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A-ieee 488 bus commands, Ieee 488 bus commands – Measurement Computing TempScan/1100 User Manual

Page 260

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B-2 IEEE 488, Serial, & ASCII

889597

TempScan/MultiScan,

Appendix

B

…… A-

IEEE 488 Bus Commands

Bus State

IEEE 488 Bus Command

Data Transfer (DIO) Lines

(ATN is asserted “1”)

8

7

6

5

4

3

2

1

DCL

Device Clear

0 0 0 1 0 1 0 0

GET

Group Execute Trigger ($08)

0 0 0 0 1 0 0 0

GTL

Go To Local ($01)

0 0 0 0 0 0 0 1

LAG

Listen Address Group ($20-3F)

0 0 1 a d d r n

LLO

Local Lock Out ($11)

0 0 0 1 0 0 0 1

MLA

My Listen Address

0 0 1 a d d r n

MTA

My Talk Address

0 1 0 a d d r n

PPC

Parallel Poll Config

0 1 1 0 S P2

P1

P0

PPD

Parallel Poll Disable ($07)

0 0 0 0 0 1 1 1

PPU

Parallel Poll Unconfig ($15)

0 0 0 1 0 1 0 1

SCG

Second. Cmd. Group ($60-7F)

0 1 1 c o m m d

SDC

Selected Device Clear ($04)

0 0 0 0 0 1 0 0

SPD

Serial Poll Disable ($19)

0 0 0 1 1 0 0 1

SPE

Serial Poll Enable ($18)

0 0 0 1 1 0 0 0

TAG

Talker Address Group ($40-5F)

0 1 0 a d d r n

TCT

Take Control ($09)

0 0 0 0 1 0 0 1

UNL

Unlisten ($3F)

0 0 1 1 1 1 1 1

UNT

Untalk ($5F)

0 1 0 1 1 1 1 1

Hexadecimal & Decimal Values

Hexadecimal Value

$80

$40

$20

$10

$08

$04

$02

$01

Decimal Value

128

064

032

016

008

004

002

001

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