Operation
6.4.3
Valley
Hold
The
output
signal
follows
the
object
temperature
until
a
minimum
is
found.
Once
the
hold
time
is
exceeded
the
output
signal,
tracks
and
output
the
actual
object
temperature
and
the
algorithm
will
start
over
again.
The
range
for
the
hold
time
is
0.1
to
998.9
s.
Temp
output temperature
object temperature
hold time
hold time
Time
Figure
27:
Valley
Hold
A
defined
hold
time
of
999
s
(symbol
“
∞
”
in
the
display)
will
put
the
device
into
continuous
valley
detection
mode.
A
low
level
input
(GND)
at
external
input
FTC3
will
promptly
interrupt
the
hold
time
and
will
start
the
minimum
detection
again.
MID
41
