Adlink ACL-8112 Series Manual de usuario descargar pdf (Pagina 71)

C Language Library

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7.7 _8112_AD_Input_Mode

Description

This function is only used with the ACL-8112 ver. B series.

The ACL-8112 offers either 16 single-ended analog input channels or 8

differential analog input channels. If the ACL-8112 ver B card is used,

you have to call this function to initialize the A/D operation.

Syntax

int _8112_AD_Input_Mode( int ad_mode )

Argument:

ad_ch_mode:

SINGLE_ENDED

: the analog inputs are single-ended

mode.

DIFFERENTIAL

: the analog inputs are differential.

Return Code:

ERR_NoError

ERR_BoardNoInit

ERR_InvalidADChannel

Example:

#include “8112.h”

main()

{

int j;

_8112_Initial( CARD_1, A8112B_DG, 0x210 );

/* Assume ERR_NoError when Initialize ACL-8112 */

_8112_Initial( CARD_2, A8112B_HG, 0x220 );

/* Assume ERR_NoError when Initialize ACL-8112 */

_8112_AD_Input_Mode( DIFFERENTIAL) ;

/* set analog input mode as “differential” mode */

/* if this function is not called, the default input

mode is single-ended mode */

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Adlink ACL-8112 Series Manual de usuario Pagina 71