Service Manuals, User Guides, Schematic Diagrams or docs for : Keithley 70xx 7052_901_01D
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Model 7052 4 x 5 Matrix Card
Instruction Manual
Contains Operating and Servicing Information
ALNVIIIIVM 40 NOIlVlIWll
AlNV?RlVM
Model 7052 4 x 5 Matrix Card
Instruction Manual
01990, Keithley Instruments, Inc.
All rights reserved.
Cleveland, Ohio, U.S.A.
Document Number: 7052-901-01 Rev. D
Safety Precautions
The following safety precautionsshould be observedbefore "sing this product and any u-
so&ted iosmm~entadon.Akhougb some insmmems and accessorieswould eonnatty be
used with non-hazardousvotwges. there are siluelions where hazardousconditions may be
present.
This product is intended for "se by qualified Qenonnet who recognize shock hazards cod
ure familiar with chcsafery precautionsrequired IO avoid possible injuly. Read the operet-
inp information carefully before using the product.
The rypes of product "sets are:
Responsible body is the individual or group responsiblefor the "se and maintenance of
equipment. and for ensuring thar operatorsare adequarelytrained.
Operators use the product for ix intended function.They m"st be uained in electice, safe-
ty proceduresand proper "se of the instrument.They m"st be Qrotecredfrom elearic shock
and coomct with hazardouslive circuits.
Maintenance personnel perform routine procedures the productto keep icopenring. for
on
example. setting the tine voltage or replacing consumable materials. Meiinrenanceproce-
dures are described in rhe manual. The proceduresexplicitly state if the operator may per-
form rhem. Otherwise, they should be performed only by sewice personnel.
Service Qersouoei ax mined to work on live circuito. and perform safe insratlations and
repairs of products. Only properly trained service Qenonnet may perform installorion and
service procedures.
Exercise extreme caution when a shock hazard is Qresenr.Lethal voltage may be presenton
cebte connectorjacks or test fixtures. The Amedcen Narional Sreodilrds Institute (ANSI)
statesthat a shock hazard exists when voltage levels grearer than 30" RMS. 42.4V peak,
"I 60"DC are present. A good safety practice is to expect thal hazardous voltage is
prevent in any unknown circuit before measuring.
"sen of lhis product m"st b-eprotected from electric shock at all times. The responsible
body ~"SI ensure &et "sea ue prevented accessand/or insulated from every connection
point. In some cases,connectionsmust be exposed10 potential human contec~.Product "s-
en in rhese circ"msm"ce~ roust be tined to Qmtect themselves from the risk of electric
shock. If the circuit is capable of operating at or above too0 volt% no conductive part of
the circuit may be expqsed.
As~describedin the lntemarional Elecuotecbeical Commission (IEC) Standard IEC 664.
digital multimeter measuring circuits kg.. Keitbley Models 17%. 199. ZOOO. 2001.2Mn.
and 2010) mrawring circuits are Installation Category Lt.AtI other iostmmeots signal ter-
minats me lnsrallarion Category Fend must "or be connectedIO mains.
Do "at connect swircbing cards directly IO unlimited power cireuiu. They an: intended to
be "red with impedance limited sources.NEVER connect switching cards direcrly to AC
mnins.When connecringsourcesID swirching cards.install prorecrivedevices IO limir fault
current and voltage to tbe card.
Before oprnting an instiment. make sure the line cord is conneeredm a properly ground-
ed power receptacle. lnspecl rhe connecting cables. lest leads. and jumpers for porribie
wear, cracks, or breaks before each "se.
For maximum safety, do "or touch the product. test cables. or any orher instmments while
power is applied m the circuit under test. ALWAYS remove power from the entire lest sys-
rem and discharge any capacitors before: connecting or disconnectingcables or jumpers.
installing or removing switching cnrds.or making internal changes.such as insralling or m-
moving jumpers.
Do nat touch any object tbnt could provide a current path IO the common side of the circuit
under test "I power line (emth) ground. Always make mea.weme"ts with dry hnndr while
standingon " dry, insulated surface capable of withstanding the voltage being measured.
Do not exceed the maXimum signal levels of the instmmenrsand accessories,psdefined in
the rpecificationsand opemting informarion, and as shown on the insu'"mentor lest fixcure
pmek, or switching card.
When fuses arc used in a product, replace with snme type and raring for continued prorec-
don against fire hazard.
Chassisconnectionsmust only be used as shield connectionsfor measuring circuits. NOT
as snfefery
ea.,,h ground connecdons.
If you an "sing a IW fixture, keep the lid closed while power is applied to the device under
lest. Safe operation requires tie "se of a lid interlock.
If"@ screw ir present,connect it to safety earth ground "sing rhe wire recommendedin
the "ser documentarion.
The A symbol on an instmmem indicates that the "ser should refer 1" the opemting in-
svucdons locnted in Ihe manual.
Them symbolona,, insm,me"tnhows ths,itcBn s""rceormea~"n lwO"olls ormore.
including the cambined effect of normal and cmnm"" mode voltages. "se srandardsafely
pcecaudanrto avoid penonal contact with these voltages.
The WARNING beading in " manual explains dangersthat might res"lt in penonal injury
or death. Always read the associatedinformation very carefully before performing the in-
dialed procedure.
The CAUnON hending in a manual explains hazards thnt could damage the insuument.
Such dam"ge may invalidare the warranty.
Inswmentation and accessories
shall not be connected10 humnns.
Befom performing any ~aimenance. disconnectthe line cord and all test cables.
To maimin protection from elecriic shock and fire. replacement companenu in mains cir-
cuits. including the power transformer. test leads. and input jacks. m"st be purchasedfrom
Keitiey Inammems. SIandad fuses. with applicable national safety approvals. may be
"red if the mdng nnd type we the same. Other componemr that tre not safety related may
be purchasedfrom other suppliersas long BS they we equivalent 10 the original componem.
(Note that selected pmts should be purchasedonly rhmugh Keithley lnstmmenu 10 main-
rain ~ccumey and functionality of the product.) If you M ""~"n about the applicability of
n mplacemenr component, call a Keithley lnstmments office for information.
To clean the inswmem, we a damp cloth or mild. water based cleaner. Clean the exterior
of the instmment only. do "m apply cleaner directly 10 the instmmem or ~IUOWliquids 10
enter or spill on the instmmem.
SPECIFICATIONS
MODEL 7052 4 x 5 MATRIX CARD
CHANNEL CONFIGURATION: 4 x 5.
CONTACT CONFIDURATION: 3-p& Farm A, High, Low and Guard.
CONNECTOR TYPE: Quick Disconnect screw terminals, No. 16 AWG maximum.
RELAY DRIVE CURRENT: 15mA (per relay).
SIGNAL LEVEL: ZOOV.2WmA or 1OVA peak non-inductive load only.
CONTACT LIFE: 1CP closures (cold switching); 10' closures (maximum signal level).
CONTACT RESISTANCE: 113'~fland <5pF; 60dB into 5Ofl @lMHz.
INPUT ISOLATION, DIFF: >109fl and <50pF typical.
INPUT ISOLATION, CM: >lO"lI and
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