Agilent Technologies E1343A Manuel de service

Agilent 75000 Series BAgilent E1343A, E1344A, E1345A, E1347A,E1355A and E1356ARelay MultiplexersService Manual

What’s in This ManualManual Overview This manual shows how to service the E1343A, E1344A, E1345A, E1347A,E1355A, and E1356A Relay Multiplexers. Consul

Notes10 What’s In This Manual E1343A/44A/45A/47A/55A/56A Service Manual

Chapter 1General InformationIntroductionThis manual contains information required to test, troubleshoot, and repairthe following Agilent relay multip

Safety ConsiderationsThese products are Safety Class I instruments provided with a protectiveearth terminal when installed in the mainframe. Check th

WARNING USING AUTOTRANSFORMERS. If the mainframe is to beenergized via an autotransformer (for voltage reduction) makesure the common terminal is conn

Relay LifeElectromagnetic relays are subject to normal wear-out. Relay life dependson several factors. Two factors are loading and switching frequency

ReplacementStrategyThe replacement strategy also depends on the application. If some relays areused more often, or at higher load, than the others, th

MultiplexerSpecificationsRefer to the individual module’s User’s Manual for specifications. Thesespecifications are the performance standards or limit

Recommended Test EquipmentTable 1-1 lists the test equipment recommended for testing, adjusting, andservicing the relay multiplexers. Essential requir

Figure 1-2. Initial (Incoming) Inspection Guidelines18 General Information Chapter 1

Shipping Guidelines Follow the steps in Figure 1-3 to return a relay multiplexer to an AgilentTechnologies Sales and Service Office.1. Prepare the Mu

Notes20 General Information Chapter 1

Chapter 2Verification TestsIntroductionThis chapter describes the verification tests for the E1343A, E1344A,E1345A, E1347A, E1355A, E1356A Relay Mult

Functional Verification TestThe Functional Verification Test for the multiplexer modules consists ofsending the *IDN? command and checking the respons

Performance Verification TestsThe procedures in this section are used to test the multiplexer’s electricalperformance using the specifications as the

Test 2-1: Closed Channel Resistance TestThis test verifies that all relay contacts meet the closed-channel resistancespecification for the multiplexer

Chs 00 - 07 and 90HI Measurements 1. Make Hardware Connections– Turn mainframe power OFF– Connect DMM leads as shown in Figure 2-3– Turn mainframe po

3. Repeat for Channels 01 - 07 LO and Channel 90 LO– Repeat steps 1 and 2 for channels 01 - 07 LO and 90 LO– Use CLOS (@nncc) and OPEN (@nncc), where

3. Repeat for Channels 01 - 07 GU and Channel 90 GU– Repeat steps 1 and 2 for channels 01 - 07 GU and 90 GU– Use CLOS (@nncc) and OPEN (@nncc), where

Contents E1343A/44A/45A/47A/55A/56A Service ManualWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Measure Channel 08 LO Resistance– Send *RST to multiplexer– Send CLOS (@nn08) to close chan 08, where nn = card #– Trigger the DMM with TRIG SGL a

2. Measure Channel 08 GU Resistance– Send *RST to multiplexer– Send CLOS (@nn08) to close chan 08, where nn = card #– Trigger the DMM with TRIG SGL a

200 PRINT TABXY(1,5),"Measure resistor R";I;"value (in Ohms)"210 INPUT " Enter resistor value (in Ohms), then press C

600 PRINT "Resistance for Channel";I;"Relay is >2.0 Ohms"610 PAUSE620 END IF630 NEXT I640 IF K<

990 IF I=8 AND K=2 THEN Result1(I,K)=Value1(I,K)-(R(25)+R(31))1000 IF I=9 AND K=0 THEN Result1(I,K)=Value1(I,K)-(R(23)+R(26))1010 IF I

Typical ResultsChannel HI (OHMS) LO (OHMS) GU (OHMS)0 1 2 3 4 5 6 790 8 910111213141591920.510.490.480.420.520.520.490.460.490.470.510.430.450.500.480

HI to Chassis Isolation 1. Make hardware connections as shown in Figure 2-92. Set DMM to 2-wire ohms, 1 GΩ range3. Send CLOS (@nn00:nn15, nn90:nn93

HI to GU Isolation1. Make hardware connections as shown in Figure 2-112. Trigger the DMM with TRIG SGL 3. Record the DMM reading on Table 2-2 (HI t

160 PAUSE 170 CLEAR SCREEN 180 ! 190 ! Measure DC Isolation (HI to Chassis, HI to LO, HI to GU) 200 ! 210 OUTPUT @Mux;"*RST" 22

Performance Test RecordTable 2-2, "Performance Test Record," is a form you may copy and use torecord performance verification test results f

Chapter 3. Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41Introduction

Table 2-2. Performance Test Record (Page 1 of 3)General InformationTest Facility:Name_______________________________________Address____________

Table 2-2. Performance Test Record (Page 2 of 3)Test No/Description Minimum*ValueMeasured Value (V)MaximumValueMeasurementUncert Test AccRatio (TAR)2

Table 2-2. Performance Test Record (Page 3 of 3)TestNo/DescriptionMinimum*ValueMeasured Value (V) Maximum** ValueMeasUncert Test AccRatio(TAR)2-1. Clo

Chapter 3Replaceable PartsIntroductionThis chapter contains information on ordering replaceable parts for theE1343A/44A/45A/47A/55A/56A Relay Multipl

Table 3-1. Relay Multiplexer Assembly/Terminal Module Part NumbersMultiplexer ComponentAssemblyTerminalModuleTerminalCardTerminalCaseAssyE1343A 16-Cha

Table 3-2. E1345A/47A/55A/56A Replaceable Parts (cont’d)ReferenceDesignatorPartNumberQty Part DescriptionTERMINAL MODULESE1345-80001 1 E1345A TERMINA

Table 3-3. E1343A/44A Replaceable Parts (see applicable serial number ranges on first page of this chapter)ReferenceDesignatorPartNumberQty Part D

Table 3-4. Reference Designators Reference DesignatorsA assembly PCB printed circuit boardBRK bracket PNL panel C capacitor Q transistorCR diode R res

Parts LocatorsFigures 3-1 through 3-3 show locations of replaceable parts for the E1343A,E1344A, E1345A, E1347A, E1355A, and E1356A Relay Multiplexers

Figure 3-2. E1343A, E1344A, E1345A, E1347A Terminal Module Mechanical PartsChapter 3 Replaceable Parts 47

CertificationAgilent Technologies, Inc. certifies that this product met its published specifications at the time of shipment from the factory. Agilent

Figure 3-3. E1355A/E1356A Terminal Module Mechanical Parts48 Replaceable Parts Chapter 3

Chapter 4ServiceIntroductionThis chapter contains generic service information for the multiplexers.Also included are troubleshooting, repair, and mai

E1343A/44AMultiplexerDescriptionsThe E1343A 16-Channel High Voltage Relay Multiplexer and the E1344A16-Channel High Voltage Relay Multiplexer (with

Terminal module connections include H, L, and G terminals for Channels00 - 15, Bank 0 and Bank 1 Commons, and the AT and BT Tree Switches.In addition,

Figure 4-1. E1343A, E1344A, E1345A, E1347A Multiplexer Block Diagram52 Service Chapter 4

Terminal ModuleDescriptionThe terminal module provides connections from user devices to themultiplexer. The terminal module also provides connections

Figure 4-2. E1355A/56A Multiplexers Block Diagram54 Service Chapter 4

Table 4-1. E1355A/E1356A Relay FunctionsRelay Function NotesK100K101K102K103Measure strain (channel 00)Measure strain (channel 01) Measure strain (cha

Troubleshooting TechniquesTo troubleshoot a relay multiplexer problem, you must first identify theproblem and then isolate the cause of the problem to

Making VisualChecksVisual checks for the multiplexer assemblies include the following. See Table 4-3 for typical symptoms/actions. • Check switches/ju

Frame or chassis ground terminal—typi-cally connects to the equipment’s metalframe.Alternating current (AC).Direct current (DC). Indicates hazardous v

Testing theMultiplexerYou can use the tests and checks in Chapter 2, "Verification Tests," and theinformation in Table 4-4 to isolate the pr

Repair and Maintenance GuidelinesThis section provides guidelines for handling the relay multiplexersincluding:• ESD precautions• Soldering printed ci

Component Locators and Schematic DiagramsThe following tables list Component Locator Diagrams and SchematicDiagrams provided with this manual. Refer t

Table 4-7. Terminal Module Component Locator and Schematic Diagram Drawings (for all E1343A/44A/45A/47A/55A/56A Relay Multiplexers, regardless of seri

Notes62 Service Chapter 4

Appendix AVerification Tests - C ProgramsFunctional Verification TestThese programs are designed to do the Functional Verification Tests foundin Chapt

PerformanceVerificationTestsThese programs are designed to do the Performance Verification Testsfound in Chapter 2, "Verification Tests."Exa

iprintf (dm, "TRIG SGL\n"); iscanf (dm, "%lf", &R[i]); iscanf (dm, "%t", cr); printf ("\nR

j = 100; for (i = 0;i <= 2; i++) { iprintf (id, "CLOS (@%u)\n", j); iprintf (dm, "TRIG SGL\n"); iscanf

getchar (); iprintf (id, "CLOS (@%u)\n", j); iprintf (dm, "TRIG SGL\n"); iscanf (dm, "%lf", &value1[0]

Declaration of Conformity Declarations of Conformity for this product and for other Agilent products may be downloaded from the Internet. There are

Example: DCIsolation TestThis example performs DC Isolation Tests for HI to Chassis, HI to LO, andHI to GU (Guard). printf ("\n\nChannels 90-9

iprintf (dm, "TRIG SGL\n"); iscanf (dm, "%t", reading); printf ("\nDC Isolation -- HI to CHASSIS "); print

Notes70 Example C Programs Appendix A

Appendix BBackdating InformationIntroductionThis chapter contains information for ordering replaceable parts for theE1343A/44A/45A/47A/55A/56A Relay

E1345-80001. To order only the Terminal Card, use E1345-66510. To orderonly the Terminal Case Assembly, use E1300-84401.Table B-1. Relay Multiplexer A

ReferenceDesignatorPartNumberQty Part DescriptionJ1J2J3K0-K15K90-K931252-15961252-37121251-60010490-170721120COMPONENT ASSY (CONT’D...HP E1345-66201)C

ReferenceDesignatorPartNumberQty Part DescriptionA1U1-U3A1U5A1U6A1U7-U8A1U91858-00691820-40571820-67311820-30791820-308131121COMPONENT ASSY (CONT’D...

Table B-3. E1343A, E1344A Replaceable Parts(See applicable Serial Number ranges listed on the first page of this chapter))ReferenceDesignatorPart Numb

ReferenceDesignatorPart Number Qty. Part DescriptionCOMPONENT ASSY (CONT’D...E1343-66201)A1A1C1A1C2-C3A1C5A1C6A1C7-C9A1C11A1C17A1C38-C42A1C44A1C45-C46

ReferenceDesignatorPart Number Qty. Part DescriptionCOMPONENT ASSY (CONT’D...E1343-66201)A1U6A1U7-U8A1U9A1U10-U11A1U12A1U151820-67311820-30791820-3081

Notes6 E1343A/44A/45A/47A/55A/56A Service Manual

Parts LocatorsFigures B-1 through B-3 show locations of replaceable parts for theE1343A, E1344A, E1345A, E1347A, E1355A, and E1356A RelayMultiplexers

Figure B-2. E1343A/44A/45A/47A Terminal Module Mechanical PartsAppendix B Backdating Information 79

Figure B-3. E1355A/56A Terminal Module Mechanical Parts80 Backdating Information Appendix B

Copyright © Agilent Technologies, Inc. 2005 *E1345-90013* E1345-90013