Service Manuals, User Guides, Schematic Diagrams or docs for : Keithley 70xx 7071_901_01D
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Model 7071 General Purpose Matrix Card
Instruction Manual
Contains Operating and Servicing Information
Publication Date: June 1991
Document Number: 7071-901-01 Rev. D
WARRANTY
Keithley Instruments, Inc. warrants this product to be free from defects in material and workmanship for a period of 1 year from
date of shipment.
Keithley Instruments, Inc. warrants the following items for 90 days from the date of shipment: probes, cables, rechargeable batter-
ies, diskettes, and documentation.
During the warranty period, we will, at our option, either repair or replace any product that proves to be defective.
To exercise this wannty, write or call your local Kcithley representative, or contact Keithley headquarters in Cleveland, Ohio. You
will bc given prompt assistance and return instructions. Send the product, transportation prepaid, to the indicated service facility.
Repairs will be made and the product returned, transportation prepaid. Repaired or replaced products are warranted for the balance
of the original warranty period, or at least 90 days.
LIMITATION OF WARRANTY
This warranty does not apply to defects resulting from product modification without Keithley's express written consent, or misuse
of any product or part. This warranty also does not apply to fuses, software, non-rechargeable batteries, damage from battery leak
age, or problems arising from normal wear or failure to follow instructions.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. THE REMEDIES PROVIDED HEREIN
ARE BUYER'S SOLE AND EXCLUSIVE REMEDIES.
NEITHER KEITHLEY INSTRUMENTS, INC. NOR ANY OF ITS EMPLOYEES SUALL BE LIABLE FOR ANY DIRECT,
INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRU-
MENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS, INC., HAS BEEN ADVISED IN ADVANCE OF THE POS-
SIBILITY OF SUCH DAMAGES. SUCH EXCLUDED DAMAGES SHALL INCLUDE, BUT ARE NOT LIMITED TO: COSTS
OF REMOVAL AND INSTALLATION, LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON, OR DAM-
AGE TO PROPERTY
STATEMENT OF CALIBRATION
This instrument has been inspected and tested in accordance with specifications published by Keithley Instruments, Inc,
The accuracy and calibration of this instrument me traceable to the National Bureau of Standards through equipment which is cali-
brated at planned intervals by comparison to certified standards maintained in the Laboratories of Keithley Instruments, Inc.
Instruction Manual
Model 7071
General Purpose Matrix Card
01984 Keithley Instruments, Inc.
Instruments Division
Cleveland, Ohio, U.S.A.
Document Number: 7071-901-01
Safety Precautions
The following safety precautions should be obsewed before using Users of this product most be protected from electric shock at all
this product and any associated instrumentation. Although some in- times. The responsible body most ensure that users arc prcvcnlcd
~trument~ and accessories would nomudly bc used with non-haz- access and/or insulated from every connection point. In some cases.
ardous voltages, there are situations where hazardous conditions connections must be exposed to potential human contact. Product
may be present. users in these circumstances must be trained 10 protect tb~n~s~l~~s
from the risk of electric shock. If the circuit is capable of operating
This product is intended for "se by qoalilied personnel who recog- at or above 1000 votts, no conductive part of the circuit may be
nize shock hazards and are familiar with the safety precautions re- exposed.
quired to avoid porsiblc injury Read the operating information
carefully before using the product. As described in tbc lntcmational Electrotechnical Commission
([EC) Standard IEC 664, dig&l multimeter measuting circuits
The types of product users are: (e.g., Kcithley Models 175A. 199. 200% 2001. 2002, sod 2010) are
Responsible body is the individual or group responsible for the "se Installation Category II. All other iostmmcots signal tuminals arc
and maintenaocc of equipment, for ensuring that the equipment is Installation Category I sod must not be connected to maios.
operated within its specifications and operating limits. and for en-
suring that operators are adequately trained. Do not connect switching cards directly to unlimited powcrcircuits.
They are intended to hc used with im~daoce limited sour~cs.
Operators "se the product for its intended function. They most be NEVER connect switching cards directly to AC mains. When cons
trained in electrical safety procedorcs and proper "se of the instru- nccth~g SOU~CCS switching cards, insult protoctivc devices 1" lim
to
ment. They must be pro&ted from electric shock and contact with it fault torrent and voltage to the card.
hazudous live circuits.
Before operating an iostromcnt, make sure the line cord is connect-
Maintenance personnel perform routine procedures on the product cd to a properly grounded power reccptaclc. Inspcc~ the connecting
to keep it operating, for example, setting tbc line voltage or replac- cables. test leads, ;ind jumpers for possible war. cracks, or breaks
ingconsumable materials. Maintenance procedures aredescribed in before each use.
the manual. The procedures explicitly state if tbc operator may per-
form them. Otherwise, they should be performed only by service For maximom safety. do nut touch the product. test cables. or any
personnel. other instruments while power is applied to the circuit under test.
ALWAYS remove power from the entire test system and discharge
Service personnel arc trained to work on live circuits, and perform any capacitors bcforc: connecting or disconnecting cables or jumpy
safe installations and repairs of products. Only properly trained ser. crs, installing or removing switching cards. or making intcnul
vice personnel may perform installation and sewicc procedures. changes, such as installing or removing jumpers.
Exercise extreme caution when a shock hazard is present. Lethal Do not touch any "bjcct that could provide a curreot path to the
voltage may be present on cable connector jacks or test fixtures. The comm"" side of the circuit under test or power line (earth) ground.
American National Standards Institute (ANSI) states that a shock Always make mea~~ren~cnts with dry hands while stmding on n
hazard exists when voltage levels greater than 30V RMS, 42.4V dry, insulated surface capable of withstanding the voltage being
peak, or 60VDC are present. A good safety practice is to expect measured.
that hazardous voltage is present in any unknown circuit before
measuring.
The instrument and accessories must be used in accordance with its The WARNING heading in a manual explains dangers that might
specitications and operating instructions or the safety of the equip- result in personal injury or death. Always read the associated infor-
ment may be impaired. mation very carefully before performing the indicated procedure.
Do not exceed the maximum signal levels of the instruments and ac- The CAUTION heading in a manual explains hazards that could
cessories, as defined in the specifications and operating informa- damage the instrument. Such damage may invalidate the warranty.
tion, and as shown on the instrument or test fixture panels, or
switching card. Instrumentation and accessories shall not be connected to humans.
when fuses are used in a product, replace with same type and rating Before performing any maintenance, disconnect the line cord and
for continued protection against fin: hazard. all test cables.
To maintain protection from electric shock and fire, replacement
Chassis connections must only be used as shield connections for
components in mains circuits, including the powcr transformer, test
measuring circuits, NOT as safety earth ground connections.
leads, and input jacks, must be purchased from Keithley Instn-
merits. Standard fuses, with applicahlc 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. Other components
plied to the device under test. Safe operation requires the use of a
that are not safety related may be purchased from other suppliers as
lid interlock.
long as they are equivalent to the original component. (Note that sc-
lead parts should be purchased only through Keithley Instruments
Ifa@ screw is present, connect it to safety earth ground using the
to maintain accuracy and functionality of the product.) If you are
wire recommended in the user documentation.
unsure about the applicability of a replacement component, call a
Keithlcy Instruments office for information.
m A symbol on an instrument indicates that the uscr should re-
fer to the operating instructions located in the manual.
To clean an instrument, use a damp cloth or mild, water based
cleaner. Clean the exterior of the insrmment only. Do not apply
Then symbol on an instrument shows that it can source or mca-
cleaner directly to the instrument or allow liquids to enter or spill
sum 1003 volts or more, including the combined effect of normal
on the instmmcnt. Products that consist of a circuit board with no
and common mode voltages. Use standard safety precautions to
case or chassis (e.g., data acquisition board for installation into a
avoid personal contact with these voltages.
computer) should never require cleaning if handled according to in-
stmctions. If tbc board becomes contaminated and operation is af-
fccted, the board should be returned to the factory for proper
cleaning/servicing.
Rev. IO/99
SAFETY PRECAUTIONS
The following safety precautions should be observed before using the Model 7071 and the associated instru-
malts.
This matrix card is intended for use by qualified personnel who recognize shock hazards and are familiar
with the safety precautions required to avoid possible injury. Read over this manual carefully before using
the matrix card.
ALWAYS remove power from the entire system (Model 707, test instruments, DUT, etc.) and discharge any
capacitors before doing any of the following:
1. Installing or removing the matrix card from the mainframe.
2. Connecting or disconnecting cables from the mahix card. The pins of the Model 7078~MTC cable con-
nectors are easily accessible making them extremely hazardous to handle while power is applied.
3. Making internal changes to the card (such as removing or installing jumpers and quick-disconnect ter-
minal blocks).
Exercise extreme caution when a shock hazard is present at the test fixtire. User-supplied lethal voltages
may be present on the fixture or the connector jacks. The American National Standards Institute (ANSI)
states that a shock hazard exists when voltage levels greater than 30V Rh4S or 42.4V peak are present. A good
safety practice is to expect that hazardous voltage is present in any unknown circuit before measuring.
Do not exceed ZOOV between any two pins or between any pin and earth ground
Inspect the connecting cables and test leads for possible wear, cracks, or breaks before each use.
For maximum safety, do not touch the test fixture, test cables or any instruments while power is applied to
the circuit under test.
Do not touch any object which could provide a current path to the common side of the circuit under test or
power line (earth) ground.
Do not exceed the maximum signal levels of the test fixture, as defined in the specifications and operation
section of this manual.
Do not connect the matrix card directly to unlimited power circuits. This product is intended to be used with
impedance limited sources. NEVER connect the matrix card directly to ac mains.
When connecting sources, install protective devices to limit fault current and voltage to the card
The chassis connections on the PC board (located behind the front panel of the matrix card) must only be
used as shield connections for measuring circuits, NOT as safety earth ground connections.
SPECIFICATIONS
MATRIX CONFIGURATION: ISOLATION:
8 rows by 12 columns. Path WvIIiz, 1MO load): > 1OWo. clOpF.
CROSSPOINT CONFIGURATION: >4OdB.
Spole Form A. DifferentfaI: 109, 45pF nominal.
CONNECTOR TYYPE:Quick disconnect using Common Mode: lO'R, 165pF nominal.
38 pin umnectom or screw temals (HI, INSERTION LOSS (YMHz, 50" source, IMR
LO, Guard). load): O.ldB tvoicaf.
,.
MAXIMUM SIGNAL LEVEL:. 2CQV.lA SdB BANDWIDTH (IMfl load): 5MHz typical.
cany/O.SA switched. 1OVA peak (resistive
RELAY DRIVE CURRENT (Per crosspoint):
load).
15mA.
COMMON MODE VOLTAGE: 2ooV maximum
RELAY SE'ITLING TIME: <3mr.
between any 2 pins or chassis.
ENVIRONMENT:
CONTACT LIFE:
Opedng: O" to WC, up to 35'C at 70% R.H.
Cold Switching: 10' closures. Storage: -25 to +65-C.
At M&mum Sigrul Level: 10' closures. ACCESSORY SUPPLIED: Instnxtion manual
PATH RESISTANCE ,per conductor): <0.50 ACCESSORIES AVAILABLE:
initial, <1.5ll at end of contact life. Model 7078~CIT: Contact Insertion and
CONTACT POTENTIAL: <5pV per aosspoint Extraction Tools
(HI to LO). Model 707%HCT: Hand Crimping Tool
OFFSET CURRENT:
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