VXI VM4016 user manual Sre

VXI Technology, Inc.

	*SRE
Purpose	Sets the service request enable register
Type	IEEE 488.2 Common Command
Command Syntax	*SRE <mask>
Command Parameters	<mask> = Numeric ASCII value from 0 to 255
*RST Value	None – Required Parameter
Query Syntax	*SRE?
Query Parameters	N/A
Query Response	Numeric ASCII value from 0 to 255
Description	The Service Request Enable (SRE) mask is used to control which bits in the status
	byte generate back plane interrupts. If a bit is set in the mask that newly enables a
	bit set in the status byte and interrupts are enabled, the module will generate a
	REQUEST TRUE event via an interrupt. See the *STB? Command for the layout of
	bits.
	Note:
	Bit 6 is always internally cleared to zero as required by IEEE 488.2 section 11.3.2.3.
	The layout of the Service Request Enable Register is:
	Bit 0 – Unused
	Bit 1 – Unused
	Bit 2 – Error Queue Has Data
	Bit 3 – Questionable Status Summary (Not Used)
	Bit 4 – Message Available
	Bit 5 – Event Status Summary
	Bit 6 – 0 (per IEEE 488.2 section 11.3.2.3)
	Bit 7 – Operation Status Summary
Examples	Command / Query	Response (Description)
	*SRE 4	(Sets the service request enable register)
	*SRE?	4 (Returns the value of the SRE register)
Related Commands	N/A

58 VM4016 Command Dictionary