Types of Commands
Device-Dependent Commands
Commands unique to 5520A.
Common Commands
Commands defined by the IEEE 488.2 standard.
Query Commands
Commands ending with a ?.
Compound Commands
Two or more commands in a single command line.
Coupled Commands
Commands that could interfere with each other.
Overlapped Commands
Commands requiring more time to execute.
Sequential Commands
Commands that execute immediately.
Commands for RS-232 Only
IEEE-488
GTL
GTR
LLO
SRQ
SDC, DCL
GET
SPE, SPD
Also: SP_SET
SP_SET?
RS-232 Equivalent
LOCAL command
REMOTE command
LOCKOUT command
SRQSTR command
^C (<Ctrl> C) character [clear the
device]
^T (<Ctrl> T) character [execute a
group trigger]
^P (<Ctrl> P) character [print the
serial poll string]
SPLSTR
SPLSTR?
3
SRQSTR
SRQSTR?