IEEE-488 Common Commands
*ESE <enable_value>
*ESE?
Event Status Enable Command and Query. Enables bits in the enable register for the Standard Event Register group.
The selected bits are then reported to bit 5 of the Status Byte Register.
Parameter Typical
Return
Decimal sum of the bits in the register (table below), default 0. For example, to enable bit 2 (value
4), bit 3 (value 8), and bit 7 (value 128), the decimal sum would be 140 (4 + 8 + 128). Default 0.
+48
Enable bit 4 (value 16) and bit 5 (value 32) in the enable register:
*ESE 48
l Use *PSC to control whether the Standard Event enable register is cleared at power on. For example, *PSC 0 pre-
serves the enable register contents through power cycles.
l *CLS does not clear enable register, does clear event register.
*ESR?
Standard Event Status Register Query. Queries the event register for the Standard Event Register group. Register is
read-only; bits not cleared when read.
Parameter Typical Return
(none) +24
Read the event register (bits 3 and 4 are set).
*ESR
l Any or all conditions can be reported to the Standard Event summary bit through the enable register. To set the
enable register mask, write a decimal value to the register using *ESE.
l Once a bit is set, it remains set until cleared by this query or *CLS.
*IDN?
Identification Query. Returns instrument’s identification string.
Parameter Typical Return
(none) Agilent Technologies,33522B,XXXXXXXXXX,0.179-1.19-8.88-52-00
Return the instrument's identification string:
*IDN?
l Identification string contains four comma separated fields:
l Manufacturer name
l Model number
Agilent 33500 Series Operating and Service Guide 231
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