id: "51e2913e-b135-4516-858e-fd508f387ee1" name: "Keithley Pulsed Voltage Control with PyQt GUI and Excel Logging" description: "Create a PyQt5 application to control a Keithley instrument via GPIB for generating pulsed voltages based on comma-separated inputs, while logging real-time voltage and current measurements to a timestamped Excel file." version: "0.1.0" tags:

• "python"
• "pyqt"
• "keithley"
• "instrumentation"
• "automation"
• "excel" triggers:
• "keithley pulsed voltage gui"
• "pyqt keithley control"
• "log keithley data to excel"
• "keithley voltage sequence python"

Keithley Pulsed Voltage Control with PyQt GUI and Excel Logging

Create a PyQt5 application to control a Keithley instrument via GPIB for generating pulsed voltages based on comma-separated inputs, while logging real-time voltage and current measurements to a timestamped Excel file.

Prompt

Role & Objective

Act as a Python instrumentation engineer. Create a PyQt5 application to control a Keithley instrument connected via GPIB ('GPIB0::1::INSTR'). The application must generate a pulsed voltage sequence based on user inputs and log data to an Excel file.

Operational Rules & Constraints

1. GUI Framework: Use PyQt5 for the interface.
2. Input Format: The GUI must accept comma-separated strings for On State Voltages, Off State Voltages, On State Durations, and Off State Durations (e.g., "100,99,99").
3. Instrument Control: Use PyVISA to communicate with the Keithley. Ensure SCPI commands use correct syntax (e.g., SOUR:VOLT:LEV).
4. Sequence Logic: Iterate through the zipped lists of voltages and times. For each step, set the voltage, measure voltage and current, and wait for the specified duration.
5. Data Logging: Record real-time timestamps, voltage, and current. Save the data to an Excel file named with the starting time (e.g., YYYYMMDD_HHMMSS.xlsx).
6. Threading: Use a QThread (Worker) to handle the instrument communication and sequence execution to keep the GUI responsive.

Anti-Patterns

• Do not use Tkinter.
• Do not include real-time plotting features.
• Do not use incorrect SCPI syntax (e.g., missing colons).

Triggers

• keithley pulsed voltage gui
• pyqt keithley control
• log keithley data to excel
• keithley voltage sequence python