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Содержание 7169

Страница 1: ...Model 7169 General PurposeScannerCard Instruction Manual Contains Operating and Servicing Information...

Страница 2: ...WARRANTY LIMITATION OF WARRANTY STATEMENT OF CALIBRATION...

Страница 3: ...Model 7169 General Purpose Scanner Card Instruction Manual 01989 Keithley Instruments Inc All rights reserved Cteveland Ohio U S A First Printing July 1989 Document Number 716Y 901 01 Rev A...

Страница 4: ...All Keithley product names are trademarks or registered trade marks of Keithley Instruments Inc Other brand and product names are trademarks or registered trademarks of their respective holders...

Страница 5: ...pect that hazardous voltage is present in any unknown circuit before measuring Do not exceed500V peak between any two pins or between any pin and earth ground Inspect the connecting cables and test le...

Страница 6: ...elay typical MAXIMUM SIGNAL LEVEL 500V peak 0 5A rms switched 1A rms carry 1OW resistive load only CONTACT LIFE 108 closures cold switching 107 closures at maximum signal levels CONTACT RESISTANCE 2Q...

Страница 7: ...2 l 3 l 3 l 3 l 3 2 1 INTRODUCTION 2 l 2 2 HANDLING PRECAUTIONS 2 l 2 3 EQUIVALENT CIRCUIT 2 2 2 4 MLKTI CARD CONFIGURATIONS 2 2 2 5 CONNECTIONS _ _ _ __ __ 2 6 2 5 1 Connections Using Model 7169 KIT...

Страница 8: ...3 PERFORMANCE RIFICATION 4 2 4 3 1 Environmental Conditions 4 2 4 3 2 Recommended Equipment 4 2 4 3 3 Connector Preparation 4 2 4 3 4 Channel Isolation Tests 4 3 4 3 5 Input Isolation Tests 4 8 4 3 6...

Страница 9: ...nector Pin Identification Terminal Crimp Side Shown Model 7169 MTC 10 Card Installation in Model 705 Card Installation in Model 706 Limiting Capacitive Reaction Current Limiting Inductive Reaction Vol...

Страница 10: ...Pin Identification 2 8 Model 7169 MTC Conductor Identification 2 11 Scanner Control of Model 7169 Matrix Mode O Pole 2 16 Model 705 Channel Assignments in O Pole Mode t 2 18 SECTION 4 Service Informa...

Страница 11: ...er of this instruc tion manual Should your Model 7169 require warranty service contact the Keithley representative or authorized repair facility in your area for further information When returning the...

Страница 12: ...at nxight result in personal injury or death Always read the associated in formation very carefully before performing the indicated procedure The CAUTION heading used in this manual explains hazards t...

Страница 13: ...tion Manual Additional accessories as ordered 1 6 3 Instruction Manual If an additional instruction manual is required order the manual pack age Keithleypart utnber7169 901 00 Themanualpackageincludes...

Страница 14: ...at allows connection between the 7169 and the supplied mating connec tors 7169 KIT Model 7169 KIT The Model 7169XIT mates to the scanner card con nectors Model 7169 MTR The Model 7169 MTR is a bulkhea...

Страница 15: ...ing multiple cards common OUTPUT and separate OUTPUTS 2 5 Connections Explains the various methods and techniques that can be used to make connections to the xanner card 2 6 Card Installation and Remo...

Страница 16: ...If the card should become contaminated it should be thoroughly cleaned as explained in paragraph 4 2 2 3 EQUIVALENT CIRCUIT Figure 2 l shows the equivalent circuit of the Model 7169 Each channel is a...

Страница 17: ...together This common output system allows a single piece of equipment to operate all 60 channels Another possible way to configure a multi channel system is with sepa rate outputs Figure 2 3 shows a...

Страница 18: ...SECTION 2 Opemtion Ch 40 Ch 41 Ch 60 CXd 2 c 0 NC 0 Cd 3 C NC I I Figure 2 2 Multi Card Configuration 2 4...

Страница 19: ...SECTION 2 Opemiotr Ch 21 Card CL 2 c NC o tp t2 NO Ch40 Figure 2 3 Sepnrate Outputs Configurntion 2 5...

Страница 20: ...nected to pin B of J103 I l PC Board wre 2 4 Connectors on Scanner Card Pin Side Shown The connector on the scanner card will mate to either a connector Model 7169 KIT or to an optional mass terminate...

Страница 21: ...ector The terminals of this connector will accommodate up to l8 AWG wire Figure 2 5 shows the pinout of the male connector for all three terminals blocks Table 2 1 can be used to identify scanner card...

Страница 22: ...ation Matrix mnel Location Contact Connector Pin 1 Ll C J102 A J103 A J103 B 2 12 J102 NC J103 NO J103 D 3 1 3 C J102 C NC J103 E NO J103 4 I 4 C 1102 J103 H J103 J 5 2J C J102 NC 1103 NO J103 L 6 22...

Страница 23: ...n Matrix Location Contact Connector Pin 411 C JlOZ P NC JlOl NO JlOl 42 C J102 NC JlOl NO JlOl J 4 3 C J102 NC JlOl i NO JlOl L 4 4 C JlO2 NC JlOl NO JlOl N 5 l J102 LJ JlOl I NO JlOl 52 C JlO2 NC JlO...

Страница 24: ...tor that is used on the panel of the Model 7169 Its pins will accommodate up to 18 AWG wire Another way to use the cable is to remove one of the connectors by cut ting the cable In this ration the opp...

Страница 25: ...or A B C 3 D 4 E 5 F 6 H 7 J 8 K 9 L 10 M 11 N 12 P 13 R 14 S 15 17 16 V 18 W 19 X 20 Color Black White Red GW31 Ora ge Blue White Black Red Black Green Black Orange Black Blue Black Black White Red W...

Страница 26: ...n how to install and remove the Model 7169 scanner card with the Models 705 and 706 scanner mainframes WARNING To prevent electrical shock which could result in injury or death turn off the scanner po...

Страница 27: ...e sure the card edges of the board are properly aligned with the grooves in the receptacle 2 Once the card is almost all the way in the slot and you encounter resistance push firmly on the edge of the...

Страница 28: ...e 2 7 MAINFRAME CONTROL OF SCANNER CARD Detailed information to program the Model 705 or 706 scanners is con tained in their respective instruction manuals The following para graphs provide the inform...

Страница 29: ...lot Card 2 of a Model 705 the 20 scanner card channels are assigned channel numbers 21 through 40 Table 2 3 lists the matrix mode crosspoints that must be closed in order to close the channels of a sc...

Страница 30: ...anner Control of Model 7169 Matrix Mode O Pole ARD Scannc r Relay Ch Na Controlled 01 l 01 2 01 3 01 4 1 2 3 4 02 l 02 2 02 3 02 4 5 6 s 03 l 9 33 2 10 33 3 11 D3 4 12 34 l 13 14 2 14 J4 3 15 J4 4 16...

Страница 31: ...pemiotr Scanner Control of Model 7169 Matrix Mode O Pole Cont ARD2 01 l 21 01 2 22 01 3 23 01 4 24 02 l 02 2 02 3 02 4 03 l 03 2 03 3 03 4 04 l 04 2 04 3 04 4 25 26 i 29 30 31 32 33 34 35 36 05 l 37 e...

Страница 32: ...3 Slave 4 1 01 20 41 60 81 100 121 140 161 180 2 21 40 61 80 101 120 141 160 181 200 The Model 706 has 10 card slots Thus using one Model 706 200 chan nels could be configured With the maximum of five...

Страница 33: ...relays and circuit board Figure 2 9 shows typical cir cuits to limit current surges Also consider the maximum load of 1OW for the Model 7169 when determining the current limit For example when switch...

Страница 34: ...shown in Figure 2 10 Also consider the maxi mum load of 1OW for the Model 7169 when determining the voltage limit For example when switching 200mA with the Model 7169 the voltage must be limited to V...

Страница 35: ...SECTION 2 Operntim Figure 2 10 Limiting Inductive Renction Voltage 2 21...

Страница 36: ...lation resistance testing often call for soaking and testing at a different high voltage levels Figure 3 l shows pairs of two relays configured for different soak and test voltage sources as well as p...

Страница 37: ...180 conductors dr pins may be tested using the Model 7169 in a Model 706 mainframe scanner Closing a given chnnnel will measure the insulation resistance from all other channels to that channel Soak...

Страница 38: ...SECTION3 A pliCl7tiOllS Figure 3 2 Cabling Insdntion Testing 3 3...

Страница 39: ...uld be taken when handling and cleaning the scanner card 1 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 the ca...

Страница 40: ...scan nercard To avoid contamination always grasp the card by the de edges Do not touch the board surfaces or compo nents NOTE Failure of any performance verification test may indicate that the scanne...

Страница 41: ...Tests These tests check the resistance isolation between two channels In general the test is performed by applying a voltage lOOV across two channels and then measuring the leakage current The isolat...

Страница 42: ...OOV and select the 200nA current range Make sure the voltage source is still in standby 4 Place the Model 617 in the V I measurement function by pressing SHIFT OHMS 5 OntheMode1617 disablezerocheckand...

Страница 43: ...CHI A CH2 Equivalent Circuit NOTE Setup shown is configuredlo test isolalion between channels 1 and2...

Страница 44: ...C NC NO C i C NC NO C it C C NC NO C NC NO connectoi J102 J103 1103 JlO2 J103 J103 JlOZ J103 J103 J102 J103 J103 J102 1103 J103 JlOZ J103 J103 JlOZ J103 1103 JlO2 J103 J103 J102 J103 J103 J102 J103 J...

Страница 45: ...hannel 13 14 15 16 17 18 19 20 contact C NC NO C NC NO C ii C NC NO C NC NO I NO C NC NO C NC NO C J102 JlOl JlOl J102 JlOl JlOl J102 JlOl JlOl JlO2 JlOl JlOl J102 JlOl JlOl JlO2 JlOl JlOl J102 JlOl J...

Страница 46: ...move power from the circuit before making connection changes 1 2 3 4 5 6 7 8 9 Using Table 4 2 to identify scanner card terminals connect the Model 617 to the scanner card as shown in Figure 4 2 On t...

Страница 47: ...7169 cb A V SOUIW EquivalentCircuit 4 9...

Страница 48: ...p leads together and zero the Model 196 Leave zero enabled for the entire test Using Table 4 2 to identify scanner card terminals connect the Model 196 to the scanner card With the scanner in the step...

Страница 49: ...SECTION 4 Service Irlfornrafion 7169 7169 1 Equivalent Circuit 4 11...

Страница 50: ...cellaneous parts 5 3 ORDERING INFORMATION To place a parts order or to obtain information concerning replacement parts contact your Keithley representative or the factory see the inside front cover fo...

Страница 51: ...d 2 Carefully pack the card in the original packing carton 3 Write ATTENTIONREPAIRDEPARTMENTon theshippinglabel NOTE Do not return the scanner mainframe with the card 5 5 COMPONENT LAYOUT AND SCHEMATI...

Страница 52: ...0 25V ALUM ELEC CAP lOuF 20 100 25V ALUM ELEC BEAD FERRITE RELAY SPDT RES 40 2K l 1 8W METAL FILM RES NET 4 lK 2 1 5W IC BUF LINE DRIVER RECEIVER MC74HC241N IC OCTAL TRI STATE BUFFER MM74HC240 IC DUAL...

Страница 53: ...TABLE 5 2 MODEL 7169 MISCELLANEOUS PARTS LIST KEITHLEY QTY DESCRIPTION PART NO 1 BACK PANEL 7169 301 2 HANDLE FA I 19 1 HANDLING LABEL MC 348 2 RIVET FA 121...

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