Instruction manual

Chapter 2 Command Summary
Agilent 53150A/151A/152A Command Summary
2-10 Programming Guide
2
Table 2-1. IEEE 488.2 Common Commands
Mnemonic Command Name Function
*CLS Clear Status Clears all event status registers summarized in the
status byte and empties the Error Queue.
*DDT <arbitrary block> Define Device Trigger
Command
Defines which command is executed when the
Counter receives a GET or *TRG command.
*DDT? Define Device Trigger
Query
Queries which command is executed when the
Counter receives a GET or *TRG command.
*ESE <NRf> Standard Event
Status Enable
Sets the Standard Event Status Enable Register.
*ESE? Standard Event
Status
Enable Query
Queries the Standard Event Status Enable Register.
*ESR? Event Status Register
Query
Queries and then clears the Standard Event Status
Register.
*IDN? Identification Query Queries the Counter identification.
*IST? Instrument Status
Query
Queries the current state of the parallel poll
response (Instrument Status).
*OPC Operation Complete Causes Counter to set the operation complete bit in
the Standard Event Status Register when all
pending operations (see Note at the end of table) are
finished.
*OPC? Operation Complete
Query
Places an ASCII "1" in the Output Queue when all
pending operations (see Note at the end of table) are
completed.
*PRE <NRf> Parallel Poll Enable
Register
Sets the value of the Parallel Poll Enable register.
*PRE? Parallel Poll Enable
Register Query
Queries the value of the Parallel Poll Enable register.
*RCL <NRf> Recall Restores the state of the Counter’s user settings
from a copy stored in local non-volatile memory (0
through 9 are valid memory registers).
*RST Reset Resets the Counter to a known state, as defined in
this manual.
*SAV <NRf> Save Stores the current state of the Counter’s user
settings in local non-volatile memory (0 through 9
are valid memory registers).
*SRE <NRf> Service Request
Enable
Sets the Service Request Enable register.