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LT4H/-L
Operation type
• Set the operation mode
section of the DIP switches
(no.'s 1, 2, and 3) on the
side of the timer as shown.
• Clears elapsed time value at power ON.
• Time delay starts and output control ON at
start ON.
• Turns output control OFF and clears elapsed
Pulse One-shot
time value at time-up.
D
• Ignores start input during time delay.
• Stops delay time operation at stop ON.
Restarts delay time operation at stop OFF.
• In order to have the time delay start at power
ON or reset at power OFF, short out the start
input beforehand.
• Set the operation mode
section of the DIP switches
(no.'s 1, 2, and 3) on the
side of the timer as shown.
• Clears elapsed time value at power ON.
• Time delay starts at start ON.
• Ignores start input during time delay.
• Stops delay time operation at stop ON.
Pulse On delay
Restarts delay time operation at stop OFF.
E
• In order to have the time delay start at power
ON or reset at power OFF, short out the start
input beforehand.
• Set the operation mode
section of the DIP switches
(no.'s 1, 2, and 3) on the
side of the timer as shown.
• Clears elapsed time value at power ON.
• Time delay starts at start ON.
• Ignores start input during time delay.
• Output control reverses, elapsed time value
Signal Flicker
clears, and timer delay starts at timer comple-
F
tion.
• Stops delay time operation at stop ON.
Restarts delay time operation at stop OFF.
• In order to have the time delay start at power
ON or reset at power OFF, short out the start
input beforehand.
• Set the operation mode
section of the DIP switches
(no.'s 1, 2, and 3) on the
side of the timer as shown.
• Elapsed time value does not clear at power
ON. (power outage countermeasure function)
Totalizing On delay
• The output remains ON even after the power
G
is off and restarted.
• Stops delay time operation at stop ON.
Restarts delay time operation at stop OFF.
Notes: 1) Each signal input (start, reset, stop, and lock) is applied by shorting their input terminal to the common terminal (terminal Q for the 8-pin type, terminal E for
the 11-pin type, and terminal
2) The 8-pin type does not have a stop input or lock input.
Explanation
1
2
ON
ON
1
2
OFF OFF
1
2
ON
OFF
1
2
OFF
ON
for the screw terminal type).
6
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3
OFF
ON
Power supply
OFF
ON
Output
OFF
ON
Reset
OFF
ON
Stop
OFF
ON
Start
OFF
3
ON
ON
Power supply
OFF
ON
Output
OFF
T
ON
Reset
OFF
ON
Stop
OFF
ON
Start
OFF
3
ON
ON
Power supply
OFF
ON
Output
OFF
T
ON
Reset
OFF
ON
Stop
OFF
ON
Start
OFF
3
ON
ON
Power supply
OFF
ON
Output
OFF
T
ON
Reset
OFF
ON
Stop
OFF
ON
Start
OFF
T: Set time t1, t2, t3, ta<T
Time chart
T>ta
t1
T
T
ta
T=t1+t2
t1
t2
T=t1+t2
T>ta
T
t1
t2
ta
T=t1+t2+t3
t1
t2
t3
T=t1+t2
t2
t
T
T
T=t1+t2
T
t1
t2
T>ta
ta
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