HP E8402A, Руководство пользователя и обслуживания, Страница: 91 / 249

Programming the Enhanced Monitor 93
Chapter 3
STATus:OPERation:EVENt?
The STATus:OPERation:EVENt? query returns an integer representing the value of
the event register for the operation status group.
The event register latches positive transition events from the condition register. A
positive transition event will occur when a condition makes a transition from a low
to a high state. Bits in the event register are latched, and once set, they remain set
until cleared by a
STATus:OPERation:EVENt? query or *CLS (clear status). There
is no buffering; so while an event bit is set, subsequent events corresponding to that
bit are ignored. Event registers are read only.
Events are queried in order to determine if transitions have occurred since the last
query. They do not indicate the current state (condition) of a particular event. Nor do
they indicate how many times a transition has occurred.
Returned Data
Comments
•
Refer to
STATus:OPERation:CONDition?
for a description of each bit in the
OPERation status group.
•
Cleared by: *CLS, power-on, and by reading the register.
Reset Condition
*RST does not affect the status system, use *CLS to clear all event registers.
Related
Commands
STATus:OPERation:CONDition?, STATus:OPERation:ENABle,*CLS
Type Range Default Description
int16 0 - 32767 none Bit mask indicating which events are set (1) or cleared (0) for
the OPERation status group. Each event has a decimal
weighted value.