Table Of Contents

Configuration Options (VPS)

Last Modified: November 26, 2019

Use configuration options on the Variable Power Supply (VPS) Soft Front Panel (SFP) to configure DC voltage outputs. For example, you can configure the voltage range.

Toolbar Controls

Use the toolbar controls to perform common tasks for the VPS. The toolbar is located at the top of the SFP.

Control Description
Drag and drop Drags and drops the SFP to the desired position within the browser window. Large SFPs such as the Oscilloscope are always located to the left of small SFPs such as the Variable Power Supplies (VPS). Your window size decides whether the SFPs are arranged vertically or horizontally.
Dropdown

Click to open the current SFP in a separate browser window. To restore it to the original window, close the SFP by clicking and launch it again.

Run/Stop Click Run to start data acquisition or generation. Click Stop to stop data acquisition or generation.
Collaboration Indicates whether you are controlling or viewing the instrument, and whether others are using the instrument simultaneously. Click the button to request or release your control over the instrument. For more information, refer to Collaborating with Your Team Members.

Static Mode

When setting the VPS to the Static mode, you can control the voltage and current outputs by changing the Voltage and Current limit settings. The display on the panel shows the actual voltage, current, and power readings of the output signal.

Setting Description Operational Limits
Voltage Target voltage level.
spd-note-note
Note  

A slight deviation exists between the actual voltage and the target voltage due to hardware configuration and the input impedance of the circuit under test.

Range: 1 V to 15 V for the + terminal, -15 V to -1 V for the - terminal

Resolution: 10 mV

Current limit Maximum current sourced from the instrument.
spd-note-note
Note  

If the actual current surpasses Current limit, the current output is coerced to a value smaller than and close to Current limit to protect your hardware. The voltage output is also coerced to a value smaller than Voltage and an increase in Voltage does not result in an increase in the voltage output.

Range: 20 mA to 500 mA for the + terminal, -500 mA to -20 mA for the - terminal

Sweep Mode

When you set the VPS to the Sweep mode, the VPS ramps voltage outputs between the start and stop voltages you specify. The VPS provides the following configuration options. The display on the panel shows the actual voltage, current, and power readings of the output signal.

Setting Description Operational Limits
Start voltage Target voltage at which the voltage sweep starts. Start voltage can be either greater than or less than Stop voltage.

Range: 1 V to 15 V for the + terminal, -15 V to -1 V for the - terminal

Resolution: 10 mV

Stop voltage Target voltage at which the voltage sweep stops. Start voltage can be either greater than or less than Stop voltage.

Range: 1 V to 15 V for the + terminal, -15 V to -1 V for the - terminal

Resolution: 10 mV

Step Voltage interval between each output signal during a voltage sweep. The absolute value of Step must be less than the difference between Start voltage and Stop voltage.

Range: 0 V to 14 V, less than |VStart - Vstop|

Resolution: 10 mV

Step interval Time interval between each output signal during a voltage sweep. Range: 0 s to 86400 s
Generation mode

Mode in which the device generates voltage. Select Run Once if you want to generate the voltage sweep only once. Select Loop if you want to generate the voltage sweep continuously.

-
Current limit Maximum current sourced from the instrument.
spd-note-note
Note  

If the actual current surpasses Current limit, the current output is coerced to a value smaller than and close to Current limit to protect your hardware. The voltage output is also coerced to a value smaller than Voltage and an increase in Voltage does not result in an increase in the voltage output.

Range: 20 mA to 500 mA for the + terminal, -500 mA to -20 mA for the - terminal

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