Keithley 7015-S Instruction Manual
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Keithley 7015-S Instruction Manual

Keithley 7015-S Instruction Manual

40-channel solid-state multiplexer cards
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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 Instruction Manual Models 7015-S and 7015-C 40-Channel Solid-State Multiplexer Cards Contains Operating and Servicing Information 7015-901-01 Rev. A / 6-93 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 3 Keithley Instruments, Inc. • 28775 Aurora Road • Cleveland, OH 44139 • 440-248-0400 • Fax: 440-248-6168 • http://www.keithley.com CHINA: Keithley Instruments China • Yuan Chen Xin Building, Room 705 • 12 Yumin Road, Dewai, Madian • Beijing 100029 • 8610-62022886 • Fax: 8610-62022892 FRANCE: Keithley Instruments SARL •...
  • Page 4 Models 7015-S and 7015-C Instruction Manual ©1993, Keithley Instruments, Inc. All Rights Reserved Cleveland, Ohio, U. S. A. First Printing June 1993 Document Number: 7015-901-01 Rev. A Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 5 Revision A (Document Number 7015-901-01) ...................June 1993 All Keithley product names are trademarks or registered trademarks of Keithley Instruments, Inc. Other brand and product names are trademarks or registered trademarks of their respective holders.
  • Page 6 (IEC) Standard IEC 664, digital multimeter measuring circuits The types of product users are: (e.g., Keithley Models 175A, 199, 2000, 2001, 2002, and 2010) are Installation Category II. All other instruments’ signal terminals are Responsible body is the individual or group responsible for the use Installation Category I and must not be connected to mains.
  • Page 7 NOT as safety earth ground connections. leads, and input jacks, must be purchased from Keithley Instru- ments. Standard fuses, with applicable national safety approvals, If you are using a test fixture, keep the lid closed while power is ap- may be used if the rating and type are the same.
  • Page 8 7015-C: 96-pin male DIN connector. Bank: >10 Ω, <50 pF. Channel to Channel: >10 7015-S: Screw terminal, #16AWG maximum wire size, with .092 inch Ω, <100pF. Differential: Configured as 1×10: >10 O.D. 28 conductors per card maximum. #22AWG typical wire size Ω, <200pF.

  • Page 9: Table Of Contents

    Table of Contents General Information Introduction ................................1-1 Features ................................1-1 Warranty information............................1-1 Manual addenda ..............................1-2 Safety symbols and terms ............................ 1-2 Specifications ............................... 1-2 Unpacking and inspection ............................ 1-2 1.7.1 Inspection for damage ..........................1-2 1.7.2 Shipment contents ............................1-2 1.7.3 Instruction manual............................
  • Page 10 Card Connections & Installation Introduction ................................3-1 Handling precautions............................3-1 Connections ................................3-1 3.3.1 Bank-to-bank jumpers ..........................3-2 3.3.2 Backplane jumpers ............................3-3 3.3.3 Screw terminal connector card ........................3-4 3.3.4 Multi-pin (mass termination) connector card ....................3-6 Typical connection schemes..........................3-10 3.4.1 Single card system............................3-10 3.4.2 Two-card system ............................3-13 3.4.3 Multiple-card systems ..........................3-13 3.4.4...
  • Page 11 Special handling of static-sensitive devices....................... 5-13 Principles of operation ............................5-13 5.5.1 Block diagram ............................5-13 5.5.2 ID data circuits ............................5-14 5.5.3 Relay control .............................. 5-15 5.5.4 Power-on safeguard............................ 5-15 Troubleshooting ..............................5-16 5.6.1 Troubleshooting equipment ........................5-16 5.6.2 Troubleshooting access ..........................
  • Page 12 List of Illustrations Multiplexing Basics Figure 2-1 Model 7015 simplified schematic ......................2-2 Four 1 × 10 multiplexer configuration (jumpers not installed) ..............2-3 Figure 2-2 Two 1 × 20 multiplexer configuration (jumpers installed) ................ 2-3 Figure 2-3 One 1 × 40 multiplexer configuration (jumpers installed) ................. 2-4 Figure 2-4 Figure 2-5 Model 7001/7002 analog backplane ......................
  • Page 13 Operation Figure 4-1 Channel status display ..........................4-2 Figure 4-2 Display organization for multiplexer channels................... 4-2 Figure 4-3 Model 7015 programming channel assignments ..................4-3 Figure 4-4 High-speed scanning connections....................... 4-6 Figure 4-5 Four-wire resistance testing........................4-8 Figure 4-6 Low-resistance testing ..........................4-9 Figure 4-7 Configuration for current gain test ......................
  • Page 14 List of Tables Card Connections & Installation Table 3-2 Bank-to-bank jumpers (on connector card)....................3-2 Table 3-3 Backplane jumpers (on relay card)......................3-3 Table 3-6 Multipin card terminal identification ......................3-6 Table 3-7 Mass termination accessories ........................3-7 Operation Table 4-7 Paired Channels in 4-pole Operation ......................

  • Page 15: General Information

    There are two basic versions of this multiplexer card; the Features Model 7015-S and the Model 7015-C. The Model 7015-S as- The Model 7015 is a solid-state, two-pole, quad, 1 × 10 mul- sembly consists of a screw terminal connector card and a re- tiplexer card.

  • Page 16: Manual Addenda

    1.7.3 Instruction manual If an additional instruction manual is required, order the Specifications manual package, Keithley part number 7015-901-00. The manual package includes an instruction manual and any per- Model 7015 specifications are found at the front of this man- tinent addenda.

  • Page 17: Repacking For Shipment

    7011-MTC-2 cable assembly. Model 7015-ST  This screw terminal connector card is identical to the one provided with the Model 7015-S assem- bly. An extra screw terminal connector card allows you to wire a second test system without disturbing the wiring con- figuration of the first connector card.

  • Page 18: Introduction

    Multiplexing Basics Introduction System expansion: Discusses the various configura- tions that are possible by using multiple cards. This section covers the basics for multiplex switching and is arranged as follows: Basic multiplexer configurations Basic multiplex configurations: Covers the basic multiplex configurations: quad 1 × 10 configuration, dual 1 A simplified schematic of the Model 7015 multiplexer card is shown in Figure 2-1.

  • Page 19: Multiplexer Bank-To-Bank Jumpers

    Multiplexing Basics 7015 Inputs Bank A Bank B Outputs Bank C Bank D Input (1 of 40) Jumpers Bank Backplane Jumpers (to 7001/7002 Analog Backplane) Bank to Bank Switching Topology Jumpers for all Channels (Solid State Switching) Note : Factory Configuration shown Figure 2-1 Model 7015 simplified schematic •...
  • Page 20 Multiplexing Basics Inputs Output A Bank A Output B Bank B Output C Bank C Output D Bank D Figure 2-2 Four 1 × 10 multiplexer configuration (jumpers not installed) Inputs Bank A Output A Jumpers Bank B Output C Bank C Jumpers Bank D...
  • Page 21 Multiplexing Basics Inputs Bank A Output A Jumpers Bank B Jumpers Bank C Jumpers Bank D Figure 2-4 One 1 × 40 multiplexer configuration (jumpers installed) Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 22: Backplane Jumpers

    Multiplexing Basics 2.2.2 Backplane jumpers The three-pole analog backplane of the Model 7001/7002 mainframe is shown in Figure 2-5. Through this analog back- There are four pairs of backplane jumpers located on the re- plane, the banks of a Model 7015 multiplexer card, installed lay card.

  • Page 23: Typical Multiplexer Switching Schemes

    Multiplexing Basics Typical multiplexer switching schemes Figure 2-6 shows how each bank of the Model 7015 is con- nected to the backplane. Notice that since the Model 7015 is The following paragraphs describe some basic switching a two-pole card, there is no connection made to the Guard schemes that are possible with a two-pole switching multi- terminal of the backplane.

  • Page 24: Figure 2-8 Differential Switching Example

    Multiplexing Basics Bank A-D Input 1-10 Optional Shield Source or 7015 Measure Figure 2-7 Single-ended switching example Bank A, B Input 1-10 Source or Bank C, D Input 1-10 Measure 7015 Figure 2-8 Differential switching example Bank A, B Input 1-10 Source HI Sense HI Sense LO...

  • Page 25: Multiplexer Expansion

    Multiplexing Basics Multiplexer expansion jumpers installed, the banks of the multiplexer card installed in slot 1 (CARD 1) are automatically connected to the banks With the use of additional switching cards and mainframes, of the multiplexer card installed in slot 2 (CARD 2) through larger systems can be configured.

  • Page 26: Mainframe Multiplexer Expansion

    Multiplexing Basics 7001/7002 Analog Backplane Card 1 Card 2 7015 7015 Bank A Bank B Bank C Bank D Quad 1x10 Multiplexers Quad 1x10 Multiplexers Backplane Jumpers installed Quad 1x20 Multiplexer Figure 2-11 Multiplexer input expansion example multiplexer banks. On the multiplexer card, the bank-to- bank jumpers must be removed to maintain isolation be- Mixing card types tween matrix rows.

  • Page 27: Figure 2-12 Mixed Card Type Example

    Multiplexing Basics Card 1 Card 2 7012 7015 Columns Inputs 7001/7002 Backplane Bank A Bank B Rows Bank C Bank D 4 x 10 Matrix Quad 1 x 10 Mux Notes : 1. Models 7015 and 7012 backplane jumpers must be installed. 2.

  • Page 28: Card Connections & Installation

    Card Connections & Installation Introduction Handling precautions WARNING To maintain high-impedance isolation, care should be taken when handling the relay card to avoid contamination from The procedures in this section are in- such foreign materials as body oils. Such contamination can tended only for qualified service person- substantially lower leakage resistances, thus degrading per- nel.

  • Page 29: Bank-To-Bank Jumpers

    *See Figure 3-1 for location. Bank-to-Bank Jumper Terminals Bank-to-Bank Jumper Terminals A. Screw Terminal Connector B. Multi-pin Connector Card Card (Model 7015-S) (Model 7015-C) Figure 3-1 Bank-to-bank jumper locations Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 30: Backplane Jumpers

    2. Physically remove a cut jumper by unsoldering the two from the factory with the jumpers installed. cut ends from the PC board. 3. Install a new #22 AWG jumper wire (Keithley P/N J- 15), and solder it to the PC board. Jumper removal 4.

  • Page 31: Screw Terminal Connector Card

    Card Connections & Installation 7015 Relay Card W100 W101 W102 W103 W104 W105 W106 W107 Backplane Jumpers Figure 3-4 Backplane jumpers 3.3.3 Screw terminal connector card The screw terminal connector card is shown in Figure 3-5. Connections are made directly to the screw terminals of the twelve terminal blocks.

  • Page 32: Figure 3-6 Typical Screw Terminal Connections

    Card Connections & Installation Wiring procedure #16 - 22 AWG Wires Perform the following procedure to wire circuitry to the Bank A screw terminal connector card: Output WARNING Make sure all power is off and that any CH 1 stored energy in external circuitry is dis- charged.

  • Page 33: Multi-Pin (Mass Termination) Connector Card

    DIN bulkhead connector, there is no need to separate the connector card from the relay card. If the connector card Keithley has a variety of cable and connector accessories is separated from the relay card, carefully mate them togeth- available to accommodate connections from the connector er and install the supplied 4-40 mounting screw.
  • Page 34 7011-MTC-2 Two-meter round cable assembly ter- minated with a 96-pin female DIN cable connection techniques using accessories available connector on each end. from Keithley. 7011-MTR 96-pin male DIN bulkhead connec- tor. In Figure 3-8A, connections are accomplished using a Model 7011 MTC-2 cable and a Model 7011-MTR bulkhead con- nector.

  • Page 35: Figure 3-8 Typical Round Cable Connection Techniques

    Card Connections & Installation Wire instrumentation and Multi-Pin DUT to bulkhead connector Connector (See Figure 3-9 and Table 3-3 Card for terminal identification) 7011-MTC-2 cable assembly 7011-MTR bulkhead connector Wire directly to Multi-Pin instrumentation Connector and DUT Card 7011-MTC-2 (Cut in Half) Wire directly to Multi-Pin instrumentation...

  • Page 36: Figure 3-9 Model 7011-Mtr Connector Pinout

    Card Connections & Installation View from solder cup side of connector Note : See Table 3-3 for terminal identification. Figure 3-9 Model 7011-MTR connector pinout Figure 3-10 Model 7011-KIT-R (with/cable) assembly Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 37: Typical Connection Schemes

    Card Connections & Installation Typical connection schemes ly to both the external bulkhead connector and the Model 7015-C multiplexer card assembly. Note that the bulkhead The following information provides some typical connection connector is shown mounted to a fixture to help keep the ca- schemes for single card, two-card and two-mainframe sys- bling stable during the test.

  • Page 38: Figure 3-11 Single-Card System Example (Multi-Pin Connector Card)

    Card Connections & Installation 7015-C HI and LO to Banks A and B Fixture for Instrument Bulkhead Connector HI and LO to Banks C and D Instrument 84 Individual Conductors 7011-MTC-2 Cable Assembly 7011-MTR Bulkhead Connector 20 1 DUT Test Fixture Notes: Bank-to-Bank jumpers installed as follows : Bank A connected to Bank B...

  • Page 39: Figure 3-12 Single Card System Example (Screw Terminal Connector Card)

    Card Connections & Installation 7015-S HI and LO to Banks A and B Instrument HI and LO to Banks C and D Instrument DUT Test Fixture Notes: Bank-to-bank jumpers installed as follows : Bank A connected to Bank B Bank C connected to Bank D...

  • Page 40: Two-Card System

    Card Connections & Installation 3.4.2 Two-card system 3.4.4 Two-mainframe system Both Figure 3-13 and Figure 3-14 show a system using two Both Figure 3-15 and Figure 3-16 show a system using three multiplexer cards installed in one Model 7001 mainframe to multiplexer cards installed in two Model 7001 mainframes to configure a single 1 ×...

  • Page 41: Figure 3-13 Two-Card System Example (Multi-Pin Connector Card)

    Card Connections & Installation HI and LO to Banks A thru D Instrument 7011-MTC-2 Cable Assembly 7001 (Cut in half to provide two cables) 7015C 7015C DUT Test Fixture Card 1 (1x40) Notes: 1. All bank-to-bank jumpers (both cards) must be installed. 2.

  • Page 42: Figure 3-14 Two-Card System Example (Screw Terminal Connector Card)

    Card Connections & Installation Instrument 164 individual conductors (#22 AWG) 7001 7015-S 7015-S DUT Test Fixture Card 1 (1x40) Notes: 1. All bank-to-bank jumpers (both cards) must be installed. 2. Backplane jumpers (both cards) must be installed. Instruments DUTs Card 2 (1x40)

  • Page 43: Figure 3-15 Two-Mainframe System Example (Multi-Pin Connector Card)

    Card Connections & Installation DUT Test Fixture 7011-Kit-R Connector Kit 7001 #2 Cable 7015-C Trigger Link Not Used Trigger Link Instrument Cable 7001 #1 7015-C Trigger Link 7011-MTC-2 Cable Assembly (Cut in half to 7015-C provide two cables) DUT Test Fixture 7001 #1 Card 1 (1x40) Notes: 1.

  • Page 44: Figure 3-16 Two-Mainframe System Example (Screw Terminal Connector Card)

    Card Connections & Installation DUT Test Fixture 7001 #2 7015-S Trigger Link Not Used Trigger Link Instrument Cable 244 Individual Conductors (#22 AWG) 7001 #1 7015-S Trigger Link 7015-S DUT Test Fixture 7001 #1 Card 1 (1x40) Notes: 1. Backplane jumpers for both cards installed in 7001 #1 must be installed.

  • Page 45: Model 7015 Installation And Removal

    3. Referring to Figure 3-17 or Figure 3-18 for Model 7015- C installation or Model 7015-S installation, feed the multiplexer card assembly into the desired slot such that NOTE the edges of the relay card ride in the rails.

  • Page 46: Figure 3-17 Model 7015 Card Installation In Model 7001

    IEEE - DIGITAL I/O CHANNEL EXTERNAL READY TRIGGER MADE IN USA LINE RATING KEITHLEY 7015-C SOLID STATE MULTIPLEXER 90 - 250 50 - 400 40VA TRIGGER LINK CAUTION: CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.

  • Page 47: Operation

    Operation Introduction To prevent damage to the solid-state relays, never exceed the following maximum signal levels: This section contains detailed information on operating the ± 175V peak between any two pins, 34mA resistive load, Model 7015 and is formatted as follows: 0.3VA max, 1 ×...

  • Page 48: Figure 4-1 Channel Status Display

    Operation as shown in the illustration. Model 7002 row assignments are To be consistent with Model 7001/7002 operation, the slot shown in parentheses. designator and mux input are separated by exclamation points (!). Some examples of CHANNEL assignments are as follows: To control the multiplexer (mux) card from the mainframe, each multiplexer input must have a unique CHANNEL as-...

  • Page 49: Front Panel Control

    Operation 1!10 1!11 1!12 1!13 1!14 1!15 1!16 1!17 1!18 1!19 1!20 1!21 1!22 1!23 1!24 1!25 1!26 1!27 1!28 1!29 1!30 A. Slot 1 (Card 1) 1!31 1!32 1!33 1!34 1!35 1!36 1!37 1!38 1!39 1!40 2!10 2!11 2!12 2!13 2!14 2!15...

  • Page 50: Ieee-488 Bus Operation

    Operation When a scan is performed, the channels specified in the scan commands. These commands are listed as follows: list will be scanned in the order that they are presented in the scan list. *RST :TRIGger:SEQuence:COUNt:AUTo ON :ROUTe:SCAN <list> A manual scan can be performed by using the RESET de- :INIT fault conditions of the Model 7001 or Model 7002.

  • Page 51: Multiplexer Applications

    Operation Multiplexer applications pole connection scheme shown, a total of 40 DUTs per card can be tested at high scanning rates (with break-before-make The following paragraphs discuss some typical applications off; Model 7002 only). The type of measurement can vary, for the Model 7015.

  • Page 52: Figure 4-4 High-Speed Scanning Connections

    Operation 7015 Input HI SENSE INPUT Ω 4 WIRE 350V 1100V PEAK PEAK 2001 MULTIMETER INPUTS 500V Input LO PEAK Ω2 Ω4 PREV FREQ TEMP DISPLA Y RANGE NEXT AUTO TRIG STORE RECALL FILTER MATH FRONT/REAR 2A 250V POWER AMPS RANGE INFO LOCAL...

  • Page 53: Resistor Testing

    Operation 4.4.2 Resistor testing Table 4-1 The Model 7015 can be used to test a number of resistors us- Paired Channels in 4-pole Operation ing only one test instrument or a group of instruments. Such 7001/7002 Channel tests include four-wire resistance measurements using a CHANNEL pair in Connection...

  • Page 54: Figure 4-5 Four-Wire Resistance Testing

    Operation 7015 Input HI Sense Ω SENSE INPUT Ω 4 WIRE 350V 1100V PEAK PEAK DUTs 2001 MULTIMETER (20) 500V INPUTS PEAK Ω2 Ω4 PREV FREQ TEMP DISPLAY RANGE NEXT AUTO FRONT/REAR TRIG STORE RECALL FILTER MATH 2A 250V AMPS POWER RANGE Input LO...

  • Page 55: Figure 4-6 Low-Resistance Testing

    Voltmeter measures the resulting voltage across the device. to reverse the current. See paragraph 4.4.4. Since low voltage levels are being measured, thermal EMF offsets generated by relay and connector contacts will have a 7015 KEITHLEY 182 SENSITIVE DIGITAL VOLTMETER TALK LSTN 182 Input...

  • Page 56: Testing With Matrix Cards

    Operation 4.4.3 Transistor current gain testing 4.4.4 Testing with matrix cards The DC or static common-emitter current gain of a transistor The Model 7015 can be added to a matrix switching system can be determined by biasing the transistor for a specific val- to enhance the test capabilities of that system.
  • Page 57 Operation 7015 SENSE Ω 4 WIRE INPUT 350V 1100V PEAK PEAK Measure 2001 MULTIMETER Amps 500V PEAK INPUTS Ω2 Ω4 PREV FREQ TEMP DISPLAY RANGE NEXT AUTO FRONT/REAR TRIG STORE RECALL FILTER MATH 2A 250V POWER AMPS RANGE INFO LOCAL CHAN SCAN CONFIG...

  • Page 58: Measurement Considerations

    Operation Backplane Jumpers DUTs Instruments (10) DUTs (10) DUTs (10) Rows DUTs (10) 7012 Matrix Card 7001/7002 Backplane 7015 Multiplexer Card Note : The 7015 Bank-to-Bank jumpers must be removed. Figure 4-8 Connecting multiplexer and matrix cards together Measurement considerations Thermoelectric generation Figure 4-9 shows a representation of how thermal EMFs are Many measurements made with the Model 7015 are subject...

  • Page 59: Channel Resistance

    Operation should be repeated whenever the range is changed for best accuracy. Voltmeter 4.5.2 Channel resistance Channel resistance is the equivalent resistance between the input and output terminals of the multiplexer card. With con- The thermal EMF developed by dissimilar metals A and B in a series circuit is: ventional mechanical relays, the channel resistance is gener- ally low enough to be negligible.

  • Page 60: Path Isolation

    Operation The effects of channel resistance can be minimized by fol- lowing a few basic rules: • When measuring resistance, use only the four-wire measurement technique for resistances less than PATH 100kΩ. • When measuring voltage, use an instrument with high input impedance.

  • Page 61: Magnetic Fields

    Operation 4.5.4 Magnetic fields RFI can be minimized in several ways. The most obvious method is to keep the equipment and signal leads as far away When a conductor cuts through magnetic lines of force, a from the RFI source as possible. Shielding the switching very small current is generated.

  • Page 62: Keeping Connectors Clean

    Operation Figure 4-14 shows how to connect several instruments to- in the air can be deposited on the insulator surface. To avoid gether to eliminate this type of ground loop problem. Here, these problems, never touch the connector insulating materi- only one instrument is connected to power line ground.

  • Page 63: Service Information

    Service Information Handling and cleaning precautions WARNING The information in this section is in- Because of the high-impedance areas on the Model 7015, tended only for qualified service person- care should be taken when handling or servicing the card to nel.

  • Page 64: Performance Verification

    Offset current, path isolation 1.6% 100V source; 0.2% Sensitive Digital Voltmeter Keithley Model 182 3mV; 60ppm Contact potential  Switching mainframe Keithley Model 7001 or 7002  Triax cable (unterminated) Keithley Model 7025 Offset current  Low thermal cable (unterminated) Keithley Model 1484 Contact potential Artisan Technology Group - Quality Instrumentation ...

  • Page 65: Multiplexer Card Connections

    4. Set the Model 2001 to the 2k Ω range, and connect the four test leads to the INPUT and SENSE jacks. Model 7015-S  Instrumentation can simply be hard-wired 5. Short the four test leads together and enable REL. Leave directly to the screw terminals of the connector card.

  • Page 66: Offset Current Tests

    Service Information Sense Ω HI Input HI SENSE INPUT Ω 4 WIRE 350V 1100V PEAK PEAK 2001 MULTIMETER INPUTS 500V PEAK Input LO Ω2 Ω4 PREV FREQ TEMP RANGE DISPLAY NEXT AUTO TRIG STORE RECALL FILTER MATH FRONT/REAR 2A 250V POWER AMPS RANGE...

  • Page 67: Figure 5-2 Differential And Common Mode Offset Current Test Connections

    Service Information Model 7025 Unterminated Triax Cable Bank Inputs INPUT HI (Red) LO (Black) Model 617 Bank (Measure Current) Outputs Note : Setup shown is configured to test Bank A pathways for offset current. Model 7015 A) Differential Model 7025 Unterminated Triax Cable Bank Inputs...

  • Page 68: Contact Potential Tests

    Model 1484 Low Thermal Cable Low thermal short. (Unterminated) Clean high purity copper (1 of 40) Bank Inputs KEITHLEY 182 SENSITIVE DIGITAL VOLTMETER Model 182 Bank Outputs Note : Setup shown is configured to test Bank A thru D relays for contact potential.

  • Page 69: Bank And Channel-To-Channel Isolation Tests

    Service Information 5.3.7 Bank and channel-to-channel isolation tests 4. Connect the electrometer to the Model 7015, as shown in Figure 5-4. Bank isolation tests check the leakage resistance between ad- 5. Install the Model 7015 in slot 1 of the Model 7001/7002, jacent banks.
  • Page 70 Service Information 11. On the Model 617, disable zero check, and press OPER- 23. Place the Model 617 voltage source in standby, and en- ATE to source +100V. able zero check. 12. After allowing the reading on the Model 617 to settle, verify that it is >1G Ω...

  • Page 71: Figure 5-5 Channel-To-Channel Isolation Test Connections

    Service Information Model 7025 Unterminated Triax Cable Banana to Banana Cable Jumper Ground Link Bank Inputs Removed INPUT (Red) Source V and Measure V/I Bank Model 617 Outputs Unterminated Banana Cables Note : Setup shown is configured to test isolation between path 1!1 and 1!2.
  • Page 72 Service Information Table 5-3 (continued) Channel-to-channel isolation test summary Test Channel number Channel-to-channel isolation Test equipment location closed* Bank B, Input 1 to Bank B, Input 2 Bank B and Input 1 1!12 Bank B, Input 2 to Bank B, Input 3 Bank B and Input 2 1!13 Bank B, Input 3 to Bank B, Input 4...

  • Page 73: Differential And Common-Mode Isolation Tests

    Service Information 5.3.8 Differential and common-mode isolation WARNING tests The following steps use high voltage (100V). Be sure to remove power from These tests check the leakage resistance (isolation) between the circuit before making connection HI (H) and LO (L) (differential), and from HI (H) and LO (L) changes.
  • Page 74 Service Information 12. Program the Model 7001/7002 to close Channel 1!1 Table 5-4 (continued) Differential and common-mode isolation testing (Bank A, Input 1). 13. On the Model 617, disable zero check, and press OPER- Test Differential or common Channel ATE to source +100V. number mode isolation closed*...

  • Page 75: Special Handling Of Static-Sensitive Devices

    Service Information Model 7025 Unterminated Triax Cable Banana to Banana Cable Ground Link Bank Inputs Removed Jumper INPUT (Red) Source V and Model 617 Measure V/I Bank Outputs Unterminated Banana Cable Note : Setup shown is configured to test isolation between Bank A and chassis ground.

  • Page 76: Id Data Circuits

    Service Information Solid State Relay Data Drivers User connections Relays To Mainframe Strobe U100- Enable K100-K179 U103, U105 ID CLK To Mainframe ID DATA U104 Figure 5-8 Model 7015 block diagram 5.5.2 ID data circuits 2. The mainframe sends the ROM address location to be read over the IDDATA line.

  • Page 77: Relay Control

    Service Information IDCLK IDDATA Start Bit Stop Bit Figure 5-9 Start and stop sequences IDCLK IDDATA (Data output from mainframe or ROM) IDDATA (Data output from mainframe or ROM) Start Acknowledge Figure 5-10 Transmit and acknowledge sequence 5.5.3 Relay control gized.

  • Page 78: Troubleshooting

    Recommended troubleshooting equipment Manufacturer CAUTION Description and model Application Observe the following precautions when troubleshooting or repairing the switch Multimeter Keithley 2001 Measure DC voltages card: Oscilloscope TEK 2243 View logic waveforms To avoid contamination, which could Switching Keithley 7001...
  • Page 79 Service Information Table 5-6 Troubleshooting procedure Step Item/component Required condition Comments Ground All voltages referenced to digital ground. (P2001, pins 3, 4, 15, 16) K100-K178 even-numbered +6VDC Relay voltage. relays, pins 1 and 2 U104, pin 8 +5VDC Logic voltage. U104, pin 5 IDCLK pulses During power-up only.
  • Page 80 Service Information 5-18 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 81: Replaceable Parts

    Replaceable Parts Introduction Factory service This section contains replacement parts information, sche- If the card is to be returned to Keithley Instruments for repair, matic diagrams, and component layout drawings for the perform the following: Model 7015. 1. Complete the service form at the back of this manual, and include it with the card.
  • Page 82 Component Layout, Terminal Block Board for 7015-170 Component Layout, Mass Terminated Card for 7015-S. 7015-C. 7015-166 Schematic, Terminal Block Board for 7015-S. 7015-176 Schematic, Mass Terminated Card for 7015-C. Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 83 Replaceable Parts Table 6-1 Parts List, Solid-State Relay Card (Models 7015-C and 7015-S) Circuit Keithley Desig. Description Part No. EJECTOR ARM 7011-301B SHIELD 7011-305B STANDOFF, #4-40X.812LG ST-137-20 STANDOFF #2 CLEARANCE ST-204-1 C109,110 CAP, 10UF,-20+100%,25V,ALUM ELEC C-314-10 CAP,.1UF,20%,50V,CERAMIC C-365-.1 C101,102,103,105, 106,107,108...
  • Page 84 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 85 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 86 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 87 Replaceable Parts Table 6-2 Parts List,Terminal Block Board (Model 7015-S) Circuit Keithley Desig. Description Part No. TOP CLAMP 7011-302B CABLE CLAMP 7011-304-5C SHIELD 7011-305B J1006,1009,1012,1015 CONN, 6 PIN TE-115-6 J1004,1005,1007,1008, CONN, 8 PIN TE-115-8 1010,1011 P1002,1003 CONNECTOR, 48-PIN, 3 ROWS...
  • Page 88 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 89 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 90 Replaceable Parts Table 6-3 Parts List, Mass Terminated Card (Model 7015-C) Circuit Keithley Desig. Description Part No. BRACKET 7011-307 CONNECTOR SHIM 7011-309A SHIELD 7011-311A STANDOFF ST-203-1 C101,102 CAP,1UF,20%,50V, CERAMIC C-237-1 C103 CAP,.1UF,20%,50V,CERAMIC C-365-.1 CR101-105 DIODE,SILICON,IN4148 (DO-35) F-28 E101,102 FERRITE BEAD...
  • Page 91 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 92 Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 93 Index Numerics 7011-KIT-R 1-3 Factory service 6-1 Low-level resistance measurements 4-9 7011-MTC-2 1-3 Features 1-1 7011-MTR 1-3 Four-wire resistance tests 4-7 7015-ST 1-3 Front panel control 4-3 Magnetic fields 4-15 Mainframe control of multiplexer card 4-1 Mainframe multiplexer expansion 2-9 Backplane jumpers 2-5, 3-3 General Information 1-1 Manual addenda 1-2...
  • Page 94 Transistor current gain testing 4-10 Troubleshooting 5-16 Troubleshooting access 5-16 Parts lists 6-1 Safety symbols and terms 1-2 Troubleshooting equipment 5-16 Path isolation 4-14 Scanning channels 4-3, 4-4 Troubleshooting Procedure 5-16 Performance verification 5-2 Scanning speed considerations 4-16 Two-card system 3-13 Power-on safeguard 5-15 Screw terminal connector card 3-4 Two-mainframe system 3-13...
  • Page 95 Service Form Model No. Serial No. Date Name and Telephone No. Company List all control settings, describe problem and check boxes that apply to problem. Intermittent Analog output follows display Particular range or function bad; specify IEEE failure Obvious problem on power-up Batteries and fuses are OK Front panel operational All ranges or functions are bad...
  • Page 96 Keithley Instruments, Inc. 28775 Aurora Road Cleveland, Ohio 44139 Printed in the U.S.A Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 97 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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7015-c

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