Table Of Contents - Agilent Technologies 54621A Programmer's Manual

Contents
1 Introduction to Programming
Talking to the Instrument 1-3
Program Message Syntax 1-4
Combining Commands from the Same Subsystem 1-7
Duplicate Mnemonics 1-8
Query Command 1-9
Program Header Options 1-10
Program Data Syntax Rules 1-11
Program Message Terminator 1-13
Selecting Multiple Subsystems 1-14
2 Programming Getting Started
Initialization 2-3
Autoscale 2-4
Setting Up the Instrument 2-5
Example Program 2-6
Using the DIGitize Command 2-7
Receiving Information from the Instrument 2-9
String Variables 2-10
Numeric Variables 2-11
Definite-Length Block Response Data 2-12
Multiple Queries 2-13
Instrument Status 2-13
3 Programming over GPIB
Interface Capabilities 3-3
Command and Data Concepts 3-3
Addressing 3-4
Communicating Over the Bus 3-5
Lockout 3-6
Bus Commands 3-6
4 Programming over RS-232-C
Interface Operation 4-3
Cables 4-3
Minimum Three-Wire Interface with Software Protocol 4-4
Extended Interface with Hardware Handshake 4-5
Configuring the Interface 4-6
Interface Capabilities 4-7
Lockout Command 4-8
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