User’s Guide
 Manual Part Number
 Additional Safety Notices
General
 Declaration of Conformity
 Contents
 Using the Alarm Output Lines
Operating and Programming
 Low Frequency Multiplexer Switch Instrument
Matrix Switch Instrument
 L4437A Simplified Schematic
34937T Terminal Block
 Digital Input/Output
Totalizer Input
 L4451A and L4452A Calibration Procedures
Channel Isolated DAC Module
 Introduction to the L4400 Series LXI Instruments
 Instrument Considerations
Environmental Operating Conditions
L4400 Series LXI Instrument Voltage Ratings
 High Energy Sources
Electrical Operating Conditions
Transients
Module inputs
 Interconnection Solutions Overview
Ordering Information
 Bench-Top Operation
Rack Mounting Kit Contents
Bench-Top Operation and Instrument Rack Mounting
Rack Mounting
 Procedure
Y1160A Instrument Rack Mount Kit L4400 Series
 Install the Shelf Rails
Access to the cabinet’s vertical columns is desired
 Rack Column and Shelf Rail Orientation
 Install the Sliding Shelf
Install Instruments on the Shelf
 Connecting the Terminal Block Support Sleeve
Connecting the terminal block to the instrument
 Agilent L4400 Series Instrument Input Power Specifications
Applying Power
Connecting the Power Cord and Turning On the Instrument
Connect the Shelf to the Rack Frame
 Location of the L4400 Series Instrument Power Button
 Software Installation and Configuration
 Installing the Agilent IO Libraries
Agilent IO Libraries Suite System Requirements
 Installing the L4400 Instrument Drivers
Installing the L4400 Instrument Drivers
Agilent Visa with Another Vendor’s Visa
 L4400 Product Reference CD-ROM Software Driver Menu
L4400 Programming Environments and Recommended Drivers
 Configuring the L4400 Instruments
Selecting a LAN Network
Private LAN Considerations
 Connecting the LAN Cables
Site LAN Considerations
 Private Network Connections
Typical Private LAN Network Connections
 IP Addresses and Host Names
Site Network Connections
 Configuring the LAN Interface
Computer Configuration
Instrument Addressing
 Locating the Instruments
Libraries Suite Getting Started
 Agilent Connection Expert ACE Opening Window
 Adding and Configuring the Instruments
Manually using the IP addresses
 Verifying a Communication Path to the Instrument
 10. Configured Instruments added to LAN Network
Interactive IO
 Identifying the Instruments
11. Selecting an Instrument and Starting Interactive IO
 Using the Instrument Web Interface
IDN?
 12. Opening the Instrument Web Interface
 Editing the Instrument’s LAN Settings
13. L4450A Web Interface Welcome
 L4400 User’s Guide
 LAN Configuration Command Summary
Help contents
 Gpib Configuration
Connecting the Gpib Cables
Starting Agilent Connection Expert
 Adding Instruments to the Gpib Configuration
16. Adding Instruments to the Gpib Interface
 Gpib Address String
Verifying the Gpib Path
Changing the Gpib Address
 19. Setting the Gpib Address Using the Interactive IO Window
 20. Changing the Gpib Address within Configuration Expert
Verifying the new Gpib Path
 21. Connecting to Gpib Address 10 using Interactive IO
Adding Additional Instruments
 Firmware Updates
Downloading the Update Utility and Firmware
Installing the Firmware Update Utility
 Downloading and Installing the Instrument Firmware
FirmwareUpdateUtility.exe
 22. Firmware Update Utility Firmware File Selection
Update each instrument
 23. Selecting the Instrument Interface
 Current sub-assembly firmware revision is incompatible with
Updated carrier firmware
 24. Instrument Firmware Update Complete
 Instrument Power-On and Default LAN Configuration States
LAN Reset Default Configuration
L4400 Instrument Power-on and Preset States
 Default LAN Configuration Settings
LAN Parameter Default Reset Setting
 Operating and Programming
 LAN Reset Button
L4400 Instrument Front Panel Overview
Front Panel LEDs
 L4400 LED Definitions and Instrument Status
Color Condition
 L4400 Instrument Rear Panel Overview
Analog Bus Port
 Alarm Usage
Ext Trig/Alarms/DIO Port
Gpib Connector
LAN Port
 Introduction to the Scpi Command Language
L4400 Series Channel Addressing Scheme
L4400 Series Channel Addressing Examples
 Braces and Vertical Bars
Syntax Conventions
Keywords
Brackets
 Querying Parameter Settings
Command Separators
Using the MIN and MAX Parameters
Linking Commands
 L4400 Scpi Command Summary
Specifying Channel Lists and Scan Lists
 L4400 Series Scpi Command Summary
MEMory
 Commands
IEEE-488
 LAN Configuration
SYSTem
 L4400 Series Programming Examples
Modifying IVI-COM Examples .NET
 Visual Basic.NET
Changing the Instrument Address String IVI-COM Programs
 Modifying IVI-C Examples
Visual Basic
 Modifying Visa and Visa COM Examples
Changing the Instrument Address String IVI-C Programs
 Visa COM Examples
Change address string Double-click to view source code
 Using L4400 Instruments in Agilent 34980A Applications
Agilent L4400 Series and 34980A Module Cross Reference
 Analog Bus Applications
Porting Applications
Usage
 Occurs. The pollution has no influence on insulation IEC
2nd Edition
 Safety Interlock
 User-Defined Channel Labels
All L4400 series instruments
 Scanning Applications
Rules for Scanning
 Make- before- break fashion
 Creating the Scan List
 Scan Trigger Source
Interval Scanning
 Manual Scanning
 Scanning on Alarm
Alarm Limits on
 Trigger Count
Externally Triggering a Scan
 11. Sweep Count Diagram
Sweep Count
 Channel Delay
L4421A 40- Channel Armature Multiplexer
 12. Channel Delay
 Reading Format
Non-Sequential Scanning
 Monitor Mode
 Scanning with External Instruments
 Input
Channels
Common Terminals
 14. External Scanning Using the L4421A and a DMM
 Alarm Limits
Initiate the scan close first channel
 FORMatREADingTIMETYPE command setting
 OUTPutALARm12SOURce @chlist
 Viewing Stored Alarm Data
Enable pattern compare mode
 Using the Alarm Output Lines
15. The L4400 Series Rear Panel Alarm Connector
 Using Sequences
Clear Both alarm outputs
 Defining a Sequence
L4421A / L4433A
L4437A
 L4451A
L4445A
L4450A
L4452A
 Routseqdef MYSEQ1,ROUTCLOS @10011009OPEN @1001
 Querying the Sequence Definition
Executing a Sequence
 Executing a Sequence on an Alarm Condition
 Deleting Sequences
Reading the List of Stored Sequences
 Instrument State Storage
 Error Conditions
 Relay Cycle Count
Calibration Overview
 L4421A 40-Channel Armature Multiplexer
 Low Frequency Multiplexer Switch Instrument
L4421A Measurement Functions
 Subsystem Commands ROUTe
L4421A Scpi Command Summary
L4421A Scpi Command Summary
L4421A Supported Measurement Functions
 Switch Control
SENSe
 Opening and Closing Channels
DIAGnostic
L4421A Example Program Segments
TRIGger
 Querying and Clearing Cycle Count, and Resetting Modules
L4421A 40-Channel Armature Multiplexer Hardware Description
 Simultaneously
 L4421A Simplified Schematic
Bank Relays Armature latching
 L4421A D-Sub Connectors
Bank
 This means that when an installed module is exposed
34921T Terminal Block
Further information
 34921T Terminal Block
 This page Intentionally Blank
 Matrix Switch Instrument L4433A Scpi Command Summary
L4433A Dual/Quad 4x8 Reed Matrix
 Matrix Switch Instrument
Sub connectors
 L4433A Scpi Command Summary
L4433A Scpi Command Summary
 SYSTemMODuleWIREMODE WIRE1,1
L4433A Example Program Segments
 Although the previous two examples show the same channel
Derivation
Buses
 Reading Cycle Count and Resetting the Power-On State
Linking Multiple L4433A Instruments
Mode
 L4400 User’s Guide 117
 Two-Wire Mode
L4433A Dual/Quad 4x8 Reed Matrix Hardware Description
 One-Wire Mode
 L4433A Simplified Schematic for Two-Wire Mode
Matrix
 L4433A D-Sub Connectors for Two-Wire Mode
Matrix
 34933T-001 Terminal Block for Two-Wire Mode
Doesnt match the present module configuration
112 for further information
 L4400 User’s Guide 123
 L4433A Simplified Schematic for One-Wire Mode
Channel
 Matrices 1
Matrices 3
 34933T-002 Terminal Block for One-Wire Mode
 L4437A General Purpose Switch
 General Purpose Switch Instrument
WA RN I N G
 A Relay Power-Down State Jumper
 L4437A Scpi Command Summary
L4437A Scpi Command Summary
 Reading Cycle Count and Resetting Modules to Power-On State
L4437A Example Program Segments
Reading Jumper State and System Identity
 L4437A Simplified Schematic
Threshold of 70 oC
 L4437A D-Sub Connectors
Channel Pin Pins
 34937T Terminal Block
L4437A Terminal Block
 Microwave Switch/Attenuator Driver
 L4445A Scpi Command Summary
L4445A Scpi Command Summary
 L4400 User’s Guide 137
 L4445A Microwave Switch/Attenuator Driver
 L4445A Microwave Switch / Attenuator Driver Configuration
 34945EXT Module
Electro-static discharge
 Recommended Switches and Attenuators
 Power Supplies
Power Consumption
 Channel Numbering
1remchannel
 Simple Switch Control
You must turn off the channel drive before sending
Channel drive back on
 Remote Module Identifiers
Drive Modes
 Using Single Drive Switches and Attenuators
Using Continuous Drive
Continuous Drive Current
 Using Dual Drive Switches and Attenuators
Pairing Channels
 Using Pulse Drive
Channels must have verification enabled
 Verifying Switch State
Long Execution Times
 150
 LED Drive
LEDs will not operate
 Default and Reset States
SYSTemRMODuleRESet
 SYSTemPRESet, *RST, SYSTemCPON and Power On
ROUTeRMODuleBANKPRESet
Default state of OPEN, no action is taken on these channels
 Distribution Boards
 Y1150A Switch Options Supported
Y1150A
 Y1150A Switch Connectors SW1 Through SW8
Y1150A Connections
 Y1150A Switch Control
Cable Wiring
 Y1150A LED Connectors LED1 and LED2
 Y1151A Switch Options Supported
Y1151A
 Y1151A Switch Connector SW1 and SW2
Y1151A Connections
 L4400 User’s Guide 161
 Y1151A Switch Control
All channels are single drive
 Y1151A LED Connectors LED1 and LED2
 Y1152A Switch Options Supported
Y1152A
 Y1152A Connections
 Y1152A Switch Connector SW2 and SW3 N181x
+VR
 Y1152A Switch Control
Conductor Cable
 Y1152A LED Connectors LED1 and LED2
 Y1153A
Y1153A Attenuator Options Supported
84904/5/6/7/8
 Y1153A Connections
8494/5/6
 Y1153A Attenuator connector P101 and P102 84904/5/8
Connections to the attenuators. You should not use both
 Individual sections switched
When all channels open at reset maximum attenuation is set
Y1153A Attenuator Control
 Y1153A LED Connectors LED1 and LED2
 Y1154A Switch Options Supported
Y1154A
 Y1154A Switch connector SW1 and SW2
Y1154A Connections
 Y1154A Switch connector SW3 Through SW8 N181x
 Y1154A Switch Control
Cable
 Y1154A LED Connectors LED1 and LED2
 When using the Y1155A, the ROUTeRMODuleBANKPRESet
Operations of these switch systems
Y1155A
 Y1155A Switch Options Supported
Capacity limitations EXT limits total switch
 876x Switches
Y1155A Connections
 Y1155A Switch Control
Paired Operations
Unpaired Operations
 Y1155A LED Connectors LED1 and LED2
 Simplified Connection Diagrams
Single Drive With Separate Position Indicators
 Paired Drive With Separate Position Indicators
 Paired Drive With Combined Position Indicators
 Mounting the Remote Modules
 Example Configuring an Agilent N1810UL
Example Configuring a Paired Drive Channel
Scpi Programming Examples
 Example Configuring a Single Drive Channel
 190
 Handshaking
Pattern Matching Counter Clock
 L4450A Scpi Command Summary
L4450A Scpi Command Summary
CONFigure
 MEASure
 Digital
 SOURce
TRACe
 Alarm Limit
CALCulate
 Monitor
OUTPut
 FORMat
SWEep
 L4450A 64-Bit Digital I/O with Memory and Counter
Bank
Bank
 Basic Digital I/O Operations
Channel Numbering and Width
Reading Digital Data
 Writing Digital Data
 Channel Width and Polarity, Threshold, Level, and Drive
Not exceed 5
 Handshaking
Output
 Setting the Handshake Line Parameters
Apply to the bank’s interrupt line
 Synchronous Handshake Mode
 H0 Direction Data Out
 L4400 User’s Guide 207
 208
 L4400 User’s Guide 209
 Buffered I/O Operations
Buffered Memory Output
 Data line polarity
 Deleting Traces
Buffered Memory Input
 Interrupt Lines
Memory Output Operations
 Byte Ordering
Memory Input Operations
Apply to the bank’s handshake lines
 Pattern Matching
 Totalizer Mode
Counter
 Initiated Measurement Mode
Ext Gate Input Init
 L4450A D-Sub Connectors
Clock
P1 Bank P2 Bank
 P1 Bank 1 Connector Pin Assignments
 P2 Bank 2 Connector Pin Assignments
 34950T Terminal Block
L4450A Terminal Block
 222
 34951T Terminal Block
 Recommended that you use remote-sensing. However, if
Remote-sensing terminals H Sense and L Sense
 Signal. However, both a user-supplied external clock
Module’s Clock Out cannot drive the line at the same time
 L4451A Scpi Command Summary
L4451A Scpi Command Summary
 L4400 User’s Guide 227
 Level Mode
L4451A Example Program Segments
 Waveform Mode
 External Clock
Configuring a DAC Module
Using this command will erase any downloaded waveforms
External Trigger
 L4451A Simplified Block Diagrams
34951A Module User-Supplied Connections
 L4451A D-Sub Connector Pinout
DAC
 34951T Terminal Block
L4451A Terminal Block
 234
 L4452A Multifunction Module with DIO, D/A, and Totalizer
L4452A Multifunction Module
 Digital Input/Output
Enabled state, effectively creating a gate always condition
L4452A Multifunction Module
Totalizer Input
 L4452A Scpi Command Summary
L4452A Scpi Command Summary
 Measurement
 L4400 User’s Guide 239
 Data
 L4452A Example Program Segments
Digital Input/Output
Totalizer
 Querying and Resetting the L4452A
DAC Output
 L4452A Simplified Block Diagram
Totalizer
 L4452A D-Sub Connector
 34952T Terminal Block
L4452A Terminal Block
 246
 Calibration Message Calibration Count
Multifunction Module
 Adjustment is Recommended
Calibration Procedures
Agilent Technologies Calibration Services
Calibration Interval
 Recommended Test Equipment
Automating Calibration Procedures
Time Required for Calibration
Table A-1. Recommended Test Equipment
 Following the procedure below
Calibration Security
 Calibration Message
Calibration Count
 Until a complete re-adjustment has been performed
Calibration Process
Aborting a Calibration in Progress
 Performance Verification Tests
L4451A and L4452A Performance Test Considerations
L4451A 4-Channel Isolated DAC Module
 L4451A Verification
Output current verification
 Analog Output Verification Test
Current Output Verification
Output Voltage verification
 Table A-2. L4451A Output Current and Voltage Levels
Error From Nominal
Voltage Output Verification
90 day
 Analog Output Adjustments
Table A-2. L4451A Output Current and Voltage Levels cont’d
 Voltage Adjustments
CALibrationSECureSTATe 0, code
 Current Adjustments
Table A-3. L4451A DAC Voltage Calibration Points
 CALibrationBEGinCURRent 1, @1001
Table A-4. L4451A DAC Current Calibration Points
 L4452A Multifunction Module
L4452A Verification
DAC Output Verification Test
 DAC Output Adjustment
Table A-5. L4452A Output Voltage Levels Channels 6
 CALibrationBEGinVOLTage 1, @1006
 This page Intentionally Blank
 Numerics
 Gpib
 L4400 User’s Guide 267
 Visual Basic 6.0
 L4400 User’s Guide 269