HP 6631B Controller Connections, HP-IB Interface, RS-232 Interface, Pin Input/Output Description

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3 - Installation

Controller Connections

The dc source connects to a controller either through an HP-IB or an RS-232 connector.

HP-IB Interface

Each dc source has its own HP-IB bus address, which can be set using the front panel Address key as described in chapter 5. HP-IB address data is stored in non-volatile memory. The dc source is shipped with its HP-IB address set to 5.

Dc sources may be connected to the HP-IB interface in series configuration, star configuration, or a combination of the two, provided the following rules are observed:

The total number of devices including the controller is no more than 15.

The total length of all cables used is no more than 2 meters times the number of devices connected together, up to a maximum of 20 meters. (Refer to table 2-2 for a list of HP-IB cables available from Hewlett-Packard.)

Do not stack more than three connector blocks together on any HP-IB connector.

Make sure all connectors are fully seated and the lock screws are firmly finger-tightened.

RS-232 Interface

The dc source has an RS-232 programming interface, which is activated by commands located in the front panel Address menu. All SCPI and COMPatibility commands are available through RS- 232 programming. When the RS-232 interface is selected, the HP-IB interface is disabled.

The RS-232 connector is a DB-9, male connector. Adapters are available to connect the dc source to any computer or terminal with a properly configured DB-25 connector (see Table 2-2).

1 2 3 4 5

6 7 8 9

Figure 3-5. RS-232 Connector

Pin

Input/Output

Description

1

-

no connection

2

Input

Receive Data (RxD)

3

Output

Transmit Data (TxD)

4

Output

Data Terminal Ready (DTR)

5

Common

Signal ground

6

Input

Data Set Ready (DSR)

7

Output

Request to Send (RQS)

8

Input

Clear to Send (CTS)

9

-

no connection

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Contents USER’S Guide Warranty Information CertificationSafety Summary GeneralSafety Symbols Declaration EMCAcoustic Noise Information Printing HistoryTable of Contents Entry Keys Examples of Front Panel Programming Specifications Supplemental CharacteristicsPerforming the Calibration Procedure IntroductionConvenient bench-top features Flexible system featuresQuick Reference Front Panel At a Glance Front Panel Number Entry Use the Function keys and Entry keys to enter a new valueFront Panel Annunciators Immediate Action KeysFront Panel Menus At a Glance Scpi Programming Commands At a Glance ABORt SENSe CALibrateRear Panel At a Glance Use the front panel Address menu toPage General Information Document OrientationGetting Started Map Accessories Safety ConsiderationsOptions and Accessories OptionsDescription Output Characteristic Inspection InstallationCleaning Damage Packaging MaterialLocation Bench OperationRack Mounting Input Connections Connect the Power CordWire Considerations Output ConnectionsRemote Sense Connections Voltage DropsMultiple Load Connections Sense Leads Remote Sense ConnectionsOVP Considerations StabilityPage FLT/INH DIGital I/O Connector Digital I/O ConnectionsFLT/INH Examples RS-232 Interface Controller ConnectionsHP-IB Interface Pin Input/Output DescriptionUsing the Keypad Turn-On CheckoutIntroduction Checkout Programming Values Checkout ProcedureProcedure Display Explanation Model Voltage OV Prot CurrentProcedure Display Explanation Press 5, EnterError Messages Case of TroubleLine Fuse Front panel Operation Front Panel DescriptionLine System Keys Function Keys Display AnnunciatorsRotary Control Entry KeysDisplay Command Function System KeysFunction Keys Immediate Action KeysScrolling Keys High Metering KeysDisplay Measurement LOWOC OT OV RI FS Output Control KeysRST Voltprot valueEntry Keys Entry KeysExamples of Front Panel Programming Setting the Output Voltage and CurrentEnable the output Set the output voltageQuerying and Clearing Output Protection Making Front Panel MeasurementsAction Use the Meter menu for making front panel measurements Currrang AutoCurrdet Acdc To configure the Ridfi mode of the port, proceed as follows To configure the Digio mode of the port, proceed as followsProgramming the Digital Output Port Programming the Output Relay option 760 only Setting the HP-IB Address and RS-232 ParametersConfigure the RS-232 interface as follows Set the HP-IB address as followsSave an operating state in location 1 as follows Select the power-on state of the dc source as followsSaving and Recalling Operating States Recall a saved state as followsPage Specifications Supplemental Characteristics Table A-2. Supplemental CharacteristicsParameter HP 66332A Command ProcessingINH/FLT Characteristics Dynamic MeasurementNet weight Digital I/O CharacteristicsDimensions Shipping weightEquipment Required Test SetupVerification and Calibration Table B-1. Equipment RequiredFigure B-1. Verification & Calibration Test Setup Performing the Verification TestsCurrent Programming and Measurement Accuracy Turn-On CheckoutVoltage Programming and Measurement Accuracy Table B-2. Verification Programming ValuesCurrent Measurement Low Range Current Sink MeasurementCurrrang LOW Current Measurement Low Range Table B- 3. Verification Test Record for HP 6631BCurrent Programming and Measurement High Range Current Sink MeasurementTable B- 5. Verification Test Record for HP 6633B Table B- 6. Verification Test Record for HP 6634BPerforming the Calibration Procedure Front Panel Calibration MenuVoltage Programming and Measurement Calibration Enable Calibration ModeFront Panel Calibration Overvoltage Protection CalibrationCurrent Programming and High-Range Measurement Calibration Negative Current Programming CalibrationLow-Range Current Measurement Calibration Error Meaning Calibration Error MessagesTable B- 7. HP-IB Calibration Error Messages AC Current Measurement Calibration HP 66332A onlyChanging the Calibration Password Calibration Over the HP-IBCalpass Page Error Messages Error Number ListTable C-1. Error Numbers Error Messages Error Messages C Page Configure the Power Transformer Line Voltage ConversionOpen the Unit Install the Correct Line Fuse Close the UnitIndex Index Index Asia Pacific United States of America EuropeJapan Latin AmericaManual Updates
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