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Chapter 4
HP E1368A/69A/70A Command Reference
Using This Chapter
This chapter describes Standard Commands for Programmable Instruments
(SCPI) commands and summarizes IEEE 488.2 Common (*) Commands
applicable to the Microwave Switch. See the HP 75000 Series B
Mainframe HP E1300A/E1301A User’s Manual or the HP 75000 Series C
HP E1406 User’s Manual for additional information on SCPI and common
commands. This chapter contains the following sections:
• Command Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 47
• SCPI Command Reference . . . . . . . . . . . . . . . . . . . . . . . . . . Page 50
• IEEE 488.2 Common Commands . . . . . . . . . . . . . . . . . . . . . Page 70
• Command Quick Reference. . . . . . . . . . . . . . . . . . . . . . . . . . Page 71
Command Types
Commands are separated into two types: IEEE 488.2 Common Commands
and SCPI Commands.
Common
Command Format
The IEEE 488.2 standard defines the Common Commands that perform
functions like reset, self-test, status byte query, etc. Common Commands
are four or five characters in length, always begin with the asterisk character
(*), and may include one or more parameters. The command keyword is
separated from the first parameter by a space character. Some examples of
Common Commands are sh`own below:
*RST *ESR 32 *STB?
SCPI Command
Format
SCPI commands perform functions like closing switches, making
measurements, querying instrument states, or retrieving data. A subsystem
command structure is a hierarchical structure that usually consists of a top
level (or root) command, one or more lower level commands, and their
parameters. The following example shows part of a typical subsystem:
[ROUTe:]
CLOSe <
channel_list>
SCAN <
channel_list>
:MODE?
[ROUTe:] is the root command, CLOSe and SCAN are second level
commands with parameters, and
:MODE? is a third level command.
Chapter 4 HP E1368A/69A/70A Command Reference 47