User manual

Relay Multiplexer Command Reference 87Chapter 3
STATus:OPERation[:EVENt]?
STATus:OPERation[:EVENt]? returns which bits in the Event Register
(Operation Status Group) are set. The Event Register indicates when
there has been a time-related instrument event.
Comments Setting Bit 8 of the Operation Status Register: Bit 8 (scan complete) is set
to 1 after a scanning cycle completes. Bit 8 returns to 0 (zero) after
sending the STATus:OPERation[:EVENt]? command.
Returned Data after Sending STATus:OPERation[:EVENt]?: The command
returns “+256” if bit 8 of the Operation Status Register is set to 1. The
command returns “+0” if bit 8 of the Operation Status Register is set to 0.
Event Register Cleared: Reading the Event Register with the
STATus:OPERation:EVENt? command clears it.
Aborting a scan: Aborting a scan will leave bit 8 set to 0.
Related Commands: [ROUTe:]SCAN
Example Reading the Operation Status Register After a Scanning Cycle
STAT:OPER?
!Returns the bit values of the Standard
Operation Status Register
read the register value
!+256 shows bit 8 is set to 1 and +0

shows bit 8 is set to 0.
STATus:PRESet
STATus:PRESet affects only the Enable Register by setting all Enable
Register bits to 0. It does not affect either the "status byte" or the
"standard event status". PRESet does not clear any of the Event
Registers.