Agilent Technologies Agilent E5250A Guia do Utilizador descarregar pdf (Página 84)

2-64 Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 1

Driver Functions

hpe5250a_coupleState

This function controls the couple port mode for the specified card. This function

applies only to the E5252A card.

Syntax ViStatus _VI_FUNC hpe5250a_coupleState(ViSession vi,

ViInt16 couplestate_cardno, ViInt16 couple_state);

Parameters vi Instrument handle returned from hpe5250a_init( ).

couplestate_cardno Card number. 1 (card 1), 2 (card 2), 3 (card 3), 4 (card 4), or 5

(all card) in the normal configuration mode, or 0 (all card in the

automatic configuration mode). For the configuration mode, see

hpe5250a_func.

couple_state Couple port mode. 0 (OFF) or 1 (ON).

hpe5250a_dcl

This function sends a device clear (DCL) to the instrument.

A device clear will abort the present operation and enable the instrument to accept a

new command or query.

This is particularly useful in situations where it is not possible to determine the

instrument state. In this case, it is customary to send a device clear before issuing a

new instrument driver function. The device clear ensures that the instrument will be

able to begin processing the new commands.

Syntax ViStatus _VI_FUNC hpe5250a_dcl(ViSession vi);

Parameters vi Instrument handle returned from hpe5250a_init( ).

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Agilent Technologies Agilent E5250A Guia do Utilizador Página 84