Agilent Technologies HP 16500B Manual page 106

Table 8-2 Standard Event Status Enable Register
Bit Position
7
6
5
4
3
2
1
0
*ESR (Event Status Register)
Query
*ESR?
The *ESR query returns the contents of the Standard Event Status Register.
Reading the register clears the Standard Event Status Register.
Returned Format
<status><NL>
An integer from 0 to 255
<status>
Example If a command error has occurred, and bit 5 of the ESE register is set, the
string variable Esr_event$ will have bit 5 (the CME bit) set.
10 OUTPUT XXX;"*ESE 32
20 OUTPUT XXX;"*ESR?"
30 ENTER XXX; Esr_event$
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Bit Weight Enables
128 PON - Power On
64 URQ - User Request
32 CME - Command Error
16 EXE - Execution Error
8 DDE - Device Dependent Error
4 QYE - Query Error
2 RQC - Request Control
1 OPC - Operation Complete
!Enables bit 5 of the status register
!Queries the status register
!Reads the query buffer
Common Commands
*ESR (Event Status Register)
8–7