HP-IB
Status
The IEEE
488.2
standard provides
a
status byte for instrument status
reporting. This status byte may be accessed by using IEEE
488.2
Common Commands and SCPI Status Commands. The following figure
shows the status reporting structure for instrument operation.
The following examples will be used to explain instrument operation
status.
rn
External Modulation Input Status
rn
Reverse Power Protection Status
rn
Unspecified Power (Amplitude) Entry Status
General IEEE
488.2
status reporting will not be covered. The above
operating status will satisfy most needs for status reporting.
Reporting
POWer
Status
Register
NOTE:
Unmarked
tits
in
registers
do
not
apply
for
normal
operation
st~tus.
These
blts
mclrt
be
masked when
querying
status.
See
me
programming examples.
Reverse
Power
Unspecitled Amplitude
Ext.
Mod.
Level Hlgh
Ext
Mod.
Level Low
Unspecified
Devlce
Dependent
Em
Execdon
Em
Comnand
Error
status.dnv
Figure
2-1.
HP
8647A
Status
Register Model
2-8
HP-IB Programming