Keysight U2741A, Programmer'S Reference Manual

Page: 146 / 169

11 IEEE Common Commands
146 Keysight U2741A Programmer’s Reference Guide
*ESR?
Syntax
*ESR?
This query returns the value of the event register of the Standard Event group as a
decimal value that corresponds to the binary-weighted sum of all bits set in the
register.
Parameter
Remarks
– Once a bit is set, it will remain set until cleared by reading the event register or
the clear status (
*CLS
) command.
– For more information on the Standard Event registers, refer to Chapter 2,
“SCPI Status Registers” on page 19.
Example
*ESE 16
//This command enables bit 4 (decimal
value = 16) in the enable register
*ESR?
//The query will return the bits enabled
in the register
Typical Response:
+16
Item Type Range of values Default value
value Numeric 0 to 65535 0