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Model 7002-HD High Density Switch System User's Manual

1. seen 4 27 Semi synchronous trigger link pulse specifications esee 4 29 Typical semi synchronous mode connections ii 4 29 IEEE 488 Operation IEEE 488 CONDECIOr cerent rer earn dini 5 2 IEEE 488 COBBDeCUODS 1 rtr era i 5 3 IEEE 488 connector location i 5 4 Trigger Model IEEE 488 bus operation esee 5 7 List of Tables 3 Table 3 1 4 Table 4 1 Table 4 2 Table 4 3 Table 4 4 Table 4 5 5 Table 5 1 Table 5 2 Table 5 3 Table 5 4 Table 5 5 Table 5 6 Table 5 7 B Table B 1 Getting Started Abbreviated SCPI command summary ii 3 10 Front Panel Operation Main MENU Str ctUre eee tree cune ener berba edi pecie ends 4 21 Default Conditions titre e re e eh tore a E 4 22 CARD CONFIG MENU structure emere 4 23 TYPE assignments i ect ria Rr a HER ed ne 4 23 Scan configuration menu i 4 24 IEEE 488 Operation IEEE 488 2 common commands and queries 5 9 DISPlay command summary ii 5 11 ROUTe command summary i 5 12 SENSe command summary iii 5 13 STATus command summary i 5 14 SYSTem command summary i 5 16 Trigger command summary ii 5 17 Status and Error Messages Status and error Messages i EEUU E ONERE ETE i B 2 1 General Information Section 1 topics Introduction page 1 2 Features page 1 2
2. AA aia 3 2 Front and rear panel configurations rennen 3 2 Front panel ilaria tete e ue pe EX FUR PRI Lt E RENS 3 2 Rearpanel D 3 2 Channel assignments iore th re ei P Et CR Ere E ee aai 3 5 Card licia asa albi pui alii 3 5 Card 2 scleri elena E EE R 3 5 Front panel operation summary i 3 6 Create channel list and or scan list eese 3 6 Close and Open channels esci eere vni teret deep rre 3 7 Scamchannels oeste pe rire 3 7 IEEE 488 operation summary i 3 9 Bus connections ce tier P Ple er PER YHP Eun Re ERR UR 3 9 Primary address MT ene cea E deena adore 3 9 Abbreviated SCPI command summary i 3 9 Programming examples eese rene eere 3 11 Front Panel Operation IntrGdUCtlOn e nai La aio 4 2 Power up procedure an tete ei teer iie iei X ve tete nus 4 2 Line power connections ennemi nns en 4 2 Powerswitch cilea HAURIRE UE HN IPIE tere 4 2 PowerUp sequence onenera a Ie Reiter desde spe ieu ri EIN 4 2 Front panel display ie i tt te ee Ee GE eee ei oen 4 3 Vacuum fluorescent display VFD serene 4 3 Display MeSsages MODE 4 4 ADDUNCIALONS spirit oi AL lie 4 4 Analog backplane spesis orina de tne mtu c Popes 4 5 Backplane COnnectiOnsineener ili 4 5 Typical backplane 2 n RERO ERU UII IU NE 4 5 Channel assignments teret tret reor re rete aa rii SS EER TIERE 4
3. DELay lt n gt Program delay 0 to 99999 999 seconds SOURce lt name gt Select control source HOLD IMMediate TIMer MANual BUS TLINk TIMer n Set timer interval 0 001 to 99999 999 seconds TRIGger Subsystem command path to program channel layer COUNt lt n gt Program number of channels 1 to 9999 or INFinite AUTo lt b gt Enable on or disable off automatic scan list count DELay lt n gt Program delay 0 to 99999 999 seconds SOURce lt name gt Select control source HOLD IMMediate TIMer MANual BUS TLINk TIMer n Set timer interval 0 001 to 99999 999 seconds Notes 1 Command shortform is indicated by the uppercase characters For example instead of sending arm layer2 source immediate you can send arm lay2 sour imm 2 There must be at least one space between a command word and the parameter Return to Section 3 topics Model 7002 HD User s Manual Getting Started 3 11 Programming examples Closing and opening channels The following command sequence will close channels 1 3 4 5 and 6 of slot 1 and then open them RST open all Opens any channels that are closed CLOS 1 1 113 1 6 Close channels 1 3 4 5 and 6 of slot 1 OPEN 1 1 1 3 1 6 Open channels in the channel list Manual scanning The following command sequence will configure the Model 7002 HD to perform an infinite number of manual scans of 10 channels for slot 1 SYST PRES
4. Program channel control source for timer TRIG TIM 0 5 Set timer for 0 5 second interval INIT Take 7002 HD out of idle state When the above command sequence is run the scan will arm and scan channels continuously at a 0 5 second rate Return to Section 3 topics 4 Front Panel Operation Section 4 topics Power up procedure page 4 2 Channel list and scan list page 4 6 Line power connections page 4 2 Entering lists page 4 7 Power switch page 4 2 Closing and opening channels page 4 9 Power up sequence page 4 2 Scanning channels page 4 10 Front panel display page 4 3 Scan process Trigger Model page 4 10 Vacuum fluorescent display VFD page 4 3 Scan procedure page 4 13 Display messages page 4 4 Scanning examples page 4 16 Annunciators page 4 4 Channel patterns STORE and RECALL page 4 10 Analog backplane page 4 5 Storing channel patterns page 4 18 Backplane connections page 4 5 Recalling channel patterns page 4 19 Typical backplane page 4 5 Menus page 4 20 Channel assignments page 4 6 Using menus page 4 20 Slot designations page 4 6 Main MENU page 4 21 Channel numbers page 4 6 Card configuration menu page 4 22 Scan configuration menu page 4 23 Channel list and scan list page 4 6 Entering lists page 4 7 Trigger Link page 4 26 Closing and opening channels page 4 9 Trigger Link connections page 4 26 Trigger Link operation page 4 27 NOTE This section contains basic informat
5. Write ATTENTION REPAIR DEPARTMENT and the RMA number on the shipping label Fill out and include the service form located at the back of this manual Optional accessories The following accessories are available from Keithley for use with the Model 7002 HD Model 7002 HD MTX1 6 x 32 Differential Matrix Card Provides differ ential matrix switching configured with 6 rows by 32 columns The card can be expanded for 6 x 64 matrix switching using a second card and is capable of 200VDC or 200Vrms 283V peak for AC waveforms 1A switched 60W 125VA maximum Model 7002 HD MUX1 Quad 1 x 40 Differential Multiplexer Card Provides differential quad 1 x 40 multiplexers with programmable multiplex expansion and matrix input switching The card can be expanded for 1 x 80 and 1 x 160 configurations using built in matrix switching can be expanded to 1 x 320 using a second card and is capable of 200VDC or 200Vrms 283V peak for AC waveforms 1A switched 60W 125VA maximum Return to Section 1 topics 2 Installation Section 2 topics Card installation and removal page 2 2 Card installation page 2 3 Card removal page 2 3 2 2 Installation Model 7002 HD User s Manual Introduction WARNING The following information is intended for qualified service personnel Do not perform these procedures unless qualified to do so To prevent electric shock that could result in serious injury or death adhere to following safety preca
6. Figure 4 2 shows a simplified drawing of the analog backplane In general a card is connected to the backplane by closing specific relays but the exact nature of backplane connections will depend on the particular card See the card manual for details Figure 4 2 Analog backplane typical Connection through e HD MUX1 in Card 1 backplane of 7002 HD 7002 HD MUX1 in Card 2 2 To Mux 1 Out and J106 To Mux 1 Out and J106 amp To Mux 2 Out and J106 To Mux 2 Out and J106 2 ii To Mux 3 Out and J110 To Mux 3 Out and J110 E To Mux 4 Out and J110 i ii To Mux 4 Out and J110 i nA InB Col Inc Col nA InB InC InD Col Col Col Col 5120 H ii Col 4x8 Matrix comandi Return to Section 4 topics 4 6 Front Panel Operation Model 7002 HD User s Manual Channel assignments Channel assignments used to program the mainframe are based on the switching card type basic channel designation and the card location in which the card is installed Card 1 or Card 2 Slot designations When programming the Model 7002 HD you must designate the slot depending on the card location Card 1 location slots 1 through 5 e Card 2 location slots 6 through 10 Channel numbers Combining the slot number with the card channel number provides the CHANNEL assignment for the mainframe The slot and card channel are separated by an exclamation point For the following examples CHANNEL refers to the
7. The Model 7002 HD has enhanced external triggering capabilities using the Trig ger Link The Trigger Link has six lines allowing up to six instruments to be con trolled over this trigger bus Trigger Link connections The 8 pin micro DIN sockets used for the Trigger Link are shown in Figure 4 4 The two rear panel Trigger Link connectors are actually connected in parallel to each other The output trigger signals a TTL compatible output pulse that can be used to trig ger other instrumentation The specifications for this trigger pulse are shown in Figure 4 5 The Trigger Link input requires a falling edge TTL compatible pulse with the specifications shown in Figure 4 6 Figure 4 4 Trigger Link connectors TRIGGER LINK IEEE 488 IN OUT MSAN U S A Y P Trigger Link Connectors Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 27 Figure 4 5 Trigger Link output pulse specifications Channel Ready TTL High 3 4V Typical TTL Low 0 25V Typical lt t 10us gt Minimum Figure 4 6 Trigger Link input pulse specifications Triggers on Leading Edge TTL High 2V 5V TTL Low lt 0 8V 2us Trigger Link operation In general Trigger Link input triggers to the Model 7002 HD are used to control scan operation In order for the Model 7002 HD to respond to Trigger Link compat ible triggers the appropriate layers of the scan must be pr
8. 4 With the cursor on the appropriate selection press ENTER One of the fol lowing typical messages will be displayed STORE CHANS AT 001 or STORE LIST AT 001 Both messages indicate that storage will occur at memory location 1 M1 Note that you can cancel the store operation at this time by using the EXIT key to back out of the menu structure If you wish storage to occur at the displayed memory location proceed to step 6 Otherwise use the cursor keys and the numeric keypad to key in the desired memory location 001 to 500 To store the channel pattern or list at the displayed memory location press ENTER Recalling channel patterns Using RECALL Perform the following steps to use RECALL 1 Press RECALL to display the following typical message RECALL CHANS AT 001 The above message indicates that the channel pattern will be recalled from memory location M1 You can exit from the Recall mode without recalling the channel pattern by pressing EXIT The instrument will return to the channel list display state If you wish to recall the channel pattern from the displayed memory loca tion proceed to step 3 Otherwise use the cursor keys and the number keys to key in the desired memory location 001 to 500 To recall the channel pattern from the displayed memory location press ENTER The instrument will return to the channel status display state and display the recalled channel pattern CAUTION q As soon as the displa
9. ARM SOURce IMMediate operation immediately proceeds to the next layer when the instrument is taken out of the idle state The RST and SYSTem PRESet com mands also set the arm control source to Immediate With one of the other control sources selected the instrument will wait until the appropriate event occurs Arm layer2 NOTE Forfront panel operation this layer is called the scan layer In general the instrument requires a scan event to allow operation to proceed to the next layer trigger layer With the Immediate control source selected ARM LAYer2 SOURce IMMediate operation immediately proceeds to the next layer The RST and SYSTem PRESet commands also set the scan control source to Immediate With one of the other control sources selected the instru ment will wait until the appropriate event occurs Trigger layer NOTE For front panel operation this layer is called the channel layer In general measure events control the channel scan rate With the Immediate control source selected TRIGger SOURce IMMediate operation immediately proceeds to the Delay The RST command also sets the measure control source to Immediate With one of the other control sources selected the instrument will wait until the appropriate event occurs Return to Section 5 topics Model 7002 HD User s Manual IEEE 488 Operation 5 9 Common commands Table 5 1 summarizes the common commands used by the Model 7002 HD and are p
10. No error SE Command Error EE Invalid Character EE Syntax Error EE EE Error event SE Status event Model 7002 HD User s Manual Status and Error Messages Table B 1 cont Status and error messages Code number Description 103 104 105 108 109 110 111 112 113 114 120 121 123 124 128 140 141 144 148 150 151 154 158 160 161 168 170 171 178 200 Invalid Separator EE Data Type Error EE GET not allowed EE Parameter not allowed EE Missing Parameter EE Command Header Error EE Command Header Separator Error EE Program mnemonic too long EE Undefined header EE Header suffix out of range EE Numeric data error EE Invalid character in number EE Exponent too large EE Too many digits in number EE Numeric data not allowed EE Character data error EE Invalid character data EE Character data too long EE Character data not allowed EE String data error EE Invalid string data EE String too long String data not allowed EE Block data error EE Invalid block data EE Block data not allowed EE Expression error EE Invalid expression EE Expression data not allowed EE Execution error EE EE Error event SE Status e
11. use a damp cloth or mild water based cleaner Clean the exterior of the instrument only Do not apply cleaner directly to the instrument or allow liquids to enter or spill on the instrument Products that consist of a circuit board with no case or chassis e g data acquisition board for installation into a computer should never require cleaning if handled accord ing to instructions If the board becomes contaminated and operation is affected the board should be returned to the factory for proper cleaning servicing Table of Contents 1 General Information INTFOAUCHOMI cuirrr nine a 1 2 FCalUres ccoaa anice 1 2 Warranty information ssion soens E 1 2 Manual addenda esses essent enne nnne nnne nnne 1 2 Safety symbols and terms eee 1 3 NpISeuteU qe or a e a a Ea AEAEE EEES 1 3 Unpacking and inspection oriire ieri aaeoa EREE S 1 3 Inspection for damage iecere aira E E E IRER 1 3 Shipment Contents pci iaia a 1 3 Manuals aiar 1 4 Repacking for shipment 3 is2 ssscceccecsactsecsesscsauisives ceed eee tre a SERE Eee EVER UE eel 1 4 Optional ACCESSOLISS e derent etr ta 1 4 2 Installation Introduction ee sert CAICOS ORO Res Fe ene RUE RENE OT epe t 2 2 Card installation and removal i 2 2 Card installlati Om iiiter ee roter igs welts SERERE agitarsi 2 3 Car HEM OVA sineren o eair e rir EE piri En PEDES PER CHEER SETS 2 3 3 Getting Started rione E
12. 5 Return to Section 4 topics 4 24 Front Panel Operation Table 4 5 Scan configuration menu Model 7002 HD User s Manual Menu item Description CHAN CONTROL CHANNEL SPACING TIMER EXTERNAL GPIB MANUAL TRIGLINK ASYNCHRONOUS SEMI SYNCHRONOUS IMMEDIATE HOLD NUMBER OF CHANS USE SCANLIST LENGTH CHAN COUNT INFINITE ENTER CHAN COUNT CONTROL SOURCE ACCEPTOR Configure Channel Layer Select channel spacing Use a timer to select each channel in the scan Will be accepted but no valid hardware exists Use a bus trigger to select each channel Use STEP key to select each channel Use a Trigger Link trigger to select each channel Use separate lines for In Out triggers Use same line for In Out triggers Use to scan channels immediately Use to hold up the scan in the channel layer Define number of channels to scan Count number of channel entries in scan list User defined count Repeat channel scanning indefinitely Count user defined value 1 to 9999 Select trigger control mode Enable the Source Bypass Disable the Source Bypass SCAN CONTROL SCAN SPACING TIMER EXTERNAL GPIB MANUAL TRIGLINK IMMEDIATE HOLD NUMBER OF SCANS INFINITE ENTER SCAN COUNT CONTROL SOURCE ACCEPTOR Configure Scan Layer Select scan spacing Use the timer to control scan spacing Will be accepted but no valid hardware exists Use bus triggers to control scan spacing Use STEP key to control scan spacing U
13. 6 blot designations eir id e fei E getan 4 6 Channel numbers pirla Lr tbi ep restet Ie FREE ee E o 4 6 Channel list and scan list eese eene eene 4 6 Enterime ASUS ts oct E 4 7 Closing and opening channels i 4 9 Nhcnipaeund qme 4 10 Scan process Trigger Model eene 4 10 Scan proced rS ape 4 13 Scanning examples iiie dee b ec vui teo durer erga 4 16 Channel patterns STORE and RECALL eene 4 18 Storing channel patterns i 4 18 Recalling channel patterns eese 4 19 MENUS icc ntm p e t e pei he ie ei ode ope ete td 4 20 Using MENUS 56 nett PROP EO UR GIRO RERO DIGO IEEE 4 20 Main MENU 5 5 BORD IEEE ER MGR ERE IM RETE ERE HRS 4 21 Card configuration menu i 4 22 Scan configuration menu eene enne eene nennen 4 23 Tupper LINK G ses 4 26 Trigger Link connections i 4 26 Trigger Link operation esee nennen nnne enne 4 27 IEEE 488 Operation Ihponivi M ia alia rari ia 5 2 Remote Operations srein ii La ei 5 2 IEEE 488 bus connections ri 5 2 Primary address selection nennen nenne 5 4 Front panel IEEE 488 operation nennen enne 5 5 Error and status messages i 5 5 IEEE 488 stats 1ndiCatotS cc 5 5 LOCAL key siii ILA li eis 5 6 TPIS SSL model ciccia 5 6 Idle and in
14. Return 7002 HD to SYSTem PRESet default configuration scan count infinite channel count 10 channels channel control source manual SCAN 1 1 1 10 Define scan list INIT Take 7002 HD out of idle to start scan When the above program is run the scan will arm ARM indicator on and then wait for front panel STEP key presses to control the channel scan After taking the Model 7002 HD out of remote press LOCAL key each press of the STEP key will scan the next channel in the scan list Bus trigger controlled scan The manual scan example is modified so that the channel scan will be controlled by bus triggers TRG or GET SYST PRES Return 7002 HD to SYST PRES defaults SCAN 1 1 1 10 Define scan list TRIG SOUR BUS Program for bus triggers INIT Take 7002 HD out of idle to start scan When the above sequence is run the scan will arm and then wait for bus triggers to control the channel scan Either a TRG or GET command can be used to trig ger the scan Every time one of these commands is sent it will cause the next channel in the scan list to be scanned Return to Section 3 topics 3 12 Getting Started Model 7002 HD User s Manual Timer controlled channel scan The previous manual scan example is modified so the channel scan will be controlled by a timer SYST PRES Return 7002 HD to SYST PRES default SCAN 1 1 1 10 Define scan list TRIG SOUR TIM
15. Warranty information page 1 2 Manual addenda page 1 2 Safety symbols and terms page 1 3 Specifications page 1 3 Unpacking and inspection page 1 3 Inspection for damage page 1 3 Shipment contents page 1 3 Manuals page 1 4 Repacking for shipment page 1 4 Optional accessories page 1 4 1 2 General Information Model 7002 HD User s Manual Introduction This section contains general information about the Model 7002 HD High Density Switch System Features Key features include High Density Switching Up to 400 channels or matrix crosspoints per mainframe using only two switching cards in the CARD 1 and CARD 2 loca tions Slots 1 through 5 are mapped to CARD 1 and slots 6 through 10 are mapped to CARD 2 Analog Backplane Can be used to internally connect the rows or banks of a Model 7002 HD series card installed in one slot to the rows or banks of the Model 7002 HD series cards installed in the other slot Close Open or Scan The Model 7002 HD can close and or open one or more channels or scan through a specified list of channels Memory Up to 500 channel patterns pattern of open and closed channels and 10 customized instrument setups can be saved in memory for later recall IEEE 488 Bus Bus operation conforms to the IEEE 488 2 and SCPI standards Trigger Link Trigger link provides more versatile and precise external triggering Warranty information Warranty information is located on the
16. and front panel operation is restored TALK This indicator is on when the instrument is in the talker active state The unit is placed in this state by addressing it to talk with the correct MTA My Talk Address command TALK is off when the unit is in the talker idle state The instru ment is placed in the talker idle state by sending it an UNT Untalk command addressing it to listen or with the IFC Interface Clear command LSTN This indicator is on when the Model 7002 HD is in the listener active state which is activated by addressing the instrument to listen with the correct MLA My Listen Address command Listen is off when the unit is in the listener idle state The unit can be placed in the listener idle state by sending UNL Unlis ten addressing it to talk or by sending IFC Interface Clear over the bus SRQ The instrument can be programmed to generate a service request SRQ when one or more errors or conditions occur When this indicator is on a service request has been generated This indicator will stay on until the serial poll byte is read Return to Section 5 topics 5 6 IEEE 488 Operation Model 7002 HD User s Manual LOCAL key The LOCAL key cancels the remote state and restores local operation of the instrument Since all front panel keys except LOCAL are locked out when the instrument is in remote this key provides a convenient method of restoring front panel operation Pressing LOCAL also turns
17. back into the channel layer since IMMEDIATE scan spacing is selected The next channel spacing event will select the first channel Channel patterns STORE and RECALL A channel pattern is a pattern of open and closed channels that is stored in mem ory Up to 500 channel patterns can be stored in memory There are two methods to store a channel pattern One method is to actually close and open the desired channels and then save that pattern into memory The other method is to define a list of channels and then save that channel list into memory The channels defined in the list will be the closed channels of the pattern All the unlisted channels will be open Storing channel patterns Perform the following steps to store a channel list in memory 1 Decide on the storage method you wish to use a If you want to store an actual pattern of open and closed channels into memory go ahead and open and close the desired channels b If you want to store a list of the closed channels for the channel pattern go ahead and define the channel list Press STORE to display the following menu STORE TO MEMORY RELAY PATTERN CURRENT LIST Place the cursor on the appropriate selection a Place the cursor on RELAY PATTERN if storing the actual pattern of open and closed channels b Place the cursor on CURRENT LIST if storing the defined channel list Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 19
18. characters indicate the short form version for each command word 4 At least one space is required between a command word and the parameter Return to Section 5 topics Specifications A 2 Specifications SYSTEM EXPANSION Two plug in cards per mainframe CARD COMPATIBILITY Compatible with 7002 HD MTX1 and 7002 HD MUXI cards MEMORY Battery backed up storage for 500 channel patterns SWITCH SETTLING TIME Automatically selected by the mainframe Additional time from 0 to 99999 999 seconds can be added in Ims increments INPUT TRIGGER SOURCES IEEE 488 bus GET TRG Trigger Link external trigger Manual front panel Internal Timer programmable from I ms to 99999 999 seconds in 1ms increments CHANNEL READY OUTPUT Trigger Link SWITCHING SEQUENCE Break before make On Default Off ANALOG BACKPLANE SIGNALS 32 single pole paths These signals provide matrix and multiplexer expansion between cards within one mainframe THROUGHPUT EXECUTION SPEED OF SCANLIST Individual Channels Channel Patterns External External 7002 HD External Trigger External Trigger Re Trigger Cards Trigger Rate Speed Trigger Rate Speed Hold off MTXI lt 128 s gt 7 9ms 100 s gt 10 0ms 70 5ms MUXI lt 128 s gt 7 9ms 100 s gt 10 0ms 70 5ms Model 7002 HD User s Manual 7002 HD High Density Switch System General DISPLAY Dual line vacuum fluorescent Ist line 20 character alphanumeric 2n
19. inside front cover of this manual Should your Model 7002 HD require warranty service contact the Keithley representative or authorized repair facility in your area for more information When returning the card for repair be sure to fill out and include the service form at the back of this manual in order to provide the repair facility with the necessary information Manual addenda Any improvements or changes concerning the manual will be explained in an addendum included with the instrument Return to Section 1 topics Model 7002 HD User s Manual General Information 1 3 Safety symbols and terms The following symbols and terms may be found on an instrument or used in this manual lfa S screw is present connect it to safety earth ground using the wire recom mended in the manual The A symbol on equipment indicates that you should refer to the operating instructions located in the manual The symbol on an instrument shows that it can source or measure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages The symbol indicates a connection terminal to the equipment frame The WARNING heading used in this manual explains dangers that could result in personal injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading used in this manual explains h
20. not perform a scan From the front panel the Model 7002 HD is taken out of the idle state by pressing the STEP key When not in the idle state ARM indicator on the scanning function is considered to be enabled A scan can be aborted at any time by pressing the OPEN ALL key The Model 7002 HD will return to the idle state Once the instrument is taken out of the idle state operation proceeds into the arm layer of the Trigger Model Arm layer In general the instrument requires an arm event to allow operation to proceed to the next layer scan layer With Immediate arm spacing selected operation immediately proceeds to the next layer when the instrument is taken out of the idle state RESET and factory defaults set arm spacing to Immediate With one of the other arm spac ing events selected the instrument waits until the appropriate event occurs Operation in the scan layer is similar to operation in the arm layer except that spacing is controlled by scan events rather than arm events A timer is available in this layer to control scan spacing When Timer scan spacing is selected operation will immediately proceed into the channel layer on the initial pass through the scan layer Each additional scan 1 to 9999 or infinite will not occur until the pro grammed timer interval elapses The timer can be set to an interval from 1 milli second to 99999 999 seconds The Source Bypass and Output Trigger function in the same manner as t
21. off the REM indicator and returns the display to nor mal if a user defined message was displayed Note that the LOCAL key is also inoperative if the LLO Local Lockout command is in effect Trigger model The following information describes the operation process of the Model 7002 HD over the IEEE 488 bus The flowchart in Figure 5 4 which summarizes operation over the bus is called the Trigger Model It is called the Trigger Model because operation is controlled by SCPI commands from the Trigger subsystem Notice that key SCPI commands are included in the Trigger Model Return to Section 5 topics Model 7002 HD User s Manual IEEE 488 Operation 5 7 Figure 5 4 Trigger Model IEEE 488 bus operation ABORt RST SYST PRES AINIT or INIECONT ON Idle i Initiate ARM TCONfigure DIRection SOURce No Source Bypass Enabled Arm Layer 1 ARM IMMediate ARM COUNt n ARM SIGNal Arm Layer k x Output Arm Event Trigger Detection ARM SOURce IMMediate ARM SOURce MANual C ARM SOURce BUS im ARM SOURce TLINk keem ARM SOURce HOLD Yer2 TCONfigure DIRection SOURce Source Bypass Enabled Arm Layer 2 ARM LAYer2 IMMediate ARM LAYer2 SIGNal ARM LAYer2 COUNt lt n gt Scan Layer Y cy Scan Event D Detection Output Trigger ARM LAYer2 SOURce IMMediate ARM LAYer2 SOURce MANual lt Yes ARM LAYer2 SOURce BUS ARM L
22. pro gramming channel assignment for the mainframe while Channel refers to the channel number of the switching card CHANNEL 1 1 Slot 1 Channel 1 Card 1 CHANNEL 4120 Slot 4 Channel 20 Card 1 CHANNEL 9 2 Slot 9 Channel 2 Card 2 CHANNEL 6 36 Slot 6 Channel 36 Card 2 See the card manual for details on the particular card being used Channel list and scan list The Model 7002 HD can perform two basic operations it can close and open a list of channels and it can scan through a list of channels The following paragraphs explain how to enter channels for these operations The basic operations are explained in Closing and opening channels on page 4 9 and Scan procedure on page 4 13 Each operation has its own list For basic close open operation channels are entered into the channel list For scan operation channels are entered into the scan list For basic close open operation the order of channels in the channel list is not important since all listed channels will either close or open at the same time For scan operation the order of channels is important Channels will be scanned in the order that they are presented in the scan list Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 7 Entering lists Perform the following steps to create a channel list or scan list using the front panel keys Step 1 Make sure appropriate list is selected Open close operations use t
23. provides the details for all aspects of operation WARNING Before turning the Model 7002 HD on make sure it is con nected to a grounded power receptacle using the supplied power cord or equivalent Failure to properly ground the unit creates a shock hazard that could result in injury or death Create channel list and or scan list A channel list must be specified in order to close channels and a scan list must be specified in order to scan channels Step 1 Select list SELECT CHANNELS channel list SCAN CHANNELS scan list Press the SCAN LIST key to toggle between the channel list and the scan list The EXIT key also selects the channel list Step 2 Enter channels Pressing the CLEAR LIST key removes all channels from the selected list Formats SICH where S slot CH channel 1 Use the number keys to enter a non matrix channel slot channel 2 Press ENTER or right cursor key to separate entries or terminate the list 3 Use the hyphen key between channels to specify a range of channels i e 1 1 1 10 channels 1 through 10 Return to Section 3 topics Model 7002 HD User s Manual Getting Started 3 7 Close and Open channels Press the CLOSE key to close the channels specified in the channel list Pressing the OPEN key will open the channels specified in the channel list The OPEN ALL key opens all channels including any channels not included in the list NOTE A channel will remain closed until the O
24. set for each slot This delay is invoked after each channel of that slot is closed By setting Channel Spacing for Im mediate the scan rate will for the most part be controlled by the DELAY period Step 2 Starting the Scan Assuming the instrument is in the idle state ARM indicator on VFD off a scan will not start until the STEP key is pressed This takes the instrument out of the idle state ARM indicator on The scan will then proceed according to how it was programmed in Step 1 A scan can be aborted at any time by pressing the OPEN ALL key Return to Section 3 topics Model 7002 HD User s Manual Getting Started 3 9 IEEE 488 operation summary The following paragraphs discuss fundamental information concerning operation over the IEEE 488 bus More information on operating the instrument from over the bus is contained in Section 5 of this manual Bus connections Before using the instrument over the bus you must connect the IEEE 488 connector on the rear panel of the instrument to the IEEE 488 connector of your controller Use a Keithley Model 7007 or similar IEEE 488 cable for this connection Primary address The primary address of the Model 7002 HD must agree with the primary address you intend to specify in the controllers programming language The factory setting for the primary address is 7 so if you intend to use that address you need not change it However the primary address can be set to any value betwee
25. the instru ment to the channel status display state To change the primary address use the keypad to display the new address value 0 to 30 and press ENTER Press EXIT two times to return to the channel status display state Return to Section 5 topics Model 7002 HD User s Manual IEEE 488 Operation 5 5 Front panel IEEE 488 operation The following paragraphs discuss aspects of the front panel that are part of IEEE 488 operation including messages status indicators and the LOCAL key Error and status messages Table B 1 on page B 2 summarizes the error and status messages associated with Model 7002 HD operation Note that the instrument may be programmed to generate an SRQ and command queries can be performed to check for specific error conditions see Section 5 of the Model 7002 HD Reference Manual IEEE 488 status indicators The REM remote TALK talk LSTN listen and SRQ service request annun ciators show the present IEEE 488 status of the instrument Each of these indica tors is briefly described below REM As the name implies this indicator shows when the instrument is in the remote state Note that REM does not necessarily indicate the state of the REM line as the instrument must be addressed to listen with REM true before the REM indicator turns on When the instrument is in remote all front panel keys except for the LOCAL key are locked out When REM is turned off the instrument is in the local state
26. trigger line The positive going edge will trigger the meter to per form a measurement and subsequently pull the trigger line back down to close the next channels This process continues until all channels are scanned and mea sured Return to Section 4 topics o IEEE 488 Operation Section 5 topics Remote operations page 5 2 IEEE 488 bus connections page 5 2 Primary address selection page 5 4 Front panel IEEE 488 operation page 5 5 Error and status messages page 5 5 IEEE 488 status indicators page 5 5 LOCAL key page 5 6 Trigger model page 5 6 Idle and initiate page 5 8 Arm layer1 page 5 8 Arm layer2 page 5 8 Trigger layer page 5 8 Common commands page 5 9 SCPI commands page 5 11 DISPlay subsystem page 5 11 ROUTe subsystem page 5 12 Sense subsystems page 5 13 STATus subsystem page 5 14 SYSTem subsystem page 5 16 Trigger subsystem page 5 16 NOTE This section contains only basic information on IEEE 488 operation For complete details see Section 5 of the Model 7002 HD Reference Manual 5 2 IEEE 488 Operation Model 7002 HD User s Manual Introduction This section contains basic information on using the Model 7002 HD over the IEEE 488 bus Remote operations IEEE 488 bus connections The Model 7002 HD can be connected to the IEEE 488 bus through a cable equipped with standard IEEE 488 connectors an example is shown in Figure 5 1 The connector can be stacked to allow a number of par
27. 02 HD User s Manual STATus subsystem The status subsystem is used to control the status registers of the Model 7002 HD The commands in this subsystem are summarized in Table 5 5 Table 5 5 STATus command summary Command Description STATus OPERation Path to control operation event registers EVENt Query event register ENABle lt NRf gt Program the enable register ENABle Query enable register PTRansition lt NRf gt Program the positive transition register PTRansition Query positive transition register NTRansition lt NRf gt Program the negative transition register NTRansition Query negative transition register CONDition Query condition register ARM Path to control arm event registers EVENt Query event register ENABle lt NRf gt Program the enable register ENABle Query enable register PTRansition lt NRf gt Program the positive transition register PTRansition Query positive transition register NTRansition lt NRf gt Program the negative transition register NTRansition Query negative transition register CONDition Query condition register SEQuence Path to control the sequence event registers EVENt Query event register ENABle lt NRf gt Program the enable register ENABle Query enable register PTRansition lt NRf gt Program the positive transition register PTRansition Query positive transition register NTRansition lt NRf gt Program the negative transition regi
28. 10 wwwkeithley com cn Finland Helsinki e 09 5306 6560 Fax 09 5306 6565 www keithley com France Saint Aubin 01 64 53 20 20 Fax 01 60 11 77 26 www keithley fr Germany Germering 089 84 93 07 40 Fax 089 84 93 07 34 wwwkeithley de Great Britain Theale 0118 929 7500 Fax 0118 929 7519 wwwkeithley co uk India Bangalore 080 2212 8027 Fax 080 2212 8005 wwwkeithley com Italy Milano 02 48 39 16 01 Fax 02 48 39 16 28 wwwkeithley it Japan Tokyo 81 3 5733 7555 Fax 81 3 5733 7556 www keithley jp Korea Seoul 82 2 574 7778 Fax 82 2 574 7838 wwwkeithley com Netherlands Gorinchem 0183 635333 Fax 0183 630821 wwwkeithley nl Singapore Singapore 65 6747 9077 Fax 65 6747 2991 www keithley com Sweden Solna 08 509 04 600 Fax 08 655 26 10 wwwkeithley com Taiwan Hsinchu 886 3 572 9077 Fax 886 3 572 9031 wwwkeithley com tw Copyright 2004 Keithley Instruments Inc Printed in U S A 11 04
29. AYer2 SOURce TIMer ARM LAYer2 SOURce TLINk ARM LAYer2 SOURce HOLD Y ARM LAYer2 DELay n Delay I Je iTRIGger TCONfigure DIRection SOURce Source Bypass Enabled Trigger Layer TRIGger IMMediate auone TRIGger COUNt lt n gt TRIGger SIGNal TRIGger COUNt AUTO lt b gt Channel Layer 3 3 I lt Channel Event Detection Output Trigger E TRIGger SOURce IMMediate TRIGger SOURce MANual TRIGger SOURce BUS TRIGger SOURce TIMer TRIGger SOURce TLINK TRIGger SOURce HOLD TRIGger DELay n Delay Return to Section 5 topics 5 8 IEEE 488 Operation Model 7002 HD User s Manual Idle and initiate The instrument is considered to be in the idle state whenever it is not operating within one of the layers of the Trigger Model The front panel ARM indicator is off when the instrument is in the idle state While in the idle state the instrument cannot perform any scan functions Over the bus there are two SCPI commands that can be used to take the instrument out of the idle state INITiate or INITiate CONTinuous ON Arm layer1 NOTE Forfront panel operation this layer is called the arm layer In general the instrument requires an arm event to allow operation to proceed to the next layer Arm Layer 2 With the Immediate control source selected
30. General rules for using menus 1 2 Press the appropriate key to access the desired menu Pressing the EXIT key causes the display to back up to the previous menu level Also keyed in parameter changes are ignored if an EXIT is per formed When the menu is displayed pressing EXIT will disable the menu The position of the cursor is denoted by the blinking menu selection or parameter The cursor is moved from one item to the next using the cursor keys A displayed arrow indicates that there is more information or additional menu items to select from When the right arrow is displayed use the right cursor key to display the additional message s and conversely when the left arrow is displayed use the left cursor key A numeric parameter is keyed in by placing the cursor on the digit to be changed and pressing the appropriate key on the keypad Return to Section 4 topics Model 7002 HD User s Manual Main MENU Front Panel Operation 4 21 The main menu can be accessed by pressing the MENU key Table 4 1 summarizes these menu selections Table 4 1 Main MENU structure Menu item Description SAVESETUP Setup Menu SAVE Save setup at a memory location up to 10 RESTORE Return 7002 HD to setup stored at a memory location PWRON Power on Menu FACTORY DEFAULT Power on to factory default setup conditions Table 4 2 USER SETUP Power on to setup stored at a memory location RESET Return 7002 HD to original power on setu
31. LINK SCAN SPACING TIMER GPIB MANUAL or TRIGLINK CHANNEL SPACING TIMER GPIB MANUAL or TRIGLINK 1 Press OPEN ALL to open all channels and place the Model 7002 HD in the idle state 2 Press STEP to take the 7002 HD out of the idle state 3 The arm spacing event allows operation to pass into the scan layer 4 The first scan spacing event passes operation into the channel layer 5 The first channel spacing event will scan the first channel in the scan list 6 The next channel spacing event will scan the second channel 7 The next scan spacing event will pass operation back into the channel layer 8 The next channel spacing event will scan the first channel 9 The next channel spacing event will scan the second channel and disarm idle the scanner Example 4 ARM SPACING MANUAL GPIB or TRIGLINK SCAN SPACING IMMEDIATE CHANNEL SPACING TIMER GPIB MANUAL or TRIGLINK Return to Section 4 topics 4 18 Front Panel Operation Model 7002 HD User s Manual Press OPEN ALL to open all channels and place the Model 7002 HD in the idle state Press STEP to take the 7002 HD out of the idle state The arm spacing event allows operation to pass into the scan layer Operation passes immediately into the channel layer since IMMEDIATE scan spacing is selected The first channel spacing event will scan the first channel in the scan list The next channel spacing event will select the second channel Operation passes automatically
32. N menu select CHAN CONTROL 2 From the CHANNEL CONTROL menu select CHANNEL SPACING Return to Section 4 topics 4 14 Front Panel Operation Model 7002 HD User s Manual 3 From the SELECT CHAN SPACING menu select one of the following to control the process of scanning channels a TIMER Use to set a time interval 1 millisecond to 99999 999 sec onds between channels b GPIB With this selection bus triggers GET or TRG control chan nel spacing Each bus trigger received by the Model 7002 HD will select the next channel of the scan c MANUAL With this selection the front panel STEP key is used to control channel spacing Each press of the STEP key will select the next channel of the scan d TRIGLINK With this selection triggers received over the Trigger Link will control channel spacing Each trigger will select the next channel in the scan e IMMEDIATE With this selection events are not used to control chan nel spacing Only the time delay for relay settling and an optional DELAY programmed by the user affect channel spacing in the scan 4 Fromthe CHANNEL CONTROL menu select NUMBER OF CHANS 5 From the NUMBER OF CHANNELS menu select one of following items to specify the number of channels to scan a USE SCANLIST LENGTH With this selection a single scan of all the channels in the scan list will occur for every programmed scan scan count b CHAN COUNT With this selection you have the fol
33. Other brand names are trademarks or registered trademarks of their respective holders Mazim Safety Precautions The following safety precautions should be observed before using this product and any associated instrumentation Although some instruments and accessories would normally be used with non hazardous voltages there are situations where hazardous conditions may be present This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read and follow all installation operation and maintenance information carefully before using the product Refer to the manual for complete product specifications If the product is used in a manner not specified the protection provided by the product may be impaired The types of product users are Responsible body is the individual or group responsible for the use and maintenance of equipment for ensuring that the equip ment is operated within its specifications and operating limits and for ensuring that operators are adequately trained Operators use the product for its intended function They must be trained in electrical safety procedures and proper use of the instrument They must be protected from electric shock and contact with hazardous live circuits Maintenance personnel perform routine procedures on the product to keep it operating properly for example setting the line voltage or replaci
34. PEN ALL or OPEN key is used Channel status can be determined only via remote See Section 5 Scan channels Perform the following steps to scan the channels defined in the scan list Step 1 Configure the layers of the Trigger Model Arm layer Factory power on defaults set Arm Spacing to Immediate and the Arm Count to 1 For most scans these settings do not need to be changed Scan layer Factory power on defaults set Scan Spacing to Immediate and the scan count to Infinite For most scans Immediate arm spacing is appropriate and does not have to be changed Scan count specifies how many times you want a channel scan to repeat If you do not want the scan to continue indefinitely change the scan count as follows 1 Press SCAN CONFIGURATION to display the CONFIGURE SCAN menu 2 Place the cursor on SCAN CONTROL and press ENTER to display the SCAN CONTROL menu 3 Place the cursor on NUMBER OF SCANS and press ENTER to display the NUMBER OF SCANS menu 4 Place the cursor on ENTER SCAN COUNT and press ENTER to display the currently selected scan count Note that 0000 indicates that the scan count is currently set to infinite 5 Use the keypad to key in the desired scan count and press ENTER 6 Use EXIT to back out of the menu structure Channel layer Factory power on defaults set Channel Spacing to Manual and the channel count to the scan list length number of channels in the scan list For most scans using Return
35. TIES EXPRESSED OR IMPLIED INCLUD ING 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 SHALL BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS INC HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES SUCH EXCLUDED DAM AGES SHALL INCLUDE BUT ARE NOT LIMITED TO COSTS OF REMOVAL AND INSTALLATION LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON OR DAMAGE TO PROPERTY KEITHLEY A GREATER MEASURE OF CONFIDENCE Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 534 8453 www keithley com Belgium Sint Pieters I eeuw 02 363 00 40 Fax 02 363 00 64 wwwkeithley nl China Beijing 8610 55010010 Fax 8610 82255010 wwwkeithley com cn Finland Helsinki 09 5306 6560 e Fax 09 5306 6565 www keithley com France Saint Aubin 01 64 53 20 20 Fax 01 60 11 77 26 e wwwkeithley fr Germany Germering 089 84 93 07 40 e Fax 089 84 93 07 34 www keithley de Great Britain Theale 0118 929 7500 Fax 0118 929 7519 wwwkeithley co uk India Bangalore 080 2212 8027 Fax 080 2212 8005 wwwkeithley com Italy Milano 02 48 39 1601 Fax 02 48 39 16 28 wwwk
36. TRIGGER LINK IEEE 488 IN OUT Pr rr MADE IN U S A b LINE RATING KEITHLEY si 15A MAX 100 240VAC 50 60Hz 1 CARD 1 2 3 IEEE 488 Connector CARD 1 Slots 1 5 Use standard IEEE 488 cables CARD 2 Slots 6 10 2 TRIGGER LINK 4 Line Power Receptacle Two micro 8 pin Din connectors WARNING Connect to grounded i i outlet using three wire power Use trigger link cables cord Return to Section 3 topics Model 7002 HD User s Manual Getting Started 3 5 Channel assignments The Model 7002 HD uses five slot designations for control of all relays To control the appropriate relay the slot number must be included with the channel number when you specify a channel The channel assignment is formatted as follows SICH where S is the slot number CH is the channel number Examples 1H Slot 1 Channel 1 5110 Slot 5 Channel 10 NOTE The specific channel mapping will depend on the particular card being used Consult the card manual for details Card 1 When a card is used in the Card 1 position of the Model 7002 HD it will be con trolled using slots 1 through 5 Card 2 When a card is used in the Card 2 position of the Model 7002 HD it will be con trolled using slots 6 through 10 Return to Section 3 topics 3 6 Getting Started Model 7002 HD User s Manual Front panel operation summary The following information summarizes the general procedure to open close and scan channels Section 4 of this manual
37. UAL or TRIGLINK 1 Press OPEN ALL to open all channels and place the Model 7002 HD in the idle state 2 Press STEP to take the 7002 HD out of the idle state ARM indicator turns on 3 The first scan spacing event will pass operation into the channel layer 4 The first channel spacing event will scan the first channel in the scan list 5 The next channel spacing event will scan the second channel 6 The next scan spacing event will pass operation back into the channel layer 7 The next channel spacing event will scan the first channel 8 The next channel spacing event will scan the second channel and disarm idle the scan Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 17 Example 2 ARM SPACING IMMEDIATE SCAN SPACING IMMEDIATE CHANNEL SPACING TIMER GPIB MANUAL or TRIGLINK 1 Press OPEN ALL to open all channels and place the Model 7002 HD in the idle state 2 Press STEP to take the 7002 HD out of idle state and operation into the channel layer 3 The first channel spacing event will scan the first channel 4 The next channel spacing event will scan the second channel 5 Operation passes automatically back into the channel layer since IMMEDIATE scan spacing is selected 6 The next channel spacing event will scan the first channel 7 The next channel spacing event will scan the second channel and disarm idle the scan Example 3 ARM SPACING MANUAL GPIB or TRIG
38. aced in queue DISable Query disabled messages Notes 1 Brackets are used to denote optional character sets These optional characters do not have to be included in the program message Do not use brackets in the program message 2 Angle brackets lt gt are used to indicate parameter type Do not use angle brackets lt gt in the program message 3 Upper case characters indicate the short form version for each command word 4 At least one space is required between a command word and the parameter Return to Section 5 topics 5 16 IEEE 488 Operation Model 7002 HD User s Manual SYSTem subsystem The system subsystem contains miscellaneous commands and are summarized in Table 5 6 Table 5 6 SYSTem command summary Command Description SYSTem PRESet Return to SYST PRES defaults POSetup lt name gt Select power on setup RST PRESet SAVO SAV9 POSetup Query power on setup VERSion Query revision level of SCPI standard ERRor Query Error Queue Notes 1 2 3 4 At least one space is required between a command word and the parameter Brackets are used to denote optional character sets These optional characters do not have to be included in the program message Do not use brackets in the program message Angle brackets lt gt are used to indicate parameter type Do not use angle brackets lt gt in the pro gram message Upper case character
39. allel connections to one instrument Two screws are located on each connector to ensure that connections remain secure Figure 5 1 IEEE 488 connector A typical connecting scheme for a multi unit test system is shown in Figure 5 2 Although any number of connectors could theoretically be stacked on one instru ment it is recommended that you stack no more than three connectors on any one unit to avoid possible mechanical damage In order to minimize interference caused by electromagnetic radiation it is recommended that only shielded IEEE 488 cables be used The Model 7007 shielded IEEE 488 cables are available from Keithley Return to Section 5 topics Model 7002 HD User s Manual IEEE 488 Operation 5 3 Figure 5 2 IEEE 488 connections Instrument Instrument Instrument Controller Connect the Model 7002 HD to the IEEE 488 bus as follows 1 Line up the cable connector with the connector located on the rear panel The connector is designed so that it will fit only one way Figure 5 3 shows the location of the IEEE 488 connector on the instrument 2 Tighten the screws securely but do not overtighten them 3 Add additional connectors from other instruments as required 4 Make certain that the other end of the cable is properly connected to the controller Note that the IEEE 488 bus is limited to a maximum of 15 devices including the controller The maximum cable length is 20 meters or two meters times the num ber
40. azards that could damage the multiplexer card Such damage may invalidate the warranty Specifications Model 7002 HD specifications are located at the end of this manual Unpacking and inspection Inspection for damage The Model 7002 HD was carefully inspected both electrically and mechanically before shipment After unpacking all items from the shipping carton check for any obvious signs of physical damage that may have occurred during transit Report any damage to the shipping agent immediately Save the original packing carton for possible future reshipment Shipment contents The following items are included with every order e Model 7002 HD High Density Switch System e Hard copy of the 7002 HD User s Manual PDF copies of the Model 7002 HD User s and Reference Manuals on CD ROM e Additional accessories as ordered Return to Section 1 topics 1 4 General Information Model 7002 HD User s Manual Manuals If additional Model 7002 HD manuals are required order the manual package Keithley part number 7002HD 900 00 The manual package includes manuals and any pertinent addenda Repacking for shipment Should it become necessary to return the Model 7002 HD for repair carefully pack the unit in its original packing carton or the equivalent and include the follow ing information e Call the Repair Department at 1 800 552 1115 for a Return Material Autho rization RMA number e Advise as to the warranty status of the card
41. before measuring Operators of this product must be protected from electric shock at all times The responsible body must ensure that operators are prevented access and or insulated from every connection point In some cases connections must be exposed to potential human contact Product operators in these circumstances must be trained to protect themselves from the risk of electric shock If the circuit is capable of operating at or above 1000 volts no conductive part of the circuit may be exposed Do not connect switching cards directly to unlimited power circuits They are intended to be used with impedance limited sourc es NEVER connect switching cards directly to AC mains When connecting sources to switching cards install protective de vices to limit fault current and voltage to the card Before operating an instrument make sure the line cord is connected to a properly grounded power receptacle Inspect the con necting cables test leads and jumpers for possible wear cracks or breaks before each use When installing equipment where access to the main power cord is restricted such as rack mounting a separate main input pow er disconnect device must be provided in close proximity to the equipment and within easy reach of the operator For maximum safety do not touch the product test cables or any other instruments while power is applied to the circuit under test ALWAYS remove power from the entire test system and discharge any capa
42. citors before connecting or disconnecting ca 5 03 bles or jumpers installing or removing switching cards or making internal changes such as installing 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 Al ways make measurements with dry hands while standing on a dry insulated surface capable of withstanding the voltage being measured The instrument and accessories must be used in accordance with its specifications and operating instructions or the safety of the equipment may be impaired Do not exceed the maximum signal levels of the instruments and accessories as defined in the specifications and operating in formation and as shown on the instrument or test fixture panels or switching card When fuses are used in a product replace with same type and rating for continued protection against fire hazard Chassis connections must only be used as shield connections for measuring circuits NOT as safety earth ground connections If you are using a test fixture keep the lid closed while power is applied to the device under test Safe operation requires the use of a lid interlock Ifa screw is present connect it to safety earth ground using the wire recommended in the user documentation The A symbol on an instrument indicates that the user should refer to the operating instructions located in the manual The A symbol on an instrum
43. configure arm layers Path to program arm layer 1 Immediately go to Layer2 Program arm count 1 to 9999 or INF Query arm count Select control source HOLD IMMediate MANual BUS TLINk Query control source Loop around control source Path to configure Triggers Enable SOURce or disable ACCeptor Bypass Query direction Path to configure asynchronous Trigger Link Select input line 1 to 6 Query input line Select output line 1 to 6 Query output line Path to program arm layer 2 Immediately go to Trigger Layer Program scan count 1 to 9999 or INF Query scan count Program delay 0 to 99999 999 seconds Query delay Select control source HOLD IMMediate TIMer MANual BUS TLINk Query control source Set timer interval 0 to 99999 999 seconds Query timer Loop around control source Return to Section 5 topics 5 18 IEEE 488 Operation Model 7002 HD User s Manual Table 5 7 Trigger command summary Command Description ARM SEQuence f1 LAYer2 TCONfigure Path to configure Triggers DIRection lt name gt Enable SOURce or disable ACCeptor Bypass DIRection Query direction ASYNchronous Path to configure asynchronous Trigger Link ILINe lt NRf gt Select input line 1 to 6 ILINe Query input line OLINe lt NRf gt Select output line 1 to 6 OLINe Query output line TRIGger SEQuence 1 Path to program trigger layer IMMediate Immediately perform a scan step COUNt
44. d in the scan list determines the channel order for the scan Scan process Trigger Model The following information describes front panel control of the scan process The flowchart Trigger Model in Figure 4 3 summarizes scan operation from the front panel Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 11 Figure 4 3 Trigger model front panel scan process OPEN ALL Cide Idle STEP No Yes Another N Arm Count Arm Trigger Control Source Am Source Bypass Enabled j Output Trigger A L Arm Event rm Layer Detection Yes Manual Immediate GPIB Triglink Hold No Scan Trigger Control Source Source Bypass Enabled Yes Another Number of Scans Scan Event Scan Output Layer Trigger Timer GPIB Yes Manual Triglink Source Immediate Bypass Hold Enabled No Another Number of Channels Channel Trigger Control Source Source Bypass Enabled Channel Layer Channel Event Detection Timer GPIB Manual Triglink Immediate Hold Scan Channel Device Action Take bypass path the first time a layer is entered Return to Section 4 topics 4 12 Front Panel Operation Model 7002 HD User s Manual Idle The instrument is considered to be in the idle state whenever it is not operating within one of the layers of the Trigger Model The front panel ARM indicator is off when the instrument is in the idle state While in the idle state the instrument can
45. d line 32 character alphanumeric REAR PANNEL CONNECTORS IEEE 488 8 pin micro DIN connector for Trigger Link 8 pin micro DIN connector for Trigger Link expansion Power 100V to 240Vrms 50 60Hz 50VA maximum mainframe only 150VA maximum mainframe with two cards at maximum closed channels WARRANTY 1 year EMC Complies with European Union Directive 89 336 EEC EN61326 1 SAFETY Conforms to European Union Directive 73 23 EEC EN61010 1 OPERATING ENVIRONMENT Maximum Closed 7002 HD Cards Channels Temperature Humidity MTXI 150 0 C to 50 C 50 RH at 35 C MUXI 150 0 C to 50 C 50 RH at 35 C STORAGE ENVIRONMENT 25 C to 65 C ALTITUDE Maximum 2000m above sea level RACK MOUNT DIMENSIONS Configuration Height Width Depth 7002 HD 89mm 213mm 537mm 3 5 in 8 375 in 21 125 in Installed MTX1 89mm 213mm 562mm 3 5 in 8 375 in 22 125 in Installed MUX1 89mm 213mm 562mm 3 5 in 8 375 in 22 125 in WEIGHT lt 5 7 kg 12 6 Ib ACCESSORIES SUPPLIED Front rack mount kit rear rack mount kit line cord and instruction manual ACCESSORIES AVAILABLE Card Description 7002 HD MTX1 6x32 Differential Matrix MTX1 7002 HD MUX1 Quad 1x40 Differential Multiplexer MUX1 7002 HD Notes Display off 2 Time from the output of a Channel Ready pulse until a new External Trigger will be accepted on the 8 pin micro DIN connector 3 For indoor use only Refe
46. eithley it Japan Tokyo 81 3 5733 7555 Fax 81 3 5733 7556 www keithley jp Korea Seoul 82 2 574 7778 Fax 82 2 574 7838 wwwkeithley com Netherlands Gorinchem 0183 635333 Fax 0183 630821 www keithley nl Singapore Singapore 65 6747 9077 Fax 65 6747 2991 wwwkeithley com Sweden Solna 08 509 04 600 Fax 08 655 26 10 wwwkeithley com Taiwan Hsinchu 886 3 572 9077 Fax 886 3 572 9031 wwwkeithley com tw 11 04 Model 7002 HD High Density Switch System User s Manual 2004 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A First Printing November 2004 Document Number 7002HD 900 01 Rev A Manual Print History The print history shown below lists the printing dates of all Revisions and Addenda created for this manual The Revision Level letter increases alphabetically as the manual undergoes subsequent updates Addenda which are released between Revisions contain important change information that the user should incorporate immediately into the manual Addenda are numbered sequentially When a new Revision is created all Addenda associated with the previous Revision of the manual are incorporated into the new Revision of the manual Each new Revision includes a revised copy of this print history page Revision A Document Number 7002HD 900 01 ii November 2004 All Keithley product names are trademarks or registered trademarks of Keithley Instruments Inc
47. ent shows that it can source or measure 1000 volts or more including the combined effect of normal and common mode voltages Use standard safety precautions to avoid personal contact with these voltages The i symbol indicates a connection terminal to the equipment frame The WARNING heading in a manual explains dangers that might result in personal injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the war ranty Instrumentation and accessories shall not be connected to humans Before performing any maintenance disconnect the line cord and all test cables To maintain protection from electric shock and fire replacement components in mains circuits including the power transformer test leads and input jacks must be purchased from Keithley Instruments Standard fuses with applicable national safety ap provals may be used if the rating and type are the same Other components that are not safety related may be purchased from other suppliers as long as they are equivalent to the original component Note that selected parts should be purchased only through Keithley Instruments to maintain accuracy and functionality of the product If you are unsure about the applicability of a replacement component call a Keithley Instruments office for information To clean an instrument
48. era tion to proceed to the scan layer Return to Section 4 topics 4 16 Front Panel Operation Model 7002 HD User s Manual d TRIGLINK With this selection triggers received over the Trigger Link will control arm spacing A trigger will allow operation to proceed to the scan layer 4 From the SETUP ARM CONTROL menu select ARM COUNT 5 From the ARM COUNT menu select one of following items to specify the number of arms to be performed a INFINITE With this selection the number of arms is infinite b ENTER ARM COUNT Use this selection to define the number of arms 1 to 9999 to be performed Step 7 Start the scan Step 1 of this procedure placed the Model 7002 HD in the idle state In this idle state a scan cannot be performed The Model 7002 HD is taken out of the idle state by pressing the STEP key Once out of the idle state the scan is considered enabled The scan will proceed according to how the three layers are programmed If Immediate spacing is selected operation will pass immediately into the next layer If spacing is pro grammed for a particular event operation will not pass into the next layer until the programmed event occurs Scanning examples The following examples assume two scans of a two channel scan list All events in these examples can be substituted by the STEP key Example 1 ARM SPACING IMMEDIATE SCAN SPACING TIMER GPIB MANUAL or TRIGLINK CHANNEL SPACING TIMER GPIB MAN
49. gers must use one of the other five lines 2 through 6 During operation in the chan nel layer each Trigger Link input trigger will close a channel in the scan After the relay settles and the user programmed DELAY times out the Model 7002 HD will output a Trigger Link trigger typically to a DMM to make a measurement The channel layer is configured using the CONFIGURE SCAN menu see Scan pro cedure on page 4 13 The scan layer and or arm layer can also be programmed for TRIGGER LINK SCAN SPACING is set to TRIGLINK and ARM SPACING is set to TRIGLINK When using Trigger Link in these layers you must also select input and output lines as you did in the channel layer Keep in mind that you can use the same lines in the scan and arm layers that you selected in the channel layer Semi synchronous operation In the semi synchronous Trigger Link mode all triggering input and output in the test system is controlled by a single line When the normally high 45V trigger line is pulled low OV a trigger occurs on the negative going edge When the trigger line is released a trigger occurs on the positive going edge see Figure 4 7 The advantage of this single line trigger is that as long as one of the instruments in the system holds the line low the trigger is suppressed In other words the trigger will not occur until all instruments in the system are ready Return to Section 4 topics Model 7002 HD User s Manual Front Panel Opera
50. he Source Bypass and Output Trigger in the arm layer The Source Bypass if enabled will reset back in effect after all programmed scans are completed RESET and factory defaults set scan spacing to Immediate scan count to Infinite and Scan Trigger Control to Acceptor After leaving the scan layer operation proceeds into the channel layer Channel layer Operation in the channel layer is similar to operation in the scan layer except that spacing is controlled by channel events rather than scan events and the Output Trigger is always enabled When Timer channel spacing is selected the first channel will be scanned imme diately Each additional channel is then scanned at a rate determined by the pro grammed timer interval 1 millisecond to 99999 999 seconds With Immediate channel spacing selected channels will be scanned immediately The scan rate Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 13 will primarily be determined by the internally set relay settling time and any user programmed delay The user programmed delay is in addition to the relay settling time Scan procedure Perform the following steps to scan channels Step 1 Press OPEN ALL Before configuring a scan place the Model 7002 HD in the idle state by pressing OPEN ALL This will stop any scan that is currently in process open all channels and place the Model 7002 HD in the idle state Step 2 Select the scan lis
51. he beginning of the channel entry to be changed 2 Key in the new channel entry and press the right cursor key or ENTER to add the comma 3 Deleting a channel Perform the following steps to delete a channel a Place the cursor at the beginning of the channel to be deleted b Press the DELETE key to delete the channel entry 4 Inserting a channel Perform the following steps to insert a channel any where in the list a Position the cursor at the desired location in the list The channel will be inserted between the cursor and the channel entry before it b Press the INSERT key The following message will be displayed INSERTING ENTRY c Key in the new channel entry and press the right cursor key or ENTER to add the comma d Press INSERT a second time to cancel the insert edit function 5 Deleting all channels The entire list can be cleared by pressing CLEAR LIST Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 9 Closing and opening channels One of the basic operations of the Model 7002 HD is to close or open one or more channels specified by the user All the specified channels will either close or open at the same time An exception to this is when the Single Channel mode is enabled With Single Channel mode enabled only the lowest numbered channel in the lowest numbered slot will close NOTE A channel will remain closed until the OPEN ALL or OPEN key is used Channel stat
52. he channel list and scan operations use the scan list The SCAN LIST key toggles between the channel list and the scan list If the desired list is not already displayed press SCAN LIST Note that pressing EXIT will also select the channel list Step 2 Enter slot number and card channel 1 Enter slot number Using the keypad enter the slot number 1 through 10 The separator between slot and channel will automatically be entered after you key in the slot number For example if you selected slot 2 the entered channel data will look like one of these SELECT CHANNELS 2 SCAN CHANNELS 2 2 Enter card channel Use the keypad to enter the card channel number For example if you entered channel 20 with slot 2 previously selected the entered channel data will look like one of these SELECT CHANNELS 2 20 SCAN CHANNELS 2 20 At this point the entered channel can be cancelled by pressing the left cur Sor key Step 3 Enter channel separator or terminator Channel separators are required for multiple channel entries and a terminator should be used after the last entered channel The comma is used to separate channels and serves to terminate the list After entering a channel as explained in Step 2 press the right cursor key or ENTER to put in the comma separator Another channel can then be keyed in After the last channel in the list is keyed in use the ENTER key or the right cursor key to termi nate the list The comma
53. ion on front panel operation For complete details see Section 4 of the Model 7002 HD Reference Manual 4 2 Front Panel Operation Model 7002 HD User s Manual Introduction This section contains basic information on using the Model 7002 HD from the front panel Power up procedure The Model 7002 HD can be operated from line voltages from 100 240VAC at line frequencies of 50 or 60Hz Line power connections Using the supplied power cord connect the instrument to an appropriate AC power source The female end of the cord connects to the AC receptacle on the rear panel of the instrument The other end of the cord connects to a grounded AC outlet WARNING The Model 7002 HD must be connected to a grounded outlet to maintain continued protection against possible shock hazards Failure to use a grounded outlet may result in personal injury or death due to electric shock Power switch To turn on the power push in the front POWER switch Power is on when the switch is at the inner 1 position To turn power off press POWER a second time to release the switch Power up sequence On power up the Model 7002 HD will go through the following sequence 1 The instrument will perform self tests on its EPROM and RAM memory ele ments If a failure is detected the instrument will lock up and display the fol lowing message No Comm Link NOTE Ifa problem develops while the instrument is under warranty re turn it to Keithley In
54. itiate ete rettet tnter a 5 8 Afm layer ED 5 8 Ar layet2 2 ina erret e A P Eos 5 8 Trigperlayet e pa 5 8 Common commands cia o RECO S P REC vpn Ua 5 9 SCPL commands ren e eo pestes ete ERE toe Edu ree Eae e esu rave tuus 5 11 DISPlay Subsystem iii 5 11 ROUTe ub IRI 5 12 Sense SUDSyStenmis trii tes oc p eo I Ep DG EP I dp PERS 5 13 NE EFE 5 14 SYS Tem subsystem enne peine re epe aaa 5 16 Trigger SUbSyStetn eee cet erede Debe pee Ee e R dbe nis 5 16 Specifications Specifications sents A 2 Status and Error Messages List of Illustrations 2 Figure 2 1 3 Figure 3 1 Figure 3 2 4 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Figure 4 8 5 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Installation Card installation in Model 7002 HD mainframe eee 2 4 Getting Started Model 7002 HD front panel eese nennen 3 3 Model 7002 HD rear panel oerte iaia 3 4 Front Panel Operation Model 7002 HD vacuum fluorescent display eee 4 3 Analog backplane typical rennen enne 4 5 Trigger model front panel scan process 4 11 Trigger Link CODBeCEOES eet tert rta 4 26 Trigger Link output pulse specifications eene 4 27 Trigger Link input pulse specifications
55. lem on power up L Batteries and fuses are OK Q Front panel operational LJ All ranges or functions are bad L Checked all cables Display or output check one L Drifts Q Unable to zero Q Unstable Q Overload Q Will not read applied input Q Calibration only Q Certificate of calibration required Q Data required attach any additional sheets as necessary Show a block diagram of your measurement including all instruments connected whether power is turned on or not Also describe signal source Where is the measurement being performed factory controlled laboratory out of doors etc What power line voltage is used Ambient temperature F Relative humidity Other Any additional information If special modifications have been made by the user please describe Be sure to include your name and phone number on this service form 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 A GREATER MEASURE OF CON FILU ENGE Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY 534 8453 www keithley com Belgium Sint Pieters Leeuw 02 363 00 40 Fax 02 363 00 64 www keithley nl China Beijing 8610 55010010 Fax 8610 822550
56. lowing two options for CHANNEL COUNT e INFINITE With this count selection the channel scan will repeat indefinitely ENTER CHAN COUNT Use this selection to define the number of channels 1 to 9999 to scan The channel scan wraps around and continues to satisfy a channel count that exceeds the scan list length Step 5 Configure the Scan Layer of the scan The scan layer is programmed from the SCAN CONTROL menu of the CONFIGURE SCAN menu The following procedure summarizes the steps to configure the scan layer 1 From the CONFIGURE SCAN menu select SCAN CONTROL 2 From the SCAN CONTROL menu select SCAN SPACING 3 Fromthe SELECT SCAN SPACING menu select one of the following to control scan spacing a TIMER Use to set a time interval 1 millisecond to 99999 999 sec onds between scans Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 15 GPIB With this selection bus triggers GET or TRG control scan spacing A bus trigger received by the Model 7002 HD will allow opera tion to proceed to the channel layer MANUAL With this selection the front panel STEP key is used to control scan spacing Each press of the STEP key will allow operation to proceed to the channel layer TRIGLINK With this selection triggers received over the Trigger Link will control scan spacing A trigger will allow operation to proceed to the channel layer IMMEDIATE With this selection event
57. lt n gt Program measure count 1 to 9999 or INF AUTO lt b gt Enable 1 or ON or disable 0 or OFF auto count scan list length AUTO Query auto count COUNt Query measure count DELay n Program delay 0 to 99999 999 seconds DELay Query delay SOURce lt name gt Select control source HOLD IMMediate TIMer MANual BUS TLINk SOURce Query control source TIMer n Set timer interval 0 to 99999 999 seconds TIMer Request the programmed timer interval SIGNal Loop around control source TCONfigure Path to configure Triggers PROTocol lt name gt Select protocol ASYNchronous SSYNchronous PROTocol Query protocol DIRection lt name gt Enable SOURce or disable ACCeptor Bypass DIRection Query direction ASYNchronous Path to configure asynchronous Trigger Link ILINe lt NRf gt Select input line 1 to 6 ILINe Query input line OLINe lt NRf gt Select output line 1 to 6 OLINe Query output line SSYNchronous Path to configure semi synchronous Trigger Link LINE lt NRf gt Select trigger line 1 to 6 LINE Query trigger line Notes 1 Brackets are used to denote optional character sets These optional characters do not have to be included in the program message Do not use brackets in the program message N Angle brackets lt gt are used to indicate parameter type Do not use angle brackets lt gt in the program message 3 Upper case
58. mmon commands and queries Mnemonic Name Description SRE lt NRf gt Service request Sets the contents of the Service Request Enable enable command Register SRE Service request The Model 7002 HD returns the value of the Ser enable query vice Request Enable Register STB Read status byte query Returns the value of the Status Byte Register TRG Trigger command This command issues a bus trigger that has the same effect as group execute trigger GET com mand TST Self test query When this query is sent the Model 7002 HD will perform a checksum test on ROM and return the results WAI Wait to continue Wait until all previous commands are executed command Note At least one space is required between the command and the parameter Return to Section 5 topics Model 7002 HD User s Manual IEEE 488 Operation 5 11 SCPI commands DISPlay subsystem The display subsystem controls the display circuitry of the Model 7002 HD and is summarized in Table 5 2 Table 5 2 DISPlay command summary Command Description DISPlay WINDow 1 Path to locate message to top display TEXT Path to control user text messages DATA lt a gt Define ASCII message a using up to 20 characters DATA Query text message STATE lt b gt Enable 1 or ON or disable 0 or OFF message mode STATe Query text message mode 0 or 1 WINDow2 Path to locate message to bottom display TEXT Path to c
59. n 0 and 30 by using the GPIB setup menu ADDRESS selection available with the MENU key Abbreviated SCPI command summary Most instrument operations are controlled using SCPI commands Table 3 1 provides an abbreviated list of the SCPI commands necessary to perform some basic operations Not shown in the table are companion query commands for the ARM and TRIGger Subsystem commands COUNt DELay SOURce and TIMer For exam ple the TRIGger SOURce query command is used to request the currently selected control source After the query command is sent and the Model 7002 HD is addressed to talk a message identifying the selected control source will be sent to the computer Return to Section 3 topics 3 10 Getting Started Model 7002 HD User s Manual Table 3 1 Abbreviated SCPI command summary Command Description SYSTem Subsystem command path PRESet Set scan to a default configuration ROUTe Subsystem command path CLOSe lt list gt Path and command to close specified channels STATe Request channels that are closed OPEN lt list gt IALL Open specified or all channels SCAN lt list gt Path and command to specify channel list POINts Query number of channels in scan list INITiate Initiate one trigger scan cycle ABORt Reset trigger system ARM Subsystem command path to configure scan LAYer2 Path to program scan layer COUNt lt n gt Program number of scans 1 to 9999 or INFinite
60. n Scan List and Channel List CLEAR LIST Clears the displayed Channel List or Scan List STEP Takes 7002 HD out of idle state and can be used to step through the Scan List 13 16 9 STORE Stores channel pattern or list at a specified memory location 10 RECALL Restores 7002 HD to a channel pattern stored at a specified memory location 11 OPEN Opens the specified displayed channels in Channel List 12 SCAN CONFIGURATION Enables CONFIGURE SCAN menu CHAN CONTROL SCAN CONTROL ARM CONTROL CHAN RESTRICTIONS CARD CONFIGURATION Enables CARD CONFIG MENU TYPE OF POLES CARD PAIR DELAY READ I O CARD 13 MENU Enables MAIN MENU SAVESETUP GPIB DIGITAL I O TEST LANGUAGE GENERAL Return to Section 3 topics 14 15 16 17 CLOSE Closes specified displayed channels in Channel List DELETE Deletes selected entry from Channel List or Scan List INSERT Inserts an entry at selected location in Channel List or Scan List EXIT Use to back out of a menu structure Cancels INFO message ENTER Execute pending operation Separate channels and terminate selected list Keypad 0 9 Numeric entry Channel range separator i e 1 11 1 1 10 M Memory location designator i e M6 lt Move cursor left gt Move cursor right Separate channels and terminate selected list 3 4 Getting Started Model 7002 HD User s Manual Figure 3 2 Model 7002 HD rear panel e
61. ng consumable materials Maintenance procedures are described in the manual The procedures explicitly state if the operator may perform them Otherwise they should be performed only by service personnel Service personnel are trained to work on live circuits and perform safe installations and repairs of products Only properly trained service personnel may perform installation and service procedures Keithley products are designed for use with electrical signals that are rated Measurement Category I and Measurement Category II as described in the International Electrotechnical Commission IEC Standard IEC 60664 Most measurement control and data I O signals are Measurement Category I and must not be directly connected to mains voltage or to voltage sources with high transient over voltages Measurement Category II connections require protection for high transient over voltages often as sociated with local AC mains connections 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 The American National Standards Institute ANSI states that a shock hazard exists when voltage levels greater than 30V RMS 42 4V peak or 60VDC are present A good safety practice is to expect that hazardous voltage is present in any unknown circuit
62. ns 4 18 Channel ready 4 28 Close and Open channels 3 7 Closing and opening channels 3 11 Closing channels 4 9 Create channel list 3 6 Create scan list 3 6 DISPlay subsystem 5 11 Front and rear panel configuration 3 2 Front panel operation 3 6 Idle 4 12 5 8 IEEE 3 9 TEEE 488 status indicators 5 5 initiate 5 8 Inspection 1 3 Line power connections 4 2 LOCAL key 5 6 Manual scanning 3 11 Manuals 1 4 MENU 4 20 Open 3 7 Opening channels 4 9 Optional 1 4 Output connectors 1 1 Power up sequence 4 2 Primary address 3 9 Primary address selection 5 4 Programming examples 3 11 Rear panel 3 2 RECALL 4 19 Repacking 1 4 ROUTe 5 12 Safety 1 3 Scan channels 3 7 Scan Layer 3 7 4 14 5 8 Scan list 4 6 4 13 Scan operation 5 6 Scan procedure 4 13 Scan process 4 10 Scanning channels 4 10 SCPI 3 9 Semi synchronous trigger link 4 28 Sense 5 13 Shipment 1 3 Slot 4 6 Specifications A 1 STATus 5 14 SYSTem Subsystem 5 16 Timer 3 12 Trigger layer 5 8 Trigger Link 4 26 Trigger Model 4 10 5 6 Trigger subsystem 5 16 Unpacking 1 3 Vacuum fluorescent display VFD 4 3 Warranty 1 2 KEITHLEY Service Form Model No Serial No Date Name and Telephone No Company List all control settings describe problem and check boxes that apply to problem Q Intermittent Q Analog output follows display Q Particular range or function bad specify O IEEE failure Q Obvious prob
63. of devices whichever is less Failure to observe these limits may result in erratic bus operation Return to Section 5 topics 5 4 IEEE 488 Operation Model 7002 HD User s Manual Figure 5 3 IEEE 488 connector location TRIGGER LINK IEEE 488 DL CARDi p IN OUT Ct CARD2 qp Misa e e USA IEEE 488 Connector Primary address selection The primary address may be set to any value between 0 and 30 as long as address conflicts with other instruments are avoided Note that controllers are also given a primary address so do not use that address either Most frequently con troller addresses are 0 or 21 but you should consult the controller s instruction manual for details Whatever primary address you choose you must make certain that it corresponds with the value specified as part of the controllers programming language To check the present primary address or to change to a new one perform the fol lowing procedure 1 2 Display the MAIN MENU by pressing the MENU key Use the cursor keys to place the cursor on GPIB and press ENTER The GPIB SETUP MENU will then be displayed Use the cursor keys to place the cursor on ADDRESS and press ENTER The current primary address of the instrument will be displayed For exam ple if the instrument is set to primary address 7 the following message will be displayed ADDRESS 07 0 30 To retain the displayed address press EXIT three times to return
64. on 1 to 500 Recall channel pattern from memory 1 to 500 Notes 1 Brackets are used to denote optional character sets These optional characters do not have to be included in the program message Do not use brackets in the program message 2 Angle brackets lt gt are used to indicate parameter type Do not use angle brackets lt gt in the program message 3 Upper case characters indicate the short form version for each command word 4 At least on space is required between a command word and the parameters Sense subsystems The sense subsystems are used to read the inputs of digital cards installed in slots 1 through 10 respectively Table 5 4 lists commands Table 5 4 SENSe command summary Command Description SENSeX Specify slot X 2 slot 1 through 11 slot 10 DATA lt list gt Read specified input channels for the specified slot Notes 1 Brackets are used to denote optional character sets These optional characters do not have to be included in the program message Do not use brackets in the program message 2 Angle brackets lt gt are used to indicate parameter type Do not use angle brack ets lt gt in the program message 3 Upper case characters indicate the short form version for each command word 4 At least one space is required between a command word and the parameter Return to Section 5 topics 5 14 IEEE 488 Operation Model 70
65. ontrol user text messages DATA lt a gt Define ASCII message a using up to 32 characters DATA Query text message STATE lt b gt Enable 1 or ON or disable 0 or OFF message mode STATe Query text message mode 0 or 1 SMESsage lt b gt Enable 1 or ON or disable 0 or OFF status message mode SMESsage Query status message mode 0 or 1 ENABle lt b gt Turn on 1 or ON or turn off 0 or OFF the front panel display ENABle Query state of the display 0 or 1 Notes 1 Brackets are used to denote optional character sets These optional characters do not have to be included in the program message Do not use brackets in the program message 2 Angle brackets lt gt are used to indicate parameter type Do not use angle brackets lt gt in the pro gram message 3 Upper case characters indicate the short form version for each command word 4 At least one space is required between a command word and the parameter Return to Section 5 topics IEEE 488 Operation ROUTe subsystem Model 7002 HD User s Manual The ROUTe subsystem is used to control signal routing through the switch system and is summarized in Table 5 3 Table 5 3 ROUTe command summary Command Description ROUTe CLOSe lt list gt Close specified channels STATe Query list of closed channels CLOSe lt list gt OPEN lt list gt IALL OPEN lt list gt SCAN lt list gt POINts SCAN FCHannel
66. operly programmed For example if you want Trigger Link input triggers to control the channel scan pro cess you must program Channel Spacing for TRIGLINK trigger events Typically a Trigger Link output trigger from the Model 7002 HD would be used to trigger another instrument to measure the currently selected channel There are two modes of operation for Trigger Link asynchronous and semi synchronous In the asynchronous mode separate lines are used for input and output triggers and in semi synchronous mode the same line is used for both input and output triggers Return to Section 4 topics 4 28 Front Panel Operation Model 7002 HD User s Manual In general external triggers can be used as events to control scan operation In order for the Model 7002 HD to respond to external triggers the appropriate layers of scan operation must be properly configured Scan procedure on page 4 13 explains how to program the three layers of the scan Asynchronous operation The asynchronous mode uses separate lines for input and output triggers For typ ical asynchronous Trigger Link operation the channel layer of the scan is config ured with Channel Spacing set to TRIGLINK and Triggerlink Mode set to Asynchronous You must also select input and output lines for the channel layer Input and output triggers can be set to any of the six lines but they cannot use the same line For example if you select line 1 for input triggers then output trig
67. p GPIB GPIB Setup Menu ADDRESS Check change IEEE 488 address STATUS Display IEEE 488 status byte 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 VFD display CHAR SET Display ASCII character set LANGUAGE Choose 7002 HD Language ENGLISH Display messages in English GERMAN Display messages in German FRENCH Display messages in French GENERAL General Menu SERIAL Displays serial number SCPI version and software revision STATUS MESSAGES Enables disables status message mode DISPLAY Not a valid option for 7002 HD BREAK BEFORE MAKE Enables disables Break Before Make Return to Section 4 topics 4 22 Front Panel Operation Model 7002 HD User s Manual Table 4 2 Default conditions Channel spacing Number of channels Manual STEP key Scan list length Item Factory default RESET Channel status All open All open Channel list Cleared No change Scan list No change No change GPIB address No change No change Digital I O output level High High Language No change No change Status messages Off Off of poles No change No change Card pair Off Off Delay 0 seconds 0 seconds Manual STEP key Scan list length Channel trigger control Source Source Scan spacing Immediate Immediate Number of scans Infinite Infinite Scan trigge
68. r control Acceptor Acceptor Arm spacing Immediate Immediate Arm count 1 1 Arm trigger control Acceptor Acceptor Single channel Off Off Restricted channels No change No change Interlock No change No change Break Before Make On On Note No change indicates that the currently set conditions are not affected Card configuration menu Cards can be configured by pressing the CARD CONFIGURATION key The menu structure is shown and summarized in Table 4 3 Table 4 4 summarizes card types NOTE Most 7002 HD cards do not require manual configuration Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 23 Table 4 3 CARD CONFIG MENU structure Menu item Description DELAY Set Delay For SLOT Set delay for card in specified slot READ I O CARD Identify I O Cards Table 4 4 TYPE assignments Assignment message Interpretation SLOT CARD 7002 HD 7002 HD series card installed in specified slot Card 1 slots 1 5 Card 2 slots 6 10 For example 7002 HD MTX1 will read as MTX1 card type SLOT CARD NONE No card installed in slot or specified slot is not assigned Assumes that power is cycled whenever a card is installed or removed from the mainframe Model 7002 HD series card Scan configuration menu Various operations to configure a scan are performed from the CONFIGURE SCAN menu The menu structure is shown and summarized in Table 4
69. r to card users guide for measurement considerations 5 External Trigger speed includes the time to output a Channel Ready pulse and the re trigger hold off time HW Rev B Page 1 of 1 11 12 2004 Status and Error Messages B 2 Status and Error Messages Table B 1 Status and error messages Model 7002 HD User s Manual Code number Description 551 550 530 529 528 527 526 525 524 523 522 521 510 350 174 173 172 171 161 126 125 124 123 122 121 101 0 100 101 102 Incorrect software revision EE Forbidden channel error EE Slot 10 identification error EE Slot 9 identification error EE Slot 8 identification error EE Slot 7 identification error EE Slot 6 identification error EE Slot 5 identification error EE EE EE EE EE Slot 4 identification error Slot 3 identification error Slot 2 identification error Slot 1 identification error Saved state error EE Too many channels closed EE Re entering the idle layers SE Waiting in arm layer 2 SE Waiting in arm layer 1 SE Waiting in trigger Layer SE Program running SE Device calculating SE Device measuring SE Device sweeping SE Device ranging SE Device settling SE Device calibrating SE Operation Complete SE
70. rcuitry is discharged 1 Slide the card edges into the guide rails inside the mainframe 2 Carefully push the card all the way forward to seat it fully in the connectors 3 Make sure the captive screws are securely in place Card removal Follow the steps below to remove the card from the mainframe WARNING Turn off power to all instrumentation including the Model 7002 HD and disconnect all line cords Make sure all power is removed and any stored energy in external circuitry is discharged 1 Loosen the captive screws that secure the card 2 Pull out on the card until it pulls free from the internal connector 3 Carefully slide the card out of the switching mainframe Return to Section 2 topics 2 4 Installation Model 7002 HD User s Manual Figure 2 1 Card installation in Model 7002 HD mainframe Card Access Screw 2 per card 7002 HD Cards Return to Section 2 topics 3 Getting Started Section 3 topics Front and rear panel configurations page 3 2 Front panel page 3 2 Rear panel page 3 2 Channel assignments page 3 5 Card 1 page 3 5 Card 2 page 3 5 Front panel operation summary page 3 6 Create channel list and or scan list page 3 6 Close and Open channels page 3 7 Scan channels page 3 7 IEEE 488 operation summary page 3 9 Bus connections page 3 9 Primary address page 3 9 Abbreviated SCPI command summary page 3 9 Programming examples page 3 11 3 2 Getting Started Model 7002 HD U
71. resented in alphabetical order Table 5 1 IEEE 488 2 common commands and queries Mnemonic Name Description CLS Clear status Clears all event registers and Error Queue ESE lt NRf gt Event status Sets the contents of the Standard Event Status enable command Enable Register ESE Event status enable query Request the programmed value of the Standard Event Status Enable Register ESR Event status Request the programmed value of the Standard register query Event Status Register and clears it IDN Identification query Request the manufacturer model number serial number and firmware revision levels of the unit OPC Operation complete Sets the Operation Complete bit in the Standard command Event Status Register after all pending com mands have been executed OPC Operation complete query Places an ASCII 1 into the output queue when all pending selected device operations have been completed OPT Option identification query Request the assigned model number for all slots RCL lt NRf gt Recall command Returns the Model 7002 HD to the setup config uration stored in the designated memory loca tion RST Reset command Returns the Model 7002 HD to the RST default conditions SAV lt NRf gt Save command Saves the current setup configuration to the des ignated memory location Return to Section 5 topics 5 10 IEEE 488 Operation Model 7002 HD User s Manual Table 5 1 cont IEEE 488 2 co
72. s lt list gt FCHannels INTerlockX LIST1 LIST1 LIST2 LIST2 CONFigure BBMake lt b gt BBMake SCHannel lt b gt SCHannel SLOTX STIMe n STIMe Query state of specified channels 1 closed 0 open Open specified or all channels Query state of specified channels 1 open 0 closed Define scan list Query number of channels in scan list Query scan list Specify channels that cannot be closed Query channels that cannot be closed Specify interlock X 1 to 5 Define List 1 for specified interlock Query List 1 for specified interlock Define List 2 for specified interlock Query List 2 for specified interlock Configuration command path Enable 1 or ON or Disable 0 or OFF Break Before Make switching Query Break Before Make ENable 1 or ON or Disable 0 or OFF Single Channel Query Single Channel Path to configure SLOT X X 1 to 10 Specify delay 0 to 99999 999 seconds for specified slot Query delay for specified slot Return to Section 5 topics Model 7002 HD User s Manual Table 5 3 cont ROUTe command summary IEEE 488 Operation 5 13 RELays M lt num gt LIST lt list gt M lt num gt RECall M lt num gt Command Description MEMory Path to program memory SAVE Path to save channel patterns Save current channel pattern at specified memory location 1 to 500 Save defined channel pattern at specified memory locati
73. s are not used to control scan spacing Operation will proceed immediately to the channel layer From the SCAN CONTROL menu select NUMBER OF SCANS From the NUMBER OF SCANS menu select one of following items to specify the number of scans to be performed a b INFINITE With this selection the scan will repeat indefinitely ENTER SCAN COUNT Use this selection to define the number of scans 1 to 9999 to be performed NOTE The menus also include an EXTERNAL trigger selection but the Model 7002 HD has no BNC connectors to support this function so it should not be used Step 6 Configure the Arm Layer of the scan The arm layer is programmed from the ARM CONTROL menu of the CONFIGURE SCAN menu The following procedure summarizes the steps to configure the arm layer 1 2 3 From the CONFIGURE SCAN menu select ARM CONTROL From the SETUP ARM CONTROL menu select ARM SPACING From the SELECT ARM SPACING menu select one of the following to con trol the interval between arms a MANUAL With this selection the front panel STEP key is used to control arm spacing Pressing the STEP key will allow operation to pro ceed to the scan layer IMMEDIATE With this selection events are not used to control arm spacing Operation will proceed immediately to the scan layer GPIB With this selection bus triggers GET or TRG control arm spacing A bus trigger received by the Model 7002 HD will allow op
74. s indicate the short form version for each command word Trigger subsystem The Trigger Subsystem is made up of a series of commands and subsystems to configure the three layers of the Trigger Model see Figure 5 4 on page 5 7 These commands and subsystems are summarized in Table 5 7 Front panel operation and IEEE 488 operation use different nomenclature for the three layers of the Trigger Model and is summarized as follows Trigger Model Layer Nomenclature Layer Name Front Layer Name IEEE 488 Layer Panel Operation Bus Operation First layer Arm Layer Arm Layer 1 Second layer Scan Layer Arm Layer 2 Third layer Channel Layer Trigger Layer Return to Section 5 topics Model 7002 HD User s Manual IEEE 488 Operation 5 17 Table 5 7 Trigger command summary Command Description INITiate Subsystem command path IMMediate Initiate one trigger cycle CONTinuous lt b gt CONTinuous ABORt ARM SEQuence 1 LAYer 1 IMMediate COUNt n COUNt SOURce lt name gt SOURce SIGNal TCONfigure DIRection lt name gt DIRection ASYNchronous ILINe lt NRf gt ILINe OLINe lt NRf gt OLINe LAYer2 IMMediate COUNt n COUNt DELay lt n gt DELay SOURce lt name gt SOURce TIMer n TIMer SIGNal Enable 1 or ON or disable 0 or OFF continuous initiation of trigger system Query continuous initiation Reset trigger system Subsystem command path to
75. se Trigger Link triggers to control scan spacing Use to pass operation immediately into the channel layer Use to hold up the scan in the scan layer Define number of scans to be performed Repeat scan indefinitely Count user defined value 1 to 9999 Select trigger control mode Enable Source Bypass Disable Source Bypass Return to Section 4 topics Model 7002 HD User s Manual Table 4 5 cont Scan configuration menu Front Panel Operation 4 25 Menu item Description ARM CONTROL ARM SPACING MANUAL IMMEDIATE GPIB EXTERNAL TRIGLINK HOLD ARM COUNT INFINITE ENTER ARM COUNT TRIGGER CONTROL SOURCE ACCEPTOR Configure Arm Layer Select arm spacing control Use STEP key to arm scanner Use to arm scanner immediately Use a bus trigger to arm scanner Will be accepted but no valid hardware exists Use a Trigger Link trigger to arm scanner Use to hold up the scan in the arm layer Define number of times to arm scanner Continuously re arm scanner User defined count value 1 to 9999 Select trigger control mode Enable Source Bypass Disable Source Bypass CHAN RESTRICTIONS SINGLE CHAN RESTRICTED CHANNELS INTERLOCK Define channel restrictions Enable disable Single Channel Mode Designate channels that cannot be closed Specify up to five sets of interlocked channels Return to Section 4 topics 4 26 Front Panel Operation Model 7002 HD User s Manual Trigger Link
76. ser s Manual Introduction This section contains basic information on using the Model 7002 HD including front and rear panel configurations and basic front panel and IEEE 488 bus control Front and rear panel configurations Front panel The front panel of the Model 7002 HD is shown in Figure 3 1 This figure includes important abbreviated information that should be reviewed before operating the instrument Notice that some of the controls are dual function rocker action type keys These include SCAN CARD CONFIGURATION DELETE INSERT EXIT ENTER and lt gt cursor keys Rear panel The rear panel of the Model 7002 HD is shown in Figure 3 2 This figure also includes important abbreviated information that should be reviewed before operating the instrument Return to Section 3 topics Model 7002 HD User s Manual Figure 3 1 Model 7002 HD front panel SELECT MEMORY CHHHHELS M 7002 HD HIGH DENSITY SWITCH SYSTEM CONFIGURATION STORE RECALL SCAN CARD EXIT ENTER Getting Started 3 3 Vacuum Fluorescent Display VFD Provides two lines of alpha numeric information and includes annunciators INFO Displays on line help information Press again or EXIT to cancel message LOCAL Cancels remote restores front panel control POWER 0 off 1 on OPEN ALL Opens all channels of all slots Also aborts a scan SCAN LIST Toggles betwee
77. ster NTRansition Query negative transition register CONDition Query condition register Return to Section 5 topics Model 7002 HD User s Manual Table 5 5 cont STATus command summary IEEE 488 Operation 5 15 Command Description STATus TRIGger Path to control trigger event registers EVENt Query event register ENABle lt NRf gt Program the enable register ENABle Query enable register PTRansition lt NRf gt Program the positive transition register PTRansition Query positive transition register NTRansition lt NRf gt Program the negative transition register NTRansition Query negative transition register CONDition Query condition register QUEStionable Path to control questionable event registers EVENt Query the event register ENABle lt NRf gt Program the enable register ENABle Query the enable register PTRansition lt NRf gt Program the positive transition register PTRansition Query the positive transition register NTRansition lt NRf gt Program the negative transition register NTRansition Query the negative transition register CONDition Query the condition register PRESet Return status registers to default states QUEue Path to access error queue NEXT Query most recent error message ENABle lt list gt Specify error and status messages for queue ENABle Query enabled messages DISable lt list gt Specify messages not to be pl
78. struments Inc for repair Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 3 2 Ifthe instrument passes the self tests the firmware revision levels and currently selected IEEE 488 address will be displayed An example of this display is shown as follows Model 7002 BXX BYY IEEE Addr 07 where BXX is the firmware revision level for the main CPU BYY is the firmware revision level for the VFD display 7 is the current IEEE 488 Address Note that the instrument is shipped from the factory with the address set to 7 Front panel display Vacuum fluorescent display VFD The vacuum fluorescent display VFD is shown in Figure 4 1 It provides two lines of alphanumeric information The first line can display up to 20 alphanumeric char acters and the second line can display up to 32 alphanumeric characters Also included are annunciators that are located along the top of the display Figure 4 1 Model 7002 HD vacuum fluorescent display Annunciators REM TALK LSTN SRQ ARM Model 7002 Switch System 2 line Alphanumeric Display Return to Section 4 topics 4 4 Front Panel Operation Model 7002 HD User s Manual Display messages Display messages include the various configuration menus error messages and status messages Error and status messages for the Model 7002 HD are summa rized in Table B 1 on page B 2 Annunciators The five annunciators along the top of
79. t The channel list must be selected in order to close channels The SCAN LIST key toggles between the scan list and the channel list If the scan list is not currently selected press SCAN LIST The following scan list prompt is displayed SCAN CHANNELS Step 3 Define scan list Enter channels into the scan list The following example demonstrates proper for mat SCAN CHANNELS 1 1 411 4110 M1 The above scan list includes channel 1 of slot 1 channels 1 through 10 of slot 4 and the channel pattern stored at memory location 1 M1 Channels will be scanned in the order they are presented in the scan list Channel pattern M1 will be treated as a single channel entry When the channel pattern is scanned the closed channels in the pattern will close and remain closed for the duration of the scan A channel pattern is useful for supplying bias voltages in a test system At the conclusion of a scan the last channel in the list will remain closed If you wish to open the last channel specify a memory location that has no closed chan nels as the last entry in the scan list For example if in the above scan list M1 has no closed channels Channel 4 10 will open at the conclusion of a single scan Step 4 Configure the Channel Layer of the scan The channel layer is programmed from the CHAN CONTROL menu of the CONFIGURE SCAN menu The following procedure summarizes the steps to configure the channel layer 1 From the CONFIGURE SCA
80. terminator prevents the last entered channel from being cancelled when the left cursor key is pressed The following example shows proper format SELECT CHANNELS 1H 1 2 113 114 1 5 1 6 117 118 1 9 1110 M1 SCAN CHANNELS 1 112 1 8 114 115 1 6 117 118 1 9 1110 M1 The above display indicates that channels 1 1 through 1110 and the closed chan nels stored at memory location 1 M1 are entered Return to Section 4 topics 4 8 Front Panel Operation Model 7002 HD User s Manual The hyphen is used to designate a range of channels After entering the first channel as explained in Step 2 press the key on the keypad to put in the hyphen and then key in the last channel The following example shows proper for mat SELECT CHANNELS 1 1 1 10 M1 SCAN CHANNELS 1 1 1 10 M1 The above display indicates that channels 1 1 through 1 10 and the channel pat tern stored at memory location 1 M1 are entered Step 4 Repeat the basic procedure in Steps 2 and 3 to enter all required channels Step 5 Edit the entered list as required Edit keys are available to make changes to a list These keys allow you to change channels delete channels or insert channels anywhere in the list When editing a channel range i e 1 1 1 6 and a memory location i e M1 are treated as single channel entries 1 Changing a channel Perform the following steps to change a channel a Use the cursor keys to place the cursor at t
81. the display indicate the following conditions SRQ Turns on when the unit requests service over the IEEE 488 bus Program ming the Service Request Enable Register allows you to control which conditions will generate an SRQ see Section 5 of the Model 7002 HD Reference Manual REM Turns on to indicate that the Model 7002 HD is in remote when used over the IEEE 488 bus The Model 7002 HD can be placed in remote by addressing it to listen with the bus REN line true TALK Turns on to indicate that the Model 7002 HD is the active talker on the IEEE 488 bus The unit can be placed in the talker active state by sending it the correct bus talk command which is derived from the primary address LSTN Turns on when the unit is an active IEEE 488 bus listener The Model 7002 HD can be placed in the active listener state by addressing it to listen ARM Turns on when the Model 7002 HD is taken out of the idle state A scan can only be performed with the Model 7002 HD out of the idle state Return to Section 4 topics Model 7002 HD User s Manual Front Panel Operation 4 5 Analog backplane Backplane connections The Model 7002 HD has an analog backplane that allows the rows or multiplexers of a Model 7002 HD series card installed in one card location to be connected to the rows or multiplexers of a 7002 HD series card installed in the other card loca tion There are a total of 32 backplane signal paths available Typical backplane
82. tion 4 29 Figure 4 7 Semi synchronous trigger link pulse specifications Triggeron Trigger on Negative going Positive going Edge Edge 45V 4 L OV 7 Pulled Low b first instrument Released by second Instrument For example assume that a Model 2001 Multimeter is connected to two Model 7002 HD units for semi synchronous operation as shown in Figure 4 8 All three instruments are programmed to use trigger line 1 The two Model 7002 HD mainframes have relay settling times of 10 milliseconds and 50 milliseconds respectively Figure 4 8 Typical semi synchronous mode connections Cables 2 INO IN DT IN OUT OUT i D Trigger Line 1 Trigg er Line 1 Trigg er 2001 Multimeter 7002 HD Switch System 7002 HD Switch System Assume that the 2001 initially performs a measurement After the reading is done the meter will drive the trigger line low The negative going edge will trigger both Model 7002 HD switch systems to close a channel While the Model 7002 HD units are in the process of closing a channel they will hold the trigger line low Ten milliseconds after switch closure the first Model 7002 HD will release the trigger line However the second Model 7002 HD will continue to hold the line low since it Return to Section 4 topics 4 30 Front Panel Operation Model 7002 HD User s Manual is not finished Fifty milliseconds after switch closure the second Model 7002 HD will release the
83. to Section 3 topics 3 8 Getting Started Model 7002 HD User s Manual the scan list length as the channel count is appropriate With manual channel spacing selected the STEP key is used to manually control the scan Available channel spacing selections are summarized as follows TIMER In general a channel is scanned each time the programmed timer inter val expires GPIB In general each bus trigger GET or TRG selects the next channel in the scan MANUAL In general each time the STEP key is pressed the next channel in the scan is selected TRIGLINK In general each trigger received via the Trigger Link selects the next channel in the scan IMMEDIATE Channels will continue to scan immediately and not wait for any of the previous channel spacing events HOLD Holds operation in the channel layer and prevents channels from being scanned Perform the following steps to change the channel spacing 1 Press SCAN CONFIGURATION to display the CONFIGURE SCAN menu 2 Place the cursor on CHAN CONTROL and press ENTER to display the CHANNEL CONTROL menu 3 Place the cursor on CHANNEL SPACING and press ENTER to select the SELECT CHAN SPACING menu 4 Place the cursor on the desired channel spacing selection and press ENTER Note that selecting the TIMER will require that a time interval be entered 5 Use EXIT to back out of the menu structure NOTE A typical method to control channel scanning is to use DELAY A delay can be
84. us can be determined only via remote See Section 5 Perform the following steps to close and open channels Step 1 Select the channel list The channel list must be selected in order to close channels The SCAN LIST key toggles between the scan list and the channel list If the channel list is not cur rently selected press SCAN LIST The following channel list prompt is displayed SELECT CHANNELS Note that when the scan list is selected pressing EXIT will also select the channel list Step 2 Define channel list Enter channels into the channel list The following example demonstrates proper format SELECT CHANNELS 1 1 4 1 4 10 M1 The above channel list includes channel 1 of slot 1 channels 1 through 10 of slot 4 and whatever channels are contained in the channel pattern stored at memory location 1 M1 Step 4 Close or open listed channels Perform the appropriate close open operation as follows 1 Press the CLOSE key to close the listed channels 2 Press the OPEN key to open channels that are listed in the channel list Note that only the listed channels will open Any closed channels that are not included in the channel list will not be opened by OPEN To open unlisted channels press OPEN ALL Return to Section 4 topics 4 10 Front Panel Operation Model 7002 HD User s Manual Scanning channels The Model 7002 HD can scan through a specified list of channels The order that the channels are presente
85. utions Before removing or installing a card in the Model 7002 HD mainframe make sure the mainframe power is turned off and disconnected from line power Before making or breaking connections make sure power is removed from all external circuitry This section includes information on installing cards in the Model 7002 HD High Density Switch System Card installation and removal The following paragraphs describe how to install and remove cards from the Model 7002 HD mainframe WARNING Installation or removal of Model 7002 HD cards should be per formed by qualified service personnel only Failure to recog nize and observe standard safety precautions could result in personal injury or death CAUTION To prevent performance degradation caused by contamination handle the card only by the edges and covers NOTE Make sure your external circuitry is wired to the card as explained in the card manual before installing the card in the Model 7002 HD mainframe Return to Section 2 topics Model 7002 HD User s Manual Installation 2 3 Card installation After connecting the input output cables perform the following steps and refer to Figure 2 1 to install the card assembly in the Model 7002 HD mainframe in either the Card 1 or Card 2 location WARNING Turn off power to all instrumentation including the Model 7002 HD and disconnect all line cords Make sure all power is removed and any stored energy in external ci
86. vent B 3 B 4 Status and Error Messages Table B 1 cont Status and error messages Model 7002 HD User s Manual Code number Description 201 202 210 211 212 213 214 215 220 221 222 223 224 241 260 281 282 284 285 330 350 410 420 430 440 Invalid while in local EE Settings lost due to rtl EE Trigger error EE Trigger ignored EE Arm ignored EE Init ignored EE Trigger deadlock EE Arm deadlock EE Parameter Error EE Settings conflict EE Parameter data out of range EE Too much data EE Illegal parameter value EE Hardware missing EE Expression Error EE Cannot create program EE Illegal program name EE Program currently running EE Program syntax error EE Self Test failed EE Queue overflow EE Query interrupted EE Query unterminated EE Query deadlocked EE Query unterminated after indefinite response EE EE Error event SE Status event Index accessories 1 4 Analog backplane 4 5 Arm Layer 3 7 4 12 4 15 5 8 Arm layerl 5 8 Arm layer2 5 8 Asynchronous trigger link 4 28 Bus 3 11 Bus connections 3 9 Card 2 2 2 3 3 5 Channel 3 5 3 6 Channel assignments 4 6 Channel Layer 3 7 4 12 4 13 5 8 Channel list 4 6 4 9 Channel patter
87. www keithley com Model 7002 HD High Density Switch System User s Manual 7002HD 900 01 Rev A November 2004 KEITHLEY A GREATER MEASURE OF CONFIDENCE 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 batteries 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 warranty write or call your local Keithley representative or contact Keithley headquarters in Cleveland Ohio You will be 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 leakage or problems arising from normal wear or failure to follow instructions THIS WARRANTY IS IN LIEU OF ALL OTHER WARRAN
88. y updates to the selected channel pat tern the corresponding relays on the cards will also update Thus make sure you want to energize the card relays before recalling a channel pattern Using channel list and or scan list A channel pattern can be recalled by specifying the memory location in a channel list and or scan list For example assume a channel pattern that has Channels 2111 and 2 36 closed is stored at memory location M10 Also assume that M10 is included in the following channel list SELECT CHANNELS 1 1 4 M10 Return to Section 4 topics 4 20 Front Panel Operation Model 7002 HD User s Manual When CLOSE is pressed with the above channel list displayed Channels 1 1 1 4 2 11 and 2 36 will close Now assume the M10 is included in the following scan list SCAN CHANNELS 1H 1 4 M10 1 6 When M10 is selected in the scan both Channels 2 11 and 2 36 will be closed at the same time and will remain closed when channel 1 6 is scanned Typically a channel pattern is used to switch in a bias supply Once the memory location i e M10 is scanned the closed channels in the pattern will remain closed to supply power for the duration of the scan Menus Using menus Various instrument operations to configure the Model 7002 HD are performed using these menus Press the MENU key to access the main menu Press the CARD CONFIGURATION key to configure cards Press the SCAN CONFIGURATION key to configure scanning

Model 7002-HD High Density Switch System User's Manual

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