IOtech MultiScan 1200, User Manual

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340 Appendix TempScan / MultiScan User's Manual
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