Omron ZEN Operation Manual page 99

Using Timers (T) and Holding Timers (#)
O: One-shot pulse timer
Trigger input
Reset input
Setting
Present
value
0
Timer bit
F: Flashing pulse timer
Trigger input
Reset input
Setting
Present
value
0
Timer bit
W: Twin timer
Trigger input
Reset input
ON time
OFF time
Present
value
0
Timer bit
Holding Timer Usage and Operation
X: ON delay timer only
Trigger input
Reset input
Setting
Present
value
0
Timer bit
Remains ON for a set interval when the trigger
input turns ON.
Basic Operation
Trigger input
Time
Output
Main Applications
Useful for fixed-quantity operation when
operation is always required for the same
period.
Turns ON and OFF repeatedly at set intervals
while the trigger input is ON.
Basic Operation
Trigger input
Time
Output
Main Applications
Useful as an alarm circuit for flashing
emergency lighting or buzzers.
Turns ON and OFF repeatedly at set intervals
while the trigger input is ON. The ON time and
OFF time can be set independently.
Basic Operation
Trigger input
OFF
time
Output
Main Applications
Convenient for intermittent operation, such as
that used for fans.
Turns ON after a set interval after the trigger
input has turned ON. The present value is held
while the trigger input is OFF.
Main applications
When operation is to be continued even during
momentary power interruptions and longer
power interruptions. Also used for time-lag
operation.
Section 3-6
Time
Time Time
ON OFF
ON
time time
time
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