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

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IEEE-488 ReferenceResponse messagesA response message is the message sent by the instrument to the computer in response to a querycommand program message.1. Sending a response message: After sending a query command, the response message isplaced in the Output Queue. When the Model 7002 is then addressed to talk, the responsemessage is sent from the Output Queue to the computer. The following example in HP BA-SIC 4.0 demonstrates this process:10 OUTPUT 707; “:rout:scan?” ! Send query command.20 ENTER 707; A$ ! Address Model 7002 to talk.30 PRINT A$ ! Display response message on CRT.40 ENDThere are two special query commands that are used to read the Error Queue. As error andstatus messages occur they are stored in the Error Queue. This queue is a first-in first-out(FIFO) register. Either of the following two SCPI commands can be used to read the ErrorQueue::STATus:QUEue?:SYSTem:ERRor?After sending either of the above commands, the oldest message in the Error Queue will bemoved to the Output Queue. When the Model 7002 is then addressed to talk (as explainedabove), the response message will be sent to the computer.2. Multiple response messages: If you send more than one query command in the same programmessage (see Multiple command messages), the multiple response message for all thequeries will be sent to the computer when the Model 7002 is addressed to talk. The responsesare sent in the order that the query commands were sent and will be separated by semicolons(;). Items within the same query are separated by commas (,). The followingexample shows the response message for a program message that contains four single itemquery commands:0; 1; 1; 03. Response Message Terminator (RMT): Each response message is terminated with an LF(line feed) and EOI (end or identify). The following example shows how a multiple responsemessage is terminated:0; 1; 1; 0 5-39
IEEE-488 ReferenceMessage exchange protocolThe message exchange protocol can be summarized by the two following rules:Rule 1. You must always tell the Model 7002 what to send to the computer.The following two steps must always be performed, in this order, to send informationfrom the instrument to the computer:1. Send the appropriate query command(s) in a program message.2. Address the Model 7002 to talk.Rule 2. The complete response message (including the RMT) must be received bythe computer before another program message can be sent to the Model7002.5-40
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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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[:ROUTe] subsystemIEEE-488 Referenc
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IEEE-488 Reference5.14 Sense subsys
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IEEE-488 Reference5.15 :SOURce subs
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IEEE-488 Reference5.16 :STATus subs
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:STATus SubsystemIEEE-488 Reference
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IEEE-488 Reference5.17 :SYSTem subs
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:SYSTem SubsystemIEEE-488 Reference
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IEEE-488 Reference5.18 Trigger subs
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Trigger subsystemIEEE-488 Reference
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6Theory of Operation6.1 Introductio
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Theory of Operation6.3 Control func
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Theory of Operation6.4 Relay contro
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Theory of OperationID data is conta
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Theory of OperationFromDigitalBoard
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Theory of Operationµ DINConnectorT
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MaintenanceNOTEThe digital and disp
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MaintenanceFuse replacement procedu
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Maintenance7.6 Instrument disassemb
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Maintenance7.6.5 Power supplies rem
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Maintenance8. Press “1”, “1
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MaintenanceEDIT ERR REM TALK LSTN S
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MaintenanceTo review the error, pre
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MaintenanceTrigger 8 (STI8) is set
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MaintenanceDETAIL AREF:GRN/YELWIRE#
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MaintenanceBOARDS MUST BE HANDLED W
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MaintenanceSTEP 1FA-151-1, FASTENER
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MaintenanceDETAIL ACC-47, CABLEDIG
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Maintenance8#4-40x1/4"PFH(4 REQ'D)(
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Replaceable Parts
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Replaceable Parts
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Replaceable PartsTable 8-2Digital b
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Artisan Scientific - Quality Instru
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(+5V)**(+5V)**** ****** **********
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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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