Chroma 6460 - The Commands of the AC Source; Common Command Dictionary

Programmable AC Source 6460/6463/6490 User’s Manual
5-6
can be sent without error.
The following commands are coupled : VOLTage, : RANGe.
5.6 The Commands of the AC Source
This subsection is going to talk about the syntax and parameters for all commands of the AC
source. The examples given for each command are generic.
Syntax Forms Definitions of syntax are in long form headers, whereas only short form
headers appear in examples.
Parameters Most commands require a parameter, and all queries return a
parameter.
Models If a command is merely applied to specific models, these models will
be listed in the Model only entry. If there is no Model only entry, the
command will be applied to all models.
5.6.1 Common Command Dictionary
Common commands begin with a “ * ”, and consist of three letters and/or one “ ? ” (query).
Common commands and queries are listed alphabetically.
*CLS, Clear Status Command
Description: This command clears all Event registers summarized in the status byte (Standard
Event status register, Questionable Status Event register), and clears the error
queue. If the *CLS command immediately follows a program message
terminator, the output queue and the MAV bit are also cleared.
Syntax: *CLS
Parameters: None
*ESE<n> Standard event status enabled
This command programs the Standard Event register bits. If one or more
of the enabled events of the Standard Event register is set, the ESB of Status
Byte Register is set too.
Bit Configuration of Standard Event Status Enabled Register
Bit Position
7
6
5
4
3
2
1
0
Bit Name
PON
- - -
CME
EXE
DDE
QYE
- - -
OPC
CME = Command error DDE = Device-dependent
error
EXE = Execution error OPC = Operation complete
PON = Power-on QYE = Query error
*ESE? Return standard event status enabled
The query reads the Standard Event Status Event register.