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7-5 Instructions of Command Sets
7-5-1 IEEE 488.2 Common Commands
*CLS
Description : Clear the Standard Event Status Register, Operation Event Status Register,
Questionable Data Event Status Register and the Error Queue.
*ESE <NRf>
Description : Set the Standard Event Status Enable Register.
Parameter : <NRf> (0 to 255).
Example : *ESE 140; Enable bits 2 (QYE), 3 (DDE), and 7 (PON), and disable all the
other bits.
*ESE?
Description : Query the Standard Event Status Enable Register.
Response : (Integer) Decimal equivalent of the register byte. Range is 0 to 255.
*ESR?
Description : Query the Standard Event Status Enable Register and clears the register.
Response : (Integer) Decimal equivalent of the register byte.
Example : *ESR? ; Return: ‘32’if bit 5 (CME) is set (1) and the rest of the bits are reset
(0).
*IDN?
Description : Query the Meter identification.
Response : Return the following information : Model, and Firmware version.
*OPC
Description : Set the Operation Complete bit in the Standard Event Status Register
when all pending device operations are complete.