HP 34970A manual Dy g, Bit Definitions Standard Operation Register

Chapter 5 Remote Interface Reference

The SCPI Status System

i h dy g

The Standard Operation register group is used to report when the instrument is scanning. Any or all of these conditions can be reported to

the Standard Operation summary bit through the zvw ” . To set the enable register mask, you must write a decimal value to the register using the STATus:OPER:ENABle command.

Bit Definitions – Standard Operation Register

		Decimal
	Bit Number	Value	Definition
0	Not Used	1	Returns “0”.
1	Not Used	2	Returns “0”.
2	Not Used	4	Returns “0”.
3	Not Used	8	Returns “0”.
4	Scan in Progress	16	Instrument is scanning (SCAN annunciator is on).
5	Not Used	32	Returns “0”.
6	Not Used	64	Returns “0”.
7	Not Used	128	Returns “0”.
8	Configuration Change	256	Channel configuration was changed from the
			front panel. This bit is cleared when a new
9	Memory Threshold	512	scan is initiated.
			Programmed number of readings have been
10			stored in reading memory.
	Not Used	1024	Returns “0”.

15 Not Used 32768 Returns “0”.

The Standard Operation zz ”z is cleared when:

5

∙You execute the *CLS (clear status) command.

∙You query the event register using the STATus:OPER:EVENt? command.

The Standard Operation zvw ”z is cleared when:

∙You turn on the power (*PSC does not apply).

∙You execute the STATus:PRESet command.

∙You execute the STATus:OPER:ENABle 0 command.

285