Agilent Technologies E1326B User Manual

Agilent 75000 SERIES BAgilent E1351A/E1353A16-Channel FET MultiplexerModulesUser’s ManualCopyright© Agilent Technologies, Inc., 1995 - 2006*E1351-9000

DECLARATION OF CONFORMITYAccording to ISO/IEC Guide 22 and CEN/CENELEC EN 450148 Agilent E1351A / E1353A 16-Channel FET Multiplexer Module User’s Man

MultimeterRegister-BasedProgramming ErrorCodesMultimeter error codes related to register-based programming are listed inTable B-2.Table B-2. Multimete

Appendix CAgilent E1351A/53A FET Multiplexer ErrorMessagesTable C-1 lists the error messages associated with the multiplexer modulesprogrammed with S

Notes100 Agilent E1351A/53A FET Multiplexer Error Messages Appendix C

IndexAgilent E1351A/53A 16-Channel FET Multiplexer*CLS, 76*ESE, 76*ESE?, 76*ESR?, 76*IDN?, 76*OPC, 76*OPC?, 76*RCL, 76*RST, 76 - 77*SAV, 76*SRE, 52,

connecting to direct terminals, 32 - 33connecting to tree terminals, 34list, 29, 65numbers, 11opening, 29, 64query closure, 64 - 65scanning, 65scannin

Direct Terminals (continued)measurement accuracy, 33Discrete Command Parameters, 55DISPlay Subsystem, 58 - 59, 77DISPlay:MONitor:CARD, 58DISPlay:MONit

MMainframe Address, 14Making2-wire ohms measurements by scanning, 384-wire ohms measurements by scanning, 38continuous scans, 39, 60measurements, 34mu

Program Examples (continued)scanning without a scan list, 40verify initial operation, 16voltage measurements by scanning, 36 - 37Programmingregister-b

Scanning Voltmeteranalog bus connector, 12card numbering, 30card numbers, 18 - 19configuration, 12, 14, 51configuration with multimeter, 42, 51continu

Thermocouple, 43compensated measurements, 44terminal module (E1353A), 43Tree Isolation Switch, 12closing FETs, 34disabling, 68enabling, 68opening, 32

NotesAgilent E1351A / E1353A 16-Channel FET Multiplexer Module User’s Manual 9

108 Agilent E1351A/53A 16-Channel FET Multiplexer Index

Notes10 Agilent E1351A / E1353A 16-Channel FET Multiplexer Module User’s Manual

Chapter 1Getting Started with the Agilent E1351A/53AUsing This ChapterThis chapter describes the Agilent E1351A 16-Channel FET and the AgilentE1353A

For high-speed operation (100 K switches/sec.) the scanning list isautomatically downloaded into RAM on the multiplexer module.Triggering for channel

Figure 1-1. FET Multiplexer Module Block DiagramChapter 1 Getting Started with the Agilent E1351A/53A 13

Switchbox and Scanning Voltmeter ConfigurationsA VXIbus instrument is a module or group of modules which perform aspecified function. For the Agilent

120 TRIGGER 70903 !Trigger the switchbox to advancethe channel list130 NEXT I !Increment count140 END Scanning Voltmeter When the multiplexer(s) is c

Programming LanguageThe examples in this manual use the Standard Commands forProgrammable Instruments (SCPI) commands, BASIC and an HP 9000Series 200/

Chapter 2Configuring the Agilent E1351A/53A FETMultiplexer ModulesUsing This ChapterThis chapter shows how to configure the 16-Channel FET Multiplexe

Multiplexer Card NumbersAgilent plug-in modules installed in an Agilent VXIbus mainframe aretreated as independent instruments each having a unique se

The logical addresses noted in Figures 2-1, 2-2, and 2-3 apply to modulesinstalled in an Agilent 75000 Series B Mainframe (Agilent Model NumberE1300B/

Selecting the Interrupt Line NumberThe multiplexer module generates interrupts at the end of a downloadedscan list. The interrupt line number switch

Setting the Card ID SwitchThe multiplexer module can be an Agilent E1351A, Agilent E1352A orAgilent E1353A depending on which terminal module is insta

Connecting User InputsThe 16-Channel FET consists of a component module and a terminalmodule. If the terminal module is not desired, Figure 2-7 shows

Adding Signal Conditioning Components/Current ShuntsThe multiplexer module’s terminal module allows you to add componentson each channel for the follo

Connecting Field WiringLeads for the individual channels are connected through the channelterminals on the terminal modules. Multimeters and signal g

Wiring a Terminal ModuleThe following illustrations show how to connect field wiring to the terminalmodule.Chapter 2 Configuring the Agilent E1351A/53

Connecting Multimeters and Signal Generators Figure 2-10 shows how to connect the analog bus connector and the digitalbus handshake cable between mult

Analog Bus and Digital Bus CablesFigure 2-11 shows analog bus and digital bus cables formultiplexer-to-multiplexer and multiplexer-to-multimeter conne

ContentsAgilent E1351A/53A 16-Channel FET MultiplexerWarranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes28 Configuring the Agilent E1351A/53A FET Multiplexer Modules Chapter 2

Chapter 3Using the Agilent E1351A/53A FETMultiplexer ModulesUsing This ChapterThis chapter uses some typical examples to show how to use the16-Channe

To address specific channels within a multiplexer module in a switchbox orscanning voltmeter configuration, you must send the appropriate SCPIcommand

Multiplexer CommandsThe following commands are covered in Chapter 3. For a complete list anddescription of commands see Chapter 5, “Command Reference

Connecting Switchbox Channels to Direct TerminalsThe direct terminals provide direct access to closed channels. There is adirect terminal for each ba

Comments Isolation. The direct terminals provide a more accurate measurement thanthe tree terminals or the analog bus connector as the signal does no

Connecting Switchbox Channels to Tree Terminals forMaking MeasurementsConnect external multimeters to the A tree terminal. The SCAN:PORTABUS command

Example: ConnectChannels 02 and 10 toTree Terminals for4-Wire OhmsMeasurementThe SCAN:MODE FRES command separates Bank 0 and Bank 1 for 4-wireresistan

Scanning a Range of Switchbox ChannelsYou can scan a range of channels of a switchbox consisting of single ormultiple multiplexer modules. Scanning i

automatically makes connection tothe analog bus and tree terminals.60 OUTPUT 70914;"SCAN (@100:215)"!Selects the channel list; 100selects

Chapter 4. Understanding the Agilent E1351A/53A FET Multiplexer Modules . . . . . . . . . 45Using This Chapter . . . . . . . . . .

Example: Making2-Wire OhmsMeasurements byScanningUse the same setup shown in the first program example in this section,except the current source from

Example: MakingMultiple ScansThe ARM:COUNt <number> command selects multiple scanning cycles forswitchboxes with non-downloaded scans. It does

Scanning a Switchbox without a Downloaded Scan ListThis example shows a FET switchbox connected to a multimeter with theanalog bus cable. The switchb

Scanning a Switchbox with a Downloaded Scan ListThis example shows a FET switchbox connected to multimeter with theanalog bus cable and the digital bu

Scanning Voltmeter Configuration with Agilent E1326BThis example shows an Agilent E1326B Multimeter and an AgilentE1351A/E1353A Multiplexer combined i

Measuring Temperature Using Thermocouples (Agilent E1353A Module only)The thermocouple terminal module automatically configures the AgilentE1353A FET

Comments Measuring Temperature with the El326B/El411B Multimeters. TheAgilent E1326B/E1411B Multimeters can directly measure channels of singleor mul

Chapter 4Understanding the Agilent E1351A/53A FETMultiplexer ModulesUsing This ChapterThis chapter explains techniques to scan the channels of 16-Cha

GPIBFigure 4-1. Scanning Commands46 Understanding the Agilent E1351A/53A FET Multiplexer Modules Chapter 4

Handshake Triggering (TRIG:SOUR BUS)Uses digital bus on faceplate of multiplexermodule. Channel Advance and ChannelClosed continuously handshake withV

:SOURce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74:SOURce? . . . . .

Example: Scanningwith ExternalInstrumentsThis example uses the mainframe "Trig Out" port to synchronize themultiplexers to an Agilent 3457A

Example: ScanningUsing "Trig Out" and"Event In" PortsThis example uses the mainframe "Trig Out" and "Event In"

Example: ScanningUsing Stand-AloneMultimeter and DigitalBus TriggeringThis example is similar to the previous one except that the multimeter’s"Ex

Example: ScanningUsing ScanningVoltmeterConfiguration andDigital Bus TriggeringIn this example the Agilent E1326B Multimeter is combined with a FETmul

Using the Scan Complete BitYou can use the Scan Complete Bit (bit 8) in the SCPI Operation StatusRegister to determine when a scanning cycle completes

Chapter 5Agilent E1351A/53A 16-Channel FETMultiplexer Command ReferenceUsing This ChapterThis chapter describes Standard Commands for Programmable In

Command Separator A colon (:) always separates one command from the next lower levelcommand as shown below:ROUTe:SCAN:MODE VOLTColons separate the roo

Parameters Parameter Types. The following table contains explanations and examplesof parameter types you might see later in this chapter.Parameter Ty

ABORtThe ABORt subsystem stops a scan in progress when the scan is enabled viathe interface, and the trigger modes are TRIGger:SOURce BUS orTRIGger:SO

ARMThe ARM subsystem selects the number of scanning cycles (1 - 32767) foreach INIT command. This command does not apply to downloaded scanlists. Fo

Notes4 Agilent E1351A/53A 16-Channel FET Multiplexer Contents

DISPlayThe DISPlay subsystem monitors the channel state of a selected module (orcard). This command can only be used when the FET multiplexer modulei

:MONitor[:STATe] DISPlay:MONitor[:STATe] <mode> turns the monitor mode on or off.ParametersParameter Name Parameter Type Range of ValuesmodeBoo

INITiateThe INITiate subsystem selects continuous scanning cycles and starts thescanning cycle.Subsystem Syntax INITiate:CONTinuous <mode>:CONTi

Example Enabling Continuous ScansINIT:CONT ON Enables continuous scanning.SCAN (@100:115) Sets channel list.INIT Starts scanning cycle.:CONTinuous? I

OUTPutThe OUTPut subsystem enables or disables the "Trig Out" port of theAgilent E1300/E1301 Mainframe.Subsystem Syntax OUTPut [:STATe] <

[ROUTe:]The [ROUTe:] subsystem controls switching and scanning operations for themultiplexer modules in a switchbox.Subsystem Syntax [ROUTe:]CLOSe <

• *RST Condition: All multiplexer channels are open.Example Closing Multiplexer ChannelsThis example closes channel 00 of a multiplexer module card n

• *RST Condition: All multiplexer channels are open.Example Opening Multiplexer ChannelsThis example opens channel 00 of a multiplexer module card nu

• Scanning Operation: With a valid channel list,INITiate[:IMMediate] starts the scanning cycle and closes the firstchannel in the channel list. Succ

SCAN:MODE [ROUTe:]SCAN:MODE <mode> sets the multiplexer channels defined bythe [ROUTe:]SCAN <channel_list> command for None, Volts, 2-Wir

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

SCAN:PORT [ROUTe:]SCAN:PORT <port> enables/disables the tree isolation switches.SCAN:PORT ABUS closes the appropriate tree switches (for analog

SETTling[:TIME] [ROUTe:]SETTling[:TIME] <channel_list> sets the delay between receiptof a channel closing trigger, and the pulse when the FET c

STATusThe STATus subsystem reports the bit values of the Operation StatusRegister. This enables the Status Register to set a bit after a bit is set t

read and print the register value +256 shows bit 8 is set to 1; +0shows bit 8 is set to 0.SYSTemThe SYSTem subsystem returns the error numbers and err

Example Opening All Channels on Card #1SYST:CPON 1 Opens all channels on card #1.:CTYPe? SYSTem:CTYPe? <number> returns the module (card) type

Example Reading the Error QueueSYST:ERR? Query the error queue.TRIGgerThe TRIGger subsystem commands control the scan triggering operation ofthe multi

:SOURce TRIGger:SOURce BUS | DBUS | EXTernal | HOLD | IMMediate specifiesthe trigger source to advance the channel list during scanning. ParametersPa

• *RST Condition: TRIGger:SOURce IMMediateExample Scanning Using External TriggersIn the following example, the trigger input is applied to the Agile

IEEE 488.2 Common CommandsThe following table lists the IEEE 488.2 Common (*) Commands that the16-Channel FET Multiplexer Modules accept. The operati

Command Quick ReferenceThe following tables summarize SCPI and IEEE 488.2 Common (*)Commands for the 16-Channel FET Multiplexer Modules.SCPI Commands

Frame or chassis ground terminal—typicallyconnects to the equipment’s metal frame.Alternating current (AC).Direct current (DC). Indicates hazardous vo

Notes78 Agilent E1351A/53A 16-Channel FET Multiplexer Command Reference Chapter 5

Appendix AAgilent E1351A/53A FET MultiplexerSpecifications* Each FET is diode clamped to ±14V and a 220Ω series resistor. This limits the current

Notes80 Agilent E1351A/53A FET Multiplexer Specifications Appendix A

Appendix BAgilent E1351A/53A Register-BasedProgrammingAbout This AppendixThe Agilent E1351A and Agilent E1353A FET and Thermocouple FETMultiplexers a

Figure B-1. Multiplexer Registers within A16 Address SpaceFigure B-2. Registers within E1301/E1406 A16 Addres Space82 Agilent E1351A/53A Register-Bas

The Base Address When reading or writing to a multiplexer register, specify a hexadecimal ordecimal register address. This address consists of a base

Register Offset The register offset is the register’s location in the block of 64 address bytes.For example, with a LADDR of 112 the multiplexer’s Sca

Device Type Registerbase + 02161514131211109876543210Write UndefinedRead Model CodeStatus/Control Registerbase + 04161514131211109876543210Write Undef

Register Bit DescriptionsThis section contains a description of the function of each bit which isaddressable in each register. The bits are listed ac

Status/ControlRegisterThe Status/Control WRITE register is used to reset the module, enableinterrupts, choose direct or scan list control of the chann

DECLARATION OF CONFORMITYAccording to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Agilent E1351A / E1353A 16-Channel FET Multiplex

Scan ControlRegisterThe Scan Control Register allows you to clear the scan list, set the triggermode and reset the pointer to the beginning of the sca

Scan ChannelConfigurationRegisterThese bits set the <channel_list> for a scan list, set the type of measurementand enable/disable the tree isola

Direct ControlRegisterThe Direct Control Register allows you to set the controls for individualchannels. Note that the DIR bit in the Status/Control

INITiate[:IMMediate] is equivalent to writing a one to the TRG INT in theStatus/Control Register. The TRG INT sets itself back to zero after pulsingt

The [ROUTe:]SCAN:MODE VOLT | RES | FRES is set with C1 and C0 inthe Scan Channel or Direct Control Register. Note that to obtain theThermistor refere

Register-Based Programming for Maximum SpeedThis is an outline of the algorithm that needs to be followed to have theAgilent E1326B 51⁄2 Digit Multime

Now write once for each channel in your scan list to the ChannelConfiguration Register. This register loads up a FIFO that will later rotateeach time

The number of readings specified in sample count will now be taken. If thesample count is more than one scan, the scan list will start over again.5.

MultimeterCommand andParameter OpcodesTable B-1 contains the multimeter command and parameter opcodes. Theopcodes used to query the parameter setting

Table B-1. Multimeter Command and Parameter Opcodes (continued)(1) Specified as a 2’s complement binary number. For three byte parameters <upper