Model 7002Switch System Instruction Manual - Advanced Test ...

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6Theory of Operation6.1 IntroductionThis section supplies a functional description of the Model7002 in block diagram form, as well as details of the variouscircuit board assemblies and functional blocks within the instrument.Some of this information is presented in the formof simplified schematics. Detailed schematics and componentlayouts are located at the end of Section 8.Backplane board ⎯ provides the mechanical and electricalinterface between the digital board and any cards pluggedinto the Model 7002 card slots.VFD Display board ⎯ includes the vacuum fluorescent display(VFD), a secondary microprocessor for control of thedisplay, the display drivers, and front panel key matrix.6.2 Overall functional descriptionOn page 2 is a block diagram showing interconnection of theModel 7002 digital board, front panel display boards, andsystem backplane. The board functions can be summarizedas follows:LED display board ⎯ includes the 416 LEDs, a secondarymicroprocessor for control of the display, the display driversand MOSFET switches and light pen latching circuits.Two switching-type power supply boards furnish +6VDCand +14.6VDC to the other boards and display.Digital board ⎯ a predominantly digital board which containsthe main microprocessor, operating system, memory,IEEE-488 interface, and support circuitry.6-1
Theory of OperationACMainsPS 1Universal InputSwitching SupplyPS 2Universal InputSwitching Supply+6V DC+6V DC+14.6V DCDigitalI/OTriggerLink6ChannelReadyExternalTriggerControlDataLED Display BoardMicro-ControllerLightPenDigital BoardTriggerControllerTriggers+5V+6VLED MatrixPower SwitchAC MainsVFD Display BoardIEEE-488InterfaceGlueLogicIEEE488MainProcessorGlueLogic+6V2+6V2+6V2+5VRegVFD+5VReg+5VReg+5VDIGVFDSupply+5VBP+5VControlDataMicro-Controller+60V5V AC FilamentVFDDisplayKeyMatrixBackplane+6V1 +14.6VRelay Drivers+5VBPDigital/AnalogBusCard1Card10Analog BusFigure 6-1Model 7002 system block diagram6-2
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®Established 1981Advanced Test Equ
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WARRANTYKeithley Instruments, Inc.
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Manual Print HistoryThe print histo
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If you are using a test fixture, ke
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Table of Contents1 General Informat
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4.10.3 Scanning examples ..........
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5.13.4 :FCHannels ................
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List of Illustrations2 Card Install
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6 Theory of OperationFigure 6-1 Mod
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8 MaintenanceTable 8-1Table 8-2Tabl
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General Informationthorized repair
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Card InstallationNOTEIf using the s
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3Getting Started3.1 IntroductionThi
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Getting StartedWARNING: INTERCONNEC
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Getting StartedSLOT 112ROW34COLUMN
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Getting Started3.6 Overview of scan
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Getting Started3.7.2 Close and open
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Getting Started2. If the scan list
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Getting Started3.8 Switching card c
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Getting Started3.9.2 Close and Open
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Getting StartedSCPI (Standard Comma
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Getting Started3.10.5 Abbreviated s
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Getting Started20 OUTPUT 707; “:s
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4Front Panel Operation4.1 Introduct
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Front Panel OperationAnnunciatorsTa
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Front Panel Operation3COLUMNSLOT 1
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Front Panel OperationNot all Model
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Front Panel Operationthe VFD which
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Front Panel OperationFront panel ke
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Front Panel OperationSlot 111 2 3 4
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Front Panel Operation4.8 Channel li
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Front Panel OperationStep 3. Enter
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Front Panel Operationd. Click the I
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Front Panel OperationIdleOPEN ALLId
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Front Panel OperationChannel layerN
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Front Panel Operationsatisfy a chan
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Front Panel OperationExample 3:ARM
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Front Panel Operation6. To store th
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Front Panel Operation8. The INFO ke
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Front Panel Operation4.12.2 GPIBThe
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Front Panel OperationPerform the fo
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Front Panel OperationPlace the curs
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Front Panel OperationThe message in
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Front Panel Operation4.14 Scan conf
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Front Panel OperationTable 4-7 (con
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Front Panel Operationline. Perform
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Front Panel Operation2. To retain t
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Front Panel OperationPerform the fo
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Front Panel Operation4.14.4 Channel
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Front Panel Operation3. Interlocked
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Front Panel OperationPin 7 - Digita
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Front Panel OperationCHANNELREADY4.
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Front Panel OperationFor this test
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Front Panel OperationDUT#11OUTPUTDU
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Front Panel OperationBypass7002Pres
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Front Panel OperationDUT#11OUTPUTHI
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Front Panel Operation7002Press STEP
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Front Panel OperationINOUTTriggerLi
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Front Panel Operationmeter to measu
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5IEEE-488 Reference5.1 Introduction
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IEEE-488 ReferenceIEEE-488Table 5-1
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IEEE-488 ReferenceNOTEController pr
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IEEE-488 ReferenceTriggerTransition
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IEEE-488 ReferenceStandard Event St
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IEEE-488 ReferenceThe filter can be
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IEEE-488 ReferenceArm Condition Reg
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IEEE-488 ReferenceAlwaysZeroLay2Lay
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IEEE-488 ReferenceAlwaysZeroSeq1(B1
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IEEE-488 Reference5.6.6 Questionabl
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IEEE-488 ReferenceReading this regi
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IEEE-488 ReferenceB6 is called the
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IEEE-488 Reference:ABORt*RST:SYST:P
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IEEE-488 ReferenceWith the Manual c
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IEEE-488 Reference5.8.2 IFC (interf
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IEEE-488 Reference5-32
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IEEE-488 Reference• While ignorin
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IEEE-488 Referenceas command paths.
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IEEE-488 ReferenceResponse messages
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IEEE-488 Reference5.10 Common comma
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IEEE-488 Reference5.10.1 *CLS ⎯ c
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IEEE-488 Referencewhere; CME (bit B
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IEEE-488 Reference5.10.4 *ESR? ⎯
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IEEE-488 Reference5.10.5 *IDN? ⎯
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IEEE-488 ReferenceNOTESee *OPC?, *T
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IEEE-488 ReferenceAfter *OPC? is ex
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IEEE-488 Reference5.10.9 *RCL ⎯ r
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IEEE-488 ReferenceTable 5-5Default
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IEEE-488 Reference5.10.12 *SRE ⎯
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IEEE-488 Reference5.10.13 *SRE? ⎯
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IEEE-488 ReferenceBit 5, Event Summ
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IEEE-488 Reference5.10.16 *TST? ⎯
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IEEE-488 ReferenceLine 70 Wait unti
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IEEE-488 ReferenceSCPI command subs
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IEEE-488 Reference5.11 :DISPlay sub
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:DISPlay subsystemIEEE-488 Referenc
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:DISPlay subsystemIEEE-488 Referenc
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IEEE-488 Reference5.12 :OUTPut subs
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IEEE-488 Reference5.13 [:ROUTe] sub
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[:ROUTe] subsystemIEEE-488 Referenc
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Page 216 and 217: [:ROUTe] subsystemIEEE-488 Referenc
Page 218 and 219: IEEE-488 Reference5.14 Sense subsys
Page 220 and 221: IEEE-488 Reference5.15 :SOURce subs
Page 222 and 223: IEEE-488 Reference5.16 :STATus subs
Page 224 and 225: :STATus SubsystemIEEE-488 Reference
Page 246 and 247: IEEE-488 Reference5.17 :SYSTem subs
Page 248 and 249: :SYSTem SubsystemIEEE-488 Reference
Page 250 and 251: IEEE-488 Reference5.18 Trigger subs
Page 252 and 253: Trigger subsystemIEEE-488 Reference
Page 268 and 269: Theory of Operation6.3 Control func
Page 270 and 271: Theory of Operation6.4 Relay contro
Page 272 and 273: Theory of OperationID data is conta
Page 274 and 275: Theory of OperationFromDigitalBoard
Page 276 and 277: Theory of Operationµ DINConnectorT
Page 278 and 279: MaintenanceNOTEThe digital and disp
Page 280 and 281: MaintenanceFuse replacement procedu
Page 282 and 283: Maintenance7.6 Instrument disassemb
Page 284 and 285: Maintenance7.6.5 Power supplies rem
Page 286 and 287: Maintenance8. Press “1”, “1
Page 288 and 289: MaintenanceEDIT ERR REM TALK LSTN S
Page 290 and 291: MaintenanceTo review the error, pre
Page 292 and 293: MaintenanceTrigger 8 (STI8) is set
Page 294 and 295: MaintenanceDETAIL AREF:GRN/YELWIRE#
Page 296 and 297: MaintenanceBOARDS MUST BE HANDLED W
Page 298 and 299: MaintenanceSTEP 1FA-151-1, FASTENER
Page 300 and 301: MaintenanceDETAIL ACC-47, CABLEDIG
Page 302 and 303: Maintenance8#4-40x1/4"PFH(4 REQ'D)(
Page 304 and 305: Replaceable Parts
Page 306 and 307: Replaceable Parts
Page 311 and 312: Replaceable PartsTable 8-2Digital b
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Replaceable PartsTable 8-3VFD displ
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Replaceable PartsTable 8-4Backplane
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Artisan Scientific - Quality Instru
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Replaceable Parts
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Replaceable PartsTable 8-6Miscellan
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Interface Function CodesTable A-1Mo
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Controller ProgramsIBM PC/XT/AT wit
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Controller Programs10 DEF SEG=&HC40
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Controller ProgramsHewlett-Packard
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Controller ProgramsBUS.INIT\ Initia
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CASCII Character Codesand IEEE-488
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ASCII Character Codes and IEEE-488M
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IEEE-488 Bus Overviewtype of instru
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IEEE-488 Bus Overviewdevice will re
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IEEE-488 Bus OverviewLAG (Listen Ad
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IEEE-488 Bus OverviewTable D-2Hexad
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EIEEE-488 Conformance InformationIn
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FSCPI Conformance InformationIntrod
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SCPI Conformance InformationTable F
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IEEE-488.2 Common CommandsMnemonic
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SCPI Command SubsystemTable H-1DISP
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SCPI Command SubsystemTable H-4SENS
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SCPI Command SubsystemTable H-6 (co
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SCPI Command SubsystemTable H-8 (co
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QuickBasic and QuickC ProgramsMicro
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QuickBasic and QuickC ProgramsMicro
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Index:ABORt 5-134:BBMake 5-88:CLOS
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Scanning channels 4-20Scanning exam
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Specifications are subject to chang
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