Designer PLC Designer (R2-x) Uživatelský manuál stáhnout pdf (Strana 503)

L-force | PLC Designer

IEC Operators and additional norm extending functions

 DMS 3.2 EN 02/2011 TD29 501

9.10.10 ACOS

»PLC Designer« IEC operator: Returns the arc cosine (inverse function of cosine) of a

number. The value is calculated in arch minutes. IN can be type BYTE, WORD, DWORD,

INT, DINT, REAL, SINT, USINT, UINT, UDINT, OUT must be type REAL.

Example in IL:

ST q (* Result is 1.0472 *)

Example in ST:

q:=ACOS(0.5);

Example in FBD:

9.10.11 ATAN

PLC Designer IEC operator: Returns the arc tangent (inverse function of tangent) of a

number. IN can be type BYTE, WORD, DWORD, INT, DINT, REAL, SINT, USINT, UINT,

UDINT. The result OUT is calculated in arch minutes and must be type REAL.

Example in IL:

ST q (* Result is 0.463648 *)

Example in ST:

q:=ATAN(0.5);

Example in FBD:

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Lenze PLC Designer PLC Designer (R2-x) Uživatelský manuál Strana 503