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Appendix
A
A-5
Main Power Failure
When
power is restored,
the DPRSOO will continue
with the function
it had
before the failure,
using the output signal determined
by the setting
of
FCODE
20. With 3-state
pulse output, the actuator
feedback
must be
present
for this to operate.
If the controller
was in the Programming
mode,
performing
Autotuning
or
displaying
setpoint
in the digital display,
these functions
will not be
resumed
automatically
after a power failure.
If required,
they must be
selected
again.
All parameters
and functions
which were selected
during configuration
will
remain
stored
in memory.
On restart, the software
version
number
will be displayed
for about 3
seconds
in the digital
display.
May 1991
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