Table Of Contents

PPMU Configure Voltage Limits (G Dataflow)

Version:
Last Modified: September 14, 2017

Specifies the voltage limit high, or high clamp voltage (VCH), and voltage limit low, or low clamp voltage (VCL), for the specified pins when forcing current.

You must call the PPMU Source node for changes to the PPMU configuration to take effect, even if the PPMU is already sourcing.

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session in

Instrument session obtained from the niDigital Initialize with Options node.

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channel list

List of channel names or pin names. Do not pass a mix of channel names and pin names.

An empty string denotes all digital pattern instrument channels.

Multisite Considerations and Syntax

Pin names and pin groups apply to all enabled sites, unless the pin name explicitly specifies the site. You can specify a pin in a specific site using the form siteN/pinName, where N is the site number. This node ignores pins that are not mapped to the digital pattern instrument.

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voltage limit high

The nominal voltage at the pin at which the high side voltage clamp activates when the PPMU forces current to the DUT.

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voltage limit low

The nominal voltage at the pin at which the low side voltage clamp activates when the PPMU forces current to the DUT.

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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

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Default: No error

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session out

Handle that identifies the session in all subsequent NI-Digital node calls.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Forcing current using the PPMU Configure Output node

When forcing current by setting the PPMU Configure Output node to DC Current, the voltage is clamped to the specified voltage limits. Select the smallest voltage limits appropriate for the DUT.

If the voltage required by the DUT exceeds the specified voltage limits, the current output may not meet the specified current level. Choose larger voltage limits as needed and appropriate for the DUT.

Where This Node Can Run:

Desktop OS: Windows

FPGA: Not supported

Web Server: Not supported in VIs that run in a web application


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