Table D-3 Typical Addressed Command Sequence; Table D-4 Typical Common Command Sequence - Keithley 6517A User Manual

Table D-2
Hexadecimal and decimal command codes
Command
GTL
SDC
GET
LLO
DCL
SPE
SPD
LAG
TAG
SCG
UNL
UNT
Table D-3
Typical addressed command sequence
Step Command
1 UNL
2 LAG*
3 SDC
4
*Assumes primary address = 27.
Table D-4
Typical common command sequence
Step Command
1 UNL
2 LAG*
3 Data
4 Data
5 Data
6 Data
*Assumes primary address = 27.
Decimal
Hex value value
01 1
04 4
08 8
11 17
14 20
18 24
19 25
20-3F 32-63
40-5F 64-95
60-7F 96-127
3F 63
5F 95
ATN state ASCII
Set low ?
Stays low ;
Stays low EOT
Returns high
ATN state ASCII
Set low ?
Stays low ;
Set high *
Stays high R
Stays high S
Stays high T
IEEE-488 Bus Overview
Data bus
Hex Decimal
3F 63
3B 59
04 4
Data bus
Hex Decimal
3F 63
3B 59
2A 42
52 82
53 83
54 84
D-7