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Measurement Computing Serial488/4 User Manual

Page 74

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Section 4

IEEE 488 Primer

4.3

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DIO1-8

DAV

NRFD

NDAC

IFC

ATN

SRQ

REN

EOI

To Other Devices

Device 1

System Controller

Able to Talk,

Listen, and Control

Device 2

DMM

Able to Talk

and Listen

Device 3

Printer

Only Able to Listen

Device 4

Frequency Counter

Only Able to Talk

Data Bus

Data Byte

Transfer

Control

General

Interface

Management

IEEE 488 Bus Structure

Figure 4.1

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