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Reference Manual

00809-0100-4811, Rev DA

Section 4: Basic Configuration/Start-Up

January 2015

Basic Configuration/Start-Up

This window also allows you to enter some general information about the transmitter, such as

Message, Tag, Descriptor, and Date. This information is not required for the operation of the

transmitter and can be left out if desired.

4.6.8 Setup - Output

The Output tab lets you assign up to four transmitter variables.

Typically, the PV is configured to be Product Level, Interface Level, or Volume.

Other variables like Product Distance, Interface Distance, Upper Product Thickness, etc. are

available as well.

For Rosemount 3301, the PV is typically set to be Level. If the transmitter is in the Immersed

Probe mode (see Measurement mode on page 71), the PV is normally set to Interface Level.

For Rosemount 3302, the PV is typically set to be Interface Level, but Level and other options can

also be used.

Set the Lower Range Value (4 mA) and the Upper Range Value (20 mA) to the desired values.

Keep in mind that the 20 mA value must be below the upper transition zone, and the 4 mA point

must be above the lower transition zone if you want to use the full 4-20 mA range within the

measuring range of the transmitter.

Make sure the 20 mA value is set below the Upper Null Zone (UNZ). (The UNZ parameter can be

used if there are measurement problems in the upper part of the tank, see Disturbances at the

top of the tank on page 102.) In the default configuration, the UNZ is equal to zero.

See Transition zones on page 16 for more information on upper and lower transition zones.

See Basic configuration on page 69 for more information on setting the Upper and Lower Range

values.

The default Damping value is 10. Normally this value does not need to be changed. The

Damping parameter may be changed if there are high filling rates, see High level rates on

page 98 for more information.

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Astar HT-3300 Spezifikationen Seite 90