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Model 7002-HD-MTX1 Differential 6 × 32 Matrix Card User`s Manual

1. WARNING s 00 000 INTERNAL OPERATOR SERVICEABLE PARTS SERVICE BY QUALFED PERSONNEL ONLY nye 1 5 eee T D 9 Bee SS 0 o n gt SURE n t MEL EHE HERRERA o I AF mE o PEE lt r NN J molt E amp 00000002000 og 10 y SN u 000000000 AEn PROTECTION AGANST FRE HAZARD REPLACE FUSE WIH SAME TYPE AND RATING A Columns Connectors Return to Section 2 topics Model 7002 HD MTX1 User s Manual Connections and Installation 2 11 Figure 2 7 Top view Model 7002 HD MTX1 connections J111 M rac 4 em 911n 5257 m Anm rein 9234 22TH 129 unn m n Amin 8217 ES 524 ROW 4 ROW 5 ROW 6 D D D D ZES COLUMNS Q 2220002000000
2. SS Ze p 4 insulation NOTE 7002 0 1 in Model 7002 HD 1 Card 1 is connected to 7002 HD MTX1 in Card 2 internally through the backplane Similarily 7002 HD MTX1s in Model 7002 HD 72 are also connected Return to Section 2 topics 2 8 Connections and Installation Model 7002 HD MTX1 User s Manual Connections and wiring WARNING The following information is intended for qualified service per sonnel Do not make Model 7002 HD MTX1 connections unless qualified to do so To prevent electric shock that could result in serious injury or death adhere to the following safety precautions Before removing or installing a Model 7002 HD MTX1 in the mainframe make sure the mainframe is turned off and dis connected from line power Before making or breaking connections make sure power is removed from all external circuitry Do not connect signals that may exceed the maximum specifications of the Model 7002 HD MTX1 or external wiring Specifications for the Model 7002 HD MTX1 are provided at the end of this document Card configuration The general layout of the Model 7002 HD MTX1 is shown in Figure 2 5 Note that the top cover must be removed to access some connectors to make signal connections Return to Section 2 topics Model 7002 HD MTX1 User s Manual Connections and Installation 2 9 WARNING _
3. 105 T J110 UM nini niii nini e i ce ME unum m o gu Annum CT gnum SZ SZ 0101 0105 U109 M62 U106 110 107 103 0108 112 J104 C LE 2 o e 5 eee K533 K K102 107 K11 11 Kil K116 118 K119 K120 K124 K125 K K127 K130 131 ee ecm ecm ec ec ecm ecm ecm ech ee ecm ecm ecm ecm ec ec ecm ecm ecm ecm ecm ecm ecm ecm ecm ecm ecm oH oH eo ecm 999 I e e e e e ele e e e e e Ri e e e e e e ee e e TP105 05 cry C102 A mee m e e e e e e e E 1 ere e ele T e P ha UP SET 1 mice me He me Bice We Bice Bice mice Hoe iM e N ech e MN ec ech ech ecm ecm o N ecm ecm ecm o N o N ecm ecm ecm eo eo ecm 1 5 er
4. oo KW NM 1 2 3 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2 5 5 5 5 5 5 5 5 Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 21 6x64 channel to channel isolation test 1 To check channel to channel isolation in a 6 x 64 matrix configuration add a second Model 7002 HD MT X1 to the test system Install Model 7002 HD MTX1 1 in Card 1 of Model 7002 HD and Model 7002 HD MTX1 2 in Card 2 Turn Model 7002 HD on Follow Steps 7 through 19 in the 6 x 32 channel to channel isolation test on page 4 17 to check all adjacent channels Refer to Table 4 3 for appro priate channel closures Turn off the Model 7002 HD Turn the Model 6517 100 source off disable REL and enable zero check Return to Section 4 topics 4 22 Servicing Table 4 3 Model 7002 HD MTX1 User s Manual 6 x 64 channel to channel isolation configuration Test no Col 1 2 N DOF 1 2 3 4 5 5 5 5 5 5 9 5 5 5 5 5 5 5 5 5 5 3 5 5 5 5 5 5 5 5 9 0o o Test equip location Card 1 closed channels 111 1134 5 33 5 34 1134 2127 5133 5134 2127 3120 5 33 5134 3120 4113 5133 5134 4113 516 5 33 5134 4114 517 5183 5134 4115 5 8 5133 5 34 4116 519 5 33 5 34 4117 5110 5 33 5 34 4118 5111 5 33 5 3
5. H 6 2 L H L L H L H L Configuration 1 6 x 32 matrix Remove power from Model 7002 HD Connect to a low thermal short between HI and LO of each row input Connect a low thermal short between HI and LO of each column output Connect the Model 2182A HI and LO input test leads to the rows input ter minal of Row 1 respectively as shown in Figure 4 5 5 Install the Model 7002 HD MTX1 in Card 1 opening of the Model 7002 HD and turn the Model 7002 HD on 6 Allow the Model 2182 7002 HD and 7002 HD MTX1 to warm up for two hours 7 Select the 10mV range on the Model 2182A Return to Section 4 topics Pe qe 4 16 Servicing 10 11 12 13 14 15 16 17 18 Model 7002 HD MTX1 User s Manual Press REL on the Model 21824 to null out internal offsets Leave REL enabled for the entire procedure Turn off the Model 7002 HD Remove the 7002 HD MT X1 from the card 1 opening Cut the low thermal short between ROW 1 HI and LO Install the 7002 HD MTX1 into the CARD 1 opening Turn on the Model 7002 HD Program the Model 7002 HD to close channels 1 1 This steps closes 1 Column 1 After settling 5 minutes verify that the reading on the Model 2182 is lt 4 5uV This measurement represents the contact potential of the pathway From the Model 7002 HD open channel 11 Close channel 1 2 through 1 32 for each column 2 32 verifying the Model 2182A re
6. TEMP TYPEK HUMIDITY Q OPTION SLOT CAUTION For CONTINUED PROTECTION AGAINST FIRE SELECTED d 9 J LINE VOLTAGE V SOURCE 210 260V LINE RATING LINE FUSE 50 60HZ SLOWBLOW 50VA MAX 1 2A 90 125V AC ONLY 1 4A 180 250V ec TRIG MTR COMP om e CHANGE IEEE ADDRESS RS232 DIGITAL TRIG LINK EH KEITHLEY HAZARD REPLACE FUSE WITH SAME TYPE AI Input Model 6517A Electrometer Source V and Measure Ammeter HI Red Rows Voltage Source Unterminated Banana Cable Columns Servicing 4 19 Setup shown is configured to test isolation between row 1 column 1 and row 2 columnn 2 Ground link is removed V source LO and Ammeter LO connected internally 32 Model 7002 HD MTX1 Return to Section 4 topics 4 20 Servicing Model 7002 HD MTX1 User s Manual Table 4 2 6 x 32 channel to channel isolation configuration Test equip Channels Col location closed 111 1 34 1134 2127 2127 3120 3120 413 413 516 4114 517 4115 5 8 4116 5 9 4117 510 4118 5111 4119 512 4120 5113 4121 5114 4122 5115 4123 5116 4124 517 4125 5118 4126 5119 4127 5120 4128 5121 4129 5122 4130 5 23 4131 5 24 4132 5125 4133 5126 4134 5127 4135 5128 4136 5129 4137 5130 4138 5131 4139 5 32 CON OOF WP CON OOF WP o ON O OF O
7. eeeeeee 117 Return to Section 4 topics opecifications Specifications Model 7002 HD MTX1 User s Manual 7002 HD MTX1 Differential 6x32 Matrix Card COLUMNS 64 pin header GENERAL MATRIX CONFIGURATION Differential 6 rows x 32 columns RELAY TYPE Double pole form DPST electromechanical relays RELAY DRIVE CURRENT lt 35mA per channel RELAY ACTUATION TIME lt 3ms FIRMWARE Specified for Model 7002 HD EMC Conforms to European Union Directive 89 336 EEC EN61326 1 SAFETY Conforms to European Union Directive 73 23 EEC EN61010 1 INPUTS MAXIMUM SIGNAL LEVEL 200VDC or 200Vrms 283V peak for AC waveforms 1 switched 60W 125VA maximum COMMON MODE VOLTAGE 200VDC or 200Vrms 283V peak for AC waveforms between any terminal and chassis CONNECTOR TYPE Columns 64 pin IDC compatible header with latch eject arms Rows 5mm removable screw terminals supports 18 22AWG wire Supplied with removable screw terminals 14 pin IDC compatible header CONTACT LIFE gt 108 operations at no load gt 10 operations at rated load resistive load MATRIX CONFIGURATION 6x32 6 X 64 CHANNEL RESISTANCE de is CONTACT lt 4 5 per lt 9uV POTENTIAL contact pair contact pair OFFSET CURRENT lt 100 lt 200 ISOLATION Between any two gt 10 Q gt 100 terminals 150pF lt 300
8. November 2004 Keithley product names are trademarks or registered trademarks of Keithley Instruments Inc Other brand names are trademarks or registered trademarks of their respective holders 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 Maint
9. Supplemental insulation Cable ties 3 shown Return to Section 2 topics 2 16 Connections and Installation Model 7002 HD MTX1 User s Manual Connection colors Table 2 3 contains the color codes for the 64 pin ribbon cables J113 and Table 2 4 on page 2 17 includes color codes for 14 pin cables J112 Table 2 3 Connection log for 64 pin header J113 Color coded 3M 3302 64 flat ribbon cable Matrix columns Matrix columns connections connections Brown Hed Orange Yellow Green Blue Violet Grey White Black Brown Hed Orange Yellow Green Blue Violet Grey White Black Brown Hed Orange Yellow Green Blue Violet Grey White Black Brown Hed gt Yellow Green Blue Violet Grey White Black Brown Hed Orange Yellow Green Blue Violet Grey White Black Brown Hed Orange Yellow Green Blue Violet Grey White Black Brown Hed Orange Yellow Return to Section 2 topics Model 7002 HD MTX1 User s Manual Connections and Installation 2 17 Table 2 4 Connection log for 14 pin head J112 Color coded 3M 3302 14 flat ribbon Matrix row color Connections Brown Hed Orange Yellow Green Row 3 HI Blue LO Violet Row 4 HI Grey LO White Row 5 Black LO Brown Row 6 HI Red LO Orange Yellow 2
10. e Ic 13 2 9 9 e e ep ere ee ce e e e e le e e oe e e e e e e e e Hm C212 e an ee e e e e e e Sw e ere er ere ee OW 44 e er e m ice ice Hoe Hce Hoe Hoe Hoe Hoe on ec ecm ecm ecm ecm ec ecm ecm ecm ecm ecm ecm e M ec ecm eo ecm eco oH ecm ep epi ecm e 1 J10 e ee e epe er er er o R er e e er ef ge e 2 e e e e e e e e e e e 02 K50 8 K509 K5 T9 K52 K525 K526 K5 E lt 1O _ Lu e us U125 0121 0113 0117 0118 0122 9114 0123 0115 012 0116 0124 zt gt 4 nini nin niu niii niii nin o gt m Ann Ann
11. On GARA A ALW 4 3 Special handling of static sensitive devices 4 3 Performance 4 Environmental conditions 4 5 Recommended sw 4 5 Matrix connections ss 4 6 Channel tesist ance 4 6 4 11 Contact potcnHal ESIS 4 15 Isolation FESS eoe HN NN NY 4 17 Replaceable parts YF RE 4 28 4 28 Order normato 4 28 Factory we 4 28 Component lay ont T 4 30 Specifications 2 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Figure 2 8 Figure 2 9 Figure 2 10 Figure 2 11 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 Figure 4 9 List of Illustrations Connections and Installation Simplified schematic Model 7002 HD MTX1 matrix switching 2 3 Adding external sources to the matrix test system 2 4 Two matrix test system for 64 column expansion eese 2 6 Two matrix test system for 128 column expansion 2 7 Model 7002 HD MTX1 configuration 2 0 A O 2 10 Top view Model 7002 HD MTX1 connections 2 11 Top view Model
12. aed 2 5 Connections and Wiring r 2 8 Card configuration 2 8 Recommended cables and connectors Ne 2 9 Connector ACCESS uta HN CN 2 10 MI atr CONNECTIONS an ana lUi don bod DERE Ceu aded rap 2 11 bs v HN RY YNN WYN 2 14 COMMECIION Colors O 2 16 Card installation and removal 2 4 0 4000000000 2 18 Card installalo T UT FFF RYFAIN FYRR 2 18 Ce A NHY R 2 18 TOG WC 3 2 Ji 3 2 Channel 3 2 hangel a tU 3 2 HR NN NR HN RT 3 3 Back plane COMMECIIONS TR 3 4 Closing and opening channels et 3 6 Channel control considerations 2 2 2 0 enne 3 6 FROME 3 6 TE EE Dis control ee eu CF FOAN DOE OED OG 3 7 Programming examples FFF 3 7 Measurement considerations 3 8 E 3 8 CI 3 8 Path eie 3 9 Magnetic fields and REL NAG kan 3 9 round 3 9 Servicing Dices Tc 4 2 Handling and cleaning precautions 4 2 Handling precautions ee 4 2 Soldering considerations
13. 200 DC or 200V rms 283V peak AC switching with 60W 125VA maximum Warranty information Warranty information is located on the inside front cover of this manual Should your Model 7002 HD MTX1 require warranty service contact the Keithley repre sentative 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 infor mation Manual addenda Any improvements or changes concerning the manual will be explained in an addendum included with the card Safety symbols and terms The following symbols and terms may be found on an instrument or used in this manual If a screw is present connect it to safety earth ground using the wire recom mended in the documentation The N symbol on equipment indicates that you should refer to the operating instructions located in the manual The N 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 Return to Section 1 topics Model 7002 HD MTX1 User s Manual General Information 1 3 The WARNING heading used in this manual explains dangers that could result in personal
14. 3 4 5 6 7 8 OO Return to Section 2 topics 2 18 Connections and Installation Model 7002 HD MTX1 User s Manual Card installation and removal The following paragraphs describe how to install and remove the Model 7002 HD MTX1 card assembly from the Model 7002 HD mainframe WARNING Installation or removal of the Model 7002 HD MTX1 should be performed by qualified service personnel only Failure to rec ognize and observe standard safety precautions could result in personal injury or death To prevent performance degradation caused by contamination handle the card only by the edges and covers Card installation After connecting the input output cables perform the following steps and refer to Figure 2 11 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 circuitry 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 multiplexer card from the mainframe WARNING Turn off power to all instrumentation including the Model 7002 HD and disconnect all line cords
15. Column expansion 6 x 64 page 2 5 Column expansion 6 x 128 page 2 5 Connections and wiring page 2 8 Card configuration page 2 8 Recommended cables and connectors page 2 9 Connector access page 2 10 Matrix connectors page 2 11 Wiring page 2 14 Connection colors page 2 16 Card installation and removal page 2 18 Card installation page 2 18 Card removal page 2 18 2 2 Connections and Installation Model 7002 HD MTX1 User s Manual Introduction WARNING The following information is intended for qualified service personnel Do not make Model 7002 HD MTX1 connections unless qualified to do so To prevent electric shock that could result in serious injury or death adhere to following safety precautions Before removing or installing a Model 7002 HD MTX1 in the mainframe make sure the mainframe is turned off and disconnected from line power Before making or breaking connections make sure power is removed from all external circuitry Do not connect signals that may exceed the maximum specifications of the Model 7002 HD MTX1 or external wiring Specifications for the Model 7002 HD MTX1 are provided at the end of this manual This section includes information on making connections to the Model 7002 HD MTX1 and installing the card in the Model 7002 HD Switch System Handling precautions Matrix To maintain high impedance isolation between channels care should be taken when handling the card to avoid contam
16. Make sure all power 15 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 Model 7002 HD MTX1 User s Manual Connections and Installation 2 19 Figure 2 11 Card installation in Model 7002 HD mainframe Card Access Screw 2 per card 7002 HD MTX1 Cards Return to Section 2 topics Operation Section 3 topics Signal limitations page 3 2 Channel mapping page 3 2 Channel assignments page 3 2 Channel map page 3 3 Backplane connections page 3 4 Closing and opening channels page 3 6 Channel control considerations page 3 6 Front panel control page 3 6 IEEE 488 bus control page 3 7 Programming examples page 3 7 Measurement considerations page 3 8 Connectors page 3 8 Cables page 3 8 Path isolation resistance page 3 9 Magnetic fields and RFI page 3 9 Ground loops page 3 9 3 2 Operation Model 7002 HD MTX1 User s Manual Introduction This section contains information on using the Model 7002 HD MT X1 including signal limitations channel mapping front panel and IEEE 488 bus operation and measurement considerations Signal limitations CAUTION _ To prevent damage to the Model 7002 HD MTX1 do not exceed the maximum signal level specifications of the card To prevent overheating
17. 6 x 64 differential or common mode terminal to earth isolation Test Card 1 closed Card 2 closed no Location channels channels OF WN How 1 Col 33 Col 34 Col 35 Col 36 Col 37 Col 38 Col 39 Col 40 Col 41 Col 42 Col 43 Col 44 Col 45 Col 46 Col 47 Col 48 Col 49 Col 50 Col 51 Col 52 Col 53 Col 54 Col 55 Col 56 Col 57 Col 58 Col 59 4 60 Col 61 Col 62 Col 63 Col 64 none 6 1 10 33 6 2 10 33 6 3 10 33 614 10133 615 10133 6 6 10 33 6 7 10 33 6 8 10 33 6 9 10 33 6110 10 33 611 10 33 6112 10 33 6113 10 33 6114 10 33 6115 10 33 6116 10 33 6117 10 33 6118 10 33 6119 10 33 6120 10 33 6121 10 33 6122 10 33 6123 10 33 6124 10 33 6125 10 33 6126 10 33 6127 10 33 6128 10 33 6129 10 33 6130 10 33 6131 10 33 6132 10 33 How 2 6 1 6 33 10 33 How 3 61 7125 10 33 How 4 6 1 817 10133 How 5 6 1 919 10 33 6 611 101 10 33 Return to Section 4 topics 4 28 Servicing Model 7002 HD MTX1 User s Manual Replaceable parts This section contains replacement parts information and the component layout drawing for the Model 7002 HD MTX1 card Parts list Replaceable parts for the Model 7002 HD MTX1 are listed in Table 4 6 and Table 4 7 Ordering information To place an order or to obtain information concerning replacement parts contact your Keithley representative or the factory see rear cover for addresses When ordering parts be
18. 64 column system Description Command sequence Reset Model 7002 HD mainframe Open all channels all Close relays and backplane row 9112 5133 10133 isolation relays for Row 1 and Col umn 2 of Card 1 Query list of closed channels Open previously closed channels Measurement considerations Signals passing through the Model 7002 HD MTX1 Matrix Card are subject to various effects that can influence their characteristics The following paragraphs discuss some of these effects and ways to minimize them Connectors Connector housing materials will affect the performance of the Model 7002 HD MTX1 In order to achieve the Model 7002 HD MTX1 specifications follow the list of recommended connectors Cables Cable leakage and capacitance affect Model 7002 HD MTX1 performance In order to achieve the Model 7002 HD MTX1 specifications follow the list of recommended cables Return to Section 3 topics Model 7002 HD MTX1 User s Manual Operation 3 9 Path isolation resistance The path isolation resistance is the equivalent resistance between two given con necting points on the card and is of importance primarily for DC and low frequency AC signals switched by the card The effects of this characteristic depend on the particular isolation specification Channel to channel isolation resistance may result in leakage currents generated in one channel caused by a voltage source con nected to another channel To maintain maximum
19. ALL OTHER WARRANTIES 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 Leeuw 02 363 00 40 Fax 02 363 00 64 wwwkeithley nl China Beijing 8610 55010010 Fax 8610 82255010 www keithley com cn Finland Helsinki 09 5306 6560 Fax 09 5306 6565 www keithley com France Saint Aubin 01 64 53 20 20 Fax 01 60 11 77 26 wwwkeithley fr Germany Germering 089 84 93 07 40 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 www keithley com
20. Italy Milano 02 48 39 1601 Fax 02 48 39 1628 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 www keithley 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 www keithley com Taiwan Hsinchu 886 3 572 9077 Fax 886 3 572 9031 www keithley com tw 11 04 Model 7002 HD MTX1 Differential 6 x 32 Matrix Card User s Manual 2004 Keithley Instruments Inc rights reserved Cleveland Ohio U S A First Printing November 2004 Document Number 7002 1 900 01 Rev 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 7002 1 900 01
21. LO Model 6517A 2 lll E D c __ Ii L L a L Model 7002 HD MTX1 Configuration 3 6 x 64 offset current tests 1 To check channel to chassis and channel to channel offset current in a 6 x 64 matrix configuration install a second Model 7002 HD MTX1 in Card 2 of Model 7002 HD 2 Follow the procedures for Configuration 1 Channel to chassis and Configuration 2 Differential offset current testing Connect the 6517A to row 1 6 HI and LO Card 1 closing channels 6 1 through 10 32 on Card 2 Make sure to close the appropriate backplane row isolation and rows input channels in Model 7002 HD MTX1 3 Verify that the offset leakage current is lt 200pA Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 15 Contact potential tests These tests check the EMF generated by each relay contact for each pathway The tests consist of using a sensitive digital voltmeter Model 2182A to measure the contact potential Perform the following procedure to check the contact potential of each path Figure 4 5 Matrix contact potential testing Model 2107 Low Thermal Cable 2182 Measure Voltage e e e e e e e e
22. MTX1 User s Manual Servicing 4 11 Offset current tests These tests check leakage current from channel to channel and from channel to chassis for each pathway In general these tests are performed by measuring the leakage current with an electrometer In the following procedure the Model 6517A is used to measure leakage current Referring to Figure 4 3 and Figure 4 4 perform the following procedure to check channel to chassis offset current in the matrix Figure 4 3 Matrix channel to chassis offset current testing Model 237 Triax Cable Joc E ECCL C i Columns i 1 2 3 4 31 32 WARNING NO INTERNAL OPERATOR SERVICABLE PARTS SERVICE BY QUALIFIED PERSONNEL ONLY mm H a 7 Es 1 43 2929 00 eee H o e e eben L I LO Model 6517A Measure Current gt L gt NOTE Chassis ground is accessible at any metal contact at the rear panel of the Model 7002 HD s Return to Section 4 topics 4 12 Servicing Model 7002 HD MTX1 User s Manual Configuration 1 Channel to chassis common mode offset current test 1 Remove power from Model 7002 HD 2 Setup for offset current tests Connect the Model 6517A to the rows input terminal of Row 1 as shown in Figure 4 3 Note that HI is conne
23. Replace and secure the top cover before installing and operat ing the Model 7002 HD MTX1 card Figure 2 5 Model 7002 HD MTX1 configuration KEITHLEY 7002 HD MTX1 6 X 32 MATRIX CARD MADE IN U S A MAX SIGNAL LEVEL 200VDC OR 200Vrms 283Vpk 1 0A Mainframe Connectors Fixed Cover Removable Cover Recommended cables and connectors The recommended cables and connectors are as listed in Table 2 1 Return to Section 2 topics 2 10 Connections and Installation Model 7002 HD MTX1 User s Manual Table 2 1 Recommended cables and connectors 7002 MTX 1 Description connector 6 pin removable screw terminal Hia Partit 31007106 J110 J111 14 pin female IDC socket 3M Part 89114 0101 J112 14 conductor jacketed ribbon cable 3M Part 3603 14 64 pin female IDC socket Parts 7964 6500EC 64 conductor jacketed ribbon cable 3M 3603 64 Connector access Two captive screws per card provide a method of securing the card to the Model 7002 HD see Card Access Screw in Figure 2 6 The columns connectors can be accessed from the rear as shown while the card must be removed from the main frame to access the rows Figure 2 7 Figure 2 6 Connector access Card Access Screw 2 per card
24. Section 2 topics 2 6 Connections and Installation Figure 2 3 Two matrix test system for 64 column expansion DUT DUT 1 2 Model 7002 HD 7002 HD MTX1 Card 1 1 2 3 Columns 64 Pin Header Model 7002 HD MTX1 User s Manual 30 CD Rows HL eL 2090 0909 1 0 2 LK 0 tl o o 3 c 100 15 OST 1057 04 US HD DUT DUT DUT in um A d A MEL Rows RAR i LEXXI lt lt tT ECOSSE 50 0 OO Te 5 LUKUKI e 29 04 to 14 Pin Header Return to Section 2 topics External Source 11 2 Model 7002 HD MTX1 User s Manual Connections and Installation 2 7 Figure 2 4 Two matrix test system for 128 column expansion Supplemental insulation Model 7002 HD 1 Model 7002 HD 1 J112 J112 2000000 0141 0000 00 2000000 0141 00000 0 3 14 pin ribbon cable 14 pin ribbon cable header male header male 0 9m Model 7002 HD 71 Model 7002 HD 2 m oon E E E 6 NE
25. or damage to the relays never exceed the following maximum signal levels when using the Model 7002 HD MTX1 e Maximum voltage 200V DC or 200V rms 283V peak for AC waveforms e Maximum current 1A switched per channel e Maximum power 60W 125VA maximum Channel mapping Channel assignments The Model 7002 HD MTX1 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 Sis slot number CH is the channel number Examples 111 Slot 1 Channel 1 5110 Slot 5 Channel 10 Return to Section 3 topics Model 7002 HD MTX1 User s Manual Channel map Operation 3 3 Table 3 1 summarizes the complete channel map for the Model 7002 HD MTX1 The backplane isolation map is contained in Table 3 2 In these two tables the Model 7002 HD MT X1 is in the Card 1 position of the Model 7002 HD When the Model 7002 HD MT X1 is in the Card 2 position of the Model 7002 HD add 5 to the slot number The matrix will then occupy slots 6 10 Channel control considerations on page 3 6 Table 3 1 Channel relay map programming for Card 1 Col 1 Col2 Col 4 Col 5 Col 6 Col 7 Col 8 Col9 11 Coli2 013 Coli4 Col15 Row 1 Close Command 11 12 1 14 15 116 17 118 19 110 111 112 113 114 115 1 K101 K102 K103 K104 K105 K106 K107 K108
26. path isolation resistance operate the Model 7002 HD MT X1 in a clean environment to avoid contamination Also be careful not to touch connec tors and board surfaces during wiring and installation If the board becomes con taminated it should be cleaned using the procedure described in Handling and cleaning precautions on page 4 2 Magnetic fields and Magnetic fields and RFI Radio Frequency Interference can induce small currents or other noise signals in connecting cables and wiring To reduce the effects of these unwanted signals in a test system 1 keep cable lengths to a minimum 2 minimized the exposed circuit area Magnetic or shielding may be necessary for satisfactory results Measurement instrument offset nulling or filter ing may be also be needed to minimize these negative effects on measurement integrity Ground loops Ground loops that induce a noise signal at the power line frequency or its harmon ics can result when two or more measurement instruments are connected to power line or earth ground simultaneously To eliminate ground loop noise con nect only one instrument in the test system to power line or earth ground WARNING When making instrument connections be careful to observe all necessary safety ground precautions for operator safety Return to Section 3 topics 4 oervicing Section 4 topics Handling and cleaning precautions page 4 2 Handling precautions page 4 2 Soldering co
27. the following SCPI commands to close and open channels CLOS lt list gt OPEN list ALL For example the following command will close Row 2 Column 29 and Row 4 Column 16 of Card 1 SCLOS 2121 3132 Conversely either of the commands below will open previously closed Row 2 Column 29 and Row 4 Column 16 of Card 1 OPEN 09 2 21 3 32 OPEN ALL Programming examples Programming example 1 Adding an external source to the matrix test system Table 3 4 shows an example that connects an external source using Row 1 to a DUT connected to Column 1 of the matrix as shown in Figure 2 2 on page 2 4 Table 3 4 Adding an external source to the matrix test system B Description Command sequence Reset Model 7002 HD mainframe RST Open all channels open all Close Row 1 Col 1 clos 1 1 Query list of closed channels clos stat Open previously closed channels open 1 1 Return to Section 3 topics 3 8 Operation Model 7002 HD MTX1 User s Manual Programming example 2 Adding an external source to a 6 x 64 matrix 2 matrix card test system The following example connects an external source using Row 1 of the matrix of a Model 7002 HD MTX1 in the Card 2 position of the Model 7002 HD to DUT 2 con nected to Column 2 of the matrix of a Model 7002 HD MT X1 in the Card 1 position as shown in Figure 2 3 on page 2 6 The command sequence is summarized in Table 3 5 Table 3 5 Adding an external source to a
28. 0000000000000eeeoees W J112 J113 J110 Matrix connectors Figure 2 7 shows the general location of the connectors Figure 2 8 details the connectors used for the Model 7002 HD MTX1 matrix row connections Both the 14 pin ribbon cable header and the two 6 pin removable screw terminals are used for rows connections Figure 2 9 shows the 64 pin ribbon cable header that is used for matrix columns connections Terminal identification for the male and female connector pins are located in Table 2 2 on page 2 13 Return to Section 2 topics 2 12 Connections and Installation Model 7002 HD MTX1 User s Manual Figure 2 8 Top view Model 7002 HD MTX1 matrix rows connectors J110 J111 J112 6 Lid 2000000 011 1 14 pin Ribbon Cable 6 pin Removable Screw Header Male Terminal Female Figure 2 9 Rear view Model 7002 HD MTX1 matrix columns connectors J113 Om m mmmmmmmmmummmummmummmumumuumumuumumumumuuumnmumi Gm 2 Printed Circuit Board 64 pin Ribbon Cable Header Male Return to Section 2 topics Model 7002 HD MTX1 User s Manual Connections and Installation 2 13 Table 2 2 Matrix pin identification Column connections Row connections 64 pin header conn J113 terminal block Matrix terminal E Matrix ter
29. 14 K315 K3 Row 4 Close Command 3 33 3134 335 3 36 7 3138 3 39 3 40 41 42 43 414 415 416 417 4 K333 K334 K335 K336 K337 K338 K339 K340 K401 K402 K403 K404 K405 K406 K407 K4 Row5 Close Command 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 41 425 K426 K427 K428 K429 K430 K431 K432 K433 K434 K435 K436 K437 K438 K439 K4 Row6 Close Command 517 518 519 5120 5121 5122 5123 524 525 526 527 5 28 529 530 5181 5K K517 K518 K519 K520 K521 K2 K2 524 K235 K526 K527 K2 529 Return to Section 3 topics 3 4 Model 7002 HD MTX1 User s Manual Table 3 2 Backplane isolation channel map programming for Card 1 Backplane isolation Close Command Helay K533 Close Command Close Command Close Command Close Command Close Command How How How How Row 1 Row 2 Backplane connections The Model 7002 HD mainframe backplane connects signals from the Card 1 and Card 2 positions inserted in the mainframe in a one to one fashion Therefore pin 1 on J107 on the Card 1 card is connected to pin 1 on J107 on the Card 2 card through the backplane The other J107 pins are connected similarly in this one to one manner When both cards are of the same type the connections through the backplane from one card to the other connect the same signals due to the symme try of the cards Table 3 3 can be used to interconnect two different card types through the 7002 HD backplane by clo
30. 212 8005 www keithley com Italy Milano 02 48 39 16 01 Fax 02 48 39 16 28 www keithley 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 www keithley com Netherlands Gorinchem 0183 635333 Fax 0183 630821 www keithley nl Singapore Singapore 65 6747 9077 Fax 65 6747 2991 www keithley com Sweden Solna 08 509 04 600 Fax 08 655 26 10 www keithley com Taiwan Hsinchu 886 3 572 9077 Fax 886 3 572 9031 www keithley com tw Copyright 2004 Keithley Instruments Inc Printed in U S A 11 04
31. 4 4119 5112 5 33 5134 4120 5113 5133 5134 4121 5114 5133 5 34 4122 5115 5 33 5134 4123 5116 5 33 5 34 4124 5117 5133 5134 4125 5118 5 33 5 34 4126 5119 5 33 5134 4127 5120 5 33 5 34 4128 5121 5133 5134 4129 5122 5 33 5134 4130 5123 5133 5134 4131 5124 5133 5134 4132 5125 5133 5134 4133 5126 5 33 5134 4134 5127 5133 5134 4135 5128 5183 5134 4136 5129 5133 5134 4137 5 30 5 33 5 34 4138 5131 5 33 5 34 4139 5132 5133 5134 Return to Section 4 topics Card 2 closed Es channels 10 33 10 34 10 34 10 35 10 35 10 36 10 36 10 37 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 10 37 10 38 Model 7002 HD MTX1 User s Manual Servicing 4 23 Differential common mode isolation test To verify channel to chassis mode and differential isolation repeat the basic procedure for channel to chassis testing Refer to Figure 4 7 and Figure 4 8 for connections See Table 4 4 on page 4 26 and Table 4 5 on page 4 27 for Model 6517A test closed channel and card 1 and 2 expansion requirements For channel to channel common mode keep the Model 6517A input HI
32. 64 Pin Header pones CD 3 30 a Removable Terminals 2 i e DOL a H H H 7 Q To 7002 HD 7 067 ackplane 97 ofc SOX SF 077 a H H H 9 D o o c X XJ 077 2 H H H 5 5 X US DX PSP QN E A re 14 Pin Header OE S di UNUN TT IN 0 Matrix cross point detail Return to Section 2 topics 2 4 Connections and Installation Figure 2 2 Model 7002 HD MTX1 User s Manual WARNING Multiple channel operation should only be performed by expe rienced test engineers who recognize the dangers associated with multiple channel closures WARNING When closing multiple channels it is possible to connect incompatible test equipment and or DUTs causing high cur rents to flow This can cause serious damage to test equipment and DUTs Rows 1 through 6 are typically used to connect one or more external sources to the test system An external source is typically used to power the DUT An example of this setup is shown in Figure 2 2 The external source is connected to Row 1 The power cables for the two DUTs are connected to Columns 1 for DUT 1 and Columns 2 for DUT 2 As shown in Figure 2 2 DUT 1 is tested with external source 1 by closing chan nel 111 To test 2 with external source 2 the following s
33. 7002 HD MTX1 matrix rows connectors 2 12 Rear view Model 7002 HD MTX1 matrix columns connectors 2 12 Wire ESF 2 15 Card installation in Model 7002 HD 2 19 Servicing Matrix path resistance testing ss 4 7 Matrix backplane rows path resistance testing 4 10 Matrix channel to chassis offset current testing 4 11 Differential offset current testing 4 14 Matrix contact potential testing ee 4 15 Channel to channel isolation testing 4 19 Differential isolation testing 4 24 Common mode isolation testing 4 25 Model 7002 HD MTX1 component layout top side 4 3 List of Tables 2 Table 2 1 Table 2 2 Table 2 3 Table 2 4 3 Table 3 1 Table 3 2 Table 3 3 Table 3 4 Table 3 5 4 Table 4 1 Table 4 2 Table 4 3 Table 4 4 Table 4 5 Table 4 6 Table 4 7 Connections and Installation Recommended cables and connectors 2 10 Matrix pin identification 2 13 Connection log for 64 pin header 113 2 16 Connection log for 14 pin head J112 2 17 Operation Channel relay map programming for Card 1 3 3 Backplane isolation channel map programming for Card 1 3 4 Backplane connections between 7002 HD MUX1 SEC em c E 3 5 Adding an external source to the matrix test sys
34. Figure 4 4 Install the Model 7002 HD MTX1 in Card 1 of the Model 7002 HD On the Model 65174 select the 200pA range and enable zero check and zero correct in that order Leave zero correct enabled for the entire procedure Turn on the Model 7002 HD 2 Check differential offset current for channel 1 Program the Model 7002 HD to close channel 1 1 This step closes 1 Column 1 On the Model 6517 disable zero check and verify that it is lt 100pA This measurement is the leakage current of the pathway On the Model 65174 enable zero check and on the Model 7002 HD MTX1 open channel 111 3 Check differential offset current for remaining channels Program the Model 7002 HD to close channel 1 2 On the Model 6517A disable zero check and verify that it is lt 100pA On the Model 65174 enable zero check and on the Model 7002 HD MTX1 open channel 112 Hepeat the basic procedure in this step to check the rest of the channels channels 1 2 through 1132 4 Turn off the Model 7002 HD and connect the Model 6517A HI to Row 2 HI and LO Repeat the basic procedure in Steps 2 through 3 to check the rest of the channel offsets 5 Repeat basic procedure Step 4 to check leakage of Row 3 6 Return to Section 4 topics 4 14 Servicing Model 7002 HD MTX1 User s Manual Figure 4 4 Differential offset current testing Model 237 Triax Cable 7 dux i 1 2 4 31 de
35. If you are unsure about the applicability of a replacement component call a Keithley Instruments office for information To clean an instrument 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 liguids 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 QUOC OIE TTE TN 1 2 a 1 2 Waranty Lu VAL OM ee 1 2 US 1 2 symbols ANG CHWIS EE 1 2 S 1 3 Unpacking and inspection ae 1 3 Y HAN GO EN EU HO WN FFF 1 3 Pie Ca MOMS 1 3 TU NN NY 1 3 acion SN 1 3 Repacking for shipment YO NN FFR FN NN 1 4 eO NDA Tm 1 4 Recommended cables and connectors RN 1 4 2 Connections and Installation LN 2 2 Handline precautions Rm 2 2 2 2 Matrix expans iO ANS 2 5 Column expansion 6 x 60 2 5 Column expansion O X 25 OYN
36. K109 K110 K111 K112 K113 K114 K115 K1 Row 2 Close Command 1133 1134 1 5 1 6 1 7 1138 1139 140 21 2 2 23 24 25 216 217 2 K133 K134 K135 K136 K137 K138 K139 K140 K201 K202 K203 K204 K205 K206 K207 K2 Row3 Close Command 2125 2126 227 228 2129 2130 2131 282 2133 2134 2135 2136 237 2138 2139 2k K225 K226 K227 K228 K229 K230 K231 K232 K233 K234 K235 K236 K237 K238 K239 K2 Row4 Close Command 3H7 319 320 21 3 22 3 23 3124 3125 3126 327 3 28 3 29 3 30 3 31 K317 K318 K319 K320 K321 K322 K323 K324 K325 K326 K327 K328 K329 K330 K331 K3 Row 5 Close Command 49 410 4111 412 413 4114 4115 416 417 418 419 4120 4121 4122 4123 AU K409 K410 K411 K412 K413 K414 K415 K416 K417 K418 K419 K420 K421 K422 K423 K4 Row6 Close Command 52 5 3 54 55 56 5I7 58 59 510 5111 512 513 514 515 K501 K502 K503 K504 K505 K506 K507 K508 K509 K510 K511 K512 K513 K514 K515 K5 Col 17 18 Col19 Col20 Col21 Col22 Col23 Col24 CAA 26 Col27 28 0129 Col30 31 Row1 Close Command 1117 118 1119 1120 1121 1122 1123 1124 1 25 1 26 1 27 1 28 1 29 1 1 31 1K K117 K118 K119 K120 K121 K122 K123 K124 K125 K126 K127 K128 K129 K130 K131 K1 Row2 Close Command 29 210 211 212 213 214 215 216 217 218 219 220 221 2122 2123 2 K209 K210 K211 K212 K213 K214 K215 K216 K217 K218 K219 K220 K221 K222 K223 K2 Row3 Close Command 3H 32 35 36 7 3 11 312 313 314 315 3t K301 K302 K303 K304 K305 K306 K307 K308 K309 K310 K311 K312 K313 K3
37. N symbol on an instrument indicates that the user 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 i symbol indicates a connection terminal to the eguipment 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 eguivalent to the original component Note that selected parts should be purchased only through Keithley Instruments to maintain accuracy and functionality of the product
38. ONN RT ANGLE DUAL ROW DIN 6 PIN TERMINAL BLOCK CONN HEADER 14 PINS CONN RT ANGLE HEADER 64 PIN EMR NON LATCHING RELAY RES 20 1 1W THICK FILM RES 1K 1 1W THICK FILM CONN TEST POINT 2 WIRE SERIAL EEPROM 8 BIT INPUT LATCH DRIVE Return to Section 4 topics Keithley part no C 418 1 C 440 10 C 451 47P C 465 47P C 622 470 RF 112 5 1065 2 5 1065 1 5 521 5 5 368 14 5 1201 2 HL 243 R 418 20 R 418 1K CS 1026 1462 857 4 30 Servicing Model 7002 HD MTX1 User s Manual Table 4 7 Model 7002 HD MTX1 mechanical parts list Description Keithley part no Brass Hex ST 166 31 Phillips Flat HD Undercut 4 40X1 4PFHUC Phillips Pan Head 4 40 1 4 Phillips Head Pan Head 2 b6X3 8PPH Nut 2 56NUT Tie Wrap CC 38 2 Insulator 540 5000 316 Top Cover 540 5000 321 Bottom Cover S40 SO00 320A Strain Relief Cover S40 SO00 322A Component layout A component layout for the Model 7002 HD MTX1 is provided in Figure 4 9 Return to Section 4 topics Servicing 4 31 Model 7002 HD MTX1 User s Manual Figure 4 9 Model 7002 HD MTX1 component layout top side E
39. TX1 1 in Card 1 Turn on the Model 7002 HD and program it to close channels 5 33 10 33 and 6 1 This connects Row 1 backplane channels for the Model 7002 HD MTX1 1 and Row 1 Column 1 and backplane chan nels for the 7002 HD MTX1 2 Verify that the resistance of this chan nel is 2 8 Repeat the basic procedure in Step 7 for rows 2 through 6 Return to Section 4 topics 4 10 Servicing Figure 4 2 Matrix backplane rows path resistance testing SLOT 1 SLOT 2 e SLOT 3 e SLOT 4 SLOT 5 MATH OUTPUT RATIO CHAVG CONT OCOMP PERIOD SENSOR o gt TT DELAY DRYCKT LIMITS ON OFF TYPE MONITOR CH OFF CARD EX TRIG TRIG STORE FILTER REL QL POWER PANE SAVE SETUP CONFIG TEST LSYNC GPIB 5 232 s owes sre pemspemE JENA y Ohms Sense LO Ohms LO Model 7002 HD MTX1 User s Manual Ohms Sense HI MODEL 2750 MULTIMETER SWITCH SYSTEM INTEGRA SERIES WWW 2 Uu I Sem HI 350V gt PEAK 4 7 e a gt 500 INP n FRONTREAR al CATI AMPS O 3 Ohms HI Columns ai 25 1 T H TAE e 1 L 1 T E L1L dd T 1 I Hi E L H HL HL 7002 HD MTX1 2 Backplane How Isolation Return to Section 4 topics Model 7002 HD
40. ads 4 5uV for each column Hepeat steps 4 17 for each row input skipping step 6 NOTE Step6is skipped because it is not necessary to wait the additional 2 hours other than the first time the configuration is set up Configuration 2 6 x 64 matrix N Turn off the Model 7002 HD Disable REL on the Model 2182A Add a second Model 7002 HD MTX1 to the test system Connect to a low thermal short between HI and LO of each row input for Model 7002 HD MTX1 1 Connect a low thermal short between HI and LO of each column output for Model 7002 HD MTX1 2 Turn Model 7002 HD on Allow 2 hours for warm up Follow Configuration 1 steps 4 17 skipping Step 6 for each row input to check Card 2 s 192 crosspoints Make sure to close appropriate backplane rows isolation relay for every row when testing Verify that the contact potential is lt 9 Turn off the Model 7002 HD Disable REL on the Model 2182A Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 17 Isolation tests WARNING _ The following steps use high voltage 100V Be sure to remove power from the circuit before making connection changes The isolation tests check the channel to channel leakage resistance isolation between adjacent paths and the channel to chassis isolation A path is defined as the contact from a row to a column that results by closing a particular crosspoint in the matrix or the contact from an inpu
41. agram 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 KEI I HLEY A GREATER MEAS URE 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 Leeuw 02 363 00 40 Fax 02 363 00 64 www keithley nl China Beijing 8610 55010010 Fax 8610 82255010 www keithley com cn Finland Helsinki 09 5306 6560 Fax 09 5306 6565 www keithley com France Saint Aubin 01 64 53 20 20 Fax 01 60 11 77 26 wwwkeithley fr Germany Germering 089 84 93 07 40 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 2
42. be rated for the maximum voltage in the test system For example if 200V is applied to CARD 2 of the Model 7002 HD the Model 7002 HD MTX1 wiring must be rated for 200V WARNING _ Replace and secure the top cover before installing and operat ing the Model 7002 HD MTX1 card Matrix wiring rows input connections Use Figure 2 10 and the following procedure to wire the Model 7002 HD MTX1 matrix rows input Make all connections using correct wire size up to 18 AWG Also make sure to add supplementary insulation around the harness for voltages above 42V peak 1 2 3 6 Make sure all power is discharged from the Model 7002 HD MT X1 Access the screw terminals see Connections and wiring on page 2 8 Using a small flat blade screwdriver loosen terminal screws and install wires as desired Route wire so that it exits around the right angle connector securing with cable tie as shown Fill in a copy of the connection log Table 2 3 page 2 16 and affix it to the Model 7002 HD MTX1 cover Close and lock the cover Matrix wiring column output connections Use Figure 2 10 and the following procedure to wire the Model 7002 HD MTX1 column output 1 2 3 4 Make sure all power is discharged from the Model 7002 HD MTX1 Access the ribbon cable headers see Connections and wiring on page 2 8 Connect 64 conductor ribbon cable to the columns output header Route and secure the cable with cable ties o
43. circuitry Do not connect signals that may exceed the maximum specifications of the Model 7002 HD MTX1 or external wir ing Specifications for the Model 7002 HD MTX1 are pro vided at the end of this manual CAUTION The maximum signal level any channel to any channel is 200V DC or 200V rms 283V peak for AC waveforms 1A switched 60W 125VA maximum Exceeding these signal levels may result in card damage possibly voiding the warranty NOTE Failure of any performance verification test may indicate that the Model 7002 HD MTX1 is contaminated See Handling and clean ing precautions on page 4 2 to clean the Model 7002 HD MTX1 Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 5 The verification procedures are located on the following pages Channel resistance tests on page 4 6 Offset current tests on page 4 11 Contact potential tests on page 4 15 Isolation tests on page 4 17 The performance verification procedures must be performed with only one Model 7002 HD MTX1 the one being checked installed in the Model 7002 HD These conditions do not apply if there are signals present in the backplane of the Model 7002 HD Environmental conditions All verification measurements should be made at an ambient temperature between 18 and 28 and at a relative humidity of less than 50 Recommended equipment Table 4 1 summarizes the equipment necessary for performance verification along
44. ckage includes an instruction manual and any pertinent addenda Return to Section 1 topics 1 4 General Information Model 7002 HD MTX1 User s Manual Repacking for shipment Should it become necessary to return the Model 7002 HD MTX1 for repair care fully pack the unit in its original packing carton or the equivalent and include the following information Call 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 e Write ATTENTION REPAIR DEPARTMENT and the RMA number on the shipping label e Fill out and include the service form located at the back of this manual Mainframe compatibility The Model 7002 HD MTX1 Card is designed for use only in a Model 7002 HD mainframe It cannot be used in either a Model 7001 or 7002 mainframe Recommended cables and connectors The recommended cables and connectors are listed below See Section 2 for con nection details and Section 3 for signal considerations e 6 pin removable screw terminal Ria 31007106 14 female IDC socket 89114 0101 14 conductor jacketed ribbon cable Part 3603 14 64 pin female IDC socket Part 7964 6500EC 64 conductor jacketed ribbon cable Part 3603 64 Return to Section 1 topics 2 Connections and Installation Section 2 topics Handling precautions page 2 2 Matrix page 2 2 Matrix expansion page 2 5
45. colors 2 16 Connector 1 4 2 9 2 10 3 8 Environmental 4 5 Factory 4 28 Features 1 2 Ground loops 3 9 Handling 1 3 2 2 4 2 IEEE 488 bus control 3 7 Inspection for damage 1 3 Instruction manual 1 3 Magnetic fields and RFI 3 9 Mainframe compatibility 1 4 Manual 1 2 Matrix 2 2 Matrix connections 4 6 Matrix connectors 2 11 Measurement 3 8 Ordering information 4 28 Output connectors 1 2 Parts 4 28 Path isolation resistance 3 9 Performance verification 4 4 Programming examples 3 7 Recommended equipment 4 5 Repacking for shipment 1 4 Rows input 4 6 safety 1 2 Shipment contents 1 3 Signal limitations 3 2 Soldering considerations 4 3 Specifications 1 static 4 3 Unpacking and inspection 1 3 Warranty 1 2 Wiring 2 14 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 Intermittent U Analog output follows display Particular range or function bad specify IEEE failure Obvious problem power up 1 Batteries and fuses are OK Front panel operational ranges or functions are bad Checked all cables Display or output check one Drifts Unable to zero Unstable Overload Will not read applied input Calibration only Certificate of calibration required Data required attach any additional sheets as necessary Show a block di
46. connected to chassis ground which is accessible at any metal contact at the rear panel of the Model 7002 HD at all times and connect V Source HI to the row under test Return to Section 4 topics 4 24 Servicing Model 7002 HD MTX1 User s Manual Figure 4 7 Differential isolation testing Notes Setup shown is configured Model 237 to test isolation between Unterminated row 1 column 1 and row 2 Triax Cable columnn 2 WARNING N Source L and Ammeter L ONNEL ONLY o ccn connected internally OUT COMMON ANALOG SOURCE 1802209 250V 2 1 B o 250 MTR COMP IEEE 488 RS232 DIGITAL TRIG LINK OPTION SLOT A KEITHLEY CAUTION FOR CONTINUED PROTECTION AGAIN HAZARD REPLACE FUSE WITH Model 6517A Electrometer Input Source V and Measure Ammeter H Red Column 1 2 3 32 H e Model 7002 HD MTX1 eo L ___ 6 Loo Rows e e Voltage Source H 9 Unterminated i Banana Cable 6 L H L H L H L H L Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 25 Figure 4 8 Common mode isolation testing Model 237 Unterminated Triax Cable Notes Setup shown is configured to test isolation be
47. cted to Row 1 HI and LO LO is connected to chassis ground which is accessible at any metal con tact at the rear panel of the 7002 HD e Install the Model 7002 HD MTX1 in Card 1 of the Model 7002 HD Model 65174 select the 200pA range and enable zero check and zero correct in that order Leave zero correct enabled for the entire procedure Turn on the Model 7002 HD Check row pathway leakage current e Program the Model 7002 HD to close channel 1 1 This step closes 1 Column 1 the Model 6517A disable zero check and verify that it is lt 100pA This measurement is the leakage current of the pathway e the Model 6517A enable zero check and on the Model 7002 HD MTX1 open channel 111 4 Repeat the basic procedure in Configuration 1 Step 3 to check the rest of the pathways Channels 1 2 through 1 32 of the row 5 Check remaining channels e Turn off the Model 7002 HD MTX1 and connect the Model 6517A to Row 2 e Repeat the basic procedure in Configuration 1 Steps 3 and 4 to check row 2 columns 1 32 e Repeat Configuration 1 Steps 3 and 4 for rows 3 6 e Turn off the Model 7002 HD e Disable zero correct on the Model 6517A Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 13 Configuration 2 Differential offset current test 1 Setup for differential offset current check Connect the Model 6517A HI to Row 1 HI and Model 6517A LO to Row 1 LO as shown in
48. enance personnel perform routine procedures on the product to keep it operating properly for example setting the line voltage or replacing 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 tha
49. equence would be used 1 Open channel 111 to remove power from DUT 1 2 Close channels 1 34 to apply power to DUT 2 Adding external sources to the matrix test system To 7002 HD Backplane DUT 1 2 Columns 64 Pin Header 1 2 d 30 31 32 Bows xterna P Source 5 09 06 Gort EE Na 2 penaa 41 m 09 09 09 T 6 14 Pin Header Return to Section 2 topics Model 7002 HD MTX1 User s Manual Connections and Installation 2 5 Matrix expansion Column expansion 6 x 64 Increase the number of columns in a matrix test system by installing another Model 7002 HD MTX1 in the mainframe and connecting the rows from each card through the backplane Adding a second Model 7002 HD MT X1 increases the total number of columns to 64 Figure 2 3 on page 2 6 shows a two matrix system that can test 64 DUTs As shown channels 112 5 33 and 10 33 are closed to connect External Source 1 to DUT 2 Column expansion 6 x 128 Figure 2 4 on page 2 7 shows a two mainframe two matrix system that can test 128 DUTs The matrix diagram would be similar to Figure 2 3 Channels 112 5 33 and 10 33 are closed to connect External Source 1 to DUT 2 This matrix has been expanded through a 14 pin female IDC socket matrix expansion cable Return to
50. est leads of the Model 2750 to the input test terminal of Row 2 LO Install the Model 7002 HD MT X1 in Card 1 of the Model 7002 HD Turn on the Model 7002 HD and program it to close channels 1 33 Row 2 Column 1 LO Verify that the resistance of this channel is 1 Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 9 6 Check resistance for rows 2 6 LO Repeat the basic procedure in step 5 for Rows 3 through 6 Turn off the Model 7002 HD and remove the jumpers of Columns 1 through 32 on the Model 7002 HD MTX1 7 Check rows input to columns output terminal resistance Connect the INPUT LO and SENSE LO test leads of the Model 2750 to the rows input terminal of Row 1 HI of the Model 7002 HD MTX1 1 as shown in Figure 4 2 Connect INPUT HI and SENSE HI to the columns output terminal of Column 1 HI of the Model 7002 HD MTX1 2 Install the Model 7002 HD MTX1 1 in Card 1 and the Model 7002 HD MTX1 22 in Card 2 of the Model 7002 HD Turn on the Model 7002 HD and program it to close channels 5 33 10 33 and 6 1 This connects Row 1 backplane channels for the Model 7002 HD MTX1 1 and Row 1 Column 1 and backplane chan nels for the 7002 HD MTX1 2 Verify that the resistance of this chan nel is 2 Turn off the Model 7002 HD remove the card and connect the INPUT LO and SENSE LO test leads of the Model 2750 to the rows input t erminal of Row 1 LO of the Model 7002 HD MTX1 1 Install the Model 7002 HD M
51. ination from such foreign materials as body oils Such contamination can reduce isolation resistance To avoid possible contamination always grasp the card by the side edges or covers Do not touch board surfaces components or connector insulators Dirt build up over a period of time is another possible source of contamination To avoid this problem operate the card in a clean environment If the card becomes contaminated it should be thoroughly cleaned as explained in Section 4 Figure 2 1 shows a simplified diagram of the Model 7002 HD MTX1 6 x 32 matrix The matrix consists of 192 crosspoints Each crosspoint channel is a double pole switch that when closed connects a row to a column As shown in Figure 2 1 closing channel 5 3 connects Row 6 to Column 3 Return to Section 2 topics Model 7002 HD MTX1 User s Manual Connections and Installation 2 3 The Model 7002 HD mainframe has an internal card expansion backplane The Model 7002 HD MTX1 has six switches channels 5 33 through 5 38 used to con nect Rows 1 through 6 to the backplane of the Model 7002 HD When these switches channels 5 33 through 5 38 are closed Rows 1 through 6 are con nected to the backplane Devices Under Test DUTs are typically connected to the matrix columns Using 2 wire connections up to 32 DUTs can be tested For 4 wire connections up to 16 DUTs can be tested Figure 2 1 Simplified schematic Model 7002 HD MTX1 matrix switching Columns pese
52. injury or death Always read the associated information very carefully before performing the indicated procedure The CAUTION heading used in this manual explains hazards that could damage the multiplexer card Such damage may invalidate the warranty Specifications Model 7002 HD MTX1 specifications are located in at the end of this manual Unpacking and inspection Inspection for damage The Model 7002 HD MTX1 is packaged in a re sealable anti static bag to protect it from damage due to static discharge and from contamination that could degrade its performance Before removing the card from the bag observe the following handling precautions Handling precautions e Always grasp the card by the side edges and covers Do not touch the board surfaces or components e After removing the card from its anti static bag inspect it for any obvious signs of physical damage Report any damage to the shipping agent immediately e When the card is not installed in a switching mainframe keep the card in its anti static bag and store it in the original packing carton Shipment contents The following items are included with every order e Model 7002 HD MTX1 Differential 6 x 32 Matrix Card e Model 7002 HD MTX1 User s Manual PDF on CD ROM e Additional accessories as ordered Instruction manual If an additional Model 7002 HD MTX1 User s Manual is required order the man ual package Keithley part number 7002HDMTX1 900 00 The manual pa
53. ke sure the voltage source OPERATE is not enabled 10 Place the Model 6517A in the R measurement function 11 Turn on the Model 7002 HD and program it to close channels 1 1 and 1 34 refer to path isolation test Table 4 2 on page 4 20 12 Model 6517A disable zero check and press OPERATE to source 100V Return to Section 4 topics 4 18 Servicing 13 14 15 16 17 18 19 20 21 Model 7002 HD MTX1 User s Manual After allowing the reading on the Model 6517A to settle verify that it is gt 1GQ This measurement is the leakage resistance isolation between Row 1 Column 1 and Row 2 Column 2 Turn the Model 6517A 100V source off and enable zero check Program the Model 7002 HD to open channels 1 1 and 1 34 Program the Model 7002 HD to close channels in test number 2 Refer to path isolation test in Table 4 2 on page 4 20 On the Model 65174 disable zero check and press OPERATE to source 100 After allowing the reading on the Model 6517 to settle verify that it is gt 1 0 Turn the Model 6517 100 source off and enable zero check Program the Model 7002 HD to open channels in test number 2 Continue to verify 1G isolation for each test number Return to Section 4 topics Model 7002 HD MTX1 User s Manual Figure 4 6 Channel to channel isolation testing Notes Model 237 Unterminated Triax Cable WARNING NO INTERNAL OPER mm COMMON e 250V PEAK
54. lly designed to prevent or dissipate static build up Typically these devices will be received in anti static containers made of plastic or foam e Keep these parts in their original containers until ready for installation or use Remove the devices from their protective containers only at a properly grounded workstation Also ground yourself with an appropriate wrist strap while working with these devices e Handle the devices only by the body do not touch the pins or terminals e Any printed circuit board into which the device is to be inserted must first be grounded to the bench or table Use only anti static type de soldering tools and grounded tip soldering irons Return to Section 4 topics 4 4 Servicing Model 7002 HD MTX1 User s Manual Performance verification The following paragraphs discuss performance verification procedures for the Model 7002 HD MTX1 including path resistance offset current contact potential and path isolation WARNING The following information is intended for qualified service per sonnel Do not perform these tests unless you are qualified to do so To prevent electric shock that could result in serious injury or death adhere to following safety precautions Before removing or installing a Model 7002 HD MTX1 in the mainframe make sure the mainframe is turned off and dis connected from line power Before making or breaking connections make sure power is removed from all external
55. minal Un Matrix terminal amp Col 1 HI Col 1 LO Col 2 HI Col 2 LO Col 3 HI Col 3 LO Col 4 HI Col 4 LO Col 5 HI Col 5 LO Col 6 HI Col 6 LO Col 7 HI Col 7 LO Col 8 HI Col 8 LO Col 9 HI Col 9 LO Col 10 HI Col 10 LO Col 11 HI Col 11 LO Col 12 HI Col 12 LO Col 13 HI Col 13 LO Col 14 HI Col 14 LO Col 15 HI Col 15 LO Col 16 HI Col 16 LO Col 17 HI Col 17 LO Col 18 HI Col 18 LO Col 19 HI Col 19 LO Col 20 HI Col 20 LO Col 21 HI Row 3 LO J110 Row 3 HI Row 2 LO Row 2 HI Row 1 LO Row 1 HI Col 21 LO Col 22 HI Matrix terminal Conn Col 22 LO Col 23 HI Col 23 LO Col 24 HI Col 24 LO Col 25 HI Col 25 LO Col 26 HI Col 26 LO Col 27 HI Col 27 LO Col 28 HI Col 28 LO Col 29 HI Row 4 HI J111 Row 4LO Row 5 HI Row 5 LO Row 6 HI How 6 LO Row connections 14 pin header Col 29 LO Col 30 HI Matrix terminal Conn 30 LO Col 31 HI Col 31 LO Col 32 HI Col 32 LO Return to Section 2 topics Row 1 HI J112 How 1 LO Row 2 HI How 2 LO Row 3 HI How 3 LO Row 4 HI How 4 LO Row 5 HI How 5 LO Row 6 HI How 6 LO 2 14 Connections and Installation Model 7002 HD MTX1 User s Manual Wiring WARNING When using IDC ribbon cable connections DO NOT exceed 42V anywhere in the test system For voltages above 42V peak add supplementary insulation around the cable harness shown on the 14 pin and 64 pin ribbon cable in Figure 2 10 WARNING All wiring must
56. n 30V RMS 42 4V peak or 60VDC are present good safety practice is to expect that hazardous voltage is present in any unknown circuit 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 1s 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 a
57. nsiderations page 4 3 Special handling of static sensitive devices page 4 3 Performance verification page 4 4 Environmental conditions page 4 5 Hecommended equipment page 4 5 Matrix connections page 4 6 Channel resistance tests page 4 6 Offset current tests page 4 11 Contact potential tests page 4 15 Isolation tests page 4 17 Replaceable parts page 4 28 Parts list page 4 28 Ordering information page 4 28 Factory service page 4 28 Component layout page 4 30 4 2 Servicing Model 7002 HD MTX1 User s Manual Introduction This section contains information necessary to service the Model 7002 HD MT X1 and includes information on handling and cleaning performance verification as well as principles of operation and troubleshooting WARNING The information in this section is intended only for qualified service personnel Some of the procedures may expose you to hazardous voltages that could result in personal injury or death Do not attempt to perform these procedures unless you are qualified to do so Handling and cleaning precautions Because of the high impedance areas on the Model 7002 HD MT X1 care should be taken when handling or servicing the card to prevent possible contamination The following precautions should be observed when servicing the card Handling precautions Observe the following precautions when handling the multiplexer card Handle the card only by the edges and shields Do not touch connect
58. ny other instruments while power is applied to the circuit under test ALWAYS remove power from the entire test system and discharge any capacitors 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 AI 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 If a screw is present connect it to safety earth ground using the wire recommended in the user documentation The
59. ommon terminal It is recommended that the physical connections be made at Columns 1 and 32 as shown in Figure 4 1 3 Check resistance for Row 1 HI Connect INPUT LO and SENSE LO to the Rows Input terminal of Row 1 HI Install the Model 7002 HD MTX1 in Card 1 of the Model 7002 HD Turn on the Model 7002 HD and program it to close channels 1 1 Row 1 Column 1 Hl Verify that the resistance of this channel is lt 10 Open channel 1 1 and close 1 2 Verify that the resistance of this chan nel is 1 Open channel 1 2 and close 1 3 Verify that the resistance of this chan nel is 1 Repeat the basic procedure of opening and closing channels to check the resistance of Row 1 terminal paths for Columns 4 through 32 chan nels 1 4 through 1 32 4 Check resistance for Rows 2 6 HI Turn off the Model 7002 HD and connect the INPUT LO and SENSE LO test leads of the Model 2750 to the terminal of Row 2 Repeat step 3 to check channel paths of Rows 2 6 Refer to 7002 HD MTX1 Channel Relay Map Table 3 1 on page 3 3 5 Check resistance for Row 1 LO Turn off the Model 7002 HD and connect the INPUT LO and SENSE LO test leads of the Model 2750 to the LO Row 1 terminal Install the Model 7002 HD MTX1 in Card 1 of the Model 7002 HD Turn on the Model 7002 HD and program it to close channels 1 1 Row 1 Column 1 LO Verify that the resistance of this channel is 1 Turn off the Model 7002 HD and connect the INPUT LO and SENSE LO t
60. onnector of the matrix is provided in Table 2 2 on page 2 13 Channel resistance tests Referring to Figure 4 1 perform the following steps to verify that each contact of every relay is closing properly and that channel resistance is within specification Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 7 Figure 4 1 Matrix path resistance testing h MODEL 2750 MULTIMETER SWITCH SYSTEM 00000000 2 INTEGRA SERIES gt gt l C5 c SAVE SETUP CONFIG TEST 15 GPIB 5 232 RANGE 270 Y Ohms Sense LO Ohms LO Ohms Jumpers Ohms Sense HI MEME Coumns of fe ll LL e TT 1 H L H L H L H L H L H L H L H L Return to Section 4 topics 4 8 Servicing Model 7002 HD MTX1 User s Manual 1 Remove power from Model 7002 HD 2 Setup for resistance tests As shown in Figure 4 1 connect all terminals of matrix Columns 1 through 32 together to form one common terminal Check that FRONT REAR switch of the Model 2750 is set to FRONT Set the Model 2750 to the 4 Wire 100 range and connect four test leads to the INPUT and SENSE input Short the four test leads together and REL the Model 2750 Leave REL enabled for the entire test Connect INPUT HI and SENSE HI of the Model 2750 to the c
61. or insulators Do not touch any board surfaces or components not associated with the repair Do not touch areas adjacent to electrical contacts When servicing the card wear clean cotton gloves Do not store or operate the card in an environment where dust could settle on the circuit board Use dry nitrogen gas to clean dust off of the board if necessary Return to Section 4 topics Model 7002 HD MTX1 User s Manual Servicing 4 3 Soldering considerations Should it become necessary to use solder on the circuit board observe the follow ing precautions e Use an OA based organic activated flux and take care not to spread the flux to other areas of the circuit board Remove the flux from the work areas when the repair has been completed Use pure water along with clean cotton swabs or a clean soft brush to remove the flux e Once the flux has been removed swab only the repaired area with metha nol and then blow dry the board with dry nitrogen gas e After cleaning allow the card to dry in a 50 C low humidity environment for several hours before use Special handling of static sensitive devices CMOS and other high impedance devices are subject to possible static discharge damage because of the high impedance levels involved When handling such devices observe the following precautions e prevent damage assume all parts are static sensitive e Such devices should be transported and handled only in containers specia
62. pF Between any gt 10 Q gt 10 Q terminal and earth lt 500 lt 700pF CROSSTALK 1MHz 500 Load MB TB INSERTION LOSS lt 0 35dB below 1MHz lt 0 7dB below 1MHz 500 Source 500 lt 3dB below 2MHz lt 3dB below 1 5MHz Load 1 2 2 lt OY 7002 0 00 X Backplane 1 1 LOS Matrix Crosspoint Detail ENVIRONMENTAL OPERATING ENVIRONMENT Specified for 0 C to 50 C Specified to 50 RH at 35 STORAGE ENVIRONMENT 25 C to 65 C WEIGHT lt 2 1kg 4 615 ALTITUDE Maximum 2000m above sea level RECOMMENDED CONNECTOR CABLE 6 pin removable screw terminal RIA Part 31007106 14 pin female IDC socket 3M Part 89114 0101 14 conductor jacketed ribbon cable 3M Part 3603 14 64 pin female IDC socket 7964 6500EC 64 conductor jacketed ribbon cable 3603 64 7002 0 1 Notes Refer to User s Guide for measurement considerations For indoor use only 3 Two cards installed in mainframe using analog backplane for expansion At end of life add an additional 1Q for a single card and 2Q for two cards Includes end of life Removable Terminals HW Page 1 of 1 11 2 2004 Index Backplane 3 4 Cables 1 4 2 9 3 8 Card configuration 2 8 Card installation and removal 2 18 Channel assignments 3 2 Channel mapping 3 2 Column expansion 2 5 Column output 4 6 Component layout 4 30 Connection
63. r using the lock arms on the J113 header 64 pin ribbon cable as shown Return to Section 2 topics Model 7002 HD MTX1 User s Manual Connections and Installation 2 15 5 Fill in a copy of the connection log Table 2 3 on page 2 16 and affix it to the Model 7002 HD MT X1 cover 6 Close and lock the cover Figure 2 10 Wire dressing 14 Pin Female 64 Pin Female IDC cable IDC cable e un m t H 1249 Do Moj 9 K404 929 13 lle e e NH Lp 45 IO Bice Ne m e 6 e no Sy T 625 92 se em CH e Ne e ES gt ee m 170 EN co m 95 e iN X e Hise o o o WARNING REPLACE COVER BEFORE OPERATING COLUMNS NNE CA VM 5 Latch eject arms 1 of 2
64. sing the appropriate backplane relays on each card In this case a Model 7002 HD MUX1 Quad 1 x 40 Multiplexer Card is used with a Model 7002 HD MTX1 The backplane signals are not externally accessible to the end user All pins not specified are unused Return to Section 3 topics Model 7002 HD MTX1 User s Manual Table 3 3 Backplane connections between 7002 HD MUX1 and 7002 HD MTX1 cards J107 pin number 11 7002 HD MUX1 card use EL 4 Out Mux 3 Out Mux 2 Out Mux 1 Out None None Mux 4 Out Mux 3 Out Mux 2 Out Mux 1 Out rity N A N A HI HI HI HI How 6 Row 5 4 How 3 How 2 Row 1 How 6 Row 5 How 4 How 3 How 2 Row 1 Return to Section 3 topics Operation 7002 HD MTX1 card use HI 3 5 3 6 Operation Model 7002 HD MTX1 User s Manual Closing and opening channels Channel control considerations Refer to Table 3 1 on page 3 3 and Table 3 2 on page 3 4 for a detailed channel map of the Model 7002 HD MTX1 The Model 7002 HD contains a total of 10 slots for relay control Card 1 position of the Model 7002 HD contains slots 1 through 5 and Card 2 contains slots 6 through 10 Card 1 When a Model 7002 HD MTX1 is used in the Card 1 position of the Model 7002 HD the matrix will be controlled using slots 1 through 5 Card 2 When a Model 7002 HD MTX1 is used in the Card 2 position of the Model 7002 HD the matrix will be controlled using slots 6 thro
65. sure to include the following information e Card model number Model 7002 HD MTX1 e Card serial number e description Component designation if applicable e Keithley part number Factory service If the Model 7002 HD MTX1 is to be returned to Keithley Instruments for repair perform the following Call the Repair Department at 1 888 KEITHLEY for a Return Material Authorization RMA number Complete the service form at the back of this manual and include it with the Model 7002 HD MTX1 e Carefully pack the Model 7002 HD MTX1 in the original packing carton Write ATTENTION REPAIR DEPARTMENT and the RMA number the shipping label Return to Section 4 topics Servicing 4 29 Model 7002 HD MTX1 User s Manual Table 4 6 Model 7002 HD MTX1 electronic parts list C100 C102 C114 C120 C123 C140 C154 C173 C196 C203 C207 C212 C101 C199 C202 C208 C211 C108 C110 C111 C113 C121 C141 C153 C155 C156 C158 C160 C162 C164 C165 C168 C170 C172 C103 C213 CR101 CR140 CR201 CR240 CR301 CR340 CR401 CR440 CR501 CR538 J100 J107 J110 J111 J112 J113 K101 K140 K201 K240 K301 K340 K401 K440 K501 K538 R101 R140 R201 R240 R301 R340 R401 R440 R501 R538 R150 R174 TP100 TP103 TP105 U100 U126 U129 U101 U125 CAP 1U 20 50V CERAMIC CAP 10U 20 25V TANTALUM CAP 47P 10 100V CERAMIC CAP 47P 5 100V CERAMIC CAP 470U 20 25V ALUM ELEC SWITCHING DIODE CONN RT ANGLE TRIPLE ROW DIN C
66. t to an output by closing a particular inde pendent channel In general the test is performed by applying a voltage 100V across two adjacent paths and then measuring the leakage current across the paths The isolation resistance is then calculated as R V I In the following pro cedure the Model 6517A functions as both a voltage source and an ammeter In the R function the Model 65174 internally calculates the resistance from the known voltage and current levels and displays the resistance value 6 x 32 channel to channel isolation test 1 Remove power from Model 7002 HD 2 Connect HI and LO of each row 3 Connect the Model 6517A to the terminals for Rows 1 and 2 as shown in Figure 4 6 on page 4 19 Make sure the voltage source OPERATE is disabled Also make sure there are no other connections to the Model 7002 HD MTX1 4 Install the Model 7002 HD MTX1 in Card 1 of the Model 7002 HD 5 the Model 6517A enable the V source LO and ammeter input LO inter nal connection METER CONNECT in the CONFIGURE V SOURCE menu 6 the Model 6517A select the 2pA range and enable zero check and zero correct in that order Leave zero correct enabled for the entire proce dure 7 On the Model 6517A select the 20pA range and release zero check 8 the Model 6517A press REL to cancel offset current and then enable zero check 9 the Model 6517A set the voltage source for 100V and select the 200nA current range Ma
67. tem pp 3 7 Adding an external source to a 64 column system 3 8 Servicing Verification equipment 4 5 x 32 channel to channel isolation configuration 4 20 6 x 64 channel to channel isolation configuration 4 22 6 x 32 differential or common mode terminal to earth isolation 4 26 64 differential or common mode terminal to earth isolation 4 27 Model 7002 HD MTX 1 electronic parts list 4 29 Model 7002 HD MTX1 mechanical parts list sees 4 30 1 General Information Section 1 topics Introduction page 1 2 Features page 1 2 Warranty information page 1 2 Manual addenda page 1 2 Safety symbols and terms page 1 2 Specifications page 1 3 Unpacking and inspection page 1 3 Inspection for damage page 1 3 Handling precautions page 1 3 Shipment contents page 1 3 Instruction manual page 1 3 Repacking for shipment page 1 4 Mainframe compatibility page 1 4 Recommended cables and connectors page 1 4 1 2 General Information Model 7002 HD MTX1 User s Manual Introduction This section contains general information about the Model 7002 HD MTX1 Differential 6 x 32 Matrix Card The Model 7002 HD MT X1 is equipped a 6 x 32 matrix Features Key features include e Differential matrix switching configured with 6 rows by 32 columns Card be expanded for 6 x 64 matrix switching using a second card
68. tween PEE m row 1 column 1 and chassis 1 9 7 SELECTED LI MADE D 2 ee JJ VOLTAGE USA PREAMP OUT COMMON 2v ANALOG V SOURCE on 20250 G O d S e O ed round IS removed 250V PEAK LINE FUSE SLOWBLOW Ez 50VA M 1 2A 90 125V Eee AC ONLY 1 4A 180 25 TEMP TYPEK ext Talc MTR COMP V source L and Ammeter L 4 connected internally OPTION SLOT WN dym CAUTION oi 4 Model 6517A Electrometer Input Source V and Measure Ammeter Jumpers 1 of 6 Columns 1 2 3 32 i __ L __ eee Unterminated Lo Banana Cable i Hows i e e e e e e i e e e 1 1 i H L H L H L Model 7002 HD MTX1 Note Chassis Ground is accessible at 7002 HD rear panel Return to Section 4 topics 4 26 Servicing Model 7002 HD MTX1 User s Manual Table 4 4 6 x 32 differential or common mode terminal to earth isolation Test Card 1 closed Card 2 closed none 111 112 113 114 115 116 117 118 119 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 111 1133 111 2125 111 347 111 419 1H 5 1 N OF WN Return to Section 4 topics Table 4 5 Model 7002 HD MTX1 User s Manual Servicing 4 27
69. ugh 10 When using the tables add five to the slot number programming For example Row 1 Column 1 would be addressed as 6 1 Front panel control To close a Model 7002 HD MTX1 channel key in the CHANNEL assignment from the tables on the preceding pages and then press the Model 7002 HD CLOSE key For example to close Row 1 Column10 of Card 1 key in the following channel list and press CLOSE SELECT CHANNELS 1 10 To open a closed channel press OPEN or OPEN ALL You can also simultaneously close more than one channel at a time by including the desired channels in the channel list For example to close Card 1 Row 1 Column 1 and Card 1 Row 3 Column 25 enter the following channel list SELECT CHANNELS 1 1 3 9 Channels are separated by a comma which can be inserted by pressing either the ENTER or right cursor key Again you can open closed channels with the OPEN or OPEN ALL key OPEN opens only channels in the channel list and OPEN ALL opens all channels Return to Section 3 topics Model 7002 HD MTX1 User s Manual Operation 3 7 WARNING Multiple channel operation should only be performed by expe rienced test engineers who recognize the dangers associated with multiple channel closures CAUTION When closing multiple channels it is possible to connect incompatible test equipment and or DUTs causing high cur rents to flow This situation can cause serious damage to test equipment and DUTs IEEE 488 bus control Use
70. with an application for each unit Table 4 1 Verification equipment Keithley Description Model Specifications Applications DMM 1000 0 01 Path resistance Electrometer with 20pA 196 Offset current isolation voltage source 20nA 200nA 0 296 100V source 0 15 Sensitive DMM 10mV 0 00696 Contact potential Triax cable NA Offset current isolation Low thermal NA Contact potential cable Return to Section 4 topics 4 6 _ Servicing Model 7002 HD MTX1 User s Manual Matrix connections The following information summarizes methods that can be used to connect test instrumentation to the matrix Detailed connection information is provided in Connections and wiring on page 2 8 CAUTION Contamination will degrade the performance of the Model 7002 HD MTX1 To avoid contamination always grasp the Model 7002 HD MTX1 by the side edges Do not touch the con nectors and do not touch the board surfaces or components On plugs and receptacles do no touch areas adjacent to the electrical contacts Rows input Instrumentation can be hard wired directly to the Rows Input screw terminals of the matrix Keep jumper wires as short as possible Column output One method for making instrument connections to the matrix is by taking an IDC 64 pin ribbon cable socket connector and mating it to the column output connector of the matrix Column shorting connections can also be done at the connector Pin identification for the columns output c
71. www keithley com Model 7002 HD MTX1 Differential 6 x 32 Matrix Card User s Manual 7002HDMTX1 900 01 Rev A November 2004 KEI I HLEY A GREATER MEAS URE O F CONFIDENCE WARRANIY 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

Model 7002-HD-MTX1 Differential 6 × 32 Matrix Card User`s Manual

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Model 7002-HD-MTX1 Differential 6 × 32 Matrix Card User`s Manual