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Agilent Technologies U2751A Replaceable Parts, Electrostatic Discharge ESD Precautions, device

Models: U2751A

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Service Information

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Replaceable Parts

This section contains the information for ordering replacement parts for your instrument. To order the parts, please do the following.

•Contact your nearest Agilent Sales Office or Service Center.

•Provide the part number for the relay.

•Provide the instrument model and serial number.

The part number of the replaceable part and its description are shown in the table below.

Table 4-2Part number and description of replaceable part

Part number

0490-1896

Description

RELAY 2C 3 VDC-COIL 2A 30 VDC

	C A U T I O N	Electrostatic Discharge (ESD) Precautions
	C A U T I O N	Almost all electrical components can be damaged by electrostatic

		discharge (ESD) during handling. The following guidelines will help
		prevent ESD damage when servicing the instrument or any electronic
		device.
		• Disassemble the instruments in a static-free work area only.
		• Use a conductive work area to dissipate static charge.
		• Use a conductive wrist strap to dissipate static charge
		accumulation.
		• Minimize handling.
		• Keep the replacement parts in original static-free packaging.
		• Remove all plastics, styrofoams, vinyls, papers, and other
		static-generating materials from the immediate work area.
		• Use only antistatic solder extractor.

U2751A User’s and Service Guide

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Agilent Technologies U2751A manual Replaceable Parts, Electrostatic Discharge ESD Precautions, device, accumulation

Contents

User’s and Service Guide Agilent TechnologiesAgilent U2751A USB Modular Switch Matrix Safety Notices WarrantyNotices C A U T I O NU2751A User’s and Service Guide Safety SymbolsWA R N I N G General Safety InformationU2751A User’s and Service Guide Environmental ConditionsC A U T I O N Environmental conditionsRegulatory Markings Do not dispose in domestic household waste Waste Electrical and Electronic Equipment WEEE Directive 2002/96/ECProduct Category The affixed product label is as shown belowVIII In This Guide…2 Operation and Features 3 Characteristics and SpecificationsU2751A User’s and Service Guide N O T E Declaration of Conformity DoChttp//regulations.corporate.agilent.com/DoC/search.htm U2751A User’s and Service GuideGeneral Maintenance ContentsInstallation Product DimensionsPower Up Chassis InstallationSwitch Control Product SpecificationsU2922A dimensions Figure 1-1. 25-pin male DSub connectorSwitch matrix concept U2922A pin configurationU2751A User’s and Service Guide attached data sheet continued attached data sheetElectrical and mechanical specifications update per List of TablesU2751A User’s and Service Guide Installation U2751A USB Modular Switch Matrix User’s and Service GuideU2751A DSub Connector Chassis Installation1 Getting Started IntroductionProduct Outlook Product at a GlanceTop View Bumpers55-pin backplane connector USB inlet USB indicator Power indicator DSub connectorPower inlet Front ViewDimensions Without Bumpers Product Dimensions105.00 mm 175.00 mm 25.00 mm117.00 mm 180.00 mm Dimensions With Bumpers41.00 mm U2751A User’s and Service GuideU2751A User’s and Service Guide Standard Purchase ItemsGeneral Maintenance Inspection and MaintenanceInitial Inspection Electrical CheckInstallation Installation and ConfigurationU2751A User’s and Service Guide N O T E1 Getting Started A. Check Your SystemHard-disk space 1 GB If you do not have the Agilent Automation-Ready CD, obtain the IO B. Install the IO Libraries SuiteDisconnect any USB instruments or connectivity interface from your PC U2751A User’s and Service GuideN O T E C. Install the Module Driver1 Getting Started U2751A User’s and Service Guide D. Install the Agilent Measurement Manager1 Getting Started N O T E10 Fill in the Customer Information Form accordingly and click Next U2751A User’s and Service Guide E. Connect the Module to Your PCN O T E Yes, this time only and click Next to proceed1 Getting Started U2751A User’s and Service GuideU2751A User’s and Service Guide Select Ignore to disable the warning messageN O T E Go to Start Control Panel and double-click System8 The Assign USB device alias window will appear. Each time the U2751A is plugged in, this dialog box will appear. To 1 Getting StartedN O T E U2751A User’s and Service GuideN O T E 10 The U2751A can also be connected remotely to the PCSend Commands To This Instrument F. Verify Your Module Connection1 Getting Started G. Launch Your Agilent Measurement Manager The IO Control will launch automatically when you start your PCU2751A User’s and Service Guide N O T EU2751A User’s and Service Guide For more information on how to use the Measurement Manager, refer toN O T E 1 Getting StartedFigure 1-1 25-pin male DSub connector U2751A DSub ConnectorPin Assignments Table 1-1 Pin assignmentsU2922A Terminal Block Figure 1-2 U2922A pin configurationN O T E 1 Getting StartedFigure 1- 3 and Figure 1 Female DSub connectorTerminal block Retractable coverSide View Figure 1-4 U2922A dimensions85.00 mm 23.00 mm 90.00 mm 105.00 mmThe maximum transient voltage is 300 Vrms U2922A Terminal Block Installationterminal block during operation to avoid any unexpected hazardJack screws of the U2922A the housing1 Getting Started Snap-fit clasp of the retractable cover andFigure 1-5 55-pin backplane connector pin configuration 55-Pin Backplane Connector Pin Configurationdescription U2751A User’s and Service Guide1 Getting Started Chassis InstallationPower Up Operation and FeaturesSwitch Control SCPI Commands for System-Related Tasks2 Operation and Features Power UpFigure 2-1 Switch matrix concept Switch ControlU2751A User’s and Service Guide Figure 2-2 Panel view of the Agilent Measurement Manager Agilent Measurement Manager Operation2 Operation and Features Example 1, Make contact at channel SCPI CommandsExample 2, Break contact at channel Example 3, Make contact at channel 101Figure 2-3 Panel view of the relay cycle counter Relay Cycle Counter2 Operation and Features Agilent Measurement Manager OperationSystem-Related Operation Error ConditionsSelf-Test U2751A User’s and Service GuideExample 4, Performing system-related tasks SCPI Commands for System-Related Tasks2 Operation and Features U2751A USB Modular Switch Matrix User’s and Service Guide Characteristics and SpecificationsProduct Characteristics Product Specifications Agilent Technologies3 Characteristics and Specifications Product CharacteristicsPOWER CONSUMPTION SAFETY COMPLIANCECharacteristics and Specifications Product SpecificationsU2751A User’s and Service Guide Input characteristics per channelGeneral characteristics 3 Characteristics and SpecificationsChecking Defective Relays Replaceable Parts Disassembly Instructions Service InformationReassembly Instructions Contacting Agilent Technologies U2751A USB Modular Switch Matrix User’s and Service GuideChecking Defective Relays 4 Service InformationN O T E Replaceable Parts Electrostatic Discharge ESD Precautionsdevice Disassemble the instruments in a static-free work area only4 Service Information Disassembly InstructionsU2751A User’s and Service Guide Remove the screws and nuts as shownU2751A User’s and Service Guide DIAGnosticRELayCYCLesCLEar @chlistService Information Separate the carrier and measurement boardTypes of Service Available Reassembly InstructionsContacting Agilent Technologies N O T E N O T EIndex Index Contact us Agilent Technologies