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Keithley 7022, Instruction Manual

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Keithley 7022 Instruction Manual Download Page 92

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Summary of Contents for 7022

Page 1: ...cess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Dem...

Page 2: ...odel 7022Matrix Digital I O Card Instruction Manual A G R E A T E R M E A S U R E O F C O N F I D E N C E Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 3: ...IRECT 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 SUC...

Page 4: ...uction Manual 1997 Keithley Instruments Inc All rights reserved Cleveland Ohio U S A Second Printing March 2001 Document Number 7022 901 01 Rev B Artisan Scientific Quality Instrumentation Guaranteed...

Page 5: ...ted 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...

Page 6: ...sources un less 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 America...

Page 7: ...e CAUTION heading in a manual explains hazards that could damage the instrument Such damage may invalidate the warranty Instrumentation and accessories shall not be connected to humans Before performi...

Page 8: ...actory installed 10k pull up resistors Each driver has an internal flyback diode Pull Up Voltage 5V internally supplied external connection pro vided for user supplied voltage up to 42V max Outputs sh...

Page 9: ...guration Introduction 2 1 Basic matrix configuration 5 6 2 1 Typical matrix switching schemes 2 2 Single ended switching 2 3 Differential switching 2 3 Sensing 2 4 SMU connections 2 4 Matrix expansion...

Page 10: ...lation and removal 4 18 Card installation 4 18 Card removal 4 18 Models 7022 D and 7022 DT 4 19 Internal connections 4 19 Input output connections 4 19 5 Operation Introduction 5 1 Power limits 5 1 An...

Page 11: ...ve devices 6 11 Principles of operation 6 11 Block diagram 6 11 ID data circuits 6 12 Matrix relay control 6 13 Matrix relay power control 6 13 Digital I O output channel control 6 13 Digital I O inpu...

Page 12: ...iv Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 13: ...llation Figure 4 1 Backplane row jumpers 4 2 Figure 4 2 Voltage source jumper for output channels 4 3 Figure 4 3 Component locations connector board 4 3 Figure 4 4 Voltage source jumper installation 4...

Page 14: ...racteristics of an NPN silicon transistor 5 12 Figure 5 11 Path isolation resistance 5 12 Figure 5 12 Voltage attenuation by path isolation resistance 5 13 Figure 5 13 Power line ground loops 5 14 Fig...

Page 15: ...Table 6 3 Differential and common mode isolation testing 6 9 Table 6 4 Recommended troubleshooting equipment 6 14 Table 6 5 Troubleshooting procedure 6 15 7 Replaceable Parts Table 7 1 Relay card for...

Page 16: ...viii Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 17: ...Model 7022 has a two pole 5 6 five rows by six col umns matrix It also has ten independent inputs and outputs for digital I O capabilities Some of the key features include Low contact potential and o...

Page 18: ...ont of this man ual These specifications are exclusive of the mainframe specifications Unpacking and inspection Inspection for damage The Model 7022 is packaged in a resealable anti static bag to prot...

Page 19: ...ssories The following accessories are available for use with the Model 7022 Model 7011 MTC 2 This two meter round cable assem bly is terminated with a 96 pin female DIN connector on each end It will m...

Page 20: ...General Information 1 4 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 21: ...6 matrix Each of the 30 crosspoints is made up of a two pole switch By closing the appropriate crosspoint switch any matrix row can be connected to any column in the matrix Figure 2 1 Model 7022 simp...

Page 22: ...ards installed in one slot in the main frame is electrically isolated from any card installed in the adjacent slot The only way to connect a Model 7022 to one of these cards is to wire them together T...

Page 23: ...ge of using this configuration is that the terminals of the source or measure instrument are not confined to the same matrix crosspoint Each terminal of the instrument can be connected to any matrix c...

Page 24: ...cted to the matrix By using triax cables that are unterminated at one end the driven guard and chassis ground are physically extended all the way to the card Source HI Sense HI Sense LO Source LO Sour...

Page 25: ...frames can accommodate two and ten cards respectively The following paragraphs use a two card system to illustrate multiple card switching configurations Separate switching systems Two single card sys...

Page 26: ...rix rows A through D of the card installed in slot 2 CARD 2 through the analog backplane Note that row E does not connect to the analog backplane The 4 12 matrix is shown in Figure 2 9 Figure 2 9 Narr...

Page 27: ...er Also note that the backplane jumpers on one of the cards must be removed in order to isolate the rows of the two cards from each other Figure 2 10 Wide matrix example 10 6 A B C D 1 6 Columns 7022...

Page 28: ...points Also a 60 card matrix is possible by using six Model 7002 mainframes together which provides 1800 crosspoints The limits on the number of cards in the Model 7001 7002 switch system are due to t...

Page 29: ...e 7001 7002 2 are configured as a 10 6 matrix as explained in the wide matrix expansion 10 6 paragraph Remember that the rows of card 2 must be isolated from the rows of card 3 This is accomplished by...

Page 30: ...Matrix Configuration 2 10 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 31: ...y the digital outputs are used to provide drive for rel atively high current devices such as solenoids relays and small motors The configurations for these applications are shown in Figure 3 1 Figure...

Page 32: ...ces internal pull up resistors are used to achieve the appropriate logic level Figure 3 2 shows the output con figuration using the 10k pull up resistor Rp The configuration in Figure 3 2 uses the int...

Page 33: ...e channel the input is pulled high to 5V which displays the channel as on Figure 3 3 Input configuration When the resistor is connected to ground the channel is pulled low Thus with nothing connected...

Page 34: ...Digital I O Configuration 3 4 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 35: ...two mainframe system configurations Typical digital I O connection schemes Provides some typical connection schemes for output solenoid relay motor and logic device control and for input mi cro switch...

Page 36: ...cards away from each other Remember to only handle the cards by the edges and shields to avoid contamination 2 Use Figure 4 1 to locate the jumper s to be removed 3 It is not necessary to physically...

Page 37: ...outputs to high impedance devices i e logic devices pull up resistors are used to achieve the appropriate logic level These resistors are installed at the factory Figure 4 2 Voltage source jumper for...

Page 38: ...ction Configuring digital I O input pull up resistance Referring to Figure 4 5 for digital I O input pull up resis tance location perform the following steps to configure J100 1 If mated together sepa...

Page 39: ...on and DUT devices under test In general these accessories which are summarized in Table 4 1 utilize a round cable assembly for connections Terminal identification for the DIN connector of the multi p...

Page 40: ...24b 88 24c 57 25b 89 25c 58 26b 90 26c A B C D E 1 6 11 16 21 26 2 3 4 5 7 8 9 10 12 13 14 15 17 18 19 20 22 23 24 25 27 28 29 30 91 27c 59 27b 92 28c 60 28b 93 29c 61 29b 94 30c 62 30b 95 31c 63 31b...

Page 41: ...c 21a 21 col 1 HI 27c 91 vext 5a 5 nc 22a 22 col 1 LO 27b 59 vext 5b 37 nc 23a 23 col 2 HI 28c 92 shield 9a 9 nc 24a 24 col 2 LO 28b 60 shield 9b 41 nc 25a 25 col 3 HI 29c 93 gnd 2a 2 nc 26a 26 col 3...

Page 42: ...gged in after the Model 7022 is installed in the Model 7001 7002 mainframe and with the mainframe power off Installation is covered at the end of this section Output relays The multi pin connector car...

Page 43: ...ire instrumentation and DUT to bulkhead connector See Table 4 2 and Figures 4 8 and 4 10 for terminal identification B 7011 MTC 2 Cut in Half Wire directly to instrumentation and DUT Multi Pin Connect...

Page 44: ...9C connections are accomplished using a custom built cable assembly that consists of a Model 7011 KIT R connector and a suitable round cable Hitachi cable part number N2807 P D 50TAB is a 50 conductor...

Page 45: ...e that the bulkhead connector is shown mounted to a fixture to help keep the cabling stable during the test When using a single card system make sure that the card remains electrically isolated from a...

Page 46: ...ane row jumpers of both cards must be installed Figure 4 13 shows how external connections can be made for the multi pin connector cards In this example a single Model 7011 MTC 2 round cable assembly...

Page 47: ...mn Column CARD 1 CARD 2 Equivalent Circuit Row DUT Test Fixture 1 2 3 4 5 6 DUT Test Fixture 1 2 3 4 5 6 Instrument Instrument Instrument Instrument 7011 MTC 2 Cable Assembly Cut in half to provide tw...

Page 48: ...the Model 7001 7002 1 mainframe are identical to the ones used for the two card system The third card installed in Model 7001 7002 2 mainframe shows how a custom built cable can be used to make conne...

Page 49: ...DUT Test Fixture 1 2 3 4 5 6 DUT Test Fixture 1 2 3 4 5 6 Instrument Instrument Instrument Instrument 7011 MTC 2 Cable Assembly Cut in half to provide two cables C A R D 1 C A R D 2 7022 7022 I N O U...

Page 50: ...is being used A solenoid is ener gized when the corresponding output channel is turned on closed Figure 4 15 Digital output solenoid control Motor control Figure 4 16 shows a digital output con necti...

Page 51: ...input channel is high appears as a bar on the Model 7001 display or a lit LED on the Model 7002 When a switch is closed the corresponding input channel is pulled low to ground As a result the input ch...

Page 52: ...ndle the cards by the edges and shields to prevent contamination 2 Facing the rear panel of the mainframe select the slot CARD 1 or CARD 2 that you want to install the Model 7022 card in 3 Referring t...

Page 53: ...formation that applies to the Models 7022 D and 7022 DT Internal connections The two PC boards that plug together are secured by a 4 40 screw see Figure 4 20 Input output connections WARNING Connectio...

Page 54: ...N C N C N C N C N C N C N C N C N C 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Col 3 LO Row E LO Row C HI Row B LO Col 4 LO Col 6 HI Col 2 LO Col 1 HI N C N C N C N C N...

Page 55: ...ating or damage to the relays never exceed the following maximum signal levels DC signals 110V DC or 155 VAC peak between any two inputs or chassis 1A switched 30VA resistive load Digital I O maximum...

Page 56: ...logic but can be configured to pull up or pull down Thus a channel can be pulled high or pulled low when the input is open depending on the jumper configuration Input channels will be displayed as hi...

Page 57: ...OUT OUT OUT OUT OUT 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 2 16 2 17 2 18 2 19 2 20 2 21 2 22 2 23 2 24 2 25 2 26 2 27 2 28 2 29 2 30 2 31 2 32 2 33 2 34 2 35 2 36 2 37 2 38...

Page 58: ...frame and for information on defining channel patterns Scanning channels Channels are scanned by creating a scan list and configuring the Model 7001 7002 to perform a scan The scan list is cre ated in...

Page 59: ...e Universal Language Driver CECHP Refer to QuickBASIC 4 5 Programming in the mainframe manual for details on installing the Univer sal Language Driver opening driver files and setting the input termin...

Page 60: ...channels slot 4 SENSe6 DATA list Read input channels slot 5 SENSe7 DATA list Read input channels slot 6 SENSe8 DATA list Read input channels slot 7 SENSe9 DATA list Read input channels slot 8 SENSe10...

Page 61: ...m but it can be expanded to test more by simply using additional Model 7022 cards The Model 7001 accommo dates two cards Daisy chaining six Model 7001s expands the system to 12 cards allowing 12 four...

Page 62: ...relay EMF at a minimal level To compensate for thermal EMFs close two crosspoints such as 1 and 2 This will short the input of the Model 2000 enable zero to cancel internal offset and then enable off...

Page 63: ...ctor to be considered when checking low voltage dividers is thermal EMFs generated by the card The Model 7022 has been designed to keep relay EMF at a minimal level A matrix crosspoint can generate up...

Page 64: ...are 110V and 1A 30W with resistive load This system tests two transistors but can be expanded to test more by simply using additional Model 7022 cards The Model 7001 will accommodate two cards Daisy c...

Page 65: ...t and measure voltage It is used to provide the base current IB for the transistor and will also measure the base to emitter voltage VBE With collec tor current IC and base current IB known the curren...

Page 66: ...ragraphs discuss these effects and ways to minimize them Path isolation The path isolation is simply the equivalent impedance between any two test paths in a measurement system Ideally the path isolat...

Page 67: ...y from these potential noise sources At high current levels even a single conductor can generate significant fields These effects can be minimized by using twisted pairs which will cancel out most of...

Page 68: ...lean As is the case with any high resistance device the integrity of connectors can be damaged if they are not handled prop erly If connector insulation becomes contaminated the insu lation resistance...

Page 69: ...precautions Because of the high impedance circuits on the Model 7022 care should be taken when handling or servicing the card to prevent possible contamination which could degrade perfor mance The fol...

Page 70: ...tion information is provided in Section 4 One method to make instrument connections to the card is by hard wiring a 96 pin female DIN connector and then mating it to the connector on the Model 7022 Ro...

Page 71: ...1 rowA column 1 Verify that the resistance of this channel is 1 25 9 Open channel 1 1 and close 1 6 Verify that the resis tance of this channel is 1 25 10 Open channel 1 6 and close 1 11 Verify that...

Page 72: ...k and on the Model 7001 7002 open channel 1 1 9 Repeat the basic procedure in steps 6 through 8 to check the rest of the pathways channels 1 6 1 11 1 16 1 21 and 1 26 of the row 10 Turn off the Model...

Page 73: ...CE FUSE WITH SAME TYPE AND RATING CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE WITH SAME TYPE AND RATING 115V 90 110V 105 125V 180 220V 210 250V A B C 1 3 4 5 6 2 Model 7022 MODEL...

Page 74: ...EADING on the Model 182 to null out internal offsets Leave REL READING enabled for the entire procedure 11 Turn off the mainframe Remove the Model 7022 front slot 1 Cut the short from HI to LO on the...

Page 75: ...odel 6517A to settle verify that it is 1G This measurement is the leakage resistance isolation between row A column 1 and row B column 2 9 Turn off the Model 6517A voltage source 10 Turn off the Model...

Page 76: ...est no Path isolation Test equipment locations Channels closed 1 Row A Col 1 to Row B Col 2 Row A and Row B 1 1 and 1 7 2 Row B Col 2 to Row C Col 3 Row B and Row C 1 7 and 1 13 3 Row C Col 3 to Row D...

Page 77: ...he Model 6517A to settle verify that it is also 1G This measurement checks the isolation of column 1 13 Using Table 6 3 as a guide repeat the basic procedure in steps 9 through 12 for the rest of the...

Page 78: ...t the output channel is off open Figure 6 8 Testing an input or output channel WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY WARNING NO INTERNAL OPERATOR SERVICABLE...

Page 79: ...only anti static type de soldering tools and grounded tip soldering irons Principles of operation The following paragraphs discuss the basic operating princi ples for the Model 7022 and can be used a...

Page 80: ...ion to be read over the IDDATA line The ROM then transmits an acknowledge signal back to the mainframe and it then transmits data at that location back to the mainframe Figure 6 11 3 The mainframe the...

Page 81: ...output channel drivers Note that a channel driver output can go low or high when it is turned on closed depending on its logic configuration Digital I O input channel control The mainframe reads digit...

Page 82: ...clear each mounting hole completely free of solder Each relay pin must be free to move in its mounting hole before removal Also make certain that no burrs are present on the ends of the relay pins Tr...

Page 83: ...ly 7 U110 pin 5 IDDATA pulses During power up only 8 U106 pin 7 STROBE pulse End of relay update sequence 9 U106 pin 2 CLK pulses During relay update sequence only 10 U106 pin 3 DATA pulses During rel...

Page 84: ...Service Information 6 16 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 85: ...r the factory see inside front cover for addresses When ordering parts be sure to include the following information 1 Card model number 7022 2 Card serial number 3 Part description 4 Circuit descripti...

Page 86: ...6 Schematic Relay Card 7022 NOTE The Model 7021 and 7022 use the same relay card only the connector cards are different Table 7 2 Parts List Mass Terminated Connector Card for 7022 7022 170 Component...

Page 87: ...E 5V RL 149 P2001 CONN 32 PIN 2 ROW CS 775 1 Q100 TRANS NPN PWR TIP31 T0 220AB TG 253 Q101 TRANS N CHAN MOSPOW FET 2N7000 T0 92 TG 195 R100 130 132 RES 10K 5 1 4W COMPOSITION OR FILM R 76 10K R131 RES...

Page 88: ...Replaceable Parts 7 4 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 89: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 90: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 91: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 92: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 93: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 94: ...1A STANDOFF ST 203 1 C201 204 CAP 0 1 F 20 50V CERAMIC C 365 1 CR201 204 DIODE SILICON IN4148 D0 35 RF 28 J201 CONN BERG CS 339 J202 203 CONNECTOR SHIM 7011 309A J1004 CONN 96 PIN 3 ROW CS 514 K201 20...

Page 95: ...Replaceable Parts 7 6 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 96: ...TE FOR COMPONENT INFORMATION PLEASE REFER TO PRODUCT STRUCTURE 1 1 A B C D D C B A 4 3 2 4 3 2 DATE ENG REVISION ECA NO LTR QTY NEXT ASSEMBLY MODEL USED ON NO FRAC 1 64 ANG 1 XXX 005 XX 01 DIM TOL UNL...

Page 97: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 98: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 99: ...Circuit designation Description Keithley part no 96 PIN FEMALE DIN CONNECTOR CS 787 1 BUSHING STRAIN RELIEF BU 27 CABLE ADAPTER REAR EXIT INCLUDES TWO CABLE CLAMPS CC 64 CONNECTOR HOUSING CS 788 Arti...

Page 100: ...Replaceable Parts 7 8 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 101: ...l I O output channel control 6 13 Digital inputs 3 3 Digital outputs 3 1 E Environmental conditions 6 2 F Factory service 7 1 Features 1 1 Four terminal ohms measurements 5 8 G General information 1 1...

Page 102: ...ching systems 2 5 Service information 6 1 Shipping contents 1 2 Single card system 4 11 Single ended switching 2 3 Special handling of static sensitive devices 6 11 SMU connections 2 4 Specifications...

Page 103: ...ibration only Certificate of calibration required Data required attach any additional sheets as necessary Show a block diagram of your measurement system including all instruments connected whether po...

Page 104: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 105: ...Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Page 106: ...4 93 07 40 Fax 089 84 93 07 34 GREAT BRITAIN Keithley Instruments Ltd The Minster 58 Portman Road Reading Berkshire RG30 1EA 0118 9 57 56 66 Fax 0118 9 59 64 69 INDIA Keithley Instruments GmbH Flat 2B...

Page 107: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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