Specifies whether the output relay is connected (closed) or disconnected (open). The NIDCPOWER_ATTR_OUTPUT_ENABLED attribute does not change based on this attribute; they are independent of each other.

Syntax

NIDCPOWER_ATTR_OUTPUT_CONNECTED

Numeric Value

Data Type

Access

Applies To

1150060

ViBoolean

Read/Write

Channels

Remarks


Set this attribute to VI_FALSE to disconnect the output terminal from the output.

Note

Only disconnect the output when disconnecting is necessary for your application. For example, a battery connected to the output terminal might discharge unless the relay is disconnected. Excessive connecting and disconnecting of the output can cause premature wear on electromechanical relays, such as those used by the PXIe-4147, PXI-4132, or PXIe-4138/39.

Note

The PXIe-4051 does not have an output relay. For the PXIe-4051, this attribute specifies whether the input MOSFETs are connected (ON) or disconnected (OFF).

Note

NI-DCPower uses the terms "source" and "output". However, while sinking with electronic loads and SMUs these correspond to "sinking" and "input", respectively.

Note

This attribute is not supported by all devices. Refer to Supported Attributes by Device for information about supported devices.

Defined Values:

VI_FALSE (0)

The output relay is disconnected (open).

VI_TRUE (1)

The output relay is connected (closed).

Default Value:

Refer to Supported Attributes by Device for the default value by device.

Related Topics: