HP ESA-E Series Programmer's Manual page 43

Bit Number
Standard Event Status Register
Bit Description
0 A 1 in this bit position indicates that all pending operations were completed following
execution of the *OPC command.
1
This bit is always set to 0. (The
2 A 1 in this bit position indicates that a query error has occurred. Query errors have SCPI
error numbers from −499 to –400.
3 A 1 in this bit position indicates that a device dependent error has occurred. Device
dependent errors have SCPI error numbers from –399 to –300 and 1 to 32767.
4 A 1 in this bit position indicates that an execution error has occurred. Execution errors
have SCPI error numbers from –299 to –200.
5 A 1 in this bit position indicates that a command error has occurred. Command errors
have SCPI error numbers from –199 to –100.
6 A 1 in this bit position indicates that the
analyzer
the is in local lockout mode.
7
A 1 in this bit position indicates that the
To query the Standard Event Status Register, send the command
*ESR?. The response will be the decimal sum of the bits which are set
to 1. For example, if bit number 7 and bit number 3 are set to 1, the
decimal sum of the 2 bits is 128 plus 8. So the decimal value 136 is
Chapter 2
7
6 5 4
*ESR?
analyzer
Using the Analyzer Status Registers
2 1
3
does not request control.)
key has been pressed. This is true even if
LOCAL
analyzer
has been turned off and then on.
HP ESA Status Registers
0
ck765a
2-13