HP 54501A - Condition

CONDition
CONDition
command/query
The
:TRIGGER:CONDITION
command
is
valid in
the
PATTERN,
STATE,
DELAY,
and
TV
trigger
modes.
The
function
of
the
CONDITION
command
in
each of these
modes
is
described
below.
Time values
entered
using
this
command
are
rounded
to
the
nearest
10
ns.
In
the
Pattern Trigger Mode
the
valid
arguments
for
the
CONDITION
command
are
ENTER,
EXIT,
GT, LT,
RANGE.
In
the
Pattern
Trigger
Mode
the
CONDITION
command
is
used
to
specify
if
the
trigger
will
be
generated
upon
entry
to
the
specified
logic
pattern, upon
exiting
the
specified
logic
pattern, or
if
the
pattern must
be
present
for
a
specified
amount
of
time.
The
time
in
the
pattern
trigger
mode
can
be
specified
to
be
greater
than
a
value
(GT),
less
then
a
value
(LT),
or
between
two
values
(RANGE).
These
are
the
same
settings
that
are
specified
using
the
front
panel "when"
key
in
the
Pattern
Trigger
Mode.
In
the
State
Trigger
Mode
the
valid
parameters
for
the
CONDITION
command
are
TRUE
(is
present)
and
FALSE
(is
not
present).
In
the
Delay Trigger
Mode
the CONDITION
command
is
valid
when
PATTERN
or
STATE
is
selected
as
the
qualifier.
All
arguments
for
this
command
that
are
valid
in the
Pattern
or
State
Trigger
Modes
are
valid
here.
In
the
TV
Trigger
Mode
the CONDITION
command
is
used
to
set
the
range
of
time values
for
the
trigger
to
occur.
This
command
is
only
valid
in
the
"user
defined"
mode.
The
CONDITION
query
returns
the
currently
selected
condition,
for
the
currently
selected
mode.
HP
54501A
Programming
Trigger
Subsystem
16-13