HP 54501A - Page 217

COMPare
Query
Syntax:
:MEASure:COMPare?
<
measurement
>
Where:
<
measurement
>
:;=
{RISetime
|
FALLtime
|
FREQuency
|
PERiod
|
PWIDth
|
NWIDth
|
VAMPIitude
|
VBASe
|
VTOP
|
VPP
|
VAVerage
|
VMAX
|
VMIN
|
VRMS
|
DUTycycle
|
DELAY}
Returned
Format:
[:MEASure:COMPare] <
measurement
>,
<upperjmit>,
<lower_limit>
<NL>
Example:
DIM
Cmp$[50]
OUTPUT 707;"MEASure:COMPare?
VPP"
ENTER
707;
Cmp$
PRINT
Cmp$
For
example,
the
sequence
required
to
do
a
limit
test
on
frequency
is:
OUTPUT
707;":MEASURE:FREO" !Select
measurement
OUTPUT 707;":MEASURE:COMPARE FREO,1000HZ,10HZ"
'Set
measurement
limits
OUTPUT 707;":MEASURE:LlMITTEST
MEASURE"
"Start
test
Note
The
only
way
to see
if
a
limit
test
failure
has
occurred
over
the
bus
is
by
checking if bit
3
of the
status
byte
is
set
to
a 1.
HP
54501A
Programming
Measure
Subsystem
14-13