stPMU External Force Control

Connects or disconnects the specified channels to or from the external force terminal (either on the AUX I/O connector or the remote sense connector on the device front panel, depending on the value of the connectors parameter).

This nodes does not force a voltage or current by itself; it only connects NI-HSDIO to an external device.

Note Only the PXIe-6555 and PXIe-6556 support this nodes

Inputs/Outputs

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session in

Instrument session obtained from the Initialize Acquisition Sessionnode, the Initialize Generation Sessionnode, or the Initialize External Calibrationnode.

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channel list

The channels you want to configure.

Specify multiple channels by using a channel list or a channel range. A channel list is a comma (,) separated sequence of channel names (for example, 0,2 specifies channels 0 and 2). A channel range is a lower bound channel followed by a hyphen (-) or colon (:) followed by an upper bound channel (for example, 0-2 specifies channels 0, 1, and 2).

Use PFI1 or PFI2 to specify a valid PFI channel. Use DDC_CLKOUT or STROBE to specify a valid clocking terminal. If you configure multiple channels with this parameter, all those channels have the same settings. Selecting no channels for this parameter returns an error.

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action

Parameter that selects whether to connect or disconnect a channel or channels from the EXTERNAL FORCE pin.

Note On the PXIe-6556, selecting Disconnect disconnects both the AUX I/O and Remote Sense connectors regardless of which is connected currently.
Connect

Connects the channel to the EXTERNAL FORCE pin.

Disconnect

Disconnects the channel from the EXTERNAL FORCE pin.

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connector

Parameter that selects whether to access the PMU pins on the AUX I/O connector or the REMOTE SENSE connector.

AUX I/O

Accesses the PMU pins on the AUX I/O connector. This is the default value.

Remote Sense

Accesses the PMU pins on the REMOTE SENSE connector.

Using this parameter with the PXIe-6555/6556

This parameter is valid only on the PXIe-6556, which has both the AUX I/O and REMOTE SENSE connectors. If you are operating an PXIe-6555, you must select Remote Sense because the PXIe-6555 does not have an AUX I/O connector. If you select AUX I/O while using an PXIe-6555, NI-HSDIO returns an error.

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error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Default value: No error

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session out

Handle that identifies the session in all subsequent node calls.

The session out parameter is obtained from the Initialize Acquisition Sessionnode or the Initialize Generation Sessionnode.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Committing your session

If you have not yet committed your session, calling this node implicitly commits your session. If you have already committed your session by calling a node such as the Commitnode, the Initiatenode, the Read Waveformnode, the Write Named Waveformnode, or the other nodes, this node will not commit your session again.