Contents

Part 1 General Information

1 Introduction to Programming

Talking to the Instrument 1–3

Initialization 1–4
Instruction Syntax 1–5
Output Command 1–5
Device Address 1–6
Instructions 1–6
Instruction Terminator 1–7
Header Types 1–8
Duplicate Keywords 1–9
Query Usage 1–10
Program Header Options 1–11
Parameter Data Types 1–12
Selecting Multiple Subsystems 1–14

Receiving Information from the Instrument 1–15

Response Header Options 1–16
Response Data Formats 1–17
String Variables 1–18
Numeric Base 1–19
Numeric Variables 1–19
Definite-Length Block Response Data 1–20
Multiple Queries 1–21
Instrument Status 1–22

2 Programming Over GPIB

Interface Capabilities 2–3
Command and Data Concepts 2–3
Addressing 2–3
Communicating Over the GPIB Bus (HP 9000 Series 200/300 Controller) 2–4
Local, Remote, and Local Lockout 2–5
Bus Commands 2–6
Contents–1