Keithley 263 User Manual

APPENDIX F
Table F-3. Typical Addressed Command Sequence Table F-5. IEEE Command Group
Data Bus
Step Command ATN State ASCII 1 Hex] Decimal
7 UNL
Set low ? 3F
63
i
LAG* stays low
SDC stays low
4 Returns high
*Assumes primary address = 8.
Table F-4. Typical Device-Dependent Command
Sequence
Step Command ATN State
1 UNL
Set low
: LAG* Data
stays Set low
high
4 Data
Stays high
5 Data
Stays high
Data Bus
ASCII Hex Decimal
? 3F 63
F ( 52 28 40 82
0 30 48
X 58 88
*Assumes primary address = 8.
HANDSHAKE COMMAND GROUP
DAC=DATA ACCEPTED
RFD=READY FOR DATA
DAV=DATA VALID
UNIVERSAL COMMAND GROUP
ATN=ATTENTION
DCL=DEVICE CLEAR
IFC=INTERFACE CLEAR
LLO=LOCAL LOCKOUT
REN=REMOTE ENABLE
Sl’D=SERIAL POLL DISABL
SPE=SERlAL POLL ENABLE
ADDRESS COMMAND GROUP
LISTEN: LAG=LISTEN ADDRESS GROUP
MLA=MY LISTEN ADDRESS
UNL=UNLISTEN
TALK: TAG=TALK ADDRESS GROW
MTA=MY TALK ADDRESS
UNT=UNTALK
OTA=OTHER TALK ADDRESS
ADDRESSED COMMAND GROUP
ACG=ADDRESSED COMMAND GROUP
GTL=GO To LOCAL
SDC=SELECTWE CLEAR
STATUS COMMAND GROUP
RQS=REQUEST SERVICE
SRQ=SERIAL POLL REQUEST
STB=STATUS BYTE
EOI=END
F-6

Keithley 263 Specifications

General

Brand	Keithley
Model	263
Category	Test Equipment
Language	English