NAiS LT4H-L, Manual, Page: 5 / 12

onlinecomponents.com
5
LT4H-L
Operation mode T: Set time t1, t2, t3, ta<T
Operation type
Power on delay (1)
Explanation Time chart
• 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 and starts time
delay at power ON.
• After timer completion, stops at the display of
the set value (addition), or stops at “0” (sub-
traction).
• Ignores start input.
A
Power on delay (2)
A2
Signal on delay
B
Signal off delay
C
T T
ON
OFF
ON
OFF
ON
OFF
Reset
Output
Power
supply
T T
ON
OFF
ON
OFF
ON
OFF
Reset
Output
Power
supply
T T
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Start
Reset
Output
Power
supply
T>t1 T>t2
t2 t1 T
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Start
Reset
Output
Power
supply
1 2 3
ON ON ON
• 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 func-
tion)
• The output remains ON even after the power
is cut and restarted.
• After timer completion, stops at the display of
the set value (addition), or stops at “0” (sub-
traction).
• Ignores start input.
1 2 3
OFF OFF OFF
• 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 and elapsed
time value or output resets at start OFF.
• Instantaneous time delay start at reset OFF
and power ON while start is ON.
• In order to have the time delay start at power
ON or reset at power OFF, short out the start
input beforehand.
1 2 3
ON OFF OFF
• 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.
• Output control ON at start ON and time delay
start at start OFF.
• Elapsed time value clears when start goes ON
again during time delay.
1 2 3
OFF ON OFF
Note: Each signal input (start and reset) is applied by shorting their input terminal to the common terminal Q .
LT4HL 02.1.9 6:25 PM Page 5