KEITHLEY 2636A MANUAL PDF

Cleveland, Ohio, U. All rights reserved. Any unauthorized reproduction, photocopy, or use of the information herein, in whole or in part, without the prior written approval of Keithley Instruments, Inc. Safety precautions The following safety precautions should be observed before using this product and any associated instrumentation. Although some instruments and accessories would normally be used with nonhazardous voltages, there are situations where hazardous conditions may be present.

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Cleveland, Ohio, U. All rights reserved. Any unauthorized reproduction, photocopy, or use of the information herein, in whole or in part, without the prior written approval of Keithley Instruments, Inc. Safety precautions The following safety precautions should be observed before using this product and any associated instrumentation.

Although some instruments and accessories would normally be used with nonhazardous voltages, there are situations where hazardous conditions may be present. This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury.

For safety, instruments and accessories must be used in accordance with the operating instructions. If the instruments or accessories are used in a manner not specified in the operating instructions, the protection provided by the equipment may be impaired. Do not exceed the maximum signal levels of the instruments and accessories, as defined in the specifications and operating information, and as shown on the instrument or test fixture panels, or switching card. Table of Contents Introduction A-1 Introduction C Confirming port numbers C Selecting a LAN interface protocol C VXI connection F-1 Series B display character codes F-1 Model emulation G-1 Model emulation Section 1 Introduction In this section: Welcome Section 2 General operation In this section: General ratings Make connections to the Series B through connectors on the rear panel on page Front panel The front panel of the Series B is shown below.

The descriptions of the front-panel controls, USB port, and indicators follow the figure. Power switch, display and configuration keys Power switch. The in position turns the Series B on I ; the out position turns it off O. Toggles between the various source-measure displays and the user message mode. Configures a function or operation. Press the navigation wheel to enter EDIT mode. Range keys Selects the next higher source or measure range. Enables or disables source or measure autorange.

Selects the next lower source or measure range. Display indicators not shown The items listed below represent the possible display indicators and their meanings.

The descriptions of the rear-panel components follow the figure. The Models B and B have an output enable pin. Power module Contains the AC line receptacle and power line fuse. The rear exhaust vent and either the top or both side intake vents must be unobstructed to properly dissipate heat. Even partial blockage could impair proper cooling. DO NOT position any devices adjacent to the Series B that force air heated or unheated toward its cooling vents or surfaces.

When proper connections are made, the instrument chassis is connected to power-line ground through the ground wire in the power cord. In addition, a protective earth safety ground connection is provided through a screw on the rear panel.

This detected line frequency is used for aperture NPLC calculations. In noisy environments, you can manually configure the instrument to match the actual line frequency.

To configure the line frequency from the front panel: 1. Rotate the navigation wheel clockwise or counter-clockwise to highlight an option. For other menu items, see Configuration menus on page Figure 6: Main menu tree BS Rev. To access a menu option, press the MENU key, turn the navigation wheel to move the cursor to select an item, and press the navigation wheel. For directions on navigating the menu, see Menu navigation on page For other menu items, see Main menu on page The following table contains descriptions of the configuration menus, as well as cross-references to related information.

To select a menu for single SMU instruments, press the CONFIG key and then the front-panel key associated with the menu see the description column in the following table.

To set a value to zero, press the numeric entry key. The EDIT indicator is illuminated. Change the compliance value see Setting values on page Refer to Display operations on page for more information about the display. The full range of operation is explained in Operating boundaries on page Pressing the LIMIT key while in limit edit mode will toggle the display between the complementary function limit and the power limit display.

Configure recommended instrument settings before making connections to the device. To ensure accuracy of readings, the instrument must periodically obtain fresh measurements of its internal ground and voltage reference. Separate reference and zero measurements are used for each aperture. As summarized in the "Autozero settings" table, there are three different settings for autozero.

For example, send the following command to activate channel A automatic reference measurements: smua. Press the SRC key as needed to select the voltage source or current source, as indicated by the units in the source field on the display. The flashing digit cursor indicates which value is presently selected for editing. Press the TRIG key if necessary to trigger the instrument to begin taking readings. The readings are on the top line, and source and limit values are on the bottom line.

The following programming example illustrates how to request a Channel A current reading: print smua. The following figure shows the general sequence for measurement triggering. Basic ohms measurement procedure When you use the MODE key to select ohms measurement, the Series B is automatically configured as a current source with a level of 1 mA. To prevent electrical shock that could cause injury or death, never make or break connections to the Series B while the output is on.

Power off the equipment from the front panel or disconnect the main power cord from the rear of the Series B before handling cables connected to the outputs.

For a more complete description of these commands, refer to the TSP command reference on page For connection information, refer to Contact check connections on page To recall a saved setup from the front panel: 1. Press the MENU key to access the main menu. Use the setup. Voltage source and measure accuracy are optimized by using 4-wire remote sense connections.

When sourcing voltage, 4-wire remote sensing ensures that the programmed voltage is delivered to the DUT. This allows the source terminal to be biased above signal LO. Use care when combining SMU channels. The following figure illustrates a Model B configured with the two channels connected in series to output up to V V per channel.

Combining the two Series B instrument channels expands the power envelope. The following figures illustrate test connections for these models. Use 18 AWG wire or larger for connections to protective earth safety ground and chassis. The purpose of guarding is to eliminate the effects of leakage current and capacitance that can exist between HI and LO. Low-level signals may benefit from effective shielding. The metal noise shield surrounds the test circuit and should be connected to LO, as shown.

The noise shield is connected to LO. The test fixture can be a metal or nonconductive enclosure, and is typically equipped with a lid. When properly used, the output of the Series B will turn off when the lid of the test fixture is opened.

The test circuit is mounted inside the test fixture. A nonconductive test fixture must be constructed of materials that are suitable for flammability, voltage, and temperature conditions that may exist in the test circuit.

The default sense setting is 2-wire local. Front panel sense mode selection To check or change the sense mode from the front panel: 1. Internally, the V-Source is selected and set to 0 V.

Current compliance is set to the programmed Source I value or to 10 percent full-scale of the present current range, whichever is greater. Measurements are performed and displayed. In most cases, this source or sink power level is not significant. To configure the output-off function from the front panel: 1.

You can save data to the USB flash drive from the front panel, or you can create a script to save data to the USB flash drive.

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Keithley 2636A Manuals

Without the device itself it is going to be quite hard to see this error and work out what might be causing it. I found the following post on a Keithley forum that seems to cover the same error:. The link to the reference manual did not work for me but I have found a copy of the A reference manual here:. Other than that I would check all of the actions that you are performing with the device to see if there are any conflicts where the same resource is needed for several tasks which could bring about an error such as this. I didn't check your program, but the waitcomplete command could help you.

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Keithley 2636A Sourcemeter, 2 Ch, ±1 nA → ±10 A ±200 mV → ±200 V 30.3 W, 2600 Series

RS Stock No. Image representative of range only. Product Details. Find alternative products. View Basket. Add to a parts list. Technical Reference.

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