Esr; Idn - Tektronix Keithley 2281 Series Reference Manual

Section 7: SCPI command reference

*ESR?

This command reads the contents of the Standard Event Status Register (SESR).
Type
Query only
Usage
*ESR?
Details
The instrument returns a decimal value that corresponds to the binary-weighted sum of all bits set in
the register and clears the Standard Event Status Register.
Example
*ESR?
Also see
*ESE (on page 7-3)
Status model

*IDN?

This command retrieves the identification string of the instrument.
Type
Query only
Usage
*IDN?
Details
The identification string includes the manufacturer, model number, serial number, and firmware
revision of the instrument. The string is formatted as follows:
KEITHLEY INSTRUMENTS,MODEL nnnn,xxxxxxx,yyyyy
Where:
nnnn = The model number
xxxxxxx = The serial number
yyyyy = The firmware revision level
7-4
Model 2281S-20-6 DC Power Supply and Battery Simulator Reference Manual
Affected by
Not applicable
(on page D-1)
Affected by
None
Where saved
Not applicable
Query the contents of the Standard Event Status
Register (SESR).
Example output:
145
This output indicates that the SESR contains the binary
value 10010001.
Where saved
Not applicable
Default value
Not applicable
Default value
Not applicable
077114601 / March 2019