niSwitch_GetRelayPosition

NI Switches Help

Edition Date: April 2015

Part Number: 375472H-01

»View Product Info
Download Help (Windows Only)

Specific Function

C Function Prototype

ViStatus niSwitch_GetRelayPosition (ViSession vi, ViConstString relayName, ViInt32* relayPosition);

Purpose

Returns the relay position for the relay specified in the relayName parameter.

Parameters

Name Type Description
vi ViSession A particular NI-SWITCH session established with niSwitch_InitWithTopology, niSwitch_InitWithOptions, or niSwitch_init and used for all subsequent NI-SWITCH calls.

relayName ViConstString Name of the relay. Refer to Devices for a list of valid relay names for the switch module.

Examples of valid relay names:

ch0, ab0, 1wire, hlselect

relayPosition ViInt32 Indicates whether the relay is open or closed.

Valid Values:

NISWITCH_VAL_OPEN (10)
NISWITCH_VAL_CLOSED (11)

Related Information

WAS THIS ARTICLE HELPFUL?

Not Helpful