Factory Defaults
When first installing the Ultra Twin, or subsequently moving or
using the unit on a new application, before proceeding to program
the unit for its intended application it is recommended that you
ensure that all parameters are at their default values by completing a
Factory Defaults P*930, as described in the relevant unit type
parameter guide.
When you first switch the Ultra Twin on, it will be reading the distance
from the face of the transducer to the surface. It will be indicating in feet, as
shown on the display. All relays are set OFF.
The date (P*931) and time (P*932) in the Ultra Twin were set at the
factory, but may need checking, and amending if, for example the
application is in a time zone other than GMT, see relevant unit Parameter
listing for full details.
TIP
In some applications it is simplest to empty the
vessel, take a reading from the Ultra Twin for
distance and then setup the empty level to this
figure.
Once you are satisfied with the installation, and the Ultra Twin is reading
what you would expect in terms of distance from the face of the transducer
to the material level, then you can proceed with programming, for the
intended application. It is sensible to program all of the required parameters
at the same time. The system will be then set-up.
Note that the span is automatically calculated from the empty level, so the
empty level should be entered first.
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