56
7
EXPLANATION OF HOLD FUNCTIONS
56
EXPLANATION OF HOLD FUNCTIONS
Chapter
7
■
Sample hold
The start point of the specified section is held.
The section is specified by the setting of "all section" or "external signal."
(Example) All section sample hold
t1: A delay time between the instant
when the T/H signal is inputted and
the instant when the indicated
value
is held
Approximately 1.0ms (MAX.)
t2: A delay time between the instant
when the T/H signal is released and
the instant when the indicated
value
returns to tracking
Approximately 1.0ms (MAX.)
t3: A minimum reset signal width
required for releasing the hold
Approximately 1.0ms (MIN.)
■
Peak hold
The maximum value in the positive direction (peak value) of the specified section is held.
The section is specified by the setting of "all section", "external signal", "external time", or
"level+time".
(Example) Externally specified section peak hold
t1: A delay time between the instant
when the SECTION signal is
inputted and the instant when the
value to be held is detected
Approximately 1.0ms (MAX.)
t2: A delay time between the instant
when the SECTION signal is
released and the instant when the
value to be held is determined
Approximately 1.0ms (MAX.)
t3: A minimum reset signal width
required for releasing the hold
Approximately 1.0ms (MIN.)
Indicated
t2
t3
t1
Sensor input value
Hold section
Fixed
t
+
T/H
HI-LO Limit
Judging Output
H/E
OFF
ON
OFF
ON
OFF
ON
HOLD
OFF
ON
Button
HOLD
Status Display
ON
Blink
Blink
value
Indicated value
t3
Sensor input value
Detection
t
+
T/H
HI-LO Limit
Judging Output
H/E
Hold section
t2
t1
Fixed
SECTION
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
Blink
OFF
ON
OFF
HOLD
Button
HOLD
Status Display
Summary of Contents for TM380
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