Keithley 7001 Quick Reference Manual
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Keithley 7001 Quick Reference Manual

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Model 7001
Switch System
Quick Reference Guide
A G R E A T E R M E A S U R E O F C O N F I D E N C E

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  • Page 1 Model 7001 Switch System Quick Reference Guide A G R E A T E R M E A S U R E O F C O N F I D E N C E...

  • Page 2: Quick Reference Guide

    Model 7001 Switch System Quick Reference Guide  1992, Keithley Instruments, Inc. All rights reserved. Cleveland, Ohio, U.S.A. Document Number: 7001-903-01 Rev. A...

  • Page 3: Table Of Contents

    Table of Contents Safety Precautions ............1 Introduction ..............5 Operation Summary ............ 6 Menu Structures ............11 Default Conditions ............ 16 Error and Status Messages ......... 19 IEEE-488.2 Common Commands and Queries... 25 SCPI Command Subsystems ........27...

  • Page 4: Safety Precautions

    Only properly trained service personnel may perform installation and service procedures. Keithley products are designed for use with electrical signals that are rated Installation Category I and Installation Catego- ry II, as described in the International Electrotechnical Com- mission (IEC) Standard IEC 60664.
  • Page 5 over-voltages often associated with local AC mains connec- tions. The user should assume all measurement, control, and data I/O connections are for connection to Category I sources unless otherwise marked or described in the Manual. Exercise extreme caution when a shock hazard is present. Lethal voltage may be present on cable connector jacks or test fixtures.
  • Page 6 switching cards, or making internal changes, such as install- ing or removing jumpers. Do not touch any object that could provide a current path to the common side of the circuit under test or power line (earth) ground. Always make measurements with dry hands while standing on a dry, insulated surface capable of with- standing the voltage being measured.
  • Page 7 All Keithley product names are trademarks or registered trade- marks of Keithley Instruments, Inc. Other brand and product names are trademarks or registered...

  • Page 8: Introduction

    Introduction This quick reference guide includes summary informa- tion on front panel and IEEE-488 operation for the Model 7001 Switch System. For detailed information, consult the Model 7001 Instruction Manual.

  • Page 9: Operation Summary

    Operation Summary Channel List and Scan List A Channel List specifies the channels to be closed or opened, and a Scan List specifies the channels to be scanned. Each channel in the list is made up of either a two integer CHANNEL number (for non-matrix type cards) or a three integer CHANNEL number (for matrix type cards).
  • Page 10 with a hyphen (-). The M1 entry represents a channel pattern that is stored in memory (see STORE and RECALL). Edit keys  A list can also be modified by using the edit keys; DELETE and INSERT. A channel entry can be deleted by placing the cursor on the desired entry and pressing DELETE.

  • Page 11: Scanning Channels

    To perform a scan, first program the controlling aspects of the scan (see Table 2), and then press STEP to take the Model 7001 out of the idle state (ARM indicator on). Regardless of how the scan is configured, the STEP key is always active allowing you to manually step through the scan.

  • Page 12: Store And Recall

    The scan can be terminated at any time by pressing the OPEN ALL key. All closed channels will open and the Model 7001 will return to the idle state (ARM indicator off). IEEE-488 operation Over the bus, a scan is configured using the :TRIGger subsystem commands.
  • Page 13 To recall a channel pattern from memory: 1. Press RECALL and enter the memory location of the stored channel pattern. 2. Press ENTER. The channel status display will imme- diately update to reflect the recalled channel pat- tern. Another way to recall a channel pattern is to include a memory location (e.g.

  • Page 14: Menu Structures

    Menu item Description SAVESETUP Setup Menu: SAVE Save setup at a memory location (up to 10). RESTORE Return 7001 to setup stored at a memory location. PWRON Power-on Menu: FACTORY DEFAULT Power-on to factory default setup conditions. USER SETUP Power-on to setup stored at a memory location.
  • Page 15 Table 1: MAIN MENU structure (Cont.) Menu item Description TEST Self-Test Menu: BUILT-IN TESTS Test Digital Board: AUTO Run all tests automatically MANUAL Select tests to run DISPLAY TESTS Test Display Board: KEYS Verify operation of front panel keys PATTERNS Verify operation of display LANGUAGE Choose Language:...
  • Page 16 Table 2: CONFIGURE SCAN menu structure (Cont.) Menu item Description ASYNCHRONOUS Use separate lines for In/Out triggers. SEMI-SYNCHRONOUS Use same line for In/Out trig- gers. IMMEDIATE Use to scan channels immedi- ately. HOLD Use to hold up the scan in the channel layer.
  • Page 17 Table 2: CONFIGURE SCAN menu structure (Cont.) Menu item Description CONTROL Select trigger control mode: SOURCE Enable Source Bypass. ACCEPTOR Disable Source Bypass. ARM-CONTROL Configure Arm Layer: ARM SPACING Select arm spacing control: MANUAL Use STEP key to arm scanner. IMMEDIATE Use to arm scanner immediately.
  • Page 18 Table 3: CARD CONFIG MENU structure Menu item Description TYPE Set Card Type: SLOT-1 Assign model number to card in slot 1. SLOT-2 Assign model number to card in slot 2. #-OF-POLES Select # Of Poles: SLOT-1 Select pole mode for card in slot 1. SLOT-2 Select pole mode for card in slot 2.

  • Page 19: Default Conditions

    Default Conditions Table 4: Factory default and RESET Item Factory default RESET Channel status All open All open Channel list Cleared No change Scan list Cleared No change GPIB address No change Digital I/O output High High level Language English No change Status messages # of poles...
  • Page 20 Table 5: *RST and :SYSTem:PRESet :SYSTem:PRESet Command name *RST value value :INITiate :CONTinuous :ARM :SEQuence[1] :LAYer[1] :COUNt :SOURce IMMediate IMMediate :TCONfigure :DIRection ACCeptor ACCeptor :ASYNchronous :ILINe :OLINe :LAYer2 :COUNt INFinite :DELay :SOURce IMMediate IMMediate :TIMer 0.001 0.001 :TCONfigure :DIRection ACCeptor ACCeptor :ASYNchronous :ILINe...
  • Page 21 Table 5: *RST and :SYSTem:PRESet (Cont.) :SYSTem:PRESet Command name *RST value value [:ROUTe] :CONFigure :SLOT[1] :STIMe :SLOT2 :STIMe :CPAir :SCHannel :DISPlay :SMESsage...

  • Page 22: Error And Status Messages

    Error and Status Messages Table 6: Error and status messages Code number Description +522 “Slot 2 identification error” (EE) +521 “Slot1 identification error” (EE) +510 “Saved state error” (EE) +173 “Waiting in arm layer 2” (SE) +172 “Waiting in arm layer 1” (SE) +171 “Waiting in trigger Layer”...
  • Page 23 Table 6: Error and status messages (Cont.) Code number Description -140 “Character data error” (EE) -141 “Invalid character data” (EE) -144 “Character data too long” (EE) -148 “Character data not allowed” (EE) -150 “String data error” (EE) -151 “Invalid string data” (EE) -154 “String too long”...
  • Page 24 Table 6: Error and status messages (Cont.) Code number Description -350 “Queue overflow” (EE) -410 “Query interrupted” (EE) -420 “Query unterminated” (EE) -430 “Query deadlocked” (EE) -440 “Query unterminated after indefinite response” (EE) EE = Error event SE = Status event...
  • Page 25 Figure 1: Standard event status...
  • Page 26 Figure 2: Operation event status...
  • Page 27 Figure 3: Status byte and service request (SRQ)

  • Page 28: Ieee-488.2 Common Commands And Queries

    Option identifica- Read model number for each tion query slot. *RCL <n> Recall command Returns the 7001 to the setup stored in the designated memory location (0 to 9). *RST Reset command Returns the 7001 to the *RST default conditions.
  • Page 29 Table 7: IEEE-488.2 common commands and queries (Cont.) Mnemonic Name Description *SAV <n> Save command Saves the current setup to the designated memory location (0 to 9). *SRE <n> Service request Programs Service Request enable command Enable Register. *SRE? Service request Read Service Request Enable enable query Register.

  • Page 30: Scpi Command Subsystems

    SCPI Command Subsystems Table 8: DISPlay command summary Command Description :DISPlay [ :WINDow[1]] Path to locate message to top portion of display :TEXT Path to control user text messages: :DATA <a> Define ASCII message “a” (up to 20 characters). :STATe <b> Enable (1 or ON) or disable (0 or OFF) message.
  • Page 31 Table 10: ROUTe command summary Command Description [:ROUTe] :CLOSe <list> Close specified channels: :STATe? Read closed channels. :CLOSe? <list> Read state of specified channels (1=closed, 0=open). :OPEN <list>|ALL Open specified (or all) channels. :OPEN? <list> Read state of specified channels (1=open, 0=closed).
  • Page 32 Table 10: ROUTe command summary (Cont.) Command Description [:ROUTe] :CONFigure: :SLOT2 Path to configure CARD 2: :CTYPE <type> Specify card type. :CTYPE? Read card type. :POLE <n> Select pole mode (1, 2 or 4). :POLE? Read pole mode. :STIMe <num> Set relay settling time (0 to 99999.999 sec).
  • Page 33 Table 12: SOURce command summary Command Description :SOURce Command path to program digital output port bits: :TTL1 Path to program Bit 1: [:LEVel] <b> Set (1 or ON) or reset (0 or off). [:LEVel]? Read Bit 1. :TTL2 Path to program Bit 2: [:LEVel] <b>...
  • Page 34 Table 13: STATus command summary (Cont.) Command Description :STATus :OPERation :ARM [:EVENt]? Read status register. :CONDition? Read condition register. :PTRansition <n> Program positive transition register (0 or 2). :PTRansition? Read positive transition regis- ter. :NTRansition <n> Program negative transition register (0 or 2). :NTRansition? Read negative transition regis- ter.
  • Page 35 Table 13: STATus command summary (Cont.) Command Description :STATus :OPERation :ARM :TRIGger :NTRansition <n> Program negative transition register (0 or 2). :NTRansition? Read negative transition register. :ENABle <n> Program enable register (0 or 2). :ENABle? Read enable register. :PRESet Return status registers to default states.
  • Page 36 Table 14: SYSTem command summary Command Description :VERSion? Read revision level of the SCPI Stan- dard. Table 15: Trigger command summary Command Description :INITiate Initiate one trigger (scan) [:IMMediate] cycle. Enable (1 or ON) or disable (0 :CONTinuous <b> or OFF) continuous initia- tion.
  • Page 37 Table 15: Trigger command summary (Cont.) Command Description :ARM[:SEQuence[1]] Subsystem command path to configure scan: [:LAYer[1]] Path to program Arm Layer 1 (arm layer) of scan: :IMMediate Loop around control source. :COUNt <n>| Program number of arms (1 INFinite to 9999, or INFinite). :COUNt? Read arm count.
  • Page 38 Table 15: Trigger command summary (Cont.) Command Description :ARM[:SEQuence[1]] :LAYer2 Path to program Arm Layer 2 (scan layer) of scan: :IMMediate Loop around control source. :COUNt <n>| Program number of scans (1 INFinite to 9999, or INFinite). :COUNt? Read scan count. :DELay <num>...
  • Page 39 Table 15: Trigger command summary (Cont.) Command Description :TRIGger Path to program Trigger Layer (channel layer) of scan: :IMMediate Scan channels immediately. (Loop around control source.) :COUNt <n>| Program number of channels INFinite (1 to 9999, or INFinite). :AUTO ON|OFF Enable (on) to use scan- list-length.
  • Page 40 Table 15: Trigger command summary (Cont.) Command Description :TRIGger :TCONFigure :ASYNchronous :OLINe <n> Select output line (1 to 6). :OLINe? Read output line. :SSYNchronous Path to configure semi- synchronous Trigger Link mode: :LINE <n> Select trigger line (1 to 6). :LINE? Read trigger line.
  • Page 42 Specifications are subject to change without notice. All Keithley trademarks and trade names are the property of Keithley Instruments, Inc. All other trademarks and trade names are the property of their respective companies. Keithley Instruments, Inc. 28775 Aurora Road • Cleveland, Ohio 44139 • 440-248-0400 • Fax: 440-248-6168 1-888-KEITHLEY (534-8453) www.keithley.com...

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