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Debugging an Application
SR2MAN01 11/2007 173
Safety Mode If the result of losing the time setting is to lock coil control, then simply use a clock
contact without a stop order in series with the action coils.
Example of a non-locked coil:
The contact line for coil Q1 will be active even if the time and date setting is lost.
Example of a locked coil:
With the clock function block 1 configured as follows:
The contact line for coil Q2 will only be active after setting the clock.
I1-I3----------[Q1
I2
I4-H1----------[Q2
H1 D/W 0123456
H:M ON --:--
H:M ON 07:00
A