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Tektronix KEITHLEY 707B User Manual
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Tektronix KEITHLEY 707B User Manual

Tektronix KEITHLEY 707B User Manual

Switching system
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Models 707B and 708B
Switching System
USER' S MANUAL
*P707B-900-01D*
707B-900-01D
January 2025

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Summary of Contents for Tektronix KEITHLEY 707B

  • Page 1 Models 707B and 708B Switching System USER' S MANUAL *P707B-900-01D* 707B-900-01D January 2025...
  • Page 2 Models 707B and 708B Switching System User's Manual...
  • Page 3 © 2025, Keithley Instruments, LLC Cleveland, Ohio, U.S.A. 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, LLC, is strictly prohibited. These are the original instructions in English. and TSP-Link are trademarks of Keithley Instruments, LLC.

  • Page 4: Safety Precautions

    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 personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury.
  • Page 5 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. Maximum signal levels are defined in the specifications and operating information and shown on the instrument panels, test fixture panels, and switching cards.

  • Page 6: Table Of Contents

    Table of contents Introduction ....................... 1-1 Introduction to this manual ....................1-1 Extended warranty ....................... 1-1 Contact information ......................1-1 Additional resources ......................1-2 General ratings ........................1-2 Installation ......................... 2-1 Introduction .......................... 2-1 Dimensions .......................... 2-1 Weights ..........................2-5 Fixed rack installation ......................
  • Page 7 Table of contents Models 707B and 708B Switching System User's Manual Specify a channel ......................... 4-3 Channel types ........................... 4-3 Matrix card channel specifiers ....................4-3 Operate a channel from the front panel ................4-4 Crosspoint display (Model 707B only) ................. 4-5 Select and close channels using the crosspoint display ............

  • Page 8: Introduction

    Contact information If you have any questions after you review the information in this documentation, please contact your local Tektronix office, sales partner, or distributor. You can also call the Tektronix corporate headquarters (toll-free inside the U.S. and Canada only) at...

  • Page 9: Additional Resources

    Section 1: Introduction Models 707B and 708B Switching System User's Manual Additional resources The documentation for the Models 707B and 708B is available at tek.com/keithley. The documentation includes: • Quick Start Guide: Provides unpacking instructions, describes basic connections, reviews basic operation information, and provides a quick test procedure to ensure the instrument is operational.

  • Page 10: Installation

    Section 2 Installation In this section: Introduction ................2-1 Dimensions ................2-1 Weights ..................2-5 Fixed rack installation ............... 2-6 Digital I/O port ................2-8 Connect line power ..............2-11 Power-up sequence ............... 2-12 Introduction This section provides information on installing the 707B or 708B. It includes dimensions, weights, rack installation, digital I/O port, and power up information.
  • Page 11 Section 2: Installation Models 707B and 708B Switching System User's Manual Figure 1: Dimensions - 707B top view Figure 2: Dimensions - 707B side view 707B-900-01 Rev. D January 2025...
  • Page 12 Models 707B and 708B Switching System User's Manual Section 2: Installation Figure 3: Dimensions - 707B front view 707B-900-01 Rev. D January 2025...
  • Page 13 Section 2: Installation Models 707B and 708B Switching System User's Manual Figure 4: Dimensions - 708B top view Figure 5: Dimensions - 708B side view 707B-900-01 Rev. D January 2025...

  • Page 14: Weights

    Models 707B and 708B Switching System User's Manual Section 2: Installation Figure 6: Dimensions - 708B front view Weights With cards installed, the 707B or 708B weighs more than 23 kg (51 lb) and requires a two-person lift. The weights of the Models 707B and 708B are provided in the following table. Component Weight 707B (no cards installed)

  • Page 15: Fixed Rack Installation

    Section 2: Installation Models 707B and 708B Switching System User's Manual Fixed rack installation The Model 708B ships with a rack-mount kit that includes instructions titled Model 4299-6 Full-Rack Single-Unit Rack-Mount Kit Installation Instructions. The instructions are also available at tek.com/keithley. Refer to those instructions for 708B installation information. The Model 707B ships with a rear fixed rack mounting kit that is intended for mounting in a 48.26 cm wide ×...

  • Page 16: Mainframe Installation

    Models 707B and 708B Switching System User's Manual Section 2: Installation To prepare the rack for Model 707B installation: 1. Select a location in the cabinet. In most cases, the weight of the instrument dictates a position in the lower half of the rack. The Model 707B fills 35.56 cm (14 in.) of vertical space.

  • Page 17: Digital I/O Port

    Section 2: Installation Models 707B and 708B Switching System User's Manual Digital I/O port The Models 707B and 708B have a digital input/output port that can be used to control external digital circuitry. For example, a handler that is used to perform binning operations can be used with a digital I/O port.

  • Page 18: Connect Cables

    Models 707B and 708B Switching System User's Manual Section 2: Installation Connect cables Use a cable equipped with a standard male DB-25 connector (L-com part number CSMN25MF-5). Digital I/O lines The port provides 14 digital I/O lines (pins 1 through 14). Each output is set high (+5 V) or low (0 V) and can read high or low logic levels.

  • Page 19: Digital I/O Bit Weighting

    Section 2: Installation Models 707B and 708B Switching System User's Manual To set digital I/O values from the front panel: 1. Press the MENU key, select DIGIO, and then press the ENTER key or press the navigation wheel . 2. Select DIG-IO-OUTPUT, and then press the navigation wheel . 3.

  • Page 20: Connect Line Power

    Models 707B and 708B Switching System User's Manual Section 2: Installation Connect line power The Model 707B or 708B operates from a line voltage of 100 V to 240 V at a frequency of 50 Hz or 60 Hz. Line voltage is automatically sensed (there are no switches to set). Make sure the operating voltage in your area is compatible.

  • Page 21: Power-Up Sequence

    Section 2: Installation Models 707B and 708B Switching System User's Manual Power-up sequence When the instrument is turned on, the instrument performs self-tests and momentarily lights all segments and indicators on the display. If a failure is detected, the instrument momentarily displays an error message.

  • Page 22: Instrument Description

    Section 3 Instrument description In this section: Front-panel operation ............... 3-1 Rear-panel overview .............. 3-16 Save the present configuration ..........3-18 Front-panel operation The front panel of the Keithley Model 707B or 708B contains: • The display • The crosspoint display (Model 707B only) •...

  • Page 23: Model 707B Front Panel

    Section 3: Instrument description Models 707B and 708B Switching System User's Manual Model 707B front panel The front panel of the Model 707B is shown in the following figure. Figure 9: 707B front panel 707B-900-01 Rev. D January 2025...

  • Page 24: Model 708B Front Panel

    Models 707B and 708B Switching System User's Manual Section 3: Instrument description Model 708B front panel The front panel of the Model 708B is shown in the following figure. Figure 10: 708B front panel Display This section describes the front-panel display of the Model 708B and the bottom display of the Model 707B.
  • Page 25 Section 3: Instrument description Models 707B and 708B Switching System User's Manual The control status is shown in the upper left corner of the display. If REM is displayed, the instrument is being controlled remotely (through GPIB, LAN, or USB). If you are connecting to the instrument through GPIB, you may also see the following indicators: •...

  • Page 26: Crosspoint Display (Model 707B Only)

    Models 707B and 708B Switching System User's Manual Section 3: Instrument description Display during setup During setup, the display shows menu choices that you can use to configure the instrument. To use the menus, you use the navigation wheel to scroll through menu options. When a menu item is selected, it blinks.
  • Page 27 Section 3: Instrument description Models 707B and 708B Switching System User's Manual Figure 13: Model 707B crosspoint display The crosspoint display has a list of slots on the right. To the left of the slot list are lights that show you an overview of the cards in the slots of the instrument. Figure 14: Model 707B slot indicators The red lights indicate closed channels.

  • Page 28: Select Channels From The Front Panel

    Models 707B and 708B Switching System User's Manual Section 3: Instrument description The rows are labeled by default with the slot number following by the row number. For example, slot 1 would start with 1A, 1B and slot 2 would start with 2A, 2B. The columns are labeled by default as 01, 02, and so on.

  • Page 29: Keys And Navigation Wheel

    Section 3: Instrument description Models 707B and 708B Switching System User's Manual To choose a specific column in the selected row: 1. After choosing the row, press the navigation wheel. A column of red lights is displayed. 2. Turn the navigation wheel to go to the column. Note that scrolling through the columns does not scroll through slots as scrolling through rows does.
  • Page 30 Models 707B and 708B Switching System User's Manual Section 3: Instrument description DISPLAY key The DISPLAY key cycles between the following screens: • The channel display or pattern display. • The closed channel list. • The user screen text, which is set with the remote command display.settext(). When the closed channel listing is displayed, if the list of channels is longer than one screen, you can use the navigation wheel to scroll though the list of closed channels.
  • Page 31 Section 3: Instrument description Models 707B and 708B Switching System User's Manual Also refer to: • For detail on using OPEN ALL, STEP, OPEN, and CLOSE: “Close and open channels” in the Models 707B and 708B Reference Manual. • For detail on using LOAD and RUN: LOAD TEST menu options (on page 3-12).
  • Page 32 Models 707B and 708B Switching System User's Manual Section 3: Instrument description LAN status indicator The LAN status indicator is lit when the instrument is connected through the local area network (LAN). If this is not lit, the instrument is not connected through the LAN or there is a connection problem.

  • Page 33: Menu Options

    Section 3: Instrument description Models 707B and 708B Switching System User's Manual Menu options You can use the front-panel menus of the instrument to set up and run the instrument. LOAD TEST menu options You can run scripts and code from the front panel. The scripts and code can be created through a communications interface or saved from the SCRIPT >...
  • Page 34 Models 707B and 708B Switching System User's Manual Section 3: Instrument description Scan Attribute Menu options Use the options in this menu to configure scans from the front panel. To open this menu, press CONFIG, then press SCAN. Options include: •...
  • Page 35 Section 3: Instrument description Models 707B and 708B Switching System User's Manual PATTERN ACTION menu options You can use channel patterns as a convenient way to refer to a group of switching channels with a single name. When you perform close or open operations on a channel pattern, only the channels that are in the channel pattern are affected.

  • Page 36: Main Menu Options

    Models 707B and 708B Switching System User's Manual Section 3: Instrument description Options include: • BACKGROUND: Runs the scan while allowing front-panel operation. • CREATE: Reminder that you must use the INS key to create a scan list. • LIST: Displays the scan list. Use the navigation wheel to scroll through the channels.

  • Page 37: Rear-Panel Overview

    Section 3: Instrument description Models 707B and 708B Switching System User's Manual Rear-panel overview You make power and communications connections to the rear panel of the instrument. The connections available are described in the following table. The following figures show the locations of the connections.
  • Page 38 Models 707B and 708B Switching System User's Manual Section 3: Instrument description Figure 18: Model 707B rear panel Model 708B rear panel Figure 19: Model 708B full rear panel 707B-900-01 Rev. D January 2025 3-17...

  • Page 39: Save The Present Configuration

    Section 3: Instrument description Models 707B and 708B Switching System User's Manual Save the present configuration You can capture the present settings of the instrument using the create configuration script feature. When you run this feature, the configuration script is created and saved. You can run it later to return to that configuration, or set it up to be the autoexec script.
  • Page 40 Models 707B and 708B Switching System User's Manual Section 3: Instrument description A sample configuration script is shown in the following example. --Auto created configuration script Indicates that this was created with the Create Configuration Script feature --Tue Jul 13 13:02:12 2010 Date and timestamp if string.find(slot[1].idn, "7174") == nil then Code that verifies that...

  • Page 41: Create A Configuration Script

    Section 3: Instrument description Models 707B and 708B Switching System User's Manual Create a configuration script When you run the create configuration script feature, it automatically generates a user script that is saved to a script with a name that you define. Create configuration script is available from the front panel of the instrument, the web interface, and the remote interface.

  • Page 42: Run The Configuration Script

    Models 707B and 708B Switching System User's Manual Section 3: Instrument description To create a configuration script from the remote interface: Send the command: createconfigscript(name) Where name is the name you want to assign to the configuration script. Run the configuration script You can run the configuration using the same methods as any other script.

  • Page 43: Front-Panel Interface Overview

    Section 4 Front-panel interface overview In this section: Introduction ................4-1 Display ..................4-2 Specify a channel ..............4-3 Operate a channel from the front panel ........4-4 Crosspoint display (Model 707B only) ........4-5 View the close or open status of a channel ......4-8 Channel patterns ..............

  • Page 44: Display

    Section 4: Front-panel interface overview Models 707B and 708B Switching System User's Manual Display During operation, the 707B or 708B front-panel display provides information about the selected channel, channel pattern, channel state, and errors. You can press DISPLAY to cycle between the display of the channel or pattern, the closed channel list, or a screen message.

  • Page 45: Specify A Channel

    Models 707B and 708B Switching System User's Manual Section 4: Front-panel interface overview Specify a channel The channels on the matrix cards that you can use with the Model 707B or 708B are referred to by a channel specifier. You use the specifier to identify channels for use with close and open operations, scans, and channel patterns.

  • Page 46: Operate A Channel From The Front Panel

    Section 4: Front-panel interface overview Models 707B and 708B Switching System User's Manual Operate a channel from the front panel Hot switching can dry-weld reed relays, causing them to always be on. Hot switching is recommended only when external protection is provided. You can perform operations on a single channel from the front panel.

  • Page 47: Crosspoint Display (Model 707B Only)

    Models 707B and 708B Switching System User's Manual Section 4: Front-panel interface overview Crosspoint display (Model 707B only) The crosspoint display on the front panel of the Model 707B displays information about the slots that contain cards and the open and closed state of the channels for one card slot at a time.

  • Page 48: Select And Close Channels Using The Crosspoint Display

    Section 4: Front-panel interface overview Models 707B and 708B Switching System User's Manual Select and close channels using the crosspoint display From the front panel, you can change the display to show another card slot, choose a specific channel, and open and close channels. For the Model 707B, the crosspoint display shows you the status of the channels for one card at a time.

  • Page 49: Exercise: Select A Crosspoint On Slot 2

    Models 707B and 708B Switching System User's Manual Section 4: Front-panel interface overview Exercise: Select a crosspoint on slot 2 To select the crosspoint that is on slot 2, at row C and column 3: 1. When you are displaying slot 2, press the navigation wheel . The red lights for that slot are displayed.

  • Page 50: View The Close Or Open Status Of A Channel

    Section 4: Front-panel interface overview Models 707B and 708B Switching System User's Manual View the close or open status of a channel Closed channels are shown separated by commas after the CLS: characters on the display of the instrument. If no channels are closed, <none> is displayed here. If the list of closed channels extends past one screen, an arrowhead is displayed at the end of the line.

  • Page 51: Perform Close And Open Operations On Channel Patterns

    Models 707B and 708B Switching System User's Manual Section 4: Front-panel interface overview To create channel pattern TEST01 using channels that are presently closed: 1. Close the channels you want to include in the channel pattern. For this example, close channels 1A01, 1B02, and 1C03.

  • Page 52: Set Up Row, Column, And Channel Labels

    Section 4: Front-panel interface overview Models 707B and 708B Switching System User's Manual To close channel pattern TEST01 from the front panel: 1. Press the PATT key to display a channel pattern. 2. Use the navigation wheel to select TEST01, the channel pattern you want to close. Model 707B only: Note that when you select a pattern, on the crosspoint display, the lights for the channels included in the pattern are dimly lit.

  • Page 53: Exercise: Create A Row Label For Row D Using The Front Panel

    Models 707B and 708B Switching System User's Manual Section 4: Front-panel interface overview Exercise: Create a row label for row D using the front panel To create a row label for row D using the front panel: 1. If a pattern name is presently displayed on the bottom display, press CHAN to place the display in Channel view.

  • Page 54: Maintenance

    Section 5 Maintenance In this section: Upgrade the firmware ............... 5-1 Check fan status ..............5-2 Replace the fuse ..............5-2 Support contact information ............. 5-4 Upgrade the firmware You can upgrade the instrument firmware from the web interface. To upgrade the firmware from the web interface: 1.

  • Page 55: Check Fan Status

    Section 5: Maintenance Models 707B and 708B Switching System User's Manual Check fan status You can check the status of the fan from the front panel of the Model 707B. In addition, if the fan is not operating on power up, the message Failed to sense fan is displayed.
  • Page 56 Models 707B and 708B Switching System User's Manual Section 5: Maintenance Figure 27: 708B fuse module location Replacement fuses are listed in the following table. Replacement fuses Model Rating Keithley Instruments part number Manufacturer part number 707B 250 V, dual 2.0 A slow blow Two FU-106-2.0 Littelfuse 0218002.HXP 708B...

  • Page 57: Support Contact Information

    Support contact information If you have any questions after reviewing this information, please contact your local Tektronix office, sales partner, or distributor. You can also call the Tektronix corporate headquarters (toll-free inside the U.S. and Canada only) at 1-800-833-9200. For worldwide contact numbers, visit tek.com/contact-tek.
  • Page 58 Models 707B and 708B Switching System User's Manual Section 5: Maintenance To identify installed matrix cards from the web interface: 1. Select the Unit page. 2. In the Report area, select the slots that you want information about. 3. Select Firmware Revision. 4.

  • Page 59: About This Section

    Section 6 Troubleshooting FAQs In this section: About this section ..............6-1 How do I change the line frequency or voltage? ...... 6-1 Why doesn't the 4200A-SCS recognize the switch matrix? ..6-2 How do I run 707A or 708A software on the 707B or 708B? ..6-3 Where are the Matrix Ready and External Trigger lines? ..

  • Page 60: Why Doesn't The 4200A-Scs Recognize The Switch Matrix

    Section 6: Troubleshooting FAQs Models 707B and 708B Switching System User's Manual Why doesn't the 4200A-SCS recognize the switch matrix? To use the Models 707B and 708B with the 4200-SCS or 4200A-SCS, you must have DDC compatibility mode enabled and must communicate through GPIB. You can select one of two options when enabling Model 707A or 708A DDC compatibility mode: •...

  • Page 61: How Do I Run 707A Or 708A Software On The 707B Or 708B

    Models 707B and 708B Switching System User's Manual Section 6: Troubleshooting FAQs How do I run 707A or 708A software on the 707B or 708B? Verify that DDC compatibility mode is enabled. You can select one of two options when enabling Model 707A or 708A DDC compatibility mode: •...

  • Page 62: Why Doesn't The Model 707B Or 708B Recognize My Switch Card

    Section 6: Troubleshooting FAQs Models 707B and 708B Switching System User's Manual Why doesn't the Model 707B or 708B recognize my switch card? Card is not correctly seated in the slot Make sure the card is seated correctly: 1. Remove power from the instrument. 2.

  • Page 63: Why Are The Switch Relays Not Closing

    Models 707B and 708B Switching System User's Manual Section 6: Troubleshooting FAQs To check the forbidden state of a channel from the web interface: 1. From the list on the left, select the slot that contains the channel. 2. Right-click the channel. The Channel Configuration dialog is displayed. Figure 28: Channel configuration dialog 3.

  • Page 64: How Do I Save The Present State Of The Instrument

    Section 6: Troubleshooting FAQs Models 707B and 708B Switching System User's Manual How do I save the present state of the instrument? Use the Create Config Script option or the command createconfigscript. Refer to Save the present configuration (on page 3-18). How do I access the internal web page of the instrument? Ensure that the instrument has been assigned a valid IP address.

  • Page 65: Next Steps

    Section 7 Next steps In this section: Next steps ................7-1 Next steps For more detailed information about the Model 707B or 708B, refer to the Keithley Models 707B and 708B Reference Manual, part number 707B-901-01, available at tek.com/keithley. If you are migrating from a Keithley Model 707A or 708A and want to use the native commands for the Model 707B or 708B, refer to "Migrating from Models 707A and 708A"...
  • Page 66 Specifications are subject to change without notice. All Keithley trademarks and trade names are the property of Keithley Instruments. All other trademarks and trade names are the property of their respective companies. Keithley Instruments • 28775 Aurora Road • Cleveland, Ohio 44139 • 1-800-833-9200 • tek.com/keithley 04/2022...

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