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5.7.4. IEEE 488.2 Common Commands
These commands are required by the IEEE-488.2 standard with the exception of
*PSC, *PSC?. Most of these commands are not available over the RS-232 bus
except for the *IDN? command which can be used to retrieve the instrument
identification information, and the four status reporting commands *ESR?, *ESE,
*ESE? and *STB?
Associated Research Inc., Model
Number, Serial Number,
Firmware Revision
00H=OK
01H=TEST EEPROM ERROR
Clear Standard Event Status
Register
Clear Service Request Register
Operation Complete Command
When all selected pending
operations complete, ESR BIT0
= 1
When all selected pending
operations complete, Output
Queue = 1
Power-on Status Clear Command
1 = Power-on clear enable
registers
0 = Power-on load previous
enable registers
Power-on Status Clear Query
Standard Event Status Register
Query
Standard Event Status Enable
Command
Standard Event Status Enable
Query
Service Request Enable Command
Service Request Enable Query
*IDN?
Read the instrument identification string. Company = Associated Research Inc.
Note: serial number information is not stored in the instrument’s memory; a serial number of “0” will
be returned in the character string.