Esr? -7, Idn? -7, Boonton 4500b rf peak power analyzer – Boonton 4500B Peak Power Meter User Manual
Page 207: Remote operation
Boonton 4500B RF Peak Power Analyzer
Remote Operation
5-7
*ESR?
Description:
Return the current value of the Standard Event Status Register, then clear the register. This register
has bits assigned to a number of possible events or conditions of the instrument. When the event
occurs, the corresponding bit is latched. The register value is read using this command. Individual
bits may be enabled or disabled for SRQ generation using the ESE mask (see *ESE command).
The following table shows the bit assignments in the Standard Event Status Register:
Bit Value
Definition
0
1
Operation Complete flag 1 = all current operations have completed execution.
1
2
Not used
always returns 0
2
4
Not used
always returns 0
3
8
Device Dependent Error
1 = the instrument encountered a device dependent error.
4
16
Not used
always returns 0
5
32
Command Error
1 = a remote interface command error exists.
6
64
User Request
1 = user pressed Util > Remote > GPIB > Set SRQ menu button
7
128
Not used
always returns 0
Syntax:
*ESR?
Returns:
Current Value of Event Status Register (0 to 255)
Valid Modes:
Any
*IDN?
Description:
Return the instrument identification string. This string contains the manufacturer, model number,
serial number and firmware version number.
Syntax:
*IDN?
Returns:
< Mfgr, Model#, Serial#, Version# >
Valid Modes:
Any