Tektronix Keithley 2657A Quick Start Manual
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Tektronix Keithley 2657A Quick Start Manual

Tektronix Keithley 2657A Quick Start Manual

High power sourcemeter instrument
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Model 2657A High Power
SourceMeter Instrument
Quick Start Guide

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Summary of Contents for Tektronix Keithley 2657A

  • Page 1 Model 2657A High Power SourceMeter Instrument Quick Start Guide...

  • Page 2: Safety Precautions

    Safety precautions overvoltages often associated with local AC mains connections. Certain Keithley measuring instruments may be connected to mains. These instruments will be marked as category II The following safety precautions should be observed before using this product and any or higher.
  • Page 3 Do not touch any object that could provide a current path to the common side of the circuit under The WARNING heading in the user documentation explains hazards that might result test or power line (earth) ground. Always make measurements with dry hands while standing on in personal injury or death.
  • Page 4 Power and environmental ratings CAUTION For indoor use only. 100 V ac to 240 V ac, 50 Hz to 60 Hz Power supply Carefully consider and configure the appropriate output‑off state, source levels, and compliance levels Maximum VA before connecting the instrument to a device that can deliver energy.
  • Page 5 Introduction The Model 2657A System SourceMeter™ Instrument is a Software for the 2657A instrument is also available for high-power source measure unit (SMU) that characterizes download from the Keithley web page at tek.com/keithley. and tests high voltage electronics. It helps you improve You can search for the specific software you need.

  • Page 6: Unpack And Inspect The Instrument

    Unpack and inspect the instrument 3. Remove the packaging insert. 4. Carefully lift the 2657A instrument out of the box. To unpack and inspect the instrument: 5. Inspect the instrument for any obvious signs of 1. Inspect the box for damage. physical damage.
  • Page 7 You receive the 2657A with these accessories and documents: Rack-mount kit Green and yellow ground cable Interlock DB-25 male connector kit hardware RJ45 LAN crossover cable Power line cord Model 2657A Quick Start Guide (not shown, this document) Safety supplement (not shown) Safety precautions (not shown) Items shipped may vary from items pictured here.

  • Page 8: Connect The Instrument

    Connect the instrument • Cover the device under test (DUT) to protect the operator from flying debris in the event of a system or DUT failure. Important test system safety information • Make sure any test fixture connected to the system protects the operator from contact with hazardous This product is sold as a stand-alone instrument that may voltages, hot surfaces, and sharp objects.

  • Page 9: Install The Instrument

    • In many systems, during power up, the outputs may be in Connect protective earth (safety ground) to the rear panel of an unknown state until they are properly initialized. Make the 2657A. sure the design can tolerate this situation without causing WARNING operator injury or hardware damage.
  • Page 10 The interlock line is enabled when it is pulled high through a A +5.0 V pin is also available on the digital I/O connector switch to > +4 V. To drive the interlock pin high, the external (pin 22). To use the interlock, connect the 5 V pin and the supply must supply a minimum of 50 mA.
  • Page 11 If there are multiple points of operator access in the test system, each point should have a separate relay wired in series with the interlock. Using a series connection ensures operator safety if an attempt is made to access the circuit while hazardous voltages are present.

  • Page 12: Connect Line Power

    Connect line power CAUTION The 2657A operates from a line voltage of 100 V to 240 V Operating the instrument on an incorrect line voltage at frequency of 50 Hz or 60 Hz. Make sure the operating may cause damage to the instrument, possibly voiding voltage in your area is compatible.

  • Page 13: Turn On The Instrument

    Turn on the instrument Power-up sequence When the instrument is turned on, you should see: Turn on the instrument by pressing the front-panel POWER switch to the on (|) position. • A series of dots • All segments of the display light •...

  • Page 14: Test The Instrument

    Test the instrument Step 1: Set source function, range, and level 1. Press the SRC key. The following test verifies basic operation of the 2657A. In You will see a blinking character in the SrcA value field. this test, you use the front-panel controls shown below to Confirm that the value of volts (V) is displayed;...
  • Page 15 5. Use the navigation wheel to set the limit to 10 mA. 3. Press the CURSOR keys to move the cursor to the 10s digit. 6. Press the navigation wheel again or press ENTER to enter the selected value and exit EDIT mode. 4.
  • Page 16 AUTO 2. Press the key as many times as needed to select the NOTE AUTO range function. When AUTO is selected, the 2657A automatically selects the best range for the measured value. You will briefly see the display shown below, and then the These steps confirm basic functionality of your instrument.

  • Page 17: Next Steps

    To configure the line frequency from the front panel: To recover from this error, properly enable the interlock using a safe test fixture, and then turn on the 2657A output. See 1. Press the MENU key. “Wiring the interlock” on page 9 for additional information 2.
  • Page 18 Contact information: 1-800-833-9200 For additional contacts, see https://www.tek.com/contact-us Find more valuable resources at TEK.COM. Copyright © 2021, Tektronix. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material.

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