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Chapter 5. Functions
z
Example 2: Start operation by switching to RUN mode with an external switch, and stop operation
by automatically switching to READY mode 30 minutes after the set point is reached.
Set point
Time
30 min
Control ON Control OFF
z Explanation
Timer start condition: AND of the external switch (DI1) and the target temperature
(internal event 2: deviation high limit)
Timer ON delay time: the desired amount of time between the time when the set
point is reached and when operation stops automatically
The mode (RUN/READY) changes depending on the combination of the DI1 status
and timer ON/OFF.
Status Control OFF Operation started,
timer counting
Time elapsed,
operation stopped
DI1 OFF ON ON
Timer (internal EV2) OFF OFF ON
Internal contact 2
status
ON OFF ON
Mode READY RUN READY
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