Agilent Technologies L4400 Guida Utente

Agilent TechnologiesAgilent L4400 SeriesLXI Class C InstrumentsUser’s Guide

viii L4400 User’s Guide6 L4437A General Purpose SwitchGeneral Purpose Switch Instrument 128L4437A SCPI Command Summary 130L4437A Example Pro

88 L4400 User’s Guide3 Operating and ProgrammingUsing the Alarm Output LinesAs mentioned, there are two TTL alarm lines available on the rear- panel A

Operating and Programming 3L4400 User’s Guide 89To clear the specified output line (or to clear both lines), use one of the following commands. OUTP

90 L4400 User’s Guide3 Operating and ProgrammingDefining a SequenceA sequence defines a series of SCPI commands with an associated name. When the sequ

Operating and Programming 3L4400 User’s Guide 91L4445AROUTe:ClOSe (@<ch_list>)ROUTe:OPEN (@<ch_list>)ROUTe:MODule:WAIT {1|ALL}ROUTe:SEQuen

92 L4400 User’s Guide3 Operating and Programming• When a sequence is defined, the specified commands are checked for proper syntax and absolute parame

Operating and Programming 3L4400 User’s Guide 93Querying the Sequence DefinitionOnce you have defined a sequence, you can query the definition to revi

94 L4400 User’s Guide3 Operating and Programming• A sequence may invoke another sequence. but may not invoke itself recursively. In addition, the numb

Operating and Programming 3L4400 User’s Guide 95The following program segment selects the alarm source and configures the instrument (L4450A) to execu

96 L4400 User’s Guide3 Operating and Programming MYSEQ_1,PATH_DUT1,SW_PATH2If no sequence names have been stored, a null string (“ ”) string is retu

Operating and Programming 3L4400 User’s Guide 97Error ConditionsUsage: • All L4400 Series InstrumentsWhen the L4400 instrument’s front panel ATTN LED

L4400 User’s Guide ix8 L4450A 64-Bit Digital I/O with Memory and CounterL4450A SCPI Command Summary 192L4450A 64-Bit Digital I/O with Memory and

98 L4400 User’s Guide3 Operating and ProgrammingRelay Cycle CountUsage: • L4421A 40- Channel Armature Multiplexer• L4433A Dual/Quad 4x8 Reed Matrix• L

99Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies4L4421A 40-Channel Armature MultiplexerLow Frequency Multiplexer Switch Instrum

100 L4400 User’s Guide4 L4421A 40-Channel Armature MultiplexerLow Frequency Multiplexer Switch InstrumentThe L4421A low frequency multiplexer (MUX) sw

L4421A 40-Channel Armature Multiplexer 4L4400 User’s Guide 101Table 4-1. L4421A Supported Measurement Functions.FunctionNotesVoltage, AC/DCCurrent, A

102 L4400 User’s Guide4 L4421A 40-Channel Armature Multiplexer(Switch Control)(Sequence Operation)ROUTe:CHANnel:DELay:AUTO {OFF|0|ON|1}, (@ch_list)ROU

L4421A 40-Channel Armature Multiplexer 4L4400 User’s Guide 103L4421A Example Program SegmentsThe following sections contain example program segments

104 L4400 User’s Guide4 L4421A 40-Channel Armature MultiplexerExample: Querying channels for open or close state The following command returns a 1 (t

L4421A 40-Channel Armature Multiplexer 4L4400 User’s Guide 105ABus1 and ABus2 you can connect any of the channels to a DMM for voltage or resistance

106 L4400 User’s Guide4 L4421A 40-Channel Armature MultiplexerL4421A Simplified SchematicThis drawing shows the L4421A configured as two independent 2

L4421A 40-Channel Armature Multiplexer 4L4400 User’s Guide 107L4421A D-Sub ConnectorsBank 1For orientation, the D-sub connector end of the module is

x L4400 User’s GuideA L4451A and L4452A Calibration ProceduresCalibration Procedures 248Agilent Technologies Calibration Services 248Calibra

108 L4400 User’s Guide4 L4421A 40-Channel Armature Multiplexer34921T Terminal BlockThis terminal block with screw- type connections is labeled with th

Warning -the insulation of the wiring usedwith the terminal block must be rated forthe highest voltage that will be present onthe terminal block or on

110 L4400 User’s Guide4 L4421A 40-Channel Armature MultiplexerTHIS PAGE INTENTIONALLY BLANK

111Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies5L4433A Dual/Quad 4x8 Reed MatrixMatrix Switch Instrument 112L4433A SCPI Co

112 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed MatrixMatrix Switch InstrumentThe L4433A Dual/Quad 4x8 Reed Matrix switch offers a convenient way fo

L4433A Dual/Quad 4x8 Reed Matrix 5L4400 User’s Guide 113L4433A SCPI Command SummaryTable 5- 1 lists the instrument- specific SCPI commands that apply

114 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed MatrixL4433A Example Program SegmentsThe following sections contain example program segments of comm

L4433A Dual/Quad 4x8 Reed Matrix 5L4400 User’s Guide 115Opening and Closing Channels Example: Closing and opening matrix channels (two-wire mode) Th

116 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed MatrixExample: Querying channels for open or close state The following command returns a 1 (true) o

L4433A Dual/Quad 4x8 Reed Matrix 5L4400 User’s Guide 117Note that the presence of in- rush resistors on the analog busses and columns require additio

1Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies1Introduction to the L4400 Series LXI InstrumentsInstrument Considerations

118 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed MatrixL4433A Dual/Quad 4x8 Reed Matrix Hardware DescriptionYou can configure the L4433A dual/quad 4x

L4433A Dual/Quad 4x8 Reed Matrix 5L4400 User’s Guide 119One-Wire ModeTo physically configure the module in 1- wire mode, use the 34933T- 002 terminal

120 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed MatrixL4433A Simplified Schematic for Two-Wire Mode Row 8Row 7Row 6C2LC2LbypassLC8LbypassLC8LC2HC2Hb

L4433A Dual/Quad 4x8 Reed Matrix 5L4400 User’s Guide 121L4433A D-Sub Connectors for Two-Wire ModeMatrix 1For orientation, the D-sub connector end of

122 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed Matrix34933T-001 Terminal Block for Two-Wire ModeThis terminal block with screw- type connections is

Although columns are numbered the same on Matrix 1 and Matrix 2, they are electrically separate from one another (e.g., Col C2).COLUWarning -the insul

124 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed MatrixL4433A Simplified Schematic for One-Wire Mode HHHHABus1DMM(MEAS)921ABus2DMM(SENS)922ABus3923AB

L4433A Dual/Quad 4x8 Reed Matrix 5L4400 User’s Guide 125L4433A D-Sub Connectors for One-Wire ModeMatrices 1 and 2For orientation, the D-sub connector

126 L4400 User’s Guide5 L4433A Dual/Quad 4x8 Reed Matrix34933T-002 Terminal Block for One-Wire ModeThis terminal block with screw- type connections is

127Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies6L4437A General Purpose SwitchGeneral Purpose Switch Instrument 128L4437A S

2 L4400 User’s Guide1 Introduction to the L4400 Series LXI InstrumentsInstrument ConsiderationsThis section lists important items and actions that can

128 L4400 User’s Guide6 L4437A General Purpose SwitchGeneral Purpose Switch InstrumentThe L4437A General Purpose (GP) switch can be used to route sign

U205U301C301OpenMaintain5Amp relaysPower Down StateL4437A General Purpose Switch 6L4400 User’s Guide 129Figure 6-1. 5A Relay Power-Down State Jumper.W

130 L4400 User’s Guide6 L4437A General Purpose SwitchL4437A SCPI Command SummaryTable 6- 1 lists the instrument- specific SCPI commands that apply to

L4437A General Purpose Switch 6L4400 User’s Guide 131L4437A Example Program SegmentsThe following sections contain example program segments of commonl

132 L4400 User’s Guide6 L4437A General Purpose SwitchExample: Clearing the cycle count for a relay (all switch modules) The following command resets

L4437A General Purpose Switch 6L4400 User’s Guide 133L4437A D-Sub ConnectorsBank 1For orientation, the D-sub connector end of the module is facing you

134 L4400 User’s Guide6 L4437A General Purpose Switch34937T Terminal Block This terminal block with screw- type connections is labeled with the model

135Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies7L4445A Microwave Switch/Attenuator DriverL4445A SCPI Command Summary 136L4

136 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverL4445A SCPI Command SummaryTable 7- 1 lists the instrument- specific SCPI commands th

(Sequence Operation)ROUTe:OPEN (@<ch_list>)ROUTe:OPEN? (@<ch_list>)ROUTe:OPEN:ALL 1ROUTe:OPERation:OVERlap[:ENABle] {OFF|0|ON|1}ROUTe:OPER

Pollution Degree 1: No pollution or only dry, non-conductive pollution occurs. The pollution has no influence (on insulation) (IEC 61010-1 2nd Editio

138 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverL4445A Microwave Switch/Attenuator DriverThe L4445A consists of a driver interface in

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 139Figure 7- 1 shows the components of the L4445A microwave switch/attenuator driver con

140 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverFigure7- 2 is a labeled drawing of the 34945EXT remote module. External Power Supply

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 141Recommended Switches and AttenuatorsThe recommended Agilent switches and attenuators

142 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverPower SuppliesThe switches and attenuators on the master remote module can be powered

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 143100mA continuous + 200mA (15ms pulse, 25% duty cycle)For example, if the quiescent su

144 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverSimple Switch ControlAll examples in this chapter make reference to SCPI commands for

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 145Remote Module IdentifiersA special channel numbering method exists for use with SCPI

146 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverUsing Single Drive Switches and AttenuatorsSome microwaveswitches require a single d

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 147Using Dual Drive Switches and AttenuatorsMany microwaveswitches and attenuators have

4 L4400 User’s Guide1 Introduction to the L4400 Series LXI InstrumentsInterconnection Solutions OverviewDepending on your specific requirements, you c

148 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverUsing Pulse DriveTo use the pulse drive mode, send the ROUTe:CHANnel:DRIVe:PULSe:MODE

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 149Long Execution TimesWhen configuring long channel pulse drive times and/or power supp

150 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverSwitch state is stored in the instrument. In contrast, the ROUTe:OPEN? and ROUTe:CLOS

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 151LED DriveThe distribution boards contain a ribbon cable header you can use to connect

152 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverDefault and Reset StatesThe L4445A allows several types of reset and default actions.

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 153SYSTem:PRESet, *RST, SYSTem:CPON and Power OnThese actions drive the channels to thei

154 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverThis command uses special channel addressing as described in “Remote Module Identifie

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 155Y1150A The Y1150A supports the Agilent N181x series microwave switches shown below. U

156 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1150A ConnectionsY1150A Switch Connectors SW1 Through SW8 +VR is the Voltage source

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 157* 26 AWG recommended for 5V coil switchesY1150A Switch Control All switches are drive

Introduction to the L4400 Series LXI Instruments 1L4400 User’s Guide 5Bench-Top Operation and Instrument Rack Mounting The L4400 series instruments ca

158 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1150A LED Connectors LED1 and LED2121516LED1 Connector LED2 ConnectorPin Use Pin Use

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 159Y1151AThe Y1151A supports up to two of the Agilent microwave switches shown below. 

160 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1151A ConnectionsY1151A Switch Connector SW1 and SW2 211516+VR is the Voltage source

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 161Pin 1Pin 1Item Description Example Part NumbersCable Type 16 conductor ribbon cable,

162 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1151A Switch Control All channels are single drive. Path Closed Path OpenSW1 Path 1

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 163Y1151A LED Connectors LED1 and LED2121516LED1 Connector LED2 ConnectorPin Use Pin Use

164 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1152AThe Y1152A supports one of the 87xxx switches and up to two of the Agilent N181

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 165Y1152A ConnectionsY1152A Switch connector SW1 (87204/06) 211516LED ConnectorsSwitchCo

166 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1152A Switch Connector SW2 and SW3 (N181x) 10912Pin 1Switch ConnectorDistribution Bo

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 16716 Conductor Cable 9 Conductor Cable Y1152A Switch ControlAll channels are driven in

6 L4400 User’s Guide1 Introduction to the L4400 Series LXI InstrumentsProcedureFigure 1- 1 is a composite drawing of the Y1160A sliding shelf rack mou

168 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1152A LED Connectors LED1 and LED2LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 169Y1153AThe Y1153A supports the attenuators listed below. Up to two of the attenuators

170 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator Driver8494/5/6 Y1153A ConnectionsAttenuatorRibbon ConnectorsAttenuatorScrew TerminalsLED Co

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 171Y1153A Attenuator connector P101 and P102 (84904/5/8) 84904/5/6/7/8 Pin Use Pin Use1

172 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator Driver8494/5/6 Y1153A Attenuator ControlAll channel are operated in PAIRed mode.Item Descri

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 173Y1153A LED Connectors LED1 and LED2LED1 Connector LED2 ConnectorPin Use Pin Use Pin U

174 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1154AThe Y1154A supports one of the transfer switches listed below and up to six N18

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 175Y1154A ConnectionsLED ConnectorsTransfer SwitchConnectorsSwitch ConnectorsY1154A Swit

176 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1154A Switch connector SW3 Through SW8 (N181x) Pin 1Switch ConnectorDistribution Boa

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 17787222 Cable 9 Conductor Cable Y1154A Switch ControlAll channels are operated in PAIRe

Introduction to the L4400 Series LXI Instruments 1L4400 User’s Guide 7The L4400 instrument(s) can be mounted between any two adjacent EIA unit indicat

178 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1154A LED Connectors LED1 and LED2211516LED1 Connector LED2 ConnectorPin Use Pin Use

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 179Y1155AThe Y1155A provides screw terminal connections can support the Agilent switches

180 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1155A Switch Options SupportedRecommended options are shaded. Option Name Option Nu

LED ConnectorsScrew TerminalsL4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 181Y1155A Connections+VR is the Voltage source for the Rela

182 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverY1155A Switch ControlPaired Operations* * PAIRed operation must be configured manuall

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 183Y1155A LED Connectors LED1 and LED2211516LED1 Connector LED2 ConnectorPin Use Pin Use

184 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverSimplified Connection DiagramsSingle Drive With Separate Position Indicators The simp

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 185Paired Drive With Separate Position Indicators The simplified schematic below illustr

186 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverPaired Drive With Combined Position Indicators The simplified schematic below illustr

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 187Mounting the Remote ModulesThe figure below shows the dimensions of the remote module

i

8 L4400 User’s Guide1 Introduction to the L4400 Series LXI InstrumentsIf center- facing columns with holes are present on the frame, insert a clip- on

188 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverSCPI Programming ExamplesThese programming examples provide you with SCPI command exa

L4445A Microwave Switch/Attenuator Driver 7L4400 User’s Guide 189Example: Configuring a Single Drive ChannelThe following example illustrates the sequ

190 L4400 User’s Guide7 L4445A Microwave Switch/Attenuator DriverTHIS PAGE INTENTIONALLY BLANK

191Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies8 L4450A 64-Bit Digital I/O with Memory and Counter L4450A SCPI Command Summa

192 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterL4450A SCPI Command SummaryTable 8- 1 lists the instrument- specific SCPI com

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 193CONFigure:DIGital:HANDshake:SYNChronous:STRobe[:SOURce]? (@<ch_list>)

194 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and Counter(Digital I/O)[SENSe:]MODule:COUNter:GATE:THReshold[:VOLTage]  {<voltage&

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 195SOURce(Digital I/O)(External Clock Output)SOURce:DIGital:DATA[:{BYTE|1|WORD|2

196 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterCALCulate(Digital Pattern Compare)(Alarm Limit)(Measure-ment Statistics)(MX +

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 197ROUTe(Monitor)(Scanning)(Switch Control)(Sequence Operation)ROUTe:MONitor:DAT

Introduction to the L4400 Series LXI Instruments 1L4400 User’s Guide 9Install the Sliding ShelfFacing the rack, slide the shelf (item 7) onto the bott

198 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterFORMat(Scanning)FORMat:BORDer {NORMal|SWAPped}FORMat:BORDer?FORMat:READing:AL

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 199L4450A 64-Bit Digital I/O with Memory and CounterThe L4450A has 64- bits of g

200 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterBasic Digital I/O OperationsChannel Numbering and WidthThe digital channels a

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 201To read digital data with more control over the channel parameters, use the

202 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterYou can set a channel to output in either active drive or open collector conf

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 203This command sequence sets the first 8 bits (channel 101) to normal polarity

204 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterThe following handshake command sets the synchronous handshaking mode for the

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 205Synchronous Handshake ModeIn the synchronous handshake mode, a strobe or cloc

206 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterSynchronous Unbuffered Outputs For synchronous handshake unbuffered outputs,

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 207Synchronous Buffered Inputs You can use synchronous mode handshake with buff

10 L4400 User’s Guide1 Introduction to the L4400 Series LXI Instruments4. Install the second L4400 instrument (if present) in the shelf area adjacent

208 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterSynchronous Buffered Outputs You can use synchronous mode handshake with buf

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 209Optionally, you can provide an external strobe input on the H2 line to contro

210 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterBuffered I/O OperationsEach of the two banks on the L4450A has its own memory

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 211Set the number of times to output the trace. Each trace can be output once,

212 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterIf the trigger source has been set to one of the interrupt lines (see page pa

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 213Start the capture. The SENSe:DIGital:MEMory:STARt command sets the channel

214 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterThe SOURce:DIGital:INTerrupt:MODE command sets how the bank will behave when

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 215Byte OrderingWhen using buffered memory operations, the width of the data set

216 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterPattern MatchingPattern matching can be used on input channels only. Pattern

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 217Totalizer ModeTotalizer mode is the default operating mode for the counters.

Refer to Chapters 4-10 for information on Terminal Block wiring and connecting the terminal block to the instrument.Introduction to the L4400 Series L

218 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterInitiated Measurement ModeMeasurements such as frequency, period, duty cycle,

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 219SOUR:MOD:CLOC:FREQ? You can also set the logic “high” voltage level for exter

220 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and CounterAs viewed from the rear panel, the pins in each connector are numbered as sho

L4450A 64-Bit Digital I/O with Memory and Counter 8L4400 User’s Guide 221P2 (Bank 2) Connector Pin AssignmentsPin Signal Pin Signal Pin Signal Pin Sig

222 L4400 User’s Guide8 L4450A 64-Bit Digital I/O with Memory and Counter34950T Terminal BlockThe optional 34950T terminal block has screw type connec

223Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies9L4451A 4-Channel Isolated D/A Converter with Waveform MemoryL4451A 4-Channel

224 L4400 User’s Guide9 L4451A 4-Channel Isolated D/A Converter with Waveform MemoryL4451A 4-Channel Isolated D/A Converter with Waveform MemoryThe L4

L4451A 4-Channel Isolated D/A Converter with Waveform Memory 9L4400 User’s Guide 225The on- board memory provides storage for you to create up to 32

The line between external Trigger Out and external Trigger In is shared. You can use the external Trigger Out to provide the external Trigger In signa

L4451A 4-Channel Isolated D/A Converter with Waveform Memory 9L4400 User’s Guide 227(External Clock Output)SOURce:FUNCtion:CURRent:OFFSet {<offset

12 L4400 User’s Guide1 Introduction to the L4400 Series LXI InstrumentsRefer to Table 3- 1 (Chapter 3) for definitions of the LEDs (ATTN, LAN, PWR) on

228 L4400 User’s Guide9 L4451A 4-Channel Isolated D/A Converter with Waveform MemoryL4451A Example Program SegmentsThe programming examples below prov

L4451A 4-Channel Isolated D/A Converter with Waveform Memory 9L4400 User’s Guide 229Waveform ModeExample: Downloading a waveform to memory and output

230 L4400 User’s Guide9 L4451A 4-Channel Isolated D/A Converter with Waveform MemoryExternal ClockExample: Selecting an external clock source and sett

L4451A 4-Channel Isolated D/A Converter with Waveform Memory 9L4400 User’s Guide 231L4451A Simplified Block DiagramsThe following diagram shows how t

232 L4400 User’s Guide9 L4451A 4-Channel Isolated D/A Converter with Waveform MemoryThe following diagram shows individual DAC channel configuration.

L4451A 4-Channel Isolated D/A Converter with Waveform Memory 9L4400 User’s Guide 233L4451A D-Sub Connector Pinout343536 373839 40414243 44 454647 48

234 L4400 User’s Guide9 L4451A 4-Channel Isolated D/A Converter with Waveform Memory34951T Terminal Block Each terminal block is labeled with the mode

235Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies10L4452A Multifunction Module with DIO, D/A, and TotalizerL4452A Multifunction

236 L4400 User’s Guide10 L4452A Multifunction Module with DIO, D/A, and TotalizerL4452A Multifunction ModuleThe L4452A Multifunction Module with DIO,

L4452A Multifunction Module with DIO, D/A, and Totalizer 10L4400 User’s Guide 237L4452A SCPI Command SummaryTable 10- 1 lists the instrument- specifi

13Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies2Software Installation and ConfigurationInstalling the Agilent IO Libraries and

SOURce(Digital I/O)(DAC)SOURce:DIGital:DATA[:{BYTE|1|WORD|2|LWORd|4}] <data>, (@<ch_list>)SOURce:DIGital:DATA[:{BYTE|1|WORD|2|LWORd|4}]? 

(Scanning)(Channel Labeling)(Sequence Operation)ROUTe:CHANnel:DELay {<seconds>|MIN|MAX|DEF}, (@<ch_list>)ROUTe:CHANnel:DELay? [{MIN|MAX},

TRIGger(Scanning)(General)TRIGger:COUNt {<count>|MIN|MAX|DEF|INFinity}TRIGger:COUNt? [{MIN|MAX}]TRIGger:SOURce {IMMediate|BUS|EXTernal|ALARm1|AL

L4452A Multifunction Module with DIO, D/A, and Totalizer 10L4400 User’s Guide 241L4452A Example Program SegmentsThe following sections contain exampl

242 L4400 User’s Guide10 L4452A Multifunction Module with DIO, D/A, and TotalizerExample: Configuring the totalizer for count This command configures

L4452A Multifunction Module with DIO, D/A, and Totalizer 10L4400 User’s Guide 243L4452A Simplified Block DiagramDIO32 BitsTotalizerCount +Count -Cha

244 L4400 User’s Guide10 L4452A Multifunction Module with DIO, D/A, and TotalizerL4452A D-Sub ConnectorBIT19BIT12BIT13BIT14BIT15GNDBIT20BIT21BIT18BIT1

L4452A Multifunction Module with DIO, D/A, and Totalizer 10L4400 User’s Guide 24534952T Terminal Block Each terminal block is labeled with the model

246 L4400 User’s Guide10 L4452A Multifunction Module with DIO, D/A, and TotalizerTHIS PAGE INTENTIONALLY BLANK

Agilent TechnologiesAppendix AL4451A and L4452A Calibration ProceduresCalibration Procedures 248Agilent Technologies Calibration Services 248C

14 L4400 User’s Guide2 Software Installation and ConfigurationInstalling the Agilent IO Libraries and L4400 Instrument DriversCommunication and contro

248 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresCalibration Procedures This section contains performance verification and adjustment (

L4451A and L4452A Calibration Procedures AL4400 User’s Guide 249Time Required for Calibration The L4451A and L4452A can be automatically calibrated un

250 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresCalibration Security This feature allows you to enter a security code to prevent accid

L4451A and L4452A Calibration Procedures AL4400 User’s Guide 2516 Send the command CALibration:SECure:STATe ON to activate the new code and secure the

252 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresCalibration Process The following general procedure is the recommended method to compl

L4451A and L4452A Calibration Procedures AL4400 User’s Guide 253Performance Verification Tests Use the Performance verification tests to verify the pe

254 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresL4451A VerificationThe test connections for verifying the L4451A DAC output current an

HIIHIDMML4451A Terminal BlockOutput Voltage verificationLOLOtwist wiresL4451A and L4452A Calibration Procedures AL4400 User’s Guide 255Figure A-2. L44

256 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresVoltage Output Verification 1 With the DMM disconnected from the L4451A, set the DMM t

L4451A and L4452A Calibration Procedures AL4400 User’s Guide 257Table A-2. L4451A Output Current and Voltage Levels (cont’d).Output VoltageError From

Software Installation and Configuration 2L4400 User’s Guide 15Close all applications on your computer. Insert the Agilent Automation- Ready CD into th

258 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresVoltage Adjustments1 With the DMM disconnected from the L4451A, set the DMM to the 100

L4451A and L4452A Calibration Procedures AL4400 User’s Guide 259Table A-3. L4451A DAC Voltage Calibration Points.Calibration PointMinimum Expected Val

260 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresCALibration:BEGin:CURRent 1, (@1001)6 Measure the DAC output on the DMM. Subtract the

L4451A and L4452A Calibration Procedures AL4400 User’s Guide 261L4452A Multifunction ModuleVerification and calibration of the L4452A Multifunction Mo

262 L4400 User’s GuideA L4451A and L4452A Calibration Proceduresthis time. Otherwise, record the offset which will be subtracted from the subsequent v

L4451A and L4452A Calibration Procedures AL4400 User’s Guide 2634 Connect channel 6 of the L4452A to the DMM as shown in Figure A- 3. Set the DMM to m

264 L4400 User’s GuideA L4451A and L4452A Calibration ProceduresTHIS PAGE INTENTIONALLY BLANK

IndexL4400 User’s Guide 265Numerics34921Texternal reference, 108temperature sensor, 108terminal block, 10834945EXTbank numbering, 143description,

266 L4400 User’s GuideIndexdistribution boardY1150A (L4445A), 155Y1151A (L4445A), 159Y1152A (L4445A), 164Y1153A (L4445A), 169Y1154A (L4445A), 174

IndexL4400 User’s Guide 267L4433A simplified schematic (two-wire mode), 120L4433A terminal block (one-wire mode), 126L4433A terminal block (two-wire

16 L4400 User’s Guide2 Software Installation and ConfigurationFigure 2-2. L4400 Product Reference CD-ROM Software (Driver) MenuInstall the appropriate

268 L4400 User’s GuideIndexL4433A (two-wire mode), 121L4437A, 133L4450A, 218L4451A, 232L4452A, 244pollution degree, 2pollution degree definition

IndexL4400 User’s Guide 269L4445A, 149viewing alarm data, 87VISAexamples, 62VISA COMexamples, 62VM Complete, 83voltmeter complete, 83Wwarranty,

Software Installation and Configuration 2L4400 User’s Guide 17Configuring the L4400 InstrumentsInstrument configuration as applied to the L4400 series

iNotices© Agilent Technologies, Inc. 2011, 2012No part of this manual may be reproduced in any form or by any means (including electronic storage an

18 L4400 User’s Guide2 Software Installation and ConfigurationSecurity: a private network generally involves direct connections between the computer a

Software Installation and Configuration 2L4400 User’s Guide 19Private Network ConnectionsFigure 2- 3 shows typical LAN cable connections for a private

20 L4400 User’s Guide2 Software Installation and ConfigurationSite Network ConnectionsFigure 2- 4 shows typical LAN cable connections for a site netwo

Software Installation and Configuration 2L4400 User’s Guide 21Host Names Each L4400 instrument has a default host name. The format of the host name i

The procedure for using Agilent Connection Expert to locate and configure L4400 instruments is independent of the type of network you are using (priva

Explorer paneProperties paneSoftware Installation and Configuration 2L4400 User’s Guide 23Figure 2-6. Agilent Connection Expert (ACE) Opening Window.T

24 L4400 User’s Guide2 Software Installation and ConfigurationClicking on “Find Instruments” (Figure 2- 8) opens the search window. Clicking on “Find

Click either totest connectionNote serial number to identifymultiple instrumentsSoftware Installation and Configuration 2L4400 User’s Guide 25Figure 2

26 L4400 User’s Guide2 Software Installation and ConfigurationFigure 2-10. Configured Instruments added to LAN Network.Interactive IOThe Interactive I

Software Installation and Configuration 2L4400 User’s Guide 27 Select (highlight) instrumentSelect Interactive IO Figure 2-11. Selecting an Inst

ii Additional Safety NoticesThe following general safety precautions must be observed during all phases of operation of this instrument. Failure to c

28 L4400 User’s Guide2 Software Installation and Configuration*IDN?Agilent Technologies, L4421A, MY00012345, 0.12-0.04-0.00-0.00SYST:CTYP? 1Agilent T

Select the instrument /open the Web interfaceSoftware Installation and Configuration 2L4400 User’s Guide 29Figure 2-12. Opening the Instrument Web Int

30 L4400 User’s Guide2 Software Installation and ConfigurationAn example of the Web interface window is shown in Figure 2- 13.Figure 2-13. L4450A Web

Software Installation and Configuration 2L4400 User’s Guide 31On the Web “welcome page”, click ‘View and Modify Configuration’. This opens the configu

32 L4400 User’s Guide2 Software Installation and ConfigurationClicking ‘Modify Configuration’ opens the window shown in Figure 2- 15 which allows you

Software Installation and Configuration 2L4400 User’s Guide 33GPIB ConfigurationThe following information assumes the GPIB interface card has been ins

34 L4400 User’s Guide2 Software Installation and ConfigurationAdding Instruments to the GPIB ConfigurationHighlight the GPIB interface (GPIB0) and sel

Software Installation and Configuration 2L4400 User’s Guide 35Verifying the GPIB Path In the Agilent Connection Expert window, select and open ‘Intera

36 L4400 User’s Guide2 Software Installation and ConfigurationFigure 2-19. In this example, the GPIB address is set to 10.Figure 2-19. Setting the GPI

Software Installation and Configuration 2L4400 User’s Guide 37From the Agilent Connection Expert main window, highlight the instrument added and then

iiiDeclaration of ConformityDeclarations of Conformity for this product and for other Agilent products may be downloaded from the Internet. There ar

38 L4400 User’s Guide2 Software Installation and Configuration‘10’, you can send the *IDN? command and verify the response from the instrument. Figure

Software Installation and Configuration 2L4400 User’s Guide 39Firmware UpdatesFirmware updates for the L4400 series instruments consist of updates to

40 L4400 User’s Guide2 Software Installation and ConfigurationDownloading and Installing the Instrument FirmwareOnce the utility is saved, return to t

Software Installation and Configuration 2L4400 User’s Guide 41Click ‘Next’ until the window shown in Figure 2-22 appears.Figure 2-22. Firmware Update

42 L4400 User’s Guide2 Software Installation and Configuration3. Select the I/O interface to be used to upgrade the instrument firmware and then selec

Software Installation and Configuration 2L4400 User’s Guide 43The firmware update process takes several minutes. The instrument’s front panel ATTN ind

44 L4400 User’s Guide2 Software Installation and Configuration Figure 2-24. Instrument Firmware Update Complete.5. Once the carrier update AND instrum

Software Installation and Configuration 2L4400 User’s Guide 45Instrument Power-On and Default LAN Configuration StatesThe L4400 series instruments cov

46 L4400 User’s Guide2 Software Installation and ConfigurationTable 2-4. Default LAN Configuration Settings.LAN ParameterDefault (Reset) SettingDHCPON

47Agilent L4400 LXI Class C InstrumentsUser’s GuideAgilent Technologies3Operating and ProgrammingL4400 Instrument Front Panel Overview 48L4400 Ins

iv

48 L4400 User’s Guide3 Operating and ProgrammingL4400 Instrument Front Panel OverviewLXI instruments within the the L4400 family consist of the instru

Operating and Programming 3L4400 User’s Guide 49Table 3-1. L4400 LED Definitions and Instrument Status.LED ColorConditionATTNLANPWROffOffOffInstrument

50 L4400 User’s Guide3 Operating and ProgrammingL4400 Instrument Rear Panel OverviewThe rear panel of an L4400 series instrument is shown in Figure 3-

Operating and Programming 3L4400 User’s Guide 51See “Scanning with External Instruments” later in this chapter for information on how the analog bus i

52 L4400 User’s Guide3 Operating and Programminginstrument must be used when connecting the L4400 instrument directly (without a switch or router) to

Operating and Programming 3L4400 User’s Guide 53ROUTe is the root keyword of the command, MONitor is a second- level keywords, CHANnel is a third- lev

54 L4400 User’s Guide3 Operating and ProgrammingCommand SeparatorsA colon ( : ) is used to separate a command keyword from a lower- level keyword. A b

Operating and Programming 3L4400 User’s Guide 55Specifying Channel Lists and Scan ListsA command’s channel list (<ch_list>) or scan list (<sc

56 L4400 User’s Guide3 Operating and ProgrammingTable 3-3. L4400 Series SCPI Command Summary.SubsystemCommandsSTATus*CLS*ESE <enable_value>*ESE?

Operating and Programming 3L4400 User’s Guide 57IEEE-488 Commands*CLS*ESE <enable_value>*ESE?*ESR?*IDN?*OPC*OPC?*RCL {1|2|3|4|5}*RST*SAV {1|2|3|

L4400 User’s Guide vContents1 Introduction to the L4400 Series LXI InstrumentsInstrument Considerations 2Environmental Operating Conditions

58 L4400 User’s Guide3 Operating and ProgrammingSYSTem(LAN Configuration)SYSTem:COMMunicate:LAN:AUTOip {OFF|0|ON|1}SYSTem:COMMunicate:LAN:AUTOip?SYSTe

Operating and Programming 3L4400 User’s Guide 59L4400 Series Programming ExamplesThe L4400 series Product Reference CD- ROM (part number 34989- 13601)

60 L4400 User’s Guide3 Operating and ProgrammingC#Once the development environment opens, select the example source code file (.cs extension) of the

Operating and Programming 3L4400 User’s Guide 61Figure 3- 6 is an example of the window used during program execution to change the address string.ent

62 L4400 User’s Guide3 Operating and ProgrammingLocate “InitWithOptions” and change the address string as shown in the example of Figure 3- 7.change a

Operating and Programming 3L4400 User’s Guide 63Locate “DEFAULT_LOGICAL_ADDRESS” and change the address string as shown in the example of Figure 3- 8.

64 L4400 User’s Guide3 Operating and ProgrammingOnce the Visual Basic environment opens, start the program using the “Start” arrow shown in Figure 3-

Operating and Programming 3L4400 User’s Guide 65Because of the similarity in products, code and applications can be leveraged and ported between an L4

66 L4400 User’s Guide3 Operating and ProgrammingEnvironmental Operating ConditionsThe L4400 series instruments are designed to operate in a temperatur

Operating and Programming 3L4400 User’s Guide 67The lightning- caused transient overvoltages that may occasionally occur on mains power outlets may be

vi L4400 User’s Guide3 Operating and ProgrammingL4400 Instrument Front Panel Overview 48The LAN Reset Button 48The Front Panel LEDs 48L

68 L4400 User’s Guide3 Operating and Programming• The simulation setting is stored in volatile memory and will be lost when power is turned off. To re

Operating and Programming 3L4400 User’s Guide 69The following command clears all user- defined channel labels on the instrument and restores the facto

70 L4400 User’s Guide3 Operating and Programming• Each time you start a new scan, the instrument clears all readings (including alarm data) stored in

Operating and Programming 3L4400 User’s Guide 71• While the scan is running, you can perform low- level control operations on any channels on the digi

72 L4400 User’s Guide3 Operating and ProgrammingScan Trigger SourceUsage: • L4421A 40- Channel Armature Multiplexer• L4450A 64- Bit Digital I/O (digit

Operating and Programming 3L4400 User’s Guide 73• Mx+B scaling and alarm limits (L4450A, L4452A) are applied to measurements during a scan and all dat

74 L4400 User’s Guide3 Operating and ProgrammingScanning on AlarmUsage: • L4450A 64- Bit Digital I/O (counter channels only)• L4452A Multifunction Mod

Operating and Programming 3L4400 User’s Guide 75Note: To stop a scan, send the ABORt command.Externally Triggering a ScanIn this configuration, the in

76 L4400 User’s Guide3 Operating and Programming• You can store at least 500,000 readings in memory and all readings are automatically time stamped. I

Operating and Programming 3L4400 User’s Guide 77• You can specify a sweep count in conjunction with a trigger count and a sample count. The three para

L4400 User’s Guide viiUsing Sequences 89Defining a Sequence 90Querying the Sequence Definition 93Executing a Sequence 93Executing

78 L4400 User’s Guide3 Operating and ProgrammingFigure 3-12. Channel Delay.• You can set the channel delay to any value between 0 seconds and 60 sec

Operating and Programming 3L4400 User’s Guide 79Reading FormatUsage: • L4450A 64- Bit Digital I/O (digital input, counter channels only)• L4452A Multi

80 L4400 User’s Guide3 Operating and Programming• If you define a scan list with the sequential mode enabled and later disable the mode, the scan list

Operating and Programming 3L4400 User’s Guide 81• The Monitor mode is automatically enabled on all channels that are part of the active scan list. If

82 L4400 User’s Guide3 Operating and ProgrammingFigure 3-13. Scanning with External Instruments.Figure 3- 14 shows the connections required to make a

Operating and Programming 3L4400 User’s Guide 83This handshake sequence continues until all channels are scanned and the programmed number of passes (

84 L4400 User’s Guide3 Operating and Programming• You can configure the list of channels for 4- wire external scanning. When enabled, the instrument a

Operating and Programming 3L4400 User’s Guide 85• If an alarm event occurs on a channel as it is being scanned, then that channel’s alarm status is st

86 L4400 User’s Guide3 Operating and Programming• Two TTL alarm outputs are available on the rear- panel Alarms connector (Figure 3- 4). You can use t

Operating and Programming 3L4400 User’s Guide 87Select EQUal to generate an alarm when the data read from the port is equal to CALC:COMP:DATA after b