Keithley SourceMeter 2657A Quick Start Manual
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Keithley SourceMeter 2657A Quick Start Manual

High power system instrument
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Model 2657A High Power
System SourceMeter
Instrument
®
Quick Start Guide

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Summary of Contents for Keithley SourceMeter 2657A

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

  • Page 2: Safety Precautions

    Observe the following safety precautions before using this product and any associated Keithley Instruments products are designed for use with electrical signals that are rated instrumentation. Although some instruments and accessories would normally be used Measurement Category I and Measurement Category II, as described in the with nonhazardous voltages, there are situations where hazardous conditions may be International Electrotechnical Commission (IEC) Standard IEC 60664.
  • Page 3 Do not connect switching cards directly to unlimited power circuits. They are intended Chassis connections must only be used as shield connections for measuring circuits, to be used with impedance-limited sources. NEVER connect switching cards directly to NOT as safety earth ground connections. AC mains.

  • Page 4: Power And Environmental Specifications

    (note that selected parts should be purchased only through Altitude Maximum 2000 m above sea level Keithley Instruments to maintain accuracy and functionality of the product). If you are Operating 0 °C to 50 °C, 70% relative humidity up to 35 °C.

  • Page 5: Cd-Rom Contents

    ™ The User’s and Reference manuals are in PDF format on the  Keithley I/O layer and release notes CD-ROM that is included with the instrument. If you do not have For the latest drivers and additional support information, see...

  • Page 6: Unpack And Inspect The Instrument

    Unpack and inspect the instrument To unpack and inspect the instrument: 1. Inspect the box for damage. 2. Open the top of the box.
  • Page 7 3. Remove the packaging insert. 4. Carefully lift the Model 2657A instrument out of the box. 4. Inspect the instrument for any obvious signs of physical damage. Report any damage to the shipping agent immediately.
  • Page 8 In addition to the Model 2657A High Power System SourceMeter ® Instrument, you should have received: Optional rack-mount kit Power line cord Green and yellow ground cable (CA-568-120) RJ45 LAN crossover cable Interlock DB-25 male connector kit hardware Model 2657A Quick Start Guide (not shown, this document) Model 2657A Product Information and Test Script Builder CD-ROMs (not shown) Safety Precautions (not shown)

  • Page 9: Connect The Instrument

    30 V RMS and 42.4 V peak, or 60 V DC  Make sure all connections are behind a locked cabinet door or for equipment rated for dry locations. Keithley Instruments. other barrier. This protects the system operator from accidentally products are only rated for dry locations.

  • Page 10: Install The Instrument

    Install the instrument  Use high-reliability fail-safe interlock switches to disconnect power sources when a test fixture cover is opened.  Where possible, use automatic handlers so operators are not The Model 2657A can be used on a bench or in a rack. Please see the required to access the DUT or other potentially hazardous areas.
  • Page 11 Wiring the interlock The interlock line is pin 24 of the digital input/output connector on the rear panel of the Model 2657A. The Model 2657A is a high voltage instrument that can output hazardous live voltages. It is designed to be used with a test fixture or in a system in which operators are not exposed to such hazardous voltages.
  • Page 12 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. The Model 2657A is provided with an interlock circuit that must be positively activated in order for the high voltage output to be enabled.

  • Page 13: Connect Line Power

    Connect line power To connect line power: 1. Make sure the front panel power switch is in the off (0) position. The Model 2657A operates from a line voltage of 100 V to 240 V at a 2. Connect the socket of the supplied power cord to the power frequency of 50 Hz or 60 Hz.

  • Page 14: Turn On The Instrument

    ON (|) position.  Five dots  All segments of the display light  A brief display showing “KEITHLEY Model 2657A”  Other startup checks The entire power-up process takes approximately 30 seconds to complete. When initialization is complete, you will see the default...

  • Page 15: Test The Instrument

    Test the instrument Step 1: Set source function, range, and level 1. Press the SRC key. You will see a blinking character in the SrcA value field. Confirm that the value of volts (V) is displayed; The following test verifies basic operation of the Model 2657A. In this test, you will use the front-panel controls shown below to source if not, press the SRC key again.
  • Page 16 6. Press the navigation wheel again or press ENTER to enter the 4. Press the navigation wheel to enter EDIT mode. The EDIT selected value and exit EDIT mode. indicator appears in the upper left corner of the display. 5. Turn the navigation wheel to set the source value to 100.0000 V, and then press the navigation wheel to enter the...
  • Page 17 Step 5: Observe measurements 2. Press the key as many times as needed to select the AUTO range function. When AUTO is selected, the Observe the measured voltage on the main area of front panel Model 2657A automatically selects the best range for the display.
  • Page 19 The Model 2657A requires a line voltage of 100 V AC to 240 V AC (±10%) and a line frequency of either 50 Hz or 60 Hz. Keithley Instruments configures the Model 2657A to the line frequency appropriate to the final shipping destination of the instrument.
  • Page 20 How do I adapt triaxial connections to coaxial connection for high-voltage applications? Use the optional cable assembly (Keithley Instruments part number SHV-CA-553) that converts a high-voltage triaxial connector to a safe high-voltage (SHV) connector. What should I do if I get an 802 interlock error? You will receive error code 802, “Output blocked by interlock,”...

  • Page 21: Next Steps

    Refer to the Model 2657A Reference Manual for detailed information about all features of the instrument. This manual is on the Product Information CD-ROM that came with your instrument. Keithley Instruments website www.keithley.com for support and additional information about the instrument.

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