Agilent Technologies Agilent 3499A User Manual

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Chapter 8 Application Programs
VB.net Example Program
4
8
'This example closes/opens multiple switches within a 4x4 Matrix.
'The switches can be controlled within one command line or listed
'separtely.
Private Sub Closebtn_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Closebtn.Click
myDirectIO.WriteLine("CLOS (@120,123)")
End Sub
Private Sub Openbtn_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Openbtn.Click
myDirectIO.WriteLine("OPEn (@120)")
myDirectIO.WriteLine("OPEn (@123)")
End Sub
'Digital Input/Output - on power up or after Reset all Digital I/O
'ports in the 3499 will be input ports. Mode 1 is default mode.
Private Sub DigIObtn_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles DigIObtn.Click
myDirectIO.WriteLine("SENSE:DIGITAL:DATA:BYTE:VALue? 140")
'Read the Digital Input results 8 bits (1 byte), binary value is
'displayed.
Dim Digitalin As String
Digitalin = myDirectIO.Read()
TextBox2.Text = Digitalin
End Sub
'Create and execute a scan list
Private Sub Scanbtn_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Scanbtn.Click
myDirectIO.WriteLine("SCAN (@200:209,220:225)")
myDirectIO.WriteLine("INIT")
myDirectIO.WriteLine("SCAN:LIST?")
Dim Scanresults As String
Scanresults = myDirectIO.Read()
Scanlst.Text = Scanresults
End Sub
End Class

Agilent Technologies Agilent 3499A Specifications

General

Brand	Agilent Technologies
Model	Agilent 3499A
Category	Control Systems
Language	English

Summary

Chapter 1 Quick Start

Preparing the Instrument for Use

Essential steps for initial setup, including checking supplied items and powering on the instrument.

Installing Plug-in Modules

Procedure for installing and removing modules into the mainframe, including safety precautions.

Chapter 2 Front-Panel Operation

Powering On and Monitoring Instrument Status

How to turn on the instrument and monitor channel or slot status.

Scanning Operation and List Management

Steps to create, perform, and clear scan lists for automated measurements.

Instrument Error Handling and Self-Test

How to view instrument errors and perform a self-test for verification.

Chapter 3 System Overview

Channel and Slot Addressing Scheme

Explanation of how channels and slots are addressed for programming.

Chapter 4 Features and Functions

Relay Channel Switching and Multiplexer Configuration

How to switch relay channels and configure multiplexer modules.

Scanning Operation Details

Chapter 5 Remote Interface Reference

SCPI Command Syntax and Conventions

Module-Specific and Scanning Commands

Chapter 6 Error Messages

Execution and Instrument Error Codes

Self-Test Error Descriptions

Chapter 9 Specifications

3499A/B/C Mainframe Specifications