HP Sander 16500C manual ESR Event Status Register, Standard Event Status Register

Common Commands

*ESR (Event Status Register)

Table 9-3 shows the Standard Event Status Register. The table details the meaning of each bit position in the Standard Event Status Register and the bit weight. When you read Standard Event Status Register, the value returned is the total bit weight of all the bits that are high at the time you read the byte.

Table 9-3		Standard Event Status Register
	Bit Position		Bit Weight	Bit Name	Condition
	7		128	PON	0	= register read - not in power up mode
					1	= power up
	6		64	URQ	0	= user request - not used - always zero
	5		32	CME	0	= no command errors
					1	= a command error has been detected
	4		16	EXE	0	= no execution errors
					1	= an execution error has been detected
	3		8	DDE	0	= no device dependent errors
					1	= a device dependent error has been detected
	2		4	QYE	0	= no query errors
					1	= a query error has been detected
	1		2	RQC	0	= request control - not used - always zero
	0		1	OPC	0	= operation is not complete
					1	= operation is complete

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