Lenze DDS Function library PLCToolBox Manuel d'utilisateur télécharger pdf (Page 22)

Function library LenzePLCToolBox.lib

Functions/function blocks

2.14 L_TBResetBitOfWord

2−14

LenzePLCToolBox.lib EN 1.5

2.14 L_TBResetBitOfWord

WORD L_TBResetBitOfWord (wInput, byBitNr)

This function resets a single bit in a value of type "word" to "0".

L_TBResetBitOfWord

wInput

byBitNr

0...15

Reset

Transfer parameters

Identifiers Data type Info/possible settings

wInput Word Value in which a bit is to be reset to 0".

byBitNr Byte No. (0 ... 15) of the bit to be reset.

Return value: Word

Value Meaning

0 ... 65535 Value of type "word" resulting from the reset bit.

Example

Calling the function in ST:

wValue := 105 (* wValue = 105 dec = 01101001 bin *)

wValue := L_TBResetBitOfWord(wValue, 3); (* reset bit 3 *)

(* wValue = 97 dec = 01100001 bin *)

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Lenze DDS Function library PLCToolBox Manuel d'utilisateur Page 22