Models 2500 and 2502 User’s Manual IEEE-488 Bus Overview D-13
IEEE command groups
Command groups supported by the Model 2500 are listed in Table D-5. Common com-
mands and SCPI commands are not included in this list.
Table D-5
IEEE command groups
HANDSHAKE COMMAND GROUP
NDAC = NOT DATA ACCEPTED
NRFD = NOT READY FOR DATA
DAV=DATA VALID
UNIVERSAL COMMAND GROUP
ATN=ATTENTION
DCL = DEVICE CLEAR
IFC = INTERFACE CLEAR
REN = REMOTE ENABLE
SPD = SERIAL POLL DISABLE
SPE = SERIAL POLL ENABLE
ADDRESS COMMAND GROUP
LISTEN
TALK
LAG = LISTEN ADDRESS GROUP
MLA = MY LISTEN ADDRESS
UNL = UNLISTEN
TAG=TALK ADDRESS GROUP
MTA = MY TALK ADDRESS
UNT = UNTALK
OTA=OTHER TALK ADDRESS
ADDRESSED COMMAND GROUP
ACG=ADDRESSED COMMAND GROUP
GTL = GO TO LOCAL
SDC = SELECTIVE DEVICE CLEAR
STATUS COMMAND GROUP
RQS = REQUEST SERVICE
SRQ = SERIAL POLL REQUEST
STB = STATUS BYTE
EOI = END
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